Embankment Seismic Fragility Assessment under the Near-Fault Pulse-like Ground Motions by Applying the Response Surface Method

Table 1

Probability distribution parameters of the structural parameters.

Sequence numbers	Structural parameters	Distribution patterns	Mean values	Coefficients of variation
X1	Elastic modulus of the embankment fill	Log-normal distribution	48.00 MPa	0.20
X2	Elastic modulus of the soil foundation	Log-normal distribution	42.00 MPa	0.20
X3	Bulk modulus of the embankment fill	Log-normal distribution	50.00 MPa	0.20
X4	Bulk modulus of the soil foundation	Log-normal distribution	43.75 MPa	0.20
X5	Shear modulus of the embankment fill	Log-normal distribution	17.91 MPa	0.33
X6	Shear modulus of the soil foundation	Log-normal distribution	15.67 MPa	0.33
X7	Density of the embankment fill	Normal distribution	1970 kg/m^3	0.20
X8	Density of the soil foundation	Normal distribution	1630 kg/m^3	0.20
X9	Cohesion force of the embankment fill	Log-normal distribution	34.00 kPa	0.20
X10	Cohesion force of the soil foundation	Log-normal distribution	31.00 kPa	0.20
X11	Internal friction angle of the embankment fill	Normal distribution	33.00°	0.20
X12	Internal friction angle of the soil foundation	Normal distribution	28.00°	0.20