Deformation Prediction and Analysis of Soft Rock Roadway with High Altitude and Large Buried Depth Based on Particle Swarm Optimization LSTM Model

Table 1

Statistical description of extracted rock mass attributes.

Data type	Em (GPa)	UCS (MPa)	GSI	RQD (%)	Density (kg/m^3)	Porosity (%)
Average value	9.8	88.4	36.8	55.2	2.43	5.5
Standard error	0.56	2.4	0.49	0.94	0.02	0.24
Median	8.4	113.4	37.2	44.5	2.47	3.97
Sample variance	51.2	1562.7	57.8	402.3	0.09	10.2
Minimum value	2.3	7.4	16.4	12.4	2.16	0.15
Maximum value	17.5	102.6	46.8	97.5	2.51	13.5