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 12
... horizontal so as to facilitate the movement of the material to the point of discharge . The raw material is introduced at the upper end , and in passing through , it is calcined to all clinker , leaving the kiln at the lower end as hard ...
... horizontal so as to facilitate the movement of the material to the point of discharge . The raw material is introduced at the upper end , and in passing through , it is calcined to all clinker , leaving the kiln at the lower end as hard ...
Сторінка 69
... in position when placed . Column Forms . - For columns it is customary to provide a vertical trough and to brace the forms by horizontal frames made of 2 x 4 inch stuff . These frames are of [ 69 ] Forms for Concrete Construction.
... in position when placed . Column Forms . - For columns it is customary to provide a vertical trough and to brace the forms by horizontal frames made of 2 x 4 inch stuff . These frames are of [ 69 ] Forms for Concrete Construction.
Сторінка 71
... horizontal troughs made of 1 or 1 1/4 inch lumber . The bottom piece rests on two 2 x 4 inch stringers which in turn are supported by 4 x 4 inch caps resting on posts . The side pieces are braced with 2 x 4 inch horizontal strips at top ...
... horizontal troughs made of 1 or 1 1/4 inch lumber . The bottom piece rests on two 2 x 4 inch stringers which in turn are supported by 4 x 4 inch caps resting on posts . The side pieces are braced with 2 x 4 inch horizontal strips at top ...
Сторінка 73
... 4 feet , and for 2 - inch plank is 5 feet . Studding generally varies from 2 x 4 inches to 4 x 6 inches , according to the character of the work and the distance between the horizontal braces [ 73 ] Forms for Concrete Construction.
... 4 feet , and for 2 - inch plank is 5 feet . Studding generally varies from 2 x 4 inches to 4 x 6 inches , according to the character of the work and the distance between the horizontal braces [ 73 ] Forms for Concrete Construction.
Сторінка 74
... horizontal braces or walling . " Dressing and Lubrication of Forms . - Dressed lumber should be employed for all exposed surfaces in order to give a smooth finish . Dressed timber also permits tighter joint construction , and ...
... horizontal braces or walling . " Dressing and Lubrication of Forms . - Dressed lumber should be employed for all exposed surfaces in order to give a smooth finish . Dressed timber also permits tighter joint construction , and ...
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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.