Popular Hand Book for Cement and Concrete Users: A Comprehensive and Popular Treatise on the Principles Involved and Methods Employed in the Design and Construction of Modern Concrete Work ...Norman W. Henley Publishing Company, 1911 - 430 стор. |
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Сторінка 5
... cent of impurities , it has the property of absorbing water with great avidity . The process of absorption of water is accompanied by a great rise of temperature , by the evolution of hot and slightly caustic vapors , and finally by the ...
... cent of impurities , it has the property of absorbing water with great avidity . The process of absorption of water is accompanied by a great rise of temperature , by the evolution of hot and slightly caustic vapors , and finally by the ...
Сторінка 6
... hundred years are past and gane , then gude mortar turns into stane . " Hydraulic Lime . - Hydraulic lime is obtained by roasting a limestone which contains from 15 to 25 per cent of [ 6 ] Handbook for Cement and Concrete Users.
... hundred years are past and gane , then gude mortar turns into stane . " Hydraulic Lime . - Hydraulic lime is obtained by roasting a limestone which contains from 15 to 25 per cent of [ 6 ] Handbook for Cement and Concrete Users.
Сторінка 7
... cent of silica and alumina . In hydraulic limes , there are two principal constituents : 1. Free slaked lime ; 2. Lime chemically combined with silica and alumina . When a limestone containing silica and alumina is roasted , the two ...
... cent of silica and alumina . In hydraulic limes , there are two principal constituents : 1. Free slaked lime ; 2. Lime chemically combined with silica and alumina . When a limestone containing silica and alumina is roasted , the two ...
Сторінка 11
... cent ; alumina , 6-8 per cent ; lime , 60-65 per cent ; with small amounts of iron oxide , magnesia , sulphuric and carbonic acids , and water . These materials may be either limestone and clay , marl and clay , chalk and clay , or ...
... cent ; alumina , 6-8 per cent ; lime , 60-65 per cent ; with small amounts of iron oxide , magnesia , sulphuric and carbonic acids , and water . These materials may be either limestone and clay , marl and clay , chalk and clay , or ...
Сторінка 12
... cent to pass through a No. 100 sieve , this finer grinding being accomplished by either a tube - mill , Griffin mill , or Lehigh Fuller mill . The powder is then conveyed to a stock - house and seasoned for a time , and finally passes ...
... cent to pass through a No. 100 sieve , this finer grinding being accomplished by either a tube - mill , Griffin mill , or Lehigh Fuller mill . The powder is then conveyed to a stock - house and seasoned for a time , and finally passes ...
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abutment acid aggregate applied arch asphalt barrel bars bending bending moment bottom brick bridge broken stone building caissons carrying cent centre chapter coal tar coat color column compression compressive stress concrete blocks consists construction cost counterforts cracks crete cubic cubic foot depth diameter employed engineer face feet filled finish floor forms formula foundation girders gravel grout gypsum horizontal inches inches thick lath lime load machine manufacture masonry material metal method mixer mixing mixture mortar mould obtained ornamental pile pipe placed plaster plaster of Paris Portland cement practical pressure proportions reinforced concrete reinforced-concrete removed resistance retaining walls rods Rule sand sewer shear shearing stress slab space span steel stirrups strength stress structure stucco surface tamped tanks tensile stresses tension tests tile trowel tunnel vertical waterproofing weight wire wooden
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Сторінка 25 - Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours.