03-07-2011, 06:27 AM
ANSI/AISC 341-05 Seismic Provisions for Structural Steel Buildings Including Supplement No. 1
Size: 5.12 MB | Format: PDF | Publisher: ANSI/AISC | Year: 2005 | pages: 334
The Seismic Provisions for Structural Steel Buildings, hereinafter referred to as these Provisions, shall govern the design, fabrication and erection of structural steel members and connections in the seismic load resisting systems (SLRS) and splices in columns that are not part of the SLRS, in buildings and other structures, where other structures are defined as those structures designed, fabricated and erected in a manner similar to buildings, with building-like vertical and lateral load-resisting-elements. These Provisions shall apply when the seismic response modification coefficient, R, (as specified in the applicable building code) is taken greater than 3, regardless of the seismic design category. When the seismic response modification coefficient, R, is taken as 3 or less, the structure is not required to satisfy these Provisions, unless specifically required by the applicable building code. These Provisions shall be applied in conjunc tion with the AISC Specification for Structural Steel Buildings, hereinafter referred to as the Specification. Members and connections of the SLRS shall satisfy the requirements of the applicable building code, the Specification, and these Provisions. Wherever these provisions refer to the applicable building code and there is no local building code, the loads, load combinations, system limitations and general design requirements shall be those in SEI/ASCE 7.
User Note: The applicable building code generally restricts buildings designed with an R factor of 3 or less to seismic design categories (SDC) A, B or C; however, some systems such as cantilever columns that have R factors less than 3 are permitted in SDC D and above and these Provisions apply. See the applicable building code for specific system limitations. Part I includes a Glossary that is specifically applicable to this Part, and Appendices P, Q, R, S, T, W and X.
User Note: The applicable building code generally restricts buildings designed with an R factor of 3 or less to seismic design categories (SDC) A, B or C; however, some systems such as cantilever columns that have R factors less than 3 are permitted in SDC D and above and these Provisions apply. See the applicable building code for specific system limitations. Part I includes a Glossary that is specifically applicable to this Part, and Appendices P, Q, R, S, T, W and X.
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