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A platform for research: civil engineering, architecture and urbanism
Perlite roof deck and insulating concrete
When popped by heating, perlite expands to 10 times its original volume; its thermal conductivity or "k" factor is .34 when graded for use as concrete aggregate; insulating mixture consists of expanded perlite, portland cement, water, and air entraining agent; used in roof deck construction, it offers insulation plus great strength, rigidity and fire safety; tables show data on physical properties.
Perlite roof deck and insulating concrete
When popped by heating, perlite expands to 10 times its original volume; its thermal conductivity or "k" factor is .34 when graded for use as concrete aggregate; insulating mixture consists of expanded perlite, portland cement, water, and air entraining agent; used in roof deck construction, it offers insulation plus great strength, rigidity and fire safety; tables show data on physical properties.
Perlite roof deck and insulating concrete
Concrete Construction
1961
3 pages
Article (Journal)
English
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| Engineering Index Backfile | 1954
Vermiculite roof deck and insulating concrete
Engineering Index Backfile | 1961