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Mesures électrochimiques appliquées á l'étude de la protection cathodique des ouvrages de la Rance
Oceanographic Abstracts
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LEGRANI) R. and M. LAMBERT, 1962. Mesures 61ectrochimiques appliqu6es ~- l'6tude de la protection cathodique des ouvrages de la Rance. M~m. et Tray., Soc. Hydrolechn., France, Suppl. to Vol. 1, 1962: 65-81. Rappel des principes th6oriques de la protection cathodique. R6sultats des essais entrepris pour d6terminer les caract6ristiques des alliages inoxydables places darts des conditions 61ectrochimiques voisines de celles qui leur seront impos6es in situ, soit it cause des imp6ratifs de construction, soit sous l'influence de la protection cathodique. Comparaison avec les mesures effectudes sur le groupe de Saint-Ma[o. Conclusions pratiques. A review of the theoretical principles of cathodic protection. Results of tests carried out to determine the characteristics of stainless alloys under similar electro-chemical conditions to those likely to affect them on the site, either, due to constructional requirements or to cathodic protection. Comparison of these results with measured data from the Saint-Mato unit. Practical conclusions.
LICHI~IRONS., 1962. La lutte contre la corrosion du materiel des usines mar~motrices. M&n. et Tray., Soc. Hy&otechn., France, Suppl. Vol. 1, 1962: 52-64. Recherches entreprises par Electricit6 de France depuis 1955 sur les lieux m~mes du futur ~arrage de la Rancc, sur la protection du mat6riel des usines mar6motrices contre la corrosion par l'eau de mer ou l'atmosph,Sre saline : - - Etude des comportements des re\getements anticorrosifs exposes i~ l'immersion prolong+e, il l'immersion-dmersion, /~ l'air marin; Comportement de diverses nuances d'aciers inoxydables ct de bronze d'aluminium "a t'eau de mer. Essais effectuds, rdsultats obtenus et confirmds par le comportement d'un groupe industriel mis en service en octobre 1959. Research carried out bv Electricit6 de France at the site of the future Rance barrage since 1955 has been concerned witl~ the problem of protecting tidal plant equipment against the corrosixe action of sea air and sa!t water. The following work has been carried out : (i) A study of the behaviour of various anticorrosive covering during prolonged inunersion or immersion followed by emersion, and when exposed to the sea air; (ii) A study of the resistance of \arious grades of stainless steel and aluminium bronze to sea water corrosion. The results of the tests were subsequently confirmed by experience with a prototype unit, which has now been operating since 1959. LEONT'rEVA V. V., 1962. Hydrological studies of oceanic trenches of the Pacific Ocean and some problems of further research. Mezhd. Geofiz. Komitet, Prezidiume Akad. Nauk SSSR, Rezt,lt. lssh,d. Pro:rramme Mezhd. Geofiz. Goda, Ol,eanM. Issh, d., 5 : 31-42, Information on the history of oceanographic imestigations in the Pacific Ocean abyssa! trenches is given. Temperature, salinity and depth data are presented. Available hydro!ogical data are thoroughly analysed. A survey of a number of works on hydrological and hydrochemical regimes of the trenches is made. The aulhor considers some works which pro,~e the danger of the burial of radioactixe ~astes in the trenches owing to considerable mobilily of the abyssal waters. LtNKEYS G. E. and A. D. HASLER, 1962. Movemer~ts of radiosodium (Na 24) within ~m icecovered lake. Limr, ol. and Oceanogr., 7 (1): 48- 56. Sodium 24 was transported horizontally a maxil'~ltnn distance c~f 15-20 m during the first 24 hr of replicated experiments conducted during January of 1960 and 1961 in a small ice-covered lake in northwestern Wisconsin. Subsequent horizontal displacement was somewhat slower but reached a maximum distance of almost 30 m from the release point in 3 days. The dispersal pattern was asymmetrical and different in each of the two experiments. Results indicated that some vertical movement occurred during the experimental periods but was of very low velocity. A crushing device was described for releasing the radioactive solution in deep water. In addition a ' portable " scintdkttion counting system was developed for measuring radioactivity within the lake. LISITSTN A. P., 1962. Distribution and contents of suspensions of the Indian Ocean watels. Communication. 3. Comparison of granulometric contents of suspensions and bottom sediments. &h'zhd. Geojiz. Komitet, Prezidiume ,4kad. Nard,., SSSR, Rezult. l.~.sh,d. Proeramn:e M,'zt;d. GenS:. Goda, Okeanol. Issled., 5: 130-139. A great amount of fine matter suspended in the thick of the water was gathered wilh the aid of powerful separators in the southern and central parts of the Indian Ocean. Granulometric contents of the suspended matter and of the bottom sediments were studied by the same methods in order to find out whether there is a similarity between the two and what are the changes of the granulometric contents of the suspensions and of the sediments in different zones of the Ocean.
