Determination of wires transfer length in prestressed concrete members with different levels of corrosion

被引：8
|
作者：
Anaya, P. [1 ]
Rodriguez, J. [2 ]
Andrade, C. [3 ]
Martin-Perez, B. [4 ]
Lopez Hombrados, C. [5 ]
机构：
[1] Univ Politecn Madrid UPM, Madrid, Spain
[2] Univ Politecn Madrid ETSAM UPM, Madrid, Spain
[3] Ctr Intern Metodos Numer Ingn CIMNE, Madrid, Spain
[4] Univ Ottawa, Ottawa, ON, Canada
[5] CSIC, Inst Ciencias Construcc Eduardo Torroja IETcc, Madrid, Spain
来源：
INFORMES DE LA CONSTRUCCION | 2020年 / 72卷 / 558期
关键词：
Transfer length; transmission length; prestressed concrete; bond; corrosion; analytical model; COVER-CRACKING; PREDICTION; MODEL;
D O I：
10.3989/ic.71428
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Bond between steel and concrete in prestressed concrete members may be degraded due to different reasons, being one of the most frequent ones the corrosion induced damage. Transfer length is the key indicator to describe the bond properties between prestressed steel and concrete. Through tests on prestressed beams, this paper is focused on the experimental verification of an analytical model developed to analyse the processes of bond degradation due to the corrosion of both indented and smooth wires, and its influence on the behaviour of prestressed concrete members. The model is based on both the thick-walled cylinder theory and the cohesive cracking for concrete.
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页码：1 / 10
页数：12
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