Finite Element Analysis of Surrounding Rock with a Thermal Insulation Layer in a Deep Mine

Table 5

Emission reduction ratio with an insulation layer relative to that with no insulation layer.

Time	Emission reduction ratio of scheme 2 (%)	Emission reduction ratio of scheme 3 (%)
1 day	11.62	65.87
1 month	54.14	84.99
1 year	60.95	87.61
10 years	64.48	88.91
20 years	65.33	89.21
30 years	65.89	89.41