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Mechanical and Post-Cracking Performance of Recycled High Density Polyethylene Fiber Reinforced Concrete

Mechanical and Post-Cracking Performance of Recycled High Density Polyethylene Fiber Reinforced... UItilization of various plastic fibers to reinforce concrete panels and pathways provides major financial and ecological advantages over historically used steel fiber. However, introduction of plastic filaments by construction sectors has not been observed due to the lack of pertinent data on durability, mechanical characteristics, and their effects on concrete performance. An experimental program is initiated to study the impact on the recycled high-density polyethylene fiber reinforced concrete (rHDPE-FC) with the addition of rHDPE fiber at five mix variations from 0.3, 0.4, 0.5, 0.6, and 0.7% in concrete and relating the performance with control concrete after the 28, 90 days of curing. The experimental study is performed in the laboratory on the various mechanical attributes, Round Determinate Slab Test (RDST), and Crack Mouth Opening Displacement (CMOD) in the rHDPE-FC. With rHDPE fiber in concrete, splitting tensile and flexural strength performance is observed to increase while compression strength results are seen to vary marginally. The rHDPE fibers show outstanding performance in post-cracking, and significant improvement of ductility performance. Post-cracking performance is evaluated using the CMOD and RDST. It is concluded that the addition of 0.4 and 0.6% rHDPE fiber in concrete is considered optimum for splitting tensile and flexural strength, respectively. Usage of recycled plastic waste in new concrete manufacture is very tempting due to the small price of the raw resources, space-saving, environment protection, and concrete properties. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India):Series A Springer Journals

Mechanical and Post-Cracking Performance of Recycled High Density Polyethylene Fiber Reinforced Concrete

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Publisher
Springer Journals
Copyright
Copyright © The Institution of Engineers (India) 2022
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-022-00625-5
Publisher site
See Article on Publisher Site

Abstract

UItilization of various plastic fibers to reinforce concrete panels and pathways provides major financial and ecological advantages over historically used steel fiber. However, introduction of plastic filaments by construction sectors has not been observed due to the lack of pertinent data on durability, mechanical characteristics, and their effects on concrete performance. An experimental program is initiated to study the impact on the recycled high-density polyethylene fiber reinforced concrete (rHDPE-FC) with the addition of rHDPE fiber at five mix variations from 0.3, 0.4, 0.5, 0.6, and 0.7% in concrete and relating the performance with control concrete after the 28, 90 days of curing. The experimental study is performed in the laboratory on the various mechanical attributes, Round Determinate Slab Test (RDST), and Crack Mouth Opening Displacement (CMOD) in the rHDPE-FC. With rHDPE fiber in concrete, splitting tensile and flexural strength performance is observed to increase while compression strength results are seen to vary marginally. The rHDPE fibers show outstanding performance in post-cracking, and significant improvement of ductility performance. Post-cracking performance is evaluated using the CMOD and RDST. It is concluded that the addition of 0.4 and 0.6% rHDPE fiber in concrete is considered optimum for splitting tensile and flexural strength, respectively. Usage of recycled plastic waste in new concrete manufacture is very tempting due to the small price of the raw resources, space-saving, environment protection, and concrete properties.

Journal

Journal of The Institution of Engineers (India):Series ASpringer Journals

Published: Mar 14, 2022

Keywords: Fiber reinforced concrete; rHDPE fiber; CMOD; RDST; Energy absorption; Fracture energy

References