COMPATIBILITY BETWEEN ENHANCEMENT OF FIRE RESISTANCE PERFORMANCE AND CROSS-SECTION REDUCTION OF WOODEN FIRE-RESISTANT STRUCTURAL BEAM
Tomoyo HOKIBARAGraduate Student, Waseda Univ., B.Eng. Forestry Research and Management Organization, Ph.DYuto AKAMAGraduate Student, Waseda Univ., B.Eng. Forestry Research and Management Organization, Ph.DKoki WATANABEFaculty of Science and Engineering, Waseda Univ., Ph.DDaisuke KamikawaGraduate Student, Waseda Univ., B.Eng. Forestry Research and Management Organization, Ph.DRyo TAKASEGlobal Fire Sci. and Tech., TUS, PhKen MatsuyamaDept. of Global Fire Sci. and Tech., TUS
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In order to ensure fire resistance with wooden structures, self-extinguishment and carbonization control are necessary, but as the required fire resistance time increases, the cross section becomes larger. Therefore, in this study, bench-scale and full-scall beam heating tests were conducted on wooden fireproof structural members using fire-retardant cedar for the barrier layer, using the laminated direction and the amount of chemicals as parameters. As a result, the difference in the effect of the barrier layer during heating and cooling, and the cross-sectional configuration of the member that reduces the volume and weight of the barrier layer were clarified.
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