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" ... free from clay and other impurities except sand. When containing sand in any considerable quantity, the amount per unit of volume of gravel shall be determined accurately to admit of the proper proportion of sand being maintained in the concrete mixture. "
The State Department Reports of the State of New York - Side 279
av New York (State) - 1917
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Pamphlets on Forestry in North Carolina, Volum 2

1894 - 730 sider
...other impurities except sand. When containing sand in any considerable quantity the amount of sand per unit of volume of gravel shall be determined accurately,...of sand being maintained in the concrete mixture. Water: Water shall be clean and reasonably clear, free from alkali and injurious salts. Proportioning:...
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Bulletin, Utgave 2

Ohio. Division of Geological Survey - 1904 - 288 sider
...of sizes not exceeding two inches in diameter, free from clay and other impurities except sand. When containing sand in any considerable quantity, the...of sand being maintained in the concrete mixture. Water. — Water shall be clean and reasonably clear, free from sulphuric acid or strong alkalies....
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The Uses of Hydraulic Cement

Frank Harvey Eno - 1904 - 290 sider
...of sizes not exceeding two inches in diameter, free from clay and other impurities except sand. When containing sand in any considerable quantity, the...of sand being maintained in the concrete mixture. Water.—Water shall be clean and reasonably clear, free from sulphuric acid or strong alkalies. Mixing...
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Fourth Series, Bulletin, Utgave 2

Ohio. Division of Geological Survey - 1904 - 294 sider
...of sizes not exceeding two inches in diameter, free from clay and other impurities except sand. When containing sand in any considerable quantity, the...of sand being maintained in the concrete mixture. Water. — Water shall be clean and reasonably clear, free from sulphuric acid or strong alkalies....
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Sessional Papers - Legislature of the Province of Ontario, Volum 2

Ontario. Legislative Assembly - 1905 - 1154 sider
...of sizes not exceeding two inches in diameter, free from clay and other impurities except sand. When containing sand in any considerable quantity, the...of sand being maintained in the concrete mixture. Water: Water shall be clean and reasonably clear, free from sulphuric acid or strong alkalies. Mixing...
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Sessional Papers, Volum 37,Del 2

Ontario. Legislative Assembly - 1905 - 1162 sider
...of sizes not exceeding two inches in diameter, free from clay and othor impurities rxcrps sand. When containing sand in any considerable quantity, the...determined accurately to admit of the proper .proportion of sana being maintained in tho concreto mixturo. Wator : Water shall be clean and reasonably clear, free...
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Report of the Bureau of Mines, Volum 14

Ontario. Department of Mines, Ontario. Bureau of Mines - 1905 - 712 sider
...of sizes not exceeding two inches in diameter, free from clay and other impurities except sand. When containing sand in any considerable quantity, the...determined accurately to admit of the proper proportion of saml being maintained in the concrete mixture. Water: Water shall be clean and reasonably clear, free...
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Report of the Bureau of Mines, Volum 14

Ontario. Department of Mines, Ontario. Bureau of Mines - 1905 - 670 sider
...of siees not exceeding two inches in diameter, free from clay and other impurities except sand. When containing sand in any considerable quantity, the...gravel shall be determined accurately to admit of tho proper proportion of sand being maintained in the concrete mixture. Water: Water shall be clean...
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Report of the Bureau of Mines, Volum 14

Ontario. Department of Mines, Ontario. Bureau of Mines - 1905 - 668 sider
...impurities except sand. When containing sand in any considerable quantity, the amount per unit of volumf of gravel shall be determined accurately to admit of the proper proportion of sanrl being maintained in the concrete mixture. Water : Water shall be clean and reasonably clear,...
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Report of the Geological Survey of Ohio, Volum 8

Geological Survey of Ohio - 1906 - 1030 sider
...of sizes not exceeding two Inches in diameter, free from clay and other impurities except sand. When containing sand in any considerable quantity, the...of sand being maintained in the concrete mixture. Water. — Water shall be clean and reasonably clear, free from sulphuric acid or strong alkalies....
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