Handbook of Building Construction: Data for Architects, Designing and Constructing Engineers, and Contractors ...George A. Hool, Nathan C. Johnson McGraw-Hill Book Company, Incorporated, 1920 - 1474 páginas |
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Página 809
... PILE DRIVING BY NATHAN C. JOHNSON 8. Hand Driving . - The driving of piling by hand is practicable only for very small round piles or sheet piling , and in soft materials , such as wet sand or mud . Where a trip hammer is available ...
... PILE DRIVING BY NATHAN C. JOHNSON 8. Hand Driving . - The driving of piling by hand is practicable only for very small round piles or sheet piling , and in soft materials , such as wet sand or mud . Where a trip hammer is available ...
Página 810
... pile hammer is made in several types of which the pile Warrington - Nasmyth single acting and the Arnott double acting , are among the best , the smaller sizes being used for sheet piles and the larger sizes for large round wood or ...
... pile hammer is made in several types of which the pile Warrington - Nasmyth single acting and the Arnott double acting , are among the best , the smaller sizes being used for sheet piles and the larger sizes for large round wood or ...
Página 811
... pile as provision for jetting , is not so effective as jets used outside of the pile . Where the material into which the piles are being driven is very firm or packed , jets should be used and as much shock on the pile saved as is ...
... pile as provision for jetting , is not so effective as jets used outside of the pile . Where the material into which the piles are being driven is very firm or packed , jets should be used and as much shock on the pile saved as is ...
Página 819
... pile . The foreman or superintendent who will personally supervise the striking of a set of difficult forms will never there- after be caught with a poor design , or permit careless and faulty work in the erection . Forms for circular ...
... pile . The foreman or superintendent who will personally supervise the striking of a set of difficult forms will never there- after be caught with a poor design , or permit careless and faulty work in the erection . Forms for circular ...
Página 824
... pile ; otherwise , the timbers will be warped . Finally , a temporary roof should be constructed over each pile , the roof projecting a foot or two over the sides and ends of the pile . The best lumber can easily be ruined by careless ...
... pile ; otherwise , the timbers will be warped . Finally , a temporary roof should be constructed over each pile , the roof projecting a foot or two over the sides and ends of the pile . The best lumber can easily be ruined by careless ...
Outras edições - Ver tudo
Handbook of Building Construction: Data for Architects, Designing and ... George A. Hool,Nathan C. Johnson Visualização integral - 1920 |
Handbook of Building Construction: Data for Architects, Designing and ... George A. Hool,Nathan Clarke Johnson Visualização integral - 1920 |
Handbook of Building Construction: Data for Architects, Designing and ... George A. Hool,Nathan C. Johnson Visualização integral - 1920 |
Palavras e frases frequentes
ammonia amount amperes architect average bars boiler brick building calcined candle power capacity cement circuit coat color column compressive compressive strength concrete connection construction contract contractor cost diameter door drain elastic limit electric elevator engine estimated feet finish fixtures floor flue foot foot-candles gage glass grade gray iron gypsum heat hydrated lime illumination inches installed iron joints lamp lath length less light lime limestone load machine manufacture material metal method mortar motor operation outlet paint pile pipe placed plaster plumbing Portland cement pounds pressure proper pump quantity radiation reciprocating engine reinforced roof sand sewer sheet specific gravity specifications square standard steam steel stone strength structural stucco surface Table tank temperature tensile strength terra cotta thickness tile timber trap usually vacuum valve velocity vent wall weight width wire wood
Passagens conhecidas
Página 1390 - Portland cement is the product obtained by finely pulverizing clinker produced by calcining to incipient fusion an intimate and properly proportioned mixture of argillaceous and calcareous materials, with no additions subsequent to calcination excepting water and calcined or uncalcined gypsum.
Página 1398 - If the percentage of elongation of any tension test specimen is less than that specified in Sec. 8(a) and any part of the fracture is outside the middle third of the gage length, as indicated by scribe scratches marked on the specimen before testing, a retest shall be allowed.
Página 1390 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment, and in a suitable weather-tight building which will protect the cement from dampness.
Página 1398 - The inspector representing the purchaser shall have free entry, at all times while work on the contract of the purchaser is being performed, to all parts of the manufacturer's works which concern the manufacture of the material ordered.
Página 1242 - place of employment," shall mean and include every place, whether indoors or out, or underground, and the premises appurtenant thereto where either temporarily or permanently any industry, trade or business, is carried on, or where any process or operation, directly or indirectly related to any industry, trade or business, is carried on, and where any person is directly or indirectly employed by another for direct or indirect gain or profit but shall not include any place where persons are employed...
Página 891 - In cases where timbers do not contain the pith and it is impossible to locate it with any degree of accuracy, the same inspection shall be made over 3...
Página 890 - ... and is so fixed by growth or position that it will retain its place in the piece.
Página 1392 - If any test specimen shows defective machining or develops flaws, it may be discarded and another specimen substituted. (c) If the percentage of elongation of any tension test specimen is less than that specified in Section 5 (a) and any part of the fracture is more than % in.
Página 1393 - Section 4, which represent rejected material, shall be preserved for two weeks from the date of the test report. In case of dissatisfaction with the results of the tests, the manufacturer may make claim for a rehearing within that time.
Página 1062 - Work, and will endeavor to guard the Owner against defects and deficiencies in the Work of the Contractor.