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目前对于先张法预应力构件所用的钢筋混凝土台座的计算尚缺乏统一合理的计算方法,因此,展开对实用计算方法的讨论,寻求一个合理而简便的计算方法是很有必要的。本文仅就《建筑技术》1981年第3期发表的《钢筋混凝土台座计算》一文所涉及的几个问题提些看法。 1.在《钢筋混凝土台座计算》(下简称“计算”)一文所述计算实例中(图1),(1)已知条件为R=∝。这是作者的一个假设,这个假设是不合理的。因为反力R实际上是厂房地坪对台座底板的水平反力,一般厂房地坪为8或10厘米厚的
At present, the calculation of the reinforced concrete pedestal used for the prestressed prestressed members still lacks a unified and reasonable calculation method. Therefore, it is necessary to develop a discussion on practical calculation methods and seek a reasonable and simple calculation method. This article will only give some opinions on the issues involved in the article “Calculation of reinforced concrete pedestals” published in “Architecture Technology” No. 3, 1981. 1. In the calculation example described in “Calculation of reinforced concrete pedestals” (hereinafter referred to as “calculation”) (Figure 1), (1) the known condition is R = ∝. This is an author’s assumption that this assumption is not reasonable. Because the reaction force R is actually the horizontal reaction force of the plant floor to the base plate of the pedestal, the general factory floor is 8 or 10 cm thick.