CN1089011A - A kind of control floor lift in gallery technology - Google Patents
A kind of control floor lift in gallery technology Download PDFInfo
- Publication number
- CN1089011A CN1089011A CN 93111564 CN93111564A CN1089011A CN 1089011 A CN1089011 A CN 1089011A CN 93111564 CN93111564 CN 93111564 CN 93111564 A CN93111564 A CN 93111564A CN 1089011 A CN1089011 A CN 1089011A
- Authority
- CN
- China
- Prior art keywords
- anchor pole
- tunnel
- angle
- technology
- roadway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
Abstract
The invention discloses a kind of end distension of the support technology of controlling deformation of the surrounding rock in tunnel and floor lift in gallery, especially tunnel.This technology generally is applicable to mine underworkings and other underground construction, and the section configuration in tunnel is not limit.This technology is by adopting the supporting expense less, reinforcing means such as simple anchor pole of construction technology or grouting and reinforcing, reinforce the most weak position of country rock intensity, the development of control plastic zone of surrounding rock reaches the purpose that obtains Optimal Control deformation of the surrounding rock in tunnel and end distension with a small amount of support cost.Through on-the-spot down-hole type approval test, satisfy the industrial production needs fully, obtain the remarkable economical effect.
Description
The present invention relates to a kind of support technology of controlling roadway deformation and end distension in the roadway maintenance technical field, especially the end distension in tunnel, this technology is applicable to that generally mine underworkings and other underground construction, the section configuration in tunnel can be multiple drift section shapes such as arch, trapezoidal, rectangle and circle.Because soft-rock tunnel, high-ground stress tunnel, the tunnel that influenced by the back production dynamic pressure is big with the deflection in this several classes tunnel, tunnel that destroyed by geological structure, and end distension phenomenon is serious, therefore uses this technology in above-mentioned several classes tunnel, and its advantage is just more outstanding.
At present, preventing and treating the method that floor lift in gallery adopts both at home and abroad has following several usually:
(1) bottoming plate anchor pole in roadway floor overall with scope;
(2) grouting and reinforcing roadway floor;
(3), install or do not install additional the contractibility supporting member additional at roadway floor fluid concrete antiarch;
(4) the enclosed shape support is adopted in the tunnel;
(5) roadway floor fluting release;
(6) use bottom girder and dagger to the base plate supporting;
(7) base plate anchoring and slip casting combine use.
Though the various technical measures of above-mentioned these control floor lift in gallery have also played the purpose that reduces the floor lift in gallery amount to some extent under different condition, but they do not control the end distension in tunnel fully, mainly there is following shortcoming: (1) roadway construction technology more complicated, increase the construction works amount, influenced the driving speed in tunnel; (2) support cost is than higher; (3) when the floor lift in gallery amount is big, the phenomenon of failing usually appears in the technology of above-mentioned these control floor lift in gallery, warpage, distortion, destruction all can be taken place as enclosed shape support, bottom girder, antiarch etc., the base plate anchor pole also can rise with the base plate distension, like this, in case due effect is not only played in these measures failure, on the contrary to supporting overhaul, work such as tunnel planted agent brings great difficulty.
It is less that purpose of the present invention is developed a kind of supporting expense exactly, construction technology is simple, basically can control deformation of the surrounding rock in tunnel and floor lift in gallery in the tunnel in viability, make the tunnel need not overhaul and act as a planted agent and to satisfy the support technology of production requirement, reach the purpose that reduces roadway support expense and maintenance cost.
Principle of the present invention is to be mostly to tunnel in the tangible rock stratum of stratification according to the mine underworkings, often there is the lower rock stratum of rock mechanics intensity in wherein a large amount of roadway floors, and the intensity of its two nation is also very low, therefore, behind the digging laneway, when the gravity of overlying rock is delivered to roadway floor by tunnel two nations, weak two nations be subject to shear failure most and with the heavily stressed base plate that is delivered to than the superficial part position, make weak roadway floor also be easy to be subjected to shear failure, the base plate fragmented rock body promptly rises to lane space slippage distension after being subjected to the horizontal stress extruding.If Bang Heding, the base angle of reinforced roadway country rock weakness, especially base angle, improve the intensity of its rock mass, then the vertical stress of overlying rock can be delivered to the deep, near roadway floor and two nations rock mass is not subject to shear failure, plastic zone of surrounding rock is controlled and reduce near tunnel two nations and the base angle, and the distortion of tunnel two nations reduces, and floor lift in gallery promptly can be controlled.
