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Title
Final Report for roof uplift chamber pressure distribution testing (Phase 1)
Final Report for roof uplift chamber pressure distribution testing (Phase 1)
Date
6/2013
6/2013
Author(s)
Structural Research, Inc.
Structural Research, Inc.
Page(s)
22
22
Keyword(s)
final; report; roof; uplift; chamber; pressure; distribution; testing
final; report; roof; uplift; chamber; pressure; distribution; testing
Abstract
Results from research into the pressure distribution under a negative pressure uplift chamber used to conduct ASTM E907 in accordance with FM-1-52. The general purpose of this research was to answer conjecture within the roofing community about the validity of this test in regards to the difficulty, on many roofs, to achieve a seal and the resulting pressures under the chamber from air leakage during the test. More concisely, testing the entire sample area at the same pressure during a test or do leaks around the perimeter of the chamber lead to large pressure differences around the roof surface being tested.
Results from research into the pressure distribution under a negative pressure uplift chamber used to conduct ASTM E907 in accordance with FM-1-52. The general purpose of this research was to answer conjecture within the roofing community about the validity of this test in regards to the difficulty, on many roofs, to achieve a seal and the resulting pressures under the chamber from air leakage during the test. More concisely, testing the entire sample area at the same pressure during a test or do leaks around the perimeter of the chamber lead to large pressure differences around the roof surface being tested.