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High-pressure test for determining air content of hardened concrete
Test apparatus developed from one originated by Illinois Division of Highways was studied using 6- by 12-in. concrete cylinders; specimen submerged in water in strong sealed container and subjected to 4000 psi hydraulic pressure; ensuing apparent volume change used to determine amount of air present in specimen; results show general agreement with tests by previous investigators and excellent with micrometric air determinations.
High-pressure test for determining air content of hardened concrete
Test apparatus developed from one originated by Illinois Division of Highways was studied using 6- by 12-in. concrete cylinders; specimen submerged in water in strong sealed container and subjected to 4000 psi hydraulic pressure; ensuing apparent volume change used to determine amount of air present in specimen; results show general agreement with tests by previous investigators and excellent with micrometric air determinations.
High-pressure test for determining air content of hardened concrete
U S Corps Engrs -- Waterways Experiment Station -- Miscellaneous Paper
1958
24 pages
Article (Journal)
English
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