kemper arena collapse

The city plans to leave the rubble intact until the consultants it hires can sift through it. The innovative design earned the architect an Honor Award from the American Institute of Architects (AIA), and the AIA held its 1979 annual convention in Kansas City. This morning, the arena's cool white exterior was largely intact, but the interior was a mass of rubble, with the bright Missouri sun shining through a hole almost 200 feet square onto the twisted remains of a scoreboard, ceiling trusses and bright yellow insulation panels. “It could have been an uplift caused by wind that started the roof fluttering up and down and led to a collapse, or it could have been simply a case of weight cans ing a cave‐in,” Mr. Jahn said. Once one hanger failed, the roof had no redundancy. To preserve these articles as they originally appeared, The Times does not alter, edit or update them. The pressure wave from the falling roof segment blew out some of the arena walls (Levy and Salvadori, 1992, pp.

KANSAS CITY, Mo., Tune 5 —The roof of Kemper Arena,, the award‐winning building selected by the Republican Party for its 1976 national convention, collapsed last night in heavy rain and high winds. 40 Years ago, the collapse of one of Kansas City’s most iconic buildings shocked the architecture world. Kemper Arena Collapse (1979) This collapse occurred on June 4, at 6:45 p.m. One arena employee present heard strange noises, followed by explosive bangs.

Post College in Brookville, L.I., early in 1978.

Helmut Jahn, the partner of C.F.

The A.I.A. The roof was designed to release rainwater gradually through intentionally undersized drains, each servicing individual tributary areas. Murphy Associates is considered one of the nation's leading designers of convention facilities and is to serve as consultant to I.M.
Pei & Partners on the design of the New York Convention Center. A portion of the roof approximately 60 by 65 m (200 by 215 ft) collapsed into the arena. The structure of Kemper Arena is more conventional than that of the Hartford Civic Center, which was designed by the Vincent Kling Partnership of Philadelphia. The Kemper Arena collapse is discussed by Levy and Salvadori (1992, pp. See the article in its original context from. Building Envelope (Roof, Cladding, Decks, etc.

Paul Goldberger; Special to The New York Times. At 6:45 pm a storm was dumping 108 mm (4 in) of rain per hour, along with wind gusting to 112 kph (70 mph).

The Kemper Arenas large flat roof, 97 by 108 m (324 by 360 ft.) was suspended on hangers from 3 large space frame cantilever trusses. Three exterior space frames supported the roof: three acres of concrete and steel weighing over 1,500 tons. The methods of such investigations are much like those used to determine the cause of an airplane accident: the investigators must examine every piece of rubble, searching for twists and signs of strain that could indicate the order in which different pieces fell. He said the design “met all of Kansas City's building code requirements about wind resistance and weight, and was checked out by three independent engineering firms before being constructed.”, “I am convinced that this could not have been caused by anything but an extraordinary circumstance,” he added. The Kemper Arena opened in 1973 as the new home of the Kansas City Kings basketball team. The roof of the Kemper Arena in Kansas City collapsed during a rainstorm because of drainage issues. The roof collapsed Monday night after about 3.5 inches of rain fell in less than an hour. In order to reduce the stormwater runoff into the city storm sewers, the roof was designed to hold water as a temporary reservoir. Overloads at the roof drains were exacerbated by winds that pushed water unevenly and by deflection of the space frame and roof trusses, which caused ponding.

had given Kemper Arena an honor award in 1976, putting the professional group's imprimatur on it as one of the finest buildings in the nation, and yesterday dozens of architects had gone to see the building, a sleek structure of white metal panels with rounded corners. A report prepared by Weidlinger Associates, working on behalf of a subcontractor, found. This case study is discussed in Chapter 4 of the book Beyond Failure: Forensic Case Studies for Civil Engineers, Delatte, Norbert J., ASCE Press.

That hall also was empty. It was necessary to analyze the roof in three dimensions, not just two, to determine the actual flexibility and ponding susceptibility of the roof, One hanger fractured from the combined action of wind and water ponding weight. ). Occasionally the digitization process introduces transcription errors or other problems; we are continuing to work to improve these archived versions. This is a digitized version of an article from The Times’s print archive, before the start of online publication in 1996. The three trusses, each 16.5 m (54 ft) wide, were spaced 30 m (99 ft) apart and were made from pipe sections as large as 1.2 m (4 ft) in diameter (Levy and Salvadori, 1992, pp. Kansas City officials refused today to estimate either the amount of time it would take to repair the arena or the cost of rebuilding it. The collapse was provoked by a storm that occurred during that evening that had 110 km/h (70 mph) winds and heavy rains.

Word of the collapse came to the AIA meetings opening banquet (Wearne 2000, pp. Architects at the convention expressed some concern over the effect the arena's collapse might have on the reputation of their profession. Exponent inspected the debris and zeroed in on steel truss connections in the flat portion of the roof between the famed Space Frames, which had held the roof up. The Hartford building was supported by a “space frame,” or self‐supporting interlocking metal truss system, while Kemper Arena's roof was hung from three massive metal trusses.
Kemper Arena was built in 18 months in 1973–74 on the site of the former Kansas City Stockyards just west of downtown in the West Bottoms to replace the 8,000-seat Municipal Auditorium to play host to the city's professional basketball and hockey teams. Each of the 42 hangers supporting the roof carried 622 kN (140 kips) in tension. Mur phy Associates of Chicago who directed the firm's design of the arena, declined to accept or reject Mr. Hurlbert's theory. Finally, a large area of the roof collapsed onto an unoccupied seating area.

He barely had time to flee. 57 -67). “There is doubt and worry,” said Ehrman B. Mitchell Jr., the president of the American Institute of Architects.

This case study is featured on the History Channel Modern Marvels More Engineering Disasters videotape/DVD. The issues were corrected, and the arena re-opened within a year. The huge trusses, described by Architectural Record magazine in 1976 as giving Kemper an “almost awesome muscularity,” are the building's visual trademark — systems of white piping that rise from the ground on one side of the building, go over the roof like great viaducts, and come down on the other side. Murphy Associates, made dramatic use of exterior supporting structure. Once the water depth exceeded 50 mm (2 in) water could pour out over scuppers.

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