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 21
... desired for certain work and slow - setting for other . To determine the setting properties it is customary to prepare pats about 3 inches in diameter and 1/2 inch thick in the middle and with thin edges on glass plates , and allow them ...
... desired for certain work and slow - setting for other . To determine the setting properties it is customary to prepare pats about 3 inches in diameter and 1/2 inch thick in the middle and with thin edges on glass plates , and allow them ...
Сторінка 36
... desired , giving density to the mortar ; round grains compact more readily than sharp grains , and the cement will cling to the surface of round grains as well as sharp grains , the character of the surface being identical . Sharp sand ...
... desired , giving density to the mortar ; round grains compact more readily than sharp grains , and the cement will cling to the surface of round grains as well as sharp grains , the character of the surface being identical . Sharp sand ...
Сторінка 54
... desired , by the machine . 7. The different materials may be fed to the mixing apparatus separately . There is therefore no necessity for hand mixing before feeding . 2. Continuous mixers are those in which the cement , [ 54 ] Handbook ...
... desired , by the machine . 7. The different materials may be fed to the mixing apparatus separately . There is therefore no necessity for hand mixing before feeding . 2. Continuous mixers are those in which the cement , [ 54 ] Handbook ...
Сторінка 55
... desired , the proportioning being accom- plished by the machine . Special features of the continuous mixer . 1. It is of use chiefly where large quantities of concrete have to be delivered without intermission , as in the construction ...
... desired , the proportioning being accom- plished by the machine . Special features of the continuous mixer . 1. It is of use chiefly where large quantities of concrete have to be delivered without intermission , as in the construction ...
Сторінка 57
... desired consistency . 3. That the ingredients are thoroughly incorporated before leaving the mixer . Cement Storage 120 bbls . Sheet Steel Measuring Hopper- # 4 - Smith Mixer Timber Hopper ( 40 Yds Stone . Capacity 20 yds.Sand Stone ...
... desired consistency . 3. That the ingredients are thoroughly incorporated before leaving the mixer . Cement Storage 120 bbls . Sheet Steel Measuring Hopper- # 4 - Smith Mixer Timber Hopper ( 40 Yds Stone . Capacity 20 yds.Sand Stone ...
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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
Популярні уривки
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.