大面积吹填砂后地基的最终沉降量和固结度分析  

Analysis of Ground Final Settlement and Consolidation Degree after Large-area Reclamation of Sand

作　　者：张建跃 蔡建 苏俊剑 

机构地区：[1]中交上海航道勘察设计研究院有限公司

出　　处：《水运工程》2008年第7期143-146,共4页Port & Waterway Engineering

摘　　要：在上海洋山深水港海域软土地基上大面积吹填砂后,对该地基的分层沉降观测数据进行分析,采用双曲线法和三点法推算地基最终沉降量,分析了观测时间对推算地基最终沉降量的影响。在缺少开始吹填砂到开始观测时间段内的初始沉降量情况下,结合地质资料提出土层固结度的推算方法。After large-area reclamation of sand on soft ground at Shanghai Yangshan deep water port sea area, stratified settlement data of the ground were observed and analyzed, according to which, influence of observation time on ground final settlement＇s prediction was studied by using hyperbolic method and three-point method. Combining with the geologic resources, the calculation method of soil layer consolidation was proposed under a lack of initial settlement data during the period from beginning of reclamation to start of observation.

关 键 词：大面积吹填砂 最终沉降量 双曲线法 三点法 固结度 

分 类 号：TU471.8[建筑科学—结构工程]