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利用综合内力法原理 ,推导了预应力混凝土结构正截面极限承载力计算公式 ,这些公式采用预应力作用下的综合内力 ,考虑次轴力和次弯矩的影响 ,可用于正截面受弯承载力、偏心受压承载力和偏心受力各类结构的承载力计算。本文公式简捷 ,方便工程应用
Based on the principle of integrated internal force method, the formulae for calculating the ultimate bearing capacity of the normal section of prestressed concrete structures are deduced. These formulas use the integrated internal forces under prestressing force, taking into account the influence of the secondary and secondary bending moments, and can be used for the bearing capacity of the normal section. Calculation of the bearing capacity of various types of structures, eccentric compression bearing capacity and eccentric force. This formula is simple and convenient for engineering applications