复合载体夯扩桩设计施工中若干问题探讨  

Analysis and Discussion on the Factors Affecting Design and Construction of Ram-compaction Piles with Composite Bearing Base

作　　者：张会宁 杨浩军[2] 

机构地区：[1]北京寰球地科岩土技术有限公司,北京100101 [2]北京波森特岩土工程有限公司,北京102218

出　　处：《铁道建筑技术》2006年第2期58-60,共3页Railway Construction Technology

摘　　要：阐述复合载体夯扩桩的工作机理、设计和施工中需要注意的几个问题,包括设计桩长的选择、单桩竖向承载力的计算取值、沉降计算深度起始位置的确定、桩身质量、夯填材料、土体含水量的影响、施工顺序的控制。The mechanism of ram-compaction piles with composite bearing base is introduced. The factors affecting design and construction are analyzed, including design pile length, single pile bearing capacity, settlement calculation, pile body quality, filling material, water content of the soil and construction order.

关 键 词：摩擦桩 复合载体夯扩桩 设计 施工 

分 类 号：U443.159[建筑科学—桥梁与隧道工程]