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Rozprawy doktorskie na temat „Recycled material concrete”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Gonçalves, Rodrigo Dantas Casillo. "Agregados reciclados de resíduos de concreto: um novo material para dosagens estruturais." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-06052016-150748/.

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A maioria dos processos de fabricação de um produto geram resíduos. Quando não se dispõem de uma tecnologia para o seu reaproveitamento, certamente este material será depositado na natureza e poderá ocasionar inúmeros problemas ambientais. Este trabalho trata da reutilização dos resíduos de concreto como agregado, para dosagens de concreto estrutural. Na maioria das vezes, os agregados provenientes de resíduos são considerados materiais de baixa qualidade, isso ocorre pelo desconhecimento de suas propriedades e da tecnologia para seu emprego. Fazendo uma pesquisa bibliográfica, teórica e exper

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Blankenagel, Brandon J. "Characterization of Recycled Concrete for use as Pavement Base Material." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd1001.pdf.

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Barisanga, Fabrice. "Material characterisation and response modelling of recycled concrete and masonry in pavements." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86201.

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Thesis (MEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: The global quest for sustainability has intensified the requirement for waste recycling in a number of countries. Waste recycle includes Construction and Demolition Waste (CDW), which emanates from the demolition of buildings and other civil engineering structures. In Europe, the United States, China, and Australia, waste recycling has proven to be successful, both structurally and functionally. In particular, the consideration and /or use of CDW in pavement layers remain on the increase. However, in Southern Africa the use and

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Penny, Julie Elizabeth. "An evaluation of heated reclaimed asphalt pavement (RAP) material and wax modified asphalt for use in recycled hot mix asphalt (HMA)." Worcester, Mass. : Worcester Polytechnic Institute, 2007. http://www.wpi.edu/Pubs/ETD/Available/etd-010807-113145/.

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Batmunkh, Narantuya. "Engineering characteristics of construction waste for Western Australian road and highway materials." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1839.

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This study examines the use of concrete waste by-products as a new source of road construction material in Western Australia (WA). The amount of construction waste in Western Australia increases annually, whilst natural rock aggregate is in shortage.This research focuses on whether recycled concrete, derived from various sources such as by-products from the processes of manufacturing ready-mixed concrete and waste from construction and demolition (C&D), is a viable option for use as a base and sub-base course material in road building in WA.A series of laboratory tests were conducted to determ

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Latterza, Luciano de Mello. "Concreto com agregado graúdo proveniente da reciclagem de resíduos de construção e demolição: um novo material para fabricação de painéis leves de vedação." Universidade de São Paulo, 1998. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-21122017-120645/.

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Este trabalho investiga o potencial de utilização do entulho de construção e demolição, C&D, triturado na estação de reciclagem de entulhos de Ribeirão Preto - SP, como agregado graúdo no preparo de concretos de baixa e média resistências. A utilização da fração graúda, compreendida entre 4,8 mm < Dmáx < 19,0 mm, para substituir parcialmente ou totalmente o agregado graúdo graduado como brita 0 e brita 1 (NBR 7211/82), pode resultar em uma significativa economia na execução de componentes urbanos e habitacionais para construções de interesse social. O presente trabalho apresenta as característ

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Rad, Taghi. "Microstructural characteristics of recycled cementitious materials." Thesis, University of Hertfordshire, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340038.

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Huapaya, Tenazoa Diego Andrés, and Farromeque Joffrey Itamar Valdivia. "Uso de vidrio reciclado como adición en la elaboración de concreto f’c=315 kg/cm2 para obras portuarias." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/628257.

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En la actualidad las cantidades de residuos han incrementado con el pasar de los años, convirtiéndose en una amenaza grave para el medio ambiente. Esto ha generado que reciba mayor atención por las autoridades e investigadores a nivel global, proponiendo usos respetuosos con el medio ambiente de estos residuos, los cuales han ido desarrollando y mejorando en los últimos años. Este estudio profundiza en el posible uso del residuo de vidrio plano como una solución sostenible, al ser adicionados en el concreto. Para esto, se hicieron diseños de mezcla con diferentes cantidades de vidrio pulveriza

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Krezel, Zbigniew Adam, and n/a. "Recycled aggregate concrete acoustic barrier." Swinburne University of Technology, 2006. http://adt.lib.swin.edu.au./public/adt-VSWT20060821.154340.

