文档介绍：文章编号: 1002Ο0268 (2004) 05Ο0043Ο04
填石路基稳定性设计方法研究
革1 ,2 ,
郑俊杰2
曾
(11 湖南城市学院, 湖南益阳 413000 ; 21 华中科技大学道路与桥梁工程系, 湖北武汉 430074)
摘要: 填石路基是山区高等级公路常见的路基形式, 其稳定性是一个值得重视的问题。本文在分析填石路基现行设计
方法的基础上, 从填石路基边坡码砌层和内部填石的力学作用与力学特性出发, 导出了填石路基稳定性计算公式, 给出了计算参数的选取方法, 分析了码砌厚度、内部填石压实质量、地基承载力等因素对填石路基稳定性的影响, 从而建立了该类路基的稳定性设计方法。通过计算示例和工程实践分析, 阐明了本文方法的理论与实用价值, 可供山区填
石路基稳定性设计参考。
关键词: 填石路基; 稳定性设计; 码砌厚度; 压实标准; 地基承载力
中图分类号: U41611
文献标识码: A
Study o n De sign Metho d of Sto neΟfille d Subgra de Sta bility
Z ENG Ge1 ,2 , ZHENG J unΟjie2
(11Hunan City University , Hunan Yiyang 413000 , China ;
21Huazhong University of Science and Technology , Hubei Wuhan 430074 , China)
Ab stract : The stoneΟfilled subgrade mon in high grade highway in mountain areas , and its stability is very important1Based on the analysis of the current design method of the stoneΟfilled subgrade , the calculation formula of the stability of stoneΟfilled subgrade is presented according to the mechanical mechanism and characteristic of stoneΟbuilt slope and internal stone filling1At the same time , the method of choosing calculation parameter is given1Considering the thickness of stoneΟbuilt slope , paction quality of internal stone filling and the ground bearing capacity , the stability design method of such subgrade is put forward in this paper1With the analysis of typical examples and engineering practice , the theoretic and pract