Research Article

Flexible Temporary Shield in Soft and Sensitive Clay: 3D FE Modelling of Experimental Field Test

Table 11

Comparison of soil pressures on flexible temporary shield in soft and sensitive clay excavated trench.

Depth from top of the soil (m)In situ test resultsFinite element model analysis results using PLAXIS-3DAnalytical results
Experimental-option (kPa)HS-model (kPa)MC without MRF (kPa)MC with MRF (with ) (kPa)MC with MRF (with ) (kPa)MC with MRF (for ) (kPa)Calculated stress from Terzaghi and Peck [27]: (kPa)Calculated total active stress from Rankine [28]: (kPa)Calculated stress from Yokel et al. [6]: (kPa)

00000000075.69 (1.58 ksf)
0.9 (2.95 ft)6 (0.125 ksf)11 (0.23 ksf)10 (0.2 ksf)1 (0.02 ksf)3 (0.06 ksf)4 (0.08 ksf)44 (0.92 ksf)12.69 (0.265 ksf)75.69 (1.58 ksf)
2.4 (7.9 ft)23 (0.48 ksf)71 (1.48 ksf)39 (0.81 ksf)43 (0.9 ksf)42 (0.88 ksf)38 (0.79)44 (0.92 ksf)33.84 (0.71 ksf)75.69 (1.58 ksf)
3.9 (12.8 ft)114 (2.38 ksf)105 (2.19 ksf)52 (1.08 ksf)63 (1.31 ksf)62 (1.29 ksf)51 (1.06 ksf)44 (0.92 ksf)56 (1.17 ksf)75.69 (1.58 ksf)
5.4 (17.7 ft)77 (1.61 ksf)143 (3.0 ksf)79 (1.65 ksf)86 (1.8 ksf)84 (1.75 ksf)87 (1.81 ksf)44 (0.92 ksf)76.14 (1.59 ksf)75.69 (1.58 ksf)