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 8
... proper proportions to the point where they begin to fuse or melt . The materials then combine chemically and form a hard clinker , which when ground to a powder acquires the property of setting under water . The term Natural cement is ...
... proper proportions to the point where they begin to fuse or melt . The materials then combine chemically and form a hard clinker , which when ground to a powder acquires the property of setting under water . The term Natural cement is ...
Сторінка 10
... proper proportion of the ingredients for natural cement , it is only necessary to break up the quarried rock into convenient sizes and load it into the kiln . In order to insure uniformity of product , it is common practice to mix rock ...
... proper proportion of the ingredients for natural cement , it is only necessary to break up the quarried rock into convenient sizes and load it into the kiln . In order to insure uniformity of product , it is common practice to mix rock ...
Сторінка 11
... proper proportion of marl in pans , enough water being added to give the mass a thick , creamy consistency . The wet mixture is then ground either in a pug mill or edge runner and run into slurry tanks , where it is constantly stirred ...
... proper proportion of marl in pans , enough water being added to give the mass a thick , creamy consistency . The wet mixture is then ground either in a pug mill or edge runner and run into slurry tanks , where it is constantly stirred ...
Сторінка 12
... proper proportions decided upon by chemical analysis of samples taken from various portions . An extremely accurate mixture is obtained by using an automatic weighing machine of the tandem type . The mixture is conveyed to a dryer which ...
... proper proportions decided upon by chemical analysis of samples taken from various portions . An extremely accurate mixture is obtained by using an automatic weighing machine of the tandem type . The mixture is conveyed to a dryer which ...
Сторінка 14
... proper composition , as it comes from the blast furnace , is sprayed with a stream of cold water under pressure ; ' the water granulates the slag and also combines with the elements contained therein , causing evolution of sulphuretted ...
... proper composition , as it comes from the blast furnace , is sprayed with a stream of cold water under pressure ; ' the water granulates the slag and also combines with the elements contained therein , causing evolution of sulphuretted ...
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50 cents abutment acid aggregate applied arch asphalt barrel bars bending bottom brick bridge broken stone building carrying cent centre chapter coat color columns compression compressive stress concrete blocks consists construction cost cracks crete cubic cubic foot depth diameter employed engineer face feet filled finish floor forms formula foundation girders gravel grout gypsum hardening horizontal hydraulic lime inches lath lime load machine manufacture masonry material metal method mixer mixing mixture mortar mould O'CONOR SLOANE obtained ornamental pile pipe placed plaster plaster of Paris Portland cement posts practical pressure Price proportions reinforced concrete reinforced-concrete removed resistance retaining walls rods Rule sand sewer shear slab slaked lime 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.