Effects of Water Immersion on the Long-Term Bearing Characteristics of Crushed Gangue in Goaf

Figure 1

Deformation-seepage experimental system for crushed gangues [38]. 1: beam of the test system; 2: bedplate of the test system; 3: column; 4: load cylinder; 5: loading pressure head; 6: test cylinder; 7: bedplate of the test cylinder; 8: intake; 9: seal ring; 10: outlet; 11: fixing trestle; 12: blowout; 13: nitrogen cylinder; 14: drying tower; 15: air inlet.