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一、概况 陇海线下行庙沟隧道,东口南侧山坡为风化岩层夹有软层,1964年发现裂缝,1968年出现大滑坡,滑坡体呈半圆弧形,长约60米,宽40米,当时曾清除石方约4,500米~3。于1972年
I. Overview The Longhai line goes down the Miaogou tunnel and the south slope on the south side of the east exit has a soft layer of weathered rock. Cracks were found in 1964 and a large landslide occurred in 1968. The landslide body showed a semicircular arc about 60 meters long and 40 meters wide At that time, about 4,500m ~ 3 stonework was cleared. In 1972