 | Richard Kidder Meade - 1911 - 566 стор.
...Specification. — 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° F. as practicable, and observed at intervals... | |
 | John Pascal Brooks - 1911 - 246 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. (6) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals... | |
 | Milo Smith Ketchum - 1911 - 598 стор.
...inches in diameter, one-half inch thick at the center, and tapering to a thin edge, are made and are kept in moist air for a period of twenty-four hours....(a) A pat is then kept in air at normal temperature (70° to 80° F.), and observed at intervals for at least twenty-eight days. (b) Another pat is kept... | |
 | Rolla Clinton Carpenter, Herman Diederichs - 1911 - 1176 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 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.... | |
 | ROLLA C. CARPENTER - 1906 - 1274 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 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.... | |
 | Rolla Clinton Carpenter, Herman Diederichs - 1911 - 1170 стор.
...Constancy of Volume. — 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 for a period of twenty-four hours. * For example, the minimum requirement for the twenty-four-hour neat-cement test should be some specified... | |
 | Urban T. Holmes (Jr.) - 1911 - 322 стор.
...75-150 Constancy of Volume. — Pats of neat cement about 3 inches in diameter, % inch thick at center, 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... | |
 | American Railway Engineering Association - 1911 - 520 стор.
...Constancy of Volume. 16. Pats of neat cement about three (3) in. in diameter, one-half in. thick at center, 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 of normal 'temperature. (b) Another is kept in water... | |
 | Pennsylvania. Topographic and Geological Survey Commission - 1911 - 134 стор.
...constant in volume after successfully undergoing the following tests: Three pats are made of which one is kept in air at normal temperature and observed at intervals for at least twenty-eight days; the second is kept in water at as near 70° P. as practicable and observed at intervals... | |
 | 1911 - 142 стор.
...constant in volume after successfully undergoing the following tests: Three pats are made of which one is kept in air at normal temperature and observed at intervals for at least twenty-eight days; the second is kept in water at as near 70° F. as practicable and observed at intervals... | |
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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. 
