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Fire Development and Wall Endurance in Sandwich and Wood-Frame Structures

C. A. Holmes / H. W. Eickner / J. J. Brenden / C. C. Peters / R. H. White

Large-scale fire tests were conducted on seven 16- by 24-foot structures. Four of these structures were of sandwich construction with cores of plastic or paper honeycomb and three were of wood-frame construction. The walls were loaded to a computed design loading, and the fire endurance determined under a fire exposure from a typical building contents loading of 4-1/2 lb/ft floor area. The results in the large-scale tests generally agreed with results of laboratory ASTM E 119 tests on the same wall constructions if the slower fire buildup time in the large-scale tests is considered. Thermal barrier protection (gypsum board) on the interior walls of the plywood sandwich construction provided the improved performance needed. The large-scale tests also showed a critical temperature associated with flashover under the fire conditions employed. (Author)

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Fire Development and Wall Endurance in Sandwich and Wood-Frame Structures

C. A. Holmes / H. W. Eickner / J. J. Brenden / C. C. Peters / R. H. White

Large-scale fire tests were conducted on seven 16- by 24-foot structures. Four of these structures were of sandwich construction with cores of plastic or paper honeycomb and three were of wood-frame construction. The walls were loaded to a computed design loading, and the fire endurance determined under a fire exposure from a typical building contents loading of 4-1/2 lb/ft floor area. The results in the large-scale tests generally agreed with results of laboratory ASTM E 119 tests on the same wall constructions if the slower fire buildup time in the large-scale tests is considered. Thermal barrier protection (gypsum board) on the interior walls of the plywood sandwich construction provided the improved performance needed. The large-scale tests also showed a critical temperature associated with flashover under the fire conditions employed. (Author)

Fire Development and Wall Endurance in Sandwich and Wood-Frame Structures

C. A. Holmes / H. W. Eickner / J. J. Brenden / C. C. Peters / R. H. White

Large-scale fire tests were conducted on seven 16- by 24-foot structures. Four of these structures were of sandwich construction with cores of plastic or paper honeycomb and three were of wood-frame construction. The walls were loaded to a computed design loading, and the fire endurance determined under a fire exposure from a typical building contents loading of 4-1/2 lb/ft floor area. The results in the large-scale tests generally agreed with results of laboratory ASTM E 119 tests on the same wall constructions if the slower fire buildup time in the large-scale tests is considered. Thermal barrier protection (gypsum board) on the interior walls of the plywood sandwich construction provided the improved performance needed. The large-scale tests also showed a critical temperature associated with flashover under the fire conditions employed. (Author)

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Title:

Fire Development and Wall Endurance in Sandwich and Wood-Frame Structures

Contributors:

C. A. Holmes (author) / H. W. Eickner (author) / J. J. Brenden (author) / C. C. Peters (author) / R. H. White (author)

Publication date:

1980

Size:

28 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Construction Materials, Components, & Equipment , Sandwich construction , Honeycomb structures , Walls , Fire resistance , Endurance(General) , Critical temperature , Test methods , Construction , Barriers , Thermal properties , Frames , Wood , Large scale tests , Gypsum boards

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