Chinese Journal of Ship Research, Volume. 20, Issue 4, 164(2025)
Failure behavior analysis of high stiffener web height I-girders of cruise ships considering initial welding defects
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Table 1. Table of welding parameters
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序号 电流/A 电压/V 送丝速度/（mm·s−1） 1 212～225 27～33 6.3 2 205～226 26～33 6.1 3 210～220 26～35 6.1 4 220～229 28～33 6.1
Table 2. Deformation comparison results of monitoring line 1
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距离（从左至右）/mm 0 20 40 60 80 变形 实测/mm 0 −0.51 −1.57 −2.00 −2.40 仿真/mm 0 −0.41 −0.87 −1.26 −1.16 误差/mm 0 0.10 0.70 0.74 1.24 距离（从左至右）/mm 100 120 140 160 180 变形 实测/mm −3.22 −3.91 −3.84 −3.75 −3.67 仿真/mm −1.45 −2.15 −2.29 −3.99 −5.20 误差/mm 1.77 1.76 1.55 0.24 1.53
Table 3. Deformation comparison results of monitoring line 2
View tableView in ArticleTable 3. Deformation comparison results of monitoring line 2
距离（从左至右）/mm 0 20 40 60 80 100 120 变形 实测/mm 0 −0.52 −0.75 −0.82 −0.76 −0.51 0 仿真/mm 0 −0.57 −0.91 −1.07 −1.14 −0.56 0 误差/mm 0 −0.05 −0.16 −0.25 −0.38 −0.05 0
Table 4. Deformation comparison results of monitoring line 3
View tableView in ArticleTable 4. Deformation comparison results of monitoring line 3
距离（从下至上）/mm 0 20 40 60 80 100 120 140 变形 实测 0 0.21 0.45 0.73 1.05 1.25 1.55 1.74 仿真 0 0.20 0.42 0.67 1.01 1.26 1.56 1.86 误差 0 −0.01 −0.03 −0.06 −0.04 0.01 0.01 0.12 距离（从下至上）/mm 160 180 200 220 240 260 280 300 变形 实测 2.11 2.33 2.61 2.95 3.27 3.57 3.54 3.75 仿真 2.20 2.55 2.90 3.24 3.55 3.88 3.97 4.19 误差 0.09 0.22 0.29 0.29 0.28 0.31 0.43 0.44 距离（从下至上）/mm 320 340 360 380 400 420 440 460 变形 实测 3.69 3.52 3.42 3.26 2.96 2.76 2.51 2.28 仿真 4.15 4.23 4.15 3.91 3.69 3.43 3.06 2.35 误差 0.46 0.71 0.73 0.65 0.75 0.67 0.55 0.07
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Chen CHEN, Hong ZHOU, Ziqiu LI, Zhengda LÜ, Siyu PAN. Failure behavior analysis of high stiffener web height I-girders of cruise ships considering initial welding defects[J]. Chinese Journal of Ship Research, 2025, 20(4): 164
Paper Information
Category: Ship Structure and Fittings
Received: Dec. 22, 2023
Accepted: --
Published Online: Sep. 11, 2025
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