| Budget Amount *help |
¥22,880,000 (Direct Cost: ¥17,600,000、Indirect Cost: ¥5,280,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2015: ¥9,750,000 (Direct Cost: ¥7,500,000、Indirect Cost: ¥2,250,000)
Fiscal Year 2014: ¥9,750,000 (Direct Cost: ¥7,500,000、Indirect Cost: ¥2,250,000)
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| Outline of Final Research Achievements |
The main purpose of this research is to clarify fire resistance performance on welded connections of steel building structures. High temperature tensile experiments for steel plates with the welded connections, high temperature bending shear experiments for column to beam welded connections, high temperature Charpy impact tests for the welded connection were conducted, respectively. Furthermore, verification methods on the brittle fractures of the welded connection in the steel structure subjected to fire was proposed. From the experimental results, it was confirmed that the welded connection at the high temperature possesses the same or larger strength and deformation capacity than the base steel member. The verification method on a ductile crack in the welded connection, which can be used at the fire resistance design in practice, was constructed.
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