【摘要】 通过对扭面的特点分析 ,创造性的提出分界面及其定型公式这一崭新概念 ,揭示了扭面与 2端矩形截面及梯形截面之间的内在关系 ,对于指导扭面的正确施工放线 ,具有很强的实际意义 ,并可由此获得较高的经济效益。更多还原

【Abstract】 Based on analyzing features of twist surfaces, a concept of interface is introduced in. A formula of describing quantitatively the relationships between twist surface and rectangle sections/trapezoid sections at both ends is presented in this paper. The formula is helpful for correctly layout and construction of a twist surface.更多还原