Buckling Stability Analysis for Piles in the Slope Foundation Based on Cusp Catastrophe Theory

Table 4

Critical buckling load for piles in the slope foundation with varying limit friction strength (MN).

L (m)	τ = 0 kPa	τ = 30 kPa	τ = 60 kPa
10	36.084	36.129	36.174
20	68.169	68.259	68.348
30	240.879	241.013	241.147
40	632.531	632.710	632.888
50	1336.45	1336.67	1336.90
60	2447.71	2447.98	2448.25