000013284 001__ 13284
000013284 005__ 20161114160334.0
000013284 04107 $$aeng
000013284 046__ $$k2009-06-22
000013284 100__ $$aNgo-Tran T., L.
000013284 24500 $$aEffect of bump at expansion joint on dynamic response of twin i-girder bridges under moving vehicle

000013284 24630 $$n2.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000013284 260__ $$bNational Technical University of Athens, 2009
000013284 506__ $$arestricted
000013284 520__ $$2eng$$aBump-related vibration problems have been commonly recognized. However, no unified engineering solutions have found, primarily because of the number and complexity of the factors involved. This paper tries to establish correlations of bump heights, roughness classes, vehicle speeds with dynamic amplification factors of a simply supported twin I-girder bridge by analytical analyses. Elaborate three-dimensional finite element models are generated to deal with the bridge-vehicle interaction dynamics. The studied bridge is idealized in detail with solid and shell elements for concrete deck and steel members, respectively. A detailed nonlinear 3-D vehicle model, which is capable to account for the effects of bouncing, rolling, pitching of vehicle body as well as separating between tires and road surface, is developed according to AASHTO three-axle design truck HS20-44. Correlated road surface roughness profiles are used in combination of bumps at the entrance expansion joint.

000013284 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000013284 653__ $$aTwin I-girder Bridge, Bridge-vehicle Interaction, Dynamic Amplification Factor, Finite Element, Bumps. Abstract. Bump-related vibration problems have been commonly recognized. However, no unified engineering solutions have found, primarily because of the number and complexity of the factors involved. This paper tries to establish correlations of bump heights, roughness classes, vehicle speeds with dynamic amplification factors of a simply supported twin I-girder bridge by analytical analyses. Elaborate three-dimensional finite element models are generated to deal with the bridge-vehicle interaction dynamics. The studied bridge is idealized in detail with solid and shell elements for concrete deck and steel members, respectively. A detailed nonlinear 3-D vehicle model, which is capable to account for the effects of bouncing, rolling, pitching of vehicle body as well as separating between tires and road surface, is developed according to AASHTO three-axle design truck HS20-44. Correlated road surface roughness profiles are used in combination of bumps at the entrance expansion joint.

000013284 7112_ $$aCOMPDYN 2009 - 2nd International Thematic Conference$$cIsland of Rhodes (GR)$$d2009-06-22 / 2009-06-24$$gCOMPDYN2009
000013284 720__ $$aNgo-Tran T., L.$$iHayashikawa, T.$$iMatsumoto, T.$$iHe, X.
000013284 8560_ $$ffischerc@itam.cas.cz
000013284 8564_ $$s986403$$uhttps://invenio.itam.cas.cz/record/13284/files/CD424.pdf$$yOriginal version of the author's contribution as presented on CD, section: Numerical simulation for structural dynamics.
000013284 962__ $$r13074
000013284 980__ $$aPAPER