Experimental Study on Deformation Law of Rectangular Roadway in Horizontal Layered Rock Mass

Figure 4

Video screenshot of physical model according to loading scheme and deformation phenomenon; (a) Under load level 4; (b) Under load level 14; and (c–e) Under load level 23 and cumulative duration is 541 mins, 542 mins, 543 mins and 544 mins respectively.

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