ASTM C 78 - F lexu ral Strength of Concrete ASTM C-78 Tim...

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Unformatted text preview: F lexu ral Strength of Concrete ASTM C-78 Tim Boyer CM 442 P re-L ab Pu rpose This purpose of this experiment to provide a standardized method for determining the f lexural strength of concrete beams. Equipment Testing machine Loading Apparatus P rocedure Center the beam on the loading blocks Br ing the load to 3% -6% of the estimated ultimate load and look for gaps. Load the specimen very carefully onto supports. Apply late for 125-175 r=(Sbd2)/L Post-L ab Test Conditions The test conditions for this procedure were normal. Results 6.124 6.207 6.153 Average : 6.161 6.012 in 6.058 in 6.112 in 6.061 in Ruptur e: 9150 lbs Comments The procedure was followed as written and everything proceeded normally. ...
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ASTM C 78 - F lexu ral Strength of Concrete ASTM C-78 Tim...

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