CN114856662B - High-ground-stress interbedded soft rock tunnel anchor rod supporting structure - Google Patents
High-ground-stress interbedded soft rock tunnel anchor rod supporting structure Download PDFInfo
- Publication number
- CN114856662B CN114856662B CN202210567899.XA CN202210567899A CN114856662B CN 114856662 B CN114856662 B CN 114856662B CN 202210567899 A CN202210567899 A CN 202210567899A CN 114856662 B CN114856662 B CN 114856662B
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- China
- Prior art keywords
- anchor rod
- diversion
- fixedly connected
- tunnel body
- tunnel
- 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.)
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- 239000011435 rock Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000002689 soil Substances 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract 2
- 238000010030 laminating Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a high-ground-stress interbedded soft rock tunnel anchor rod supporting structure, which solves the problems of unstable rock mass caused by insufficient supporting force and unstable anchor rod and rock mass caused by over-high humidity of the rock mass in the soft rock tunnel anchor rod supporting process; the invention comprises a tunnel body, wherein a plurality of groups of anchor rod fixing holes are formed in the tunnel body and are distributed at equal intervals, fixed anchor rods are arranged in the anchor rod fixing holes, the fixed anchor rods are of hollow structures, one end of each fixed anchor rod, which is arranged in each anchor rod fixing hole, is connected with an anchor rod head, a support frame which is arranged right below each anchor rod fixing hole is fixedly connected in the tunnel body, a plurality of blocking holes matched with the anchor rod fixing holes are formed in the support frame, a supporting circular plate which is fixedly connected with the tunnel body is coaxially arranged in each blocking hole, a threaded plate is detachably connected in each supporting circular plate, and the threaded plates are in threaded connection with the fixed anchor rods. The lower ends of the supporting ring sleeves are fixedly connected with a return vent pipe; the invention has exquisite structure and strong practicability.
Description
Technical Field
The invention relates to the technical field of tunnel anchor rod supporting equipment, in particular to a high-ground-stress interbedded soft rock tunnel anchor rod supporting structure.
Background
The anchor rod technology is a common supporting means and is widely applied to ground engineering such as rock soil, side slope deep foundation and the like and underground engineering such as mine sites, tunnels and the like. The key content of the anchor rod setting in the engineering mainly comprises an anchor rod side resistance distribution mode and a limit pulling resistance, wherein the anchor rod side resistance distribution mode directly determines the length of an anchor rod anchoring section or the limit pulling resistance of the anchor rod, and the limit pulling resistance determines the arrangement and the quantity of the anchor rods. However, the existing anchor bolt supporting device is simple in structure, poor in grip strength performance between the rod body and mortar, and unfavorable for increasing stability. In particular to a high-ground-stress interbedded soft rock tunnel, the soil layer is easy to be subjected to stress deformation due to the softness of geology, so that the instability of the whole structure and the fixation of the tunnel anchor rod is enhanced, and the supporting of the tunnel anchor rod is particularly important.
However, the following problems exist in the supporting process of the soft rock tunnel anchor rod at present:
1. The existing anchor rod and the stratum hole have small resistance, so that the anchor rod is not convenient to support, meanwhile, the stress in the tunnel cannot be buffered in the supporting process, the stratum cannot be prevented from being deformed, the stratum cannot be effectively supported, and unstable falling and rock mass collapse of the anchor rod are avoided;
2. due to the characteristics of soft rock, the rock mass around the anchor rod can deform when the water content becomes large, so that the structure is unstable, and the existing supporting structure cannot dredge and drain the rock mass around the anchor rod.
Therefore, the invention provides a high-ground stress interbedded soft rock tunnel anchor bolt supporting structure to solve the problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the high-ground-stress interbedded soft rock tunnel anchor rod supporting structure, which effectively solves the problems of unstable rock mass caused by insufficient supporting force and unstable anchor rod and rock mass caused by overhigh humidity of the rock mass in the soft rock tunnel anchor rod supporting process.
