Academic literature on the topic 'Floors, Concrete Thermal properties'

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Journal articles on the topic "Floors, Concrete Thermal properties"

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Nagy, Balázs, and Dóra Szagri. "Hygrothermal Properties of Steel Fiber Reinforced Concretes." Applied Mechanics and Materials 824 (January 2016): 579–88. http://dx.doi.org/10.4028/www.scientific.net/amm.824.579.

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This paper defines the hygrothermal material properties (thermal conductivity, density, specific heat capacity, vapor diffusion coefficient and resistance, moisture storage function, water absorption coefficient and liquid transport coefficient) of steel fiber reinforced concretes that are widely used for industrial floors, based on laboratory measurements. The measured and calculated material properties are necessary to carry out a dynamic heat and moisture simulation of a component or a building containing steel fiber reinforced concrete layers.
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Iravani, Ahmad, Volkert Feldrappe, Andreas Ehrenberg, and Steffen Anders. "Stability of concrete containing blast-furnace slag following exposure to cyclic elevated temperature." Acta Polytechnica CTU Proceedings 33 (March 3, 2022): 238–44. http://dx.doi.org/10.14311/app.2022.33.0238.

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Concrete is widely used in constructions such as industrial floors or airducts in steel- and casting industry where it is often exposed to long-term or cyclic elevated temperatures. For these applications, thermal stability of concrete is of vital importance. The strength reduction dueto elevated temperatures depends on the temperature level and concrete composition. In this study, the effects of blast-furnace slag cement (CEM III/A) and basaltic aggregates were investigated at temperatures 250◦C to 700 ◦C in comparison to conventional Portland cement (CEM I) containing quarzitic aggregates. T
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Glinicki, Michał, Daria Jóźwiak-Niedźwiedzka, and Andrzej Brandt. "Diagnostics of premature damage to surface-hardened industrial concrete floors." Cement Wapno Beton 28, no. 6 (2024): 409–27. http://dx.doi.org/10.32047/cwb.2023.28.6.4.

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The article presents the diagnostic results on surface-hardened industrial concrete floors. Selected examples of floors showcased premature damage to surface layers, characterized by intense dusting, delamination, and local spalling, while the structural system remained unaffected. Quantitative petrographic analysis of concrete was applied to core specimens from the floors, involving the examination of digital images from a polarizing optical microscope and a scanning electron microscope. The hardening compound and powdered specimens of the cement matrix were characterized using differential t
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Sedlmajer, Martin, and Jiri Zach. "Properties of Lightweight Concretes Made of Aggregate from Recycled Glass." Solid State Phenomena 249 (April 2016): 67–72. http://dx.doi.org/10.4028/www.scientific.net/ssp.249.67.

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The paper describes the basic properties of newly developed lightweight cement concrete containing lightweight aggregate based on recycled glass. The basic properties of concrete were observed, i.e. bulk density in fresh and hardened state and compressive strength. Given the low bulk density of the concretes being designed, thermal conductivity is also observed in order to assess the options off improving thermal insulation properties in a structure where such concrete may be used. Thermal insulation properties are the primary parameter in the implementation of floor or ceiling structure compo
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Raczkiewicz, Wioletta, and Artur Wójcicki. "Implementation and usage aspects for floors in the residential houses." E3S Web of Conferences 49 (2018): 00085. http://dx.doi.org/10.1051/e3sconf/20184900085.

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Concrete floors at the building’s rooms are made of concrete, as well as fibre-reinforced concrete, or with the reinforcement meshes of various kinds. On one hand, such aspects have an influence on technical capabilities, as well as cost and labour-consumption when making the floors; on the other hand, they influence operational properties. The floors, as a result of significant dimensions, are particularly vulnerable to cracks, following the overlapping effects of shrinkage and thermal strains, as well as mechanical loads. Detailed design guidelines concerning the implementation method and th
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Wen, Bo, Haotian Tao, Benkai Shi, and Huifeng Yang. "Dynamic Properties of Timber–Concrete Composite Beams with Crossed Inclined Coach Screw Connections: Experimental and Theoretical Investigations." Buildings 13, no. 9 (2023): 2268. http://dx.doi.org/10.3390/buildings13092268.

