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针对淤地坝坝系建设中存在的建坝时序问题,提出了淤地坝建坝时序的数学模型。该模型考虑的主要因素有:拦泥效益以及坝地的生产效益。按照效益最大化的结果求出最佳的建坝顺序。与其它模型比较,该模型的主要特点是考虑了三点实用的因素,即贴现率,保收率和建筑费。最后以虎山沟为例,使用该模型得到了建坝时序和效益,模型的合理性是通过计算的效益最大来证明的。
Aiming at the dam timing problems in the construction of the dam system, a mathematical model of dam timing of the dam is proposed. The main factors considered in this model are: the efficiency of sludge-holding and the production efficiency of the dam. In accordance with the results of maximizing efficiency to find the best dam sequence. Compared with other models, the main feature of this model is that it considers three practical factors, namely discount rate, guarantee rate and construction cost. Finally, taking the Hushan ditch as an example, we get the sequence and benefit of dam construction by using this model. The rationality of the model is proved through the calculation of the maximum benefit.