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NATIONAL READY MIXED CONCRETE COMPAT{Y <br />Standard Deviation by Required Average Strengths, <br />Amcric.n Concret. lnstitute Codc ACI fl8 Chepter 5, "Concrctc Qurlity, Mixirg and Phcing" <br />Stsndsrd DevistioD Study for Mir Design No.: <br />Design Compressive Strcngth: <br />l "/4000 psi/Pump-Place <br />psi f' cr: 4459 psi <br />s63900 <br />4000 <br />0.49 <br />30 <br />342 <br />I .00 <br />342 <br />4459 <br />429t <br />42t0 <br />4010 <br />lE00 <br />3880 <br />3920 <br />1620 <br />3950 <br />l5t0 <br />3940 <br />tT20 <br />3110 <br />t440 <br />3750 <br />34t0 <br />3860 <br />1700 <br />4240 <br />3750 <br />3970 <br />1650 <br />1920 <br />45t0 <br />1750 <br />4020 <br />3tt0 <br />3790 <br />4020 <br />40t0 <br />4040 <br />4120 <br />s63900 <br />4000 <br />5510 <br />5290 <br />4E50 <br />5290 <br />5210 <br />5 r30 <br />5290 <br />4Et0 <br />4920 <br />4750 <br />4540 <br />4590 <br />4630 <br />4480 <br />5070 <br />4860 <br />51fi <br />4960 <br />5090 <br />4750 <br />45t0 <br />5890 <br />5120 <br />5100 <br />4690 <br />4950 <br />5250 <br />52fi <br />5290 <br />6000 <br />6.3 <br />0.0 <br />Actu!l <br />Sacks <br />o/o <br />Tlpe II/VMir Design No.: <br />Comprcssivc Strength (f 'c): <br />w/C Rrtio: <br />Numbcr of Test Rcsults: <br />Strndard Deviation: <br />Modilicstior Factor: <br />Modifi cd Strndsrd Devietion: <br />f'cr = f'c+ 1.34s = <br />f 'cr =f ,c+2.33s-500 = <br />18791 <br />3t79t <br />It?99 <br />19t E0 <br />t9r <br />39t82 <br />39t tl <br />39t84 <br />39417 <br />39419 <br />t9420 <br />19121 <br />19113 <br />39414 <br />39957 <br />t9951 <br />40014 <br />40015 <br />40299 <br />40lm <br />4030t <br />40360 <br />4036t <br />40146 <br />40141 <br />40748 <br />4t224 <br />4t225 <br />41226 <br />4 t448 <br />Averagc: <br />High: <br />f,ow: <br />psr <br />4.4t <br />7 Dty <br />3867 <br />4510 <br />34t0 <br />5r70 <br />5t55 <br />5 r9t <br />5225 <br />5200 <br />5058 <br />5012 <br />4t21 <br />46Et <br />45t? <br />46r0 <br />4650 <br />477t <br />4792 <br />5132 <br />507) <br />5t9t <br />4921 <br />4900 <br />50t1 <br />5205 <br />53t0 <br />5005 <br />4942 <br />4991 <br />5161 <br />5l ll <br />5510 <br />Yo <br />inches <br />28 Dey <br />5060 <br />5900 <br />4450 <br />pst <br />psi <br />l <br />z <br />l <br />4 <br />5 <br />6 <br />7 <br />E <br />9 <br />t0 <br />tl <br />t2 <br />t3 <br />t4 <br />I5 <br />t5 <br />t7 <br />It <br />t9 <br />20 <br />2t <br />22 <br />23 <br />74 <br />25 <br />26 <br />27 <br />2t <br />29 <br />30 <br />5270 <br />5030 <br />5070 <br />5400 <br />5370 <br />4950 <br />5250 <br />4920 <br />5000 <br />4560 <br />4160 <br />1720 <br />4820 <br />4660 <br />5010 <br />4670 <br />5470 <br />4160 <br />52m <br />4t00 <br />4950 <br />5520 <br />4940 <br />5090 <br />4890 <br />4930 <br />5250 <br />5360 <br />5470 <br />5E00 <br />5390 <br />5150 <br />4960 <br />5t45 <br />5290 <br />50.r0 <br />5210 <br />4E65 <br />4960 <br />4655 <br />,r450 <br />,1555 <br />1725 <br />4510 <br />5MO <br />4765 <br />55m <br />4860 <br />5 t45 <br />4775 <br />4780 <br />5705 <br />5t30 <br />5095 <br />4190 <br />4940 <br />5250 <br />53 t0 <br />5180 <br />5900 <br />208334 <br />20t363 <br />2083t9 <br />208829 <br />20ttr2 <br />208895 <br />20E956 <br />208975 <br />209376 <br />209401 <br />2W429 <br />209429 <br />209482 <br />2095 <br />2 t 0046 <br />2 t 0069 <br />210285 <br />210108 <br />210,606 <br />210624 <br />7t0644 <br />210556 <br />210676 <br />2r0r20 <br />2l I t37 <br />2t r r60 <br />2t t9l8 <br />2t t96l <br />2|975 <br />2t2t79 <br />475 <br />450 <br />475 <br />400 <br />400 <br />500 <br />450 <br />415 <br />415 <br />415 <br />550 <br />5.00 <br />400 <br />500 <br />400 <br />400 <br />415 <br />500 <br />450 <br />500 <br />450 <br />400 <br />400 <br />475 <br />450 <br />400 <br />450 <br />400 <br />425 <br />1.50 <br />Rreak Data <br />Slump <br />Ru nnirtg <br />Avp. of3 <br />Ticket <br />No.28 D8y 28 Day |8 Day Av7 DaySet No, <br />2/7t2ot8 Plare I Sla De! 561900 <br />BACKUP DATA <br />CemeDtitious: <br />psi Flyuh: <br />in Design <br />Air: 1.0 <br />Slump: 4.00