The key to calculate the ultimate flexural strength of unbonded partially prestressed concrete (UPPC) beam Bridges is how to determine the ultimate stress of unbonded post tensioning tendons.
无粘结部分预应力混凝土(UPPC)梁桥抗弯强度计算的关键，是如何确定无粘结预应力筋的极限应力。
The main difficulty of stress analysis of unbonded partially prestressed concrete beam is how to determine unbonded tendons stress.
使用荷载下无粘结部分预应力混凝土梁应力分析的主要困难，是如何确定无粘结预应力筋的应力。
In recent years, the mixed reinforcement partially prestressed concrete (P. P. c) has been widely used in the engineering structure, especially in great size structures.
近年来，混合配筋部分预应力混凝土在工程结构中已经普遍使用，特别是在大尺寸的结构当中。
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