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A Method of Calculating the Short- Period Stiffness of Strengthened RC Beams
Author(s): 
Pages: 48-50
Year: Issue:  1
Journal: JOURNAL OF NANCHANG UNIVERSITY(ENGINEERING & TECHNOLOGY)

Keyword:  加固受弯梁短期刚度;
Abstract: 本文对采用增加截面高度和增加受拉区钢筋面积方法加固的梁的受弯性能进行了分析,并对该梁的裂缝阶段短期刚度进行了初步的研究.根据对该种加固梁进行的基本计算假定,对其各种影响因素进行简化处理,并运用梁截面的物理关系、几何关系和平衡关系,结合现行的规范,提出了相应的短期刚度计算公式.该公式类似于普通混凝土构件的短期刚度计算公式,对实际工程中该类型加固梁的研究有一定的参考意义.
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