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 27
... forces . The broken stone is natural rock disintegrated by artificial forces . The water is just ordinary H2O which is clean and free from acids or alkalis . The cement has already been described . An ideal concrete is a mixture with a ...
... forces . The broken stone is natural rock disintegrated by artificial forces . The water is just ordinary H2O which is clean and free from acids or alkalis . The cement has already been described . An ideal concrete is a mixture with a ...
Сторінка 33
... the age of the concrete . The strength of plain concrete is principally in resisting com- pression or crushing forces , and in this direction it can withstand very heavy loads , 500 lbs . per square inch 3 [ 33 ] Concrete and Its ...
... the age of the concrete . The strength of plain concrete is principally in resisting com- pression or crushing forces , and in this direction it can withstand very heavy loads , 500 lbs . per square inch 3 [ 33 ] Concrete and Its ...
Сторінка 152
... is dumped down inside of the jacket and around the packer , and the packer * From " Cement Pipe and Tile , " by Hanson . head revolves up through the concrete and packs , forces [ 152 ] Handbook for Cement and Concrete Users.
... is dumped down inside of the jacket and around the packer , and the packer * From " Cement Pipe and Tile , " by Hanson . head revolves up through the concrete and packs , forces [ 152 ] Handbook for Cement and Concrete Users.
Сторінка 153
... forces , and presses the material between the jacket and the packer . This packer head has concave sides and is graduated out from the size of shaft on which it revolves , to the full size of the inside of the tile at the lower end ...
... forces , and presses the material between the jacket and the packer . This packer head has concave sides and is graduated out from the size of shaft on which it revolves , to the full size of the inside of the tile at the lower end ...
Сторінка 168
... forces produced by external loading is computed in the same way as in any other structure , the problem in reinforced concrete being to distribute the resultant stresses in such a manner between the concrete and steel as to have the ...
... forces produced by external loading is computed in the same way as in any other structure , the problem in reinforced concrete being to distribute the resultant stresses in such a manner between the concrete and steel as to have the ...
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abutment acid aggregate applied arch asphalt barrel bars bending bending moment bottom brick bridge broken stone building caissons carrying cent centre chapter coal tar coat color column compression compressive stress concrete blocks consists construction cost counterforts cracks crete cubic cubic foot depth diameter employed engineer face feet filled finish floor forms formula foundation girders gravel grout gypsum horizontal inches inches thick lath lime load machine manufacture masonry material metal method mixer mixing mixture mortar mould obtained ornamental pile pipe placed plaster plaster of Paris Portland cement practical pressure proportions reinforced concrete reinforced-concrete removed resistance retaining walls rods Rule sand sewer shear shearing stress slab 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.