Tensile stress-crack width law for steel fibre reinforced self-compacting concrete obtained from indirect (splitting) tensile tests

被引：81
|
作者：
Abrishambaf, Amin [1 ]
Barros, Joaquim A. O. [1 ]
Cunha, Vitor M. C. F. [1 ]
机构：
[1] Univ Minho, Sch Engn, Dept Civil Engn, ISISE, P-4800058 Guimaraes, Portugal
来源：
CEMENT & CONCRETE COMPOSITES | 2015年 / 57卷
关键词：
Steel fibre reinforced self-compacting concrete; Splitting tensile test; Uniaxial tensile test; Post-cracking strength; Inverse analysis; Fibre orientation; DESIGN; COMPRESSION; BEHAVIOR; ENERGY; MODEL; SFRC;
D O I：
10.1016/j.cemconcomp.2014.12.010
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this work, model fracture parameters of steel fibre reinforced self-compacting concrete (SFRSCC) were derived from the numerical simulation of indirect splitting tensile tests. The combined experimental and numerical research allowed a comparison between the stress-crack width (sigma-w) relationship acquired straightforwardly from direct tensile tests, and the sigma-w response derived from inverse analysis of the splitting tensile tests results. For this purpose a comprehensive nonlinear 3D finite element (FE) modeling strategy was developed. A comparison between the experimental results obtained from splitting tensile tests and the corresponding FE simulations confirmed the good accuracy of the proposed strategy to derive the sigma-w law for these composites. It is concluded that the post-cracking tensile laws obtained from inverse analysis provided a close relationship with the ones obtained from the experimental uniaxial tensile tests. 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：153 / 165
页数：13
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