摘要
预应力梁裂缝计算结果直接影响到梁的配筋,不同的计算方法引起计算结果差异较大。通过采用不同规范规定的预应力梁裂缝计算方法计算分析,指出混凝土规范方法和名义拉应力法之间的差别,并通过计算给出了修正的名义拉应力供设计人员参考。
Crack calculation result of PPC beams determines the design results directly, and different calculation methods give notable different results. Based on the comparison of calculation method suggested by different design codes, this paper analyzed different calculation results for cracks in PPC beams. Finally a modified nominal tensile stress was proposed.
出处
《结构工程师》
2008年第1期5-7,25,共4页
Structural Engineers
关键词
部分预应力混凝土
裂缝控制
名义拉应力
partially prestressed concrete, crack control, nominal tensile stress
