Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)
Online ISSN : 2185-4688
ISSN-L : 2185-4688
Annual Journal of Civil Engineering in the Ocean Vol.35
CENTRIFUGE MODELLING OF CAISSON TYPE QUAY WALL WITH DIFFERENT SOLIDIFIED AREA OF BACKFILL DURING EARTHQUAKE
Daiki TAKANOHidenori TAKAHASHIKenji TOOYAMA
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2019 Volume 75 Issue 2 Pages I_450-I_455

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Abstract

 In the gravity-type quay wall supporting the earth pressure behind the structure by the self-weight, an increase of the horizontal earth pressure due to liquefaction result in damage of the caisson. As a countermeasure against the quay damage, a method of solidifying the back-filling layer behind the caisson has been proposed. In this research, the seismic response of gravity-type quay wall with different improved area has been investigated by experimental simulation using geotechnical centrifuge. As a result, it was confirmed that the displacement of the caisson can be reduced by solidifying the backfill at the same height as the caisson.

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© 2019 Japan Society of Civil Engineers
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