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Due to the low density and stiffness of wood, traditional timber floor systems are prone to producing large vibration responses. By combining timber beams with concrete floors, timber–concrete composite (TCC) floor systems show stronger bearing capacity, higher bending stiffness, and better thermal and sound insulation behaviors when compared with traditional timber floor systems. In this study, the vibration performance of TCC beams with crossed inclined coach screw connectors was investigated using dynamic tests. The influence of the screw diameters and slab dimensions on the dynamic perform
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Olanrewaju Sharafadeen Babatunde Owolabi and Noor Faisal Abas. "The Impact of Density and Porosity on Thermal Properties of Kernelrazzo Concrete Floor Finish." Journal of Advanced Research in Applied Sciences and Engineering Technology 29, no. 2 (2023): 291–303. http://dx.doi.org/10.37934/araset.29.2.291303.

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Understanding the impact of density and porosity on the thermal characteristics of kernelrazzo concrete floor finish was the study's main goal. Kernelrazzo is a combination of palm kernel shell, marble chippings in place of terrazzo, quarry dust, cement, palm oil fuel ash and water. In this study, it was determined which factors normally have the biggest influence on the thermal development of kernelrazzo concrete by conducting a scan of the literature and specifications. In this study, experiments in the laboratory were carried out at USM's HBP Concrete Lab. The components were mechanically c
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Oksana, Shkromada, Paliy Andriy, Yurchenko Oksana, et al. "INFLUENCE OF FINE ADDITIVES AND SURFACTANTS ON THE STRENGTH AND PERMEABILITY DEGREE OF CONCRETE." EUREKA: Physics and Engineering 2 (March 31, 2020): 19–29. https://doi.org/10.21303/2461-4262.2020.001178.

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The results of studies to determine the effect of titanium dioxide nanoparticles (nanoTiO<sub>2</sub>), finely dispersed anatase crystalline titanium dioxide (anatazTiO<sub>2</sub>) and surface-active substances (surfactants) on the compressive strength, degree of permeability and thermal stability of concrete samples are presented. Adding particles of nanotitanium, anatase titanium and surfactants up to 2&nbsp;% to cement accelerates the hydration process and increases the strength of concrete, and also has a strong effect on its microstructure. As a result of the studies, it is experimentall
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E.V., Shipacheva, Pirmatov R. Kh., and Turdalieva M.K. "Heat Engineering Heterogeneity Of The Outer Walls Of Earthquake-Resistant Buildings." American Journal of Interdisciplinary Innovations and Research 02, no. 12 (2020): 1–8. http://dx.doi.org/10.37547/tajiir/volume02issue12-01.

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When assessing the level of energy efficiency of civilian buildings, a special place is given to establishing the level of thermal protection of their external enclosing structures. Significant discrepancies in the results of theoretical and experimental studies of heat fluxes through the outer walls of buildings erected in seismic areas are associated with the design features of fences - the presence of reinforced concrete elements in them: anti-seismic belts at the level of floors, cores at intersections of walls and along the edges of large window openings ... In addition, in recent years,
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SRINIVAS, CH, YALLA KARTEEK, VEGI BHARGAV, SYED MAHABOOB BASHA, and AVAPATI DILEEPKUMAR. "Experimental Investigation on Conctrete by Adding Recron 3S Fibre." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem43186.

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This study investigates the impact of Recron 3S fiber addition on the mechanical properties of M20 grade concrete, aiming to enhance its strength, durability, and crack resistance. Recron 3S, a synthetic micro-fiber, was incorporated into concrete mixes at varying percentages (0%, 0.25%, 0.50%, 0.75%, and 1% by weight of cement), and the resulting properties were compared with conventional concrete. Fresh and hardened properties, including workability, compressive strength, split tensile strength, and flexural strength, were evaluated through laboratory testing on casted cubes and cylinders at
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Dissertations / Theses on the topic "Floors, Concrete Thermal properties"

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Grange, Peter James Christopher. "Investigating the Commercial Viability of Stratified Concrete Panels." Thesis, University of Canterbury. Department of Civil and Natural Resources Engineering, 2012. http://hdl.handle.net/10092/7430.

