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首先,通过室内模型试验认为,一字形塑料排水板在换算成等效直径的砂井时换算系数宜为0.85~0.9.然后,对等效直径的各种研究方法进行了讨论,并给出了排水板等效直径的定义.
First of all, through the indoor model test, it is considered that the conversion coefficient of the inline plastic drainboard should be 0.85 ~ 0.9 when converted into equivalent diameter sand well.Then, various research methods of equivalent diameter are discussed, Drainage plate diameter equivalent to the definition.