422 



INDEX. 



Circular dam, Portsmouth, 73 

 Classification of floating docks, 292 

 Class of docks, 2, 4 

 Clay puddle, 385 



, thickness of, 38 



Closed basins, 10 

 Closing entrances, 217 

 Coffer-dam at Middle Level, 49 



at Dublin, 54 



Composite piling, 393 

 Composition of sea-water salts, 379 

 Conditions affecting design of floating 



docks, 293 



Corrosive sublimate, 349 

 Cost of caissons, 369 



dams, 366 



dock gates, 367 



docks and locks, 360, 361 



- dredging, 369 



floating docks, 365 



wharf walls, 361 



works per acre, 359 



Counterforts, 108 



Cracks in floor of docks, 167 



Creosote, 349 



, country oils, 350 



, London oils, 350 



, Scotch oils, 350 



Creosoting, practice on Eastern Kailway 



of France, 356 



, New Zealand Railways, 357 



Curved batter to walls, 109 

 Cylinder foundations, friction on, 387 

 Cylinders used at Glasgow, 129 



D 



Dam at Alexandra Dock, Hull, 61 



Amsterdam Canal, 66 



Avonmouth Dock, 53 



Birkenhead, 56 



Esquimau Dock, 64 



Limerick, 76 



Victoria Dock, Hull, 59 

 Dams, 36 



constructed of iron, 42 



, cost of, 366 



, double rows of piles connecting, 38 



of single rows of timbers, 40 



, risk of floating, 40 



, timber, on the Thames, 45 



Danube improvement, 135 

 Defective pile heads, 397 



Depositing dock, 300 

 Deposits, 267 

 Destruction of timber, 344 

 Disadvantages of rollers for gates, 228 

 Displacement of ground by piles, 392 

 Dock and quay walls, 104 



, depth of water alongside, 111 

 Dock area, relation of, to sectional area 



of entrance, 12 

 Dock at Blackwall, 179 



Esquimalt, 213 



Genoa, 171 



Glasgow, 205 



Leghorn, 199 



Toulon, 183 



Wivenhoe, 177 



Dock gates, cost of, 367 

 Docks, advantages of, 3 



at Calais, 191 



, classes of, 4 



constructed of timber, 186 



, cost of, 361 



, floating, 3 



, location of, 4 



Double-power dock, 303 



Drags for removing shoals, 276, 277 



Dredging appliances, 339 



, cost of, 369 



, effective time, 342 



, variation of quantities, 341 



Drift bolts in timber, 382 

 Dry docks, 3, 162 

 Dublin coffer-dam, 54 



quay walls, 146 



Dunkirk dock gates, 231 



entrance channel, sluicing, 273 



Durability of floating docks, 293 

 Duration of scouring, 270 



E 



Early notes, 1 



East and West Docks, Cardiff", 19 



Effect of hydrostatic pressure on walls, 



110 

 Embankment at Chatham, 76 



at Calais, 77 



Embankments, 28, 36, 37 



Entrance, principles governing design 



of, 5 



, position of, 11 



, sectional area of, 12 



Equipment, 404 

 Esquimalt caisson, 260 



