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油罐建在吹填土地基上,由于吹填土强度低、稳定性差,不能满足要求。所以我们利用钢罐逐级充水的荷载,使地基逐级固结,达到了预期强度,满足了建罐要求。 1 地质概况吹填土及表土下依次系褐黄色亚粘土(承载力为6OkPa)、灰色淤泥质亚粘土(承载力65kPa)、亚砂土(65kPa),淤泥质粘土(承载力5OkPa)、暗绿色或黄色硬土(承载力220kPa)。地基土层物理力学性能指标如表1。
The oil tank was built on the dredger foundation. Because of the low strength and poor stability of the dredger fill, it cannot meet the requirements. Therefore, we used the progressive filling of steel tanks to consolidate the foundation in stages, achieving the expected strength and meeting the requirements for building tanks. 1 Geological Survey Filling soil and under the top soil are brown yellow sub-clay (bearing capacity of 6OkPa), gray silty sub-clay (65kPa capacity), sub-sand (65kPa), silty clay (capacity 5OkPa), dark Green or yellow hard soil (capacity 220kPa). The physical and mechanical performance indicators of the foundation soil are shown in Table 1.