就西庄枢纽立交论被交叉公路预留四改八方案

 

郭兴华

(陕西交通公路设计研究院有限公司,陕西 西安710065

 

  要:通过设计工作实践,对互通枢纽立交设计过程中,遇到被交叉高速公路预留四改八条件时的方案论证,通过经济、安全等方案论证各方案的利弊,为在以后互通枢纽立交设计过程中应重视这些问题,以及规划出入口时保持前瞻性提供了借鉴和参考。

关键词:互通立交;预留四改八;选型;接线方案

中图分类号:U412        文献标识码:A

 

Discussing on Reservation Scheme of the Lanes Number from Four to

Eight of Minor Cross Highway Based on Xizhuang Hub Interchange

GUO Xing-hua

(Shaanxi Highway Communication Design and Research Institute Co., Ltd.Xi’an 710065, China)

Abstract: According to the design work practice, the reservation scheme of the lanes number from four to eight of minor cross highway in the process of hub interchange design Based on the discussion of economy and security, the advantages and disadvantages of each scheme were demonstrated The results showed that these issues should be valued in designing hub Interchange and the forward-looking should be kept when planning entry and exit.

key words: hub interchangereservation of lanes from four to eightselectionwiring scheme