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 152
... steel , a cap to fit over the core and a tamper . To these may be added an attachment for forming a bell end on the pipe . The method of using is as follows : The iron pallet is placed on the floor , the core is backed inside and the ...
... steel , a cap to fit over the core and a tamper . To these may be added an attachment for forming a bell end on the pipe . The method of using is as follows : The iron pallet is placed on the floor , the core is backed inside and the ...
Сторінка 153
... tile are made by means of a peculiarly shaped revolving packer which operates inside the steel mould or casing . The circular table around the column of this machine is moved vertically [ 153 ] Concrete Pipes , Fence Posts , Etc.
... tile are made by means of a peculiarly shaped revolving packer which operates inside the steel mould or casing . The circular table around the column of this machine is moved vertically [ 153 ] Concrete Pipes , Fence Posts , Etc.
Сторінка 157
... Steel posts have been tried , but are expensive , and ' unless con- stantly painted will soon deteriorate by rusting . Reinforced concrete posts , however , are cheaply and easily made , may be as strong as desired , and are practically ...
... Steel posts have been tried , but are expensive , and ' unless con- stantly painted will soon deteriorate by rusting . Reinforced concrete posts , however , are cheaply and easily made , may be as strong as desired , and are practically ...
Сторінка 159
... steel about 1/16 " thick . They are U - shaped in sections with flanges bent at right angles to the body of the moulds to stiffen them . The moulds are provided with square detachable sheet steel end plates , which fasten to the moulds ...
... steel about 1/16 " thick . They are U - shaped in sections with flanges bent at right angles to the body of the moulds to stiffen them . The moulds are provided with square detachable sheet steel end plates , which fasten to the moulds ...
Сторінка 160
... steel apron , thus forming the sides of the moulds and giving the post its characteristic corruga- tions . Hinged end gates are fitted to these sides which when inter- locked , permit the sides to be spread and the post thus released ...
... steel apron , thus forming the sides of the moulds and giving the post its characteristic corruga- tions . Hinged end gates are fitted to these sides which when inter- locked , permit the sides to be spread and the post thus released ...
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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.