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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Результати 6-10 із 53
Сторінка 14
... ground , first in a Griffin mill and then in a tube - mill . The lime is burned from very fine limestone , slaked , screened , and dried , and is then incorporated with the slag . The resulting material is fine enough to permit 95 per ...
... ground , first in a Griffin mill and then in a tube - mill . The lime is burned from very fine limestone , slaked , screened , and dried , and is then incorporated with the slag . The resulting material is fine enough to permit 95 per ...
Сторінка 18
... ground , the more bulky it becomes , and consequently the less it weighs . Hence light weight may be caused either by laudable fine grinding or by objec- tionable under - burning . A barrel of Portland cement , containing 3.8 cu . ft ...
... ground , the more bulky it becomes , and consequently the less it weighs . Hence light weight may be caused either by laudable fine grinding or by objec- tionable under - burning . A barrel of Portland cement , containing 3.8 cu . ft ...
Сторінка 19
... ground , is a mass of partially vitrified clinker , which is not affected by water , and which has no setting power . It is only after it is ground that the addition of water induces crystallization . The coarse parts of the cement may ...
... ground , is a mass of partially vitrified clinker , which is not affected by water , and which has no setting power . It is only after it is ground that the addition of water induces crystallization . The coarse parts of the cement may ...
Сторінка 20
... ground . This is referred to as a test for fineness and is made by passing the cement through sieves of varying meshes . In a good Portland 98 per cent should pass through a No. 100 sieve , having 10,000 holes to the square inch . The ...
... ground . This is referred to as a test for fineness and is made by passing the cement through sieves of varying meshes . In a good Portland 98 per cent should pass through a No. 100 sieve , having 10,000 holes to the square inch . The ...
Сторінка 28
... ground that its granules will completely coat those of the finest aggregate . When this condition obtains , the set will produce a mass of ever- lasting stone . Many experiments have been made to show the effect on the strength of ...
... ground that its granules will completely coat those of the finest aggregate . When this condition obtains , the set will produce a mass of ever- lasting stone . Many experiments have been made to show the effect on the strength of ...
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Загальні терміни та фрази
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.