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This document reports on a research project aimed at developing a concrete acoustic barrier made from Recycled Aggregate (RA) Concrete. The research project was undertaken in response to the needs expressed by the Victorian concrete recycling industry. The industry, the scientific community conducting research into relevant disciplines, and the community at large, represented by Victorian government agencies, are of the opinion that there is a need to devise a higher value utilisation application for selected concrete recycling products. This document outlines the rationale and objectives of t

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Krezel, Zbigniew Adam. "Recycled aggregate concrete acoustic barrier." Australasian Digital Theses Program, 2006. http://adt.lib.swin.edu.au/public/adt-VSWT20060821.154340.

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Thesis (PhD) - Swinburne University of Technology, 2006.<br>Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Civil Engineering, Swinburne University of Technology - 2006. Typescript. Includes bibliographical references.

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Svrčina, Vít. "Využití asfaltových a betonových recyklátů do pozemních komunikací." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227257.

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Currently it is important to address the re-use of building materials from construction reconstructed or upgraded roads. Commonly used technologies cold and hot asphalt recycling are starting using to complement with technologies using cold asphalt mixtures with rejuvinators or softeners. This type of asphalt mixtures could be used in pavement constructions with lower traffic load. This thesis deals with the design and laboratory assessment of unbound and bound mixtures R-material and recycled concrete. This thesis is experimentally testing the possibility of using functional tests to optimize

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Palmquist, Shane M. "Compressive behavior of concrete with recycled aggregates /." Thesis, Connect to Dissertations & Theses @ Tufts University, 2003.

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Thesis (Ph.D.)--Tufts University, 2003.<br>Adviser: Daniel C. Jansen. Submitted to the Dept. of Civil Engineering. Includes bibliographical references (leaves 146-152). Access restricted to members of the Tufts University community. Also available via the World Wide Web;

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Fung, Wing-kun. "The use of recycled concrete in construction." Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B30517643.

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Younis, Khaleel Hassan. "Restrained shrinkage behaviour of concrete with recycled materials." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/5966/.

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The construction industry is responsible for some of the most serious sustainability and environmental issues the world is currently facing. Recycled materials such as recycled aggregate (RA) -generated from processed construction waste- and recycled tyre steel fibres (RTSF) -extracted from post-consumer tyres- in new constructions can potentially conserve natural aggregates (NA), eliminate unnecessary consumption of limited landfill areas and reduce energy consumption. However, the variability in the characteristics of recycled materilas, and the low density, high water absorption and porosit

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Vašek, Tomáš. "Testování možností využívání druhotných surovin jako náhrady přírodních kameniv." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226736.

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Master's thesis consists of two parts, theoretical and practical. In the theoretical section are listed basic information about alternative aggregates used for concrete mixture, like polystyrene, cinder and recycled concrete. Further, the influence of these alternative aggregates, used as secondary raw materials, on the behaviour and properties of fresh respectively hardened concrete. Possibilities of application concrete containing secondary raw materials are mentioned. In the practical part are experimentally verified physical and mechanical properties of concrete containing crushed waste po

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Fung, Wing-kun, and 馮永根. "The use of recycled concrete in construction." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B30517643.

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Vu, Quoc Hung. "Modelling pollutants leaching from recycled construction materials." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/130795/1/Quoc%20Hung_Vu_Thesis.pdf.

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This research developed new models to replicate metal leaching characteristics from recycled concrete aggregate (RCA) and reclaimed asphalt pavement (RAP). Model development was supported by a comprehensive experimental and analytical program with multiple influential factors. New models were developed so that they are readily applicable in commercial models to replicate pollutant leaching and solute transport in soil environments. Outcomes of this study will enhance the sustainable use of waste products such as RCA and RAP in the construction industry and relieve the stresses on natural quarr

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Bouarroudj, Mohamed ElKarim. "Utilisation de matériaux naturels modèles pour la formulation de mortier contenant des sables et des fines de granulats recyclés." Thesis, Ecole nationale supérieure Mines-Télécom Lille Douai, 2019. http://www.theses.fr/2019MTLD0016.

