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1、工程概况云南水富—麻柳湾高速公路第5合同段K33+490～+620为路基挖方段,位于云南水富县太平乡,沿大河左岸逆流而上。路基通过的地貌复杂,地形横坡陡峻,开挖坡口线(坡比1:0．3～0．5),边坡高度在15～50米间。根据地质钻探报告,该段属斜坡地貌,由褐红、灰黄、灰色人工填土和泥岩、砂岩碎石组成,潮湿,松散～稍
1, Project Overview Yunnan Shui Fu - Maluwan Expressway Contract No. 5 K33 + 490 ~ + 620 is the excavation section of the subgrade, located in Taiping Township, Shuifu County, Yunnan Province. It flows upstream along the left bank of the river. Roadbed through the complex landscape, terrain steep slope, excavation slope line (slope ratio of 1: 0.3 ~ 0.5), the slope height of 15 to 50 meters. According to the Geological Drilling Report, this section is a slope topography consisting of maroon, grayish yellow, gray artificial fill and mudstone, sandstone and gravel, moist, loose ~ slightly