 | Sidney Paige, Adolph Knopf - Geology - 1907 - 614 pages
...250 Constancy of volume: Pats of neat cement 3 inches in diameter, one-half inch I hick 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 olwerved at intervals for at least 28 days.... | |
 | Hiram Bertrand Andrews - Reinforced concrete construction - 1908 - 68 pages
...OF VOLUME 16. Pats of neat cement about three inches in diameter, one half inch thick at the centre, and tapering to a thin edge, shall be kept in moist...temperature and observed at intervals for at least twenty-eight days. (b) Another pat is kept in water maintained as near 70° F. as practicable, and... | |
 | Ernest McCullough - Municipal engineering - 1908 - 520 pages
...OF VOLUME. 23. Pats of neat cement about three irches in diameter, onehalf inch thick at the centre, and tapering to a thin edge, shall be kept in moist...temperature and observed at intervals for at least twenty-eight days. (b) Another pat is kept in water maintained as near 70° F. as practicable, and... | |
 | Cement - 1908 - 216 pages
...than 10 hours. Pats of neat cement about three inches in diameter, onehalf inch at the centre, arid tapering to a thin edge, shall be kept in moist air...air at normal temperature and observed at intervals. (b) Another put is kept in water maintained as near 70 degrees F. as practicable, and observed at intervals... | |
 | Wilbur Jay Watson - Bridges, Concrete - 1908 - 92 pages
...200-300 Ibs. Constancy of Volume. 23. Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge,...of twenty-four hours. (a) A pat is then kept in air in normal temperature and observed at intervals for at least 28 days. (b) Another is kept in water,... | |
 | Leslie Abram Waterbury - Cement - 1908 - 166 pages
...CONSTANCY OF VOLUME. 25. 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. 26. These pats are observed... | |
 | W. Purves Taylor - Cement - 1908 - 348 pages
...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... | |
 | Ernest McCullough - Municipal engineering - 1908 - 526 pages
...CONSTANCY OF VOLUME. 16. Pats of neat cement about three inches in diameter, onehalf inch thick at center, tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours. i(a) A pat is then kept in air at normal temperature, (b) Another is kept in water maintained as near... | |
 | Geological Survey (U.S.) - Geology - 1908 - 154 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.... | |
 | United States - 1908 - 876 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 2-1 hours. A pat is kept in air at normal temperature and olwerved at intervals for at least 28 days.... | |
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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. 
