Portland Cement: A MonographRepublican printing Company, 1895 - 192페이지 |
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aggregate alumina amount of water average barrel bbls best Portland breaking strains brick briquettes broken stone burning carbonic acid cement mortar cement testing cent chalk clay clinker clips concrete cost cracks crushed crusher cylinder damp day in air days in water diagrams diameter engineer fineness fuel grains gravel grinding heat HENNEPIN CANAL hydraulic lime immersed kiln layers less limestone manufacture masonry method mixture months natural and Portland natural cement neat cement necessary needle obtained percentage plaster of Paris Portland cement pounds powder proportions of sand quantity raw material reduced Rosendale salt water sand and cement shown in Fig sieve sifted silica slaked slow setting cements slurry South Bend specimens square centimetre square inch standard sand sufficient surface Table tamped temperature tensile strength thick trowel uniform UNIVERSITY OF IOWA unsifted usually Utica week weight