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Buildings consume more than 30 percent of the primary energy worldwide with 65 percent of this attributed to heating ventilation and cooling. To help address this, stratified concrete panels (SCP) have been developed to provide insulation without compromising the thermal mass of concrete. SCP is created by vibrating a single concrete mix containing heavy and lightweight aggregates. Vibration causes the heavy aggregates drop to the bottom so that two distinct strata are formed; an internal structural/heavyweight layer providing thermal mass and an external lightweight layer for insulation. SCP
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Behrens, Christina. "Assessment of thermal properties of AAC masonry walls and panels." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1453187421&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Hösthagen, Anders. "Thermal Crack Risk Estimation and Material Properties of Young Concrete." Licentiate thesis, Luleå tekniska universitet, Byggkonstruktion och brand, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65495.

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This thesis presents how to establish a theoretical model to predict risk of thermal cracking in young concrete when cast on ground or an arbitrary construction. The crack risk in young concrete is determined in two steps: 1) calculation of temperature distribution within newly cast concrete and adjacent structure; 2) calculation of stresses caused by thermal and moisture (due to self-desiccation, if drying shrinkage not included) changes in the analyzed structure. If the stress reaches the tensile strength of the young concrete, one or several cracks will occur. The main focus of this work is
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Khan, Arshad A. (Arshad Ahmad). "Concrete properties and thermal stress analysis of members at early ages." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=29060.

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This research program presents an experimental study on the mechanical and thermal properties of different types of concretes at very early ages, (i.e., during hydration). These properties are investigated for temperature-matched curing, sealed curing and air-dried curing. Three types of concretes are studied including normal-strength (30 MPa), medium-strength (70 MPa) and high-strength (100 MPa) concretes. About 300 cylinders and 175 flexural beams were tested to determine the early-age mechanical properties including compressive stress-strain responses, gain of compressive strength, change i
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El-Khoja, Amal M. N. "Mechanical, thermal and acoustic properties of rubberised concrete incorporating nano silica." Thesis, University of Bradford, 2019. http://hdl.handle.net/10454/18351.

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Very limited research studies have been conducted to examine the behaviour of rubberised concrete (RuC) with nano silica (NS) and addressed the acoustic benefits of rubberised concrete. The current research investigates the effect of incorporating colloidal nano silica on the mechanical, thermal and acoustic properties of Rubberised concrete and compares them with normal concrete (NC). Two sizes of rubber were used RA (0.5 – 1.5 mm) and RB (1.5 – 3 mm). Fine aggregate was replaced with rubber at a ratio of 0%, 10%, 20% and 30% by volume, and NS is used as partial cement replace
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Othuman, Mydin Md Azree. "Lightweight foamed concrete (LFC) thermal and mechanical properties at elevated temperatures and its application to composite walling system." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/lightweight-foamed-concrete-lfc-thermal-and-mechanical-properties-at-elevated-temperatures-and-its-application-to-composite-walling-system(5a13ec7f-d460-4354-a296-6d1ffecff971).html.

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LFC is cementatious material integrated with mechanically entrained foam in the mortar slurry which can produce a variety of densities ranging from 400 to 1600 kg/m3. The application of LFC has been primarily as a filler material in civil engineering works. This research explores the potential of using LFC in building construction, as non-load-bearing partitions of lightweight load-bearing structural members. Experimental and analytical studies will be undertaken to develop quantification models to obtain thermal and mechanical properties of LFC at ambient and elevated temperatures. In order t
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Chang, Lei. "Experimental Data on Fire-Resistance Behavior of Reinforced Concrete Structures with Example Calculations." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3003/.

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This thesis selects concrete, steel and their relation as research subjects, mainly commentary and discusses the property changes of steel and concrete materials under and after high temperature.The differences and comparisons of reasearch methods and ways between different researchers and different papers,particularly for chinese researches and chinese papers,and partly for comparison between chinese papers methods and Euro-Amercian papers methods about Fire Resistance Behavior of Reinforced Concrete will be summarized and analyzed.The researches on fire-resistance behavior of reinforced con
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Bozkurt, Emrah Tanoğlu Metin. "Mechanical and thermal properties of non-crimp glass fiber reinforced composites with silicate nanoparticule modified epoxy matrix/." [s.l.]: [s.n.], 2006. http://library.iyte.edu.tr/tezler/master/makinamuh/T000517.pdf.

