Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effect of fineness of continuously graded coarse aggregate on properties of concrete
Forty mass-concrete mixtures were made with natural sand, 20 containing crushed limestone coarse aggregate and 20 containing natural gravel coarse aggregate; coarse aggregate was 6-in. maximum size and was processed into eight gradings; grading formula now used by Corps of Engineers contains factor d0.5; tests were made to determine degree of suitability of this formula; results indicate that variation in coarse aggregate gradings can be allowed and that equally good concrete will still result, i.e., concrete with exponent gradings of 0.4, 0.6, and 0.7 appears to be as good as that with 0.5 exponent gradings.
Effect of fineness of continuously graded coarse aggregate on properties of concrete
Forty mass-concrete mixtures were made with natural sand, 20 containing crushed limestone coarse aggregate and 20 containing natural gravel coarse aggregate; coarse aggregate was 6-in. maximum size and was processed into eight gradings; grading formula now used by Corps of Engineers contains factor d0.5; tests were made to determine degree of suitability of this formula; results indicate that variation in coarse aggregate gradings can be allowed and that equally good concrete will still result, i.e., concrete with exponent gradings of 0.4, 0.6, and 0.7 appears to be as good as that with 0.5 exponent gradings.
Effect of fineness of continuously graded coarse aggregate on properties of concrete
U S Waterways Experiment Station -- Tech Report
Tynes, W.O. (Autor:in)
1968
22 pages
6 Tables
Report
Englisch
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