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A platform for research: civil engineering, architecture and urbanism
Building movement can damage built-up roofing systems
Since all structures move to some extent, potentially harmful changes in dimension of structural elements must be taken into account in design of roofing systems to avoid maintenance problem; effects of thermal movement, and structural deflections; methods of lowering thermal movement of cast-in-place construction by drying and gypsum decking; structure must be designed to ensure low wind uplift, low degree of weathering and other causes of movement; it is recommended that expansion joints be spaced not more than 150 ft apart, roofing systems be designed for minimum 15 lb/sq ft wind uplift, roof slope should be less than 1/4 in./ft, and parapets be excluded.
Building movement can damage built-up roofing systems
Since all structures move to some extent, potentially harmful changes in dimension of structural elements must be taken into account in design of roofing systems to avoid maintenance problem; effects of thermal movement, and structural deflections; methods of lowering thermal movement of cast-in-place construction by drying and gypsum decking; structure must be designed to ensure low wind uplift, low degree of weathering and other causes of movement; it is recommended that expansion joints be spaced not more than 150 ft apart, roofing systems be designed for minimum 15 lb/sq ft wind uplift, roof slope should be less than 1/4 in./ft, and parapets be excluded.
Building movement can damage built-up roofing systems
Arch Rec
Gumpertz, W.H. (author)
Architectural Record ; 140
1966
4 pages
Article (Journal)
English
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