Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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A Experimental Study on Structural Behaviors of Single Shear Bolted Connections with Thin-Walled Aluminum Alloys(6061-T6)

박판 알루미늄 합금(6061-T6) 볼트접합부의 구조적 거동에 관한 실험적 연구

  • 김태수 (한밭대학교 건축공학과)
  • Published : 2013.06.25
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Abstract

The purpose of this experimental study is to investigate the structural behaviors such as fracture mode and ultimate strength of single shear bolted connections with aluminum alloys (6061-T6). Specimens were fabricated with 3mm thick plane plate and two types of bolt arrangements($2{\times}1$, $2{\times}2$). Main variables are end distance parallel to the direction of load and edge distance perpendicular to the direction of load. As a result, the specimens failed by tensile fracture in the net section of plate or block shear fracture. Curling was observed in connections with a relatively long end distance and it caused the strength drop of bolted connections. Moreover, the ultimate strength and failure mechanism of test results were compared with those of current design standards such as AISI, AA and JASA. The curling led to the ultimate strength reduction of bolted connection with aluminum alloys and therefore current design standards tended to overestimate the ultimate strength.

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