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兰海高速公路保障通道设计文件将取料场确定为点灯山剩余山体,该山体位于兰海高速公路旁,山体东南角最外缘距离高速公路排水沟约0.3m,东北角距离高速公路排水沟约1.7m,山体顶标高距离高速公路路面高差达31m。该山体开挖将直接危及高速公路设施和行车安全。笔者根据现场实际施工情况简单阐述山体开挖的施工及防护方案。
Lanhai Expressway security design documents will be identified as the pickup site for the rest of the mountain lights, the mountain is located next to the Lanhai Expressway, the southeast corner of the mountain distance from the highway drains about 0.3m, northeast corner of the highway drains About 1.7m, the top elevation of the mountain highway highway pavement height difference of 31m. The mountain excavation will directly endanger the highway facilities and traffic safety. According to the actual situation of the site the author simply described the construction of mountain excavation and protection programs.