Sentence examples for maximum bed separation from inspiring English sources

Maximum bed separation height is located away from the middle of the goaf zone and grows along down the slope.

(i) Emplacement of the maximum bed-separation height.

Maximum bed-separation height usually develops in the middle of the goaf zone.

The slant angle of coal seam determines the shape of the bed separation and the maximum bed-separation height.

The slant angle of coal seam is the deciding factor of the shape of the bed separation and the emplacement of the maximum bed-separation height.

(1) Open image in new window Fig. 3 Relations between the maximum bed-separation height (△h), mining height (M), and ratio between the two.

Through numerical simulations, the maximum bed-separation height (△h) is linear to the mining height (M) (Fig. 3): Delta h = 0.5779M + 0.2729 quad (M = 2 - 8;{text{m}}).

In line with the location of maximum bed-separation height and timing of key strata rupture, to determine the positions of grouting holes and grouting schedule.

Previous analysis shows that, on the cross-section of the working face, if the coal seam is horizontal or near-horizontal (with a slant angle less than or equal to 10°), the maximum bed-separation height will be in the middle of the goaf zone (Fig. 1).

When bed separation reaches the maximum, grouting has almost closed up the bed separation and the pulp is confronted with high resistance, thus driving up Ps.

To obtain the optimal effects, it is best to grout before the bed separation height reaches the maximum and before the key strata rupture, which are the two critical factors when determining the desired location of drills and timing of grouting.