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Les granulats de béton recyclé (GBR) ne sont pas suffisamment utilisés dans le secteur de la construction, principalement en raison de leur grande capacité d’absorption d’eau. Ces matériaux sont en effet composés de granulats naturels concassés et de pâte de ciment durcie adhérente qui possède une forte porosité. La première partie de ce travail de recherche s’intéresse à la valorisation des GBR de dimensions inférieures à 4 mm (sables recyclés) dans une formulation de mortier. Les comportements à l’état frais et durci de mortiers fabriqués soit avec un sable recyclé soit avec un sable naturel

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Molli, Bala Kiran. "Construction and demolition waste management in India, sustainable measures, methodologies to estimate and control waste." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24194/.

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Construction waste management is critical today. One of the most serious issues confronting the building industry is the scarcity of aggregate for the manufacturing of concrete. Wasted construction materials resulted in significant financial losses for builders, contractors, regional governments, and the country. Because the waste generated by demolition of structures is greater than the waste generated during development, there is a need for Construction and Demolition Management (C & D) In India, wastes, as opposed to Municipal Solid Wastes, is a relatively new topic. To begin with, there is

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Hayles, Meika. "Investigation Into the Mechanical Properties and Structural Behaviour of Recycled Concrete Members." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37801.

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Recycled concrete aggregates (RCA) are an eco-sustainable alternative to traditional aggregates. The equivalent mortar volume method has been developed to design RCA concrete with comparable mechanical and strength properties to natural aggregate concrete by accounting for the adhered mortar that distinguishes RCA from natural aggregates. This method also presents an opportunity to reduce the cement content of RCA concrete, increasing its cement efficiency. Modifications to mix design procedures were introduced to improve the fresh state properties of RCA concrete with a 19% cement reduction c

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Nguyen, Vu Nam. "Valorisation de fines et granulats issus de bétons recyclés comme matériaux cimentaires : Enhancement of fine and aggregate issued from recycled concrete as cementitious materials." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30058/document.

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La consommation de béton devient de plus en plus importante en raison d'une urbanisation accrue nécessitant la réhabilitation et la construction de bâtiments et d'infrastructures. Néanmoins, la production de béton qui doit accompagner le développement urbain entraîne des problèmes environnementaux relatifs à la préservation des ressources naturelles qui ne sont pas inépuisables. Malgré des efforts de recyclage, la plupart des matériaux recyclés sont généralement utilisés pour les travaux routiers ou de remblai. En s'inscrivant dans le Projet National Recybéton (PN), ce travail de thèse a pour

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Albuquerque, Albéria Cavalcanti de. "Estudo das propriedades de concreto massa com adição de partículas de borracha de pneu." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/16484.

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O aproveitamento de partículas de pneus inservíveis no concreto tem sido objeto de estudo de diversos pesquisadores, pois se justifica como uma alternativa atraente de disposição desses resíduos ao mesmo tempo em que resulta em modificações das propriedades do concreto que podem ser benéficas para certas aplicações, que requerem características específicas, tais como maior capacidade de deformação e comportamento à fratura menos frágil do que o concreto convencional. Essas características do concreto com borracha de pneu (CBP) podem ser interessantes para a redução do risco de fissuração de co

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Jiménez, Fernández Cristián. "Sustainability concepts applied to the design of recycled aggregates concrete." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/318162.

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Due to the related problems and the ongoing awareness on environmental issues is that efforts are put in different areas of knowledge, in order to determine, analyze and formulate solutions towards a sustainable future. Among these problems, there are the ones related with the use of concrete in the construction sector. These are essentially related to the natural resources used for their production and to the manufacture of cement, one of its most important components. As of today, one of the solutions is recycling the concrete for the production of aggregates, which can be used in the elabo

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Jayakody, Arachchige Shiran Pradeep. "Investigation on characteristics and performance of recycled concrete aggregates as granular materials for unbound pavements." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/78131/1/Shiran%20Pradeep_Jayakody%20Arachchige_Thesis.pdf.

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This research was a step forward in investigating the characteristics of recycled concrete aggregates to use as an unbound pavement material. The results present the guidelines for successfully application of recycled concrete aggregates in high traffic volume roads. Outcomes of the research create more economical and environmental benefits through reducing the depletion of natural resources and effectively manage the generated concrete waste before disposal as land fill.

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FRANCESCONI, LORENA. "New building materials in structural engineering: “Structural concretes made with Coarse and Fine recycled aggregates”." Doctoral thesis, Università degli Studi di Cagliari, 2012. http://hdl.handle.net/11584/266080.

