000004484 001__ 4484
000004484 005__ 20141118192659.0
000004484 0177_ $$2doi$$a10.3850/978-981-07-2219-7_P131

000004484 0247_ $$210.3850/978-981-07-2219-7_P131
$$adoi
000004484 04107 $$aeng
000004484 046__ $$k2012-05-23
000004484 100__ $$aKostov, Marin
000004484 24500 $$aSeismic Risk Assessment of Large Dams

000004484 24630 $$n5.$$pProceedings of the 5th Asian-Pacific Symposium on Structural Reliability and its Applications
000004484 260__ $$bResearch Publishing, No:83 Genting Lane, #08-01, Genting Building, 349568 SINGAPORE
000004484 506__ $$arestricted
000004484 520__ $$2eng$$aThe large dam systems are high value infrastructure projects with significant importance. Inadequate seismic behavior of dams could lead to severe consequences for the local communities. Therefore, the seismic safety assessment of large dam systems is an important engineering task. “Tsankov Kamak” dam is the first double curvature arch dam in Bulgaria. The complex shape of the dam, the site seismic environment, and the peculiarities of the local geological conditions (weakened and weathered zones in the foundation rock) require detailed investigation of the seismic behavior of the dam and the foundation. The present paper describes the probabilistic evaluation of the seismically induced damages or failures of the dam wall and foundation. The parameters of the site specific seismic motion are based on results of probabilistic seismic hazard assessment (PSHA). Failure and damage scenarios are derived by deterministic dynamic analyses for maximum credible earthquake (MCE) and evaluation of ultimate bearing capacity of the dam wall. In the probabilistic evaluation of the dynamic behavior of the wall a Latin Hypercube (LHC) procedure is applied. Nonlinear dynamic analyses are used, including precise modeling of critical structure parts, i.e. contraction joints and base joints. Probabilistic assessment of damages and failure scenarios is performed and the scenarios with the highest probability of occurrence are presented.

000004484 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000004484 653__ $$aPSA, Double arch dam, Non-linear dynamic analysis, LHC.

000004484 7112_ $$a5th Asian-Pacific Symposium on Structural Reliability and its Applications$$cSingapore (SG)$$d2012-05-23 / 2012-05-25$$gAPSSRA2012
000004484 720__ $$aKostov, Marin$$iVarbanov, George$$iAndonov, Anton
000004484 8560_ $$ffischerc@itam.cas.cz
000004484 8564_ $$s589883$$uhttps://invenio.itam.cas.cz/record/4484/files/P131.pdf$$yOriginal version of the author's contribution as presented on CD, .
000004484 962__ $$r4180
000004484 980__ $$aPAPER