Damage tolerance of an anchor head in a post-tensioning anchorage system

被引：3
|
作者：
Gálvez, JC
Elices, M
Olivares, MA
机构：
[1] Univ Politecn Madrid, Dept Ingn Civil Construct, ETSI Caminos Panales & Puertos, E-28040 Madrid, Spain
[2] Univ Politecn Madrid, Dept Ciencia Mat, ETSI Caminos Panales & Puertos, E-28040 Madrid, Spain
[3] Univ Castilla La Mancha, Dept Mecan Aplicada & Ingn Proyectos, E-13071 Ciudad Real, Spain
来源：
ENGINEERING FAILURE ANALYSIS | 2006年 / 13卷 / 02期
关键词：
damage tolerance; stress intensity factors; design; defects; structural integrity;
D O I：
10.1016/j.engfailanal.2005.01.012
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The use of the damage tolerance concept is growing in the design of civil engineering structures. The aim of this paper is to provide some guides to help designing anchorages according to the damage tolerance concept. The paper shows the importance of the small defects, idealized like small cracks, in the structural integrity of these elements. The stress intensity factors (SIF) induced by small cracks in an anchor head of post-tensioned strand anchorage system are calculated. The study includes the evaluation of the influence of the shape and dimensions of the anchor head on the SIF. The numerical predictions are compared with experimental results of 1/2 scaled specimens of poly-methyl-methacrylate. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：235 / 246
页数：12
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