The preload loss of high-strength bolts in friction connections was investigated considering the corrosion damage and fatigue loading. Double lap connections were assembled and the ultrasonic measurement method was employed to obtain the real-time preload of the bolts. Accelerated corrosion tests of specimens were used to achieve four corrosion levels and the and the corresponding weight loss ratio of the specimens varied from 0 to 10.1%. Fatigue test was then performed on eight corroded connections. The preload change of bolts after installation, corrosion tests, and certain number of load cycles was measured. It is found that the corrosion effects on the bolt preload loss was significant, and an average value of 41.2% preload loss was observed for specimens of 10% weight loss. The influence of fatigue load on the preload loss after unloading could be ignored, but the combination of tensile loading, fatigue loading, and corrosion damage could lead to an up to 11% preload loss.
机构:
Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Peoples R China
Southwest Jiaotong Univ, Sch Mat Sci & Engn, Chengdu 610031, Peoples R ChinaSouthwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Peoples R China
Zhao, Xu
Zhang, Weihua
论文数: 0引用数: 0
h-index: 0
机构:
Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Peoples R ChinaSouthwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Peoples R China
Zhang, Weihua
Chen, Hui
论文数: 0引用数: 0
h-index: 0
机构:
Southwest Jiaotong Univ, Sch Mat Sci & Engn, Chengdu 610031, Peoples R ChinaSouthwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Peoples R China
机构:
Shanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Shanghai Engn Res Ctr Offshore Wind Energy Dev & U, Shanghai 200335, Peoples R ChinaShanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Lin, Lin
Zhao, Shilun
论文数: 0引用数: 0
h-index: 0
机构:
Shanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Shanghai Engn Res Ctr Offshore Wind Energy Dev & U, Shanghai 200335, Peoples R ChinaShanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Zhao, Shilun
Zheng, Tingsen
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Civil Engn, Tianjin 300350, Peoples R ChinaShanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Zheng, Tingsen
Lin, Yifeng
论文数: 0引用数: 0
h-index: 0
机构:
Shanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Shanghai Engn Res Ctr Offshore Wind Energy Dev & U, Shanghai 200335, Peoples R ChinaShanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Lin, Yifeng
Chen, Nian-Zhong
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Civil Engn, Tianjin 300350, Peoples R China
Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300350, Peoples R ChinaShanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Chen, Nian-Zhong
Zhang, Jie
论文数: 0引用数: 0
h-index: 0
机构:
Shanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
Shanghai Engn Res Ctr Offshore Wind Energy Dev & U, Shanghai 200335, Peoples R ChinaShanghai Invest Design & Res Inst Co Ltd, Shanghai 200335, Peoples R China
机构:
Nanjing Tech Univ, Coll Civil Engn, Nanjing 211616, Peoples R ChinaNanjing Tech Univ, Coll Civil Engn, Nanjing 211616, Peoples R China
Li, Hang
Liu, Duo
论文数: 0引用数: 0
h-index: 0
机构:
Jiangsu Transportat Inst Grp Co Ltd, Nanjing 210019, Peoples R China
State Key Lab Safety Durabil & Hlth Operat Long Sp, Nanjing 211112, Peoples R ChinaNanjing Tech Univ, Coll Civil Engn, Nanjing 211616, Peoples R China
Liu, Duo
Guo, Guoqiang
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Tech Univ, Coll Civil Engn, Nanjing 211616, Peoples R ChinaNanjing Tech Univ, Coll Civil Engn, Nanjing 211616, Peoples R China
Guo, Guoqiang
Zhang, Jiandong
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Tech Univ, Coll Civil Engn, Nanjing 211616, Peoples R China
State Key Lab Safety Durabil & Hlth Operat Long Sp, Nanjing 211112, Peoples R ChinaNanjing Tech Univ, Coll Civil Engn, Nanjing 211616, Peoples R China
Zhang, Jiandong
Ge, Hanbin
论文数: 0引用数: 0
h-index: 0
机构:
Meijo Univ, Dept Civil Engn, Nagoya 4688502, JapanNanjing Tech Univ, Coll Civil Engn, Nanjing 211616, Peoples R China
机构:
Taiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R ChinaTaiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R China
Guo, Qi
Ma, Hui
论文数: 0引用数: 0
h-index: 0
机构:
Taiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R ChinaTaiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R China
Ma, Hui
Lu, Yan
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Civil Engn, Tianjin 300350, Peoples R ChinaTaiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R China
Lu, Yan
Wang, Shijie
论文数: 0引用数: 0
h-index: 0
机构:
Taiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R ChinaTaiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R China
Wang, Shijie
Chen, Qingwei
论文数: 0引用数: 0
h-index: 0
机构:
Shandong Elect Power Co, Econ & Technol Res Inst State Grid, Jinan 250021, Peoples R ChinaTaiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R China