 | Illinois State Geological Survey - 1912 - 172 Seiten
...moist air 175 lbs. per sq. inch 7 days (1 day in moist air, 6 days in water) 500 Ibs. per sq. inch 28 days (1 day in moist air, 27 days in water) 600 Ibs. per sq. inch For a mortar consisting of one part by weight of cement and three parts of Ottawa... | |
 | Hiram Bertrand Andrews - 1908 - 68 Seiten
...water) 450-550 " 28 days (1 day in moist air, 27 days in water) 550-650 " ONE PART CEMENT, THREE PARTS SAND 7 days (1 day in moist air, 6 days in water) 150-200 " 28 days (1 day in moist air, 27 days in water) 200-300 " 1 For example the minimum requirements... | |
 | Louis Carlton Sabin - 1907 - 598 Seiten
...6 days in water) . . . 100 — 200 " 28 days (1 day in moist air, 27 days in water) . . 200—300 " One Part Cement, Three Parts standard Sand 7 days (1 day in moist air, 6 days in water) . . . 25 — 75 Ibs. 28 days (1 day in moist air, 27 days in water) . . 75 — 150 " CONSTANCY OF VOLUME... | |
 | American Railway Engineering and Maintenance-of-Way Association - 1907 - 308 Seiten
...moist air, 6 days in water) 100-200 Ibs 28 days (1 day in moist air, 27 days in water) 200-300 Ibs. One Part Cement, three Parts Standard Sand. 7 days (1 day in moist air, 6 days in water) 25- 75 Ibs. 28 days (1 day in moist air, 27 days in water) 75-150 Ibs. 16. Pats of neat cement about... | |
 | American Society of Civil Engineers - 1907 - 956 Seiten
...to 550 " 28 days (1 day in rnnist air, 27 days in water) 550 to 650 " One part cement, three parts sand: 7 days (1 day in moist air, 6 days in water) 150 to 200 Ib. 28 days (1 day in moist air, 27 days in water) 200 to 300 " Constancy of Volume. —... | |
 | American School (Lansing, Ill.) - 1907 - 438 Seiten
...water) 450-650 " 28 clays (1 day in moist air, 27 days iu water) 550-650 " ONE PABT CEMENT, THREE PARTS SAND 7 days (1 day in moist air, 6 days in water) 150-200 " 28 days (1 day in moist air, 27 days in water) 200-800 " Constancy of Volume. The object... | |
 | Louis F. Brayton - 1907 - 146 Seiten
...water) 450-550 " 28 days (1 day in moist air, 27 days in water) 550-650 " One Part Cement, Three Parts Sand. 7 days (1 day in moist air, 6 days in water) 150-200 * 28 days (1 day in moist air, 27 days in water) 200-300 " CONSTANCY OF VOLUME. Pats of neat... | |
 | 1908 - 876 Seiten
...gravity, not less than 3.10. Fineness, residue not more than 8 per cent on No. 100 nor 25 per eentTm No. 200 sieve. Time of setting: Initial set, not less...parts standard sand — 7 days ( 1 day in moist air, ti days in water) 175 28 days ( 1 day in moist air, 27 days in water) 250 Constancy of volume: Pats... | |
 | Edward Godfrey - 1908 - 474 Seiten
...moist air, 6 days in water) 450-550 Ibs. 28 days (1 day in moist air, 27 days in water) 550-650 Ibs. One Part Cement, Three Parts Standard Sand. 7 days (1 day in moist air, 6 days in water) 150-200 Ibs. 28 days (i day in moist air, 27 days in water) 200-300 Ibs. 23. Pats of neat cement about... | |
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Sand. 7 days (1 day in moist air, 6 days in water) 200 Ibs. 
