 | United States. War Department - 1902 - 968 pages
...the option of the engineer officer in charge. fit. Time of setting—Slou'-settinç, eenu'nt.—The cement shall not acquire its initial set in less than forty-five minutes and must have acquired its final set in ten hours. Quick-setting cement .—The cement shall not acquire... | |
 | 1904 - 868 pages
...hours. If the pat softens, cracks, or disintegrates, the cement is unsound. 11. Time of netting. — The cement shall not acquire its initial set in less than fortyfive minutes, and must acquire its final set within twelve hours. The pats made to test the soundness may be used to... | |
 | United States. Army. Corps of Engineers - Military engineering - 1901 - 48 pages
...the cement, as determined from a sample which has been carefully dried, shall be between 2.7 and 2.8. (10) Time of setting. — The cement shall not acquire its initial set in less than forty -live minutes and shall acquire its final set in ten hours. The pats made to test the soundness... | |
 | United States. Army. Corps of Engineers - Engineering - 1902 - 892 pages
...pass through a sieve made of No. 40 wire, Stubbs's gauge, having 10,000 openings per square inch. 64. Time, of setting. — The cement shall not acquire its initial set in less than twenty minutes, and must have acquired its final set in four hours. 65. The time of setting is to be... | |
 | United States. War Department - 1902 - 890 pages
...pass through a sieve made of No. 40 wire, Stubbs's gauge, having 10,000 openings per square inch. 64. Time of setting. — The cement shall not acquire its initial set in less -than twenty minutes, and must have acquired its final set in four hours. 65. The time of setting is to be... | |
 | Charles Carroll Brown - Cement - 1902 - 764 pages
...are to be kept under wet cloths until finally set, when they are to be placed in fresh water. They should not show distortion or cracks at the end of twenty-eight days. (10) The cement shall not acquire its initial set in less than forty-five minutes and shall acquire its... | |
 | Benjamin Franklin Thomas, David Alexander Watt - Rivers - 1903 - 554 pages
...pass through a sieve made of No. 40 wire, Stubb's gauge, having 10,000 openings per square inch. 8. Time of Setting. — The cement shall not acquire its initial set in less than twenty minutes and must have acquired its final set in four hours. 9. The time of setting is to be... | |
 | Geological Survey (U.S.) - 1904 - 1190 pages
...boiling point for six hours. If the pat softens, cracks, or disintegrates, the cement is unsound. 11. Time of setting. — The cement shall not acquire...its initial set in less than fortyfive minutes, and must acquire its final set within twelve hours. The pats made to test the soundness may be used to... | |
 | L. J. Mensch - Concrete - 1904 - 230 pages
...cracks. The boiling test may or may not reject at the option of the engineer or officer in charge. TIME OF SETTING — The cement shall not acquire its initial set in less than forty-five minutes' and must have acquired its final set in ten hours. (The following paragraph will be substituted for the... | |
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The cement shall not acquire its initial set in less than forty-five minutes and shall acquire its final set in ten hours. The pats made to test the soundness may be used in determining the time of setting. The cement is considered to have acquired its... 
