期刊论文

Study of Shear Bearing Capacity Calculation Methods for Notched Connectors in Timber-Concrete Composite Girder

中文

世界桥梁

1671-7767

2016

44

6

41-45

10.3969/j.issn.1671-7767.2016.06.009

国家自然科学基金项目“现代木-混凝土组合结构桥梁设计理论及应用基础研究”（51478485）；

本校为第一机构

为计算钉杆弯曲破坏机理下槽口钉类连接件抗剪承载力,提出木-混组合梁槽口钉类连接件抗剪承载力计算方法。参照依据新西兰标准和欧洲规范的槽口螺钉连接件抗剪承载力计算方法——NZS法、修正折减参数η*的EC*法,针对混凝土剪切破坏和钉类弯曲变形造成连接失效的破坏机理,采用销钉连接件抗剪承载力计算式替代2种方法中螺钉抗拔承载力,得到考虑钉杆弯曲破坏的NZS法、EC*法,用以计算槽口钉类连接件抗剪承载力。以9组木-混组合梁推出试件为例,采用这2种方法计算试件的槽口栓钉连接件抗剪承载力,并与试验值对比。结果表明,2种方法均未考虑槽口深度对木-混组合梁槽口钉类连接件抗剪承载力的影响;相较于...

To calculate the shear bearing capacity of notched connectors in the context that thebars of the connectors have suffered bending dam age,the m ethod to calculate the shear bearing capacityof notched connectors in tim ber-concrete com posite girder was proposed.T he m ethod wasfigured out in accordance w ith the calculation m ethods for the shear bearing capacity of notchedconnectors prescribed in the N ew Zealand Standards and the E urocodes,nam ely the NZS m ethodand the EC*m ethod used to m odify the reduction factor rj*.In light of the dam age m echanism ofconnection failure caused by conc...