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Waste Plastic Fibre Reinforced Self Compacting Concrete

By Mrs. Vijaya G.S Assistant Professor, Dr.Vaishali G. Ghorpade and Dr. H Sudarsana Rao

Abstract

Self-compacting concrete is high performance concrete which is highly flowable, non-segregating, spread on its\ud own weight and doesn‟t need any compaction. This paper deals with flow and strength characteristics such as\ud compressive strength, split tensile strength, flexural strength and impact strength of Self-compacting concrete\ud with various percentages of waste plastic fibres like 0%, 0.25%, 0.5%, 0.75%, 1.0%, 1.1%, 1.20%, 1.3% and\ud 1.4% is added by weight of cement. The mix proportion for M40 grade of concrete was done by using Nan Su\ud method (Cement: GGBS: Fine aggregate: Course aggregate 1: 0.705: 3.34: 2.62). Water powder (W/P) ratio\ud 0.36, cement content 280kg/m3\ud , GGBS 220 kg/m3 was calculated and maintained as constant throughout the\ud experimental work for all eight mixes, only the superplastizers dosage was varied for different percentage of\ud fibres. In this experimental investigation one control mix and eight (8) different mixes were considered. Totally\ud 81 Cube, beam, Cylindrical specimens and square plates were casted, cured and tested as per IS specifications.\ud For determining impact strength drop weight method was used. The results obtained indicate that fresh\ud (workability) characteristics satisfy the lower and upper limit as suggested by EFNARC. The tests on hardened\ud properties indicate that the compressive strength, split tensile strength, flexural strength was improved\ud proportionally with the addition of waste plastic fibers upto 1.0% by weight of cement and then decreases. The\ud impact strength improved proportionally with addition of fibres upto 1.2% by weight of cement and then\ud decreases

Topics: Self-compacting concrete, Waste plastic fibres, Compressive strength, Split tensile strength, Flexural strength and Impact strength, Engineering (General). Civil engineering (General), TA1-2040, Technology, T
Publisher: International Journal of Engineering Research and Applications
Year: 2016
OAI identifier: oai:doaj.org/article:0d4d11a096bd4162bd225706549b30be
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