在此基础上研究了滑移对组合梁挠度、弹性抗弯强度及极限抗弯强度的影响，并建立起相应的计算公式。

Moreover, the influences of slip for deflection, elastic flexural capacity and ultimate flexural strength are researched, and corresponding formulas are inferred.

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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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在此基础上给出了无粘结预应力筋极限应力计算公式和UPPC梁正截面抗弯强度计算方法。

The formula for calculating the ultimate stress of unbonded post tensioning tendons and the calculating method of ultimate flexural strength of UPPC beam Bridges are proposed.

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