Flexural toughness and evaluation method of steel fiber reinforced self-compacting lightweight aggregate concrete

被引：30
|
作者：
Li, Jingjun [1 ]
Chen, Jian [1 ]
Wan, Chaojun [2 ]
Niu, Jiangang [1 ]
机构：
[1] Inner Mongolia Univ Sci & Technol, Sch Civil Engn, Baotou 014010, Peoples R China
[2] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2021年 / 277卷
关键词：
Steel fiber; Self-compacting lightweight aggregate concrete (SLC); Flexural toughness; CONSOLIDATING CONCRETE; PERFORMANCE; BEHAVIOR; POLYOLEFIN; CEMENT;
D O I：
10.1016/j.conbuildmat.2021.122297
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The main purpose of this study was to investigate the effect of steel fiber on the flexural toughness of steel fiber reinforced self-compacting lightweight aggregate concrete (SFSLC). The applicability of the flexural toughness evaluation method specified in ASTM C1609 and JG/T 472-2015 for SFSLC was investigated. Test results showed that the evaluation methods in ASTM C1609 and JG/T 472-2015 were not suitable for evaluating the flexural toughness of SFSLC due to its higher deflection than fiber reinforced normal concrete. A new flexural toughness evaluation method including four indexes was proposed and test results showed that this new method could effectively reflect the flexural performance of SFSLC. (C) 2021 Elsevier Ltd. All rights reserved.
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页数：8
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