000010969 001__ 10969
000010969 005__ 20141205155822.0
000010969 04107 $$aeng
000010969 046__ $$k2008-10-12
000010969 100__ $$aMezouer, Nourredine
000010969 24500 $$aSite Specific Earthquake Response Analysis, Case Study: Sebaou Valley-Algeria

000010969 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000010969 260__ $$b
000010969 506__ $$arestricted
000010969 520__ $$2eng$$aA strong earthquake of magnitude Mw=6.8 struck Boumerdes, eastern Algiers region on May 21st 2003 at 7:44 pm (GMT+1). Many induced effects, mainly sand boiling and lateral spreading, have been observed. We perform in this work a site specific response analysis around the Sebaou Bridge, which suffered some damage. Geotechnical data of the site are gathered (borehole logs with SPT tests results as well as the physical properties of the soil). The ground accelerations recorded during this earthquake are used as bedrock motion which is analytically propagated upward through the soil profile to the free surface. An amplification factor ranging from 1.2 to 1.5 times the base rock acceleration is observed. On the other hand, liquefaction analysis is conducted and the factor of safety against liquefaction is determined for this site. Results give a safety factor less than unity. In order to quantify the liquefaction effect the liquefaction potential index PL is calculated and it is over 15 in all boreholes what indicates a high liquefaction potential. Also, induced effects due to liquefaction are evaluated and ground displacements (settlement and lateral spreading) are estimated.

000010969 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000010969 653__ $$aBoumerdes earthquake, amplification, liquefaction, lateral spreading, settlement.

000010969 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000010969 720__ $$aMezouer, Nourredine$$iHadid, Mohamed$$iBouhadad, Youcef
000010969 8560_ $$ffischerc@itam.cas.cz
000010969 8564_ $$s270570$$uhttps://invenio.itam.cas.cz/record/10969/files/04-02-0072.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 04-02-0072.
000010969 962__ $$r9324
000010969 980__ $$aPAPER