 | Richard Lewis Humphrey - Building materials - 1908 - 164 pages
...water) 250 Constancy of volume: Pats of neat cement 3 inches in diameter, one-half inch thick at center, tapering to a thin edge, shall be kept in moist air for a period of 24 hours. A pat is kept in air at normal temperature and observed at intervals for at least 28 days.... | |
 | Edward Godfrey - Concrete - 1908 - 474 pages
...days in water) 200-300 Ibs. 23. Pats of neat cement about three (3) in. in diameter, one-half (%) in. thick at the center, and tapering to a thin edge, shall be kepi in moist air for a period of twenty-four hours. (a) A pat is then kept in air at normal temperature... | |
 | Ira Osborn Baker - Masonry - 1909 - 772 pages
...moist air, 6 days in water) 150-200 Ib. 28 days (1 day in moist air, 27 days in water) 200-300 " 22. Constancy of Volume. Pats of neat cement about three...twenty-four 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... | |
 | Ira Osborn Baker - Masonry - 1909 - 778 pages
...moist air, 6 days in water) 150-200 Ib. 28 days (1 day in moist air, 27 days in water) 200-300 " 22. Constancy of Volume. Pats of neat cement about three...kept in moist air for a period of twenty-four hours. (o) A pat is then kept in air at normal temperature and observed at intervals for at least 28 days.... | |
 | Frederick Eugene Turneaure - Civil engineering - 1909 - 538 pages
...water) 75-150 " 65. 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,...(a) A pat is then kept in air at normal temperature. (b) Another is kept in water maintained as near 70° F. as practicable. These pats are observed at... | |
 | Architecture - 1909 - 560 pages
...water) 75-150 " 65. 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,...(a) A pat is then kept in air at normal temperature. (b) Another is kept in water maintained as near 70° F. as practicable. These pats are observed at... | |
 | National Association of Cement Users (U.S.) - Concrete - 1909 - 768 pages
...OF VOLUME. 15. Pats of neat cement about three inches in diameter, onehalf inch thick at the centre, and tapering to a thin edge, shall be kept in moist...(a) A pat is then kept in air at normal temperature. (&) Another is kept in water maintained as near 70 F. as practicable. 16. These pats arc observed at... | |
 | Ira Osborn Baker - Masonry - 1909 - 798 pages
...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...(a) A pat is then kept in air at normal temperature. (6) Another is kept in water maintained as near 70° F. as practicable. 16. These pats are observed... | |
 | Charles Evan Fowler - Engineering - 1909 - 180 pages
...CONSTANCY OF VOLUME. 24. 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. 25. These pats are observed... | |
 | Eyvind Lee Heindenreich - Reinforced concrete - 1909 - 398 pages
...(16) Constancy of Volume. — Pats of neat cement about 3 ins. in diameter, </2 in. 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. (17) These pats are observed... | |
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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. 
