Thermal-shock Resistance for Built-up Membranes PDF Download
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Author: William C. Cullen
Publisher:
ISBN:
Category : Building materials
Languages : en
Pages : 28
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Book Description
The resistance of bituminous built-up roofing membranes to thermally induced forces is considered in terms of their strength properties such as breaking load in tension, modulus of elongation and apparent linear thermal expansion coefficient.The development of a Thermal-Shock Resistance Factor is described and values are given for three bituminous built-up membranes at temperatures of - 30F (-34.4C), 0F (-17.8C), 30F (-1.1C) and 73F (22.8C).The apparent relation between the values obtained in the laboratory and the observed performance of roofing membranes in service is considered.The utilization of the Thermal-Shock Resistance Factor in the reduction of potential failures of bituminous built-up roofing membranes in service from thermally induced forces is also discussed.(Author).
Author: William C. Cullen
Publisher:
ISBN:
Category : Building materials
Languages : en
Pages : 28
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Book Description
The resistance of bituminous built-up roofing membranes to thermally induced forces is considered in terms of their strength properties such as breaking load in tension, modulus of elongation and apparent linear thermal expansion coefficient.The development of a Thermal-Shock Resistance Factor is described and values are given for three bituminous built-up membranes at temperatures of - 30F (-34.4C), 0F (-17.8C), 30F (-1.1C) and 73F (22.8C).The apparent relation between the values obtained in the laboratory and the observed performance of roofing membranes in service is considered.The utilization of the Thermal-Shock Resistance Factor in the reduction of potential failures of bituminous built-up roofing membranes in service from thermally induced forces is also discussed.(Author).
Author:
Publisher:
ISBN:
Category : Building materials
Languages : en
Pages : 28
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Book Description
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Building
Languages : en
Pages : 822
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Book Description
Author:
Publisher: ASTM International
ISBN:
Category : Roofing
Languages : en
Pages : 217
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Book Description
Author: United States. Congress. House. Committee on Science and Technology. Subcommittee on Science, Research, and Technology
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 600
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Book Description
Author: United States. Congress. House. Committee on Science and Technology. Subcommittee on Science, Research, and Technology
Publisher:
ISBN:
Category :
Languages : en
Pages : 582
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Book Description
Author: Harry Shoub
Publisher:
ISBN:
Category : Fire testing
Languages : en
Pages : 38
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Book Description
Tests were conducted to determine the resistance to fire of welded steel plate and beam floor assemblies with various conditions of floor covering on the plates, and ceiling protections beneath the beams. The trials included fire exposures from the burnout of combustible materials ranging from 10 to 40 lb/sq ft on the floor surface as well as standard fire endurance tests in which the ceiling of the structure was exposed to fire. The results of the tests indicated that the use of steel floor structures was practical from considerations of fire safety. For the test conditions established, fire exposure on top of the floor did not heat the structural steel supporting members sufficiently to cause load failure or collapse, and did not produce untenable conditions in the room below. In tests involving fire exposure to the underside of floors, the fire endurance times, based solely on heat transmission criteria, ranged from 1 hr 24 min to over 4 hr. Temperature levels attained by the structural members and deflection of the floor assemblies are also reported. (Author).
Author:
Publisher:
ISBN:
Category : Building
Languages : en
Pages : 554
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Book Description
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 788
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Book Description
Author: United States. National Bureau of Standards. Technical Information and Publications Division
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1116
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Book Description
