Relevant bibliographies by topics / Lightweight building materials

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Lightweight building materials'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "Lightweight building materials"

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Sarmin, Siti Noorbaini. "Lightweight Building Materials of Geopolymer Reinforced Wood Particles Aggregate – A Review." Applied Mechanics and Materials 802 (October 2015): 220–24. http://dx.doi.org/10.4028/www.scientific.net/amm.802.220.

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Lightweight constructions materials provide better thermal insulations properties for buildings. Using lightweight’s aggregates, such like wood particles is one of the most common ways for making lightweight building materials. The low cost and availability of wood particles made it the best ultimate materials preference in production of composites construction materials. Geopolymer, the alkali-activation cement-based materials have been proven can be used to produce lightweight materials. In additional, geopolymer possess excellent mechanical properties and significant reduction in CO2 emissions compare to ordinary Portland cement. The use of environmentally friendly building construction materials has become increasingly important. This paper presents a review on producing lightweight building materials from geopolymer with wood particles as an aggregate.
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Cavalline, Tara L., Jorge Gallegos, Reid W. Castrodale, Charles Freeman, Jerry Liner, and Jody Wall. "Influence of Lightweight Aggregate Concrete Materials on Building Energy Performance." Buildings 11, no. 3 (March 3, 2021): 94. http://dx.doi.org/10.3390/buildings11030094.

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Due to their porous nature, lightweight aggregates have been shown to exhibit thermal properties that are advantageous when used in building materials such as lightweight concrete, grout, mortar, and concrete masonry units. Limited data exist on the thermal properties of materials that incorporate lightweight aggregate where the pore system has not been altered, and very few studies have been performed to quantify the building energy performance of structures constructed using lightweight building materials in commonly utilized structural and building envelope components. In this study, several lightweight concrete and masonry building materials were tested to determine the thermal properties of the bulk materials, providing more accurate inputs to building energy simulation than have previously been used. These properties were used in EnergyPlus building energy simulation models for several types of commercial structures for which materials containing lightweight aggregates are an alternative commonly considered for economic and aesthetic reasons. In a simple model, use of sand lightweight concrete resulted in prediction of 15–17% heating energy savings and 10% cooling energy savings, while use of all lightweight concrete resulted in prediction of approximately 35–40% heating energy savings and 30% cooling energy savings. In more complex EnergyPlus reference models, results indicated superior thermal performance of lightweight aggregate building materials in 48 of 50 building energy simulations. Predicted energy savings for the five models ranged from 0.2% to 6.4%.
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Zhang, Chao, Jie Wan, and Zhen Hua Wang. "New Applications of Glass Materials in Buildings." Applied Mechanics and Materials 204-208 (October 2012): 3859–62. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.3859.

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With the development of economy, architectural form constantly update and development. High-rise buildings, long-span buildings, and Giant buildings are constantly emerging. Building function becomes more and more complicated and diverse. Furthermore, people's aesthetic requirement continues to improve, which makes the glass more and more widely used in public building. Because it is lightweight and transparent, glass has received more and more architect's favor in the modern architecture design.
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Hilmy, Mochamad, and Dewi Ria Indriana. "Pembayangan Mandiri pada Material Bata Ringan di Iklim Tropis." EMARA: Indonesian Journal of Architecture 4, no. 1 (August 7, 2018): 13–20. http://dx.doi.org/10.29080/emara.v4i1.222.

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The purpose of this study was to obtained recommendations on the use of innovative building materials from the development of existing lightweight concrete designs, to decrease the building interior temperature. The research used an engineering experimental method on lightweight concrete as material tested. A profile was attached on the outer side of lightweight concrete in order to formed a shadowed effect and expected to make the building indoor temperature go lower. The result indicated that the shadows shaped by profile attached on the outer side of lightweight concrete not fully effectively in decreasing building indoor temperature. The lightweight concrete thickness affected the velocity of solar thermal radiation impact movement that goes into the buildings interior. The formation of profiles on lightweight concrete surfaces can be decrease the room temperature in at least more than 2°C. The shading was more effective if the profile form in vertical formation. The research output was a lightweight concrete prototype that was able to contribute to decrease the building indoor temperature.
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Yaşar, E., and Y. Erdoğan. "Strength and thermal conductivity in lightweight building materials." Bulletin of Engineering Geology and the Environment 67, no. 4 (August 23, 2008): 513–19. http://dx.doi.org/10.1007/s10064-008-0166-x.

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Takács, Lajos Gábor. "Fire Protection Aspects of Low-Energy Buildings." Advanced Materials Research 899 (February 2014): 543–51. http://dx.doi.org/10.4028/www.scientific.net/amr.899.543.

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Structures of low energy buildings and passive houses are different from traditional buildings: thick thermal insulations often made of combustible materials -, lightweight skeleton frame loadbearing structures, timber frame constructions are common. Based on laboratory tests of lightweight building products, building structure design principles and the first fire events in passive houses, this article summarizes the main fire protection problems of passive house structures and gives recommendations for appropriate construction of these houses in fire protection aspects.
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Yang, Yan Min, and Hao Zhang. "Experimental Study on Flexural Behaviors of All-Lightweight Aggregate Concrete Beams and Slabs." Key Engineering Materials 517 (June 2012): 398–402. http://dx.doi.org/10.4028/www.scientific.net/kem.517.398.

