Differences of Fire Resistance According to Boundary Conditions of Submarine Structural Steels

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Structural steels have been developed in terms of users needs. Particularly, easy welding is one of the most important factors of steel works that results in submarine structural steel (SM). The SM has become a popular structural steel in building construction in columns and beams proving as good as ordinary structural steels (SS). However, evaluation of fire resistance at H-section made of SM steels was not suggested in terms of boundary conditions. In this paper, to compare the fire resistance of H-section made of SM steels, such as SM 400, SM 490, and SM 520 was tested and analyzed in terms of load carrying capacity at high temperature. The facts showed that as the strength is increased, the reduction ratio of an allowable load is rapid and fixed to fixed boundary condition was more robust than others in high temperatures.

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137-140

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April 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.1177/1042391511427101

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