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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Результати 6-10 із 97
Сторінка 25
... thick at the centre , and tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature and observed at intervals for at least 28 days . ( b ) Another is ...
... thick at the centre , and tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature and observed at intervals for at least 28 days . ( b ) Another is ...
Сторінка 29
... thick and thoroughly rammed . Medium wet concrete is adapted for ordinary mass concrete , such as foundations , heavy walls , large arches , piers , and abutments . Very wet concrete is suitable for rubble concrete and for rein- forced ...
... thick and thoroughly rammed . Medium wet concrete is adapted for ordinary mass concrete , such as foundations , heavy walls , large arches , piers , and abutments . Very wet concrete is suitable for rubble concrete and for rein- forced ...
Сторінка 35
... nearly uniformly with the increase in pressure . 13. Rate of flow increases as thickness of concrete decreases , but in a much larger inverse ratio . CHAPTER V SAND , BROKEN STONE , AND GRAVEL FOR [ 35 ] Concrete and Its Properties.
... nearly uniformly with the increase in pressure . 13. Rate of flow increases as thickness of concrete decreases , but in a much larger inverse ratio . CHAPTER V SAND , BROKEN STONE , AND GRAVEL FOR [ 35 ] Concrete and Its Properties.
Сторінка 50
... thick . Take the two bags of cement and place the contents as evenly as possible over the sand . With two men start mixing the sand and cement , each man turning over the half on his side . Starting at his feet and shovelling away from ...
... thick . Take the two bags of cement and place the contents as evenly as possible over the sand . With two men start mixing the sand and cement , each man turning over the half on his side . Starting at his feet and shovelling away from ...
Сторінка 58
... thick unless otherwise specified . ENG CONTS Consistency . There are three kinds of mix- tures used in general concrete work as follows : FIG . 12. - Gravity Mixer for Lining Tunnel . 1. Very Wet Mixture . - Con- crete wet enough to be ...
... thick unless otherwise specified . ENG CONTS Consistency . There are three kinds of mix- tures used in general concrete work as follows : FIG . 12. - Gravity Mixer for Lining Tunnel . 1. Very Wet Mixture . - Con- crete wet enough to be ...
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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.