Sentence examples for relief zone from inspiring English sources

Effective gas drainage of high flow and purity should be obtained in the "O" ring and stress relief zone.

Stress relief in protected No. 13 seam occurred between stress relief lines due to lower strata subsidence, thus "stress relief and permeability enhancement" effect appeared in stress relief zone, resulted in significant increase in the permeability of rock and coal seam in this zone.

The combined new technique can improve the effective effected range of pressure relief zone around a single drilling-hole, which can reduce coal and gas outburst by combining "point", "line", "surface", and "body" of the front of working face coal mass.

The area around the convention center morphs into what looks like a makeshift disaster relief zone, but I suppose that's also the ideal scenario for sci-fi/fantasy fans, because it's like you're living inside the movie World War Z. .

The world risk report also commends the use of new technologies – such as smart phones and drones – in sharing logistics information and mapping out relief zones, for example in the Philippines after Typhoon Haiyan.

Practical experience in the Panyi Mine showed that, in the stress relief zones in a protected seam, the dilation deformation is up to 2.6 % and the permeability can increase from 0.01 to around 33 m2, an increase of 2880 times (Cheng et al. 2004).

Based on the stress-relief zone theory, we establish the stability condition of stress-relief zone in a coal mine laneway and find out the relationship between the stress-relief zone and the coal and gas outburst risk and analyze the function of stress-relief zone in preventing coal and gas outburst.

Pressure-relief zone is mainly concentrated in the side of outlet roadway.

At this point, long horizontally striking boreholes should be drilled from roadways along the coal seam to intersect the fractured zone, forming a local stripped pressure-relief zone.

In line IV, the stress-relief zone is 125 m wide (between 10 and 135 m) above the mined area of panel 11223 and the maximum coefficient is 0.9.

Generally, the stress-relief zone of No. 4 coal seam was small under the influence of the hard thick strata located in the main roof, which played an important role in delaying the breakage time and increasing the breakage space.