新老路基结合部处治技术  

Treating Technology for the Connecting Part between the New and the Existing Subgrade

作　　者：新老路基结合部处治技术课题组 

出　　处：《西部交通科技》2006年第4期9-12,共4页Western China Communications Science & Technology

基　　金：交通部西部交通建设科研项目(项目编号:2001.318.82260)

摘　　要：文章分析了路基拓宽工程的主要方式和工程技术问题,提出了新老路基不协调变形的计算方法和路面结构对路基不协调变形的力学响应模式,通过建立基于不协调变形控制的路基拓宽设计理论和方法,系统地提出不同条件下的新老路基结合部处治技术及其施工控制方法,为公路路基拓宽工程的设计与施工提供了科学依据。Analyzing the main modes and engineering technology of road-widening works,the article introduces the calculation method for the inharmonious deformation between the new and existing subgrade and the mechanical response mode for the inharmonious deformation in subgrade.By establishing a design theory and method for the subgrade expansion on the basis of inharmonious deformation control,the article proposes systematically the treating technology and the construction control method for the connecting part between the new and existing subgrade.It provides scientific reference for the design and construction of subgrade widening works.

关 键 词：新旧路基 拓宽设计 处治技术 施工控制 

分 类 号：U418.8[交通运输工程—道路与铁道工程]