Conference paper Open Access

Numerical assessment of fragility curves for embankments on liquefiable ground

Oblak Aleš; Kuder Sebastjan; Janko Logar; Antonio Viana da Fonseca


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    <subfield code="a">&lt;p&gt;Fragility curves for highway and railway embankments have been developed for a set of ground conditions and different embankment heights and widths. Ground consisted of liquefiable layer underlain by competent base layer and covered by clayey crust. Numerical time history analyses were used with PM4sand material model as implemented in FLAC code. A set of 30 recorded ground motions was used, which were scaled to different peak ground accelerations.&lt;br&gt;
Criteria for three levels of damage states for derivation of fragility curves for traffic embankments were taken from the literature. The influence of the position and thickness of the liquefiable layer, its properties and the influence of embankment geometry on the fragility curves will be presented.&lt;/p&gt;</subfield>
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    <subfield code="u">University of Ljubljana</subfield>
    <subfield code="a">Kuder Sebastjan</subfield>
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    <subfield code="u">University of Ljubljana</subfield>
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    <subfield code="a">Janko Logar</subfield>
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    <subfield code="u">University of Porto</subfield>
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    <subfield code="a">Antonio Viana da Fonseca</subfield>
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    <subfield code="u">University of Ljubljana</subfield>
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    <subfield code="a">Liquefaction; Embankment; Fragility curve; FLAC</subfield>
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    <subfield code="a">10.32075/17ECSMGE-2019-0899</subfield>
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    <subfield code="a">Numerical assessment of fragility curves for embankments on liquefiable ground</subfield>
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    <subfield code="c">700748</subfield>
    <subfield code="a">Assessment and mitigation of liquefaction potential across Europe: a holistic approach to protect structures / infrastructures for improved resilience to earthquake-induced liquefaction disasters</subfield>
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