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	Hyatt Regency walkway collapse - Wikipedia, the free encyclopedia
		The Hyatt Regency hotel walkway collapse was a major disaster that occurred on July 17, 1981 in Kansas City, Missouri, killing 114 people and injuring more than 200 others.
		The fourth floor walkway could not sustain the weight of the spectators standing on it, and the cables and rods connecting it to the fourth floor buckled, causing it to collapse onto the second floor walkway.
		The two walkways were suspended from a set of steel tie rods, with the second floor walkway hanging directly underneath the fourth floor walkway.
	en.wikipedia.org /wiki/Hyatt_Regency_walkway_collapse (1030 words)

	Winter Moment- Hyatt Collaspse
		These walkways were suspended above the atrium of the Hyatt Regency and connected the tower to the functioning block of the hotel.
		The failure of the walkways in the Hyatt Regency Hotel was undeniably the outcome of a structural failure.
		In the case of the Hyatt Regency Hotel, the structural engineer sent a sketch of the proposed walkway connections to the steel fabricator.
	www.rose-hulman.edu /Class/ce/HTML/publications/momentold/winter96-97/hyatt.html (1386 words)

	Hyatt Regency walkway collapse: Encyclopedia topic (Site not responding. Last check: 2007-11-06)
		The 40-story-tall Hyatt (Hyatt: hyatt is a hotel chain that operates hotels on all six continually inhabited continents...
		The walkways were suspended from a set of tie rod (tie rod: Either of two rods that link the steering gear to the front wheels) s, with the second floor walkway hanging directly underneath the fourth floor walkway.
		When the walkways became heavily loaded, the nuts and washers on the fourth floor walkway pulled through the walkway's support beams and both walkways collapsed.
	www.absoluteastronomy.com /reference/hyatt_regency_walkway_collapse (699 words)

	[No title]
		Hyatt Regency Hotel Walkway Collapse On July 17, 1981, walkways in the Hyatt Regency Hotel in Kansas City, Missouri, collapsed leaving 114 dead and in over 200 injured.
		Some had been standing and dancing on the walkways that were suspended above the lobby floor at the levels of the second, third and fourth floors.
		During January and February, 1979, over a year before the collapse, the design of the walkway hanger rod connections had been changed by the Havens Steel Company which was the fabricator for the connections was working under a subcontract to Eldridge Construction Company, the general contractor on the Hyatt project.
	web.mit.edu /course/2/2.95j/cases/Hyatt-DC-10_Cases (826 words)

	Technical Writing Portfolio Examples
		The failure of the atrium bridge in the Hyatt Regency hotel in Kansas City, Missouri resulted in the deaths of 114 people.
		As is typical in a capitalistic society, the Hyatt enterprise was organized as a hierarchy, in which each level of management takes responsibility for the activities underneath it.
		Thus, considering the complexity of the Hyatt enterprise, it is not surprising that a detail as small as a weakness in the connection change would not be noticed.
	www.geocities.com /mbegel/hyatt.htm (1215 words)

	Reference.com/Encyclopedia/Hyatt Regency walkway collapse
		The Hyatt Regency hotel walkway collapse happened on July 17, 1981 during a tea dance at the Hyatt Regency Hotel in Kansas City, Missouri.
		The 40-story-tall Hyatt Regency hotel was constructed in 1978 and opened in July 1980 after some construction delays.
		The walkways were suspended from a set of tie rods, with the second floor walkway hanging directly underneath the fourth floor walkway.
	www.reference.com /browse/wiki/Hyatt_Regency_walkway_collapse (776 words)

	Engineering Event
		In the collapse that was initiated by this design flaw, the second and fourth floor walkways fell to the atrium first floor with the fourth level walkway coming to rest on top of the second.
		In the event of the Hyatt Regency walkway collapse, it appeared as though Gillum-Colaco International Inc. and Havens Steel Company were focused primarily on simplifying the design in order to catalyze the construction process, rather than on the effectiveness of the configuration and the safety of its users.
		“The Hyatt Regency Walkway Collapse” Andrea Jenney, pp.1-5.
	www.pitt.edu /~djw8/event.html (2311 words)

