National Building and Civil Engineering Institute, Lj (ZAGLJ)
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Spremljanje napredovanja poškodb upogibno obremenjenih armiranobetonskih elementov z analizo akustične emisije = Monitoring of damage propagation in flexurally loaded reinforced concrete elements by means of acoustic techniqueBajt, Žiga ; Legat, Andraž ; Šelih, JanaV članku predstavljamo rezultate raziskav analize akustične emisije (AE), s katerimi smo želeli oceniti uporabnost te metode za zaznavanje in spremljanje napredovanja poškodb betonskih elementov. V ... sklopu opravljenih preskusov smo vlaboratoriju upogibno obremenjevali betonsker, armiranobetonske in prednapete gradbene elemente do porušitve, proces pokanja med obremenjevanjem pa smo spremljali z metodo AE. Na betonskih in armiranobetonskih prizmah smo na podlagi izmerjenih signalov uspeli zaznati pojav prve razpoke v betonu, še preden je bila vidna s prostim očesom. Med cikličnim upogibnim preskusom prednapetega mostnega nosilca smo z analizo AE uspeli detektirati nivo obremenitve predhodnega obremenilnega cikla ter določiti obremenitev, pri kateri so se v elementu začele pojavljati poškodbe. Dobljeni rezultati kažejo, da je analiza AE obetavna metoda za zgodnje odkrivanje razpok na betonskih gradbenih elementih. Največji potencial za uporabo v gradbeništvu ima metoda pri sledenju stanja in napredovanja poškodovanosti gradbenih objektov med njihovo življenjsko dobo.Source: Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije. - ISSN 0017-2774 (Let. 54, št. 4, 2005, str. 95-102)Type of material - article, component partPublish date - 2005Language - slovenianCOBISS.SI-ID - 1035367
Author
Bajt, Žiga |
Legat, Andraž |
Šelih, Jana
Topics
akustična emisija |
neporušne metode |
pokanje |
armiranobetonske konstrukcije |
upogibni preskus |
gradbeništvo
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source: Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije. - ISSN 0017-2774 (Let. 54, št. 4, 2005, str. 95-102)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Bajt, Žiga | 21218 |
Legat, Andraž | 08281 |
Šelih, Jana | 09063 |
Source: Personal bibliographies
and: SICRIS
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