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With more than three tons per head, per year, concrete is the most important and widespread material used in construction worldwide. The Italian code allows the use of waste produced by construction and demolition (C&D) operations to produce recycled aggregates. The great interest, both technical-economic and environmental aroused by this subject has in recent years and all over the world led to a noteworthy increase in experimental and theoretical studies on recycled materials resulting from the construction sector and, in particular, on recycled aggregates. The possibility of utilizing recyc

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Lynch, Alan Gerald. "Trends in back-calculated stiffness of in-situ recycled and stabilised road pavement materials." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85857.

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Thesis (MEng)-- Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Two common methods of road pavement, granular material stabilisation used in road construction throughout South Africa today include Cold in Place Recycling (CIPR) and stabilisation with cement or bitumen and an active filler to create Bitumen Stabilised Materials (BSM). As part of the updating of the South African Pavement Design Method (SAPDM) an experimental section, investigating the structural capacity of cement and lime stabilised and BSM pavement layers, was constructed and will be monitored over a two year period.

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Moreira, Kelvya Maria de Vasconcelos. "Concreto autoadensÃvel com agregados graÃdos reciclados de concreto." Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=11616.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>O Concreto AutoadensÃvel (CAA) possui propriedades intrÃnsecas que o distingue do atual concreto convencional. SÃo fatores como capacidade de autoadensamento, grande quantidade de finos e uso obrigatÃrio de aditivo superplastificante que tornam o CAA um material de elevado desempenho, favorÃvel para a durabilidade, sendo considerado uma evoluÃÃo na tecnologia do concreto e propenso a se tornar o concreto convencional do futuro. Por outro lado, o resÃduo originÃrio da prÃpria indÃstria da construÃÃo civil tem despertado sÃrias preoc

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Cordeiro, Luciana de Nazaré Pinheiro. "Análise dos parâmetros principais que regem a variabilidade de concretos produzidos com agregados graúdos reciclados de concreto." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2013. http://hdl.handle.net/10183/96512.

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A cadeia produtiva da construção civil exerce grande influência na macroeconomia de um país. Em contrapartida, este setor destaca-se pelo consumo indiscriminado de matérias-primas não renováveis, processos produtivos ineficientes, além de uma grande quantidade de resíduos gerados. A reciclagem de materiais de construção desempenha um papel importante para a sustentabilidade visto que se tem a conservação dos recursos naturais e a redução de áreas para aterro. O foco principal dessa pesquisa é o estudo de resíduos de construção e demolição, mais especificamente os agregados graúdos reciclados d

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Machado, Petterson Borges. "Utilização de descarte de resíduos têxtil (poliamida/poliester), como agregado, em concreto." Universidade do Estado do Rio de Janeiro, 2015. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=8554.

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Neste trabalho são apresentadas algumas características físicas, vantagens e viabilidade do uso do pó de tecido, proveniente do processamento de resíduos têxteis que são descartados em confecções em geral. A produção e utilização desse tipo de pó diminui o impacto ambiental e se mostra viável economicamente, pois é produzido facilmente a partir do processamento de resíduos, que seriam descartados na natureza. O presente trabalho mostra o estudo da produção do pó de tecido e a sua substituição parcial do agregado miúdo natural na produção de concretos de cimento Portland convencionais. Para com

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Lambert, John Peter. "Novel assessment test for granular road foundation materials." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/3099.

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Drivers for sustainability have made it necessary for the construction industry to adapt its traditional processes to become both more efficient and produce less waste. Performance based design and specification in the UK for motorways and trunk roads permits a very flexible approach to pavement design, material selection and performance related testing aimed at utilising materials to their maximum potential. However, it is clear that within the emerging philosophy of using materials that are 'fit for purpose' there are many technical challenges for design and specification. There is a need to

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Garth, John Stuart. "Experimental Investigation of Lateral Cyclic Behavior of Wood-Based Screen-Grid Insulated Concrete Form Walls." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1857.

