Chinese Journal of Ship Research, Volume. 16, Issue 6, 166(2021)
Prediction and reduction of out-of-plane welding distortion of typical block in fabrication of semi-submersible lifting and disassembly platform
Figures & Tables(22)
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Table 1. Typical fillet welding joints of B514 section
View tableView in ArticleTable 1. Typical fillet welding joints of B514 section
接头编号 腹板 底板 坡口形式 焊接工艺 规范编号 厚度/mm 材料 厚度/mm 材料 T1 15 AH36 10 AH36 V WPS1 T2 15 AH36 15 AH36 V T3 15 AH36 20 AH36 V T4 10 AH36 10 AH36 V T5 20 AH36 15 AH36 K WPS2 T6 25 AH36 10 AH36 K T7 15 EQ51 15 EQ51 V WPS3 T8 15 EQ51 20 EQ51 V T9 15 EQ51 30 EQ51 V T10 20 EQ51 20 EQ51 K WPS4 T11 20 EQ51 30 EQ51 K
Table 2. Typical butt welding joints of B514 section
View tableView in ArticleTable 2. Typical butt welding joints of B514 section
接头编号 左 右 坡口形式 焊接工艺 规范编号 厚度/mm 材料 厚度/mm 材料 B1 10 AH36 10 AH36 I型 WPS5 B2 15 AH36 15 AH36 I型 WPS6 B3 15 AH36 25 AH36 I型 B4 20 AH36 20 AH36 I型 B5 15 AH36 15 EQ51 I型 WPS7 B6 20 AH36 20 EQ51 I型 B7 20 AH36 30 EQ51 I型 B8 15 EQ51 15 EQ51 I型 WPS8 B9 15 EQ51 20 EQ51 I型 B10 20 EQ51 30 EQ51 I型
Table 3. Welding condition of typical fillet welding with FCAW
View tableView in ArticleTable 3. Welding condition of typical fillet welding with FCAW
焊接工艺 规范编号 电流/A 电压/V 速度 /(cm·min−1) 最大热输入量 /(kJ·mm−1) WPS1 171~220 22.9~28.2 15.4~33.5 1.94 WPS2 171~220 22.9~26.4 9.5~29 1.59 WPS3 165~220 23.5~27.5 8.0~13.0 2.87 WPS4 128~165 22.6~26.2 5.8~12.5 2.85
Table 4. Welding condition of butt welding joints of I-type groove with SAW
View tableView in ArticleTable 4. Welding condition of butt welding joints of I-type groove with SAW
焊接工艺 规范编号 电流/A 电压/V 速度 /(mm·min−1) 最大热输入量 /(kJ·mm−1) WPS5 460~580 28~34 470~630 1.82 WPS6 540~682 29.4~35.5 390~526 3.37 WPS7 540~735 31.5~37.5 465~690 2.34 WPS8 540~710 30~36 425~630 2.45
Table 5. Empirical formula between welding inherent deformation and heat input
View tableView in ArticleTable 5. Empirical formula between welding inherent deformation and heat input
变量 对接接头 角接接头 纵向收缩力 −4.74×1010+9.87×107× 焊接热输入 4.47×1011+7.34×106× 焊接热输入 横向收缩×板厚 6.97−1.09×10−4× 焊接热输入 翼板：−1.18+3.54×10−4× 焊接热输入 腹板：−22.15+4.92×10−3× 焊接热输入 横向弯曲×板厚3 −122.91+3.22×10−2× 焊接热输入 翼板：−109.03+2.16×10−2× 焊接热输入 腹板：151.77+7.77×10−3× 焊接热输入
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Jiangchao WANG, Hong ZHANG, Runchou YANG, Jiancheng LIU, Hong ZHOU. Prediction and reduction of out-of-plane welding distortion of typical block in fabrication of semi-submersible lifting and disassembly platform[J]. Chinese Journal of Ship Research, 2021, 16(6): 166
Paper Information
Category: Ship Structure and Fittings
Received: Jul. 23, 2020
Accepted: --
Published Online: Mar. 28, 2025
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