 | Hiram Bertrand Andrews - Reinforced concrete - 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. (6) Another pat is kept in water maintained as near 70° F. as practicable, and... | |
 | Stephen Elmer Slocum, Edward Lee Hancock - Strength of materials - 1906 - 348 pages
...1901. Constancy of volume. Pats of neat cement about 3 in. in diameter, J in. thick at the 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. These pats are observed at... | |
 | Stephen Elmer Slocum, Edward Lee Hancock - Strength of materials - 1906 - 348 pages
...Constancy of volume. Pats of neat cement about 3 in. in diameter, J in. thick at the center, taperiug to a thin edge, shall be kept in moist air for a period...(a) A pat is then kept in air at normal temperature. (6) Another is kept in water maintained as near 70° F. as practicable. These pats are observed at... | |
 | Frederick Putnam Spalding - Cement - 1906 - 346 pages
...CONSTANCY OF VOLUME. 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 air for a period of twentyfour hours. A pat is then kept in air at normal temperature and observed at intervals for at least 28 davs. Another... | |
 | Rolla C. Carpenter - Building materials - 1906 - 908 pages
...Constancy oj Volume. — Pats of neat cement about three inches in diameter, one-half inch thick at centre, tapering to a thin edge, shall be kept in moist air for a period of twenty-fours hours. (a) A pat is then kept in air at normal temperature. (6) Another is kept in water... | |
 | Louis Carlton Sabin - Cement - 1907 - 596 pages
...CONSTANCY OF VOLUME 16. Pats of neat cement about three inches in diameter, one-half inch thick at centre, 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. 17. These pats are observed... | |
 | American Society of Civil Engineers - Civil engineering - 1907 - 1160 pages
...in water) 200 to 300 " Constancy of Volume. — Pats of neat cement about 3 in. in diameter, i 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... | |
 | Louis F. Brayton - Reinforced cement - 1907 - 146 pages
...CONSTANCY OF VOLUME. 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 air for a period of twenty-four hours. (a) A patis then kept in air at normal temperature and observed at intervals for at least 28 days. (6) Another... | |
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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. 
