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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.23 No.2
- 발행연도
- 2017.1
- 수록면
- 143 - 152 (10page)
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This paper focuses on the seismic performance of pallet-type steel storage rack structures in their down aisle direction. As evidenced by experimental research, the seismic response of storage racks in the down-aisle direction is strongly affected by the nonlinear moment-rotation response of the beam-to-column connections. In their down-aisle direction, rack structures are designed to resist lateral seismic loads with typical moment frames utilizing proprietary beam-to-column moment- resisting connections. These connections are mostly boltless hooked type connections and they exhibit significantly large rotations resulting in large lateral frame displacements when subjected to strong ground motions. In this paper, typical hooked boltless beam-to-column connections are studied experimentally to obtain their non-linear reversed cyclic moment-rotation response. Additionally, a compound type connection involving the standard hooks and additional bolts were also tested under similar conditions. The simple introduction of the additional bolts within the hooked connection is considered to be a practical way of structural upgrade in the connection. The experimentally evaluated characteristics of the connections are compared in terms of some important performance indicators such as maximum moment and rotation capacity, change in stiffness and accumulated energy levels within the cyclic loading protocol. Finally, the obtained characteristics were used to carry out seismic performance assessment of rack frames incorporating the tested beam-to-column connections. The assessment involves a displacement based approach that utilizes a simple analytical model that captures the seismic behavior of racks in their down-aisle direction. The results of the study indicate that the proposed method of upgrading appears to be a very practical and effective way of increasing the seismic performance of hooked connections and hence the rack frames in their down-aisle direction.
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참고문헌 (16)
참고문헌 신청
2012 / ANSI MH16.1, Specification for the Design, Testing and Utilization of Industrial Steel Storage Racks / Rack Manufacturers Institute
Bajoria, M. K. / 2010 / Modal analysis of cold-formed pallet rack structures with semi-rigid connections / J. Construct. Steel Res 66(3):428~441
Bernuzzi, C. / 2001 / Experimental analysis on the cyclic behaviour of beam-to-column joints in steel storage pallet racks / Thin-Wall. Struct 39(10):841~859
Castiglioni, C. A. / 2003 / Shaking table tests on steel pallet racks / Proceedings of the Conference on Behaviour of Steel Structures in Seismic Areas-Stessa :775~781
Chen, C. K. / 1980 / Report prepared for the National Science Foundation and for the Rack Manufacturers Institute and Automated Storage and Retrieval Systems (sections of the Material Handling Institute) / John A. Blume & Associates
Bajoria, M. K. / 2010 / Modal analysis of cold-formed pallet rack structures with semi-rigid connections / J. Construct. Steel Res 66(3):428~441
Bernuzzi, C. / 2001 / Experimental analysis on the cyclic behaviour of beam-to-column joints in steel storage pallet racks / Thin-Wall. Struct 39(10):841~859
Castiglioni, C. A. / 2003 / Shaking table tests on steel pallet racks / Proceedings of the Conference on Behaviour of Steel Structures in Seismic Areas-Stessa :775~781
Chen, C. K. / 1980 / Report prepared for the National Science Foundation and for the Rack Manufacturers Institute and Automated Storage and Retrieval Systems (sections of the Material Handling Institute) / John A. Blume & Associates
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