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讀“基建总局基技雷(63)字第35号文”、“专业設計院标設計管理处专标桥(62)字第136号文”及铁路标准設計通訊1963年第2期肖正兴同志文后,对桥规§200中关于鋼筋混凝土压挠杆件的剪应力計算問題作了进一步地学习,觉得桥規中的算式和上面提到的各文中認为合理的公式一样都是近似式,只是在推求各該近似算式时所用的法向应力的計算公式的形式不同而已,似乎不能說它是不合理的。兹将这两种近似算式的推导写在下面,同时并提出一种較为简便的精确計箅式。請同志們指正。
Reading “Infrastructure Technology Thunder (63) word No. 35”, “Professional Design Institute standard design management office special tender bridge (62) word No. 136” and Railway Standard Design Newsletter 1963 No. 2 Xiao Zhengxing comrades Afterwards, further study on the calculation of shear stress of reinforced concrete compression-supported bar was made in the bridge regulation200, and found that the formulas in the bridge gauge are similar to the above-mentioned formulas considered as reasonable in every article, It is not reasonable to say that it is not reasonable to just assume that the formula for calculating the normal stress used in the approximation is different. We will write down the derivation of these two approximation formulas, and at the same time propose a simpler and more accurate method. Please comrades correct me.