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淮南市污水处理厂是一座设计日处理３０万ｔ的大型污水处理厂 ,位于淮河岸边高漫滩地带。该地原为电厂的灰场 ,粉煤灰厚达７～１２ｍ ,含水率６３．４ % ,地基强度低 ,变形量大 ,采用机械强夯等常规方法进行加固比较困难 ,且费用高 ,经论证决定采用粉喷桩加固地基。１场地地质?
Huainan City Sewage Treatment Plant is a large-scale sewage treatment plant with a designed daily capacity of 300,000 t. It is located on the high floodplain along the Huai River. The place was originally the ash yard of the power plant. The thickness of fly ash is 7-12m and the water content is 63.4%. The strength of the foundation is low and the deformation is large. It is difficult to consolidate with conventional methods such as mechanical dynamic compaction, and the cost is high. Demonstration decided to use DJM pile foundation. 1 site geology?