Table 4 Analysis results of pre-yield elastic energy range in elastic zone of coal pillar.

Influencing factor	\(\overline{K}_{{{1}j}}\)	\(\overline{K}_{{{2}j}}\)	\(\overline{K}_{{{3}j}}\)	\(\overline{K}_{{{4}j}}\)	\(\overline{K}_{{{5}j}}\)	R_j
C₀	0.014	0.019	0.025	0.032	0.039	0.025
x₁	0.039	0.031	0.025	0.020	0.016	0.023
φ₀	0.006	0.012	0.025	0.054	0.129	0.122
m	0.034	0.029	0.025	0.022	0.020	0.014
λ	0.049	0.033	0.025	0.020	0.017	0.032
l	0.006	0.013	0.025	0.049	0.096	0.090
μ	0.030	0.028	0.025	0.022	0.019	0.011
E₀	0.075	0.037	0.025	0.019	0.015	0.060

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