A model of fracture of fibrous concrete

被引：0
|
作者：
Onyshko, OE [1 ]
Kravchuk, MO
Onyshko, LI
机构：
[1] Ukrainian Acad Sci, Pidstryhach Inst Appl Problems Mech & Math, Lvov, Ukraine
[2] Ukrainian Acad Sci, Karpenko Physicomech Inst, Lvov, Ukraine
来源：
MATERIALS SCIENCE | 2002年 / 38卷 / 02期
关键词：
Stressed State; Composite Material; Tensile Stress; Fracture Mechanism; Tangential Stress;
D O I：
10.1023/A:1020985902989
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We propose a model of fracture of composite materials similar to fibrous concrete. The stressed state of the matrix is described by macroscopic stresses averaged over a certain region near the end of the fiber. We study three possible fracture mechanisms: fracture-of the matrix caused by the maximum macroscopic tensile stresses, rupture of the fiber, and fracture caused by the action of tangential stresses on the "matrix-fiber" interface. The probability of fracture of the composite under the action of each of these mechanisms is estimated.
引用
收藏
页码：207 / 213
页数：7
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