 | Milo Smith Ketchum - Bridges, Iron and steel - 1914 - 956 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... | |
 | National Lime Manufacturers' Association - Lime - 1914 - 1172 pages
...of a sound Portland Cement, and the hydrated lime to be tested about 3 inches in diameter by '•/% inch thick at the center and tapering to a thin edge,...kept in moist air for a period of twentyfour hours. In moulding this pat only sufficient water shall be used to render the material workable, since hydrated... | |
 | Charles Evan Fowler - Bridges - 1914 - 982 pages
..." 27 " ) 275 " 22. CONSTANCY OF VOLUME. — Pals of neat cement about 3 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. (o) A pat is then kept in air at normal temperature and observed at intervals for at least twenty-eight... | |
 | Ira Osborn Baker - Masonry - 1914 - 910 pages
...cement about three inches in diameter, one half inch thick at center, tapering to a thin edge, shail be kept in moist air for a period of twenty-four hours....(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... | |
 | Milo Smith Ketchum - Building, Iron and steel - 1914 - 926 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 for a period of twenty-four lours. (a) A pat is then kept in air at normal temperature. (6) Another is kept in water maintained... | |
 | Adelbert Philo Mills - Building materials - 1915 - 718 pages
...United States to 1.75 per cent. 128. Specification. " Pats of neat cement about 3 inches in diameter, J inch thick at the center, and tapering to a thin edge,...twenty-four hours. " (a) A pat is then kept in air at a normal temperature and observed at intervals for at least twenty-eight days. " (6) Another pat is... | |
 | Malverd Abijah Howe - Masonry - 1915 - 188 pages
...in water) 275 " Constancy of Volume 22. 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. (a) A pat is then kept in air at normal temperature and observed at intervals for at least... | |
 | Frank Eugene Kidder - Architecture - 1915 - 1918 pages
...Reinforced-Concrete Construction 913 «STANCV OF VOLUME. Pats of neat cement about 3 in in diameter, H in at the center, and tapering to a thin edge, shall be kept in moist air for a I of 34 hours. Л pat U then kept in air at normal temperature and observed at intervals least ¿8... | |
 | Frank Eugene Kidder - Architecture - 1915 - 1856 pages
...275 Ib |>er sq in CONSTANCY OF VOLCME. Pats of neat cement about 3 in in diameter, Ч in £ thickness at the center, and tapering to a thin edge, shall be kept in moist лг for a period of 24 hours. ill A pat is then kept in air at normal temperature and observed at... | |
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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. 
