concrete_breaking_2008

concrete_breaking_2008 - No 1 7 day Wet cylinder 2 3 4 14...

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Mon 2-4 Mon 4-6 Wed 2-4 0.38 0.36 0.34 0.38 0.36 0.34 0.38 0.36 No 1 2 3 1 2 3 1 2 1 29620 36090 17990 15760 34140 19660 10710 29290 1620.19 1657.89 1686.6 3.545 lb 1671.98 1650.45 3.598 lb 3.5 lb 2 28200 37120 41620 24640 19220 35990 29780 11010 16109 1687.26 1619.9 3.56 lb 1653.43 1641 3.54 3.5 lb 3 28840 13980 23692 13790 38220 46320 25270 27870 1593.5 1673.96 1697.2 3.57 lb 1646.4 1658 3.5391 lb 3.5 lb 4 33490 43925 7430 22240 37860 41690 34930 33990 1607.08 1618.47 1679.82 1609.1 1652.8 1663.45 3.671 lb 1658 5 31600 47360 15110 21200 29880 NA 36869 17480 1616.73 1609.7 1671.4 1629 1657.1 NA 3.52 lb 1566 6 29940 48020 4450 23280 37470 NA 29320 36070 1606.57 1595.07 1605.09 1618.8 1652 NA 3.57 lb 1631.48 7 3600 45760 13700 7910 9900 11560 11870 7608 1613.89 1603.46 1646.81 1617 1674 1656 3.61 lb 1521 8 2570 49770 6660 8600 10900 NA 6320 10909 1620.92 1623.48 1648.59 1633.6 1643.6 NA 3.64 lb 1643 9 2970 44870 12210 10470 13940 NA 9190 6550 1617.1 1629.5 1633.49 1616.7 1652.1 NA 3.65 lb 1644 10 37560 40140 24700 42830 17310 33910 28000 38986 1627.26 1621.22 1686.1 1638 1554 1607 1590 1654 11 34830 50440 31400 35560 26530 43820 13700 34200 1613.81 1623.47 1676.49 1639 1562 1591.6 1638 1630.42 12 30880 36290 16600 40740 24610 12600 13200 40290 1636.61 1632.47 1631.9 1641.66 1598 1590 1683 1623 Moist.ro. Dry air Moist. ro. Dry air Dry air Moist.ro. Dry air Moist.ro. 13 5300 4370 4430 5810 5640 3620 4730 5610 10.23 10.51 10.47 10.57 10.53 10.33 10.59 10.48 7 day Wet cylinder 14 day Wet cylinder 14 day Wet cylinder split 21 day air or moist room Beam 14 days Note: upper data is usually break strenght in pounds, below one is usually the weight in grams(cylinders) or kgs (the beam), use your best judgement Question: Use all the above data for lab reports not only your group's data, mostly there is no data for 21 days for moist samples. Are 21 day dry samples stronger than 14 day moist samples? Why?
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Wed 4-6 0.34 0.38 0.36 0.34 3 1 2 3 21280 11290 23440 28980 1625 1457 1624 1619 28900 6220 18680 43190 1623 1426 1591 1635 25620 17150 24840 24990 1620 1433 1596 1627 26100 12740 1993 53180 1668 NA 1639 1635 14870 22720 1399 42800 1646 NA 1671 1629 9550 28980 1671 48290 1660 NA 1632 1634 11080 1540 39420 14290 1647 NA 1643 1645 12640 8510 37890 11700 1667 NA 1660 1629 4470 7400 36640 15320 1660 NA 1638 1648 37460 26100 16840 35900 1678 1482.5 1530 1598 47410 22200 26770 37980 1659 1495 1525 1617 21200 26360 5140 19980 1663 1479 1515 1579 Moist.ro. Dry air Dry air Dry air 6030 4560 5310 10090 10.58 10.5 10.5 30
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Compression Strength=P/A 1 lb= 4.45 N L cylinder 6 in A= 7.07 1 g= 0 lb 0 L cylinder 6 in tensile test= π L d 56.55 0.04 d cylinder 3 in Flexural strength MOR)= L beam 15 in 0.23 0 b beam 4 in d beam 4 in in 2 m 2 in 2 m 2 2 P max / (π L d) Pmax L / (b d 2 ) L/bd 2
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Mon 2-4 Group 1 w/c 0.38 w/c No Pmax (N) weight (g) Pmax(lb) weight (lb) 7 day Wet cylinder 1 131750 1620.19 28.892 29620 3.564 4190.373 2 125434 1610.90 27.507 28200 3.544 3989.484 3 128280
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concrete_breaking_2008 - No 1 7 day Wet cylinder 2 3 4 14...

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