CN201314241Y - Built-in three-dimensional strengthening rib-strengthened filled wall structure for roadway retained for next sublevel - Google Patents
Built-in three-dimensional strengthening rib-strengthened filled wall structure for roadway retained for next sublevel Download PDFInfo
- Publication number
- CN201314241Y CN201314241Y CNU2008202156847U CN200820215684U CN201314241Y CN 201314241 Y CN201314241 Y CN 201314241Y CN U2008202156847 U CNU2008202156847 U CN U2008202156847U CN 200820215684 U CN200820215684 U CN 200820215684U CN 201314241 Y CN201314241 Y CN 201314241Y
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- Prior art keywords
- filled wall
- roadway
- retained
- reinforcing rib
- built
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- 230000000717 retained effect Effects 0.000 title claims abstract description 15
- 238000005728 strengthening Methods 0.000 title abstract 4
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000009954 braiding Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000005065 mining Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A built-in three-dimensional strengthening rib-strengthened filled wall structure for a roadway retained for next sublevel comprises a filled wall and latticed three-dimensional strengthening ribs arranged in the filled wall. The latticed three-dimensional strengthening ribs arranged inside the filled wall restricts the dislocation of the filled wall, so as to strengthen the filled wall on the sides of the roadway retained for next sublevel, resulting in firmer filled wall formed by filling and remarkably improved deformation and slippage resistance, thereby effectively preventing the filled wall on the sides of the roadway retained for next sublevel sliding inwardly, effectively maintaining the roadway section behind the roadway retained for next sublevel and ensuring the safety of the roadway retained for next sublevel. The filled wall structure provided by the utility model has the advantages of simple structure, simple method, easy construction, good safety and reliability, and wide application range.
Description
Technical field
The utility model relates to a kind of built-in three-dimensional reinforcing rib and reinforces the filled wall bodies of gob-side retained entries structure, is particularly useful for the reinforcing of down-hole, mine stope drift active workings filled wall.
Background technology
The technology of gob side entry retaining has adopted the quite a long time in world's field of mining, its essence is it is with installing pin, building waste pack by laying bricks or stones or the concrete method of filling remains along the goaf, as the stope drift active workings of next work plane with the stope drift active workings at mining face rear.
Continuous development along with science and technology and mining machineization, the way that filled wall bodies of gob-side retained entries is built in employing by laying bricks or stones is more and more general, but back production along with work plane, the lane constructed group obturation will bear disrumpent feelings direct top and old top from heavy load, bear the old bursting lateral pressure in the top board turning course in the masonry girder construction that forms of having no progeny simultaneously, influenced by this, adopt the filled wall of filler in most cases all obvious distortion can take place, even collapse under pressure, perhaps obturation takes place in the tunnel or the violent slippage of goaf side, the slippage maximum can reach more than the 1m, the filled wall compressive deformation, the strong slippage of destruction or obturation, cause lane space sharply to dwindle, cause supplement production, operations such as ventilation are difficult to carry out, the safety in production in serious threat mine.
At present, the method for reinforcement filled wall has: the cement that 1. adopts high grade; 2. improve the prescription of filler; 3. filled wall installs methods such as individual prop outward.Though said method can reduce the slippage of filled wall distortion, but then is difficult to effectively control the displacement of body of wall, therefore how to guarantee the integrality of filled wall and improve its supporting capacity to be the great safety in production problem that present urgent need will obtain solving.
Summary of the invention
The purpose of this utility model is at the deficiency in the prior art, provides a kind of simple in structure, easily construction, and effective built-in three-dimensional reinforcing rib is reinforced the filled wall bodies of gob-side retained entries structure.
Built-in three-dimensional reinforcing rib of the present utility model is reinforced the filled wall bodies of gob-side retained entries structure, is made of filled wall, the latticed three-dimensional reinforcing rib that is located in the filled wall.
Described three-dimensional reinforcing rib is that screw-thread steel, round steel or band steel braiding form; Array pitch is 0.8～1.6m between the three-dimensional reinforcing rib of described braiding.
