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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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American Civil Engineers' Pocket Book,

Mansfield Merriman - 1911 - 1404 стор.
...CONSTANCY OF VOLUME. Pats of neat cement about three inches in diameter, e-half inch thick at center, tapering to a thin edge, shall be kept in moist air for a nod of twenty-four hours, (a) A pat is then kept in air at normal temperature. ) Another is kept in...
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A Manual of Cement Testing: For the Use of Engineers and Chemists in ...

William Allyn Richards, Henry Briggs North - 1912 - 196 стор.
...CONSTANCY 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° F. as practicable, and observed at intervals for at least...
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Annual Report, Том 3

Association for Standardizing Paving Specifications - 1912 - 180 стор.
...CONSTANCY 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 degrees Fahr. as practicable, and observed at intervals...
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Annual Report, Том 3

Association for Standardizing Paving Specifications - 1912 - 180 стор.
...CONSTANCY 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...temperature and observed at intervals for at least 28 days. (£>) Another pat is kept in water maintained as near 70 degrees Fahr. as practicable, and observed...
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Laboratory Notes on the Strength of Materials

Morton Owen Withey - 1912 - 94 стор.
...OK VOLI.ME. 15. 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° F. as practicable. 16. These pats are observed...
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American Civil Engineers' Pocket Book

Mansfield Merriman - 1912 - 1506 стор.
...diameter one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist ail for a period of twenty-four hours, (a) A pat is then...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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A Text-book on Roads and Pavements

Frederick Putnam Spalding - 1912 - 434 стор.
...inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of 24 hours. " (a) A pat is then kept in air at normal temperature...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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Street Pavements and Paving Materials: A Manual of City Pavements: the ...

George William Tillson - 1912 - 700 стор.
...inch thick at the center, and tapering to a thin «dge, shall be kept in moist air for a period of 24 hours. (a) A pat is then kept in air at normal temperature and observed at intervals for at least 28 days. (6) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals...
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Handbook for Highway Engineers: Containing Information Ordinarily Used in ...

Wilson Gardner Harger, Edmund Arnold Bonney - 1912 - 534 стор.
...seven-day tests. Constancy of Volume. Pats of neat cement about 3"X 4" in size, |" thick at the center, and tapering to a thin edge; shall be kept in moist air for a period of twenty.four hours. Normal Tests: Air test. One of these pats is then kept in the air at normal temperature for twenty.eight...
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Ordinances of the City of Pasadena, California ...

Pasadena (Calif.), Pasadena, Cal - 1912 - 422 стор.
...VOLUME— Pats of neat cement about three (3) 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 (24) hours. (a) A pat is then kept in air at normal temperature, and observed at intervals for at least...
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