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Advances in Materials Science and Engineering
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Advances in Materials Science and Engineering
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2020
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Article
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Tab 2
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Research Article
Study on Damage Model and Damage Evolution Characteristics of Backfill with Prefabricated Fracture under Seepage-Stress Coupling
Table 2
Mix proportion of backfill specimen.
Raw materials
Coal gangue (wt%)
Fly ash (wt%)
Cement (wt%)
Concentration (wt%)
Proportion
55
36
9
74