Research progress on accelerated corrosion test method which can evaluate the corrosion protecveness of the post tensioning grouts is reviewed.
综述了近期国内外在后张预应力结构灌浆材料加速腐蚀实验方面的研究进展。
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。
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