分级加荷条件下公路软基路堤沉降的预测方法  

Settlement prediction method of embankment on soft ground under staged loading

作　　者：安英浩[1] 杨涛[2] 

机构地区：[1]黑龙江大学建筑工程学院,黑龙江哈尔滨150086 [2]上海理工大学城市建设与环境工程学院,上海200093

出　　处：《自然灾害学报》2007年第3期86-89,共4页Journal of Natural Disasters

基　　金：上海市教委科技发展基金资助项目(01F03)

摘　　要：软土地基上修筑路堤多采用分级施工的方法。在传统双曲线沉降预测法的基础上,提出了软土地基上路堤分级施工情况下沉降预测的一个新模型。该模型考虑了土的非线性特性和固结性质随荷载的变化,可实现尽早预报沉降的要求。通过工程实例验证了所提模型的适用性。Stage construction is a typical procedure for construction of embankment on soft ground. Based on the traditional hyperbolic method, a new model for prediction of settlement of stagewise constructed embankment on soft ground is presented in this paper. Soil has nonlinearly, and its consolidation character varies with the magnitude of the load in the model. Two cases study shows that predicted settlement is fairly consistent with the measured settlement. The proposed model is accurate and easy to operate, and can predict settlement in practical engineering in time.

关 键 词：路堤 沉降 分级施工 预测 

分 类 号：TU433[建筑科学—岩土工程]