Abstract: The Three projects rigid frames lookum, cantalever rigid frame lookum and retaining wall are privided to father Tianshan in K617 section of North Tianshan highway diseases. Based on the especial rerrain and geology, this paper optimizes the advantages and disadvantages of the three projects and applies cantalever rigid frame.

Key words: Three rigid frames lookum, cantalever rigid frame lookum, retaining wall, project optimizing

摘要： 笔者对新疆北天山公路K617线公路病害的治理提出了三刚架棚洞、悬臂式刚架棚洞和挡土墙等三种方 案,根据当地特殊的地形地质条件进行了方案优化,采取了悬臂式刚架棚洞的设计方案.

关键词: 三刚架棚洞, 悬臂式刚架棚洞, 挡土墙, 方案优化