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Table 5 Physical parameters used in HYDROGEOCHEM 5.0 model

From: Influences of specific ions in groundwater on concrete degradation in subsurface engineered barrier system

Media K (m/s) Porosity (%) Diffusion coefficient (m2/s) Bulk density (kg/m3) Longitudinal dispersivity (m) Lateral dispersivity (m)
Concrete 3.1 × 10−14 0.15 3.0 × 10−12 2030 0.10 0.010
Bentonite 5.0 × 10−11 0.363 1.2 × 10−10 2000 0.15 0.015
Backfill 3.24 × 10−8 0.168 2.0 × 10−11 2410 0.30 0.030