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桁架拱桥的简化计算主要是水平推力影响线的简化计算,本文推导出水平推力影响线的近似计算公式、列出数值用表,供从事工程设计的同志查用。本文也简要地介绍了桁架拱桥其它一些杆件的简化计算方法。
The simplified calculation of the truss arch bridge is mainly the simplified calculation of the horizontal thrust influence line. This paper deduces the approximate calculation formula of the horizontal thrust influence line, and lists the value table for the engineering design comrades to check. This article also briefly introduces the simplified calculation method for some other members of truss arch bridge.