无粘结部分预应力混凝土低高度箱梁具有施工简便、节省材料等优越性。
The low height chest beam of cohesionless PPC possesses the superiority such as construction handy and economizing material et al.
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。
The main difficulty of stress analysis of unbonded partially prestressed concrete beam is how to determine unbonded tendons stress.
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 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.
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