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Triangle of Life : ウィキペディア英語版 | Triangle of Life
The Triangle of Life is a controversial theory about how to survive a major earthquake, typically promoted via viral emails. The theory advocates methods of protection very different from the mainstream advice of "drop, cover, and hold on" method widely supported by reputable agencies.〔Federal Emergency Management Agency, (Earthquakes ), 26 September 2012, accessed 3 January 2013〕〔Southern California Earthquake Center, (Protect Yourself During an Earthquake - Drop, Cover, and Hold On! ), 17 December 2012, accessed 3 January 2013.〕〔Alaska Red Cross, ("Drop, Cover, and Hold On!" ), accessed 3 January 2013.〕〔Government of New Zealand, ("Drop, cover and hold still the best advice" )〕〔Shropshire, U.K., ("DROP, COVER, AND HOLD ON! " )〕〔United Nations Educational, Scientific and Cultural Organization (''"protect yourself from falling debris by hiding under a strong table or structure"'' )〕 In particular, the method's developer and key proponent, Doug Copp, recommends that at the onset of a major earthquake, building occupants should seek shelter near solid items that will provide a protective space, a void or space that could prevent injury or permit survival in the event of a major structural failure, a "pancake collapse", and specifically advises ''against'' sheltering under tables. Officials of many agencies, including the American Red Cross and the United States Geological Survey, have criticized the "Triangle of Life" theory, saying that it is a "misguided idea" and inappropriate for countries with modern building construction standards where total building collapse is unlikely.〔〔〔New Zealand National Crisis Management Centre, ("Discredited earthquake safety advice circulated" ), 9 September 2010〕〔("'Safe practice' urged for earthquake preparedness" ), Hazard Management Cayman Islands (HMCI) spokesperson〕〔("ODPEM dismisses quake tips from Doug Copp" ), Jamaica Observer, 29 January 2010, accessed 3 January 2013〕 == Theory == According to Copp's theory, when buildings collapse, the weight of the ceilings falling upon the objects or furniture inside tends to crush them, but the height of the object that remains acts as a kind of roof beam over the space or void next to it, which will tend to end up with a sloping roof over it. Copp terms this space for survival as the triangle of life. The larger and stronger the object, the less it will compact; the less it compacts, the larger the void next to it will be. Such triangles are the most common shape to be found in a collapsed building.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Triangle of Life」の詳細全文を読む
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