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Thesis (Master)--İzmir Institute of Technology, İzmir, 2006<br>Keywords: polymer composites, Nanoparticles, glass fiber, mechanical properties, thermal properties. Includes bibliographical references (leaves 75-79).
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Maraveas, Chrysanthos. "Fire resistance of metal framed historical structures." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/fire-resistance-of-metal-framed-historical-structures(390efc49-7228-4ad1-a164-356213df96fb).html.

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This thesis focuses on fire resistance of 19th century cast iron framed structures. Based on material property data obtained from a comprehensive literature review, upper and lower bound relationships of the thermal and mechanical properties of 19th century fireproof floor construction materials have been derived. Because these materials have large variability, a sensitivity analysis has been undertaken to investigate the most effective ways of representing such variability. The sensitivity analysis has indicated that the elevated mechanical properties of cast iron should be reliably quantifie
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SANTOS, WILSON N. dos. "Contribuicao ao estudo da condutividade termica do material ceramico concreto refratario utilizando a tecnica de fio quente com ajustes por regressao nao linear." reponame:Repositório Institucional do IPEN, 1988. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9901.

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Made available in DSpace on 2014-10-09T12:32:39Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:08:47Z (GMT). No. of bitstreams: 1 01638.pdf: 3040773 bytes, checksum: f18467d3dc509496522489a5bcf98007 (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Books on the topic "Floors, Concrete Thermal properties"

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Bahnfleth, William P. Three-dimensional modelling of heat transfer from slab floors. US Army Corps of Engineers, Construction Engineering Research Laboratory, 1989.

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United States. Dept. of Housing and Urban Development. Office of Policy Development and Research. and NAHB Research Center, eds. Insulating concrete forms: Comparative thermal performance. The Office, 1999.

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A, Imbsen Roy, and Engineering Computer Corporation, eds. Thermal effects in concrete bridge superstructures. Transportation Research Board, National Research Council, 1985.

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Woodson, R. Dodge. Radiant floor heating. 2nd ed. McGraw-Hill, 2010.

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American Association of State Highway and Transportation Officials., ed. AASHTO guide specifications: Thermal effects in concrete bridge superstructures. American Association of State Highway and Transportation Officials, 1989.

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V, Zhukov V. Termostoĭkostʹ zhelezobetonnykh konstrukt͡s︡iĭ. "Budivėlʹnyk", 1991.

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Nat͡sievskiĭ, I͡Uriĭ Danilovich. Povyshenie teplozashchitnykh svoĭstv paneleĭ iz legkogo betona. "Budivelʹnyk", 1986.

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Trapeznikov, L. P. Temperaturnai͡a︡ treshchinostoĭkostʹ massivnykh betonnykh sooruzheniĭ. Ėnergoatomizdat, 1986.

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James, Timothy B. Heat transmission coefficients for walls, roofs, ceilings, and floors. American Society of Heating, Refrigerating, and Air-Conditioning Engineers, 1993.

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Malhotra, Ashok. Brick veneer concrete masonry unit backing. Canada Mortgage and Housing Corporation, 1997.

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Book chapters on the topic "Floors, Concrete Thermal properties"

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Liu, Yuchen. "Study on the Influence of the Arrangement of Thermal Insulation Floor on the Thermal Insulation and Mechanical Properties of Hollow Slab." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1748-8_10.

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AbstractIn order to study the influence of the arrangement of thermal insulation floor on the thermal insulation and mechanical properties of hollow slab, ABAQUS is used to establish the model of thermal analysis and mechanical behavior of hollow slab. By investigating distribution of temperature, distribution of heat flux, damage and deformation of floor, deformation of mid-span deflection and other characteristics of the floor section, it is concluded that although the transmission of heat can be effectively obstructed by the thermal insulation slab, the heat will be transferred to the inter
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Sun, Lei, Zhenyu Zhang, Yong Zhan, Qian Wang, and Wu Chen. "Study on Mechanical and Thermal Properties of Prefabricated Cavity Structure." In Novel Technology and Whole-Process Management in Prefabricated Building. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5108-2_37.

