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 1-5 із 67
Сторінка 12
... length and from 5 to 12 ft . in diameter . By means of appropriate machinery it is slowly rotated at an average speed of one revolution a minute . The cylinder is usually slightly inclined to the horizontal so as to facilitate the ...
... length and from 5 to 12 ft . in diameter . By means of appropriate machinery it is slowly rotated at an average speed of one revolution a minute . The cylinder is usually slightly inclined to the horizontal so as to facilitate the ...
Сторінка 49
... length at each end to be made into a handle . For 2 - Bag Batch 1:36 Mixture : 2 pcs . 1 " X 11 " X 2′0 ′′ 2 pcs . 1 ... length . at each end to be made into a handle . For 4 - Bag Batch : Double cubic contents of boxes and order lumber ...
... length at each end to be made into a handle . For 2 - Bag Batch 1:36 Mixture : 2 pcs . 1 " X 11 " X 2′0 ′′ 2 pcs . 1 ... length . at each end to be made into a handle . For 4 - Bag Batch : Double cubic contents of boxes and order lumber ...
Сторінка 66
... length equal to the required width of the wall is placed beside the wire , where it is left until the concrete reaches that height , after which it is removed . Wired forms are much more secure than those which are merely braced . They ...
... length equal to the required width of the wall is placed beside the wire , where it is left until the concrete reaches that height , after which it is removed . Wired forms are much more secure than those which are merely braced . They ...
Сторінка 75
... length . If timber beams are calculated for strength , use 750 lbs . per sq . in . , extreme transverse fibre stress . 4. Compute plank joists and timber beams by the following formula , allowing a maximum deflection of 1/8 inch : and d ...
... length . If timber beams are calculated for strength , use 750 lbs . per sq . in . , extreme transverse fibre stress . 4. Compute plank joists and timber beams by the following formula , allowing a maximum deflection of 1/8 inch : and d ...
Сторінка 99
... square yard , and if coated or galvanized add the weight of the protection . Fasten the sheets horizontally , i.e. , the long way of the mesh being horizontal , so that the length of the sheets [ 99 ] Mortars , Plasters , and Stuccos.
... square yard , and if coated or galvanized add the weight of the protection . Fasten the sheets horizontally , i.e. , the long way of the mesh being horizontal , so that the length of the sheets [ 99 ] Mortars , Plasters , and Stuccos.
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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.