	Hyatt Regency Savannah
		Hyatt is a hotel chain that operates hotels on all six continually inhabited continents on Earth.
		Hyatt was a founding member of the U.S. Senate Democratic Leadership Circle and was a member of that group from 1981 to 1986.
		Hyatt studied as an undergraduate at Rice University and graduate at University of Illinois at Urbana-Champaign.
	www.artistbooking.com /trips/112/hyatt-regency-savannah.html (896 words)

	Kansas City Hyatt Regency Collapse (Site not responding. Last check: 2007-11-06)
		The collapse of the walkways was due to a combination of the lack of an understanding of basic scientific principles, the lack of communication between parties, and the lack of a display of professional ethics by the involved parties.
		The collapse of the walkways ultimately occurred because of a lack of understanding of math and physics.
		The Hyatt Regency walkway collapse is a prime example of how the lack of understanding of basic physical concepts, communication between involved parties, and disregard of the aforementioned engineering canon can lead to a catastrophic engineering failure.
	www.pitt.edu /~kew21/InterestingEngineeringEvent.html (2311 words)

	Untitled
		The box beams (and walkways) separated from the ceiling rods and the fourth and second floor walkways across the atrium of the Hyatt Regency Hotel collapsed, killing 114 and injuring in excess of 200 others.
		The third floor walkway was independently suspended from the atrium roof trusses while the second floor walkway was suspended from the fourth floor walkway, which in turn was suspended from the roof framing.
		In the collapse, the second and fourth floor walkways fell to the atrium first floor with the fourth floor walkway coming to rest on top of the second.
	ethics.tamu.edu /ethics/hyatt/hyatt1.htm (5409 words)

	Hyatt-Regency Walkway Collapse: Design Alternatives (Site not responding. Last check: 2007-11-06)
		The 1981 failure of walkways in a Kansas City hotel occurred because of inadequate connections between hanger rods and bridge beams.
		This paper briefly reviews the collapse and examines means of strengthening the connections, such as had been suggested in the aftermath.
		The additions of a heavy washer plate and of an end plate are analyzed by approximate plastic-design methods, and the results of simple tests on replicas are reported.
	www.pubs.asce.org /WWWdisplay.cgi?8300577 (90 words)

	Hyatt Bridge Collapse (Site not responding. Last check: 2007-11-06)
		During the collapse, the box beam split and the support rod pulled through the box beam resulting in the fourth and second level walkways falling to the ground level.
		The failure of this 'grip' caused the walkway collapse.
		In the Hyatt Regency case, the lives of the public were hinged on G.C.E.'s ability to design a structurally sound walkway system.
	www.glendale-h.schools.nsw.edu.au /faculty_pages/ind_arts_web/bridgeweb/Hyatt_page.htm (1003 words)

	Hyatt Regency Walkway Collapse (Site not responding. Last check: 2007-11-06)
		Three walkways suspended from the atrium’s ceiling by six 32-mm-diameter tension rods each spanned the 37-m distance between the tower and the function block.
		The 2nd floor walkway, directly below the 4th floor walkway, was suspended from the beams of the 4th floor walkway, while the 3rd and 4th floor walkways hung from the ceiling (Feld and Carper, 1997).
		During construction, the atrium roof collapsed as a result of inadequate movement in the expansion joint and improper installation of a steel-to-steel concrete connection.
	www.radessays.com /viewpaper.php?nats=MTAxMzoyOjE&request=17364 (240 words)

	Kansas City Walkway Collapse
		Inside the atrium, there were three walkways that connected the hotel to the conference facilities on the second, third, and fourth floors.
		During construction in October 1979, part of the atrium roof collapsed and an inspection team was brought in to investigate the collapse.
		During the collapse, the box beam split and the bottom rod pulled through the box beam resulting in the collapse.
	antoine.frostburg.edu /phys/invention/case_studies/disasters/kansas_city_walkway.html (743 words)

