Finite-Element Analysis on the Tensile Membrane Effect in Geogrid Reinforced Piled Embankment under Dynamic Loading

Table 1

The material parameters used in the finite element analysis.

	(m)	(kN/m^3)	(kPa)	(degree)	(MPa)	(degree)							(m/d)
AC layer	0.15	21.0	—	—	4000	—	0.25	—	—	—	—	—	—
Base	0.20	20.0	—	—	1000	—	0.25	—	—	—	—	—	—
Subbase	0.25	18.0	—	—	500	—	0.25	—	—	—	—	—	—
Embankment	2.0, 3.5, 5.0, 6.5	17.0	1, 5, 10	30, 35, 40	25	0	0.20	—		—	—	—	—
Pile	6.00	23.5	—	—	30000	—	0.20	—		—	—	—	—
Subsoil	6.00	17.0	—	20	—	—	0.20	0.3	0.1	0.772	1.79	3.44	4.32
Geogrid	Tensile stiffness , 1, 3, or 10 MN/m;