EXPERIMENTAL STUDY ON STATIC BEHAVIOR OF OVERLAPPED CHS KT-JOINTS

Zhao Xianzhong; Chen Yu; Chen Yiyi; Xu Xiangbin; Xu Lixin

doi:10.13204/j.gyjz201004023

Volume 40 Issue 4

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(4): 107-111,99

Liu Yun, Wang Yan, Song Yongjie, Mao Chengchao. EFFECT OF WELD BETWEEN SIDE-PLATE AND BEAM FLANGE ON THE BRITTLE FRACTURE OF SIDE-PLATE REINFORCED JOINT[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 120-124,97. doi: 10.13204/j.gyjz201308026

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Zhao Xianzhong, Chen Yu, Chen Yiyi, Xu Xiangbin, Xu Lixin. EXPERIMENTAL STUDY ON STATIC BEHAVIOR OF OVERLAPPED CHS KT-JOINTS[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(4): 107-111,99. doi: 10.13204/j.gyjz201004023

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EXPERIMENTAL STUDY ON STATIC BEHAVIOR OF OVERLAPPED CHS KT-JOINTS

doi: 10.13204/j.gyjz201004023

1.
1. College of Civil Engineering,Tongji University,Shanghai 200092,China;
2.
2. College of Civil Engineering,Huaqiao University,Quanzhou 362021,China;
3.
3. Shanghai Baoye Construction Co.Ltd,Shanghai 200941,China

Received Date: 2009-08-22
Publish Date: 2010-04-20

Abstract

Abstract

To investigate how the welding situations of hidden seam and the loading hierarchy reversal of braces affect the structural performance of unstiffened overlapped circular hollow steel (CHS) KT-joints,three specimens were tested under monotonic loading. The test results show that: the mechanical behavior and failure mechanism of the overlapped KT-joints are different from that of simple gap KT-joints; the unwelded situation of hidden seam will decrease the ultimate capacity of KT-joints; the overlapped KT-joint with inclined compressive brace as through web member has lower load-carrying capacity compared with joint using vertical brace as through web member.
- overlapped CHS KT-joints,
- hidden welded seam,
- failure mode,
- ultimate bearing capacity

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References(7)

References

[2] Milani N K,Grundy P. Incremental Collapse of KT-Joints Under Variable Repeated Loading [C]/ /Proceedings of the 7th International Symposium on Tubular Structure. Miskolc: 1996.

Wardenier J,De Koning C H M. Investigation into the Static Strength of Welded Joints with Three Bracings Made of RHS or CHS[R]. Stevin Roport No. 6-77-6,TNO-IBBC Report No.B1-66-37 /35. 3. 51210. 1977.

[3] Wilmshurst S R,Morita M,Makino Y,et al. Static Strength Tests of CHS KT-Joints Under Axial Loading[C]/ /Proceeding of the 8th International Symposium on Tubular Structures. Singapore: 1998.

[4] 舒兴平,郑伯兴. KT 型相贯节点极限承载力非线性有限元分析[J]. 湖南大学学报,2006,33(6) :1-5.

[5] 赵宪忠,陈誉,陈以一,等. 平面K 型圆钢管搭接节点静力性能的试验研究[J]. 建筑结构学报,2006,27(4) :23-36.

[6] British Standard. Eurocode 3: Design of Steel Structures[S]. part 1-8: Design of Joints,BS EN1993-1-8:2005.

[7] Wardenier J. 钢管截面的结构应用[M]. 张其林,刘大康,译.上海:同济大学出版社,2004.

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