压弯荷载作用下圆截面混凝土桩的损伤分析

重庆交通大学学报（自然科学版） ›› 2008, Vol. 27 ›› Issue (S1): 892-894.

压弯荷载作用下圆截面混凝土桩的损伤分析

司文静, 王成

重庆交通大学土木建筑学院, 重庆 400074

收稿日期:2008-03-21 修回日期:2008-03-23 出版日期:2008-07-20 发布日期:2016-11-14
作者简介:司文静(1980-),女,河北迁安人,硕士研究生,主要从事桥梁地基基础方面的研究工作。E-mail:siwenjing1021@sina.com。

Damage Analysis of Circular-Section Concrete Pile under Pressure and Bending Load

SI Wen-jing, WANG Cheng

School of Civil Engineering & Architecture, Chongqing Jiaotong University, Chongqing 400047, China

Received:2008-03-21 Revised:2008-03-23 Online:2008-07-20 Published:2016-11-14

摘要/Abstract

摘要： 运用Lemaitre损伤规律对土木工程中使用的混凝土圆截面桩受压弯荷载下进行损伤分析,推导了无量纲轴向力和无量纲弯矩的表达式,计算了不同失效应变对应的弯矩规律,以及不同失效应变和中性轴的无量纲位移之间的关系。分析结果可作为估算实际工程中混凝土圆截面桩抗弯承载力的参考依据。

关键词: 混凝土圆截面桩, 压弯组合荷载, Lemaitre损伤律, 失效应变, 压弯承载力

Abstract: Lemaitre damage principle is used to analyze the damage of circular cross-section concrete pile under pressure and bending load in civil engineering and to deduce dimensionless axial force and bending moment expressions.Moment rules under corresponding failure strains are calculated and the relationships between neutral axis' dimensionless displacements and different failure strains are also calculated.The results can be used as references when calculating circular-section concrete pile's bending bearing capacity in actual projects.

Key words: circular-section concrete pile, pressure and bending load, Lemaitre damage principle, failure strain, bending bearing capacity

中图分类号:

TU473.13

司文静, 王成. 压弯荷载作用下圆截面混凝土桩的损伤分析[J]. 重庆交通大学学报（自然科学版）, 2008, 27(S1): 892-894.

SI Wen-jing, WANG Cheng. Damage Analysis of Circular-Section Concrete Pile under Pressure and Bending Load[J]. Journal of Chongqing Jiaotong University(Natural Science), 2008, 27(S1): 892-894.