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The use of lightweight and energy saving materials is the main trend of modern building and construction technology. All-lightweight aggregate concrete, which is a new type of lightweight aggregate concrete, not only has all the advantages of light weight concrete but also a lower apparent density of 600kg/m3. At present, the commonly-used energy-saving organic insulation materials include the EPS insulation and polyurethane insulation. The paper presents a new type of all-lightweight inorganic aggregate concrete by replacing organic material, in order to obtain a lightweight, energy-efficient building structure which synthesizes the load-bearing capacity, lightweight and energy-saving. Tests on the flexural behaviors of 11 all-lightweight aggregate concrete beams and 6 slabs were conducted. The effects of steel reinforcement ratio and loading distribution on the flexural and shear behaviors and method to calculate the load carrying capacity were carried out. The feasibility of application of all-lightweight aggregate concrete on multi-story buildings and to replace common reinforced concrete members in bending was discussed. The experimental study in the paper can provide a basis of the lightweight and energy-saving multi-story structure.
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Tsaousi, G. M., L. Profitis, I. Douni, E. Chatzitheodorides, and D. Panias. "Development of lightweight insulating building materials from perlite wastes." Materiales de Construcción 69, no. 333 (January 22, 2019): 175. http://dx.doi.org/10.3989/mc.20198.12517.

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This paper investigates the development of geopolymer foam boards, using perlite wastes as raw material. This type of lightweight materials combines the geopolymerization technology with the foaming process. The mechanism of foaming is based on the generation of a gas that is retained by the geopolymer matrix in the form of individual or interconnected voids. In this study, the inorganic foaming agent is hydrogen peroxide (H2O2), which is added into the initial paste in different quantities by mechanical stirring. The produced porous materials have effective densities between 408–476.5 kg/m3, thermal conductivities between 0.076–0.095 W/m.K and different type of microstructure, depending on the concentration of the activator and the foaming agent content. To assess the porosity and the size distribution of the voids, image processing techniques were applied on digital images of the samples. According to these results, the synthesized lightweight materials exhibit similar or even better thermal properties than the current concrete porous materials.
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Boháčová, Jana, Stanislav Staněk, and Pavel Mec. "Thermal Insulating Alkali-Activated Materials with Lightweight Aggregate." Advanced Materials Research 897 (February 2014): 69–72. http://dx.doi.org/10.4028/www.scientific.net/amr.897.69.

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The paper deals with laboratory research and development of alkali activated system with thermal insulating properties where low density materials are used. The experiment is focused on strength and heat conductivity of prepared substances. In research five kinds of mixtures were prepared. The values of compressive strength and thermal conductivity of tested admixtures qualitatively correspond to commercially available building material. Results are foundations for next lightweight alkali activated system development and research focused on practical application in building industry.
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Tůmová, Eva, and Rostislav Drochytka. "Development of Flooring Materials with Cellular Waste." Advanced Materials Research 688 (May 2013): 172–75. http://dx.doi.org/10.4028/www.scientific.net/amr.688.172.

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In the development of floor structures new building materials, additives, fillers and secondary raw materials of various properties are increasingly used. It is possible to develop new types of materials with different mechanical properties. Lightweight construction materials are the essential element for industrial floors lightening and thereby for reduce of their weight. This is especially beneficial for multi-storey buildings.
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Dissertations / Theses on the topic "Lightweight building materials"

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Okeyinka, Oriyomi M. "The applicability of recycled waste paper as lightweight building materials." Thesis, University of Wolverhampton, 2016. http://hdl.handle.net/2436/620495.

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In this era of increasing standard of living and rapid growth of civil engineering construction, environmental issues pertaining to natural resources depletion, global warming, energy crisis, waste pollution and greenhouse gas emission have been major issues of concern throughout the world and most especially in the construction industry. This research was conducted to investigate the applicability of recycled wastepaper as lightweight building materials with focus on contributing to sustainability in the creation of the built environment. The major aim was to develop an eco-friendly lightweight non-loadbearing block from recycled wastepaper without the use of cement as binder. This study specifically addressed the drawback of low strength development that usually occur with increasing wastepaper content in the existing cement-based-wastepaper blocks. It also indirectly addresses; the environmental impacts associated with the construction industry (including; high consumption of natural resources, greenhouse gas emission, high energy consumption and so on), the environmental pollution resulting from unsustainable waste generation, and the generic drawback of high water absorption that plagues wastepaper-based blocks. To achieve this, research methods including; laboratory experimentation and simulation modelling were employed. The research outcome is an eco-friendly block unit designated as Cement-less Wastepaper-based Lightweight Block (CWLB) which contains 75% waste content and exhibiting properties that satisfy the requirements for application as non-loadbearing lightweight blocks in building construction. CWLB displayed compressive strength that far outweighs those recorded for the existing cement-based wastepaper blocks available in the literature. The properties recorded for the optimal CWLB includes; 2.71 MPa average compressive strength, 901.5 kg/m3 average density, 0.19 W/m.k thermal conductivity, 989.9 m/s ultrasonic pulse velocity, 0.0026 g/m2.S0.5 average coefficient of capillary water absorption and 883.38 MPa estimated elastic modulus. The approximate compressive strength of 2.38 MPa and 1.58 MPa were respectively predicted and recorded for the solid and hollow finite element model samples of CWLB. The impressive satisfactory properties of CWLB for the intended application and its eco-friendliness in terms of natural resources conservation and improved compressive strength suggests that CWLB shall indeed serve as a more sustainable alternative to the reigning/existing cement-based-wastepaper blocks and to the conventional masonry blocks of the same category. Amongst other things, future work will address the validation of the approximate compressive strength predicted for the solid and hollow CWLB insitu samples in order to take further the subject matter.
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Dimitriadou, Eleni Anastasia. "Experimental assessment and thermal characterisation of lightweight co-polymer building envelope materials." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675716.

