扭面体工程量计算公式的探讨

Probe on Formula to Calculate Volume of Body with Warped Surface

扭面体是水利工程中常见的一种渐变面体,因为扭面是不可展开的曲面,其体积用一般方法计算较为困难。目前设计人员计算扭面工程量大都采用面积平均法,对工程量提取因人而异。文中从数学角度出发,试图推导出扭面体的计算公式,直接利用扭面体主要尺寸参数就能准确计算扭面体工程量。

As one of the common type of the hydraulic constructions, the warped surface is unable to spread into plain. Thus, the volume of the chunk with warped surface is difficult to be calculated accurately. Now, designers al-ways calculate the average area of the section to get an approximate quantity of the construction, so each designer has different consequence, In this paper, the author deduces a formula for calculating the volume of the body with warped surface accurately in which the parameters can get from the piece of the warped surface directly.