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Table 2 Geotechnical parameters of the pyroclastic fall deposits in the study area

From: Three-dimensional seismic slope stability assessment with the application of Scoops3D and GIS: a case study in Atsuma, Hokkaido

Soil layerSoil symbolγt (kN/m3)γsat (kN/m3)w (%)Sr
(%)
ec/c′
(kPa)
φ/φ′
(°)
Sampling depth (m)
1Ta-a, b13.217.220361.54020unknown
2Ta-c14.717.225461.54020unknown
3Ta-d12.313.0138914.040201.7
4En-a12.414.765672.874272.2–3.0
5Spfa-19.712.977573.195326.5
  1. γt Total unit weight, γsat Saturated unit weight, w Water content, Sr Degree of saturation, e Void ratio, c/c′ (effective) cohesion, φ/φ′ (effective) friction angle