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Co-polymer facade materials have recently become a popular option in the building industry as an alternative to glazing. Ethylene Tetra-Fluoro-Ethylene (ETFE) foil has been successfully used in many projects as an innovative solution to energy-conscious design challenges. In addition, the use of ETFE membrane has resulted in significant savings in cost and structural support requirements, compared with conventional glazing, due to its low weight. There is a lack of detailed published data reporting its thermal behaviour. This study focuses on the examination of heat transfer through the ETFE membrane, and more specifically heat loss and solar gains. The document examines the impact of the material on the energy use of a building, as well as thermal comfort and interior conditions. Through field-testing and computer simulations the research evaluates the material’s thermal properties to obtain results that will assist in estimating the suitability of ETFE foil use in comparison to glass. Field-testing is used to perform a comparison of the thermal and energy behaviour of a fritted double ETFE cushion to a double glazed cover. The two experimental devices under examination present nearly identical energy consumption due to heating requirements. The experimental findings are implemented in Integrated Environmental Solutions (IES) and used to identify the necessary steps to accurately reproduce the thermal and energy behaviour associated with both covering materials. Further simulations were undertaken to provide a comparison of several types of ETFE cushions to various types of double glass. More specifically, the types examined are a clear double ETFE roof cover and a fritted double ETFE roof cover in comparison to a standard double glazed roof and a low-E double glazed roof. The roofs covers are examined in relation to energy requirements for both the heating and cooling of a space. Such an assessment of performance will provide information for further investigation to improve the material’s features and optimise energy performance.
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Edwards, Derek Oswald. "An investigation into possible means of increasing the strength of lightweight high strength concrete." Thesis, [Hong Kong] : University of Hong Kong, 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1331161X.

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Angelin, Andressa Fernanda 1989. "Concreto leve estrutural : desempenhos físicos, térmicos, mecânicos e microestruturais." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/267702.

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Orientadores: Luísa Andréia Gachet Barbosa, Rosa Cristina Cecche Lintz
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Tecnologia
Made available in DSpace on 2018-08-24T22:32:15Z (GMT). No. of bitstreams: 1 Angelin_AndressaFernanda_M.pdf: 3316470 bytes, checksum: e0844bd6dbe8b1d62eefa5eec0498b83 (MD5) Previous issue date: 2014
Resumo: A busca por materiais alternativos, de baixa massa específica, que possua redução na transferência de propagação de calor, associado à facilidade de manuseio e aplicação em concretos estruturais e estruturas de vedação, representa grande desafio na formulação e conhecimento do desempenho dos concretos leves. O concreto leve possui tecnologia pouco difundida em nível nacional e surge no cenário atual como um material inovador e alternativo ao concreto convencional. Frente ao exposto, este trabalho estudou concretos leves estruturais elaborados com duas graduações distintas de argila expandida e, com a finalidade de promover à manutenção das propriedades mecânicas, adicionou-se aditivo superplastificante e sílica ativa. Desenvolveu-se cinco traços distintos, que apresentaram reologia adequada, sem apresentar fenômenos de segregação e exsudação. Estudou-se algumas propriedades físicas, como índice e perda de consistência, absorção de água e massa específica do estado fresco e endurecido, os quais apresentaram uma média de 2000 kg/m3, classificando os concretos, de acordo com o ACI 213R-03 (2003), como leves. As principais propriedades mecânicas analisadas foram, resistência à compressão, apresentando, em média, 40 MPa, valor acima do mínimo prescrito pela ABNT NBR 6118:2007, para concretos estruturais, além da resistência à tração e módulo de elasticidade, as quais serviram como fundamentação na qualificação dos concretos leves estruturais, visando às exigências técnicas nacionais e internacionais para sua classificação e uso. Também foram realizados ensaios de condutividade térmica, por meio do método da placa quente protegida ("Hot Plate"), os quais apresentaram bons resultados, mostrando-se adequados no quesito desempenho térmico, de acordo com a revisão bibliográfica, bem como, com a norma nacional de desempenho térmico (ABNT NBR 15220:2005). Foram obtidas informações microestruturais sobre a zona de transição entre os agregados, convencionais e leves, e sua matriz de cimento. Foram realizadas comparações entre a massa específica seca e a resistência à compressão, assim como, comparações entre a massa específica seca e o módulo de elasticidade, sendo que tais resultados comprovam a possibilidade da utilização do concreto leve em elementos estruturais. Sugere-se, então, utilizar este concreto em painéis de vedação, pois associa-se a baixa massa específica, o conforto térmico e a resistência mecânica
Abstract: The search for alternative materials, low density, having reduced transfer of heat propagation, combined with ease of handling and application in structural concrete and seal structures, constituting a major challenge in the design and understanding of the performance of lightweight concrete. The lightweight concrete technology has little known at the national level and in the current scenario emerges as an innovative and alternative material to conventional concrete. Based on these, this paper studied structural lightweight concrete made with two different grades of expanded clay, and with the purpose of promoting the maintenance of the mechanical properties was added superplasticizer and silica fume. Developed five distinct traits, which showed adequate rheology, without presenting phenomena of segregation and oozing. We studied some physical properties, such as loss of consistency index, water absorption and density of fresh and hardened, which had an average 2000 kg/m3, classifying the concrete according to ACI 213R-03 (2003), as light. The main mechanical properties were analyzed, compressive strength, with an average of 40 MPa, above the minimum prescribed by ABNT NBR 6118:2007, structural concrete, beyond the tensile strength and modulus of elasticity, which served as the basis the qualification of structural lightweight concrete, aimed at national and international technical requirements for classification and use. Thermal conductivity tests were also carried out by means of the hot plate protected ("Hot Plate") method, which showed excellent results, proving to be adequate thermal performance in the category, according to the literature review, as well as with the national standard for thermal performance (ABNT NBR 15220:2005). Microstructural information on the transition zone between aggregates, conventional and light, and its cement matrix were obtained. Comparisons between dry density and compressive strength as well as comparisons between the dry density and modulus of elasticity were performed, and these results show the possibility of using lightweight concrete in structural elements. Then it is suggested to use this concrete fence panels, as is associated with low density, thermal comfort and strength
Mestrado
Tecnologia e Inovação
Mestra em Tecnologia
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Gelbrich, Sandra. "Funktionsintegrative Leichtbaustrukturen für Tragwerke im Bauwesen." Doctoral thesis, Universitätsbibliothek Chemnitz, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-215103.

