But when the traffic is inconvenient, the cofferdam only constructed by manpower and needs overfall, traditional styles of cofferdam are unuseful.
而对于交通不便,只能以人力施工为主的地区,需要短期溢流的临时挡水设施,传统的围堰形式则无能为力。
But when the traffic is inconvenient, the cofferdam only constructed by manpower and needs overfall, traditional styles of cofferdam are unuseful.
而对于交通不便,只能以人力施工为主的地区,需要短期溢流的临时挡水设施,传统的围堰形式则无能为力。
In allusion to drilling well cofferdam grouting antiseepage in riverside pump house,authors discuss hydrofracture grouting theory in soil layer,its design method and construction steps.
针对江边泵房井筒围堰防渗,探讨了土层劈的原理、方法和施工要点。
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