期刊
CEMENT & CONCRETE COMPOSITES
卷 27, 期 1, 页码 93-101出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.cemconcomp.2004.01.006
关键词
pull-out test; analytical model; bond stress versus slip relationship
In recent years many researchers developed analytical expressions to predict the bond stress versus slip response and the bond stress distribution for different types of pull-out tests, shear tests, etc. However, the models are mainly based on only a limited number of free parameters which can be fitted and therefore a general mathematical description of the bond law is restricted. In this study an analytical model is derived which allows the calculation of a load displacement distribution of a pull-out test on basis of a general mathematical description on the bond stress versus slip relation, assuming a N-piecewise linear bond law with no limitation of N. A short introductory example is given, which clarifies the proposed solution routine and it is shown that a simulation based on the proposed model fits the experimental results of pull-out tests very well. (C) 2004 Elsevier Ltd. All rights reserved.
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