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Insulated concrete forms (ICFs) are green building components that are primarily used for residential wall construction. Unlike most polystyrene based ICF variants, the Faswall ICFs used in these experiments were significantly denser because they were made from recycled wood particles and cement. The current design approach for structures constructed with this type of wall form only allows the designer to consider the contribution of the reinforced concrete cores. Previous research has shown that this approach may be conservative. This project experimentally evaluated the lateral structural re

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Šperka, Pavel. "Vliv použití R - materiálu na funkční vlastnosti asfaltových směsí." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227637.

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Diploma thesis deals with the topic of using recycled material in the production of asphalt mixtures. In the theoretical part the methods of recycling flexible pavement are described and as well as ways in which recycled material is added to asphalt mixtures produced by the stationary hot mix plant. The thesis also deals with the current state of recycled material use in the Czech Republic and the reasons for its possible greater use. The practical part of the thesis studies the effect of using the amount of 20% recycled material to asphalt mixtures of asphalt concrete for wearing course ACO11

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Morais, Tiago Alves. "Estudo do uso do agregado miÃdo reciclado de concreto na produÃÃo de argamassa para revestimento vertical." Universidade Federal do CearÃ, 2011. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7814.

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A utilizaÃÃo do agregado miÃdo gerado a partir da reciclagem do entulho de concreto apresenta vantagens sob o aspecto econÃmico, uma vez que a areia reciclada tem o custo menor do que a areia natural. AlÃm disso, hÃ um ganho ambiental devido Ã substituiÃÃo da areia de rio e/ou de morro pela areia reciclada, resultando uma diminuiÃÃo dos danos causados pela deposiÃÃo irregular do entulho, tais como o assoreamento de rios e cÃrregos. Avaliar argamassas de revestimento vertical quando se substitui gradativamente o cimento pela cal hidratada e agregados miÃdos naturais por agregados miÃdos recicla

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Faneca, Llesera Gerard. "Desarrollo de hormigones conductores con adición de fibras de carbono recicladas." Doctoral thesis, Universitat Politècnica de Catalunya, 2020. http://hdl.handle.net/10803/669280.

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Inside the studies of intelligent materials and considering concrete as one of the most building material used, getting new functionalities to him, would provide new uses and applications to the usual structural or facing purposes. Factor that would allow the material to evolve while maintaining its validity in new challenges that arise in infrastructure areas, such as the smart city, mobility, self-sensing of structures and other possible applications still to be developed. With this objective marked and introducing factors such as sustainability and medium-term industrialization, this thes

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Brodin, Sandra, and Kasper Moberg. "Återanvända och återvinna byggnadsmaterial : En undersökning av materialen trä och betong ur byggnadsstommen." Thesis, Högskolan i Gävle, Avdelningen för byggnadsteknik, energisystem och miljövetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-33391.

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I denna rapport undersöks återanvändnings- och återvinningspotentialen för stommaterial ur byggnader i Sverige. De två materialen som har undersökts är betong och trä. Rapporten innehåller en litteraturstudie över återanvändning och återvinning. En fallstudie har även utförts på två byggnader. Den första byggnaden är ett småhus med träkonstruktion. Den andra byggnaden är ett flerbostadshus med betongkonstruktion. Byggsektorn står för stora mängder utsläpp och har en stor påverkan på miljön. Av allt material som ligger på deponi står byggbranschen för ca 35 % av allt material. Ett alternativ fö

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Lovato, Patrícia Silveira. "Verificação dos parâmetros de controle de agregados reciclados de resíduos de construção e demolição para utilização em concreto." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/10609.

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A construção civil consome grande quantidade de recursos naturais, energia e gera 50% do total de resíduos produzidos no mundo. A reciclagem dos resíduos de construção e demolição é uma prática de grande importância para o ambiente, uma vez que ela constitui uma alternativa para reduzir o impacto ambiental causado pelo setor. Nos diversos estudos já desenvolvidos quanto à utilização dos resíduos de construção e demolição em concreto não se observa um consenso com relação ao desempenho destes concretos. Uma das causas dessa diversidade de resultados é a grande variabilidade na composição dos ag

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Cooley, Dane A. "Effects of Reclaimed Asphalt Pavement on Mechanical Properties of Base Materials." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd1094.pdf.

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Kropáč, Pavel. "Recyklované kamenivo do asfaltových směsí pozemních komunikací." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226041.

