CN217151956U - Supporting construction for rich water tunnel - Google Patents
Supporting construction for rich water tunnel Download PDFInfo
- Publication number
- CN217151956U CN217151956U CN202220882647.1U CN202220882647U CN217151956U CN 217151956 U CN217151956 U CN 217151956U CN 202220882647 U CN202220882647 U CN 202220882647U CN 217151956 U CN217151956 U CN 217151956U
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- arc
- tunnel
- shaped supporting
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- block
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 49
- 239000004567 concrete Substances 0.000 claims description 29
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 239000002344 surface layer Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000009530 blood pressure measurement Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
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- 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
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a supporting construction for rich water tunnel, include: the tunnel body is positioned inside the karst layer, a buffer layer is arranged inside the tunnel body, and the outer side of the buffer layer is in contact with the buffer layer; the pressure detector is positioned on the inner side of the tunnel body and is fixed with the first arc-shaped supporting plate through screws; the first arc-shaped supporting and protecting plate is positioned on the inner side of the tunnel body, and a second arc-shaped supporting and protecting plate is arranged on the right side of the first arc-shaped supporting and protecting plate; and the pressing block is positioned at the lower end of the first arc-shaped supporting plate, and the right end of the pressing block is pressed with a side fixing block. The utility model provides a rich water of the inside of part rich water tunnel can cause certain impact to the tunnel, and the tunnel bearing strength is limited, and the impact of long-time rich water leads to the tunnel to take place the phenomenon of collapsing easily, and the rich water tunnel lacks supporting construction's problem.
Description
Technical Field
The utility model relates to a supporting construction field, concretely relates to supporting construction for rich water tunnel.
Background
The phenomenon of water burst and mud burst is often accompanied in the excavation construction of the tunnel in a karst development area, when the maximum water burst amount in the tunnel exceeds 1L/s, the tunnel can be defined as a water-rich tunnel, but the rich water in the interior of part of the water-rich tunnel can cause certain impact on the tunnel, the bearing strength of the tunnel is limited, the tunnel is easy to collapse due to the impact of the rich water for a long time, and the water-rich tunnel is lack of a supporting structure.
SUMMERY OF THE UTILITY MODEL
For overcoming the defect that prior art exists, provide a supporting construction for rich water tunnel at present to solve the rich water in the inside of part rich water tunnel and can cause certain impact to the tunnel, the tunnel bearing strength is limited, and the impact of long-time rich water leads to the tunnel to take place the phenomenon of collapsing easily, and the problem of rich water tunnel lack of supporting construction.
In order to realize above-mentioned purpose, provide a supporting construction for rich water tunnel, include:
the tunnel body is positioned inside the karst layer, a buffer layer is arranged inside the tunnel body, and the outer side of the buffer layer is in contact with the buffer layer;
the pressure detector is positioned on the inner side of the tunnel body and is fixed with the first arc-shaped supporting plate through a screw;
the first arc-shaped supporting and protecting plate is positioned on the inner side of the tunnel body, and a second arc-shaped supporting and protecting plate is arranged on the right side of the first arc-shaped supporting and protecting plate;
and the pressing block is positioned at the lower end of the first arc-shaped supporting plate, and the right end of the pressing block is pressed with a side fixing block.
Further, the inner side of the buffer layer is provided with an anti-seepage net-shaped layer, the inner side of the anti-seepage net-shaped layer is provided with a concrete base layer, and the inner side of the concrete base layer is provided with a concrete surface layer.
Further, rib pillars are fixedly penetrated in the concrete surface layer and the concrete base layer; and the rib support columns are welded on the outer side surfaces of the first arc-shaped supporting plate and the second arc-shaped supporting plate.
Further, the inside equidistance of concrete surface course is fixed with the support reinforcement, the cambered surface department at the inboard upper end of tunnel body is fixed to first arc branch backplate and second arc branch backplate.
Further, the lower end surfaces of the first arc-shaped supporting and protecting plate and the second arc-shaped supporting and protecting plate are welded with fixing plates; and the two fixed plates are connected through a threaded column, and a nut is screwed at the right end of the threaded column.
Furthermore, the left end of the compressing block is connected with a fixed plate block at the lower end of the first arc-shaped supporting plate through a compression spring, and the right end of the side fixed block is connected with a fixed plate block at the lower end of the second arc-shaped supporting plate through a compression spring.
