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" 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 exceed... "
Bulletin of the U.S. Department of Agriculture - Seite 22
von United States. Department of Agriculture - 1913
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Proceedings of the Annual Convention, Band 5

National Association of Cement Users (U.S.) - 1909 - 768 Seiten
...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 exceed 4 per...
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Engineering and Contracting, Band 32

1909 - 1302 Seiten
...specific gravity of Portland cement to read as follows: "The specific gravity of cement shall not be less than 3.10. Should the test of cement as received fall below these requirements a second test may be made upon a second sample ignited at a low red heat. The loss...
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Dust Preventives and Road Binders

Prévost Hubbard - 1910 - 458 Seiten
...to calcination. SPECIFIC GRAVITY. The specific gravity of the cement, thoroughly dried at 100° C., shall be not less than 3.10. Should the test of cement...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 exceed 4 per...
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Year-book

American Society for Testing Materials - 1910 - 326 Seiten
...been made 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...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 exceed 4 per...
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Bulletin, Ausgabe 4

1913 - 326 Seiten
...Specific gravity. — 3. The specific gravity of the cement shall not be less than 3.10. Should the cement as received fall below this requirement, a second test may be made upon a sample heated for 30 minutes at a very dull red heat. Fineness, — 4. Ninety-two per cent. of the...
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Portland Cement: Its Composition, Raw Materials, Manufacture, Testing and ...

Richard Kidder Meade - 1911 - 568 Seiten
...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 exceed 4 per...
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Manual of the American Railway Engineering Association

American Railway Engineering Association - 1911 - 520 Seiten
...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 exceed 4 per...
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Portland Cement: Its Composition, Raw Materials, Manufacture, Testing and ...

Richard Kidder Meade - 1911 - 566 Seiten
...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 exceed 4 per...
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American Civil Engineers' Pocket Book,

Mansfield Merriman - 1911 - 1404 Seiten
...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...
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Standard Specifications for Structural Steel - Timber - Concrete and ...

John Christian Ostrup - 1911 - 120 Seiten
...Specific Gravity. The specific gravity of cement shall not be less than 3.10. Should the test of the 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 exceed 4 per...
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