CONTENTS 



CHAPTER L 



PAGE 



Early notes Classes of docks Advantages of docks Sites near sea Sites 

 for imperial docks Prevailing wiuds General plan Width of basins 

 Wharfage Jetties Tidal docks Position of entrance Relation of 

 sectional area of entrance to dock area Examples of dock plans . . 1 



CHAPTER IL 



Commencement of works, or opening up Importance of well-considered 

 temporary works Alexandra Dock, Hall Portsmouth Dockyard Exten- 

 sionSouthampton Tidal Dock 28 



CHAPTER III. 



Dams Importance of efficient dams in marine works Embankments 

 Timber dams Leakage Sluice- valves in dams Half-timber sheeting 

 Grooved-and-tongued piling Excessive thickness of clay puddle Dams 

 subject to rise and fall of tide Leaks due to through-bolts Vibration 

 due to pumping Leaks through clay puddle Laminated walings 

 Dams of single rows of piles Timber shield-dam Iron dams Timber 

 dams on Thames Coffer-dams at middle level, Dublin, Birkenhead, 

 Hull, Pola Dock, Esquimalt, Amsterdam Canal, Portsmouth, Limerick, 

 Chatham, Calais / 36 



CHAPTER IV. 



Water in foundations Castings for covering boils Necessity of ample pump- 

 ing power Lock foundations, Albert Docks, Hull Avonmouth Lock 

 , foundations Stopping leaks Somerset Dock, Malta Stock rammirg 

 Stopping joints in block-work . . . 79 



CHAPTER V. 



Dock and Quay walls Angle of repose of different materials Actual lateral 

 pressure of earthwork Experiments made at Chatham Experiments 

 made by Sir B. Baker Use of counterforts Backing to walls Curved 



