Derivation of a simplified stress-crack width law for Fiber Reinforced Concrete through a revised round panel test

被引:30
作者
Minelli, Fausto [1 ]
Plizzari, Giovanni [1 ]
机构
[1] Univ Brescia, DICATAM Dept Civil Environm Architectural Engn &, I-25121 Brescia, Italy
关键词
Fracture toughness; Fiber Reinforced Concrete; Round panel; Constitutive law; Test scatter; Kinematic model; BEHAVIOR;
D O I
10.1016/j.cemconcomp.2015.01.005
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
The Round Determinate Panel (RDP), according to ASTM, was found to be a reliable, consistent and repeatable test method for the measurement of the energy absorption in Fiber Reinforced Concrete (FRC) composites. A smaller panel was proposed and experimentally investigated by the authors in previous scientific contributions. An analytical approach is herein reported toward the definition of a simplified stress crack width law for FRC, determined from tests on small panels according to the requirements of Model Code 2010 for tension softening materials. To this aim, the measurement of the three crack widths was implemented in the test procedure and, in addition, a kinematic approach was proposed to predict the crack width of panels. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:95 / 104
页数:10
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