Sekundarni jezik: |
Angleški jezik |
Sekundarni naslov: |
Analytical and experimental studies of seismic response of an existing viaduct |
Sekundarni povzetek: |
The purpose of this thesis was to determine the difference between tipical viaduct designed in
accordance with EC8/2 and existing viaduct which is supported with I shaped pillars. That is why we
designed the existing viaduct considering all demands made by EC8/2. The comparison showed that
the longitudinal reinforcement between the designed and the existing viaduct is very similar. Bigger
differences are preseneted in the transverse reinforcement. The amount of the transverse
reinforcement is more than twice smaller than the amount, demanded by EC8/2. In addition, some
details of the transverse reinforcement are unsuitable. Cyclic experimental research, that was made in
cooperation with Slovenian National Building and Civil Engineering Institute, showed that the
transverse reinforcement, which was used in pillars of existing viaduct, is not able to prevent the
buckling of the longitudinal reinforcement bars. The response of the viaduct, designed in accordance
with EC8/2, was estimated with approximative nonlinear static analysis named N2 method. |
Sekundarne ključne besede: |
graduation thesis;seismic response;viaduct;ductility of reinforced;concrete pillar;experiment;pillar; |
Vrsta datoteke: |
application/pdf |
Vrsta dela (COBISS): |
Diplomsko delo |
Komentar na gradivo: |
Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo |
Strani: |
XII, 90 str., 2 pril. |
Vrsta dela (ePrints): |
thesis |
Naslov (ePrints): |
Analytical and experimental studies of seismic response of an existing viaduct |
Ključne besede (ePrints): |
potresna analiza;viadukt;duktilnost stebrov;EC 8/2;nelinearna analiza;eksperiment;stebri viadukta |
Ključne besede (ePrints, sekundarni jezik): |
seismic response;viaduct;ductility of reinforced concrete pillar;experiment;pillar |
Povzetek (ePrints): |
Namen naloge je bil ugotoviti, kakšna je razlika med tipičnim viaduktom, projektiranim po standardu
EC8/2, in obstoječim tipičnim viaduktom, podprtim s stebri I prerezov. Zato je bil obstoječi viadukt
projektiran upoštevajoč vse zahteve standarda. Izkazalo se je, da je vzdolţna armatura stebrov
obstoječega viadukta in tistega, projektiranega po EC8/2 podobna, prečna armatura pa se bistveno
razlikuje. Količina prečne armature je več kot 2-krat manjša od tiste, ki jo zahteva standard,
konstrukcijski detajli pa ravno tako niso v skladu z zahtevami standarda. Ciklična eksperimentalna
preiskava, narejena v sodelovanju z Zavodom za gradbeništvo Slovenije (ZAG), je pokazala, da je
prečna armatura v stebrih obstoječega viadukta pomanjkljiva, predvsem glede preprečitve uklona
vzdolţnih armaturnih palic. Potresni odziv viadukta, projektiranega v skladu z EC8/2, je bil ocenjen
tudi s pomočjo pribliţne nelinearne statične analize z N2 metodo. Izkazalo se je, da pri projektnem
potresu lahko pričakujemo razmeroma majhno plastifikacijo stebrov v vzdolţni smeri viadukta, v
prečni smeri pa le omejeno razpokanost stebrov, saj je nosilnost stebrov v prečni smeri zaradi drugih
konstrukcijskih zahtev razmeroma velika. |
Povzetek (ePrints, sekundarni jezik): |
The purpose of this thesis was to determine the difference between tipical viaduct designed in
accordance with EC8/2 and existing viaduct which is supported with I shaped pillars. That is why we
designed the existing viaduct considering all demands made by EC8/2. The comparison showed that
the longitudinal reinforcement between the designed and the existing viaduct is very similar. Bigger
differences are preseneted in the transverse reinforcement. The amount of the transverse
reinforcement is more than twice smaller than the amount, demanded by EC8/2. In addition, some
details of the transverse reinforcement are unsuitable. Cyclic experimental research, that was made in
cooperation with Slovenian National Building and Civil Engineering Institute, showed that the
transverse reinforcement, which was used in pillars of existing viaduct, is not able to prevent the
buckling of the longitudinal reinforcement bars. The response of the viaduct, designed in accordance
with EC8/2, was estimated with approximative nonlinear static analysis named N2 method. |
Ključne besede (ePrints, sekundarni jezik): |
seismic response;viaduct;ductility of reinforced concrete pillar;experiment;pillar |
ID: |
8312455 |