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 98
Сторінка 23
... structures is never subjected to anything like the stresses that the strength tests show it is able to withstand . It is only in work where very high unit stresses are employed , such as in reinforced concrete structures that the actual ...
... structures is never subjected to anything like the stresses that the strength tests show it is able to withstand . It is only in work where very high unit stresses are employed , such as in reinforced concrete structures that the actual ...
Сторінка 29
... structures where there is an excess of strength , cheapness in placing , the appearance of the surface , or the proper inbedding of reinforcing metal may be of primary importance . In such cases the quantity of water must be suited to ...
... structures where there is an excess of strength , cheapness in placing , the appearance of the surface , or the proper inbedding of reinforcing metal may be of primary importance . In such cases the quantity of water must be suited to ...
Сторінка 31
... structures subject to similar conditions have been ruined in a few years . Experience has shown that the cement for use in marine construction should be as low as possible in aluminum and lime . Puzzolan material is a valuable addition ...
... structures subject to similar conditions have been ruined in a few years . Experience has shown that the cement for use in marine construction should be as low as possible in aluminum and lime . Puzzolan material is a valuable addition ...
Сторінка 33
... structure . " 2. When , on the other hand , the agent of destruction is caused by gases ( generally sulphuretted hydrogen ) , arising from waters , whether on the outside or the inside of a structure , the disintegration will take place ...
... structure . " 2. When , on the other hand , the agent of destruction is caused by gases ( generally sulphuretted hydrogen ) , arising from waters , whether on the outside or the inside of a structure , the disintegration will take place ...
Сторінка 34
... structures of various kinds are discussed in the respective chapters of the book . In 1904 and 1905 the Aqueduct Commissioners of New York had an elaborate series of tests made on the strength of concrete , and the following laws were ...
... structures of various kinds are discussed in the respective chapters of the book . In 1904 and 1905 the Aqueduct Commissioners of New York had an elaborate series of tests made on the strength of concrete , and the following laws were ...
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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.