 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...  Mineral Resources of the United States - Page 4991912Full view - About this book
 | National Association of Cement Users (U.S.) - Concrete - 1909 - 768 pages
...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 cent. FINENESS.... | |
 | Geology - 1913 - 326 pages
...exceeded : Per cent. Loss on Ignition for 15 minutes 4 Insoluble residue 1 Sulphuric anhydride (SOj) 1.75 Magnesia (MgO) 4 Specific gravity. — 3. The specific...cent. of the cement, by weight, shall pass through the No. 100 sieve, and 75 per cent. shall pass through the No. 200 sieve. Soundness. — 5. Pats of neat... | |
 | American Society for Testing Materials - Building materials - 1910 - 326 pages
...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 exceed 4 per cent. FINENESS.... | |
 | Prévost Hubbard - Corrosion and anti-corrosives - 1910 - 466 pages
...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 exceed 4 per cent. FINENESS.... | |
 | John Christian Ostrup - Civil engineering - 1911 - 120 pages
...301. 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 cent. 302.... | |
 | American Railway Engineering Association - Railroad engineering - 1911 - 520 pages
...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 cent. 20.... | |
 | Richard Kidder Meade - Portland cement - 1911 - 566 pages
...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 cent. Significance.... | |
 | Richard Kidder Meade - Portland cement - 1911 - 568 pages
...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 cent. Significance.... | |
 | Mansfield Merriman - Civil engineering - 1911 - 1404 pages
...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... | |
 | Geological Survey of Georgia - Geology - 1912 - 386 pages
...minutes 4 Insoluble residue 1 Sulphuric anhydride (SO,) 1.75 Magnesia (MgO) 4 Specific gravity.—3. The specific gravity of the cement shall not be less...sample heated for 30 minutes at a very dull red heat. Fineness.—4. Ninety-two per cent, of the cement, by weight, shall pass through the No. 100 sieve,... | |
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