Research Article
Study on the Thin Plate Model with Elastic Foundation Boundary of Overlying Strata for Backfill Mining
Figure 5
Principal moment feature when k2 = 20 MN/m3. (a) Three-dimensional cloud chart of principal moment M1; (b) plane cloud chart of principal moment M1; (c) cloud chart of principal moment M3; (d) plane cloud chart of principal moment M3.
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