概述了预应力混凝土结构空间分析时模拟预应力施加的方法，提出了引入平面杆系计算结果确定钢束有效预应力分布的方法，并与常规的折减系数法进行了对比分析，指出了进一步提高分析精度的方法。%The paper surveys the simulation of the prestress in the analysis of the prestressed concrete structural spatial analysis, indicates the method of leading the plane bar calculation result to identify the effective prestress distribution of the steel cable, undertakes the comparison and analysis with the regular shear strength reduction method, and points out the methods to promote the analysis accuracy.
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