| Budget Amount *help |
¥19,890,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥4,590,000)
Fiscal Year 2014: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2013: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2012: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2011: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
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| Outline of Final Research Achievements |
Studies have been made on deformation of dry walls as well as variations of ultimate states of steel frames subjected to fire. First, it is found by experiment that gypsum board walls cannot follow large downward displacements of heated beams. However, although fire spreads to a larger space within the floor for the weakness of walls, the overall ultimate temperature is found to be hardly deteriorated with a few remaining stable key elements. Second, it is found analytically that variations of ultimate temperatures of steel frames in fire due to varied high temperature strengths of materials increases at rather higher temperatures greater than 600 degree Celsius.These tendencies remain unchanged when plural collapse modes compete stochastically with each other. Theoretical factors influencing the above results have also been clarified.
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