Study on axial force transfer from CFT column to pile of high-rise building by field measurement and FEM analysis

被引：0
|
作者：
Zhang Y. [1 ]
Furugaichi Y. [1 ]
Nakazawa F. [2 ]
Kawasaki K. [1 ]
Nakata H. [1 ]
机构：
[1] Institute of Technology, Foundation/Structure G., Tokyu Construction Co., Ltd
[2] Building Construction Division, Technology Dept., Production Engineering Dept., Tokyu Construction Co., Ltd
来源：
AIJ Journal of Technology and Design | 2021年 / 27卷 / 66期
关键词：
Axial force; Bond; Finite element method analysis; Stud connector; Top-down construction method;
D O I：
10.3130/aijt.27.668
中图分类号：
学科分类号：
摘要：
Axial force of CFT column and steel column embedded into cast-in-place concrete pile were measured in top-down construction method. In addition, measurement results were accurately simulated by FEM analysis. Axial force transfer mechanism from CFT column to pile is analyzed according to field measurement and FEM analysis results. At the pile head, axial force of concrete transferred from steel column is increasing and becomes stable due to slipping between steel column and concrete. Besides, it was found that shear strength of stud connectors at the pile head are 60% of design shear strength. © 2021 Architectural Institute of Japan. All rights reserved.
引用
收藏
页码：668 / 673
页数：5
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