By a Portland cement is meant the product obtained from the heating or calcining up to incipient fusion of intimate mixtures, either natural or artificial, of argillaceous with calcareous substances, the calcined product to contain at least 1.7 times... Bulletin of the United States Geological Survey - Page 22by Geological Survey (U.S.) - 1905Full view - About this book
| United States. Army. Corps of Engineers - Military engineering - 1901 - 48 pages
...FOR AMERICAN PORTLAND CEMENT. (1) The cement shall be an American Portland, dry and free from lumps. By a Portland cement is meant the product obtained...incipient fusion of intimate mixtures, either natural or artifical, of argillaceous with calcareous substances, the calcined product to contain at least 1.7... | |
| Cement - 1903 - 534 pages
...nearest approach to an official government definition of the material that we have in this country : "By a Portland cement is meant the product obtained...heating or calcining up to incipient fusion of intimate mixture;-, either natural or artificial, of argillaceous with calcareous substances, the calcined product... | |
| United States - 1904 - 1040 pages
...important because of the large amount of cement which is accepted annually under the specifications" in which it occurs, and is of interest as being the...natural or artificial, of argillaceous with calcareous sul>stanceg, the calcined product to contain at least 1.7 times as much of lime, by weight, as of the... | |
| L. J. Mensch - Concrete - 1904 - 230 pages
...CEMENT. US ARMY CORPS OF ENGINEERS. The cement shall be an American Portland, dry and free from lumps. By a Portland cement is meant the product obtained...argillaceous with calcareous substances; the calcined product should contain at least 1.7 times as much lime, by weight, as of the materials which give the lime... | |
| John Butler Johnson - Engineering - 1904 - 598 pages
...FOR AMERICAN PORTLAND CEMENT. (1) The cement shall be an American Portland, drv and free from lumps. By a Portland cement is meant the product obtained from the heating or calcining up to incipient i fusion of intimate mixtures, either natural or artificial, of argillaceous with calcareous substances,... | |
| Charles Carroll Brown - Cement - 1905 - 384 pages
...Riche, of the Corps of Engineers, United States Army. The report says: Portland cements are products obtained from the heating or calcining up to incipient...calcined product to contain at least 1.7 times as much lime by weight as of the materials which give the lime its hydraulic properties, and to be finely pulverized... | |
| Edwin Clarence Eckel - Cement - 1905 - 796 pages
...being the nearest approach to an official definition of the material that we have in this country: "By a Portland cement is meant the product obtained...calcining up to incipient fusion of intimate mixtures, cither natural or artificial, of argillaceous with calcareous substances, the calcined product to contain... | |
| Edwin Clarence Eckel - Cement - 1905 - 802 pages
...of intimate mixtures, c-ither natural or artificial, or argillaceous with calcareous substances, ihe calcined product to contain at least 1.7 times as much of lime, by v.-cight, as of the materials which give the lime its hydraulic propertics, and to be finely pulverized... | |
| W. Purves Taylor - Cement - 1905 - 348 pages
...for American Portland Cement. (1) The cement shall be an American Portland, dry, and free from lumps. By a Portland cement is meant the product obtained from the heating or cakining up to incipient fusion of intimate mixtures, either natural or artificial, of argillaceous... | |
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