A Treatise on the Principles and Practice of Dock EngineeringCharles Griffin, 1904 - 645 Seiten |
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Seite 64
... inch in 10 blows of a 20 - cwt . ram falling 10 feet , as evidence of sufficient driving , or , in other words , an ... inches . H = Fall of ram in feet . L = Length of pile in feet . = P Maximum load in lbs . D = Depression of the pile ...
... inch in 10 blows of a 20 - cwt . ram falling 10 feet , as evidence of sufficient driving , or , in other words , an ... inches . H = Fall of ram in feet . L = Length of pile in feet . = P Maximum load in lbs . D = Depression of the pile ...
Seite 65
... inch from the final blow of the ram in each case . Sectional area of pile = 100 square inches : - Safe Load in Lbs . Rankine . Saunders . Trautwine . Haswell . 46,609 1,000 lbs . falling 20 feet , 66,425 47,680 60,000 7,768 23,840 2,000 ...
... inch from the final blow of the ram in each case . Sectional area of pile = 100 square inches : - Safe Load in Lbs . Rankine . Saunders . Trautwine . Haswell . 46,609 1,000 lbs . falling 20 feet , 66,425 47,680 60,000 7,768 23,840 2,000 ...
Seite 84
... inches and the stroke 4 feet 5 inches . The hydraulic working pressure at Hull was 700 lbs . per square inch , which afforded a maximum cutting force , allowing for friction , of about 12 tons . The capacity of the bucket was 1 cubic ...
... inches and the stroke 4 feet 5 inches . The hydraulic working pressure at Hull was 700 lbs . per square inch , which afforded a maximum cutting force , allowing for friction , of about 12 tons . The capacity of the bucket was 1 cubic ...
Seite 86
... inch to 2 inches in diameter , and the depth varies , of course , according to circumstances . For blasting purposes from 2 to 4 feet will suffice . The rate of drilling depends upon the nature of the material , but may be taken between ...
... inch to 2 inches in diameter , and the depth varies , of course , according to circumstances . For blasting purposes from 2 to 4 feet will suffice . The rate of drilling depends upon the nature of the material , but may be taken between ...
Seite 105
... inches wide by inch in thickness . The former method is of greater service for maintaining the regularity of the piles in driving . Skin dams need not necessarily be piled . A method very successfully practised at Liverpool ( fig . 160 ) ...
... inches wide by inch in thickness . The former method is of greater service for maintaining the regularity of the piles in driving . Skin dams need not necessarily be piled . A method very successfully practised at Liverpool ( fig . 160 ) ...
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Häufige Begriffe und Wortgruppen
acres angle angle of repose Ardrossan ballast basin blocks bottom Branch Dock bucket caisson cast-iron centre of gravity chamber clay cofferdam compression concrete connected considerable constructed crane cubic yards culvert cylinder deck deposited depth diameter discharge docks dredger dredging durable engineer entrance excavated face feet 6 inches feet long feet wide floating floor foot foundation friction gates girders granite graving Graving Dock greenheart Greenock Harbour heel-post high water horizontal Huskisson Dock hydraulic Inst jetties length lifting lime Liverpool load lock low water lower machine Marseilles masonry material metal outer pair piers piles pipe pivot plates port Portland cement pressure Proc pumping quay wall quoin resultant river rollers rubble sand sheds ships side sill sluice span spring tides steam steel stone stress surface swing bridge thickness tidal tidal basin timber tons vertical vessels voussoirs watertight weight width wrought iron
Beliebte Passagen
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