機械的固定工法による各種防水層の風洞実験

概要

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For designing a safer mechanically anchored waterproofing membrane system against tyohoons, the type and mechanical property of waterproofing membranes are the critical factors of the system. In this study, the wind tunnel test with various mechanically anchored waterproofing membranes was carried out to gain an understanding of the behavior of waterproofing membranes and its relation to wind parameters against high wind speed. Three types of full-scale size waterproofing membranes were exposed to high wind speed. All membranes were lifted up by negative pressure of wind and tensile force induced in a fastener. The billowing condition of waterproofing membranes depended on their modulus and the strain was greater at the bias direction of fastener. The modulus of waterproofing membrane exerted an influence upon the frequency and fluttering patterns. It is necessary to consider the mechanical property of waterproofing membranes when the waterproofing membrane system was designed against high wind speed.
社団法人日本建築学会の論文
2007-05-30