Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Mechanical properties of recycled aggregate concrete containing crumb rubber and polypropylene fiber
https://orcid.org/0000-0001-7046-9160
https://orcid.org/0000-0002-9092-1473
Highlights Performance of rubberized concrete with RCA and polypropylene fiber is studied. Properties of rubberized concrete with RCA and polypropylene fiber are experimentally investigated. Concrete with 30% RCA, 5% CR and 2% fiber shows the highest toughness/ductility. Mechanical properties of the developed concrete are compared with code equations.
Abstract Scrap tire-derived crumb rubber (CR) in concrete, along with recycled coarse aggregate (RCA) and polypropylene fiber, constitute a way to reusing and recycling waste material and providing green and sustainable concrete structures. This study investigates the effect of substituting recycled constituents such as RCA and CR as a partial replacement of coarse aggregate and fine aggregate, respectively, along with polypropylene fiber addition into the concrete mixture. Fifteen different mixes are considered, with 10% and 30% RCA, 5% and 10% CR, and 1% and 2% fiber content. This study focuses on the experimental investigation of concrete combining RCA, CR, and fiber and evaluates its compressive strength, splitting tensile strength, and flexural strength at different ages. The compressive strength, splitting tensile strength, and flexural strength decrease as the CR content increases, but increase with the increasing fiber content. With regard to toughness and ductility, the effect of fiber is greater than that of RCA and CR, with each being found to increase with the incremental addition of fiber. It is also observed that the beams with fiber show failure in a more gradual manner. Finally, as a general recommendation in the interest of sustainability and environmental concern this paper suggests the use of rubberized concrete with RCA and polypropylene fiber for any structural purpose subjected to further investigations.
Mechanical properties of recycled aggregate concrete containing crumb rubber and polypropylene fiber
https://orcid.org/0000-0001-7046-9160
https://orcid.org/0000-0002-9092-1473
Highlights Performance of rubberized concrete with RCA and polypropylene fiber is studied. Properties of rubberized concrete with RCA and polypropylene fiber are experimentally investigated. Concrete with 30% RCA, 5% CR and 2% fiber shows the highest toughness/ductility. Mechanical properties of the developed concrete are compared with code equations.
Abstract Scrap tire-derived crumb rubber (CR) in concrete, along with recycled coarse aggregate (RCA) and polypropylene fiber, constitute a way to reusing and recycling waste material and providing green and sustainable concrete structures. This study investigates the effect of substituting recycled constituents such as RCA and CR as a partial replacement of coarse aggregate and fine aggregate, respectively, along with polypropylene fiber addition into the concrete mixture. Fifteen different mixes are considered, with 10% and 30% RCA, 5% and 10% CR, and 1% and 2% fiber content. This study focuses on the experimental investigation of concrete combining RCA, CR, and fiber and evaluates its compressive strength, splitting tensile strength, and flexural strength at different ages. The compressive strength, splitting tensile strength, and flexural strength decrease as the CR content increases, but increase with the increasing fiber content. With regard to toughness and ductility, the effect of fiber is greater than that of RCA and CR, with each being found to increase with the incremental addition of fiber. It is also observed that the beams with fiber show failure in a more gradual manner. Finally, as a general recommendation in the interest of sustainability and environmental concern this paper suggests the use of rubberized concrete with RCA and polypropylene fiber for any structural purpose subjected to further investigations.
Mechanical properties of recycled aggregate concrete containing crumb rubber and polypropylene fiber
https://orcid.org/0000-0001-7046-9160
https://orcid.org/0000-0002-9092-1473
Highlights Performance of rubberized concrete with RCA and polypropylene fiber is studied. Properties of rubberized concrete with RCA and polypropylene fiber are experimentally investigated. Concrete with 30% RCA, 5% CR and 2% fiber shows the highest toughness/ductility. Mechanical properties of the developed concrete are compared with code equations.
Abstract Scrap tire-derived crumb rubber (CR) in concrete, along with recycled coarse aggregate (RCA) and polypropylene fiber, constitute a way to reusing and recycling waste material and providing green and sustainable concrete structures. This study investigates the effect of substituting recycled constituents such as RCA and CR as a partial replacement of coarse aggregate and fine aggregate, respectively, along with polypropylene fiber addition into the concrete mixture. Fifteen different mixes are considered, with 10% and 30% RCA, 5% and 10% CR, and 1% and 2% fiber content. This study focuses on the experimental investigation of concrete combining RCA, CR, and fiber and evaluates its compressive strength, splitting tensile strength, and flexural strength at different ages. The compressive strength, splitting tensile strength, and flexural strength decrease as the CR content increases, but increase with the increasing fiber content. With regard to toughness and ductility, the effect of fiber is greater than that of RCA and CR, with each being found to increase with the incremental addition of fiber. It is also observed that the beams with fiber show failure in a more gradual manner. Finally, as a general recommendation in the interest of sustainability and environmental concern this paper suggests the use of rubberized concrete with RCA and polypropylene fiber for any structural purpose subjected to further investigations.
Mechanical properties of recycled aggregate concrete containing crumb rubber and polypropylene fiber
Hossain, F.M. Zahid (Autor:in) / Shahjalal, Md. (Autor:in) / Islam, Kamrul (Autor:in) / Tiznobaik, Mohammad (Autor:in) / Alam, M. Shahria (Autor:in)
Construction and Building Materials ; 225 ; 983-996
20.07.2019
14 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
| BASE | 2018