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一、前言纺织工厂常用的锯齿排架和冶金、机械等工厂常用的一般排架是完全不同的两种结构体系。前者为多跨的跨变结构。因此,锯齿排架柱的计算长度不能套用现行《钢筋混凝土结构设计规范》(TJ10—74)中的值,而需另行确定。另外,三角架立柱的计算长度也因规范中未规定,书籍中未提及,而使设计者甚感困难。本文试对这两个问题作一论述,提出相应的折合系数,可供参考。
I. INTRODUCTION The common saw racks used in textile mills and the common racks used in factories such as metallurgy and machinery are two completely different structural systems. The former is a multi-span cross-variable structure. Therefore, the calculated length of the sawtooth rack column cannot be applied to the value in the current “Design Code for Reinforced Concrete Structures” (TJ 10-74), and it must be determined separately. In addition, the calculated length of the tripod column is also not specified in the specification, and is not mentioned in the book, making the designer very difficult. This article tries to make a discussion of these two issues, and proposes the corresponding coefficients, which are available for reference.