环槽铆钉群铆效应及铆后预紧力松弛试验研究

刘震北,王海磊,董伟东,李亮,王琨,刘永健,刘紫豪

Experimental study on group riveting effect and post-rivet preload relaxation of ring groove rivet

Zhenbei LIU,Hailei WANG,Weidong DONG,Liang LI,Kun WANG,Yongjian LIU,Zihao LIU

表 3 施铆顺序对测试区域CA预紧力影响（铆接顺序Ⅰ）

Tab.3 Effect of riveting sequence on CA preload in test area (Riveting sequence Ⅰ)

铆钉编号 P0/ kN P1/ kN ΔP1/ kN rs/% 铆钉编号 P0/ kN P1/ kN ΔP1/ kN rs/% FA1 332.7 324.6 8.1 2.44 FA65 349.1 339.3 9.8 2.81 FA2 342.8 334.1 8.6 2.52 FA69 339.2 331.7 7.5 2.20 FA3 336.1 330.6 5.4 1.61 FA73 337.4 331.2 6.2 1.83 FA4 340.9 335.8 5.1 1.51 FA77 344.3 335.5 8.9 2.58 FA5 339.1 329.8 9.3 2.75 FA81 338.2 327.1 11.1 3.27 FA9 328.7 320.1 8.6 2.62 FA85 342.7 334.9 7.8 2.27 FA13 338.7 329.0 9.7 2.87 FA89 345.3 336.7 8.6 2.48 FA17 333.2 323.4 9.9 2.96 FA93 339.4 330.5 8.9 2.63 FA21 340.9 327.2 13.6 4.00 FA97 336.0 332.1 4.0 1.18 FA25 339.3 329.4 9.9 2.92 FA101 338.4 329.4 9.0 2.65 FA29 336.1 324.1 12.0 3.58 FA105 346.5 329.7 16.8 4.85 FA33 335.4 322.7 12.7 3.79 FA109 346.5 333.8 12.7 3.66 FA37 335.4 328.2 7.2 2.15 FA113 336.8 328.4 8.5 2.51 FA41 339.0 330.7 8.4 2.46 FA117 343.3 335.9 7.4 2.15 FA45 335.4 325.4 10.0 2.98 FA121 335.2 327.9 7.3 2.19 FA49 337.4 329.9 7.4 2.21 FA125 329.7 324.7 4.9 1.50 FA53 338.9 332.0 6.9 2.03 平均值 339.2 330.3 8.9 2.62 FA57 339.0 328.1 10.9 3.22 标准差 5.14 5.02 — — FA61 354.2 345.6 8.5 2.41 变异系数 0.015 0.015 — —