Abstract
In order to keep the seismic stability and durability of sheet pile quay walls economically, the method using geocell was proposed in the present study. Geocell layers consisting of geosynthetic material and gravel are located on the upper parts of existing ties, and fixed to the sheet pile wall. A series of shaking table tests of the sheet pile quay walls were conducted on 1G filed to evaluate the effects of the proposed method. The shaking table tests revealed that the arrangement direction of the geocell influenced the seismic stability of sheet pile quay walls. The seismic stability of the quay wall using the geocell layers with the more stable arrangement direction almost equaled to that of the conventional quay wall with vertical anchor plates, independent of the density of backfill.