基于弹性半空间体理论的路基工作区深度研究  

Research on Subgrade Working Area Depth Based on Elastic Half-space Body Theory

作　　者：李长锋 LI Chang-feng(Guangxi Forest Inventory ＆ Planning Institute,Nanning,Guangxi,530011)

机构地区：[1]广西壮族自治区林业勘测设计院,广西南宁530011

出　　处：《西部交通科技》2018年第10期10-13,共4页Western China Communications Science & Technology

摘　　要：文章基于弹性半空间理论的车轮荷载竖向附加应力的取值换算原则,采用Boussinesq法求解荷载竖向附加应力,明确了当量土层厚度换算及自重应力计算方法,并结合工程实例计算分析,验证了基于弹性半空间理论的路基工作区深度计算方法的可行性与合理性。Based on the calculating principle for the vertical additional stress of wheel load by elastic half-space theory,this article used the Boussinesq method to calculate the vertical additional stress of the load, defined the equivalent soil-layer thickness calculation and self-weight stress calculation method, then, combining the calculation analysis of engineering examples, it verified the feasibility and rationality of calculation method for subgrade working area depth based on elastic half-space theory.

关 键 词：弹性半空间体 工作区深度 荷载应力 自重应力 地基处理深度 

分 类 号：U416[交通运输工程—道路与铁道工程]