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′ (◦)

Fill7.518.53.025.0029.0
Clay and silt ③-12.515.46.013.0225.0
Fine to coarse sand ③-35.020.04.025.0029.0
Sandy clay and silt ④-34.017.911.46.5327.0
Fine sand ⑤-210.020.54.026.0030.0
Fine to coarse sand ⑥-22.519.52.030.0032.0
Silty clay ⑦-17.018.012.37.6328.0

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

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.