 Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours.  Proceedings of the Annual Meeting - Sayfa 281American Society for Engineering Education, Society for the Promotion of Engineering Education (U.S.) tarafından - 1906Tam görünüm - Bu kitap hakkında
 | American Railway Engineering Association - 1917 - 1772 sayfa
...(1 day in moist air, 27 days in water) . . . .250 Ibs. One Part Cement, Three Parts Standard Ottawa Sand. 7 days (1 day in moist air, 6 days in water) .... 50 Ibs. 28 days (1 day in moist air, 27 days in water) . . . .125 Ibs. (ll) PACKAGES, MARKING... | |
 | 1918 - 992 sayfa
...air, 6 days in water) 150 " 28days(l " " "27 " " ) 250" One Part Cement, Three Parts Standard Ottawa Sand. 7 days (1 day in moist air, 6 days in water) 50 Ib. 28 days (1 27 " " ) 125 " II. PACKAGES. MARKING AND STORAGE. 6. The cement shall be delivered... | |
 | 1919 - 476 sayfa
...mortar. The test for the same shall be as follows: One part cement, 3 parts standard sand Strength 7 days (1 day in moist air, 6 days in water) 175 Ibs. 28 days (1 day in moist air, 27 days in water"). . . . 300 Ibs. SEC 29. Mortar for plastering shall be made as follows or equally well: The mortar shall... | |
 | Arthur Horace Blanchard - 1919 - 1710 sayfa
...Ib 28 days, 1 day in moist air, 27 days in water 250 Ib One Part Cement, Three Parte Standard Ottawa Sand 7 days, 1 day in moist air, 6 days in water 50 Ib 28 days, 1 day in moist air, 27 days in water 125 Ib "6. Packages, Marking and Storage. The cement... | |
 | 1920 - 518 sayfa
...days (1 day in moist air, 27 days in water) 600 Ib. * One Part Cement, Three Parts Standard Ottawa Sand 7 days (1 day in moist air, 6 days in water) 200 Ib. 28 days (1 day in moist air, 27 days in water) .275 Ib. CONSTANCY OF VOLUME 22. Pats of neat... | |
 | William Henry Warren - 1921 - 530 sayfa
...B ^ 7^— . — , _ ., Breaking strength at 7 days. One part by weight of Cement to Three parts of Standard Sand. 7 days (1 day in moist air, 6 days in water) . = 200 Ib. per sq. in. Breaking strength at 28 days shall equal Breaking strength at 7 days + - 10,000... | |
 | Donald Macy Liddell - 1922 - 504 sayfa
...500 28 days (1 day in moist air, 27 days in water) 600 ONE PART CEMENT, THREE PARTS STANDARD OTTAWA SAND 7 days (1 day in moist air, 6 days in water) 200 28 days ( 1 day in moist air, 27 days in water) 300 Constancy of Volume 22. Pats of neat cement... | |
 | Wilson Gardner Harger - 1924 - 672 sayfa
...days (1 day in moist air, 27 days in water) . 600 600 ONE PART CEMENT — THREE PARTS STANDARD OTTAWA SAND 7 days (1 day in moist air, 6 days in water) . . 28 days (1 day in moist air, 27 days in water) . 200 275 Fifth: Constancy of Volume. — Pats of... | |
 | 1921 - 910 sayfa
...days (1 day in moist air, 27 days in water) 600 Ib. One Part Cement — Three Parts Standard Ottawa Sand 7 days (1 day in moist air. 6 days in water) 200 Ib. 28 days (1 day in moist air. 27 days in water) 275 Ib. Constancy of Volume. Pats of neat cement... | |
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