钢筋混凝土构件正截面受弯承载力计算中美规范对比

Comparison of Chinese And American Codes for Calculation of Flexural Bearing Capacity of Reinforced Concrete Members

从计算方法的基本假定、适筋和超筋破坏的界限、材料强度设计取值、配筋设计方法以及算例等方面,对中国GB50010-2010《混凝土结构设计规范》和美国ACI318M-2014《结构设计规范》进行了正截面受弯承载力计算深入的对比。通过算例分析,美国规范进行结构设计的内力设计值、配筋面积比中国规范大,相同建筑材料、荷载条件下,美国规范计算配筋比中国规范计算配筋大约5.5%~9.2%。

An in-depth comparison of the Chinese GB50010-2010 Code for Design of Concrete Structures and the American ACI318M-2014 The Structural Design Code on the calculation of the bending capacity of the normal section from the basic assumptions of the calculation methods,the limits of suitable and super-reinforced failures,material strength design values,reinforcement design methods,and calculation examples.Through the analysis of examples,the internal force design value and the reinforcement area of the structural design of the US code are larger than those of the Chinese code.Under the same building materials and load conditions,the calculated reinforcement of the US code is about 5.5%~9.2%more than that of the Chinese code.