 | Frank Eugene Kidder - Building - 1909 - 1000 pages
...days, 75-150 Ib.: the exact values to be fixed in each case by the consumer. 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 24 hours. (a) A pat is then kept in air at normal temperature. (&) Another pat is kept in water maintained... | |
 | William A. Radford, Alfred Sidney Johnson - Architecture - 1909 - 470 pages
...strength required. 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 air for a period of 24 hours. One pat shall then be kept in air at normal temperature, and observed at intervals for at... | |
 | Harry Franklin Porter - Cement - 1909 - 298 pages
...in water) t200-300 Ib. Constancy of Volume: — Pats of neat cement about 3 in. in diameter, l/2-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... | |
 | Charles Shattuck Hill - Concrete - 1909 - 200 pages
...in 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 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... | |
 | Charles Shattuck Hill - Concrete - 1909 - 202 pages
...stated. 16. Constancy of Volume. — Pats of neat cement about 3 ins. in diameter, % in. 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. (b) Another is kept in water maintained... | |
 | Frank Eugene Kidder - Building - 1909 - 998 pages
...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. (&) Another pat is kept in water maintained as near 70 degrees Fahr. as practicable. These pats are... | |
 | Prévost Hubbard - Corrosion and anti-corrosives - 1910 - 458 pages
...Ibs. CONSTANCY OF VOLUME. Pats of neat cement about three inches in diameter, one-half inch thick at center, and tapering to a thin edge, shall be kept...(a) A pat is then kept in air at normal temperature. (b) Another is kept in water maintained as hear 70° F. as practicable. These pats are observed at... | |
 | American Society for Testing Materials - Building materials - 1910 - 326 pages
...CONSTANCY OF VOLUME. 15. 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...(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... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - Concrete construction - 1910 - 336 pages
..." 27 " " ) 75 " 11. 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, shall be kept in moist air for a period of 24 hours. (a) 4 pat is then kept in air at normal temperature. (b) Another pat is kept in water maintained... | |
 | International Correspondence Schools - Concrete - 1910 - 734 pages
...than 10 hours. 56. Constancy of Volume. — Pats of neat cement about 3 inches in diameter and -J- inch thick at the center and tapering to a thin edge shall be kept in moist air for a period of 24 hours. A pat is to be kept in air at normal temperature, and observed at intervals for a period... | |
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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. 
