一、工程概况坪西一级公路葵涌至水头段全长11.83公里 ,路基宽度 2 2 .5米 ,双向四车道。位于深圳东部大鹏半岛 ,沿线地形起伏较大 ,地貌主要是低山丘陵及冲积平原 ,软基占公路全线长 2 .9公里 ,软土层主要是淤泥及淤泥质粘土 ,属典型的第四纪沉积层 ,具有含水量高、强度低、压 First, the project overview Pingxi a highway Kwai Chung to the first section of the total length of 11.83 kilometers, the roadbed width of 22.5 meters, two-way four lanes. Located on the Dapeng Peninsula in the east of Shenzhen, the terrain fluctuates greatly along the route. Its topography is mainly hilly and alluvial plain. The soft foundation occupies a total length of 2.9 km and the soft soil layer is mainly silt and silt clay, which is typical of the fourth Sediment layer, with a high water content, low intensity, pressure