结合《规程》( JGJ/T92 - 93) [1] 及工程设计实例 ,分析了高次超静定预应力混凝土井式楼盖及特殊布筋框架结构顶层中的次弯矩分布特征 ,发现其形状、大小、正负号均不同于在一般连续梁和普通框架结构中的次弯矩 ,提出次弯矩不再是对支座有利对跨中不利且其在支座间的分布也可能不是直线的观点 ,提出《规程》存在局限性 . Based on the “Guidelines” (JGJ/T92-93) [1] and engineering design examples, the secondary bending moment distribution characteristics of the high-order statically indeterminate prestressed concrete well cover and the top layer of the special reinforcement frame structure were analyzed. The shape, size and sign are different from the secondary bending moments in the general continuous beam and common frame structures. It is proposed that the secondary bending moment is no longer beneficial to the support and is not beneficial to the midspan, and its distribution between the supports may not be From a straight line point of view, there is a limitation in the “Regulations”.