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Site classification using equivalent soil profiles for building-liquefaction interaction
ID
Millen, Maxim
(
Avtor
),
ID
Viana da Fonseca, António
(
Avtor
),
ID
Quintero, Julieth
(
Avtor
),
ID
Kosič, Mirko
(
Avtor
),
ID
Logar, Janko
(
Avtor
)
URL - Izvorni URL, za dostop obiščite
https://link.springer.com/article/10.1007%2Fs10518-020-00967-0
Galerija slik
Izvleček
The seismic behaviour of a building on a liquefiable deposit is a complex interaction which involves quantifying both shaking induced damage and permanent ground deformation-related damage. In this paper the key parameters that influence both surface shaking and foundation settlements have been identified as the depth, thickness and liquefaction resistance of an equivalent liquefiable layer. These parameters can be used to develop an %equivalent soil profile% that is analogous to the equivalent single degree-of-freedom that reduces the complexity of the dynamic response of a building into comparable and easily understood quantities. The equivalent soil profile is quantified independent of the seismic hazard, making it compatible with performance based design and assessment frameworks such that the building and soil profile can be directly assessed at different levels of seismic hazard. Several numerical studies are presented that demonstrate the influence of these key parameters on the ground surface shaking and foundation settlement. A set of criteria are proposed for classifying soil profiles into 22 different soil classes for regional loss assessment. An algorithm was developed for automatically fitting the equivalent soil profile to a cone penetration test trace and issues with the fitting are discussed. Field reconnaissance was undertaken to collect additional data to support existing datasets on the performance of buildings in Adapazari, during the 1999 Kocaeli, Turkey, earthquake (Mw = 7.4). The field case history data was used to investigate the correlation between the depth, thickness and liquefaction resistance of an equivalent liquefiable layer, on the extent of foundation permanent deformation. The case history data showed that in general a shallow, thick and weak liquefiable layer near the surface results in significant settlement but a lack of data for buildings on non-liquefiable deposits and the additional complexities involved with real buildings and soil deposits, meant that the trends observed in the idealised numerical models could not identified in the field case history data set.
Jezik:
Angleški jezik
Ključne besede:
civil engineering
,
geotechnics
,
liquefaction
,
soil-structure interaction
,
settlement
,
site response
,
seismic loss-assessment
Vrsta gradiva:
Znanstveno delo
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FGG - Fakulteta za gradbeništvo in geodezijo
Različica publikacije:
Recenzirani rokopis
Leto izida:
2020
Št. strani:
Str. 1-26
Številčenje:
Letn. XX, št. nov.
PID:
20.500.12556/RUL-125092
UDK:
624
ISSN pri članku:
1570-761X
DOI:
10.1007/s10518-020-00967-0
COBISS.SI-ID:
36287491
Datum objave v RUL:
04.03.2021
Število ogledov:
931
Število prenosov:
92
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Bulletin of earthquake engineering
Založnik:
Springer Nature, European Association for Earthquake Engineering
ISSN:
1570-761X
COBISS.SI-ID:
897639
Licence
Licenca:
CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:
Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.
Začetek licenciranja:
04.03.2021
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
gradbeništvo
,
geotehnika
,
likvifakcija
,
sodelovanje tal in objekta
,
posedek
,
odziv tal
,
ocena škode zaradi potresa
Projekti
Financer:
EC - European Commission
Številka projekta:
GAP-700748
Naslov:
Assessment and mitigation of liquefaction 420 potential across Europe - a holistic approach to protect structures/infrastructures for improved resilience to 421 earthquake-induced liquefaction disasters
Akronim:
LIQUEFACT
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