dam ~ x 



PIERS AT HOOK OF HOLLAND 



20 / A5FALT BIT. & %3 

 Pourmp asphafr j 1QO/ FluueR . 



Set and dumped stone 



floor for the 

 Construction of 

 asphalt mattress. 



70% SAND 



G H.W. = O.88 + 



Set stone (basalt or granite) 



G.LW = 07i 



Figure 20. Reinforcement of the offshore sections of the piers at 

 Hook of Holland. 



56 



