On the basis of sand excavation,river regime and measured profile data in the lower Qinhe River,the effect of sand excavation on the channel was analyzed. The sand excavation scheme combining with river training and measures control of abnormal river regime caused by sand excavation was presented in this paper. Study results show that with the influence of sand excavation,the current designed water level comparing with measured value averagely decreases 3. 12 m from Wulongkou to Danhekou and 1. 69 m from Da...
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