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AbstractIn order to improve the contribution of prefabricated buildings in the field of reducing carbon emissions, a hemispherical prefabricated cavity intima structure was designed based on the prefabricated laminated floor technology, which is more in line with the development law of mechanics. From the mechanical properties and thermal properties as the research objects, the full size static loading test and the thermal test of the test house are used as the research methods, and the deflection deformation data of the cavity structure under different loading conditions and the temperature c
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Garber, George. "Properties of Hardened Concrete." In Design and Construction of Concrete Floors, 3rd ed. CRC Press, 2025. https://doi.org/10.1201/9781003565956-11.

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Garber, George. "Properties of Plastic Concrete." In Design and Construction of Concrete Floors, 3rd ed. CRC Press, 2025. https://doi.org/10.1201/9781003565956-10.

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Wyrzykowski, Mateusz, Agnieszka Knoppik, Wilson R. Leal da Silva, et al. "Thermal Properties." In Thermal Cracking of Massive Concrete Structures. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76617-1_3.

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McNamee, Robert Jansson, Pierre Pimienta, and Roberto Felicetti. "Thermal Properties." In Physical Properties and Behaviour of High-Performance Concrete at High Temperature. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95432-5_4.

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Niaki, Mostafa Hassani, and Morteza Ghorbanzadeh Ahangari. "Thermal Properties of Polymer Concrete." In Polymer Concretes. CRC Press, 2022. http://dx.doi.org/10.1201/9781003326311-7.

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Benboudjema, Farid, Jérôme Carette, Brice Delsaute, et al. "Mechanical Properties." In Thermal Cracking of Massive Concrete Structures. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76617-1_4.

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Wagh, Chandrashekhar D., Gandhi Indu Siva Ranjani, and Abhishek Kamisetty. "Thermal Properties of Foamed Concrete: A Review." In RILEM Bookseries. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51485-3_9.

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Rady, Mahmoud, and Ahmed Soliman. "Thermal Properties of Ultra-High-Performance Concrete: A Review." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-61511-5_20.

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Conference papers on the topic "Floors, Concrete Thermal properties"

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O'Farrell, Brian. "Coatings and Concrete: Understanding the Substrate." In SSPC 2015 Greencoat. SSPC, 2015. https://doi.org/10.5006/s2015-00045.

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Before coating concrete you must first know what the substrate is that you are working on. Since all concrete floors are not the same there is no one size fits all system. In fact many buildings will have several different types of concrete floors. Add to that the different mix designs, placement techniques and environmental conditions and you end up with a menagerie of concrete floors exhibiting a wide variety of properties. Understanding these challenges is an essential first step to specifying or applying a concrete floor coating system. This article pertains to the observations, testing an
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Ajayi, Joseph Adeniyi, Abu James. Gana, Oluwaseun A. Akinmusere, Adanikin Ariyo, Opeyemi Olajide, and Oluwasegun J. Aladegboye. "Evaluation of Thermal properties of Cassava peel ash-incorporated Concrete." In 2024 International Conference on Science, Engineering and Business for Driving Sustainable Development Goals (SEB4SDG). IEEE, 2024. http://dx.doi.org/10.1109/seb4sdg60871.2024.10629737.

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Hall, Gary R., David E. Snider, and Luis F. Granes. "Polymer Concretes - a Value Added Solution to Corrosion in Chemical Processing and Petrochemical Industries." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06209.

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Abstract The most commonly used building material in the Chemical Processing and Petrochemical Industries is portland-based concrete. Concrete has the necessary mechanical properties for many applications in these industries, including process area floors, secondary containment dikes, and truck and rail car unloading pads, among others. Portland cement based concretes have one serious drawback. They are not corrosion-resistant and therefore require protection in the form of barrier coatings, linings or brickwork. Enter polymer concretes. Polymer concretes are materials whose binder is a corros
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Berndt, C. C., S. Reddy, and M. L. Allan. "Optimization of Thermal Spray Parameters for Cathodic Protection of Reinforcement in Concrete." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95012.

