|本期目录/Table of Contents|

[1]李文贵,龙炳煌.高桩码头叉桩节点抗震性能有限元数值模拟[J].建筑科学与工程学报,2010,27(04):86-95.
 LI Wen-gui,LONG Bing-huang.Finite Element Numerical Simulation of Seismic Behavior for Batter Pile Joint in Pile-wharf Structure[J].Journal of Architecture and Civil Engineering,2010,27(04):86-95.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
27卷
期数:
2010年04期
页码:
86-95
栏目:
出版日期:
2010-12-20

文章信息/Info

Title:
Finite Element Numerical Simulation of Seismic Behavior for Batter Pile Joint in Pile-wharf Structure
作者:
李文贵12龙炳煌2
1. 同济大学建筑工程系,上海 200092; 2. 武汉理工大学土木工程与建筑学院,湖北武汉 430070
Author(s):
LI Wen-gui12 LONG Bing-huang2
1. Department of Building Engineering, Tongji University, Shanghai 200092, China; 2. School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, Hubei, China
关键词:
结构设计 高桩码头 叉桩节点 非线性有限元 抗震性能 数值模拟
Keywords:
structure design pile-wharf batter pile joint nonlinear finite element seismic behavior numerical simulation
分类号:
TU352.1
DOI:
-
文献标志码:
A
摘要:
提出了一种新型叉桩节点的抗震性能试验方案,通过非线性有限元分析得到了叉桩节点的滞回曲线、骨架曲线、延性系数、割线刚度以及耗能能力; 讨论了桩帽的配箍率、混凝土强度等级、轴压比以及桩芯配筋率等参数对叉桩节点抗震性能的影响。结果表明:桩帽配箍率、混凝土强度等级对叉桩节点的延性和耗能能力有较大影响,桩帽轴压比对叉桩节点的承载力、刚度、延性和耗能能力均有较大影响,配置桩芯钢筋可以明显提高叉桩节点的延性和耗能能力,但配置一定数量的桩芯钢筋之后,提高桩芯配筋率对叉桩节点的延性和耗能能力影响不大。所得结论对叉桩节点在低周反复加载下的抗震性能试验研究具有重要的参考价值。
Abstract:
A test scheme on seismic behavior of a new batter pile joint was proposed. Hysteretic curve, skeleton curve, ductility coefficient, secant stiffness and dissipation capacity of the batter pile joint were obtained by using nonlinear finite element analysis. The influences of the stirrup ratio of pile cap, strength of concrete, axial load ratio and reinforcement ratio in the core of piles on seismic behavior of the batter pile joint were discussed. Results show that the stirrup ratio of pile cap and strength of concrete are important for the ductility and dissipation capacity of the batter pile joint, axial load ratio is important for the bearing capacity, stiffness, ductility and dissipation capacity of the batter pile joint. Certain reinforcement distribution in the core of piles can improve the ductility and dissipation capacity of the batter pile joint. After exceeding the requirement quantity of reinforcement, the ductility and dissipation capacity of the batter pile joint change a litter through enhancing the reinforcement ratio in the core of piles. The conclusions have important reference value for seismic behavior test of the batter pile joint under low cyclic loading.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2010-09-07
基金项目:中-美合作研究项目(2004-09)
作者简介:李文贵(1982-),男,湖南安仁人,同济大学工学博士研究生,E-mail:wengui.li1021@gmail.com。
更新日期/Last Update: 2010-12-20