Furthermore, the front ends and the rear ends of the compression block and the side fixing blocks are welded with connecting blocks; and the two groups of linking blocks are fixed by fastening bolts, and the surfaces of the linking blocks are provided with fixing holes.
Furthermore, the pressure detector is connected with a contact pressure sensor through a connecting wire, and the contact pressure sensor is embedded and fixed on the surface of the right end of the pressing block.
The utility model has the advantages that the supporting structure for the water-rich tunnel of the utility model covers the outer side of the concrete base layer of the tunnel by utilizing the buffer layer and the anti-seepage net-shaped layer, plays the role of buffering and supporting the concrete base layer, increases the bearing strength of the tunnel, is convenient for better bearing the impact brought by the tunnel, is fixed on the inner side surface of the water-rich tunnel by the first arc-shaped supporting guard plate and the second arc-shaped supporting guard plate, uses the threaded column, the pressing block and the side fixing block to fix the two groups of arc-shaped supporting guard plates, leads the two groups of arc-shaped supporting guard plates to be firmly fixed on the inner side of the tunnel, forms the supporting structure of the tunnel, is convenient for the two groups of arc-shaped supporting guard plates to play the role of supporting the tunnel, is convenient for effectively supporting and protecting the water-rich tunnel, reduces the phenomenon of collapse of the tunnel, improves the bearing capacity of the tunnel, can detect the numerical value of the pressure by the pressure detector, is convenient for judging whether the fixing of the arc-shaped supporting guard plates is loosened, is convenient for timely inspection and reinforcement, and solves the problem that the water-rich tunnel lacks a supporting structure.
Drawings
Fig. 1 is the utility model discloses rich water is supporting construction orthographic view schematic diagram for tunnel.
Fig. 2 is the utility model discloses rich water is supporting construction elevation section structure schematic diagram for tunnel.
Fig. 3 is a schematic view of a connection structure of the first arc-shaped supporting plate and the pressing block according to the embodiment of the present invention.
Fig. 4 is a schematic view of a partial connection cross-sectional structure of the first arc-shaped supporting plate and the second arc-shaped supporting plate according to the embodiment of the present invention.
Fig. 5 is a side view schematic diagram of the compact heap of the embodiment of the utility model.
1. A tunnel body; 11. a buffer layer; 12. an impermeable mesh layer; 13. a concrete base layer; 14. a concrete surface layer; 15. supporting the reinforcing steel bars; 2. a karst layer; 3. a pressure detector; 31. a screw; 32. connecting an electric wire; 33. a contact pressure sensor; 4. a first arc-shaped supporting plate; 41. a second arc-shaped supporting plate; 42. a rib post; 43. fixing the plate; 44. a threaded post; 5. a compression block; 51. a compression spring; 52. fastening a bolt; 53. a joining block; 54. a side fixing block; 55. and (7) fixing holes.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is the utility model discloses rich water is supporting structure orthographic view structural schematic diagram for tunnel, fig. 2 do the utility model discloses rich water is supporting structure orthographic view section structure schematic diagram for tunnel, fig. 3 do the utility model discloses a first arc is a backplate and compact heap connection structure schematic diagram, fig. 4 do the utility model discloses a first arc is a backplate and second arc is a backplate local connection section structure schematic diagram, fig. 5 do the utility model discloses a compact heap looks sideways at the structural schematic diagram.
Referring to fig. 1 to 5, the utility model provides a supporting construction for rich water tunnel, include: tunnel body 1, pressure measurement appearance 3, first arc backplate 4 and compact heap 5.
The tunnel body 1 is located 2 insides of karst layer, and 1 insides of tunnel body are provided with buffer layer 11, the buffer layer 11 outside contacts with buffer layer 11.
First arc is propped up backplate 4, is located the tunnel body 1 inboard, and first arc is propped up backplate 4 right side and is provided with second arc and props up backplate 41.
The pressing block 5 is located at the lower end of the first arc-shaped supporting plate 4, and the right end of the pressing block 5 is pressed with a side fixing block 54.
