In this study, 2003 year compressive test results of C20 and C30 concrete specimens have been taken from a ready-mixed concrete company which has an old past and good appurtenance. As two groups of results have been statistically evaluated and all results interpreted. Test results have been reviewed in two groups as 7 days and 28 days old specimens, frequency diagrams of both groups found and producing percentages of concrete categories considered that if they have developed or not. Furthermore, quality of concrete has been graded and seen that grade is medium when the concrete category is below C25; grade is good when the concrete category is over C25 for Eskişehir. Number of used specimens is 174 for 7 days old specimens and 244 for 28 days old specimens and totally 418 specimens used for tests. According to statistical evaluations, just 3.69 % of produced concretes are below the C20 concrete category so this is a good consequence for Eskişehir.
Subjects | Civil Engineering |
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Journal Section | Research Articles |
Authors | |
Publication Date | December 31, 2005 |
Published in Issue | Year 2005 Volume: 18 Issue: 2 |