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 97
Сторінка 66
... removed . Wired forms are much more secure than those which are merely braced . They possess , however , the following objectionable features : I. The ends of the wires are exposed when the [ 66 ] Handbook for Cement and Concrete Users.
... removed . Wired forms are much more secure than those which are merely braced . They possess , however , the following objectionable features : I. The ends of the wires are exposed when the [ 66 ] Handbook for Cement and Concrete Users.
Сторінка 67
... removed as soon FIG . 19. - The Dietrich Plank Holders . as the bolts are tightened , while the give can be taken up by tightening the nuts on the bolts . Such bolts are withdrawn after the forms have been removed and the holds are ...
... removed as soon FIG . 19. - The Dietrich Plank Holders . as the bolts are tightened , while the give can be taken up by tightening the nuts on the bolts . Such bolts are withdrawn after the forms have been removed and the holds are ...
Сторінка 70
... removing forms the column moulds are taken down . first . It is therefore necessary to so design the details about the tops of the forms as to permit of their removal [ 70 ] Handbook for Cement and Concrete Users.
... removing forms the column moulds are taken down . first . It is therefore necessary to so design the details about the tops of the forms as to permit of their removal [ 70 ] Handbook for Cement and Concrete Users.
Сторінка 71
... removal without in any way disturbing the beam and girder moulds . Beam and Slab Forms . - Beam forms are horizontal ... removed , the posts should be immediately replaced and wedged up . By this procedure , danger of [ 71 ] Forms for ...
... removal without in any way disturbing the beam and girder moulds . Beam and Slab Forms . - Beam forms are horizontal ... removed , the posts should be immediately replaced and wedged up . By this procedure , danger of [ 71 ] Forms for ...
Сторінка 72
... removal will be accomplished without injuring the surface of the concrete and without straining the arch . All centres must be dropped away from the arch readily . Salvage of material is an important item , but as a rule the salvage is ...
... removal will be accomplished without injuring the surface of the concrete and without straining the arch . All centres must be dropped away from the arch readily . Salvage of material is an important item , but as a rule the salvage is ...
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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.