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Zaštita materijala
2013, vol. 54, br. 3, str. 207-215
jezik rada: engleski
vrsta rada: pregledni članak

Nedestruktivne metode za utvrđivanje korozije armature u betonima
Univerzitet u Nišu, Građevinsko-arhitektonski fakultet

Projekat

Istraživanje mogućnosti primene otpadnih i recikliranih materijala u betonskim kompozitima, sa ocenom uticaja na životnu sredinu, u cilju promocije održivog građevinarstva u srbiji (MPNTR - 36017)

Sažetak

Korozija je rezultat reakcije između materijala i njegove okoline. Korozija armaturnih čelika može se pojaviti pod određenim uslovima u armirano betonskim konstrukcijama. Kombinacija betona i armature smatra se optimalnom, ali praksa je pokazala na nedovoljnu trajnost tih struktura. Često je glavni činilac nedovoljne trajnosti armirano betonskih struktura korozija armature u betonu. Obezbeđivanje sigurnosti konstrukcije, to jest, redovno održavanje i blagovremene popravke zahtevaju primenu efikasnih tehnika za praćenje i kontrolu korozije armature u betonu. Ove metode treba da omoguće identifikaciju stepena oštećenja i na taj način ukažu na ozbiljnost problema u trenutku inspekcije. Ovaj rad daje prikaz različitih nedestruktivnih metoda detekcije i praćenja napretka procesa korozije armature u betonu, s naglaskom na metode koje koriste Canin aparata. Princip metode se zasniva na merenju električnog potencijala koji se detektuje na površini betona, a koji je nastao kao rezultat elektro-hemijskog procesa korozije armature.

Ključne reči

korozija armature; monitoring; metode bez razaranja; CANIN

Reference

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