IX. SUMMARY 



The revetment types presented cover a wide range of traditional 

 designs and new, untested designs. If an untested design is selected 

 for a particular project of significant size, model studies or a proto- 

 type test section should be undertaken to provide sufficient data to 

 design the structure. 



The optimum revetment should be rough and permeable to reduce wave 

 runup, and reflection, and flexible to prevent failure during settlement. 

 However, revetments that do not meet these requirement are still adequate 

 when properly designed for a specific site. 



Success of any revetment will depend on an accurate evaluation of 

 wave conditions, and the prediction of beach changes after construction. 

 It is recommended that a site-adapted design be made by a qualified 

 coastal engineer. 



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