Calculation Method for the Critical Thickness of a Karst Cave Roof at the Bottom of a Socketed Pile

Table 1

The fitting results under the different values of ψ_r.

ψr	p1	p2	p3	p4	Correlation coefficient
0.1	4061.8141	346.6466	64.9156	16.6719	0.9954
0.2	4093.2221	324.4172	64.8682	16.6512	0.9956
0.3	4118.0682	305.4965	64.6015	16.5798	0.9958
0.4	4138.9451	289.2287	64.2061	16.4789	0.9959
0.5	4157.4294	275.1117	63.7373	16.3613	0.9961