铁道标准设计2019，Vol.63Issue(1)：25-28,4.DOI:10.13238/j.issn.1004-2954.201705180005
铁路路基地基处理极限状态法试设计分析
Analysis and Trail Design of Railway Foundation Treatment Based on Limit State Method
摘要
Abstract
The foundation treatment technology of railway engineering in our country is still in the design stage based on allowable stress method.This method is convenient and has accumulated many years of design experiences and has formed a stable design system. However, the allowable stress method can't reflect the true impacts of various factors on the safety of subgrade due to its limitations that restrict the development and application of foundation treatment technology. With the continuous development and progress of modern railway, provisional specifications for the limit state design method have been written by the railway industry. The bearing capacity of composite foundation, composite foundation settlement after construction, and the overall stability are calculated by means of two different design methods. Then the calculation results are compared, the advantages and disadvantages of the two design methods are put forward, and the feasibility and necessity of using the limit state method are addressed. Some suggestions are given for the modification and improvement of the foundation treatment in the design of railway foundation treatment with the limit state method.关键词
铁路路基/地基处理/容许应力法/极限状态法/可靠度/试设计Key words
Railway subgrade/Foundation treatment/Allowable stress design method/Limit state design method/Reliability/Trial design分类
交通工程引用本文复制引用
黄新智..铁路路基地基处理极限状态法试设计分析[J].铁道标准设计,2019,63(1):25-28,4.基金项目
铁道部科技研究开发计划项目(2012G014-G) （2012G014-G）
中国铁路总公司科技研究开发计划项目(2015C002-J) （2015C002-J）