Solution of the present invention is: adopt energy reinforced roadway country rock, the anchor pole, grouting and reinforcing or other reinforcement means that improve the roadway surrounding rock rock mass strength are as reinforcing the supporting means, focus on two nations, drift angle and the base angle of reinforced roadway weakness, also can reinforce one of them position or two positions according to the concrete condition of roadway surrounding rock, emphasis is to reinforce nation and base angle, needn't in roadway floor overall with scope, install anchor pole or grouting and reinforcing, get final product the optimum efficiency of controlled floor lift in gallery.
The present invention adopts the supporting expense few, the simple supporting means of construction technology, can control the surrouding rock deformation and the floor lift in gallery in tunnel effectively, roadway maintenance expense and supporting expense are significantly reduced, be a kind of not only economical, technically but also can satisfy the support technology of production needs fully, through on-the-spot down-hole type approval test, the mode at reinforced roadway nation, angle has obtained the remarkable result of control floor lift in gallery.
Embodiments of the invention: adopt weak nation, drift angle and the base angle in distension tunnel at the bottom of the bolt anchorage, the type that anchor pole uses can be the rigidity anchor pole, the anchor pole that can stretch, full length fastening formula anchor pole and end anchorage formula anchor pole etc.; Adopting the grouting and reinforcing mode, can be chemical grouting and cement injection.The type of service of anchor pole depends on the country rock mechanical property, the adhesion strength of anchoring agent and country rock and anchor pole, and size is pressed in the shifting ground; Intensity, thickness, inclination angle that soft stratum is depended at density that anchor pole is arranged at weak nation, angle and angle of inclination, size is pressed in head-room and shifting ground, two nation's rock strengths are lower, the shifting ground is pressed bigger, then two nation's anchor pole density are bigger, two nations should be inclined upwardly by the anchor pole of drift angle and become 20 °～30 ° with level, two nations tilt to the base plate direction by the anchor pole at base angle, become the α angle with the roadway floor level, the optimum value at α angle is 45 °, base plate is looked baseplate width by the place, base angle can not beat anchor pole, or makes a call to 1～2 anchor pole, does not beat anchor pole in roadway floor overall with scope.
Claims (3)
1, a kind of support technology of controlling floor lift in gallery, this technology generally is applicable to mine underworkings and other underground constructions, the section configuration in tunnel is not limit, it is characterized in that adopting reinforced roadway country rock, the anchor pole that improves roadway surrounding rock intensity or grouting and reinforcing as the reinforcing means, the nation of reinforced roadway weakness, drift angle and base angle, also can be wherein some or two, it be the nation and the base angle in tunnel that its emphasis is reinforced position, does not beat anchor pole in roadway floor overall with scope.
2, the support technology of control floor lift in gallery according to claim 1, it is characterized in that described anchor pole can be the rigidity anchor pole, the anchor pole that can stretch, full length fastening formula anchor pole and end anchorage formula anchor pole etc., grouting and reinforcing can be chemical grouting and cement injection.
3,, it is characterized in that the type that anchor pole uses depends on the mechanical property of country rock, the size of geostatic stress, the adhesion strength of anchoring agent and country rock and anchor pole according to the support technology of claim 1,2 described control floor lift in gallery; Intensity, thickness, inclination angle that anchor pole depends on soft stratum at the layout density and the angle of inclination at tunnel nation, angle, size is pressed in head-room and shifting ground, two nation's rock strengths are lower, the shifting ground is pressed bigger, the density that anchor pole is arranged is bigger, two nations are inclined upwardly by the anchor pole at drift angle place, and two nations tilt to the base plate direction by the anchor pole at place, base angle, and base plate is looked baseplate width by the place, base angle and can not beaten anchor pole or make a call to 1～2 anchor pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111564 CN1089011A (en) | 1992-12-29 | 1993-06-26 | A kind of control floor lift in gallery technology |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92115295 | 1992-12-29 | ||
| CN92115295.7 | 1992-12-29 | ||
