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. |
З цієї книги
Результати 11-15 із 97
Сторінка 63
... thick paste . This is readily forced through 2 in . pipes into depths of 50 ft . and over . In heavy subaqueous operations concrete is also placed by constructing a coffer dam around the site , pumping out the water , and working in the ...
... thick paste . This is readily forced through 2 in . pipes into depths of 50 ft . and over . In heavy subaqueous operations concrete is also placed by constructing a coffer dam around the site , pumping out the water , and working in the ...
Сторінка 64
... in such a way as to avoid the use of nails whenever possible . Braces are seldom less than 1 in . thick and it takes hard driving to get spikes through them . When- ever possible , blocks or wedges held in place by [ 64 ]
... in such a way as to avoid the use of nails whenever possible . Braces are seldom less than 1 in . thick and it takes hard driving to get spikes through them . When- ever possible , blocks or wedges held in place by [ 64 ]
Сторінка 65
... thick plank . This provides a stiff support against which braces may be placed at any point when needed . At any sign of giving way in the forms , intermediate braces may be quickly introduced without the delay consequent upon driving ...
... thick plank . This provides a stiff support against which braces may be placed at any point when needed . At any sign of giving way in the forms , intermediate braces may be quickly introduced without the delay consequent upon driving ...
Сторінка 73
... thickness than can be obtained by spading the coarser aggregate back from the surface of the forms . Pressure of Concrete on Forms . - The forms for concrete must be strong enough to withstand the pressure of the " soupy " mass , and ...
... thickness than can be obtained by spading the coarser aggregate back from the surface of the forms . Pressure of Concrete on Forms . - The forms for concrete must be strong enough to withstand the pressure of the " soupy " mass , and ...
Сторінка 76
... thickness of the walls . With very thin walls the cost for forms is comparatively high , and for such work a method of estimating which is based on the surface arca should be employed . There are three methods of estimating the cost of ...
... thickness of the walls . With very thin walls the cost for forms is comparatively high , and for such work a method of estimating which is based on the surface arca should be employed . There are three methods of estimating the cost of ...
Інші видання - Показати все
Загальні терміни та фрази
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
Популярні уривки
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.