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Underground Mining Drilling Support Rock Anchor Bolt
1, Underground Mining Drilling Support Rock Anchor Bolt with easy and similar operation principle for different rock mass and soil conditions 2, drilling, anchoring and grouting can be performed in on
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Introduction Of Underground Mining Drilling Support Rock Anchor Bolt
1, Underground Mining Drilling Support Rock Anchor Bolt with easy and similar operation principle for different rock mass and soil conditions
2, drilling, anchoring and grouting can be performed in one single operation
3, no pre-drilling of a borehole by using a casing tube and extension rods with subsequent anchor installation necessary
4, minor space requirement for the accomplishment of anchoring
5, optimized machinery and manpower requirements
6, basic dimensioning of the required anchoring forces by choosing the appropriate anchor type
7, optimum bonding of the profiled anchor rod and the grout
8, adjustment of the drill bit design and diameter to different rock mass and ground conditions
9, simple anti-corrosion method available
10, appropriate for temporary or permanent applications
Parameter Of Underground Mining Drilling Support Rock Anchor Bolt
|
Model |
Yield strength (MPa) |
Tensile strength (MPa) |
Tensile strength (MPa) |
Yield load (KN) |
Tensile load (KN) Kg/m |
|
φ16 |
≧345 |
≧510 |
≧25 |
≧69 |
≧100 1.6 |
|
φ18 |
≧345 |
≧510 |
≧25 |
≧87 |
≧126 2.0 |
|
φ18 |
≧345 |
≧510 |
≧25 |
≧108 |
≧156 2.5 |
|
φ22 |
≧345 |
≧510 |
≧25 |
≧131 |
≧189 3.0 |
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