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Potresna analiza armiranobetonskih stavb s poenostavljenimi nelinearnimi modeli = Seismic analysis of reinforced concrete buildings with simplified nonlinear modelsJamšek, Aleš, gradbenik, 1992- ; Dolšek, MatjažV prvem delu prispevka predstavimo izboljšan model ribje kosti (model IFB) za potresno analizo pretežno tlorisno simetričnih okvirnih armiranobetonskih (AB) stavb in razvijemo poenostavljen ... nelinearni model enostavne AB-stenasto-okvirne stavbe, ki poleg modela IFB vključuje še model konzolne stene. Model IFB je glede na konfiguracijo elementov enak osnovnemu modelu ribje kosti, ki je določen s stebrom, na katerega sta v vsaki etaži priključeni še dve gredi. Izboljšava osnovnega modela ribje kosti se nanaša na postopek za določitev lastnosti konstrukcijskih elementov, s katerim lahko na približen način upoštevamo pomembnost konstrukcijskih elementov na potresni odziv stavbe. V drugem delu prispevka analiziramo sposobnost poenostavljenih nelinearnih modelov za potresno analizo. Najprej pokažemo, da je model IFB dovolj natančen za simulacijo etažnih parametrov potresnega odziva štirietažne okvirne ABstavbe, saj so dobljeni rezultati zelo podobni rezultatom psevdo-dinamičnega testa in rezultatom potresne analize, ki smo jo izvedli s konvencionalnim nelinearnim modelom AB-stavbe. Sledi še analiza primernosti poenostavljenih nelinearnih modelov za potisno analizo AB-stavb, pri kateri smo obravnavali štirietažno okvirno stavbo, osemetažno okvirno stavbo in osemetažno stenasto-okvirno stavbo. Ugotovili smo, da so uporabljeni poenostavljeni modeli dovolj natančni za izračun potisnih krivulj in poškodovanosti konstrukcijskih elementov na ravni etaž. Uporaba predstavljenih poenostavljenih nelinearnih modelov je trenutno omejena na potresno analizo tlorisno simetričnih stavb z obtežbo le v eni horizontalni smeri.Source: Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije. - ISSN 0017-2774 (Letn. 68, nov. 2019, str. 268-278)Type of material - article, component partPublish date - 2019Language - slovenianCOBISS.SI-ID - 8973921
Author
Jamšek, Aleš, gradbenik, 1992- |
Dolšek, Matjaž
Topics
model ribje kosti |
poenostavljen nelinearni model |
model MDOF |
armiranobetonska stavba |
psevdo-dinamični test |
potisna analiza |
fish-bone model |
simplified nonlinear model |
MDOF model |
reinforced concrete building |
pseudo-dynamic test |
pushover analysis
source: Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije. - ISSN 0017-2774 (Letn. 68, nov. 2019, str. 268-278)
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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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Jamšek, Aleš, gradbenik, 1992- | 39445 |
Dolšek, Matjaž | 18793 |
Source: Personal bibliographies
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