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" 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. "
Popular Hand Book for Cement and Concrete Users: A Comprehensive and Popular ... - Сторінка 25
автори: Myron Henry Lewis, Albert Hotchkiss Chandler - 1911 - 430 стор.
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A Hand-book for Cement Users

Charles Carroll Brown - 1905 - 369 стор.
...Ibs. 28 days(l day in moist air, 27 days in water) 200-300 Ibs. 23. Constancy of Volume. — Pats of cement about three inches in diameter, one-half inch...temperature and observed at intervals for at least 28 days.(b) Another pat is kept in water maintained as near 70 degrees F. as practicable, and observed...
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A Treatise on Concrete, Plain and Reinforced: Materials, Construction, and ...

Frederick Winslow Taylor, Sanford Eleazer Thompson, René Feret, Spencer Baird Newberry - 1905 - 585 стор.
...of Volume.* 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...observed at intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70° Fahr. as practicable, and observed at intervals for at...
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Cements, Limes, and Plasters: Their Materials, Manufacture, and Properties

Edwin Clarence Eckel - 1905 - 712 стор.
...neat cement about three inches in diameter, one half inch thick at the center, and tapering to a tiiin edge, shall be kept in moist air for a period of twenty-four...observed at intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals for at least...
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Report of the Bureau of Mines, Том 14

Ontario. Bureau of Mines - 1905
...moist air and 6 days in water 150 to 200 Ib. 24 hours in moist air and 27 days in water 200 to 300 Ib. Constancy of Volume. Pats of neat cement about three...tapering to a thin edge shall be kept in moist air for i\ period of twenty-four hours. (a) A pat is then kept in air at normal temperature and observed at...
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Report of the Bureau of Mines, Том 14

Ontario. Bureau of Mines - 1905
...moist air and 6 days in water 160 to 200 Ib. 24 hours in moist air and 27 days in water 200 to 300 Ib. Constancy of Volume. Pats of neat cement about three...tapering to a thin edge shall be kept in moist air for я period of twenty-four hours. (a) A pat is then kept in air at normal temperature and observed at...
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Report of the Bureau of Mines, Том 14

Ontario. Bureau of Mines - 1905
...moist air and 6 days in water 150 to 200 lb. 24 hours in moist air and 27 days in water 200 to 300 lb. Constancy of Volume. Pats of neat cement about three...tapering to a thin edge shall be kept in moist air for i\ period of twenty-four hours. (a) A pat is then kept in air at normal temperature and observed at...
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Practical Cement Testing

W. Purves Taylor - 1905 - 320 стор.
...Volume. 16. — Pats of neat cement about three inches in diameter, one-half inch thick at center, tapering to a thin edge, shall be kept in moist air...(a) A pat is then kept in air at normal temperature. (b) Another is kept in water maintained as near 70° Fahr. as practicable. 17. — These pats are observed...
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Ordinary Foundations: Including The Coffer-dam Process for Piers

Charles Evan Fowler - 1905 - 314 стор.
...CONSTANCY OF VOLUME. — Pats of neat cement about 3 inches in diameter, one-half inch thick at center, tapering to a thin edge, shall be kept in moist air...(a) A pat is then kept in air at normal temperature. (ft) Another is kept in water maintained as near 70° F. as practicable. 17. These pats are observed...
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Cements, Limes, and Plasters: Their Materials, Manufacture, and Properties

Edwin Clarence Eckel - 1905 - 712 стор.
...16. Constancy of volume. — Pats of neat cement about 3 inches in diameter, i inch thick at center, tapering to a thin edge, shall be kept in moist air...(a) A pat is then kept in air at normal temperature. (6) Another is kept in water maintained as near 70° F. as practicable. 17. These pats are observed...
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Cements, Limes, and Plasters: Their Materials, Manufacture, and Properties

Edwin Clarence Eckel - 1905 - 712 стор.
...volume. — 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...twenty-four hours. (a) A pat is then kept in air at normal tamperature and observed at intervals for at least 28 days. (b) Another pat is kept in water maintained...
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