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 5
... and is extensively used in the building trades . The ordinary method of slaking lime consists in first placing the lumps in a layer , 6 or 8 inches deep , in either a water - tight box , or a basin formed in the sand , and then [ 5 ]
... and is extensively used in the building trades . The ordinary method of slaking lime consists in first placing the lumps in a layer , 6 or 8 inches deep , in either a water - tight box , or a basin formed in the sand , and then [ 5 ]
Сторінка 6
... consists of : 1. The formation of crystals , as the lime gradually dries out . 2. The slow formation of carbonate of lime or limestone through the absorption of carbonic acid from the air . Lime mortar acquires strength only by the ...
... consists of : 1. The formation of crystals , as the lime gradually dries out . 2. The slow formation of carbonate of lime or limestone through the absorption of carbonic acid from the air . Lime mortar acquires strength only by the ...
Сторінка 11
... means of pedals or compressed air . The wet slurry is then pumped directly into rotary kilns and burned at a high tem- perature . The rotary kiln consists of a brick - lined steel [ II ] Kinds of Cement and How They are Made.
... means of pedals or compressed air . The wet slurry is then pumped directly into rotary kilns and burned at a high tem- perature . The rotary kiln consists of a brick - lined steel [ II ] Kinds of Cement and How They are Made.
Сторінка 12
... consists of a brick - lined steel cylinder varying from 50 to 200 ft . in length and from 5 to 12 ft . in diameter . By means of appropriate machinery it is slowly rotated at an average speed of one revolution a minute . The cylinder is ...
... consists of a brick - lined steel cylinder varying from 50 to 200 ft . in length and from 5 to 12 ft . in diameter . By means of appropriate machinery it is slowly rotated at an average speed of one revolution a minute . The cylinder is ...
Сторінка 26
... consisting of cement and sand mixed with water . 2. The coarse aggregate ; broken stone , gravel , etc. Concrete made with good Portland cement , in proper propor- tions , becomes so hard and strong that when pieces are broken , the ...
... consisting of cement and sand mixed with water . 2. The coarse aggregate ; broken stone , gravel , etc. Concrete made with good Portland cement , in proper propor- tions , becomes so hard and strong that when pieces are broken , the ...
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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.