Title: Test and simulation of connection and failure performance of high-strength bolts in steel structure
Authors: Chenzhen Ye; Rongyue Zheng; Jue Zhu
Addresses: School of Civil and Environmental Engineering, Ningbo University, Ningbo 315211, Zhejiang, China ' School of Civil and Environmental Engineering, Ningbo University, Ningbo 315211, Zhejiang, China ' Key Laboratory of Impact and Safety Engineering, Ministry of Education, Ningbo University, Ningbo 315211, Zhejiang, China
Abstract: To study the joint performance and failure characteristics of pretension high-strength bolts of fabricated steel structures, the resistance strain gauge method was used instead of the traditional torque method to analyse the loading failure of slip specimens. The refined finite element model and the extended finite element model based on linear elastic fracture mechanics were established and their results are compared with the experiments. The results showed that the anti-slip coefficient of the untreated clean rolled Q235 steel conforms to the given value of the code. The finite element simulation results were in good agreement with the test results, and the different failure modes on cover plates or core plate respectively occur in the specimens with different thicknesses of core plates.
Keywords: high-strength bolt; steel structure; anti-slip coefficient; resistance strain gauge method; failure mode.
International Journal of Computer Applications in Technology, 2021 Vol.65 No.3, pp.282 - 289
Received: 06 Jan 2021
Accepted: 10 Mar 2021
Published online: 06 Jul 2021 *