中欧(英法)普速铁路重力式挡土墙设计对比分析  

Comparative Analysis on the Design of Gravity Retaining Wall of Sino-European Conventional Railway(UK and France)

作　　者：陈豪 柳刚 CHEN Hao;LIU Gang(CCCC Second Highway Consultants Co.,Ltd.,Wuhan 430052,China)

机构地区：[1]中交第二公路勘察设计研究院有限公司,武汉430052

出　　处：《路基工程》2021年第5期1-7,共7页Subgrade Engineering

基　　金：中交第二公路勘察设计研究院有限公司企业基金项目(KJFZ-2017-054-001)。

摘　　要：为提高中国工程师对Eurocode 7规范体系的理解和掌握,分析了中欧普速铁路重力式挡土墙设计规范体系,并以某普速铁路重力式路堑挡土墙为算例,按中欧规范运用GEO5软件做检算对比。结果表明:按欧洲规范设计的挡土墙尺寸比中国规范大;中欧规范设计输入参数有差异,欧洲规范卡柯土压力计算结果比中国规范大;中欧规范抗滑移和抗倾覆原理基本相同,偏心距限值和地基承载力差异较大;一般情况下,中国规范检算通过且优化尺寸后的重力式挡土墙不能通过欧洲规范检算。In order to improve Chinese engineers'understanding and mastery of Eurocode7 system,we analyzed the design codes system of gravity retaining wall on the Sino-European conventional railway.And taking a gravity retaining wall in cutting area of conventional railway as an example,it is calculated and compared by using the GEO5 software according to the Sino-European standards.The results show that the dimensions of the gravity retaining wall designed as per Eurocode is larger than that as per the Chinese code.The results show that the design input parameters of the Chinese and European standards are different,and the results of the European standard Caquot earth pressure are larger than that of the Chinese standard;the sliding and overturning resistance principles of the Chinese and European standards are basically the same,but the eccentricity limit and the foundation bearing capacity are quite different;Generally,the gravity retaining wall passed the check and optimized dimensions by the Chinese standards cannot pass the check of European code.

关 键 词：重力式挡土墙 Eurocode 7 规范对比分析 土压力 GEO5软件 

分 类 号：U213.152.2[交通运输工程—道路与铁道工程]