 | Peter Mytton-Davies - 1988 - 192 Seiten
...ten parts of fine and coarse aggregate and one part of cement. But for any reinforced concrete work one part of cement , two parts of sand and four parts of gravel may well be needed. Rather obviously the parts are by volume. Providing enough water is used... | |
 | Missouri. State Department of Agriculture - 1912 - 558 Seiten
...concrete and the top of two-inch white oak lumber. The concrete used should be mixed in the proportion of one part of cement, two parts of sand and four parts of broken stone, or an equivalent mixture consisting of one part of cement and about four parts of crflek gravel. The... | |
 | 1916 - 402 Seiten
...cement or may be constructed of concrete throughout. The concrete should be mixed in the proportion of one part of cement, two parts of sand, and four parts of broken stone or gravel. If broken stone or gravel are not readily accessible, one part of cement, three of sand... | |
 | National Board of Fire Underwriters - 1920 - 340 Seiten
...one part of cement to not more than six parts of aggregate, fine and coarse, either in the proportion of one part of cement, two parts of sand and four parts of stone or gravel, or in such proportion as to produce a maximum density. Such concrete shall develop... | |
 | Board of Wayne County Road Commissioners (Wayne County, Mich.) - 1909 - 1150 Seiten
...is on file in the office of the Board and may be seen upon request. CONCRETE Concrete shall consist of one part of cement, two parts of sand, and four parts of pebbles, evenly and thoroughly mixed; parts of cement, sand and pebbles to be determined by measurements.... | |
 | 1908 - 490 Seiten
...eliminating from "concrete" construction the old natural cement. "Concrete shall be mixed in the proportions of one part of cement, two parts of sand and four parts of stone or gravel by volume, or the proportions may be such that the resistance of the concrete to crushing... | |
 | Cornell University. Agricultural Experiment Station - 1908 - 332 Seiten
...consists of rough concrete, only. This is made of one part of cement and six parts of medium gravel; or one part of cement, two parts of sand, and four parts of screened gravel or stone. These are mixed together until the mass shows a uniform color, then water... | |
 | 1919 - 760 Seiten
...stone or gravel (by loose volume) used in the mixture. For instance, a mixture of 1:2:4 would mean one part of cement, two parts of sand and four parts of stone or gravel. One bag of cement is generally considered to contain one cubic foot, so that if a... | |
 | Iron and Steel Institute - 1911 - 800 Seiten
...and concreted to form a drainage channel around the shaft. The best proportion for the concrete is one part of cement, two parts of sand, and four parts of gravel. PB McDonald 2 describes a process of sinking shafts in shifting sands by means of concrete.... | |
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... in the proportion of one part of cement, two parts of sand and four parts of stone or gravel, or in such proportion as to produce a maximum density. 
