CRACK-GROWTH INITIATION IN CONCRETE-LIKE MATERIALS IN THE PRESENCE OF CREEP

被引：4
|
作者：
MASUERO, JR
CREUS, GJ
机构：
[1] Department of Civil Engineering, Universidade Federal do Rio Grande do Sul, 90210 Porto Alegre, RS
来源：
NUCLEAR ENGINEERING AND DESIGN | 1995年 / 156卷 / 1-2期
关键词：
D O I：
10.1016/0029-5493(94)00947-W
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A numerical procedure that employs the finite element method and the state variables approach is proposed to analyse the critical condition of a crack in an aging viscoelastic body under sustained load. A far field solution proposed by Schapery is used. An example shows how a crack can become critical after some finite time that depends on the characteristics of the concrete.
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页码：209 / 218
页数：10
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