Geofluids / 2020 / Article / Tab 2

Research Article

Ground Subsidence Triggered by the Overexploitation of Aquifers Affecting Urban Sites: The Case of Athens Coastal Zone along Faliro Bay (Greece)

Table 2

Physical and mechanical properties of the Quaternary fine-grained fluvial deposits [5358].

Sandy claySilty sand
Unified Soil Classification System (USCS) classification

Physical parameters
Dry unit weight, γd (KN/mᵌ)10.718.815.6914.822.418.28
Specific gravity, Gs2.492.672.552.582.582.58
Liquid limit, LL (%)21.257.536.53N.P.39.723.41
Plastic limit, PL (%)12.927.819.73N.P.19.414.47
Plasticity index, PI (%)2.13316.87N.P.23.39.49

Mechanical parameters
UC strength, qu (KN/m2)3539917236353213,33
Compression index, Cc0.090.320.20,11

Shear box test (CD)
Cohesion, c (KN/m2)14910.288.53119.75
Friction angle, (°)33123.14262827

Triaxial test (CUPP)
Cohesion, c (KN/m2)263027.67˗˗˗
Cohesion, (KN/m2)233427.3325˗
Friction angle, (°)142919.67˗˗˗
Friction angle, (°)173123.6731˗

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