 | William Charles Gotshall - Electric railroads - 1903 - 278 pages
...structures. The brick or stone in all cases shall be laid with a mortar composed of Portland cement in the proportion of one part of cement to three parts of sand. The brick or stone used shall be in all cases of the best quality brick or stone. As already... | |
 | John Butler Johnson - Engineering - 1904 - 598 pages
...granite and the best Portland cement, equal to the Dyckerhoff brand, and capable of \\ ithstanding a tensile strain of 400 pounds to the square inch...water, and shall be mixed in the proportion of one part cement and three parts of crushed granite. The crushed granite shall consist of irregular, sharp-edged... | |
 | Charles Carroll Brown - Cement - 1905 - 440 pages
...Street Commissioner or by his duly authorized agent before the pavement is put down. Pavement. — After the sub-foundation has been finished the artificial...water, and shall be mixed in the proportion of one part cement to three parts of crushed granite. The crushed granite shall consist of irregular, sharp-edged... | |
 | Charles Carroll Brown - Cement - 1905 - 384 pages
...best Portland cement, equal to the Dyckerhoff brand, and capable of withstanding a tensile strength of 400 pounds to the .square inch after having been three hours in the air and seven days in water, and shall be mixed in the proportion of one part cement to three parts... | |
 | W. Purves Taylor - Cement - 1905 - 344 pages
...strength of slag cements is tested in briquettes, both of, neat paste and of sand mortar, made usually in the proportion of one part of cement to three parts of sand. Owing to the extreme fine grinding, the neat results are apt to be low, with the sand abnormally... | |
 | Charles Carkeet James - Sanitary engineering - 1906 - 440 pages
...atmosphere. 00 per cent, of the blocks shall be made of neat cement and 40 per cent, of cement and sand in the proportion of one part of cement to three parts of clean dry sand. The neat cement blocks shall be capable of maintaining without breaking a tensile strain... | |
 | Illinois. Appellate Court, Martin L. Newell, Mason Harder Newell, Walter Clyde Jones, Keene Harwood Addington, James Christopher Cahill, Basil Jones, James Max Henderson, Ray Smith - Courts - 1906 - 728 pages
...outside faces of said walls smooth and even, and said faces were required to be of cement and sand in the proportion of one part of cement to three parts of sand," and the two following, and others of substantially the same import were refused by the court... | |
 | Springfield (Mass.) - Springfield (Mass.) - 1907 - 994 pages
...is rolled with a steam roller until the stone has been thoroughly compacted. Portland cement grout, mixed in the proportion of one part of cement to three parts of fine sand, is then poured upon the stone until all interstices are filled. The surface is then rolled,... | |
 | American Society of Engineering Contractors - Contractors - 1909 - 820 pages
...filled with concrete made as hereinbefore specified, with the exception that the component materials shall be mixed in the proportion of one part of cement to three parts of small stone or gravel of such size as the Engineer shall direct, and thoroughly rammed, care being... | |
 | Correspondence schools and courses - 1909 - 706 pages
...very durable. For use on brickwork, the plaster should be made of Portland cement and clean sharp sand mixed in the proportion of one part of cement to three parts of sand, with sufficient water to make a stiff paste. Before adding the water, the mortar joints in the... | |
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Dyckerhoff brand, and capable of withstanding a tensile strain of 400 pounds to the square inch after having been three hours in air and seven days in water, and shall be mixed in the proportion of one part of cement to three parts of crushed granite. 
