Advances in Civil Engineering / 2021 / Article / Tab 2

Research Article

Analysis of Ground Movement during Large-Scale Pipe Roof Installation and Artificial Ground Freezing of Gongbei Tunnel

Table 2

Physical and mechanical parameters of soil strata.

Soil stratumThickness h (m)Unit weight γ (kN/m3)CU-testCD-test
c (kPa)φ (◦)c′ (kPa)φ′ (◦)

Clay and silt ③-12.515.46.013.0225.0
Fine to coarse sand ③-
Sandy clay and silt ④-34.017.911.46.5327.0
Fine sand ⑤-
Fine to coarse sand ⑥-22.519.52.030.0032.0
Silty clay ⑦-

Notes: CU denotes Consolidation Undrained; CD denotes Consolidation Drained.

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