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.
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 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。
Based on the analysis of the experimental data and the research results reported in references, the practical calculating equation of the ultimate stress in unbonded post tensioning is proposed.
在分析国内外大量试验数据和文献研究的基础上，建立了无粘结预应力筋极限应力实用计算方法。
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