Flexural behavior of basalt fiber reinforced concrete beams with recycled concrete coarse aggregates

被引：138

作者：

Alnahhal, Wael ^{[1
]}

Aljidda, Omar ^{[1
]}

机构：

[1] Qatar Univ, Coll Engn, Dept Civil & Architectural Engn, POB 2713, Doha, Qatar

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 169卷

关键词：

Recycled concrete aggregates; Basalt macro-fibers; Fiber reinforced concrete; Flexural behavior; MECHANICAL-PROPERTIES; STRENGTH;

D O I：

10.1016/j.conbuildmat.2018.02.135

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This study investigates the effect of using recycled concrete aggregates (RCA) from construction and demolition (C&D) waste combined with basalt macro-fibers (BMF) on the flexural behavior and ultimate capacity of reinforced concrete (RC) beams experimentally and analytically. A total of 16 RC beam specimens were flexural tested to failure. The investigated parameters include the RCA replacement ratio and the volume fraction of the BMF. Furthermore, the experimental results were also compared against the existing analytical models and code-based equations for conventional concrete. The test results show that the flexural capacity of beams with the addition of BMF was improved. On the other hand, the use of RCA has no remarkable impact on the flexural strength of the tested beams. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：165 / 178

页数：14

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