Optimizing the content and gradation of recycled tyre rubber particles to improve cracking resistance of concrete mortars

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dc.contributor.advisorBeushausen, Hans-Dieteren_ZA
dc.contributor.advisorAlexander, Mark Gavinen_ZA
dc.contributor.authorTsoana, Molefe Donalden_ZA
dc.date.accessioned2015-08-14T14:26:22Z
dc.date.available2015-08-14T14:26:22Z
dc.date.issued2015en_ZA
dc.description.abstractConcrete structures are designed to be sustained for a specific service life time. When some of these structures age, they undergo deterioration due to their exposure to harsh environmental conditions and thus their structural and aesthetic functionalities get compromised. In order to restore such functionalities, concrete structures can be rehabilitated or repaired using concrete mortars as overlays (Vaysburd et al., 2012). On application, the concrete mortars usually experience substantial differential shrinkage that causes the build-up of internal tensile stress. Shrinkage cracking often happens if the concrete mortar does not exhibit sufficient tensile strength to sustain these stresses. The ingress of aggressive agents that may cause further deterioration on structure becomes easier (Shazali et al., 2012). The cracking resistance of concrete mortars has thus become a major concern in repair and rehabilitation of concrete structures. The literature suggests that the performance of concrete mortars could be improved by enhancing the material properties that influence their cracking resistance. A large amount of research exists pertaining to the use of rubber particles in concrete mixes to improve their cracking resistance. However, no research was found regarding the influence of optimizing recycled tyre rubber particle grading and content in concrete mortar mixes in particular. This research investigated the influence of optimizing recycled tyre rubber particle grading and content in various concrete mortar mixes to improve their cracking resistance.en_ZA
dc.identifier.apacitationTsoana, M. D. (2015). <i>Optimizing the content and gradation of recycled tyre rubber particles to improve cracking resistance of concrete mortars</i>. (Thesis). University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Civil Engineering. Retrieved from http://hdl.handle.net/11427/13725en_ZA
dc.identifier.chicagocitationTsoana, Molefe Donald. <i>"Optimizing the content and gradation of recycled tyre rubber particles to improve cracking resistance of concrete mortars."</i> Thesis., University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Civil Engineering, 2015. http://hdl.handle.net/11427/13725en_ZA
dc.identifier.citationTsoana, M. 2015. Optimizing the content and gradation of recycled tyre rubber particles to improve cracking resistance of concrete mortars. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Tsoana, Molefe Donald AB - Concrete structures are designed to be sustained for a specific service life time. When some of these structures age, they undergo deterioration due to their exposure to harsh environmental conditions and thus their structural and aesthetic functionalities get compromised. In order to restore such functionalities, concrete structures can be rehabilitated or repaired using concrete mortars as overlays (Vaysburd et al., 2012). On application, the concrete mortars usually experience substantial differential shrinkage that causes the build-up of internal tensile stress. Shrinkage cracking often happens if the concrete mortar does not exhibit sufficient tensile strength to sustain these stresses. The ingress of aggressive agents that may cause further deterioration on structure becomes easier (Shazali et al., 2012). The cracking resistance of concrete mortars has thus become a major concern in repair and rehabilitation of concrete structures. The literature suggests that the performance of concrete mortars could be improved by enhancing the material properties that influence their cracking resistance. A large amount of research exists pertaining to the use of rubber particles in concrete mixes to improve their cracking resistance. However, no research was found regarding the influence of optimizing recycled tyre rubber particle grading and content in concrete mortar mixes in particular. This research investigated the influence of optimizing recycled tyre rubber particle grading and content in various concrete mortar mixes to improve their cracking resistance. DA - 2015 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2015 T1 - Optimizing the content and gradation of recycled tyre rubber particles to improve cracking resistance of concrete mortars TI - Optimizing the content and gradation of recycled tyre rubber particles to improve cracking resistance of concrete mortars UR - http://hdl.handle.net/11427/13725 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/13725
dc.identifier.vancouvercitationTsoana MD. Optimizing the content and gradation of recycled tyre rubber particles to improve cracking resistance of concrete mortars. [Thesis]. University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Civil Engineering, 2015 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/13725en_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.titleOptimizing the content and gradation of recycled tyre rubber particles to improve cracking resistance of concrete mortarsen_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMSc (Eng)en_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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