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针对清连一级公路既有工程技术现状特点,提出高速化升级改造的总体目标,进而研究提出升级改造的工程方案,即对连续长大陡坡路段和平曲线线形组合较差路段通过交通事故原因分析,提出较彻底的改善路线线形的设计方案,对一般路段提出尽量利用现有道路的设计思路,对现有道路路基病害、边坡不稳、路面破损、桥梁开裂、隧道病害等问题提出综合整治技术方案,对高速化封闭工程的互通立交规划设置、地方道路的统筹规划、辅道与连接线设置等问题进行了总体考虑。
In view of the current status of existing engineering technology in Qinglian Class I highway, the overall goal of high-speed upgrading and reconstruction is put forward. Then, the engineering proposal of upgrading and upgrading is proposed, that is, to analyze the causes of traffic accidents through the combination of poor and straight line segments Proposed a more thorough design of the alignment of the route, put forward to make full use of the existing road design ideas for the general sections proposed comprehensive treatment of road subgrade disease, slope instability, pavement damage, bridge cracking, tunnel disease and other issues Technical programs, the high-speed closed-end project of interchange planning and setting up, planning of local roads, auxiliary roads and connecting lines to set the overall consideration.