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本文结合试验梁阐述了预弯预应力复合梁从制作到使用的各阶段正截面应力计算方法,提出了预弯预应力复合梁开裂后的强度计算公式,并对日本现行规范所荐用的计算方法进行了比较、讨论和分析。
Based on the test beam, the calculation method of the normal section stress of the pre-bent prestressed composite beam from fabrication to use is presented. The formula for calculating the strength of the pre-bent prestressed composite beam after cracking is proposed, and the calculation formula Methods are compared, discussed and analyzed.