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国道 2 1 3线元江～磨黑高速公路通过地区地形起伏大 ,地貌复杂 ,经过了著名的红河深大断裂带和哀牢山构造带。全线工程地质问题较严重的 3大段落长度占全线总长的 37.66% ,发现有滑坡、崩塌、泥石流、软土 71段。在初步设计和施工图设计阶段 ,因不良地质问题改线较大段落有 6段。该条高速公路的工程地质问题 ,是目前云南省工程地质问题最多最严重的一条公路
State Road 2 1 3 Line Yuanjiang ~ Mohei Expressway through the terrain ups and downs, complex terrain, after the famous Honghe deep fault zone and Ailao Mountain tectonic belt. The length of the three major sections with more serious engineering geological problems in the whole line accounted for 37.66% of the total length of the whole line, and 71 sections of landslides, collapses, debris flows and soft soil were found. In the preliminary design and construction drawing design phase, because of adverse geological problems to change the larger paragraph has 6 sections. This highway engineering geological problems, is currently the most serious engineering geological problems in Yunnan Province, a road