振冲碎石桩与素混凝土桩复合地基在填海岩溶地基处理中的应用  

APPLICATION OF VIBRO REPLACEMENT STONE COLUMN-PLAIN CONCRETE PILE COMPOSITE FOUNDATION IN TREATMENT OF THE NEWLY RECLAIMED KARST AREA

作　　者：龚小陶[1,2] 张智浩[1,2] 马凛[1,2] 杨松[1,2] 

机构地区：[1]中冶建筑研究总院有限公司,北京100088 [2]中国京冶工程技术有限公司,北京100088

出　　处：《工业建筑》2012年第10期166-170,共5页Industrial Construction

摘　　要：以大连某项目为例分析了新近填海复杂岩溶区地基处理的特点及难点,提出了一种可适用性强,较为新颖的地基处理复合方案——振冲碎石桩联合素混凝土桩复合地基加固方案,并介绍了在新近填海复杂岩溶区的应用。Taking a project in Dalian for example,it was analyzed the characteristics and difficulties of the ground improvement in newly reclaimed complex karst areas,it was proposed a the workable,more innovative composite foundation improvement method： composite foundation combined vibro replacement stone colunmn and plain concrete pile.The paper also introduced its application in a newly redaimed area with complex cavity.

关 键 词：新近填海复杂溶洞区 素混凝土桩 振冲碎石桩 可靠度 沉降 不均匀沉降 

分 类 号：TU473.1[建筑科学—结构工程]