 | Henry Kreitzer Benson - Chemistry, Technical - 1913 - 460 pages
...CONSTANCY OF VOLUME 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. 16. These pats are observed at intervals for at least 28 days, and, to satisfactorily pass the tests,... | |
 | Ernest Robert Graham - Office buildings - 1913 - 306 pages
...before rejection. 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,...moist air for a period of twenty-four hours. (a) A pat shall then be kept in air at normal temperature and observed at intervals for at least twenty-eight... | |
 | Rolla Clinton Carpenter, Herman Diederichs - Building materials - 1913 - 1352 pages
...200-300 " '() 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,...kept in moist air for a period of twenty-four hours. 1. A pat is then kept in air at normal temperature and observed at intervals for at least 28 days.... | |
 | Albert Irvin Frye - Civil engineering - 1913 - 1698 pages
...water) 200-300 " (23) Constancy of Volume. — Pats of neat cement about 3 ins. in diameter, J-in. 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 KTnperature and observed at intervals for at least... | |
 | George A. Hool - Bridges - 1913 - 728 pages
...27 days in water) 275 Ib. CONSTANCY OF VOLUME 22. Pats of neat cement about 3 in. in diameter, i in. 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 and observed at intervals for at least... | |
 | Jerome Cochran - Concrete construction - 1913 - 344 pages
...Volume or Soundness. — Circular pats of neat cement paste, three (3) inches in diameter, one-half (J) inch thick at the center and tapering to a thin edge, shall be kept in moist air for twenty-four (24) hours. (a) A pat shall be kept in air at normal temperature for twenty-eight (28)... | |
 | Albert Irvin Frye - Civil engineering - 1913 - 1694 pages
...water) 200-300 " (23) Constancy of Volume. — Pats of neat cement about 3 ins. in diameter, }-in. thick at the center, and tapering to a thin edge, shall be kept in soist air for a period of 24 hours, (a) A pat is then kept in air at normal temperature and obseryed... | |
 | Building materials - 1913 - 420 pages
...steam. These tests shall be made in the following manner: Pats about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be made on clean glass plates (about four inches square) from cement paste of normal consistency, and... | |
 | William Kendrick Hatt, Herbert Henry Scofield - Building materials - 1913 - 156 pages
...in steam. These tests shall be made in the following manner: Pats about 3 in. in diameter, 1/2 in. thick at the center, and tapering to a thin edge, shall be made on clean glass plates (about 4 in. square) from cement paste of normal consistency, and stored... | |
 | Charles Evan Fowler - Bridges - 1914 - 984 pages
..." 27 " ) 275 " 22. CONSTANCY OF VOLUME. — Pats of neat cement about 3 inches in diameter one-half inch thick at the center, and tapering to a thin edge,...temperature and observed at intervals for at least twenty-eight days. (l>) Another pat is kept in water maintained as near 70° F. as practicable, and... | |
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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. 
