 | United States. Bureau of Mines - 1919 - 1164 стор.
...PROPERTIES. Specific gravity. — 3. The specific gravity of cement shall he not less than 3.10 (3.07 for white Portland cement). Should the test of cement as received fall Mow this requirement a second test may be made upon an Ignited sample. The specific-gravity test will... | |
 | National Association of Cement Users (U.S.) - 1909 - 768 стор.
...SPECIFIC GRAVITY. 18. The specific gravity of the cement shall be not less than 3.10. Should the tests of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not... | |
 | Prévost Hubbard - 1910 - 440 стор.
...GRAVITY. The specific gravity of the cement, thoroughly dried at 100° C., shall be not less than 3.10. Should the test of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not... | |
 | American Society for Testing Materials - 1910 - 326 стор.
...subsequent to calcination. SPECIFIC GRAVITY. 18. The specific gravity of cement shall not be less than 3.10. Should the test of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not... | |
 | Mansfield Merriman - 1911 - 1404 стор.
...calcination. 18. SPECIFIC GRAVITY. The specific gravity of cement shall not be less than 3.10. lould the test of cement as received fall below this requirement, a second test may be ide upon a sample ignited at a tow red heat The loss in weight of the ignited cement •11 not exceed... | |
 | American Railway Engineering Association - 1911 - 520 стор.
...subsequent to calcination. 19. The specific gravity of cement shall not be less than 3.10. Should the tests of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not... | |
 | Richard Kidder Meade - 1911 - 566 стор.
...shall be not less than 3.10. Should the test Fig. II2.— I,e Chatelier,s specific gravity apparatus. of cement as received fall below this requirement a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not... | |
 | Richard Kidder Meade - 1911 - 568 стор.
...shall be not less than 3.10. Should the test Fig. 1n.— Le Chatelier.s specific gravity apparatus. of cement as received fall below this requirement a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not... | |
 | Morton Owen Withey - 1912 - 94 стор.
...subsequent to calcination. SPECIFIC GRAVITY. 18. The specific gravity of cement shall not be less than 3.10. Should the test of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not... | |
 | Association for Standardizing Paving Specifications - 1912 - 180 стор.
...subsequent to calcination. SPECIFIC GRAVITY. The specific gravity of cement shall not be less than 3.10. Should the test of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not... | |
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The specific gravity of cement shall be not less than 3.10 (3.07 for white portland cement). Should the test of cement as received fall below this requirement, a second test may be made upon an ignited sample. 
