Slip coefficient of bolted slip-critical connections

Cheng-Chih Chen, Tsung Cheng Hsieh

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The design philosophy of slip-critical connections is to utilize the friction force developed through the clamping force exerted by the pretension of the high-strength bolt. Therefore, the slip-critical connections can have resistance in the direction of the bolt shear. This resistance is affected by the bolt clamping force and slip coefficient on the faying surfaces. This research aims to increase the resistance of the slip-critical connections. Increasing the resistance of the slip-critical connections can be achieved by increasing either the clamping force or the slip coefficient. Thermal spray coating technology was used to increase the slip coefficient. Tests were conducted to investigate the effects of coated material (aluminum or aluminum-magnesium) and coating thickness. Compared to the blast-cleaned faying surface, thermal sprayed coating faying surface results in a greater slip coefficient.

Original languageEnglish
Title of host publicationISEC 2017 - 9th International Structural Engineering and Construction Conference
Subtitle of host publicationResilient Structures and Sustainable Construction
EditorsJose M. Adam, Eugenio Pellicer, Siamak Yazdani, Amarjit Singh, Victor Yepes
PublisherISEC Press
ISBN (Electronic)9780996043748
StatePublished - 1 Jan 2017
Event9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction, ISEC 2017 - Valencia, Spain
Duration: 24 Jul 201729 Jul 2017

Publication series

NameISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction

Conference

Conference9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction, ISEC 2017
CountrySpain
CityValencia
Period24/07/1729/07/17

Keywords

  • Coating
  • Faying surface
  • Slip resistance
  • Thermal spray

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