兰永公路软土地基处理后的沉降预测研究  

Research on Settlement Prediction of Consolidated Soft Soil Foundation of Lanzhou—Yongjing Highway

作　　者：朱彦鹏[1] 陈琰娇[1] ZHU Yanpeng CHEN Yanjiao(School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, Chin)

机构地区：[1]兰州理工大学土木工程学院,兰州730050

出　　处：《路基工程》2017年第1期1-6,共6页Subgrade Engineering

基　　金：国家科技支撑计划资助项目(2011BAK12B07);甘肃省自然科学基金资助项目(1208RJZA158)

摘　　要：根据兰永一级公路工程软土地基处理后的沉降实测资料,基于双曲线法、指数曲线法、幂多项式模型及Asaoka预测方法,对地基的沉降量进行预测。采取将预测结果与实测资料进行对比的方法,对4种预测模型进行了研究。结果表明:4种方法均可用于实际工程,Asaoka模型为最佳模型,对Asaoka方法的等时间间隔取值,一般为30天比较合理。According to the measured settlement data of consolidated soft soil foundation of Lanzhou-- Yongjing Highway, Class I, the foundation settlement allowance is predicted bsing on the hyperbolic method, exponential curve method, power polynomial model and prediction method of Asaoka the four prediction models are researched by comparing the the measured data results with predicted results. It shows that all of four methods can be applied to predict the settlement of the actual project, and Asaoka prediction model is the best model for determining the more reasonable equal time interval, 30 d generally.

关 键 词：公路工程 软土路基 沉降预测 等时间间隔 对比分析 

分 类 号：TU471.8[建筑科学—结构工程]