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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. "
Appletons' Annual Cyclopaedia and Register of Important Events - Página 309
1885
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Sessional Papers, Volumen37,Parte7

Ontario. Legislative Assembly - 1905 - 836 páginas
...cement to five of gravel. If broken stone is used, the concrete shall be mixed with the proportions one part of cement, two parts of sand, and four parts of broken stone. The stone shall be such as will pass through a one and one-half inch mesh. (6) The metal reinforcement...
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International Library of Technology: A Series of Textbooks for ..., Volumen51

1905 - 858 páginas
...it must be clean and vary in size from J to 1 inch. For beams, the proportion of concrete shall be one part of cement, two parts of sand, and four parts of broken stone. For floor slabs, the proportion shall be one part of cement, two and one-half parts of sand, and five...
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Loads in Structures, Properties of Sections, Materials of Structural ...

1905 - 874 páginas
...it must be clean and vary in size from i to 1 inch. For beams, the proportion of concrete shall be one part of cement, two parts of sand, and four parts of broken stone. For floor slabs, the proportion shall be one part of cement, two and one-half parts of sand, and five...
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Minutes of Proceedings of the Institution of Civil Engineers, Volumen167

Institution of Civil Engineers (Great Britain) - 1907 - 542 páginas
...used in the building and 3,000 tons of Portland cement, chiefly in the form of concrete, consisting of one part of cement, two parts of, sand and four parts of washed gravel. AWB Roads and Tires. (Engineering Record, New York, 28 July, 1900, p. 87.) A short article...
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Building Superintendence: A Working Guide to the Requirements of Modern ...

American School of Correspondence, American School (Lansing, Ill.), Edward Nichols - 1907 - 236 páginas
...the exact width required, and into this the concrete may be tamped (Fig. 9S). A good proportion is one part of cement, two parts of sand, and four parts of stone, for natural cement. The thickness of the footing should he one-quarter of its width (provided...
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Building Code of Baltimore: Being Ordinance No. 155 of the Mayor and City ...

Baltimore (Md.) - 1908 - 514 páginas
...shall be small enough to pass through a i-inch ring, and the concrete shall be mixed in the proportion of one part of cement, two parts of sand and four parts of broken stone. stcei to be PAR. 3. High-grade steel may be used 628 vise.' P for reinforcing material, but shall be...
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Concrete

Edward Godfrey - 1908 - 474 páginas
...the amount called for of the several materials. If 1 :2 :4 concrete is called for, there should be one part of cement, two parts of sand, and four parts of broken stone or gravel in each such quantity throughout. This is true of the amount of water used as well as other...
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Proceedings of the Annual Convention, Volumen4

National Association of Cement Users (U.S.) - 1908 - 472 páginas
...with the entire wearing surface. SINGLE COAT WORK. i. proportions. Single coat work shall be composed of one part of cement, two parts of sand and four parts of gravel or crushed stona, and the blocks separated as provided for in the specifications for two-coat...
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By-laws of the City of London: Together with the Names of the Members of the ...

London (Ont.) - 1908 - 964 páginas
...superintendent. Proportion of Concrete. (3) The concrete shall be mixed in the proportions of not less than one part of cement, two parts of sand and four parts of clean stone or gravel, or in such other proportions as may be necessary to make the resistance of the...
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Building Construction and Superintendence, Parte1

Frank Eugene Kidder - 1909 - 1000 páginas
...approval of the architect. Proportions. — The reinforced concrete is to be mixed in the proportions of one part of cement, two parts of sand and four parts of broken stone. Suitable means are to be provided, as approved by the architect, for accurately measuring the respective...
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