000019414 001__ 19414
000019414 005__ 20170118182317.0
000019414 04107 $$aeng
000019414 046__ $$k2017-01-09
000019414 100__ $$aOchiai, Tsutomu
000019414 24500 $$aEstimation of Ground Structure Based on Shallow Underground Structure Survey Using Microtremor Array Method

000019414 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000019414 260__ $$b
000019414 506__ $$arestricted
000019414 520__ $$2eng$$aIt is well known that seismic motions and earthquake damages varied greatly depending on the characteristic of the soil involved and the propagation characteristics of the seismic motions. Furthermore, advances in IT technologies and analysis technologies have been improving the accuracy of seismic motion estimation on a daily basis, making it ever more important to assess ground structure in greater detail to provide the basic information for estimating seismic motions. We selected some of the site as the study target and used the miniature array proposed by Cho et al. (2013)［1］ to estimate 1D and 2D velocity profiles. We compared the result with the s-wave velocity profile obtained from boring survey and the existing single-point microtremor observation results. And also we performed the drawing of estimated 2D velocity structures at the target sites where there have specific configuration of the ground. Based on this model, we were able to confirm the distribution of the loam layer near the ground surface and also to infer the existence of several gaps in the velocity structure inside the Basin.

000019414 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000019414 653__ $$amicrotremor array method, 2D velocity structures, shallow underground structure, Miniature array

000019414 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000019414 720__ $$aOchiai, Tsutomu$$iEnomoto, Takahisa$$iMa, Ha$$iCho, Ikuo$$iSenna, Shigeki$$iNavarro, Manuel
000019414 8560_ $$ffischerc@itam.cas.cz
000019414 8564_ $$s769008$$uhttps://invenio.itam.cas.cz/record/19414/files/3571.pdf$$yOriginal version of the author's contribution as presented on USB, paper 3571.
000019414 962__ $$r16048
000019414 980__ $$aPAPER