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 17
... pile the cement on the boards , covering the pile with canvas or pieces of roofing paper . CHAPTER III PROPERTIES , TESTING , AND REQUIREMENTS OF HYDRAULIC [ 17 ] Kinds of Cement and How They are Made.
... pile the cement on the boards , covering the pile with canvas or pieces of roofing paper . CHAPTER III PROPERTIES , TESTING , AND REQUIREMENTS OF HYDRAULIC [ 17 ] Kinds of Cement and How They are Made.
Сторінка 38
... pile of sand with a hose , for this only washes or transfers the dirt to a lower part of the pile . Sand , provided it is not too fine , can be satisfactorily washed , however , by making a washing trough . For sands a screen with 30 ...
... pile of sand with a hose , for this only washes or transfers the dirt to a lower part of the pile . Sand , provided it is not too fine , can be satisfactorily washed , however , by making a washing trough . For sands a screen with 30 ...
Сторінка 49
... . First load your sand in wheelbarrows from the sand pile , wheel on to the " Board , " and fill the sand - measuring box , which is placed When about two feet from one of the 10 - 4 [ 49 ] How to Mix and Place Concrete.
... . First load your sand in wheelbarrows from the sand pile , wheel on to the " Board , " and fill the sand - measuring box , which is placed When about two feet from one of the 10 - 4 [ 49 ] How to Mix and Place Concrete.
Сторінка 50
... pile . Lift off the box and shovel the gravel on top of the sand and cement , spreading it as evenly as possible ... pile as evenly as possible . Be careful not to let too much water get near the edges of the pile , as it will run off ...
... pile . Lift off the box and shovel the gravel on top of the sand and cement , spreading it as evenly as possible ... pile as evenly as possible . Be careful not to let too much water get near the edges of the pile , as it will run off ...
Сторінка 51
... pile . The con- crete is now ready for placing . 12.12 Block Hordle FIG . 8. - Homemade Con- crete Tamper . Mixing Natural Mixture of Bank Sand and Gravel . - Spread out the mixture of sand and gravel as much as the board will readily ...
... pile . The con- crete is now ready for placing . 12.12 Block Hordle FIG . 8. - Homemade Con- crete Tamper . Mixing Natural Mixture of Bank Sand and Gravel . - Spread out the mixture of sand and gravel as much as the board will readily ...
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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.