A Treatise on the Principles and Practice of Dock EngineeringC. Griffin, 1922 - 600 Seiten |
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Ergebnisse 1-5 von 54
Seite ix
... LIFTING BRIDGES SWING BRIDGES LEAF BRIDGES STRESSES IN MOVABLE BRIDGES CASE OF THE DOUBLE CANTILEVER - CASE OF THE CANTILEVER AND BEAM - CASE OF THE ARCH CASE OF THE CONTINUOUS BEAM - THE THEOREM OF THREE MOMENTS- EFFECT OF COUNTERPOISE ...
... LIFTING BRIDGES SWING BRIDGES LEAF BRIDGES STRESSES IN MOVABLE BRIDGES CASE OF THE DOUBLE CANTILEVER - CASE OF THE CANTILEVER AND BEAM - CASE OF THE ARCH CASE OF THE CONTINUOUS BEAM - THE THEOREM OF THREE MOMENTS- EFFECT OF COUNTERPOISE ...
Seite 57
... lifting the weight . A hook or trigger at the end of the lifting chain engaged in a staple in the head of the monkey , and was released by pulling a counter - weighted lever . The chain had to be lowered after each blow . The ...
... lifting the weight . A hook or trigger at the end of the lifting chain engaged in a staple in the head of the monkey , and was released by pulling a counter - weighted lever . The chain had to be lowered after each blow . The ...
Seite 61
... lifting again . The monkey is of the ordinary kind , with an upper planed surface . The magnet is connected by wires to the motor on the winch . The illustration ( fig . 27 ) is of one manufactured by the New Southgate Engineering Co ...
... lifting again . The monkey is of the ordinary kind , with an upper planed surface . The magnet is connected by wires to the motor on the winch . The illustration ( fig . 27 ) is of one manufactured by the New Southgate Engineering Co ...
Seite 66
... lifting capacity up to 200 tons . That supplied by the British Steel Piling Company consists of two inverted hydraulic jacks , each of which will exert a pull of 100 tons , actuated either by power - driven , hydraulic , or hand pumps ...
... lifting capacity up to 200 tons . That supplied by the British Steel Piling Company consists of two inverted hydraulic jacks , each of which will exert a pull of 100 tons , actuated either by power - driven , hydraulic , or hand pumps ...
Seite 74
... Lifting , 10 feet ; crab travel , 50 feet ; main travel , 60 feet per minute . The weight of the machine in working order is 216 tons . * The Titan is also an overhead traveller , but on the cantilever principle , which admits of rotary ...
... Lifting , 10 feet ; crab travel , 50 feet ; main travel , 60 feet per minute . The weight of the machine in working order is 216 tons . * The Titan is also an overhead traveller , but on the cantilever principle , which admits of rotary ...
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acres angle angle of repose ballast Bascule Bridge basin blocks bottom Branch Dock bucket caisson capstans cast-iron centre of gravity chamber clay cofferdam compression connected constructed cost cranes cubic yards culverts cwts cylinder deck depth diameter discharge dredger dredging engine entrance excavated face feet 6 inches feet long feet wide floating floating dock floor foundation friction gates girders granite graving dock greenheart Greenock Harbour high water horizontal hydraulic inches Inst jetties length lifting Liverpool load lock longitudinal low water machine Marseilles masonry material metal outer piers pipe pivot PLATE pontoon port Portland cement pressure Proc pumping quay wall river rollers rubble sand shed ship side walls sill slipway sluice span square inch steam steel stress surface swing bridge tidal tidal basin tide timber tons vertical vessels watertight weight wharf width wrought iron