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排导工程设计的主要任务应该是使工程能够通畅地排泄来自上游的泥石流体,而不发生或少发生淤积现象。 较合理的设计方法应该是从计算河床宣泄泥石流的能力着手。这就首先必须要能够准确
The main task of drainage engineering design should be to allow the project to discharge mud from the upper reaches of the fluid flow, without or less deposition phenomenon. A more reasonable design method should start with calculating the ability of the riverbed to shed debris flow. This must first be accurate