四川轻化工大学学报（自然科学版）2025，Vol.38Issue(1)：94-102,9.DOI:10.11863/j.suse.2025.01.11
水平荷载作用下机械连接桩的有限元分析
Finite Element Analysis of Mechanical-connection Piles Under Horizontal Load
摘要
Abstract
In order to study the force characteristics of mechanical-connection pile under horizontal load,the pile-soil interaction models of ordinary pile and mechanical-connection pile are established respectively by using large-scale finite element analysis software ABAQUS.Through static analysis,the two kinds of pile foundations are calculated to get the displacement and stress distribution of each pile foundation.The response of mechanical-connection pile under different soil quality and pile diameter conditions is calculated,and the force response characteristics and variation law of the mechanical-connection pile is compared and analyzed.Calculation results show that,under the horizontal load,the displacement absolute value of the top of mechanical-connection pile is increased by about 44%and the rotation angle absolute value of the top of the pile is increased by about 50%compared with the ordinary pile,and the anti-deformation ability is poorer;however,the maximum absolute value of the bending moment of the pile is reduced by about 37%compared with the ordinary pile,and the horizontal bearing capacity is improved.With the increase of soil hardness,the absolute value of displacement and rotation angle at the top of the pile are reduced by about 60%,the absolute value of peak bending moment of the pile is reduced by 39%and the absolute value of peak negative shear force is increased by about 150%,and the bending performance of the pile is improved but the shear performance is reduced.With the increase of pile diameter,the absolute value of displacement and rotation angle at the top of the pile are reduced by about 80%,the absolute value of bending moment and the peak shear force of the pile are increased by about 30%,and the anti-deformation ability of the pile is enhanced,while the horizontal bearing capacity is weakened.关键词
岩土工程/机械连接桩/水平荷载/有限元分析Key words
geotechnical engineering/mechanical-connection pile/horizontal load/finite element analysis分类
建筑与水利引用本文复制引用
张群群,孙传智..水平荷载作用下机械连接桩的有限元分析[J].四川轻化工大学学报（自然科学版）,2025,38(1):94-102,9.基金项目
国家自然科学基金项目(52178119) （52178119）
2020年江苏省"333人才工程"项目(BRA2020241) （BRA2020241）
2020年宿迁市自然基金面上项目(K202012) （K202012）
江苏省高等学校自然科学研究项目(21KID560002) （21KID560002）
宿迁学院科研创新团队项目(2021TD04) （2021TD04）
