平原地区高速公路互通式立交主线下穿既有道路关键问题探讨  

Probe into Key Problems in Main Lain of Interchanges Under-through Existing Expressways in Plain Area

作　　者：沙莎[1] 

机构地区：[1]三江学院,南京210017

出　　处：《公路交通技术》2015年第2期34-39,共6页Technology of Highway and Transport

摘　　要：结合宿扬高速公路与扬州西北绕城高速公路交叉点处设置的扬州西枢纽互通式立交方案设计,研究互通式立交枢纽主线下穿既有道路设计方案的技术问题解决途径。根据互通式立交枢纽主线下穿既有道路设计方案中比较突出的区域排水、施工组织和对既有高速公路路基的影响等问题,提出相应的解决方案,可供类似互通式立交工程设计施工参考。In combination with design of solution to the western hub interchange in Yangzhou set at the intersection between Suzhou -Yangzhou Expressway and Yangzhou Northwest Ring Expressway,this paper researches the solutions to technical problems in design scheme for the main line of interchange hub under -through the existing expressways.In accordance with the highlighted problems including area drainage,construction organization and influences on roadbed of the existing expressways,etc.in design scheme for main line of interchange hub under -through the existing expressways,the paper proposes the corresponding solutions that can be referred to by design and construction of similar interchange projects.

关 键 词：互通式立交 主线下穿既有道路 区域排水 施工组织 路基稳定 

分 类 号：U412.352[交通运输工程—道路与铁道工程]