超软淤泥地基最终沉降量探讨  

Discussion on the final settlement of super-soft foundation

作　　者：朱群峰[1,2] 何宁[1,2] 王年香[1,2] 高长胜[1,2] 杨守华[1,2] 

机构地区：[1]南京水利科学研究院,江苏南京210029 [2]水文水资源与水利工程国家重点试验室,江苏南京210029

出　　处：《中国水利水电科学研究院学报》2015年第3期189-193,共5页Journal of China Institute of Water Resources and Hydropower Research

基　　金：国家高技术研究发展计划项目(2012AA112509);水利部公益性行业科研专项经费资助项目(201201015;201401006)

摘　　要：超软淤泥地基的计算参数难以准确测定,沉降计算条件比较复杂,造成其最终沉降量难以精确计算,一般根据工程现场实测沉降资料来进行推算,工程中常用的推算方法有三点法、Asaoka法和双曲线法。本文根据工程实测沉降资料分别采用上述三种方法来推求超软淤泥地基的最终沉降量,三点法推求结果和Asaoka法推求结果基本一致,双曲线法推求结果明显大于三点法。建议采用双曲线法推求超软淤泥地基的最终沉降量。It is difficult to confirm the calculation parameters of super-soft silt foundation accurately, and the settlement calculation condition is comparatively complex. So, the final settlement of the foundation can not be calculated precisely. It is predicted according to the measured settlement data generally in real engi- neering, and the three-point method, the Asaoka method and the hyperbolic method are the common meth- ods. In this paper, the final settlement of super-soft silt foundation is predicted using the above three meth- ods respectively, according to the measured data. Calculating results show that, the calculated results of three-point method are basically identical to the results of Asaoka method, and the calculated results of hy- perbolic method are significantly greater than thoese of the three-point method. The hyperbolic method is recommend to be the calculating method for final settlement prediction of super-soft silt foundation.

关 键 词：超软淤泥地基 最终沉降量 三点法 ASAOKA法 双曲线法 

分 类 号：TU433[建筑科学—岩土工程]