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6、truction MaterialsConstruction MaterialsConstruction Materials抗折强度破坏荷载 (抗折强度破坏荷载 (kNkN) 抗压强度破坏荷载 (抗压强度破坏荷载 (kNkN) 3d3d 28d28d 3d3d 28d28d 2323 7575 1.251.25 2.902.90 2929 7171 2929 7070 1.601.60 3.053.05 2828 6868 2626 6969 1.501.50 2.752.75 2727 7070 Construction Materials(1)抗折强度计算: 该水泥试样3d抗折强度破坏荷载
7、的平均值为: kNFf45. 1350. 160. 125. 13 8 .1345. 125. 145. 1 (10%)舍去1.25 kNFf55. 1250. 160. 13 该水泥试样的3d抗折强度为: MPabLFRff6 . 34010015505 . 15 . 1333 Construction Materials该该水水泥泥试试样样2 28 8d d抗抗折折强强度度破破坏坏荷荷载载的的平平均均值值为为: kNFf90. 2375. 205. 390. 228 该该水水泥泥试试样样的的2 28 8d d抗抗折折强强度度为为: MPabLFRff8 . 64010029005 . 15
8、 . 13328 Construction Materials(2)抗压强度计算: 该水泥试样3d抗压强度破坏荷载的平均值kNFc.2762726282929233 %8 .14272327(10%)舍去舍去2323 kNFc8 .27527262829293 该水泥试样该水泥试样3d3d抗压强度为:抗压强度为: MPaAFRcc4 .17160010008 .273 Construction Materials该该水水泥泥试试样样2 28 8d d抗抗压压强强度度破破坏坏荷荷载载的的平平均均值值为为: kNFc5 .70670696870717528 该该水水泥泥试试样样的的2 28 8d
9、d抗抗压压强强度度为为: MPaAFRcc1 .44160010005 .7028 Construction Materials该该普普通通硅硅酸酸盐盐水水泥泥试试样样在在不不同同龄龄期期的的强强度度汇汇总总如如下下表表: 抗抗压压强强度度(M MP Pa a) 抗抗折折强强度度(M MP Pa a) 3 3d d 2 28 8d d 3 3d d 2 28 8d d 1 17 7. .4 4 4 44 4. .1 1 3 3. .6 6 6 6. .8 8 查查表表( (G GB B1 17 75 5- -1 19 99 99 9) )知知该该水水泥泥试试样样强强度度等等级级为为普普通通硅硅酸酸盐盐水水泥泥4 42 2. .5 5号号。 Construction Materials Construction MaterialsConstruction MaterialsConstruction MaterialsConstruction MaterialsConstruction MaterialsConstruction MaterialsConstruction MaterialsConstruction MaterialsConstruction Materials