1[ I
LEGRANI) R. and M. LAMBERT, 1962. Mesures 61ectrochimiques appliqu6es ~- l'6tude de la protection cathodique des ouvrages de la Rance. M~m. et Tray., Soc. Hydrolechn., France, Suppl. to Vol. 1, 1962: 65-81. Rappel des principes th6oriques de la protection cathodique. R6sultats des essais entrepris pour d6terminer les caract6ristiques des alliages inoxydables places darts des conditions 61ectrochimiques voisines de celles qui leur seront impos6es in situ, soit it cause des imp6ratifs de construction, soit sous l'influence de la protection cathodique. Comparaison avec les mesures effectudes sur le groupe de Saint-Ma[o. Conclusions pratiques. A review of the theoretical principles of cathodic protection. Results of tests carried out to determine the characteristics of stainless alloys under similar electro-chemical conditions to those likely to affect them on the site, either, due to constructional requirements or to cathodic protection. Comparison of these results with measured data from the Saint-Mato unit. Practical conclusions.
LICHI~IRONS., 1962. La lutte contre la corrosion du materiel des usines mar~motrices. M&n. et Tray., Soc. Hy&otechn., France, Suppl. Vol. 1, 1962: 52-64. Recherches entreprises par Electricit6 de France depuis 1955 sur les lieux m~mes du futur ~arrage de la Rancc, sur la protection du mat6riel des usines mar6motrices contre la corrosion par l'eau de mer ou l'atmosph,Sre saline : - - Etude des comportements des re\getements anticorrosifs exposes i~ l'immersion prolong+e, il l'immersion-dmersion, /~ l'air marin; Comportement de diverses nuances d'aciers inoxydables ct de bronze d'aluminium "a t'eau de mer. Essais effectuds, rdsultats obtenus et confirmds par le comportement d'un groupe industriel mis en service en octobre 1959. Research carried out bv Electricit6 de France at the site of the future Rance barrage since 1955 has been concerned witl~ the problem of protecting tidal plant equipment against the corrosixe action of sea air and sa!t water. The following work has been carried out : (i) A study of the behaviour of various anticorrosive covering during prolonged inunersion or immersion followed by emersion, and when exposed to the sea air; (ii) A study of the resistance of \arious grades of stainless steel and aluminium bronze to sea water corrosion. The results of the tests were subsequently confirmed by experience with a prototype unit, which has now been operating since 1959. LEONT'rEVA V. V., 1962. Hydrological studies of oceanic trenches of the Pacific Ocean and some problems of further research. Mezhd. Geofiz. Komitet, Prezidiume Akad. Nauk SSSR, Rezt,lt. lssh,d. Pro:rramme Mezhd. Geofiz. Goda, Ol,eanM. Issh, d., 5 : 31-42, Information on the history of oceanographic imestigations in the Pacific Ocean abyssa! trenches is given. Temperature, salinity and depth data are presented. Available hydro!ogical data are thoroughly analysed. A survey of a number of works on hydrological and hydrochemical regimes of the trenches is made. The aulhor considers some works which pro,~e the danger of the burial of radioactixe ~astes in the trenches owing to considerable mobilily of the abyssal waters. LtNKEYS G. E. and A. D. HASLER, 1962. Movemer~ts of radiosodium (Na 24) within ~m icecovered lake. Limr, ol. and Oceanogr., 7 (1): 48- 56. Sodium 24 was transported horizontally a maxil'~ltnn distance c~f 15-20 m during the first 24 hr of replicated experiments conducted during January of 1960 and 1961 in a small ice-covered lake in northwestern Wisconsin. Subsequent horizontal displacement was somewhat slower but reached a maximum distance of almost 30 m from the release point in 3 days. The dispersal pattern was asymmetrical and different in each of the two experiments. Results indicated that some vertical movement occurred during the experimental periods but was of very low velocity. A crushing device was described for releasing the radioactive solution in deep water. In addition a ' portable " scintdkttion counting system was developed for measuring radioactivity within the lake. LISITSTN A. P., 1962. Distribution and contents of suspensions of the Indian Ocean watels. Communication. 3. Comparison of granulometric contents of suspensions and bottom sediments. &h'zhd. Geojiz. Komitet, Prezidiume ,4kad. Nard,., SSSR, Rezult. l.~.sh,d. Proeramn:e M,'zt;d. GenS:. Goda, Okeanol. Issled., 5: 130-139. A great amount of fine matter suspended in the thick of the water was gathered wilh the aid of powerful separators in the southern and central parts of the Indian Ocean. Granulometric contents of the suspended matter and of the bottom sediments were studied by the same methods in order to find out whether there is a similarity between the two and what are the changes of the granulometric contents of the suspensions and of the sediments in different zones of the Ocean.