Patent ID: 11959379
Assignee: ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Civil engineering (Other fields)
Classification: CPC E  C | IPC C  E

Claim 2:
3. The method for measuring the gas pressure of the close-distance seam group simultaneously according to claim 1, wherein in step (2), the position of the baffle in the inclined drill hole is specifically located at a junction of the lowermost seam and an upper stratum thereof, the tube head of the first seam piezometer tube is located below the baffle, and the polyurethane blocking material is located above the baffle;
in step (3), the position of the baffle in the inclined drill hole is specifically located at a junction of the second layer of seam and an upper stratum thereof, the tube head of the second seam piezometer tube is located below the baffle, and the polyurethane blocking material is located above the baffle; and
in step (4), the position of the baffle in the inclined drill hole is specifically located at a junction of the nth seam and an upper stratum thereof, the tube head of the nth seam piezometer tube is located below the baffle, and the polyurethane blocking material is located above the baffle.