[1]徐令宇,王国新,蔡飞.考虑桩身钢筋混凝土非线性的单桩水平响应分析[J].哈尔滨工程大学学报,2015,(06):871-876.[doi:10.3969/j.issn.1006-7043.201402032]
 XU Lingyu,WANG Guoxin,CAI Fei.Computation method for the response of laterally loaded reinforced-concrete piles[J].hebgcdxxb,2015,(06):871-876.[doi:10.3969/j.issn.1006-7043.201402032]
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考虑桩身钢筋混凝土非线性的单桩水平响应分析(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年06期
页码:
871-876
栏目:
出版日期:
2015-06-25

文章信息/Info

Title:
Computation method for the response of laterally loaded reinforced-concrete piles
作者:
徐令宇123 王国新2 蔡飞3
1. 南京工业大学, 交通运输工程学院, 江苏 南京 210009;
2. 大连理工大学 水利工程学院, 辽宁 大连 116024;
3. 群马大学 土木与环境工学系, 桐生 376-8515
Author(s):
XU Lingyu123 WANG Guoxin2 CAI Fei3
1. School of Transportation Science and Engineering, Nanjing Tech University, Nanjing 210009, China;
2. School of Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China;
3. Department of Environmental Engineering Science, Gunma University, Kiryu 3768515, Japan
关键词:
水平荷载|钢筋混凝土桩|桩土相互作用|非线性应力应变关系
DOI:
10.3969/j.issn.1006-7043.201402032
文献标志码:
A
摘要:
为评估地震条件下建筑和桥梁桩基础水平承载性能, 给出了考虑桩身钢筋混凝土非线性的单桩水平响应的计算方法。该方法是基于非线性Winkler地基梁, 利用应变楔形体模型计算地基反应模量, 桩身钢筋混凝土非线性是通过将桩截面划分成多个纤维单元, 并将钢筋纤维单元和混凝土纤维单元赋予不同的非线性应力应变关系来实现的。结果表明:计算出的桩头挠度及挠度分布与实测值吻合较好, 且能够反映钢筋混凝土桩抗弯刚度随着水平荷载增大的变化趋势, 在钢筋混凝土桩初始加载阶段, 桩截面上拉应力和压应力呈对称分布, 随着水平荷载的增大, 受拉侧混凝土开裂, 中性轴向受压侧移动。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-2-25;改回日期:。
基金项目:国家自然科学基金资助项目(51121005).
作者简介:徐令宇(1988-),男,博士,讲师;王国新(1961-),男,教授,博士生导师.
通讯作者:王国新,E-mail:gxwang@dlut.edu.cn.
更新日期/Last Update: 2015-07-15