摘要
沉降量和沉降速率控制是软土地基上路堤工程设计的关键问题 ,由于固结理论的局限性和参数的不确定性 ,理论预测的精度较低 ,而基于现场实测数据的观测法显示出较高的精度 .本文在Asaoka观测法的基础上 ,发展了一种软土路基上分期施工时路堤沉降预测的方法 ,结合江苏海相软土上的高速公路工程进行了沉降预测分析 .
Themagnitudeandrateofthesettlementarethekeyelementssubjectedtodesignanalysisofembankmentsonsoftground .Theobserva tionalmethodsbasedonfieldmeasurementhaveindicatedthepromisingresultsandbecomeeffectivemethodstopredictthefinalsettlement,while the uncertainties of parameters and the orieslimitsignificantlytheaccuracy of settlementestimation .This paperpresentsanobservationalmethodto predict the settlementperformanceofembankmentswithstageconstructiononsoftgroundbasedonAsaokamethod .Thecasestudiesshowtheac cordanceofthepredictingresults with the fieldmeasured data .Itis alsogiven from the case study that the value of Eu/curatiorangesfrom 5 0to 10 0forJiangsuMarineclayanditsactualcoefficientofconsolidationisalmostoneorderofmagnitudelarger than the laboratory data .
出处
《岩土工程学报》
EI
CAS
CSCD
北大核心
2003年第2期228-232,共5页
Chinese Journal of Geotechnical Engineering
基金
TheresearchissponsoredbyDoctoralProgramFundsofEducationMinistryofChina(No .2 0 0 10 2 86 18)
关键词
软土地基
施工
路堤
沉降
预测
settlement
embankment
observationalmethod
stage construction
Jiangsu Marineclay
