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Materials 2016, 9(8), 698; doi:10.3390/ma9080698

Fatigue Property of Open-Hole Steel Plates Influenced by Bolted Clamp-up and Hole Fabrication Methods

1
Department of Civil Engineering & Mechanics, Sichuan University, Chengdu 610065, China
2
Sichuan Provincial Key Laboratory of Failure Mechanics and Engineering Disaster Prevention & Mitigation, Sichuan University, Chengdu 610065, China
3
School of Architecture and Civil Engineering, Chengdu University, Chengdu 610106, China
*
Author to whom correspondence should be addressed.
Academic Editor: Yoshiharu Mutoh
Received: 1 July 2016 / Revised: 8 August 2016 / Accepted: 8 August 2016 / Published: 16 August 2016
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Abstract

Steel plates with open holes are commonly used in structural assemblies. The fatigue properties of such details are influenced by bolted clamp-up and hole fabrication methods. The fracture surface, stiffness degradation and fatigue life of test specimens are investigated in detail and compared with the contemporary test data. The analysis results show that the presence of draglines greatly influences the fatigue crack initiation at the open-hole cut by laser. The bolted clamp-up condition greatly enhances the stiffness and the fatigue life of the open-hole details. A discussion is also made from a comparison with the referred fatigue life of hole fabrication details, such as the influence of plate thickness and plasma cutting, drilling and oxy-fuel gas cutting, with the details studied herein. This work could enhance the understanding of the fatigue property and design of such details. View Full-Text
Keywords: open-hole; bolted clamp-up; fatigue property; life assessment open-hole; bolted clamp-up; fatigue property; life assessment
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Wang, Z.-Y.; Li, L.; Liu, Y.-J.; Wang, Q.-Y. Fatigue Property of Open-Hole Steel Plates Influenced by Bolted Clamp-up and Hole Fabrication Methods. Materials 2016, 9, 698.

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