FIELD: mining.
SUBSTANCE: invention relates to mining and is intended for fixing mine workings in unstable, fractured rock rocks with anchor support. Section of anchor support includes self-fastening anchor, support plate and arm-frame in form of metal grid consisting of longitudinal and transverse rods, connected by welding. At that reinforcing frame cells feature rhombic shape while extreme lengthwise and crosswise rods feature smaller cross-section than central ones.
EFFECT: improving reliability of mine working attachment, reducing metal consumption and enlarging application possibilities of anchor support.
4 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF CONSTRUCTING ROOF BOLT SUPPORT | 0 |
|
SU1608351A1 |
| METHOD OF GUARDING OF WORKINGS IN HEAVING SOILS | 1990 |
|
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| MINE BARRIER | 2011 |
|
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| METHOD FOR FLEXIBLE FASTENING OF INTER-CHAMBER PILLARS IN SALT ROCKS | 2022 |
|
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|
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|
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| METHOD OF ERECTION OF REINFORCED SHOTCRETE SUPPORT | 0 |
|
SU1730459A1 |
| ANCHOR-TYPE SUPPORT | 1994 |
|
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| ROOF BOLT LOCKED BY FIRING | 2010 |
|
RU2451182C1 |
| DELIVERY-TO-DRAWING WORKINGS JUNCTION SUPPORT | 1998 |
|
RU2160836C2 |
