A Practical Model for Deformation Prediction of Highway Subgrade Soils
A Practical Model for Deformation Prediction of Highway Subgrade Soils作者机构：School of Civil Engineering Southwest Jiaotong University Chengdu 610031 China Department of Civil Engineering University of Arkansas Fayetteville AR 72701 U.S.A.
出 版 物：《Journal of Modern Transportation》 (现代交通学报（英文版）)
年 卷 期：2000年第17卷第1期
页 面：13-24页
学科分类：08[工学] 0814[工学-土木工程] 082301[工学-道路与铁道工程] 0823[工学-交通运输工程]
主 题：constitutive relation subgrade soil pavement design
摘 要：This paper reports a practical constitutive relation for highway subgrade soils. The proposed model is derived based on the laboratory repeated load testing of four subgrade soils. Statistical parameters generally used in the power model of subgrade permanent strain are expanded into material constants with engineering significance. The constitutional relation reported in this paper can be used in the mechanistic based pavement design of highway flexible pavements and railroad tracks.
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