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为了弄清水库水账,科学管理水库,充分发挥水库的效益,水库需要有库容曲线。但是,目前不少中小型水库因种种原因还没有准确的库容曲线,或者还是建库初期实测的,建库后多年来未曾重新实测修正。绘制或修正库容曲线的方法,一般是由地形图量算,或断面法计算等,外业测量,内业整理的工作量较大,一般中小型水库不易做到。我们在实际工作中采用水量平衡法来推算库容曲线,效果较好,现简要介绍如下:
In order to clarify the reservoir water account, scientific management of reservoirs, give full play to the benefits of reservoirs, reservoirs need to have a curve. However, at present, many small and medium-sized reservoirs have not yet got an accurate curve of the storage capacity due to various reasons, or have actually measured in the early period of the construction of warehouses, and have not re-measured and corrected them after years of building their warehouses. The method of drawing or correcting the curve of the storage capacity is generally calculated by the amount of the topographic map or the calculation of the sectional plane method. The workload of the field measurement and interior finishing is large, and the small and medium-sized reservoirs are not easy to do. In practice, we use the water balance method to calculate the volume curve, the effect is better, are briefly described as follows: