Cements, Limes, and Plasters: Their Materials, Manufacture, and Properties |
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Other editions - View all
Cements, Limes, and Plasters; Their Materials, Manufacture, and Properties Edwin Clarence Eckel No preview available - 2012 |
Common terms and phrases
Alkalies Alumina Al2O3 amount analyses average beds burning CaCO3 calcined calcium Carbon dioxide CO2 carried cement industry cement materials cement rock CEMENT-PLANTS Cementation Index cent of lime chalk chapter chemical clayey clinker coal composition containing cost County crusher cubic discussed Engineering feet Geological Survey grappier cement grinding gypsum heat hydrated hydraulic limes impurities Iron oxide Fe2O3 Kansas Lehigh district Lime CaO lime carbonate lime-sand brick Magnesia MgO magnesium carbonate magnesium chloride manufacture marl marl deposits methods mortar natural cements output P. C. Co percentage plants plaster Portland cement Portland-cement practice present pure limestone quarry quicklime raw materials rotary drier rotary kiln sand shale Silica SiO2 slag slaked lime slaking slate Square Inch stone sulphate Sulphur trioxide Sulphur trioxide SO3 TABLE temperature tensile strength tests tons tube mills U. S. Geol usually Watertown Arsenal
Popular passages
Page 13 - Al . . . .Sb ....A ....As ....Ba . ...Bi . ...B . ...Br . . . .Cd . . . .Cs . . . .Ca ....C . . . .Ce . . . .Cl . ...Cr ....Co . ...Cb . . . .Cu...
Page 524 - The precipitate shall be dissolved in a small quantity of hot hydrochloric acid, the solution diluted to about 100 cc, 1 cc of a saturated solution of sodium-ammonium-hydrogen phosphate added, and ammonia drop by drop, with constant stirring, until the precipitate is again formed as described and the ammonia is in moderate excess. The precipitate shall then be allowed to stand about two hours, filtered and washed as before.
Page 615 - A cement may be rejected in case it fails to meet any of the above requirements. An agent of the contractor may be present at the making of the tests, or, in case of the failure of any of them, they may be repeated in his presence.
Page 568 - The cement may, however, be held for twenty-eight days, and a retest made at the end of that period, using a new sample. Failure to meet the requirements at this time should be considered sufficient cause for rejection, although in the present state of our knowledge it cannot be said that such failure necessarily indicates...
Page 13 - Pa Ra Rn Re Rh Rb Ru Sm Sc Se Si Ag Na Sr S Ta Tc Te Tb Tl Th Tm Sn Ti W U V Xe Yb Y Zn Zr...
Page 522 - ... minutes, or longer if the blast is not powerful enough to effect complete conversion to a cement in this time. It is then transferred to an evaporating dish, preferably of platinum for the sake of celerity in evaporation...
Page 571 - ... and combined to form one test sample. If sampled in bins or warehouses one test sample shall represent not more than 200 bbl.
Page 569 - Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours. (a) A pat is then kept in air at normal temperature and observed at intervals for at least 28 days.
Page 549 - D, 1 mm. in diameter, 6 cm. long. The rod is reversible, and can be held in any desired position by a screw E, and has midway between the ends a mark F which moves under a scale (graduated to millimeters) attached to the frame A. The paste is held in a conical, hard-rubber ring G, 7 cm.
Page 568 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment, and in a suitable weather-tight building which will protect the cement from dampness.