 | Geological Survey of New South Wales - 1916 - 1292 sayfa
...A pat is then»kept in air at normal temperature for twenty-eight days, while another pat is placed in an atmosphere of steam above boiling water, in a loosely closed vessel, for five hours. (2) Time of Setting. — This test is made with a Vicat needle apparatus, and is for determining... | |
 | 1900 - 708 sayfa
...inches (4") square, from cement paste of normal consistency. This pat is composed in any convenient way in an atmosphere of steam, above boiling water in a loosely closed vessel for five (5) hours, and at the end of that time shall remain firm and hard, and show no signs of cracking,... | |
 | American Society of Civil Engineers - 1903 - 896 sayfa
...Fahr.) and maintained at this temperature for 24 hours; or (b), a pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel, for 3 hours. 74. —To pass these tests satisfactorily, the pats should remain firm and hard, and show... | |
 | 1903 - 340 sayfa
...After keeping the pat of cement in moist air for twenty-four hours, it is exposed in any convenient way in an atmosphere of steam above boiling water in a loosely closed vessel for three hours. It will be seen that this requires the use of no apparatus, not even a thermometer, except... | |
 | Myron Samuel Falk - 1904 - 202 sayfa
...temperature, and observed at intervals. 73. — Accelerated Test. — A pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel, for three hours. 74. — To pass these tests satisfactorily the pats should remain firm and hard, and show... | |
 | Ohio. Division of Geological Survey - 1904 - 416 sayfa
...F.) and maintained at this temperature for 24 hours; or (b), a pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel, for 3 hours. 74. To pass these tests satisfactorily, the pats should remain firm and hard, and show no... | |
 | 1904 - 430 sayfa
...F.) and maintained at this temperature for 24 hours; or (b), a pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel, for 3 hours. 74. To pass these tests satisfactorily, the pats should remain firm and hard, and show no... | |
 | Myron Samuel Falk - 1904 - 198 sayfa
...and observed at intervals. 73. — Accelerated Test. — A pat is exposed in any convenient way in on atmosphere of steam, above boiling water, in a loosely closed vessel, for three hours. 74. — To pass these tests satisfactorily the pats should remain firm and hard, and show... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - 1905 - 664 sayfa
...temperature, and observed at intervals. 73. Accelerated Test. — A pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel, for 5 hours. 74. To pass these 'tests satisfactorily, the pats should remain firm and hard, and show no signs of... | |
 | W. Purves Taylor - 1905 - 348 sayfa
...of normal consistency, keeping it in moist air for 24 hours, then "exposing it in any convenient way in an atmosphere of steam, above boiling water in a loosely closed vessel, for 3 hours.'' The Steam and Boiling Test. — A combination of the two foregoing methods is employed in... | |
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A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five hours. 
