多元桩复合地基在高层建筑地基处理中的应用
摘要:介绍了钻孔夯底灌注桩——上部为灌注桩、下部为夯扩桩与钻孔夯扩挤密灰渣土桩相结合形成的多元桩复合地基在某工程中的应用,其中利用钻孔夯底灌注桩主要提高承载力和控制建筑物沉降,利用钻孔夯扩挤密灰渣土桩主要挤密桩间土,降低回填土层压缩性。通过分析计算得出了最佳地基处理方案,为类似工程提供了应用实例。
Abstract:As composite foundation with multi-element pile,the under-rammed bored pile,which composites the cast-in-place pile in upper part and the rammed bulb pile in under part,is used in an engineering by combining with the rammed and compacted lime-waste-soil pile.The function of this composite foundation lies in,improving the bearing capacity of ground soil and controlling the settlement of building by the under-rammed bored pile,and compacting the soil around pile and improving the compressibility of artificial soil by the rammed and compacted pile.The best plan of ground treatment from analysis and calculation can provide some valuable informations for the similar engineering.
中文标题：
多元桩复合地基在高层建筑地基处理中的应用
Application of the Composite Foundation with Multielement Pile in Ground Treatment for Highrise Building
作者：
孙志军1,王应严2
Sun Zhijun1,Wang Yingyan2
作者简介:孙志军,1969年生,男,汉族,吉林人,大专学历,主要从事岩土工程勘察和地基处理的设计与施工工作。
通讯地址：
1. 中航勘察设计研究院, 北京 100086; 2. 中建大成建筑有限责任公司, 北京 100044
1.AvicInstituteofGreotechnicalEngineering.Beijing100086China; 2.CHCEC-TAISEIConstruction,LTD,Beijing100044China
中图分类号:TU473.1
出版物：岩土工程技术
收稿日期:2004-09-01
网络出版日期:2021-07-08
关键词:多元桩复合地基,夯底灌注桩,钻孔夯扩挤密桩,灰渣土桩
Key words:composite foundation with multi-element pile,under-rammed bored pile,rammed and compacted bored pile,lime-waste-soil pile
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