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This thesis deals with the theoretical part of the creation, distribution and recycling of construction and demolition waste. Subsequently covers made from these recycled construction and demolition waste and its potential application in structural layers of the pavement. In the practical part of the thesis deals with monitoring the overall properties of nine asphalt mixtures with different proportion of recycled concrete aggregate and asphalt binder, which are designed and intended for bed asphalt pavement. The recycled concrete aggregate and asphalt are performed various laboratory tests, th

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BELLI, ALBERTO. "Comparison between Commercial and Recycled Carbon-Based Fillers and Fibers for the Development of Smart and Sustainable Multifunctional Mortars." Doctoral thesis, Università Politecnica delle Marche, 2019. http://hdl.handle.net/11566/263335.

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La società moderna è in gran parte fondata sulle infrastrutture che garantiscono la fornitura di beni, trasporti e mezzi di comunicazione. La loro salvaguardia e il risparmio delle risorse necessarie per il loro funzionamento è di crescente importanza per l’Ingegneria civile. Per questo motivo, la ricerca sui materiali da costruzione si sta concentrando sul riutilizzo di sottoprodotti industriali riciclati, per un’industria edilizia più sostenibile. L’Ingegneria dei materiali, grazie al recente sviluppo di nanomateriali ad alte prestazioni, propone molteplici spunti per la realizzazione di mat

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Ondříčková, Pavlína. "Vývoj nové technologie pískového pórobetonu s využitím druhotných surovin." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372266.

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Autoclaved sand aerated concrete is a modern building material with high thermal insulation properties. Only sand is used as the primary silicate component of aerated concrete in the Czech Republic. For the more favourable economic and ecological properties of aerated concrete, the use of secondary raw materials is used in this work. The secondary raw materials examined included fluidized bed and fly ash, slag and glass recycled. The aerated concrete composite with secondary admixtures was developed under hydrothermal conditions of a laboratory autoclave for 7 and 12 hours at 190°C. From the s

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Smith, James Trevor. "Recycled Concrete Aggregate – A Viable Aggregate Source For Concrete Pavements." Thesis, 2009. http://hdl.handle.net/10012/4900.

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Virgin aggregate is being used faster than it is being made available creating a foreseeable shortage in the future. Despite this trend, the availability of demolished concrete for use as recycled concrete aggregate (RCA) is increasing. Using this waste concrete as RCA conserves virgin aggregate, reduces the impact on landfills, decreases energy consumption and can provide cost savings. However, there are still many unanswered questions on the beneficial use of RCA in concrete pavements. This research addresses the many technical and cost-effective concerns regarding the use of RCA in c

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Huang, Shih-fang, and 黃世芳. "Preliminary Study of Concrete Property Using Recycled Aggregate with Crushed Masonry Material." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/17107646763575565144.

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博士<br>朝陽科技大學<br>營建工程系碩士班<br>99<br>Construction projects in many populated metropolitan areas have produced tremendous amount of construction waste such as masonry block which has been widely used as a major building material in the Taiwan region. The use of this masonry material as a recycled resource is essential for the purposes of environmental protection and self-sustaining management in the region where resource of natural material is limited for construction projects. Crushed masonry blocks collected from construction sites were used in the study as a recycled material substituted for n

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You, Jing-Nian, and 游景年. "The Field Verification of Cold Mix Recycled Asphalt Concrete as Pipeline Backfill Material." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/94097007293801309204.

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碩士<br>國立中央大學<br>土木工程學系<br>105<br>Taiwan pipelines for gas and daily needs are buried on the road and need a routine maintenance. Moreover, pipeline maintenance project also need to do in the short time due to traffic opening to avoid the rush hour and resulting in low construction and maintenance quality, uneven surface and premature damage. In recent years, Taiwan has been facing the lack of natural resources and accumulation of disposal material especially for Recliamed Asphalt Pavement(RAP). Therefore, excavation process due to pipeline maintenance become one of the contributor of the dispo

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Guo, Shuen-Jie, and 郭順傑. "Effect of Precoating Material on the Aggregate Property and Pavement Performance of Asphalt Conctete with Recycled Concrete Aggregate." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/10362481412847244433.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>97<br>The objective of this study was to use the pozzolan-cement as the precoating material of the recycled aggregate(called recycled aggregate precoating).To explore the Precoating material for recycled concrete aggregate the impact on practicabulity of application of asphalt pavement. Study the use of cement asphalt paste mix asphalt pavement made of different types of semi-rigid asphalt concrete (Experimental Group), and then proceed to test the mechanical properties, pavement performance , durability and acoustic propertues of the pilot, and with the traditional

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Panda, Bindushree. "Optimised Proportion of Recycled Concrete Aggregates (RCA) and Blast Furnace Slag as Granular Subbase (GSB) Material in Pavement." Thesis, 2016. http://ethesis.nitrkl.ac.in/9160/1/2016_MT_BPanda.pdf.

