Research Article
Flexible Temporary Shield in Soft and Sensitive Clay: 3D FE Modelling of Experimental Field Test
Table 1
Geometric and mechanical properties of box shield protection used for FE simulation in PLAXIS-3D.
| | Parameter/properties | PLAXIS-3D nomenclature (unit) | Strut (spreader tube) | Plate |
| | Material type | Type | Elastic | Elastic, isotropic | | Young’s modulus | (kN/m2) | | | | (kN/m2) | | | | Unit weight | (kN/m3) | 78.50 | 13.67 | | Cross-section area | (m2) | 0.01 | | | Moment of inertia | (m4) | | | | (m4) | | | | Thickness | (m) | | 0.10 | | Poisson’s ratio | | | 0.30 | | Shear Modulus | (kN/m2) | | | | (kN/m2) | | | | (kN/m2) | | | | From 200 mm strut SCH80 chart | Outer diameter strut, (mm) | 219 (8.63 in) | | | Inner diameter strut, (mm) | 194 (7.63 in) | | | Area of strut (m2) | | | | or for strut (m4) | | | | One shield geometry | Length (m) | 3.0 (10 ft) | | | Height (m) | 3.0 (10 ft) | | | Plate thickness (mm) | 100 (4 in) | | | Horizontal distance between struts (m) | 2.6416 (104 in) | |
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