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In den letzten Jahren gewinnt der Leichtbau im Bauwesen im Zuge der Ressourceneinsparung wieder stärker an Bedeutung, denn ohne eine deutliche Steigerung der Effizienz ist zukunfts-fähiges Bauen und Wohnen nur schwer zu bewerkstelligen. Optimiertes Bauen, im Sinne der Errichtung und Unterhaltung von Bauwerken mit geringem Einsatz an Material, Energie und Fläche über den gesamten Lebenszyklus eines Gebäudes hinweg, bedarf des Leichtbaus in punkto Material, Struktur und Technologie. In der vorliegenden Arbeit wird ein wissenschaftlicher Überblick zum aktuellen Stand der eigenen Forschungen in Bezug auf funktionsintegrativen Leichtbau im Bauwesen gegeben sowie erweiterte Methoden und Ansätze abgeleitet, die eine Konzeption, Bemessung und Erprobung von neuartigen Hochleistungs-Tragstrukturen in Leichtbauweise gestatten. Dabei steht die Entwicklung leistungs-starker und zugleich multifunktionaler Werkstoffkombinatio-nen und belastungsgerecht dimensionierter Strukturkomponenten unter dem Aspekt der Gewichtsminimalität in Material und Konstruktion im Fokus. Ein breit gefächertes Eigen-schaftsprofil für \"maßgeschneiderte\" Leichtbauanwendungen besitzen textilverstärkte Ver-bundbauteile, denn sowohl die Fadenarchitektur als auch die Matrix können in weiten Berei-chen variiert und an die im Bauwesen vorliegenden komplexen Anforderungen angepasst werden. In der vorliegenden Arbeit werden hierzu vor allem Methoden und Lösungen anhand von Beispielen zu: multifunktionalen Faser-Kunststoff-Verbunden (FKV), funktionsintegrier-ten faserverstärkten mineralischen Tragelemente und Verbundstrukturen in textilbewehrter Beton-GFK-Hybridbauweise betrachtet. Von zentraler Bedeutung ist dabei die Schaffung von materialtechnischen, konstruktiven und technologischen Grundlagen entlang der gesamten Wertschöpfungskette – von der Leichtbauidee über Demonstrator und Referenzobjekt bis hin zur technologischen Umsetzung zur Überführung der Forschungsergebnisse in die Praxis
In the last few years, lightweight construction in the building sector has gained more and more importance in the course of resource saving. Without a significant increase in efficiency, future-oriented construction and resource-conserving living is difficult to achieve. Optimized building, in the sense of the erection and maintenance of buildings with little use of material, energy and surface over the entire life time cycle of a building, requires lightweight design in terms of material, structure and technology. In this thesis, a scientific overview of the current state of research on function-integrative light-weight construction in architecture is presented. Furthermore, advanced methods and research approaches were developed and applied, that allows the design, dimensioning and testing of novel high-performance supporting structures in lightweight design. The focus is on the development of high-performance, multi-functional material combinations and load-adapted structural elements, under the aspect of weight minimization in material and construction. Textile-reinforced composites have a broad range of material properties for optimized \"tailor-made\" lightweight design applications, since the thread architecture as well as the matrix can be varied within wide ranges and can adapted to the complex requirements in the building industry. Within the scope of this thesis, methods and solutions are examined in the field of: multifunc-tional fiber-reinforced plastics (FRP), function-integrated fiber-reinforced composites with mineral matrix (TRC) and textile-reinforced hybrid composites (BetoTexG: combination of TRC and FRP). In this connection the creation of material, structural and technological foundations along the entire value chain is of central importance: From the lightweight design idea to the demonstrator and reference object, to the technological implementation for the transfer of the research results into practice
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Gelbrich, Sandra. "Funktionsintegrative Leichtbaustrukturen für Tragwerke im Bauwesen." Doctoral thesis, Universitätsverlag der Technischen Universität Chemnitz, 2016. https://monarch.qucosa.de/id/qucosa%3A20605.

