碎石桩加固地基力学机理分析  

On dynamic mechanism analysis of gravel pile to consolidate foundation

作　　者：蒋敏敏[1] 王惠芬[1] 韩尚宇[2] 

机构地区：[1]河南工业大学土木建筑学院,河南郑州450001 [2]南昌航空大学土木建筑学院,江西南昌330000

出　　处：《山西建筑》2012年第27期78-79,共2页Shanxi Architecture

摘　　要：对碎石桩复合地基的加固机理进行了分析,揭示了碎石桩加固地基土体的效应主要包括:挤密、置换和固结等效应,并分析了扰动区渗透系数变化的碎石桩固结特性,以指导碎石桩施工实践。The paper analyzes the consolidation mechanism of the composite foundation of the gravel piles, discloses the effect of the consolidated foundation of the gravel piles, including the compaction effect, the substitution effect and the consolidation effect, and analyzes the consolidation features of the gravel piles with the permeability coefficient changes at disturbed zones, so as to direct the construction of the gravel piles.

关 键 词：碎石桩 加固 机理 

分 类 号：TU473.1[建筑科学—结构工程]