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Due to rapid industrialization, the waste product are also being generated in huge quantity which occupies large quantity of precious land as well as creating environmental problems. Recycled Concrete Aggregates (RCA) which is generated as a part of Construction and Demolition material. Similarly, Blast furnace slag is the waste product of steel industry. As the construction of pavements require a huge amount of aggregates, the replacement of part of fresh aggregates with mixture of Recycled Concrete Aggregates (RCA) Blast furnace slag and will be very beneficial considering the scarcity of fr

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Ho, Hsin-Lung, and 何信隆. "Application of Recycled Materials in Green Concrete." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/s52gn8.

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博士<br>國立臺灣海洋大學<br>材料工程研究所<br>106<br>Abstract This study is divided into two parts (1)coated fine recycled concrete aggregates (FRCA) with fly ash, slag powder, or polyvinyl alcohol (PVA) were produced and substituted 25% fine aggregate of concrete. Properties of fresh concrete and hardened concrete with various coating materials and coating thicknesses were evaluated; (2) green pervious concretes with water-quenched blast-furnace slag (BFS) and co-fired fly ash (CFFA) from circulating fluidized bed combustion (CFBC) as non-cement inorganic binder were studied. Specific particle size of coars

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JR, LIAU CHUEN, and 廖惇治. "Research of Brick Materials Applied on Recycled Concrete." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/64947619079859023655.

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碩士<br>國立中興大學<br>土木工程學系<br>89<br>Domestic metropolitan regions annually produce a large amount of construction waste. In light of recycling resources and saving social costs, this article intends to smash the construction waste to be used as mixing aggregate. It will explore the effect of recycled coarse aggregate, recycled fine aggregate and their brick contents on the recycled aggregate concrete mechanical characteristic. Results show that brick contents in recycled aggregate have a limited influence on recycled concrete mechanical characteristic. Therefore, this article recommends

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Adams, Matthew P. "Alkali-silica reaction in concrete containing recycled concrete aggregates." Thesis, 2012. http://hdl.handle.net/1957/27864.

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Using recycled concrete aggregate (RCA) as a replacement for natural aggregate in new concrete is a promising way to increase the overall sustainability of new concrete. This has been hindered, however, by a general perception that RCA is a sub-standard material due to the lack of technical guidance, specifically related to long-term durability, on incorporating RCA into new concrete. The goal of this research project was to determine whether current testing methods could be used to assess the potential alkali-silica reactivity of concrete incorporating RCA. The test methods investigated were

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Sahoo, Kirtikanta. "Studies on Concrete Made of Recycled Materials for Sustainability." Thesis, 2016. http://ethesis.nitrkl.ac.in/8478/1/2017-PhD-KSahoo-512CE1005.pdf.

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Construction industry uses Portland cement which is known to be a heavy contributor to the CO2 emissions and environmental damage. Incorporation of industrial wastes like demolished old concrete, silica fume (SF) and fly ash (FA) as supplementary cementing materials (SCMs) could result in a substantial reduction of the overall CO2 footprint of the final concrete product. However, use of these supplementary materials in construction industry especially in the making of concrete is highly challenging. Significant research efforts are required to study the engineering properties of concrete incor

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Shiu, Jen-Shiuan, and 徐振軒. "A Study of Asphalt Concrete Material Added with Recycle Agent." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/54254494488221826277.

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碩士<br>國立中興大學<br>土木工程學系所<br>94<br>Because the lack of sandstone and used again of resources, the use of regenerated asphalt concrete is a tendency in the future. The government sets into action, provide the use of recycle materials can’t over 40% in the design. But in asphalt mixed factory, over used of recycle materials is common. Because the recycle materials should be used carefully for pavement recycle materials with high viscosity. When the capacity of recycle materials is too much, it often caused the damage in pavement. Thus the use carefully of recycle materials is the most important to

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