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Advances in Materials Science and Engineering
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Advances in Materials Science and Engineering
/
2022
/
Article
/
Tab 7
/
Research Article
Performance Research of Materials and Engineering Application of Overburden Strata Separation-Zone Grouting Technology
Table 7
The injection-production ratio table of each side of the second mining district.
T2191
T2192
T2193上
T2193下
T2194
T2195
Second mining district
Mining space (m
3
)
1,601,228.5
1,185,036.6
1,093,955.3
1,044,856.0
1,118,089.0
1,066,103.9
7,109,269.4
Grout amount (m
3
)
1,300,139
1,152,108
1,009,252
1,223,743
1,314,813
1,132,784
7,132,839
Cement take (m
3
)
288,075
257,113.6
311,363.7
323,597
290,882.2
250,430
1,721,462
Injection ash ratio (%)
18
21.7
28.5
31
26
23.5
24.2
Grouting ratio (%)
81.2
97.2
92.3
117.1
117.6
106.3
100.3