Analysis and Prediction of the Factors Influencing Postconstruction Surface Deformation of Pipe-Jacking Tunnel in Soft Clay Strata in China

Table 4

General correlation analysis table of the parameters of the settling trough after operation.

Parameters of settling tank after operation		Maximum sedimentation	Rate of soil loss	Buried depth ratio		Sectional area	Boundary of the friction angle		Coefficient of the relative height of the water table
				High limit	Lower limit		High limit	Lower limit	High limit	Lower limit
Maximum sedimentation	Pearson correlation	1	0.476	−0.516	−0.494	0.439	−0.362	0.127	−0.229	−0.251
	Significance (bilateral)		0.019	0.010	0.014	0.032	0.082	0.554	0.282	0.236
	N	24	24	24	24	24	24	24	24	24
Rate of soil loss	Pearson correlation	0.476	1	−0.017	−0.023	−0.345	0.153	0.034	−0.307	−0.291
	Significance (bilateral)	0.019		0.938	0.913	0.098	0.475	0.874	0.145	0.167
	N	24	24	24	24	24	24	24	24	24

Significant correlation at the 0.05 level (bilateral). Significant correlation was found at 0.01 level (bilateral).