宁波地区某超400米超高层项目结构设计之软土地基桩基基础方案优化比选  

Structural design of a super 400 meter high rise project in Ningbo,Comparison and selection of pile foundation schemes for soft soil foundation

作　　者：张毅 沈磊[1] 朱大伟 Philip Zhang;Shen Lei;Zhu Da-wei(Initiate os Shanghai Architectural Design&Research Co Ltd,Shanghai 200092)

机构地区：[1]华建集团上海建筑设计研究院有限公司,上海200092

出　　处：《建筑科学》2020年第S02期91-97,共7页Building Science

摘　　要：以一个宁波地区某超400米的超高层项目为例,通过理论、试验、建立模型、数据分析、工程造价对比等方法,对基础设计中,合理选择桩基持力层、桩长、桩径、桩后注浆施工工艺、单桩承载力、桩基配筋率、桩距布置形式、筏板厚度,进行了深入的研究。Taking a super high-rise project of over 400 meters in Ningbo area as an example,through the methods of theory,test,model establishment,data analysis and project cost comparison,the reasonable selection of pile foundation bearing layer,pile length,pile diameter,post pile grouting construction technology,single pile bearing capacity,pile reinforcement ratio,pile spacing layout form,raft thickness,etc.is studied in depth.

关 键 词：超高层建筑 宁波地区 基础优化设计 桩基长径比 桩端桩侧后注浆 圆砾层与中风化岩层 桩刚度沉降迭代分析 超高层筏板厚度比选 

分 类 号：TU973.3[建筑科学—结构工程] TU473.1