- 摘 要
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(深圳市建筑设计研究总院有限公司,深圳 518031)
[摘要]从低桩承台、高桩承台的概念理解入手,结合桩基抵抗地震水平力的机理,分析桩基在水平力作用下的侧向变形及失稳的原因,阐述由桩、土分担水平力的核心问题,提出建筑桩基抵抗水平力分体系的系统设计思路,提出由承台或地下室的侧面土层的土压力及摩阻力承担,由斜桩的轴向力承担,由桩的抗剪及抗弯能力承担,由承台、地下墙体、基桩协同工作和土的弹性抗力承担四种分体系。
[关键词]低桩承台;高桩承台;被动土压力;摩阻力;斜桩;复合地基;抵抗水平力分体系
Concept design for sub-system of resisting horizontal forces in pile foundation
Chen Xiaotang(Shenzhen General Institute of Architectural Design and Research Co., Ltd., Shenzhen 518031, China)
Abstract:Starting from the concept of understanding low capping piles and high capping piles, combined with the earthquake force pile resistance mechanism, it analyzes the reasons for lateral deformation and lateral instability of the pile under the lateral actions, introduces the core issue of piles, soil level of power-sharing, and proposes four sub-systems of resisting horizontal force,including the soil pressure of the side soil layer of the platform or basement and rubed resistance, the axle pressure of batter piles,shear and bending resistance ability of piles,born platform, underground wall, one and worked and undertaken with the elastic reactance strength of the land in coordination.
Keywords:low capping; high capping; passive earth pressure; frictional resistance; batter pile; composite foundation; sub-system of resisting horizontal force
作者简介:陈孝堂,高级工程师,一级注册结构工程师,注册咨询工程师(投资),Email:with666666@126.com。
参考文献
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