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In den letzten Jahren gewinnt der Leichtbau im Bauwesen im Zuge der Ressourceneinsparung wieder stärker an Bedeutung, denn ohne eine deutliche Steigerung der Effizienz ist zukunfts-fähiges Bauen und Wohnen nur schwer zu bewerkstelligen. Optimiertes Bauen, im Sinne der Errichtung und Unterhaltung von Bauwerken mit geringem Einsatz an Material, Energie und Fläche über den gesamten Lebenszyklus eines Gebäudes hinweg, bedarf des Leichtbaus in punkto Material, Struktur und Technologie. In der vorliegenden Arbeit wird ein wissenschaftlicher Überblick zum aktuellen Stand der eigenen Forschungen in Bezug auf funktionsintegrativen Leichtbau im Bauwesen gegeben sowie erweiterte Methoden und Ansätze abgeleitet, die eine Konzeption, Bemessung und Erprobung von neuartigen Hochleistungs-Tragstrukturen in Leichtbauweise gestatten. Dabei steht die Entwicklung leistungs-starker und zugleich multifunktionaler Werkstoffkombinatio-nen und belastungsgerecht dimensionierter Strukturkomponenten unter dem Aspekt der Gewichtsminimalität in Material und Konstruktion im Fokus. Ein breit gefächertes Eigen-schaftsprofil für \"maßgeschneiderte\" Leichtbauanwendungen besitzen textilverstärkte Ver-bundbauteile, denn sowohl die Fadenarchitektur als auch die Matrix können in weiten Berei-chen variiert und an die im Bauwesen vorliegenden komplexen Anforderungen angepasst werden. In der vorliegenden Arbeit werden hierzu vor allem Methoden und Lösungen anhand von Beispielen zu: multifunktionalen Faser-Kunststoff-Verbunden (FKV), funktionsintegrier-ten faserverstärkten mineralischen Tragelemente und Verbundstrukturen in textilbewehrter Beton-GFK-Hybridbauweise betrachtet. Von zentraler Bedeutung ist dabei die Schaffung von materialtechnischen, konstruktiven und technologischen Grundlagen entlang der gesamten Wertschöpfungskette – von der Leichtbauidee über Demonstrator und Referenzobjekt bis hin zur technologischen Umsetzung zur Überführung der Forschungsergebnisse in die Praxis.
In the last few years, lightweight construction in the building sector has gained more and more importance in the course of resource saving. Without a significant increase in efficiency, future-oriented construction and resource-conserving living is difficult to achieve. Optimized building, in the sense of the erection and maintenance of buildings with little use of material, energy and surface over the entire life time cycle of a building, requires lightweight design in terms of material, structure and technology. In this thesis, a scientific overview of the current state of research on function-integrative light-weight construction in architecture is presented. Furthermore, advanced methods and research approaches were developed and applied, that allows the design, dimensioning and testing of novel high-performance supporting structures in lightweight design. The focus is on the development of high-performance, multi-functional material combinations and load-adapted structural elements, under the aspect of weight minimization in material and construction. Textile-reinforced composites have a broad range of material properties for optimized \"tailor-made\" lightweight design applications, since the thread architecture as well as the matrix can be varied within wide ranges and can adapted to the complex requirements in the building industry. Within the scope of this thesis, methods and solutions are examined in the field of: multifunc-tional fiber-reinforced plastics (FRP), function-integrated fiber-reinforced composites with mineral matrix (TRC) and textile-reinforced hybrid composites (BetoTexG: combination of TRC and FRP). In this connection the creation of material, structural and technological foundations along the entire value chain is of central importance: From the lightweight design idea to the demonstrator and reference object, to the technological implementation for the transfer of the research results into practice.
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Pourakbar, Sharifi Naser. "Application of Phase Change Materials to Improve the Thermal Performance of Buildings and Pavements." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-dissertations/22.

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In recent decades, much research has investigated the efficiency of Phase Change Materials (PCMs) in improving the thermal performance of buildings and pavements. In buildings, increasing the thermal inertia of structural elements by incorporating PCMs decreases the energy required to keep the inside temperature in the comfort range. In concrete pavements, using PCMs decreases the number of freeze/thaw cycles experienced by the pavement and thus increases service life. However, PCMs cannot be added to cementitious binders directly, because they interfere with the hydration reactions between cement and water that produce strength-bearing phases. Therefore different carriers have been proposed to indirectly incorporate PCMs in cementitious materials. Lightweight Aggregate (LWA) is one of the materials that has been proposed as PCM carrier agent. However, it was not studied in depth before. Various experiments were conducted to investigate the problems associated with incorporating LWA presoaked in PCM in cementitious media. The results show that a portion of PCM leaks out of the LWA’s structure and subsequently affects different chemical, physical, and mechanical properties of the binder. In addition, the applicability of Rice Husk Ash (RHA), a common material never before used to encapsulate PCM, as a PCM carrier agent was investigated. The results show that RHA can absorb and contain liquids in its porous structure; and regarding its compatibility with the cementitious media, it can be used as PCM carrier. Different computational simulations using Typical Meteorological Year data were conducted to evaluate the efficiency of PCMs in improving the thermal performance of buildings. Utilizing PCM-incorporated gypsum boards was shown to be a promising strategy to achieve the governmental plans of “Zero Net Energy� buildings. The results show that using a PCM with a melting point near the occupant comfort zone delays and reduces the inside peak temperature, increases the duration of time during which the inside temperature stays in the comfort zone, and decreases the cost and energy required by HVAC system to keep the inside temperature in this range. However, PCMs’ efficiency is completely dependent on the input temperature profile.
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Mikulica, Karel. "Porovnání technických vlastností a technologií pokládky lehkých stavebních hmot pro podlahové konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227536.

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This graduation thesis is aimed to presentation heat isolation materials for the floor constructions. The experimental part is devoted physical - mechanical properties suggested very light concretes with the cement. The main part of the thesis is devoted to form of the transit and putting of the individual heat isolation materials. In the end are suggested structures of the floor constructions with the respect to their properties and price.
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Yang, Wang Shi, and 王士暘. "A Study on recycling green building materials in lightweight aggregate concrete." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/97248045742195613120.

