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Composite Design Provisions: 2005 AISC Specification for Steel Buildings
Chapter I of the new 2005 AISC Specification contains design provisions for composite columns composed of rolled or built-up structural steel shapes, HSS or pipe and structural concrete acting together as a composite member. It also covers steel beams supporting a reinforced concrete slab where the steel beam and the slab act in a composite manner using shear connectors. Simple and continuous composite beams with shear connectors and concrete encased beams are also included. The new Chapter I includes extensive technical as well as format changes. The major technical changes consist of new design provisions for composite columns in Section I2, which now includes new strength models, provisions for tension and shear design and a liberalization of the slenderness limits for HSS tubes and pipes. Other technical changes include new more rational shear stud strength provisions in Section I3.2d, the use of an ultimate strength model for ASD design of composite beams in Section I3.2 and new material limitations in Section I1.2. New material has been added that covers the ASD provisions for composite columns and beams — something that was not covered at all in previous ASD Specifications. Major format changes include the elimination of the former Section I1, Design Assumptions and Definitions. The contents of that section have been moved to the Glossary, Notation and other sections within the chapter or specification. This section has been replaced by a section entitled General Provisions. Other format changes include the separation of composite column design into distinct provisions for concrete-encased and concrete-filled sections, the incorporation of the former I5 Shear Connectors section into the current Section I3 Flexural Members and elimination in the new commentary of all the historical development notes on composite design provisions as that material is now considered to be widely known.
Composite Design Provisions: 2005 AISC Specification for Steel Buildings
Chapter I of the new 2005 AISC Specification contains design provisions for composite columns composed of rolled or built-up structural steel shapes, HSS or pipe and structural concrete acting together as a composite member. It also covers steel beams supporting a reinforced concrete slab where the steel beam and the slab act in a composite manner using shear connectors. Simple and continuous composite beams with shear connectors and concrete encased beams are also included. The new Chapter I includes extensive technical as well as format changes. The major technical changes consist of new design provisions for composite columns in Section I2, which now includes new strength models, provisions for tension and shear design and a liberalization of the slenderness limits for HSS tubes and pipes. Other technical changes include new more rational shear stud strength provisions in Section I3.2d, the use of an ultimate strength model for ASD design of composite beams in Section I3.2 and new material limitations in Section I1.2. New material has been added that covers the ASD provisions for composite columns and beams — something that was not covered at all in previous ASD Specifications. Major format changes include the elimination of the former Section I1, Design Assumptions and Definitions. The contents of that section have been moved to the Glossary, Notation and other sections within the chapter or specification. This section has been replaced by a section entitled General Provisions. Other format changes include the separation of composite column design into distinct provisions for concrete-encased and concrete-filled sections, the incorporation of the former I5 Shear Connectors section into the current Section I3 Flexural Members and elimination in the new commentary of all the historical development notes on composite design provisions as that material is now considered to be widely known.
Composite Design Provisions: 2005 AISC Specification for Steel Buildings
Griffis, Lawrence G. (author)
Structures Congress 2005 ; 2005 ; New York, New York, United States
Structures Congress 2005 ; 1-4
2005-04-18
Conference paper
Electronic Resource
English
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