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Geofluids
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2020
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Article
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Tab 4
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Research Article
Case Study: In Situ Experimental Investigation on Overburden Consolidation Grouting for Columnar Jointed Basalt Dam Foundation
Table 4
Relationship between water-cement ratio (W/C) and water drainage rate.
W/C
0.5 : 1
0.8 : 1
1 : 1
2 : 1
3 : 1
Drainage rate (%)
Before grinding
15.3
22.5
27.2
54.1
81.2
After grinding
1.2
18.4
21.8
50.1
79.8