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斜降墙、U型桥台、跌水等是水利工程中常见的建筑物,这些建筑物通常属于不规则结构,计算它们的工程量往往比较复杂。设计人员在计算这些建筑物的工程量时,多数时候是采用粗略的简化算法来计算的。采用简化算法能大大减少计算量,但是计算结果与实际相比会有一定的出入。本文作者在从事水利工程设计的工作中,逐渐总结出了一种计算这类不规则水工建筑物的方法——分割法。该法能精确计算出大多数常见的不规则水工建筑物的工程量。本文通过列举两个算例来介绍如何运用分割法来计算不规则的水工建筑物的工程量。
Inclined walls, U-shaped abutments, water fall, etc. are common buildings in water conservancy projects. These buildings usually belong to an irregular structure. Calculating the amount of their works is often complicated. Designers calculate the amount of construction of these buildings, most of the time is calculated using a rough simplified algorithm. The use of simplified algorithms can greatly reduce the amount of computation, but the calculation results will be a certain discrepancy compared with the actual. In the work of hydraulic engineering design, the author gradually summed up a method of calculating such irregular hydraulic structures - segmentation method. This method can accurately calculate the amount of construction of most common irregular hydraulic structures. This paper presents two examples to illustrate how to use segmentation method to calculate the irregular amount of hydraulic structures.