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提出了采用压弯模式计算预应力混凝土梁板构件正截面抗弯承载力的方法。该方法将平均有效预应力产生的综合弯矩和综合轴力视为荷载作用效应 ,将预应力增量部分视为抗力。该方法概念明确 ,避免了次内力的计算 ,简化了设计。
The method of calculating the flexural capacity of normal section of prestressed concrete beam-slab by compression-bending mode is proposed. The method considers the integrated bending moment and the composite axial force generated by the average effective prestress as the load effect, and the incremental part of the prestress as the resistance. The concept of this method is clear, avoiding the calculation of secondary internal forces and simplifying the design.