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奉云高速公路是重庆市“二环八射”高速公路网中渝宜高速公路重要组成部分。奉云高速公路不但具有山区高速普遍存在的小半径弯道、长大下坡等不利于行车的特点,而且这条高速公路还具有独特的安全问题(如互通立交区和隧道紧密相连),因而其安全问题十分重要。本文介绍了奉云高速公路的施工图设计阶段安全性评价方法与结论,对这条山区高速公路存在的共性和个性的安全问题进行了探讨,并提出了建议方案。
Feng-yun Expressway is an important part of Chongqing-Chongqing Expressway “Bicyclic” “Expressway Network”. Fengyun Expressway not only has the characteristics of unfavorable driving characteristics such as small-radius curves prevailing in mountainous areas and high and low speeds, but also possesses unique safety problems (such as interconnection and interchange zones and tunnels). Therefore, Its security issues are very important. This paper introduces the method and conclusion of the safety assessment of the construction drawing design phase of Feng-Yun Expressway, discusses the commonalities and individual safety problems existing in the expressway in this mountain area, and puts forward some suggestions.