 | United States. Army. Corps of Engineers - 1902 - 892 pages
...being appreciably indented, a wire one twenty-fourth inch in diameter loaded to weigh 1 pound. 66. Tensile strength. — Briquettes made of neat cement...a wet cloth and the balance of the time in water: Briquettes made of one part cement and one part standard sand, by weight, shall develop the following... | |
 | United States - 1902 - 838 pages
...being appreciably indented, a wire one twenty-fourth inch in diameter loaded to weigh 1 pound. 66. Tensile strength. — Briquettes made of neat cement...per square inch, after having been kept in air for twenty-four hours under a wet elm ii and the balance of the time in water: At the end of seven days,.... | |
 | United States - 1901 - 492 pages
...indented, a wire one twenty-fourth inch in diameter loaded to weigh 1 pound. (in. Tenxtlc nl reii</th. —Briquettes made of neat cement shall develop the...per square inch, after having been kept in air for twenty-four hours under a wet cloth and the balance of the time in water: At the end of seven days,... | |
 | American Railway Engineering Association - Railroads - 1903 - 612 pages
...United States engineers' specification : "Briquettes made of neat cement, after being kept in air for 24 hours under a wet cloth and the balance of the time in water, shall develop tensile strength per square inch as follows, etc." Mr. McDonald : — Is the Committee... | |
 | American Railway Engineering Association - Railroad engineering - 1903 - 598 pages
...United States engineers' specification : "Briquettes made of neat cement, after being kept in air for 24 hours under a wet cloth and the balance of the time in water, shall develop tensile strength per square inch as follows, etc." Mr. McDonald: — Is the Committee... | |
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Briquettes made of neat cement shall develop the following tensile strengths per square inch, after having been kept in air for twenty-four hours under a wet cloth and the balance of the time in water: At the end of seven days, 90 pounds; at the end of... 
