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中文摘要：
对预应力纤维增强塑料（FRP）筋嵌入式加固混凝土梁正截面受力状态进行分析，并考虑二次受力对加固梁的影响，通过正截面强度计算的应变协调分析方法，对开裂弯矩、屈服弯矩和极限弯矩公式进行推导和优化，得出简单实用的计算公式．计算结果与实验结果吻合良好，可为以后的研究和设计提供参考．
英文摘要：
Normal section of RC reinforced were analyzed. Through beam strengthened with Near-Surface Mounted （NSM） prestressed FRP the analysis method of the normal section of the coordination between the strain strength, cracking moment ,yield moment and ultimate moment formula were derived and optimized. Simple and practical formula was obtained. The calculated result agrees well with the experimental result, which is provided for future reference in research and design.
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