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碩士
國立高雄應用科技大學
土木工程與防災科技研究所
98
Recycled Green Building Materials of the study is produced in Taiwan, mainly used recycled mineral admixtures includes fly ash, slag, glass sands and rubber powder. Waste LCD glass sands and waste rubber powders are used to replace fine aggregates for 0%, 5% and 10% with W/B=0.4. According to ACI proportion specification, lightweight aggregate concrete are produced, after curing for 7, 28,56 and 91 days, harden property, NDT test and durability properties are investigated. The results showed that, different kinds of recycled green building materials determined the slump. Specimens conformed to the design slump 150-180mm. With the replacement of recycled green building materials increased, the unit weight of LWAC decreased, unit weight decreasing ratio of waste rubber powder higher than waste glass sands, waste glass sands and waste rubber, waste rubber powders was the lowest. LWAC had better harden properties than normal concrete, and the compressive strength of LWAC at 7 days reached 36 MPa, and reached 56 MPa at age 91 days. Specimens with the replacement amount 5% had the highest compressive strength, followed by controlled group, 10% for waste glass sands, mixing of waste glass and rubber, waste rubber for 5% and 10% respectily. Elastic modulus of waste glass replaument for 5% was the highest, with the age increased, Elastic modulus increased. LWAC which added GBM had better tensile strength, replacement amount of waste glass sands for 5% was the highest and WRP for 10% had the lowest value. UPV of Normal concrete was better than LWAC and was for 10% had the highest value, WRP for 10% was the lowest. Using GBM could jmprove the surface electric resistance, of Normal weight concrete and LWAC, both of them whose electric resistance reached higher than 20kΩ-cm had corrosion resistance. Add the green building materials can inhibit the regeneration of lightweight aggregate concrete volume change, with replace the amount 5% of waste rubber powder was the lowest (0.01%). Normal weight concrete had better sulfate resistance than the lightweight aggregate concrete, mixing materials have higher benefits than using waste glass sand or waste rubber powders. Using green building materials in lightweight aggregate concrete can use waste resources effectively, achieve the goal of environmental issues, enhance utilization of recycled green building materials and develop towards waste recycling technology.
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Jhou, Jhou-Wei, and 周卓緯. "Investigating the properties of lightweight concrete containing high contents of recycled green building materials." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/54849455625180833426.

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碩士
國立高雄應用科技大學
土木工程與防災科技研究所
101
With the social and technological advances in Taiwan, the production of industrial waste (waste liquid crystal displays and waste scrap tires) is continuously increasing, and environmental considerations of reducing and recycling this waste have emerged. The construction industry is using recycled materials to produce green building materials for environmental protection. This study uses multiple recycled materials at different levels of addition to determine the influence of various recycled materials on lightweight concrete and to establish data for future research. This study will be used tire rubber particles and liquid crystal glass recycled materials both default to 1:1 after mixing a so-called renewable green building materials, and for the regeneration of green building replaces the ordinary concrete and lightweight aggregate concrete explore the nature of fine aggregate, first, collect relevant literature, and the experimental method, project arrangements and configurations, depending on the amount of fine aggregate replaced (0% to 70%) and normal weight and lightweight aggregates two variables, the largest amount of 70% is based on replacing CPAMI of green building design and technical specifications, which refers to resource recycling building materials means without kiln and recycled materials blending ratio of more than seventy percent of the products made, therefore, the design normal weight aggregate with lightweight aggregate from the control group to a maximum of 16 group substitution ratio, and at the age of 1,7,28,56 and 91 days for the nature of tests. Studies have shown that renewable green building often heavy concrete and lightweight concrete slump with the highest increases were replaced reached 230 mm above has good workability, unit weight loss of about 1.3times and 1.4times (568 and 600 kg/m3), the setting time is increased from 1.5 to 1.7 times (190 and 242 min), Compressive strength, ultrasonic velocity greatly reduced 9.8 and 8.6 times, respectively (49 and 43 kgf/cm2), 1.4 times (1131 and 1276 m / s) and a reduced length variation were 3.7 and 5 times (-0.115 and -0.220 %), resistance increased by approximately 1.8 to 2 times (27.8 kΩ-cm and 35.0 kΩ-cm). The future will be beneficial to the future establishment of relevant databases related research, improve the value of recycling waste, achieve the maximum benefit for the environment.
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Books on the topic "Lightweight building materials"

1

Leif, Berntsson, and Knovel (Firm), eds. Lightweight aggregate concrete: Science, technology, and applications. Norwich, N.Y: Noyes Publications, 2002.

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Leif, Berntsson, ed. Lightweight aggregate concrete: Science, technology, and applications. Norwich, N.Y: Noyes Publications/William Andrew Pub., 2003.

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M, Silva Lucas F., Castro, Paulo M.S.T., and SpringerLink (Online service), eds. Structural Connections for Lightweight Metallic Structures. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.

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Domagała, Lucyna. Konstrukcyjne lekkie betony kruszywowe: Structural lightweight aggregate concrete. Kraków: Wydawnictwo PK, 2014.

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Koch, Klaus-Michael. Membrane structures: The fifth building material. Munich: Prestel, 2004.

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Werkstoffkolloquium 2001 (2001 Gerhard-Mercator-Universität Duisburg). Werkstoffkolloquium 2001: Vom Werkstoff zum fortschrittlichen Leichtbau. Aachen: Shaker, 2001.

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J, Habermann Karl, ed. Membrane structures: Innovative building with film and fabric. Munich: Prestel, 2004.

