Earticle

초록

영어

This study is a basic study on the fixing device(Fastener) of the steel structure joint.Four types of T.S. Nut specimens were manufactured and tested. A total of 20 specimens were produced, 5 each. When manufacturing T.S. Nut, the existing long nut was used, and it was manufactured by precision machining so that the T.S. Nut head shear cross section could be cut. In order to reduce material deterioration due to heat that may occur during rotary cutting, cutting oil is used and low-speed machining is applied. The thickness parameter ranged from 0.5mm to 1.25mm. The clamping force(N) and the torque value(T) of the hexagonal high-strength bolt changes according to the shear sectional thickness(a) of the T.S Nut head. Clamping force(N), torque values(T) and torque coefficient(k) were analyzed to examine whether thickness variables affect the required tensile strength. As a result of the analysis, the clamping force(N) and the torque value(T) increased as a whole according to the shear sectional thickness(a) of the T.S. Nut head. In addition, in the case of T.S. Nut head shear thickness(a) 0.5mm to 1.0mm, the difference in torque coefficient(k) was similarly 103% to 105%, so it was found to be sufficiently stable.

목차

Abstract
1. 서론
1.1 연구배경 및 목적
1.2 연구범위 및 방법
2. 고력볼트 조임공법
2.1 토크관리법
2.2 너트회전법
2.3 직접인장측정법
2.4 토크쉬어볼트(T.S. 볼트) 접합
3. 실험
3.1 실험계획 및 방법
3.2 T.S. 너트 Design
4. 실험 결과 및 분석
4.1 파괴모드
4.2 실험결과 및 분석
5. 결론
REFERENCES

저자

• 이택운 [ Lee, Taick-Oun | 영남이공대학교, 건축과 교수, 공학박사 ]
• 변상민 [ Byeon, Sang-Min | (주)명성구조기술사사무소 대표이사, 건축구조기술사 ]

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