渝西枢纽互通式立交设计探讨.pdf

收稿日期:2014 07 10; 修回日期:2014 07 30作者简介:冯平(1971—),男,高级工程师。第 59 卷第 4 期2015 年 4 月铁道标准设计RAILWAY STANDARD DESIGNVol. 59 No. 4Apr. 2015文章编号:1004 2954(2015)04 0038 03渝西枢纽互通式立交设计探讨冯平(中铁第一勘察设计院集团有限公司,西安 710043)摘要:为了提高渝蓉高速公路与重庆绕城高速公路交叉处渝西枢纽互通式立交的服务水平,满足各方向车流快速、高效、安全转换的需求,根据立交周边地形地貌和城市规划等限制条件,对各阶段不同立交方案分别从交通和环境适应能力、行车安全、工程造价等方面进行多方案比选、优化后,最终推荐技术可行、经济合理、符合驾驶习惯的“变异 Y 形+变异喇叭形”设计方案,为今后类似枢纽互通式立交的设计提供参考。关键词:高速公路; 枢纽互通式立交; 设计中图分类号:U448. 14 文献标识码:A DOl:10. 13238 / j. issn. 1004-2954. 2015. 04. 011Probe into the Design of Yuxi Pivotal InterchangeFENG Ping(China Railway First Survey and Design Institute Group Ltd. , Xi’an 710043, China)Abstract: In order to improve the service of Yu Xi pivot interchange at the junction between Yu Rongexpressway and Chong Qing outer circular expressway, and to meet fast, efficient and safe transition ineach direction, this paper mends a “variable Y type+variable trumpet type” interchange proposal,according to the restricted conditions such as the surrounding landscape and urban planning. Theproposal proves to be feasible, economical and conform to driving habits with respect to traffic andenvironmental adaptability, safety and cost based on parison and optimization of differentinterchange plans. It may provide references for future similar interchange words: Expressway; Pivotal interchange; Design渝蓉高速公路(G5013)位于成渝经济区的核心地带,东起重庆市沙坪坝区青木关镇陈家桥,经过重庆绕城高速,连接璧山、铜梁、大