摘要
纵向钢筋的锈蚀将对钢筋混凝土梁的受剪承载力产生不利影响,而这一点往往易被忽视.以普通钢筋混凝土梁的“梁作用”和“拱作用”抗剪机理为基础,分析了无腹筋梁中纵向钢筋的锈蚀对“梁作用”和“拱作用”抗剪机理的不利影响和由此带来的受剪承载力的降低,并结合已有的试验结果,提出了受剪承载力降低系数α的计算方法以及无腹筋梁纵向钢筋锈蚀后受剪承载力的计算公式,计算结果与试验结果吻合较好,为进一步研究有腹筋梁钢筋锈蚀后的受剪承载力奠定了基础.
Corrosion of longitidual reinforcements affects badly shear capacity of reinforced concrete beams, but it is ignored sometimes. Based on the shear mechanism of reinforced concrete beams, the effect of corroded longitidual reinforcements on shear capacity of simply supported concrete beams is analysed. Together with tests, a calculating formula for shear capacity of simply supported concrete beams with corroded reinforcements is provided. The calculated results are in good agreement with test data.
出处
《南昌大学学报（工科版）》
CAS
2006年第2期194-196,共3页
Journal of Nanchang University(Engineering & Technology)
关键词
锈蚀
钢筋混凝土
梁
受剪承载力
corrosion
reinforced concrete
beam
shear capacity