The novel tunnel comprises a tunnel body, wherein a plurality of groups of anchor rod fixing holes are formed in the tunnel body and are distributed at equal intervals, fixed anchor rods are arranged in the anchor rod fixing holes, the fixed anchor rods are of hollow structures, and one end of each fixed anchor rod, which is arranged in each anchor rod fixing hole, is connected with an anchor rod head;
The tunnel body is internally and fixedly connected with a support frame arranged under the anchor rod fixing hole, a plurality of plugging holes matched with the anchor rod fixing hole are formed in the support frame, a support circular plate fixedly connected with the tunnel body is coaxially arranged in the plugging holes, a thread plate is detachably connected in the support circular plate, and the thread plate is in threaded connection with the fixed anchor rod;
the lower end of the support frame is fixedly connected to the tunnel body.
Preferably, the support frame and the tunnel body are jointed with one side and provided with a sliding rail, the sliding rail is connected with a lifting support plate in a sliding manner, the lifting support plate is provided with a lifting sleeve matched with the plugging hole, and the lifting support plate is connected with the sliding rail through a strong spring.
Preferably, the lifting support plate and the sliding rail between set up with lifting support plate fixed connection's sealing ring cover, the sliding rail in be full of hydraulic oil, sliding rail lower extreme both sides seted up a plurality of oil holes, support frame lower extreme both sides all fixedly connected with hydraulic pressure storehouse, hydraulic pressure storehouse with the oil hole be linked together, hydraulic pressure storehouse in sliding connection have a sliding piston plate from top to bottom, sliding piston plate upper end fixedly connected with hydraulic telescoping rod, hydraulic telescoping rod upper end with hydraulic pressure storehouse upper end link to each other.
Preferably, two diversion trenches which are symmetrically distributed around are formed in one side, close to the tunnel body, of the lifting support plate, and soil isolation meshes are fixedly connected to one side, close to the tunnel body, of the diversion trenches.
Preferably, the anchor rod fixing hole around set up a plurality of water conservancy diversion holes, water conservancy diversion downthehole fixedly connected with water conservancy diversion pole, the water conservancy diversion pole on set up a plurality of infiltration holes, the inside coaxial fixedly connected with water conservancy diversion silver of water conservancy diversion pole, water conservancy diversion silver lower extreme arrange in water conservancy diversion slot inside, water conservancy diversion slot in laid the water conservancy diversion sponge.
Preferably, the two sides of the lower end of the lifting support are fixedly connected with water storage bins, the water storage bins are communicated with the diversion grooves, and the water storage bins are connected with an external water pumping device.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the internal structure of the present invention.
Fig. 3 is a schematic perspective view of the anchor rod and guide rod of the present invention.
Fig. 4 is a schematic view of the installation of the anchor and guide rods of the present invention.
Fig. 5 is a schematic view of the support plate and the connection member thereof according to the present invention.
Fig. 6 is a schematic perspective view of the support plate of the present invention.
FIG. 7 is a schematic cross-sectional view of a hydraulic cartridge and a connector of the present invention.
Fig. 8 is a schematic view of a sliding track according to the present invention.
FIG. 9 is a schematic cross-sectional view of the guide rod and its internal structure.
