Hyatt Regency Hotel Walkway Collapse Engineering Failure凯悦摄政酒店人行道坍塌的工程失败.ppt

By: Julee Christianson, Mike Cruz, and Katie Nolan HYATT REGENCY HOTEL WALKWAYS COLLAPSE  ENGINEERING FAILURE WHERE: KANSAS CITY, MISSOURIDATE: JULY 17, 1981 3rd Floor Walkway Still Intact Outline The Hotel and the Incident The Causes and the Problems Controversy and Conclusion References PEOPLE INVOLVED The owner - Crown Center Redevelopment Corporation The fabricator - Havens Steel Company The engineering design team - G.C.E. International, Inc. -Professional Consulting Firm of Structural Engineers -Previously known as Jack D. Gillum Associates, Ltd. Main People involved in the Design – The Principals Jack D. Gillum, P.E. - structural engineering state licensed since February 26, 1968Daniel M. Duncan, P.E. - structural engineering state licensed since February 27, 1979 WHO AGREED TO WHAT? Crown entered into a standard contract with G.C.E. International, Inc. on April 4, 1978 G.C.E. agreed to provide, all structural engineering services for a 750-room hotel projected located at 2345 McGee Street, Kansas City, Missouri.” In December 1978, Eldridge Construction Company, the general contractor on the Hyatt project, entered into a subcontract with Havens Steel Company Professional Fabricator, who agreed to fabricate and erect the atrium steel for the Hyatt project. Hotel Features The hotel had a grand lobby which featured a multistory atrium crossed by three concrete walkways on the second, third and fourth floors The hotel advertised to have many parties and events Tea-Dance Party Leads to Disaster A party was held in the lobby Over 2,000 people were in attendance People crowded the walkways and the lobby below to watch the dance competition The excess weight caused the fourth floor walkway to fall onto the second floor walkway and both walkways collapsed onto the crowded first floor The collapse left 114 dead and more than 200 injured This was the United States’ most devastating structural failure of the time THE CAUS