Performance of concrete with polypropylene fibre and polyvinyl chloride fibre

Bhat, Arooba Rafiq; Vikram, Ajay

doi:10.1016/j.matpr.2023.03.104

Cited by 5 publications

(1 citation statement)

References 10 publications

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“…To cater to these problems, macro-polypropylene fibers have been used. Using 0-1% of macro PP fiber in normal-strength concrete, a maximum increase in compressive strength of up to 17.5% has been noted at the fiber content of 0.5% v/f [51]. Owing to twisted-bundle monofilament macro PP fiber's bridging effect, its addition to concrete significantly improves its resistance against freezing and thawing [52]; at the same time, another study reported an improvement of 32.78% in the tensile strength of normal-strength concrete by using 38 mm macro PP fibers at 0.6% v/f [53].…”

Section: Introductionmentioning

confidence: 98%

Durability Properties of Macro-Polypropylene Fiber Reinforced Self-Compacting Concrete

Chen,

Waheed,

Iqbal

et al. 2024

Materials

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Concrete is one of the most commonly used construction materials; however, its durability plays a pivotal role in areas where the concrete is exposed to severe environmental conditions, which initiate cracks inside and disintegrate it. Randomly distributed short fibers arrest the initiation and propagation of micro-cracks in the concrete and maintain its integrity. Traditional polypropylene fibers are thin and encounter the problem of balling effects during concrete mixing, leading to uneven fiber distribution. Thus, a new polypropylene fiber is developed by gluing thin ones together, forming macro-polypropylene fibers. Thus, different amounts of fibers, 0–1.5% v/f with an increment of 0.5% v/f, are used in different grades of concrete to study their impact on durability properties, including resistance to freezing and thawing cycles, sulfate, and acid attacks. A total of 432 cube samples were tested at 28, 56, and 92 days. The results reveal that the maximum durability, in terms of compressive strength loss, is noted with a fiber content of 1% with improved resistance of 72%, 54%, and 24% against freeze–thaw cycles, sulfate attack, and hydrochloric acid attack, respectively, at 92 days. Thus, the resulting fiber-reinforced concrete may be effective in areas where these extreme exposure conditions are expected.

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Section: Introductionmentioning

confidence: 98%