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Poland) International Conference on Autoclaved Aerated Concrete (5th 2011 Bydgoszcz. 5th International Conference on Autoclaved Aerated Concrete "Securing a Sustainable Future": To be held at Bydgoszcz to celebrate 60 years of AAC experience in Poland : Bydgoszcz, Poland, September 14-17, 2011. Bydgoszcz: University of Technology and Life Sciences Press, 2011.

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Peterman, Robert J. Evaluation of strand transfer and development lengths in pretensioned girders with semi-lightweight concrete. West Lafayette, Ind: Purdue University, [Joint Transportation Research Program, 1999.

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Paving with pervious concrete. Atglen, PA: Schiffer Pub., 2010.

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Book chapters on the topic "Lightweight building materials"

1

San-Antonio González, A., M. del Río Merino, R. Martínez Martínez, and P. Villoria Sáez. "Properties of Lightweight Plaster Materials Made With Expanded Polystyrene Foam (EPS)." In Construction and Building Research, 413–17. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7790-3_50.

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Sun, Xiaoqin, Siyuan Fan, Youhong Chu, Yajing Mo, and Shuguang Liao. "Annual Thermal Evaluation of Lightweight Building Envelopes Containing Phase Change Materials in Changsha." In Environmental Science and Engineering, 157–66. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-9528-4_17.

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Cervera Sardá, Rosa, and Javier Pioz. "Bio-inspired Lightweight Structural Systems: Learning from Microcomponents in the Nature for the Energy Efficiency in the Architecture." In Nano and Biotech Based Materials for Energy Building Efficiency, 391–409. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27505-5_14.

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Sarani, Noor Amira, Aeslina Abdul Kadir, Nur Fatin Nabila Hissham, Mohd Ikhmal Haqeem Hassan, and Nurul Nabila Huda Hashar. "Performance on Physical and Mechanical Properties of Fired Clay Brick Incorporated with Palm Kernel Shell for Lightweight Building Materials." In Lecture Notes in Civil Engineering, 119–44. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4918-6_7.

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Müller, Harald S., and Stefan Linsel. "A New Type of High-Performance Lightweight Concrete." In Materials for Buildings and Structures, 23–27. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527606211.ch4.

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Hammer, Tor Arne, Klaas van Breugel, Steinar Helland, Ivar Holand, Magne Maage, Jan P. G. Mijnsbergen, and Edda Lilja Sveinsdóttir. "Economic Design and Construction with Structural Lightweight Aggregate Concrete." In Materials for Buildings and Structures, 18–22. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527606211.ch3.

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Svennberg, K., and L. Wadsö. "A modified cup-method for lightweight and highly permeable materials." In Research in Building Physics, 177–82. CRC Press, 2020. http://dx.doi.org/10.1201/9781003078852-26.

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Meng, X., G. Lu, and W. Da. "High-performance lightweight over-strength UHMWPE UD cloth preparation and its application." In Energy, Environment and Green Building Materials, 59–62. CRC Press, 2015. http://dx.doi.org/10.1201/b18511-14.

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Al-Bahar, S., S. Al-Otaibi, M. Taha, A. Al-Arbeed, A. Abduljaleel, F. Al-Fahad, and S. Al-Fadala. "Lightweight aggregates produced from mixtures of high silica – heating microscope procedure." In Advances in Civil Engineering and Building Materials, 179–84. CRC Press, 2012. http://dx.doi.org/10.1201/b13165-37.

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Kalmar, G. "LIGHTWEIGHT CONCRETE: ASPECTS OF SERVICE LIFE AND MAINTENANCE." In Proceedings of the Fourth International Conference on Durability of Building Materials and Components, 492–99. Elsevier, 1987. http://dx.doi.org/10.1016/b978-1-4832-8386-9.50068-1.

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Conference papers on the topic "Lightweight building materials"

1

Shivakumar, Kunigal, Shivalingappa Lingaiah, and Robert Sadler. "Ultra Lightweight Material for Building Microsystems." In 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
16th AIAA/ASME/AHS Adaptive Structures Conference
10t. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-1784.

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Adhikary, Suman Kumar, and Žymantas Rudžionis. "Investigations on lightweight concrete prepared by combinations of rubber particles and expanded glass aggregate." In The 13th international scientific conference “Modern Building Materials, Structures and Techniques”. Vilnius Gediminas Technical University, 2019. http://dx.doi.org/10.3846/mbmst.2019.007.

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Lightweight concrete is a very useful building material used in the construction sector for providing better insulation and lower energy consumption. Properties of lightweight aggregate, water-cement ratio, and other additives strongly affect the concrete strength, thermal properties, and workability. This paper investigates the behavior of lightweight concrete using rubber particles as fine aggregate, replaced by the expanded glass lightweight aggregate in the concrete mixture. In the concrete mixture expanded glass aggregate is replaced by rubber particles by 5%, 10%, 20%, 30%, 40%, and 50% by mass. Concrete workability, density, compressive strength, flexural strength, water absorption tests were examined. Workability and density were increasing by increasing rubber particles replacement percentages in the concrete mixture. On the other hand, compressive strength and flexural strength were decreasing by higher percentages of rubber particles replacement. Strength properties of rubberized concrete can be balanced by the proper utilization of binding materials in the concrete. Rubberized concrete can be used in the construction sector efficiently as partial replacement of lightweight aggregate in the concrete mixture.
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Acker, J., X. Jiang, and J. Bulcke. "Innovative Approaches to Increase Service Life of Poplar Lightweight Hardwood Construction Products." In XV International Conference on Durability of Building Materials and Components. CIMNE, 2020. http://dx.doi.org/10.23967/dbmc.2020.086.

