"Problems de Defense des Cotes Pesussite de 5409GR0003 



Echecs de Quelques Ouvrages" 

 Dreyfous-Ducas , M. , Proceedings of Fifth 

 Conference on Coastal Engineering , Council 

 on Wave Research of the Engineering Founda- 

 tion, Sept., 1954, pp. 495-513. (TC203 .C6) 



Translated Title: "Sea-Defense Problems -- Success and 

 Failure of Some Structures." 



The author analyzes reasons of success or failure of various 

 sea defense works. Groins and breakwaters built since 1830 in 

 southwest France are discussed. For groins low permeability is 

 desirable, while long groins are undesirable. (Text is not trans- 

 lated.) 



Key Words - 1800-1900/1900-1949/1950-1954/Europe/Permeable/Long/ 

 Impermeable/ 



"Les Ouvrages de Defense Centre la Mer Sur 5409GR0004 



la Cote Francaise de L' Ocean Entre la Loire 



et la Gironde" 



Blondeau, M. , and Baste, M., Proceedings of 



Fifth Conference on Coastal Engineering , 



Council on Wave Research of the Engineering 



Foundation, Sept., 1954, pp. 514-554. 



(TC203 .C6) 



Translated Title: "Sea-Defence Works of the \tlantic Coast 

 between the Loire and Gironde." 



Among the various shore protection structures, groins, their 

 purpose and type of groins found along the coast between Loire and 

 Gironde are discussed. (Text is not translated.) 



Key Words - Timber/Concrete/Misc-materials/Adjustable/Field/ 



"Observations on the Travel of Shore Material 5409GR0005 



Along a Chalk Foreshore" 



Coultas, H. W. , Proceedings of Fifth Conference 

 on Coastal Engineering , Council on Wave Re- 

 search of the Engineering Foundation, Sept., 1954, 

 pp. 381-382. Abstract. (TC203 .C6) 



Groins are discussed in an abstract of a paper published in 

 1920 in the Journal of the Institution of Municipal and County 



60 