Detailed Description
The foregoing and other features, aspects and advantages of the present invention will become more apparent from the following detailed description of the embodiments with reference to the accompanying drawings, 1-9. The following embodiments are described in detail with reference to the drawings.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The first embodiment of the invention is a high-ground stress interbedded soft rock tunnel anchor bolt supporting structure, which comprises a tunnel body 1, wherein the tunnel body 1 provides a fixed supporting foundation for a subsequent structure, a plurality of groups of anchor bolt fixing holes 2 are formed in the tunnel body 1, the anchor bolts are installed through the anchor bolt fixing holes 2, the anchor bolt fixing holes 2 are distributed at equal intervals, fixed anchor bolts 3 are arranged in the anchor bolt fixing holes 2, one end of each fixed anchor bolt 3 in the anchor bolt fixing hole 2 is connected with an anchor bolt head 4, the fixed anchor bolts 3 are of hollow structures, concrete can be poured into the anchor bolt fixing holes 2 through the fixed anchor bolts 3, and meanwhile, steel wires or steel ropes can be penetrated into the hollow fixed anchor bolts 3, so that the limit fixation of the subsequent structure is facilitated;
The tunnel body 1 is internally and fixedly connected with a support frame 5 arranged right below the anchor rod fixing hole 2, the tunnel body 1 is supported through the support frame 5, deformation of the tunnel body 1 is avoided, a plurality of plugging holes 6 matched with the anchor rod fixing hole 2 are formed in the support frame 5, concrete poured in the anchor rod fixing hole 2 is plugged through plugging control, falling-off phenomenon of the concrete which is not solidified is avoided, a support circular plate 7 fixedly connected with the tunnel body 1 is coaxially arranged in the plugging holes 6, the support circular plate 7 is fixedly connected to the tunnel body 1 through expansion bolts, supporting of structures entering the anchor rod fixing hole 2 is realized through the support circular plate 7, a threaded plate is detachably connected in the support circular plate 7, the threaded plate is in threaded connection with the fixing plate 3, the anchor rod 3 is realized through the threaded plate, the anchor rod 3 is controlled to rotate through the screw plate 3, and the anchor rod 3 is controlled to rotate, and the anchor rod 3 is fixed through sliding;
The lower end of the support frame 5 is fixedly connected to the tunnel body 1, the support of the tunnel body 1 is realized through the support frame 5 arranged on the ground, the support of the tunnel body 1 is effectively realized, and the phenomenon that the soft rock and soil are deformed to cause unstable tunnel exit structure is avoided;
In the concrete implementation of this embodiment, in the process of fixing the anchor rod, firstly, the support frame 5 is placed in the tunnel body 1, then the support circular plate 7 is fixed at the periphery of the anchor rod fixing hole 2, then the anchor rod is placed in the anchor rod fixing hole 2, then the threaded plate is sleeved on the fixed anchor rod 3, then the threaded plate is fixedly connected to the support circular plate 7, then the anchor rod head 4 is fixed in the anchor rod fixing hole 2, then the concrete is filled in the anchor rod fixing hole 2 through the fixing screw rod, then the fixing anchor rod 3 is rotated, the fixing anchor rod 3 is withdrawn out of the anchor rod fixing hole 2, then the external plugging plug is placed in the threaded plate, then the limit of the concrete in the anchor rod fixing hole 2 is realized, and the solidification of the concrete in the anchor rod fixing hole 2 is realized.
Embodiment two, on the basis of embodiment one, through the support 5 to tunnel body 1 support the process, can appear tunnel body 1 warp and lead to the hard cracked problem of support 5, lead to support 5 support the function really, therefore this embodiment provides a flexible tunnel body 1 supporting construction, specifically, support 5 with tunnel body 1 laminating one side offered slip track 8 mutually, slip track 8 sliding connection have lift extension board 9, realize through lift extension board 9 to tunnel body 1 support, avoided tunnel body 1 take place deformation, and then lead to the stock to fix not firm, lift extension board 9 on offered with shutoff hole 6 matched with lift cover, guarantee lift extension board 9 can smooth slip, lift extension board 9 with slip track 8 pass through powerful spring link to each other, realize through powerful spring to lift extension board 1 laminating 9 when laminating one side has offered slip track 8, realize through the powerful spring 9 to realize simultaneously to the realization of strong support board can be to the realization the deformation of tunnel body 1, the realization is to the strong spring 9 can be avoided simultaneously to the realization is broken, the realization is to the realization of strong deformation of lift extension board 1.
