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观音山高边坡岩石开裂变形工点位于宝成铁路观音山车站,铁路里程为K26+500。地处秦岭山脉的北坡,山高坡陡,沟谷纵横,相对高差二百余米,自然坡陡于45度,部分是悬崖峭壁。铁路在清姜河右岸的半山腰上,劈山填沟修建车站,但主要以挖方通过,中心最大挖高30m,左侧路堑边坡高百余米,边坡面积约2万m~2,边坡的上部有一条高20～30米近东西向延伸的自然陡崖,中部被一自然洼槽分成(3号、4号)两个山头,施工时已被削平(见工点全貌照片1)。
Guanyinshan high slope rock cracking deformation point is located in Guanyinshan Baocheng railway station, the railway mileage of K26 +500. Is located in the northern slope of the Qinling Mountains, steep mountain slopes, vertical and horizontal valleys, the relative elevation of 200 meters, the natural slope steep 45 degrees, part of the cliffs. Railway Qingjiang River on the right bank of the hillside, hillside filling the ditch to build the station, but mainly to dig through the center of the largest dug 30m, the left side of the cutting slope of 100 meters high, slope area of about 20,000 m 2 The upper part of the slope has a natural cliff extending 20 to 30 meters in the east-west direction. The middle part is divided into two hills (No. 3 and No. 4) by a natural depression and has been flattened during construction (see photo 1 of the site) .