同步同心旋喷式复合斜撑桩周边底板开裂原因初步分析及预防措施  

Preliminary Analysis and Preventive Measures of Cracking Causes Around Base Plate of Synchronous Concentric Rotary Jet Grouting Composite Diagonal Bracing Piles

作　　者：胡磊 邓岳保 吕城坚 王乾浩 HU Lei;DENG Yuebao;LÜChengjian;WANG Qianhao(Ningbo Ningda Foundation Treatment Technology Co.,Ltd.,Ningbo 315211,Zhejiang,China;Ningbo Key Laboratory of Energy Underground Structure,Ningbo University,Ningbo 315211,Zhejiang,China;Zhejiang Hongchen Construction Co.,Ltd.,Ningbo 315032,Zhejiang,China)

机构地区：[1]宁波宁大地基处理技术有限公司,浙江宁波315211 [2]宁波市能源地下结构重点实验室,浙江宁波315211 [3]浙江鸿晨建设有限公司,浙江宁波315032

出　　处：《建筑施工》2024年第5期741-744,共4页Building Construction

基　　金：宁波市自然科学基金项目(2023J004)。

摘　　要：结合宁波滨海软土地区典型同步同心旋喷式复合斜桩支撑项目的各种底板裂缝情况,分析了复合斜撑桩周边底板出现裂缝的初步原因,并提出了多种预防措施,上述措施在后续项目实践中取得了良好效果,可供今后同类项目设计及施工借鉴。In combination with the various base plate crack cases of the typical synchronous concentric rotary jet grouting composite diagonal bracing pile support project in Ningbo coastal soft soil area,the preliminary causes of the base plate cracks around the composite diagonal bracing piles are analyzed,and a variety of preventive measures are put forward.These measures achieve good results in subsequent project practices and can be used for reference in the design and construction of similar projects in the future.

关 键 词：复合斜撑桩 滨海软土 裂缝 应力集中 预防措施 

分 类 号：TU753[建筑科学—建筑技术科学]