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Vyšvařil, M., and P. Bayer. "Salt and Ice Crystallization Resistance of Lime Mortars with Natural Lightweight Aggregate." In XV International Conference on Durability of Building Materials and Components. CIMNE, 2020. http://dx.doi.org/10.23967/dbmc.2020.121.

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Silveira, D., I. Torres, I. Colen, and R. Pinto. "Influence of Lightweight Concrete Block Support on Physical and Mechanical Characteristics of Applied Mortars." In XV International Conference on Durability of Building Materials and Components. CIMNE, 2020. http://dx.doi.org/10.23967/dbmc.2020.083.

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Acevedo D., Jorge, Luis Torres-t., and Lauren Gomez Z. "Compressive Strength Prediction of Building Blocks from Lightweight Raw Materials: A Neural Network Approach." In Electronics, Robotics and Automotive Mechanics Conference (CERMA'06). IEEE, 2006. http://dx.doi.org/10.1109/cerma.2006.27.

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Setina, Janina, Inna Juhnevica, and Janis Baronins. "The effect of ashes on the properties of cement mortar and typical concrete fillers." In The 13th international scientific conference “Modern Building Materials, Structures and Techniques”. Vilnius Gediminas Technical University, 2019. http://dx.doi.org/10.3846/mbmst.2019.031.

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The production of heat and electricity from shale and biomass is leading to a significant increase in the amount of the combustion residues i.e. ashes. The utilization of ashes as the pozzolanic additive in the production of Portland cement mortar and concrete for the construction of lightweight structures is the most popular way. The interaction of ashes with other typical concrete fillers also can affect the final relative short-term and long-term properties of fresh and hardened concrete when designing the concrete mixture. The influence of wood and shale ashes on the properties of cement mortar and typical concrete fillers (sand, limestone, dolomite) – fresh mortar, hydration process, and hardened mortar were researched and assessed for their applicability in the production of concrete. The best results of mechanical strength, frost resistance and water absorption were measured in case of shale ashes containing samples in combination with cement and selected concrete additive – sand. Shale ashes can be recommended for application as the active additive. Since wood ash was exhibiting lower activity, it can also be applied as a filler to produce building materials.
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Gribniak, Viktor, Aleksandr K. Arnautov, and Arvydas Rimkus. "Development of an anchorage prototype for CFRP stress-ribbon systems using 3D printing technique." In The 13th international scientific conference “Modern Building Materials, Structures and Techniques”. Vilnius Gediminas Technical University, 2019. http://dx.doi.org/10.3846/mbmst.2019.138.

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Compared with other structure types, stress-ribbon systems are extremely simple though requiring massive anchorage blocks because of very large tensile stresses induced in the ribbons. Such structural systems are efficient in pedestrian bridges. A major drawback of these systems is related to corrosion of the steel ribbons. Unidirectional carbon fibre reinforced polymer (CFRP) has a high potential for replacing steel in the ribbons because of lightweight, high strength, and excellent resistance to corrosion and fatigue. Application of CFRP materials, however, faced serious problems due to construction of the anchorage joints. Thus, the anchorage system is the object of this research. Adhesive bonding is a simplest technology for joining structural components made of CFRP composites with polymer matrix. In the adhesion joints, the loads are transferred due to the shear effect. However, a relatively low inter-laminar shear strength of CFRP decreases effectiveness of the gripping systems. Brittle failure of the bond is often consequence of stress concentration. An innovative anchorage joint is proposed to control shear stresses by varying a local curvature of the contact surface. A natural shape of Nautilus shell was chosen for the gripping system, whereas a 3D printing technique was applied for the prototyping purpose. Mechanical behaviour of the anchorage prototypes made of printed polymeric material was investigated experimentally.
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9

Adib, Shady, and Ieva Misiunaite. "High strength steel cold-formed hollow sections: implication of cross-section aspect ratio and slenderness characteristics on flexural behavior." In The 13th international scientific conference “Modern Building Materials, Structures and Techniques”. Vilnius Gediminas Technical University, 2019. http://dx.doi.org/10.3846/mbmst.2019.066.

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Cold-formed tubular sections are widely applicated for a variety of structural solutions, primarily due to their advantageous structural properties, inherent aesthetic characteristics and ease of prefabrication and mass production. High strength steels (HSS) are attaining growing attention from structural engineers and researchers due to their potential on the design of lightweight and more economic structures. In combination with cold-formed tubular sections HSS might serve as improvement on structural efficiency as well as solution for structural problems when usage of normal steel is limited due to insufficient strength. However, innovative structural solutions are often faced problems related with absence of appropriate design procedures. In most of the design codes cross-section design is performed following the traditional classification procedure based on the slenderness of the individual constituents without respect to their interaction. Moreover, tubular sections are generally treated in the same manner without respect to their formation route, embedding an elastic-perfectly plastic material model, without reference to the cold-formed sections increased strength and reduced ductility over the flat material. This paper reports on the numerical study of cold-formed HSS tubular beams deformation response, with a focus on the effect of cross-section constituent’s interaction and strength enhancement influence on the cross-section slenderness. Finite element (FE) models were first developed and validated against existing test results. Upon validation against the experimental results, parametric studies were carried out to expand the available flexural response data over a range of cross-section aspect ratio, cross-section slenderness and steel grades. The obtained numerical results were used to assess the suitability of the current design codes cross-sections classification for cold-formed HSS tubular beams.
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10

Moonen, S. P. G. "Rapidly building with lightweight modules and a dry assembled foundation: used in a mock-up for home units made out of reclaimed materials." In MARAS 2014. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/mar140171.

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