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 22
... allowed to set either 1 , 7 , or 28 days and sometimes for even longer periods running into many years . They are then broken in testing machines . The briquettes are made both of pure cement and of cement mortar mixed with varying ...
... allowed to set either 1 , 7 , or 28 days and sometimes for even longer periods running into many years . They are then broken in testing machines . The briquettes are made both of pure cement and of cement mortar mixed with varying ...
Сторінка 28
... allowed . A similar effect is produced by the addition of a small quantity of hydrated lime or waterproofing compound to cement mortar , the density and water - tightness being increased . For the coarse aggregate a variety of materials ...
... allowed . A similar effect is produced by the addition of a small quantity of hydrated lime or waterproofing compound to cement mortar , the density and water - tightness being increased . For the coarse aggregate a variety of materials ...
Сторінка 30
... allowed . Effect of Oils . - Mineral oil when mixed with concrete forms an emulsion with the alkali and water , resulting in a less brittle mortar and one much more free from expansion and contraction cracks . The oil also has the ...
... allowed . Effect of Oils . - Mineral oil when mixed with concrete forms an emulsion with the alkali and water , resulting in a less brittle mortar and one much more free from expansion and contraction cracks . The oil also has the ...
Сторінка 60
... . Protection of Concrete after Placing . - Green concrete should not be exposed to the sun until after it has been allowed to set for five or six days . Each day during that period [ 60 ] Handbook for Cement and Concrete Users.
... . Protection of Concrete after Placing . - Green concrete should not be exposed to the sun until after it has been allowed to set for five or six days . Each day during that period [ 60 ] Handbook for Cement and Concrete Users.
Сторінка 62
... allowed to sink through water is destroyed ; the cement paste is washed away and the sand and stone settle on to the bottom more or less segregated and practically without cementing value . 3'0 ' Concrete FIG . 16 . Tremie Tube for ...
... allowed to sink through water is destroyed ; the cement paste is washed away and the sand and stone settle on to the bottom more or less segregated and practically without cementing value . 3'0 ' Concrete FIG . 16 . Tremie Tube for ...
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abutment acid aggregate applied arch asphalt barrel bars bending bottom brick bridge broken stone building carrying cent centre chapter coal tar coat color columns compression compressive stress concrete beam concrete blocks consists construction counterforts cracks crete cubic cubic foot depth diameter employed Engineering face feet filled finish floor forms formula foundation girders gravel grout gypsum hardening horizontal hydraulic lime inches lath layer lime load machine manufacture masonry material metal method mixer mixing mixture mortar mould obtained pile pipe placed plaster plaster of Paris Portland cement pressure proportions reinforced concrete reinforced-concrete removed resistance retaining walls rods Rule sand sewer shear shearing stress 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