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are emphasized by detailed coverage of their properties. Synthetic materials 

 used for geotextiles are described in detail also. 



The report describes the effects of common forces encountered in the coastal 

 environment on the materials' design properties. The effects of material place- 

 ment, joining, and repair methods and of treatments to prolong design life are 

 also presented. The report discusses in detail the impregnation of wood with 

 preservatives and the cathodic protection and coating of metals. Example proj- 

 ects illustrate the use of the materials in breakwaters, jetties, groins, sea- 

 wells, bulkheads, revetments, and harbor piers and wharves. 



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