钢桁梁拼接节点中环槽铆钉预紧力试验研究

王琨,刘永健,张太科,崔高炎,郭峰超,刘震北,马文杰

Experimental study on pre-tightening force of ring groove rivets in steel truss beam’s splicing joints

Kun WANG,Yongjian LIU,Taike ZHANG,Gaoyan CUI,Fengchao GUO,Zhenbei LIU,Wenjie MA

表 3 顶板上不同区域的铆钉预紧力变化

Tab.3 Changes in pre-tightening force of rivets in different areas of top plate

测试区域 ΔPmax/kN RP,max/% ΔParea/kN 群铆中心 20.55 5.51 4.00 象限中心 11.64 3.20 2.33 群铆边缘 4.61 1.28 0.46