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淤地坝是保持水土建设基本农田的一项重要措施,它不仅可以抬高侵蚀基点,防止沟道下切和沟岸坍塌,而且在防洪减沙、淤地增产和充分利用水土资源等方面都有显著作用。但是,与其他水土保持措施相比,淤地坝的工程量较大,所需的劳力和投资都较多。为使工程在取得同样效益的前提下投资最省,有必要进行最优建坝方案的选择。本文着重对工程构成、建坝方式和分期加高坝的经济初修坝高进行分析探讨。
The silt dam is an important measure to maintain the basic farmland for water and soil construction. It not only can raise the base point of erosion, prevent the channel undercut and ditch collapse, but also have the functions of flood control and sediment reduction, siltation yield increase and full utilization of water and soil resources Significant effect. However, compared with other soil and water conservation measures, the dam has a large amount of construction work and requires more labor and investment. In order to make the project to achieve the same benefit in the premise of the least investment, it is necessary to choose the optimal dam construction program. This article focuses on the construction of the project, dam construction and staged high dam economic analysis dam height analysis and discussion.