	Untitled (Site not responding. Last check: 2007-11-06)
		Walkway sections have been moved from their original positions during the attempt to extricate those trapped in the wreckage.
		It was later found that the rods were also defective, in that the material used was of a lower strength material than specified.
		Photo of one of the walkway cross-beams, lying on the floor of the lobby.
	ethics.tamu.edu /ethics/hyatt/hyatt2.htm (336 words)

	Engineering is COOL - Gluep (Site not responding. Last check: 2007-11-06)
		Built in 1978 in Kansas City Missouri, the Hyatt Regency Hotel consisted of a 40-story tower and conference facilities.
		The reason behind the collapse was simple, the rods holding the beams were not strong enough to hold the combined weights of the walkways and the people.
		A better understanding of why the skywalks collapsed is given by the following explanation: "Suppose a long rope is hanging from a tree, and two people are holding onto the rope, one at the top and one near the bottom.
	engr.utexas.edu /wep/COOL/AcidRiver/allaboutbridges_Disasters_hyatt.htm (531 words)

	Kansas City Walkway Collapse Packet (Site not responding. Last check: 2007-11-06)
		The Kansas City Hyatt Regency Walkway Collapse is an incident where construction safety was compromised, leading to the eventual collapse of the walkway.
		The third and fourth floor walkways were suspended from the atrium roof, with the second floor walkway connected to the fourth floor walkway.
		The collapse of the atrium roof during construction was indicative of problems with the overall design.
	www.mech.utah.edu /ergo/educate/safety_modules/KC (2152 words)

	Summarized Case Studies
		Two walkways were stacked on top of each other and suspended from the ceiling; the top walkway fell on the bottom walkway, and the two fell onto the floor of the crowded atrium.
		On the day of the collapse, the sum of dead and live loads was less than the design load.
		The report concluded that “the most probable cause of the collapse was the imposition of construction loads on the shell before the concrete of lift 28 had gained adequate strength to support these loads” (Lew et al.
	www.eng.uab.edu /cee/faculty/ndelatte/case_studies_project/cases.htm (3894 words)

	Hyatt Regency walkway collapse: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-11-06)
		The 40-story-tall Hyatt (Hyatt is a hotel chain that operates hotels on all six continually inhabited continents on earth....)
		The walkways were suspended from a set of tie rod (Either of two rods that link the steering gear to the front wheels)
		the nuts and washers on the fourth floor walkway pulled through the walkway's support beams and both walkways collapsed.
	www.absoluteastronomy.com /ref/hyatt_regency_walkway_collapse (1403 words)

	Bibliography - Civil Engineering Research Guide - STCC Library (Site not responding. Last check: 2007-11-06)
		Estimated Snow, Ice and Rain Load Prior to the Collapse of the Hartford Civic Center Arena Roof.
		Luth, Gregory P. Chronology and Context of the Hyatt Regency Collapse." Journal of Performance of Constructed Facilities.
		Collapse of the World Trade Center - From the University of Sydney (Australia).
	library.stcc.edu /guides/civeng/bib.htm (1473 words)

	Design Against Failure (Site not responding. Last check: 2007-11-06)
		On July 17, 1981 a dance party at the Kansas City Hyatt Regency Hotel turned into a tragedy when a fourth-floor overhead walkway packed with revelers collapsed and fell onto a second-floor walkway full of people causing both to fall onto the main floor of party-goers.
		The third floor walkway shown in the picture was offset from the others and avoided a similar fate.
		Investigators using knowledge of solid mechanics analyzed the structural failure and traced the cause to overloaded walkway hangers.
	www.facstaff.bucknell.edu /rich/MECH353/TN353A3.htm (115 words)

