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Publication Citation: Modification of Existing Welded Steel Moment Frame Connections for Seismic Resistance

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Author(s): John L. Gross; M D. Engelhardt; Chia-Ming Uang; K Kasai; N Iwankiw;
Title: Modification of Existing Welded Steel Moment Frame Connections for Seismic Resistance
Published: May 01, 2001
Abstract: The Congressional emergency appropriation resulting from the January 17, 1994, Northridge earthquake provided the Building and Fire Research Laboratory (BFRL) at the National Institute of Standards and Technology (NIST) an opportunity to expand its activities in earthauake engineering under the National Earthquake Hazard Reduction Program (NEHRP). In addition to the post-earthquake reconnaissance, BFRL focused its efforts primarily on post-earthquake fire and lifelines and on moment-resisting steel frames. In the area of moment-resisting steel frames damaged in the Northridge earthquake, BFRL, working with practicing engineers, conducted a survey and assessment of damaged steel buildings and jointly funded the SAC (Structural Engineers Association of California, Applied Technology Council, and California Universities for Research in Earthquake Engineering) Invitational Workshop on Steel Seismic Issues in September 1994. Forming a joint university, industry, and government partnership, BFRL initiated an effort to address the problem of the rehabilitation of existing buildings to improve their seismic resistance in future earthquakes. This design guideline is a result of that joint effort. BFRL is the national laboratory dedicated to enhancing the competitiveness of U.S. industry and public safety by developing performance prediction methods, measurement technologies, and technical advances needed to assure the life cycle quality and economy of constructed facilities. The research conducted as part of this industry, university, and government partnership and the resulting recommendations provided hereing are intended to fulfill in part, this mission. This design guide has undergone extensive review by the AISC committee on Manuals and Textbooks; the AISC Committee on Specifications, TC 9 - Seismic Design; the AISC Committee on rEsearch; the SAC Project Oversight Committee; and the SAC Project Management Committee. The input and suggestions from all those who contributed are greatly appreciated.
Conference: American Institute of Steel Construction
Proceedings: North American Steel Construction Conference | 12th | 2001 North American Steel Construction Conference Proceedings : AISC Steel Design Guide Series, Guide No. 12
Volume: 19.1-19.14
Dates: May 12-13, 1999
Keywords: building technology,connections,design,earthquake engineering,frames,rehabilitation,steel
Research Areas: Building and Fire Research