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一、工程地质概况场地表层素填土一般厚度6—7.8米。填土层系1977—1978年无组织的机械新填土,未经辗压处理。土质为褐黄、黄褐色的粘性土,含铁锰质氧化物及灰白色高岑土,局部夹少许矿渣碎石,其粒径2—5 cm不等,大者10cm,偶见少量的灰色亚粘土或淤泥。土层结构松散,软硬不一,均匀性差,尤以3m以上均匀性质更差,填土层底部有厚约30cm耕植土。第二层亚粘土,可塑,厚度0.3—1.6m不等,第三层粘土,硬塑,厚度未穿。
First, the engineering geology survey site surface fills the general thickness of 6-7.8 meters. The filling layer was unorganized and mechanically filled by soil from 1977 to 1978, and was not treated by rolling. The soil is brownish yellow, brownish clay soil, containing iron and manganese oxides and grayish white sorghum soil, with a small amount of slag gravel, with a particle size ranging from 2 to 5 cm, 10 cm larger, and occasionally a small amount of gray sub- Clay or silt. The soil structure is loose, with different softness and hardness, and poor uniformity. Especially, the uniform nature of 3m or more is even worse. At the bottom of the filling layer is about 30cm thick cultivated soil. The second layer of sub-clay, plastic, thickness ranging from 0.3-1.6m, the third layer of clay, hard plastic, thickness did not wear.