Aiming at solving the problem in studying sediment incipient velocity of slope runoff under rainfall condition,we establish a formula for calculating sediment incipient velocity of uniform sediment on slope runoff under the rainfall condition,by introducing the raindrop erosion force into the incipient force analysis process of slope runoff sediment,and carry out a typical experiment and verify it by the existing and the typical experimental data.The results show that it is reasonable to take raindrop erosi...
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