 | Ohio. Division of Geological Survey - Geology - 1904 - 416 pages
...the air during the test, the percentage of water used, and the amount of molding the paste receives. STANDARD SAND. 45. The committee recognizes the grave...percentage of voids, the difficulty of compacting in the molds, and its lack of uniformity; it has spent much time in investigating the various natural sands... | |
 | Albert Bleininger, Geological Survey of Ohio - Cement - 1904 - 418 pages
...the air during the test, the percentage of water used, and the amount of molding the paste receives. STANDARD SAND. 45. The committee recognizes the grave...percentage of voids, the difficulty of compacting in the molds, and its lack of uniformity ; it has spent much time in investigating the various natural sands... | |
 | W. Purves Taylor - Cement - 1905 - 348 pages
...the air during the test, the percentage of water used, and the amount of moulding the paste receives. Standard Sand. 45.— The Committee recognizes the...which appeared to be available and suitable for use. -j6. — For the present, the Committee recommends the natural sand from Ottawa, 111., screened to... | |
 | Portland Cement Association - Cement - 1905 - 44 pages
...the percentage of water used, and the amount of moulding the paste receives. STANDARD SAND. 45.—The Committee recognizes the grave objections to the standard...which appeared to be available and suitable for use. 46.—For the present, the Committee recommends the natural sand from Ottawa, 111., screened to pass... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - Concrete - 1905 - 664 pages
...needles, described on page 89 and there compared with the Vicat apparatus, were formerly the US standard. Standard Sand. 45. The Committee recognizes the grave...percentage of voids, the difficulty of compacting in the molds, and its lack of uniformity; it has spent much time in investigating the various natural sands... | |
 | Charles Carroll Brown - Cement - 1905 - 440 pages
...and end of the setting by the penetration of weighted wires of given diameters. Standard Sand. — The Committee recognizes the grave objections to the...percentage of voids, the difficulty of compacting in the molds, and its lack of uniformity; it has spent much time in investigating the various natural sands... | |
 | Charles Carroll Brown - Cement - 1905 - 384 pages
...used, especially on account of its high percentage of voids, the difficulty of compacting in the molds, and its lack of uniformity; it has spent much time...which appeared to be available and suitable for use.. Mixing and Molding Machines. — The Committee, after investigation of the various mechanical mixing... | |
 | Edwin Clarence Eckel - Cement - 1905 - 796 pages
...the air during the test, the percentage of water used, and the amount of moulding the paste receives. STANDARD SAND. 45. The Committee recognizes the grave...used, especially on account of its high percentage of void.3, the difficulty of compacting in the moulds, and its lack of uniformity; it has spent much time... | |
 | Frederick Putnam Spalding - Cement - 1906 - 346 pages
...States, but the Committee reporting in 1904 recommend the use of natural sand as follows : STANDARD SAND. "The Committee recognizes the grave objections to...which appeared to be available and suitable for use. "For the present, the Committee recommends the natural sand from Ottawa, Ill., screened to pass a sieve... | |
 | American School (Lansing, Ill.) - Architecture - 1907 - 438 pages
...minutes, but must develop hard set in not less than one hour, nor more than ten hours. Standard Sand. The Committee recognizes the grave objections to the...its lack of uniformity; it has spent much time in investiFlg. 3. Form of DriqueUe. gating the various natural sands which appeared to be available and... | |
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The Committee recognizes the grave objections to the standard quartz now generally used, especially on account of its high percentage of voids, the difficulty of compacting in the moulds, and its lack of uniformity... 
