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 85
Сторінка 73
... slab construction and their use is likely to increase in the near future on account of the rapid rise in the price of lumber . The chief difficulties in the use of such forms are their liability to leakage , tendency to rust and ...
... slab construction and their use is likely to increase in the near future on account of the rapid rise in the price of lumber . The chief difficulties in the use of such forms are their liability to leakage , tendency to rust and ...
Сторінка 74
... slabs , from 6 days to 2 weeks ; for beams and girders , from 2 to 4 weeks ; and for large - sized arches , from 1 to 3 ... slab ; 50 lbs . per sq . ft . in figuring beam and girder forms ; and struts . 3. For allowable compression in ...
... slabs , from 6 days to 2 weeks ; for beams and girders , from 2 to 4 weeks ; and for large - sized arches , from 1 to 3 ... slab ; 50 lbs . per sq . ft . in figuring beam and girder forms ; and struts . 3. For allowable compression in ...
Сторінка 75
... Slabs up to 6 feet span : in summer , six days ; in cold weather , two weeks . Beams and girders and long span slabs : in summer , ten days or two weeks ; in cold weather , three weeks to one month . If shores . are left without ...
... Slabs up to 6 feet span : in summer , six days ; in cold weather , two weeks . Beams and girders and long span slabs : in summer , ten days or two weeks ; in cold weather , three weeks to one month . If shores . are left without ...
Сторінка 80
... slab - and - beam construction is less than the cost of an expanded metal lath and plaster ceiling , as plaster can be very easily applied directly to the surface of either . If the rooms are small the doubly armed panel allows them to ...
... slab - and - beam construction is less than the cost of an expanded metal lath and plaster ceiling , as plaster can be very easily applied directly to the surface of either . If the rooms are small the doubly armed panel allows them to ...
Сторінка 86
... slabs and tiles , although red terra cotta tiles and wooden shingles are chiefly employed for pitched roofs and tin plates or gravel for flat roofs . Concrete houses , especially those of a suburban character , are frequently built with ...
... slabs and tiles , although red terra cotta tiles and wooden shingles are chiefly employed for pitched roofs and tin plates or gravel for flat roofs . Concrete houses , especially those of a suburban character , are frequently built with ...
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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.