Research Article

Assessment of High-Performance Fiber Reinforced Concrete (HPFRC) Durability Due to Exposing to Different Environmental Media

Volume: 3 Number: 2 December 31, 2021
TR EN

Assessment of High-Performance Fiber Reinforced Concrete (HPFRC) Durability Due to Exposing to Different Environmental Media

Abstract

The durability and mechanical properties of High-Performance Fiber Reinforced Concrete, HPFRC, are experimentally investigated in this study after being exposed to four different media. Those media were air, water, sodium chloride, and magnesium sulfate with 7% concentration for both chloride and sulfate. Hooked-end galvanized steel fiber 50 mm length with three different fiber volume fractions, Vf, as follows 0.5%, 1% and 1.5% and polypropylene fiber with, Vf, 0.1%, 0.3%, and 0.5% were invoked in concrete containing macro silica fume, SF. Compressive, indirect tensile, and flexural tests were conducted on HPFRC specimens after exposing them to previous media after 28 and 180 days of exposure. The test results in the present work indicated that the HPFRC containing steel fiber is more durable than the other one containing polypropylene fiber, especially when exposed to sodium chloride and magnesium sulfate media. Moreover, the optimum values for compressive strength of HPFRC are obtained when Vf equals 1% for steel fiber and 0.3% for polypropylene fiber. On the other hand, the optimum values for indirect tensile and flexural strengths of HPFRC are obtained when Vf equals 1.5% for steel fiber and 0.5% for polypropylene fiber.

Keywords

Supporting Institution

Zagazig university

References

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Details

Primary Language

English

Subjects

Civil Engineering

Journal Section

Research Article

Publication Date

December 31, 2021

Submission Date

August 27, 2021

Acceptance Date

November 13, 2021

Published in Issue

Year 2021 Volume: 3 Number: 2

APA
Ahmad, S., Elhwary, E., & Elsafoury, A. (2021). Assessment of High-Performance Fiber Reinforced Concrete (HPFRC) Durability Due to Exposing to Different Environmental Media. Journal of Innovations in Civil Engineering and Technology, 3(2), 93-114. https://izlik.org/JA82WE32GW