000012018 001__ 12018
000012018 005__ 20141205160011.0
000012018 04107 $$aeng
000012018 046__ $$k2008-10-12
000012018 100__ $$aWang, Hongze
000012018 24500 $$aSpatial Variability of Near Field Ground Motions and Its Design Implication of Long Extended Lifeline Structures Nearby a Fault

000012018 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000012018 260__ $$b
000012018 506__ $$arestricted
000012018 520__ $$2eng$$aIn the near field of a fault rupture, the difference in amplitude, phase, and frequency content of ground motions over extended area, “spatial variability of ground motions”, may be quite large and has an important effect on the response of extended lifelines such as long viaduct for cars or trains and also buried pipelines for water, gas, and oil etc.. However, the spatial variability of near fault ground motions has not been characterized so far in engineering field, and hence its effect on the inelastic response of lifelines nearby a fault has not been well known. This paper presents a theoretical method of simulating deterministically the spatial variability of near field ground motions for the purpose of seismic design and analysis of extended lifelines. The near field ground motions with large permanent movements due to a fault are simulated using the stiffness matrix method and kinematical model of fault rupture in horizontally homogeneous layered half space. The effects of the spatial variation of ground motions upon the inelastic response behaviors of an extended viaduct and a buried pipeline, modeled by the fiber element method, are examined. It is found that the spatial variability of near field ground motions looks like the vortexes emerging behind an obstacle in the air or water flow. It is also revealed quantitatively that the spatial variability of ground motions strongly affect on the inelastic response behaviors of the lifelines near a fault.

000012018 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000012018 653__ $$aspatial variability of ground motions, near field earthquake ground motions, fiber element method, viaduct, buried pipelines, nonlinear seismic responses of lifeline

000012018 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000012018 720__ $$aWang, Hongze$$iHarada, Takanori$$iNonaka, Tetsuya$$iNakamura, M.
000012018 8560_ $$ffischerc@itam.cas.cz
000012018 8564_ $$s1589390$$uhttps://invenio.itam.cas.cz/record/12018/files/02-0025.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 02-0025.
000012018 962__ $$r9324
000012018 980__ $$aPAPER