高速公路连续高边坡路段改扩建方案研究

摘要

The original site reconstruction & expansion of the high-slope section will have a significant impact on the operation of the expressway adopting "operation while construction" mode,therefore it is worth exploring to select the rational reconstruction & extension scheme,as well as traffic organization method.This paper gives some thoughts of solution by study the new line extension and old road reconstruction at continuous high slope section between Zhenjiawu and Houzhai in Hangzhou-Jinhua-Quzhou Expressway.%高边坡路段原位改扩建将对采用"边通车边施工"方式的高速公路运营产生极大影响,因此如何选择合理的改扩建方案和交通组织方式值得探索.结合杭金衢高速公路郑家坞至后宅连续高边坡路段的改扩建方案对利用新线扩容和老路拓宽进行研究,并提出一些解决思路.