محبوبترین نویسندگان :
نویسندگان مقالات پربازدید :
ساختمان و محیط زیست
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
حوزه های تحت پوشش رویداد

  • behavior of a mechanically anchored waterproofing membrane system under wind suction and uniform pressure

    نویسندگان :
    کلمات کلیدی :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 462
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a pressure and wind tunnel test was conducted to obtain the basic data for wind resistance design of a mechanically anchored waterproofing membrane system. the test specimen was a flat roof with the following dimensions: 2.4 m in width, 3 m in length and 0.29 m in height. the waterproofing material was polyvinyl chloride sheet reinforced with polyester fiber (pvc sheets). in the pressure test, because the applied pressure was equivalent to the pressure on the entire surface area of the roof, the billowing heights of the pvc sheet around the fastener had almost the same maximum values; therefore, the axial force at the fastener was also similar to the pressure induced by a compressor, and no lateral forces were measured. on the other hand, in the wind tunnel test, the strain of the pvc sheet around the fastener at windward side was larger than that of the leeward side. the lateral force was 70% of the axial force at a mean wind speed of 38.6 m/s. therefore, it was clear that the characteristics of the mechanically anchored waterproofing membrane system in the pressure test and the wind tunnel test were different.

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