In the third embodiment, on the basis of the second embodiment, in order to realize the reinforced auxiliary support of the lifting support plate 9, the structure for supporting the tunnel body 1 in an effective manner is provided, so that the structure for supporting the tunnel body in an auxiliary manner is specifically provided, a sealing ring sleeve fixedly connected with the lifting support plate 9 is arranged between the lifting support plate 9 and the sliding rail 8, the sealing between the lifting support plate 9 and the sliding rail 8 is realized through the sealing ring sleeve, hydraulic oil is filled in the sliding rail 8, a plurality of oil holes 11 are formed in two sides of the lower end of the sliding rail 8, hydraulic bins 12 are fixedly connected to two sides of the lower end of the support frame 5, the hydraulic bins 12 are communicated with the oil holes 11, sliding plates 13 are connected to the upper and lower sides of the hydraulic bins 12 in a sliding manner, hydraulic telescopic rods 14 are fixedly connected to the upper ends of the hydraulic bins 12, the upper ends of the hydraulic telescopic rods 14 are connected to the upper ends of the piston bins 12, the hydraulic telescopic rods 14 drive the hydraulic telescopic rods 13 to further realize the lifting support plate 9.
In the fourth embodiment, on the basis of the second embodiment, because of the geological features of soft earth and rock, the tunnel body 1 will have stress deformation in a humid environment, so it is particularly important to guide the water in the tunnel body 1, so this embodiment provides a guide structure, specifically, two guide grooves 15 that are symmetrically distributed around are provided on the side of the lifting support plate 9, which is close to the tunnel body 1, in the guide grooves 15, a soil isolation net 16 is fixedly connected to the side, which is close to the tunnel body 1, of the guide grooves 15, the water in the tunnel body 1 is guided by the guide grooves 15, and meanwhile, the soil isolation net 16 isolates the soil of the tunnel body 1, so that the rock and soil are prevented from entering the guide grooves 15, the guide grooves 15 are blocked, the water in the tunnel body 1 is timely discharged to the outside, and the stability of the rock and the soil of the tunnel body 1 is ensured.
In order to ensure the stability of the fixing anchor rod 3 hole and remove the water around the anchor rod in time, the embodiment provides an auxiliary support and diversion structure, specifically, a plurality of diversion holes 17 are formed around the anchor rod fixing hole 2, the diversion rod 10 is fixedly connected in the diversion holes 17, the auxiliary support of the anchor rod is realized through the diversion rod 10, the deformation of rock and soil near the anchor rod is avoided, a plurality of water seepage holes 18 are formed in the diversion rod 10, the water in the rock body is diversion through the water seepage holes 18, the outside water is ensured to enter the diversion rod 10, the diversion rod 10 is coaxially and fixedly connected with a diversion 19, the lower end of the diversion rod 19 is arranged in the diversion groove 15, the water in the diversion rod 10 is guided into the diversion groove 15 through the diversion rod 19, a diversion sponge is paved in the diversion groove 15, and the water is adsorbed into the outside through the diversion sponge.
Embodiment six, on the basis of embodiment five, in order to be convenient for collect the internal water of rock, so this embodiment provides a retaining structure, specifically, lifting support lower extreme both sides all fixedly connected with retaining storehouse 20, retaining storehouse 20 with water conservancy diversion slot 15 be linked together, retaining storehouse 20 with external pumping device link to each other, through retaining storehouse with the water in the water conservancy diversion slot 15 collect, simultaneously through pumping device with the water in the retaining storehouse 20 take out, the discharge is outside.
