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Books Books 31 - 40 of 159 on Pats of neat cement about three inches in diameter, one half inch thick at the center,....
" 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. "
Cements, limes, and plasters: their materials, manufacture, and properties - Page 631
by Edwin Clarence Eckel - 1905 - 712 pages
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Engineering Work in Towns and Cities

Ernest McCullough - Municipal engineering - 1908 - 502 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...
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Briefs on Portland Cement and Concrete

Cement - 1908 - 191 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...
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General Specifications for Concrete Bridges

Wilbur Jay Watson - Bridges, Concrete - 1908 - 82 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,...
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Cement laboratory manual: a manual of instructions for the use of students ...

Leslie Abram Waterbury - Cement - 1908 - 122 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...
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Practical Cement Testing

W. Purves Taylor - Cement - 1908 - 320 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...
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Engineering Work in Towns and Cities

Ernest McCullough - Municipal engineering - 1908 - 502 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...
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Bulletin - United States Geological Survey, Issue 329

Geological Survey (U.S.) - Geology - 1908
...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....
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United States Congressional Serial Set

United States - 1908
...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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Organization, Equipment and Operation of the Structural-materials Testing ...

Richard Lewis Humphrey - Building materials - 1908 - 84 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....
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Concrete

Edward Godfrey - Concrete - 1908 - 448 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...
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