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Abstract Thermal spraying of zinc as an anode material is an effective means of providing cathodic protection to reinforced concrete. An empirical modeling technique was used to optimize the properties of the zinc coating and make the thermal spray parameterization efficient. The two properties optimized in this study were tensile adhesion strength of the coating, which gives a measure of durability; and deposition efficiency, which is a measure of the process efficiency and, therefore, the process economics. A novel single wire arc plasma system was used to apply the zinc coatings. The parame
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Covino, B. S., S. D. Cramer, S. J. Bullaid, G. R. Holcomb, W. K. Collins, and G. E. McGill. "Consumable and Non-Consumable Thermal Spray Anodes for Impressed Current Cathodic Protection of Reinforced Concrete Structures." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98658.

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Abstract A comparison is presented of some of the differences between thermal spray Zn, a consumable anode, and catalyzed thermal spray Ti, a non-consumable anode, used for impressed current cathodic protection of reinforced concrete structures. The thermal spray process for both Ti and Zn is compared using the spray parameters, atomizing gases, spray rate, and cost. The thermal spray Ti and Zn coatings are compared in terms of physical properties, composition, and structure. Results of accelerated. laboratory experiments are presented and comparisons between Ti and Zn are made on the effect o
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Covino, Bernard S., Sophie J. Bullard, Stephen D. Cramer, et al. "Interfacial Chemistry of Zinc Anodes for Reinforced Concrete Structures." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97233.

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Abstract Thermally-sprayed zinc anodes are used in both galvanic and impressed current cathodic protection systems for reinforced concrete structures. The Albany Research Center, in collaboration with the Oregon Department of Transportation, has been studying the effect of electrochemical aging on the bond strength of zinc anodes for bridge cathodic protection systems. Changes in anode bond strength and other anode properties can be explained by the chemistry of the zinc-concrete interface. The chemistry of the zinc-concrete interface in laboratory electrochemical aging studies is compared wit
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Da Costa Santos, Ana Caroline, and Paul Archbold. "Mechanical Properties and Fracture Energy of Concrete Beams Reinforced with Basalt Fibres." In 4th International Conference on Bio-Based Building Materials. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.316.

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Fibre-reinforced concrete (FRC) is widely employed in the construction industry, with assorted fibre types being used for different applications. Typically, steel fibres give additional tensile strength to the mixture, while flexible fibres may be used in large sections, such as floor slabs, to control crack width and to improve the handling ability of precast sections. For many reasons, including durability concerns, environmental impact, thermal performance, etc, alternatives to the currently available fibres are being sought. This study examines the potential of using basalt fibres, a miner
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Honoré, Mathilde, Thibaut Lecompte, and Sylvie Pimbert. "Properties of <i>Phragmites australis</i> for Insulating Concrete Application." In 4th International Conference on Bio-Based Building Materials. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.332.

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The common reed, Phragmites australis, is a plant species quite similar to the currently used bio-based aggregates and available on most continents. The purpose of this work is to characterise this common reed and compare its properties to other plants already studied for building use. This study presents the different properties focussing on Phragmites australis chemical composition, hydrophobicity nature and how this character could be explained. To that end, wettability and also water adsorption measurements were carried out on plant flour and aggregates in comparison to miscanthus, wood an
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Scuderi, Giuliana. "Seashells and Oyster Shells: Biobased Fine Aggregates in Concrete Mixtures." In 4th International Conference on Bio-Based Building Materials. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.146.

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The construction industry is the largest global consumer of materials, among which sand plays a fundamental role; now the second most used natural resource behind water, sand is the primary component in concrete. However, natural sand production is a slow process and sand is now consumed at a faster pace than it’s replenished. One way to reduce consumption of sand is to use alternative materials in the concrete industry. This paper reports the exploratory study on the suitability of aquaculture byproducts as fine aggregates in concrete mixtures. Seashell grit, seashell flour and oyster flour w
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"Polymer-Modified Concrete Overlays on Industrial Asphalt Floors." In SP-166: Properties and Uses of Polymers in Concrete. American Concrete Institute, 1996. http://dx.doi.org/10.14359/1402.