When the anchor rod fixing device is particularly used, in the process of fixing an anchor rod, firstly, a support frame 5 is arranged in a tunnel body 1, then a support circular plate 7 is fixed at the periphery of an anchor rod fixing hole 2, then an anchor rod is arranged in the anchor rod fixing hole 2, then a thread plate is sleeved on a fixed anchor rod 3, then the thread plate is fixedly connected to the support circular plate 7, then an anchor rod head 4 is fixed in the anchor rod fixing hole 2, then concrete is filled in the anchor rod fixing hole 2 through a fixing screw rod, then the anchor rod 3 is rotated and fixed, the fixed anchor rod 3 is withdrawn from the anchor rod fixing hole 2, then the anchor rod is arranged in the thread plate through an external plugging plug, and then the limit of the concrete in the anchor rod fixing hole 2 is realized, so that the concrete in the anchor rod fixing hole 2 is solidified;
meanwhile, when the diversion rod 10 is arranged around the fixed anchor rod 3, the diversion cotton sliver 19 is arranged in the diversion groove 15, and then the water body in the rock body is led into the water storage bin 20, so that diversion of the water body in the rock body is realized;
when the rock mass is deformed, the tunnel body 1 is supported through the powerful spring and the lifting support plate 9, meanwhile, when large deformation occurs, the hydraulic telescopic rod 14 is started, the sliding piston plate 13 is pressed, the powerful support of the lifting support plate 9 is further achieved, and the effective support of the tunnel body 1 is achieved.
Claims (4)
1. The utility model provides a high ground stress interbedded soft rock tunnel anchor bolt supporting structure, includes tunnel body (1), its characterized in that, tunnel body (1) in set up a plurality of groups stock fixed orifices (2), with the equidistant distribution of group stock fixed orifices (2), stock fixed orifices (2) in all put fixed stock (3), fixed stock (3) be hollow structure, fixed stock (3) arrange in stock fixed orifices (2) one end be connected with anchor head (4);
The tunnel body (1) is internally and fixedly connected with a support frame (5) arranged right below the anchor rod fixing hole (2), a plurality of plugging holes (6) matched with the anchor rod fixing hole (2) are formed in the support frame (5), a support circular plate (7) fixedly connected with the tunnel body (1) is coaxially arranged in the plugging holes (6), a thread plate is detachably connected in the support circular plate (7), and the thread plate is in threaded connection with the fixed anchor rod (3);
the lower end of the support frame (5) is fixedly connected to the tunnel body (1);
A sliding rail (8) is arranged on one side, which is attached to the tunnel body (1), of the support frame (5), a lifting support plate (9) is connected in a sliding manner in the sliding rail (8), a lifting sleeve matched with the plugging hole (6) is arranged on the lifting support plate (9), and the lifting support plate (9) is connected with the sliding rail (8) through a strong spring;
Lifting support plate (9) with sliding track (8) between be put with lifting support plate (9) fixed connection's sealing ring cover, sliding track (8) in be full of hydraulic oil, sliding track (8) lower extreme both sides seted up a plurality of oil holes (11), support frame (5) lower extreme both sides all fixedly connected with hydraulic pressure storehouse (12), hydraulic pressure storehouse (12) with oil hole (11) be linked together, hydraulic pressure storehouse (12) in about sliding connection have sliding piston plate (13), sliding piston plate (13) upper end be connected with hydraulic telescoping rod (14), hydraulic telescoping rod (14) upper end with hydraulic pressure storehouse (12) upper end link to each other.
2. The high-ground-stress interbedded soft rock tunnel anchor rod supporting structure according to claim 1, wherein two guide grooves (15) which are symmetrically distributed around are formed in the lifting support plate (9) at one side close to the tunnel body (1), and a soil isolation net sheet (16) is fixedly connected to one side, close to the tunnel body (1), of the guide grooves (15).
3. The high-ground-stress interbed soft rock tunnel anchor rod supporting structure according to claim 2, characterized in that a plurality of diversion holes (17) are formed in the periphery of the anchor rod fixing hole (2), a diversion rod (10) is fixedly connected in the diversion hole (17), a plurality of water seepage holes (18) are formed in the diversion rod (10), a diversion cotton sliver (19) is fixedly connected in the diversion rod (10) coaxially, the lower end of the diversion cotton sliver (19) is arranged in the diversion groove (15), and a diversion sponge is paved in the diversion groove (15).
