抗震规范补遗(英文.pdf

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Seismic Provisions for Structural Steel Buildings (1997) Supplement No. 2 November 10, 2000 Supersedes Supplement No. 1 to the AISC Seismic Provisions for Structural Steel Buildings, dated February 15, 1999 Prepared by the American Institute of Steel Construction, Inc. under the direction of the AISC Committee on Specifications and approved by the AISC Board of Directors AMERICAN INSTITUTE OF STEEL CONSTRUCTION, INC. One East Wacker Drive, Suite 3100, Chicago, Illinois 60601-2001 2 AISC Seismic Provisions (1997) Supplement No. 2 (11/00) Seismic Provisions for Structural Steel Buildings (1997) Supplement No. 2 November 10, 2000 1. Part I, Glossary Delete the definition of Inelastic Rotation of Beam-to-Column Connection. Add the following definitions: “Interstory Drift Angle. Interstory displacement divided by story height, radians. Zipper Column. A vertical (or nearly vertical) strut connecting the brace-to-beam intersection of an inverted-V-braced frame at one level to the brace-to-beam intersection at another level. See Figure C-13.4 (b).” Change definition of Reduced Beam Section as follows: “A ductile reduction in cross-section . . . remainder unchanged” 2. Part I, Section 2 Change this section as follows: . . . American Society of Civil Engineers ASCE 7-9598 American Society for Testing and Materials ASTM A6-96b98 ASTM A500-9399 ASTM A673-95 ASTM A36-9697a

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