Soil-Structure Interaction of Flexible Temporary Trench Box: Parametric Studies Using 3D FE Modelling

Table 1

Plate properties (steel and aluminum) of trench box shield protection used for FE simulation in PLAXIS-3D.

Parameter/property	PLAXIS nomenclature	Steel plate				Aluminum plate
		200 mm (8 in.)	150 mm (6 in.)	100 mm (4 in.)	75 mm (3 in.)	200 mm (8 in.)	150 mm (6 in.)	100 mm (4 in.)	75 mm (3 in.)
Material type	Type	Elastic, isotropic	Elastic, isotropic	Elastic, isotropic	Elastic, isotropic	Elastic, isotropic	Elastic, isotropic	Elastic, isotropic	Elastic, isotropic
Young’s modulus	E1 (kN/m^2)
Unit weight	(kN/m^3)	11.59	11.86	13.67	15.70	2.68	3.22	4.29	4.99
Thickness	(m)	0.20	0.15	0.10	0.08	0.20	0.15	0.10	0.08
Poisson’s ratio		0.30	0.30	0.30	0.30	0.30	0.30	0.30	0.30
Shear modulus	(kN/m^2)
	(kN/m^2)
	(kN/m^2)

One shield geometry;  m (10 ft);  m (10 ft); horizontal distance between  m (104 in.).