4. A high-ground-stress interbedded soft rock tunnel anchor rod supporting structure according to claim 3, characterized in that both sides of the lower end of the supporting frame (5) are fixedly connected with water storage bins (20), the water storage bins (20) are communicated with the diversion trenches (15), and the water storage bins (20) are connected with an external pumping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567899.XA CN114856662B (en) | 2022-05-24 | 2022-05-24 | High-ground-stress interbedded soft rock tunnel anchor rod supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567899.XA CN114856662B (en) | 2022-05-24 | 2022-05-24 | High-ground-stress interbedded soft rock tunnel anchor rod supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114856662A CN114856662A (en) | 2022-08-05 |
| CN114856662B true CN114856662B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210567899.XA Active CN114856662B (en) | 2022-05-24 | 2022-05-24 | High-ground-stress interbedded soft rock tunnel anchor rod supporting structure |
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| Country | Link |
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| CN (1) | CN114856662B (en) |
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| KR20120031377A (en) * | 2010-09-24 | 2012-04-03 | 박이근 | Apparaus for preventing tunnel-caving in and tunnel-constructing method thereby |
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| CN109944619A (en) * | 2019-04-15 | 2019-06-28 | 辽宁工程技术大学 | A kind of Support Method for high ground stress soft rock stress tunnel |
| CN110094213A (en) * | 2019-05-28 | 2019-08-06 | 福建工程学院 | The spaces union supporting construction and method for protecting support in a kind of rich water broken formation tunnel |
| CN210164491U (en) * | 2019-05-28 | 2020-03-20 | 田军光 | A tunnel face consolidates stock device for railway tunnel construction |
| CN112832834A (en) * | 2021-03-04 | 2021-05-25 | 淮北市平远软岩支护工程技术有限公司 | High-strength and high-toughness support sealing layer technology for preventing rock mass from ejecting and sealing layer equipment |
| CN213392185U (en) * | 2020-09-07 | 2021-06-08 | 中电建路桥集团有限公司 | Shallow little clean slip casting supporting construction for apart from tunnel of burying bias voltage |
| CN113152452A (en) * | 2021-02-05 | 2021-07-23 | 温州电力设计有限公司 | Novel stock stake of improvement for building |
-
2022
- 2022-05-24 CN CN202210567899.XA patent/CN114856662B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120031377A (en) * | 2010-09-24 | 2012-04-03 | 박이근 | Apparaus for preventing tunnel-caving in and tunnel-constructing method thereby |
| CN208950604U (en) * | 2018-10-19 | 2019-06-07 | 中交三公局第一工程有限公司 | One kind reinforcing support construction for bias small-clear-distance tunnel surface grouting |
| CN109944619A (en) * | 2019-04-15 | 2019-06-28 | 辽宁工程技术大学 | A kind of Support Method for high ground stress soft rock stress tunnel |
| CN110094213A (en) * | 2019-05-28 | 2019-08-06 | 福建工程学院 | The spaces union supporting construction and method for protecting support in a kind of rich water broken formation tunnel |
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| CN213392185U (en) * | 2020-09-07 | 2021-06-08 | 中电建路桥集团有限公司 | Shallow little clean slip casting supporting construction for apart from tunnel of burying bias voltage |
| CN113152452A (en) * | 2021-02-05 | 2021-07-23 | 温州电力设计有限公司 | Novel stock stake of improvement for building |
| CN112832834A (en) * | 2021-03-04 | 2021-05-25 | 淮北市平远软岩支护工程技术有限公司 | High-strength and high-toughness support sealing layer technology for preventing rock mass from ejecting and sealing layer equipment |
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| CN114856662A (en) | 2022-08-05 |
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