silt drain

Temporary ditches such as channels, earth bunds or sand bag barriers shall be provided to facilitate run-off discharge into stormwater drain, via a silt retention pond;

应挖掘临时壕沟等排水道，及设置土堤或沙包屏障，以利便径流通过淤泥沉积池才排入雨水渠；

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Over time , though , silt and leaves had clogged the drain.

但是,时间久了, 淤泥和树叶就会阻塞下水道.

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Through the comparison of the construction schemes the dewatering with open drain, replacement and dynamic compaction are used for the treatment of saturated silt ground under groundwater.

对地下水位以下较深的饱和粉土地基处理，经过方案比选，采用明沟降水，并进行部分换填加基坑内强夯的处理方法。

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