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
... steam pile hammer is to be used , a separate 81⁄2 X 10 hoist should be used , and a locomotive type of boiler of about 40 horsepower provided , which will also be large enough to supply steam for a 71⁄2 × 431⁄2 X 10 steam jetting pump ...
... steam pile hammer is to be used , a separate 81⁄2 X 10 hoist should be used , and a locomotive type of boiler of about 40 horsepower provided , which will also be large enough to supply steam for a 71⁄2 × 431⁄2 X 10 steam jetting pump ...
Página 810
... steam hammer will strike from 60 to 70 blows per minute according to size and type , and will keep a pile moving more nearly continuously than will a plain drop hammer . The best results are obtained in the use of steam hammers in ...
... steam hammer will strike from 60 to 70 blows per minute according to size and type , and will keep a pile moving more nearly continuously than will a plain drop hammer . The best results are obtained in the use of steam hammers in ...
Página 811
... steam hammer to strike upward , supporting the whole from a derrick , is also used suc- cessfully . Wooden sheet piles or round piles are pulled by taking several turns around the top of a pile with a heavy chain , or with a wire rope ...
... steam hammer to strike upward , supporting the whole from a derrick , is also used suc- cessfully . Wooden sheet piles or round piles are pulled by taking several turns around the top of a pile with a heavy chain , or with a wire rope ...
Página 812
... steam or compressed air . When water is to be encountered , a system of steel interlocking sheet piling will possibly be chosen . Any type of sheet piling will require bracing to hold it in position , and the proper erection of this ...
... steam or compressed air . When water is to be encountered , a system of steel interlocking sheet piling will possibly be chosen . Any type of sheet piling will require bracing to hold it in position , and the proper erection of this ...
Página 813
... steam shovel and deposited into trucks or cars . 23. Open Caissons . - Caisson excavation may be carried on in the open or by means of locks and compressed air , the latter expedient being adopted only when excessive water condi- tions ...
... steam shovel and deposited into trucks or cars . 23. Open Caissons . - Caisson excavation may be carried on in the open or by means of locks and compressed air , the latter expedient being adopted only when excessive water condi- tions ...
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.