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Korozija prednapetog čelika

Authors: Bjegović, Dubravka; Hadzima-Nyarko, Marijana;

Korozija prednapetog čelika

Abstract

U posljednjih pedesetak godina najviše se grade konstrukcije od armiranog i prednapetog betona jer su u mnoštvu primjera povoljnije u ekonomskom, funkcionalnom i estetskom pogledu. One se grade jer se beton smatrao trajnim gradivom koje treba malo ili nikakvo održavanje. Međutim, ipak veliki broj ovih građevina danas pokazuje manja ili veća oštećenja, a u ovom radu će biti opisana oštećenja uslijed pojave i djelovanja korozije. Osim opisanih procesa nastajanja korozije čelika za armiranje, bit će opisani uzroci nastanka korozije prednapetog čelika. Problem propadanja zbog procesa korozije prednapetog čelika je vrlo ozbiljan i ima velike ekonomske posljedice. U posebnom će poglavlju na nekoliko primjera biti opisane posljedice djelovanja korozije. Veliki napori se ulažu u sprečavanju djelovanja korozije na prednapete konstrukcije. U zadnjem dijelu rada su opisane mjere zaštite od djelovanja korozije koje bi se trebale poštivati u cilju produljivanja uporabnog vijeka konstrukcija.

Keywords

korozija, stress corrosion cracking, korozijsko raspucavanje uz naprezanje, corrosion, prednapeti čelik, prestressed steel

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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