	Innovative Teaching Showcase 2004-05 Text Only Version
		The Hyatt-Regency walkway collapse is one of a minimum of four cases that we always use in Strength of Materials.
		The other three cases we routinely use are the Kemper Arena roof collapse, the Quebec City Bridge collapse, and the Hartford Civic Center roof collapse.
		The water was able to pool past the maximum design depth due to poor deflection analysis, and the excess weight resulted in a collapse because the construction method resulted in critical bolts weakening due to fatigue.
	pandora.cii.wwu.edu /showcase2004/text_only/newcomer/portfolio.htm (2832 words)

	The Impact of Emerging Technologies: 10 Technology Disasters - Technology Review (Site not responding. Last check: 2007-11-06)
		When three "floating walkways" crashed to the floor of Kansas City, MO's swank new Hyatt Regency on July 17, 1981, speculation first fixed on the patrons who'd been dancing on them: perhaps their high-stepping had set off a harmonic wave that made the sky bridges buckle and crumble.
		The second-floor walkway thus hung from the fourth-floor, doubling the weight on its connectors.
		The designers had also asked to be on site during construction, when they might have spotted the change, but were rebuffed by an owner determined to avoid additional expense.
	www.techreview.com /InfoTech/wtr_12857,258,p3.html (220 words)

	hyatt regency walkway collapse (Site not responding. Last check: 2007-11-06)
		It even helped investigate the Kansas City, Mo., Hyatt Regency walkway collapse in 1981 that killed 111, she said.
		The Kansas City Hyatt Regency Walkways Collapse: the Kansas City Hyatt Regency Walkways Collapse is presented as an opportunity to debate the ethics of
		Hyatt Regency, the second tallest pure hotel in the midwest.
	hyatt-regency-walkway-collapse.erturi.com /?s=2 (269 words)

	Hyatt Regency Walkway Collapse - Hyatt Regency Walkway Collapse (Site not responding. Last check: 2007-11-06)
		Hyatt Regency Walkway Collapse - Hyatt Regency Walkway Collapse
		Searching for Hyatt Regency Walkway Collapse information can be tough.
		We have compiled many new Hyatt Regency Walkway Collapse resources to help you find the Hyatt Regency Walkway Collapse your looking for.
	lactescenty.bloggerscape.com /Hyatt_Regency_walkway_collapse (1063 words)

	hyatt regency walkway collapse (Site not responding. Last check: 2007-11-06)
		When two aerial walkways collapsed at the Kansas City Hyatt Regency in 1981, 110 people were killed and more than 200 were injured.
		The Kansas City Hyatt Regency Walkway Collapse Kansas City, Missouri - 1981 (Engineering Disaster) Figure 1 : Â After the collapse.
		The three suspended walkways in the Kansas City Hyatt Regency Hotel were built in October In the collapse, 114 people died and 200 more were injured.
	hyatt-regency-walkway-collapse.erturi.com (301 words)

	The Civil Engineering Portal - Search
		A case study written by Andrea Jenney at the University of Guelph.
		Descriptions and articles on Design Failure lessons drawn from Hyatt Regency Hotel catwalk collapse.
		In depth analysis on the Kansas City Hyatt Regency Walkway collapse.
	www.icivilengineer.com /Search/index.php/words=hyatt/page=1 (132 words)

	hyatt (Site not responding. Last check: 2007-11-06)
		Stay at the finest of downtown San Diego hotels at Manchester Grand Hyatt San Diego.
		Grand Hyatt Shanghai is the 'highest hotel in the world' (located on the 53rd to 87th floors of the Jin Mao Tower), in the heart of Pudong,
		The Grand Hyatt Taipei located adjacent to the Taipei World Trade Centre.
	www.quality-manchester-hotels.com /hyatt.html (473 words)

	Engineering Ethics
		A 3rd floor walkway across a hotel atrium collapsed during a party, killing 114 people
		the builders made a change in the design of the walkway support, which was already marginal
		It is relatively easy to say killing is always wrong, harder to say that lying is always wrong.
	www.clemson.edu /caah/history/FacultyPages/PamMack/lec122/engeth.htm (881 words)

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