Technical Background
  • Development of Steel Construction. These pages provide a brief history of the evolution of the use of steel as a material for buildings in seismic regions. (Currently being written). 
  • Steel Buildings in Past Earthquakes.The 1994 Northridge and 1995 Kobe Earthquakes provide the most recent information, but numerous steel structures have been subjected to past earthquakes. 
  • Factors Influencing the Behavior of Steel Structures
  • SAC Phase 1 Studies 
  • Reference Library 

SAC Phase 1 Studies - The Phase I Studies were combined into volumes and published as Technical Reports, which are now available from ATC by referencing the report numbers.  Below are the Technical Reports with the included Phase I Studies.  The summaries for each Study are available by following the links.

Technical Reports:  Analytical and Field Investigations of Buildings Affected by the Northridge Earthquake of January 17, 1994  (SAC 95-04)

Technical Reports:  Parametric Analytical Investigations of Ground Motion and Structural Response, Northridge Earthquake of January 17, 1994  (SAC 95-05)

Technical Reports:  Surveys and Assessment of Damage to Buildings Affected by the Northridge Earthquake of January 17, 1994  (SAC 95-06)

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