Table 3 Hydrogeological properties of the ground underneath the Chicago Loop district.
From: The silent impact of underground climate change on civil infrastructure
Property class | Geological layer | Hydraulic conductivity, k [m/s] | Source | Porosity, n [−] | Source | Overconsolidation ratio, OCR [−] | Source |
|---|---|---|---|---|---|---|---|
Hydraulic/Geological | Sand | 1.74 × 10−6 | Given by Finno and Calvello75 | 0.35 | Given by Terzaghi et al.79 | N.A. | |
Soft clay | 1.04 × 10−9 | 0.41 | Calculated from Finno et al.73 | 1 | Given by Finno et al.73 | ||
Stiff clay | 1.04 × 10−9 | 0.31 | 1 | ||||
Hard clay | 1.04 × 10−9 | 0.15 | Calculated from Hamwey and Naus76 | >3 | |||
Sand and boulders | 1.04 × 10−5 | Assumed from Laloui and Rotta Loria48 | 0.21 | Given by Manger74 | N.A. | ||
Dolomitic limestone (bedrock) | 1.04 × 10−12 | 0.10 | NA. |