Beneficial effect: the utility model is by being provided with latticed three-dimensional reinforcing rib in filled wall, the changing of the relative positions between the restriction filled wall, for providing to strengthen, reinforces gob side entry retaining roadside packing body, the whole filled wall that filling is combined to form is firmer, effectively adapt to the activity and the influence of hysteresis mining pressure of overlying rock, the one, the globality of raising obturation, the characteristic combination with obturation and reinforcing rib plays a role jointly; The 2nd, improve obturation initial stage supporting capacity, cover the top board revolution in the adaptation and sink to moving; The 3rd, improve the obturation bulk strength, ensure that the filling physical efficiency effectively adapts to strong hysteresis mining induced stress influence, the bulk deformation of strong control roadway surrounding rock; The 4th, easy construction, three-dimensional reinforcing rib can make up prefabricated or at the scene, and construction is fast simple.Three-dimensional reinforcing rib obturation and reinforcing rib are combined into an integral body by in obturation, arranging, effectively control the distortion of roadway surrounding rock, ensure the success of gob side entry retaining.It is simple in structure, and effect is remarkable, and easily construction is safe and reliable, has practicality widely.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Among the figure: 1-top board; 2-base plate; 3-filled wall; 4-three-dimensional reinforcing rib
The specific embodiment
The utility model will be further described below in conjunction with the embodiment in the accompanying drawing:
Built-in three-dimensional reinforcing rib of the present utility model is reinforced the filled wall bodies of gob-side retained entries structure, by being filled in filled wall 3 between top board 1 and the base plate 2, being installed in filled wall 3 interior latticed three-dimensional reinforcing ribs 4 and constituting.Latticed three-dimensional reinforcing rib 4 usefulness screw-thread steels, round steel or band steel braiding form, and 4 array pitch of the three-dimensional reinforcing rib of braiding are 0.8～1.6m.Behind working face extraction, in treating fill area, place latticed three-dimensional reinforcing rib 4 prefabricated or that make up at the scene, interlacing is together anyhow for latticed three-dimensional reinforcing rib 4 usefulness screw-thread steels, round steel or band steel; Array pitch generally can be selected 0.8～1.6m between reinforcing rib, and the outer end size of three-dimensional reinforcing rib 4 is exceeded with the filled wall size for the treatment of of a circulation.Set up the filled wall template, carry out lane other grouting filling operation, treat stripping after the concrete setting, finish the filling of a buttress filled wall 3 with concrete; Follow the propelling of getting working face, it is poly-to repeat the above-mentioned step, finishes the filling that a buttress connects a buttress filled wall 3, by three-dimensional reinforcing rib 4 the roof and floor country rock is combined with obturation and forms an integral body, effectively limits the inside slippage of obturation.
Claims (3)
1. a built-in three-dimensional reinforcing rib is reinforced the filled wall bodies of gob-side retained entries structure, it is characterized in that: it is made of filled wall (3), the latticed three-dimensional reinforcing rib (4) that is located in the filled wall (3).
2. built-in three-dimensional reinforcing rib according to claim 1 is reinforced the filled wall bodies of gob-side retained entries structure, it is characterized in that: described three-dimensional reinforcing rib (4) forms for screw-thread steel, round steel or band steel braiding.
3. built-in three-dimensional reinforcing rib according to claim 2 is reinforced the filled wall bodies of gob-side retained entries structure, and it is characterized in that: array pitch is 0.8～1.6m between the three-dimensional reinforcing rib (4) of described braiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202156847U CN201314241Y (en) | 2008-11-05 | 2008-11-05 | Built-in three-dimensional strengthening rib-strengthened filled wall structure for roadway retained for next sublevel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202156847U CN201314241Y (en) | 2008-11-05 | 2008-11-05 | Built-in three-dimensional strengthening rib-strengthened filled wall structure for roadway retained for next sublevel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314241Y true CN201314241Y (en) | 2009-09-23 |
Family
ID=41126034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202156847U Expired - Fee Related CN201314241Y (en) | 2008-11-05 | 2008-11-05 | Built-in three-dimensional strengthening rib-strengthened filled wall structure for roadway retained for next sublevel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314241Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864987A (en) * | 2010-06-13 | 2010-10-20 | 中国矿业大学 | Building method of filled wall body for gob-side entry retaining of large-inclination coal seam |
| CN102587933A (en) * | 2012-03-26 | 2012-07-18 | 兖州煤业股份有限公司 | Gob-side entry retaining method using prefabricated walls |
| CN103967519A (en) * | 2014-05-15 | 2014-08-06 | 山东科技大学 | Method for reinforcing gob-side entry retaining through fallen gangue in gob of composite top board inclined seam |
| CN108547660A (en) * | 2018-04-17 | 2018-09-18 | 湖南科技大学 | Suspension type reinforcement strengthens the goaf filling method of obturation |
-
2008
- 2008-11-05 CN CNU2008202156847U patent/CN201314241Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864987A (en) * | 2010-06-13 | 2010-10-20 | 中国矿业大学 | Building method of filled wall body for gob-side entry retaining of large-inclination coal seam |
| CN102587933A (en) * | 2012-03-26 | 2012-07-18 | 兖州煤业股份有限公司 | Gob-side entry retaining method using prefabricated walls |
| CN103967519A (en) * | 2014-05-15 | 2014-08-06 | 山东科技大学 | Method for reinforcing gob-side entry retaining through fallen gangue in gob of composite top board inclined seam |
| CN108547660A (en) * | 2018-04-17 | 2018-09-18 | 湖南科技大学 | Suspension type reinforcement strengthens the goaf filling method of obturation |
| CN108547660B (en) * | 2018-04-17 | 2019-07-09 | 湖南科技大学 | The goaf filling method of suspension type reinforcement reinforcing obturation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20151105 |
|
| EXPY | Termination of patent right or utility model |