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

Table 7

Soil pressure on steel and aluminum protection shield boxes with different strut diameters and plate thicknesses.

Steel trench box (kPa)									Aluminum trench box (kPa)
Depth from top (m)	100 mm plate, 200 mm strut	75 mm plate, 200 mm Ø strut	100 mm plate, 200 mm strut	75 mm plate, 50 mm strut	150 mm plate, 200 mm strut	150 mm plate, 100 mm strut	200 mm plate, 200 mm strut	200 mm plate, 100 mm strut	100 mm plate, 200 mm strut	75 mm plate, 200 mm strut	100 mm plate, 100 mm strut	75 mm plate, 50 mm strut	150 mm plate, 200 mm strut	150 mm plate, 100 mm strut	200 mm plate, 200 mm strut	200 mm plate, 100 mm strut
0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
0.9	3.0	4.5	4.9	6.5	2.0	2.3	0.8	0.9	5.80	5.39	6.78	6.24	4.6	4.9	3.2	2.8
2.4	39.2	33.2	34.8	29.2	37.4	36.9	38.7	38.4	28.90	24.04	26.26	19.81	33.6	32.5	36.6	35.9
3.9	51.0	38.3	44.9	33.4	56.2	55.1	59.5	58.8	30.29	20.09	27.35	16.34	46.7	44.8	53.9	52.5
5.4	79.4	65.5	72.7	63.6	81.2	80.6	83.8	83.4	59.53	49.37	58.46	48.22	73.9	72.9	79.8	79.0