摘要
基于对钢筋混凝土双向受弯构件抗剪机理的试验研究,应用灰色系统理论的关联度分析方法,对无腹筋钢筋混凝土双向受弯构件抗剪强度的影响因素进行关联度计算. 分析结果表明:在集中荷载作用下()31<<l,混凝土强度、纵筋配筋率、加载剪跨比、荷载斜弯角和截面高宽比对无腹筋双向受弯构件抗剪强度的影响依次减小;在均布荷载作用下,纵筋配筋率、梁的跨高比、截面高宽比、混凝土强度和荷载斜弯角对构件抗剪强度的影响依次减小. 最后对有腹筋梁也进行了类似的分析,并得出了相应的结论.
Based on the study of R.C beams with no web reinforcement subjected to biaxial loads, the main influence factors, which affect the shear strength of biaxial bending R.C. beam, are analyzed with Grey Conjunction method. The analysis result shows that:Under concentrated loads(when )31<<l, the influence degree on shear strength is reduced in turn with the concrete strength,the ratio of longitudinal reinforcement,the load inclination,the ratio of shear span to depth and the depth-width ratio of cross section. Under well-distributed loads, the influence degree on shear strength is reduced in turn with the ratio of longitudinal reinforcement, the ratio of span to its depth, the depth-width ratio of cross section, the concrete strength and the load inclination. Finally, similar analysis is carried out in R.C beams with web reinforcement, and the corresponding conclusion is received.
出处
《五邑大学学报（自然科学版）》
CAS
2002年第4期48-53,共6页
Journal of Wuyi University(Natural Science Edition)
