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Projektni pospešek tal z upoštevanjem ciljne verjetnosti porušitve = Design ground acceleration by considering target collapse riskŽižmond, Jure ; Dolšek, MatjažProjektiranje objektov na potresno obtežbo po trenutno veljavnih standardih vključuje linearno-elastično analizo, princip redukcije potresnih sil in metodo načrtovanja nosilnosti. Izhodišče za ... projektiranje potresnoodpornih konstrukcij je projektni pospešek tal s povratno dobo 475 let. Evrokod 8 predpostavi, da so konstrukcije projektirane po standardu, varne pred porušitvijo, čeprav pojma varnosti ne opredeli. V članku predlagamo nov postopek za določitev projektnega pospeška tal, ki se ga izračuna iz ciljne verjetnosti porušitve ob upoštevanju predpostavljene vrednosti redukcijskega faktorja, razpršenosti mejnih pospeškov in parametra, s katerim upoštevamo kontinuum potresne nevarnosti. Sledi primer določitve projektnega pospeška tal za osemetažno stavbo, nato pa še kontrola projektiranja na osnovi poenostavljene nelinearne analize, kjer pokažemo, da je zadoščeno predpostavljeni vrednosti redukcijskega faktorja. Ocenjujemo, da je predlagani postopek za izračun projektnega pospeška tal bolj splošen od postopka, ki je predpisan s standardom Evrokod 8. Zato ga lahko uporabimo tudi pri projektiranju pomembnejših objektov, kjer je bistveno bolj utemeljeno izhajati iz tolerirane verjetnosti porušitve objekta in ne iz povratne dobe potresa, kot to določa standard.Source: Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije. - ISSN 0017-2774 (Letn. 64, maj 2015, str. 123-132)Type of material - article, component part ; adult, seriousPublish date - 2015Language - slovenianCOBISS.SI-ID - 7074913
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source: Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije. - ISSN 0017-2774 (Letn. 64, maj 2015, str. 123-132)
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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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Žižmond, Jure | 35408 |
Dolšek, Matjaž | 18793 |
Source: Personal bibliographies
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