Damages caused by debris flow head impact on structure are very grave ones among many debris flow damages.

在泥石流所带来的诸多灾害中，泥石流龙头冲击建筑物造成的危害是非常突出的。

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The equation for describing the movement of debris flow head in submerged flow pattern is established and the method for determining the corresponding parameters is proposed.

建立了潜入式交汇的泥石流龙头运动方程，并讨论了模型参数的取值。

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The make-up of the peak value of impact loading being analysed, the theories of pressure wave and granular flow are applied to establish a calculating method for estimating the flow head impact force.

分析了冲击荷载峰值的构成情况，运用压力波理论结合颗粒流的应力关系建立了龙头冲击力的计算办法，并对概化后的龙头计算其在冲击坝体时的作用力垂向分布。

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Not all of these benefits would flow from removing head-office duplication and overlapping operations such as mines and the railways linking them to ports.

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Wells in shale plays have to undergo a process known as fracturing to boost the porosity of the rock and to make oil and gas flow to the well head.

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That general sense of holiday cheer that makes the money flow just as it does when we head out for some Christmas shopping.

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