| CN 93111564 CN1089011A (en) | 1992-12-29 | 1993-06-26 | A kind of control floor lift in gallery technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1089011A true CN1089011A (en) | 1994-07-06 |
Family
ID=25742881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93111564 Pending CN1089011A (en) | 1992-12-29 | 1993-06-26 | A kind of control floor lift in gallery technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1089011A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936172A (en) * | 2010-08-06 | 2011-01-05 | 中国矿业大学 | Governance method of floor heave of mine roadway during mining |
| CN101349155B (en) * | 2007-07-20 | 2011-04-13 | 河南理工大学 | Apparatus for controlling laneway bottom heave |
| CN102913255A (en) * | 2012-11-09 | 2013-02-06 | 中国矿业大学(北京) | Method for preventing bottom board of deep-seated heading from bulging and deforming |
| CN103291328A (en) * | 2013-06-29 | 2013-09-11 | 湖南科技大学 | Swelling rock roadway bottom plate treatment method |
| CN104481556A (en) * | 2014-11-25 | 2015-04-01 | 安徽理工大学 | Method for treating floor heave of inclined tunnel in coal mine |
| CN106401609A (en) * | 2016-11-10 | 2017-02-15 | 河南理工大学 | Bottom plate pressure relief and reinforcement structure for controlling floor heave of deep roadway and construction method of bottom plate pressure relief and reinforcement structure |
-
1993
- 1993-06-26 CN CN 93111564 patent/CN1089011A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349155B (en) * | 2007-07-20 | 2011-04-13 | 河南理工大学 | Apparatus for controlling laneway bottom heave |
| CN101936172A (en) * | 2010-08-06 | 2011-01-05 | 中国矿业大学 | Governance method of floor heave of mine roadway during mining |
| CN101936172B (en) * | 2010-08-06 | 2012-06-27 | 中国矿业大学 | Governance method of floor heave of mine roadway during mining |
| CN102913255A (en) * | 2012-11-09 | 2013-02-06 | 中国矿业大学(北京) | Method for preventing bottom board of deep-seated heading from bulging and deforming |
| CN103291328A (en) * | 2013-06-29 | 2013-09-11 | 湖南科技大学 | Swelling rock roadway bottom plate treatment method |
| CN103291328B (en) * | 2013-06-29 | 2015-05-13 | 湖南科技大学 | Swelling rock roadway bottom plate treatment method |
| CN104481556A (en) * | 2014-11-25 | 2015-04-01 | 安徽理工大学 | Method for treating floor heave of inclined tunnel in coal mine |
| CN106401609A (en) * | 2016-11-10 | 2017-02-15 | 河南理工大学 | Bottom plate pressure relief and reinforcement structure for controlling floor heave of deep roadway and construction method of bottom plate pressure relief and reinforcement structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1316127C (en) | Totally assembled type prefabricated concrete structure system | |
| JP2016515173A (en) | Precast concrete retaining wall | |
| CN101915108A (en) | Method for controlling floor heave of dynamic pressure tunnel | |
| CN101509383A (en) | Tunnel footing anchor pouring reinforcement anti bottom expanding method and construction technique | |
| CN109268027A (en) | A kind of tunnel apex angle curved surface country rock intensive control method | |
| CN107338864A (en) | A kind of prefabricated reinforced concrete frame structure node | |
| CN108150175A (en) | Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam | |
| CN101975074B (en) | Soft rock roadway anchored concrete filled steel tube anti-floor heave device and construction method thereof | |
| CN110645018B (en) | Mine underground strong dynamic pressure roadway prestress anchor-charging integrated supporting structure and method | |
| CN1089011A (en) | A kind of control floor lift in gallery technology | |
| CN201610546U (en) | Prestress anchoring frame plat | |
| CN101793098B (en) | Coordinated interactive combined rectification method | |
| CN109837811B (en) | Counterforce structure for transverse deviation rectification of ballastless track of roadbed section and manufacturing method thereof | |
| CN2197388Y (en) | T-shape retaining wall | |
| CN110258627A (en) | Combined type anchor draws road shoulder retaining wall and its construction method | |
| CN201826869U (en) | Soft rock roadway anchored steel pipe concrete anti-floor heave device | |
| CN202131610U (en) | Prestressed anchor rope buttress type dead wall applicable for rock foundation | |
| CN205688448U (en) | A kind of foundation pit support device utilizing karst fragmented rock body to reinforce bearing | |
| CN207079597U (en) | It is a kind of tiltedly to throw support support system | |
| CN212001238U (en) | Transmission line iron tower foundation | |
| Coates et al. | Rock anchor design mechanics | |
| CN111058368A (en) | Corrugated steel reinforcing arch utilizing high-strength grouting material and building method thereof | |
| CN2370065Y (en) | Hydraulic hammered hollow prefabricated pile | |
| CN208717917U (en) | The supporting construction of soft layer foundation pit | |
| CN218862645U (en) | Supporting construction in deep soft rock tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |