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Books Books 71 - 80 of 157 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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Street pavements and paving materials: A manual of city pavements: the ...

George William Tillson - Pavements - 1912 - 651 pages
...made in steam. These tests shall be made in the following manner: ' Pats about 3 inches in diameter, 5 inch thick at the center, and tapering to a thin edge, shall be made on clean glass plates about 4 inches square, from cement paste of normal consistency, and stored...
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Industrial Chemistry, for Engineering Students

Henry Kreitzer Benson - Chemistry, Technical - 1913 - 431 pages
...CONSTANCY OF VOLUME 15. 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. 16. These pats are observed at intervals for at least 28 days, and, to satisfactorily pass the tests,...
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Specifications for the Equitable Building: Broadway and Nassau Streets ...

Ernest Robert Graham - Office buildings - 1913 - 302 pages
...before rejection. 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,...moist air for a period of twenty-four hours. (a) A pat shall then be kept in air at normal temperature and observed at intervals for at least twenty-eight...
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Experimental Engineering and Manual for Testing

Rolla Clinton Carpenter, Herman Diederichs - Building materials - 1913 - 1154 pages
...200-300 " '() 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,...kept in moist air for a period of twenty-four hours. 1. A pat is then kept in air at normal temperature and observed at intervals for at least 28 days....
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Reinforced concrete construction ...: prepared in the Extension Division of ...

George A. Hool - Concrete construction - 1913
...27 days in water) 275 Ib. CONSTANCY OF VOLUME 22. 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 least...
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General Specifications for Concrete and Reinforced Concrete: Including ...

Jerome Cochran - Concrete construction - 1913 - 274 pages
...Volume or Soundness. — Circular pats of neat cement paste, three (3) inches in diameter, one-half (J) inch thick at the center and tapering to a thin edge, shall be kept in moist air for twenty-four (24) hours. (a) A pat shall be kept in air at normal temperature for twenty-eight (28)...
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Civil Engineers' Pocket Book: A Reference-book for Engineers, Contractors ...

Albert Irvin Frye - Civil engineering - 1913 - 1611 pages
...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 soist air for a period of 24 hours, (a) A pat is then kept in air at normal temperature and obseryed...
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Year-book

American Society for Testing and Materials - Building materials - 1913
...steam. These tests shall be made in the following manner: Pats about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be made on clean glass plates (about four inches square) from cement paste of normal consistency, and...
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Laboratory Manual of Testing Materials

William Kendrick Hatt, Herbert Henry Scofield - Building materials - 1913 - 135 pages
...in steam. These tests shall be made in the following manner: Pats about 3 in. in diameter, 1/2 in. thick at the center, and tapering to a thin edge, shall be made on clean glass plates (about 4 in. square) from cement paste of normal consistency, and stored...
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A practical treatise on sub-aqueous foundations: including The coffer-dam ...

Charles Evan Fowler - Bridges - 1914 - 814 pages
..." 27 " ) 275 " 22. 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,...temperature and observed at intervals for at least twenty-eight days. (l>) Another pat is kept in water maintained as near 70 F. as practicable, and...
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