A framework towards the design of more sustainable concrete structures

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dc.contributor.advisorAlexander, Mark Gavinen_ZA
dc.contributor.authorMuigai, Rachel Njerien_ZA
dc.date.accessioned2015-07-03T07:54:23Z
dc.date.available2015-07-03T07:54:23Z
dc.date.issued2014en_ZA
dc.descriptionIncludes bibliographical references.en_ZA
dc.description.abstractThe main contribution of this study is the development of a novel framework for the design of reinforced concrete (RC) structures which aims at ensuring that future RC structures have the lowest possible carbon footprint, energy use and impact on the environment. The key focus of the study is on structural design where there is a lack of grasp of materials aspects, and environmental aspects of construction. In the proposed framework, a set of quantifiable design parameters and variables (binder type, concrete grade, diffusivity, concrete cover depth, area of steel in the structural component) are selected with respect to a set of performance measures which cover the functionality and availability of the structure to the user during its service life. The outputs generated from the framework are optimised material types and properties which not only meet the design performance requirements but also lead to minimised life-cycle environmental impacts. Two case studies are used to demonstrate the proposed design methodology. These include a reinforced concrete frame building and a post-tensioned box girder. The application of the framework for design in the material specifications showed a reduced volume of materials in construction compared to the current materials and structures design practice.en_ZA
dc.identifier.apacitationMuigai, R. N. (2014). <i>A framework towards the design of more sustainable concrete structures</i>. (Thesis). University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Civil Engineering. Retrieved from http://hdl.handle.net/11427/13305en_ZA
dc.identifier.chicagocitationMuigai, Rachel Njeri. <i>"A framework towards the design of more sustainable concrete structures."</i> Thesis., University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Civil Engineering, 2014. http://hdl.handle.net/11427/13305en_ZA
dc.identifier.citationMuigai, R. 2014. A framework towards the design of more sustainable concrete structures. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Muigai, Rachel Njeri AB - The main contribution of this study is the development of a novel framework for the design of reinforced concrete (RC) structures which aims at ensuring that future RC structures have the lowest possible carbon footprint, energy use and impact on the environment. The key focus of the study is on structural design where there is a lack of grasp of materials aspects, and environmental aspects of construction. In the proposed framework, a set of quantifiable design parameters and variables (binder type, concrete grade, diffusivity, concrete cover depth, area of steel in the structural component) are selected with respect to a set of performance measures which cover the functionality and availability of the structure to the user during its service life. The outputs generated from the framework are optimised material types and properties which not only meet the design performance requirements but also lead to minimised life-cycle environmental impacts. Two case studies are used to demonstrate the proposed design methodology. These include a reinforced concrete frame building and a post-tensioned box girder. The application of the framework for design in the material specifications showed a reduced volume of materials in construction compared to the current materials and structures design practice. DA - 2014 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2014 T1 - A framework towards the design of more sustainable concrete structures TI - A framework towards the design of more sustainable concrete structures UR - http://hdl.handle.net/11427/13305 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/13305
dc.identifier.vancouvercitationMuigai RN. A framework towards the design of more sustainable concrete structures. [Thesis]. University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Civil Engineering, 2014 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/13305en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Civil Engineeringen_ZA
dc.publisher.facultyFaculty of Engineering and the Built Environment
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherCivil Engineeringen_ZA
dc.titleA framework towards the design of more sustainable concrete structuresen_ZA
dc.typeDoctoral Thesis
dc.type.qualificationlevelDoctoral
dc.type.qualificationnamePhDen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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