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Reports on the topic "Floors, Concrete Thermal properties"

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Baral, Aniruddha, Jeffery Roesler, and Junryu Fu. Early-age Properties of High-volume Fly Ash Concrete Mixes for Pavement: Volume 2. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-031.

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High-volume fly ash concrete (HVFAC) is more cost-efficient, sustainable, and durable than conventional concrete. This report presents a state-of-the-art review of HVFAC properties and different fly ash characterization methods. The main challenges identified for HVFAC for pavements are its early-age properties such as air entrainment, setting time, and strength gain, which are the focus of this research. Five fly ash sources in Illinois have been repeatedly characterized through x-ray diffraction, x-ray fluorescence, and laser diffraction over time. The fly ash oxide compositions from the sam
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Roberson, Madeleine, Kathleen Inman, Ashley Carey, Isaac Howard, and Jameson Shannon. Probabilistic neural networks that predict compressive strength of high strength concrete in mass placements using thermal history. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/44483.

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This study explored the use of artificial neural networks to predict UHPC compressive strengths given thermal history and key mix components. The model developed herein employs Bayesian variational inference using Monte Carlo dropout to convey prediction uncertainty using 735 datapoints on seven UHPC mixtures collected using a variety of techniques. Datapoints contained a measured compressive strength along with three curing inputs (specimen maturity, maximum temperature experienced during curing, time of maximum temperature) and five mixture inputs to distinguish each UHPC mixture (cement typ
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Baral, Aniruddha, Jeffrey Roesler, M. Ley, et al. High-volume Fly Ash Concrete for Pavements Findings: Volume 1. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-030.

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High-volume fly ash concrete (HVFAC) has improved durability and sustainability properties at a lower cost than conventional concrete, but its early-age properties like strength gain, setting time, and air entrainment can present challenges for application to concrete pavements. This research report helps with the implementation of HVFAC for pavement applications by providing guidelines for HVFAC mix design, testing protocols, and new tools for better quality control of HVFAC properties. Calorimeter tests were performed to evaluate the effects of fly ash sources, cement–fly ash interactions, c
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Wei, Fulu, Ce Wang, Xiangxi Tian, Shuo Li, and Jie Shan. Investigation of Durability and Performance of High Friction Surface Treatment. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317281.

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The Indiana Department of Transportation (INDOT) completed a total of 25 high friction surface treatment (HFST) projects across the state in 2018. This research study attempted to investigate the durability and performance of HFST in terms of its HFST-pavement system integrity and surface friction performance. Laboratory tests were conducted to determine the physical and mechanical properties of epoxy-bauxite mortar. Field inspections were carried out to identify site conditions and common early HFST distresses. Cyclic loading test and finite element method (FEM) analysis were performed to eva
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THE BENDING BEHAVIOR AND FREE VIBRATION OF THE CONCRETE-STEEL COMPOSITE FLOORS. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.3.3.

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The paper aims to investigate the bending behavior and free vibration of the concrete-steel composite floors, including high temperatures. The inspected properties are analyzed for the maximum displacement, load capacity, energy absorption capacity, and acceleration by using bending tests for varying stud density and elevated temperatures. Withal, bolts are used as studs throughout this study. The result of bending tests implies that, decreasing the spacing of the studs and the addition of mesh reinforcement and steel fiber will increase the energy absorption and maximum load capacity of the s
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FINITE ELEMENT SIMULATION FOR ULTRA-HIGH-PERFORMANCE CONCRETE-FILLED DOUBLE-SKIN TUBES EXPOSED TO FIRE. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.263.

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Ultra-high-performance concrete (UHPC) or ultra-high-strength concrete (UHSC) are alternatively used to reduce construction materials, thereby achieving more sustainable constructions. Moreover, engaging the advantages of concrete cores and outer steel tubes in concrete-filled steel tubes (CFST) or ductile concrete-filled double-skin tubes (CFDST) is of great interest for the better performance of such members under fire. Nevertheless, current design provisions do not provide design models for UHPC-filled double-skin tubes under fire, and existing finite-element (FE) methodologies available in
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