The rich water of the inside of part rich water tunnel can cause certain impact to the tunnel, and the tunnel bears the dynamics limited, and the impact of long-time rich water leads to the tunnel to take place the phenomenon of collapsing easily, and the problem of rich water tunnel lack supporting construction. Therefore, the supporting structure for the water-rich tunnel of the utility model covers the outer side of the concrete base layer of the tunnel by utilizing the buffer layer and the anti-seepage net-shaped layer, plays the role of buffering and supporting the concrete base layer, increases the bearing strength of the tunnel, is convenient for better bearing the impact brought by the tunnel, fixes two groups of arc-shaped supporting plates on the inner side surface of the water-rich tunnel by utilizing the first arc-shaped supporting plate and the second arc-shaped supporting plate, fixes the two groups of arc-shaped supporting plates by utilizing the threaded column, the pressing block and the side fixing block, leads the two groups of arc-shaped supporting plates to be firmly fixed on the inner side of the tunnel, forms the supporting structure of the tunnel, is convenient for the two groups of arc-shaped supporting plates to play the role of supporting the tunnel, is convenient for effectively supporting and protecting the water-rich tunnel, reduces the phenomenon of collapse of the tunnel, improves the bearing capacity of the tunnel, can detect the numerical value of the pressure by the pressure detector, is convenient for judging whether the fixing of the arc-shaped supporting plates is loosened, is convenient for timely inspection and reinforcement, and solves the problem that the water-rich tunnel lacks a supporting structure.
An anti-seepage net layer 12 is arranged on the inner side of the buffer layer 11, a concrete base layer 13 is arranged on the inner side of the anti-seepage net layer 12, and a concrete surface layer 14 is arranged on the inner side of the concrete base layer 13.
The buffer layer 11 is used for buffering the impact of the loose rock in the karst layer 2 on the tunnel body 1 and reducing the bearing force on the tunnel body 1, and the grid surface of the anti-seepage net-shaped layer 12 is filled with waterproof materials, so that the anti-seepage net-shaped layer 12 has an anti-seepage effect.
The outer sides of the first arc-shaped supporting plate 4 and the second arc-shaped supporting plate 41 are fixedly provided with five groups of rib struts 42, the rib struts 42 are convenient for the first arc-shaped supporting plate 4 and the second arc-shaped supporting plate 41 to be firmly fixed inside the concrete surface layer 14 and the concrete base layer 13, and the tunnel body 1 is convenient for being fixed with the arc-shaped supporting plates.
The inside equidistance of concrete surface layer 14 is fixed with support reinforcement 15, and first arc is propped backplate 4 and second arc and is fixed in the cambered surface department of the inboard upper end of tunnel body 1 with backplate 41.
The supporting bars 15 are used for supporting the supporting force of the reinforced concrete surface layer 14, so that the concrete surface layer 14 can bear the weight of the concrete base layer 13. The first arc-shaped supporting plate 4 and the second arc-shaped supporting plate 41 are fixed to form a supporting structure of the tunnel body 1.
The lower end surfaces of the first arc-shaped supporting and protecting plate 4 and the second arc-shaped supporting and protecting plate 41 are welded with fixed plates 43; and the two fixed plates 43 are connected through a threaded column 44, and a nut is screwed at the right end of the threaded column 44.
The threaded column 44 penetrates through the two fixing plates 43, and the first arc-shaped support and protection plate 4 and the second arc-shaped support and protection plate 41 are fixed by screwing nuts onto the surface of the threaded column 44. The lower ends of the first arc-shaped supporting plate 4 and the second arc-shaped supporting plate 41 are flush with the inner side bulge of the concrete base layer 13.
The left end of the compressing block 5 is connected with the fixed plate 43 at the lower end of the first arc-shaped supporting and protecting plate 4 through a compression spring 51, and the right end of the side fixed block 54 is connected with the fixed plate 43 at the lower end of the second arc-shaped supporting and protecting plate 41 through the compression spring 51.
Under the push of the elastic force of the compression spring 51, the side fixing block 54 is pressed leftwards, the pressing block 5 is pressed rightwards, the pressing block 5 and the side fixing block 54 are both pressed and fixed, and therefore the two groups of arc-shaped supporting plates are conveniently pressed and fixed.
The front ends and the rear ends of the compression block 5 and the side fixing blocks 54 are welded with connecting blocks 53; and the two groups of joining blocks 53 are fixed by fastening bolts 52, and fixing holes 55 are arranged on the surfaces of the joining blocks 53.
The compact heap 5 is fixed through fastening bolt 52 with side fixed block 54, avoids compact heap 5 and side fixed block 54 to produce not hard up or shift, strengthens the support of the first arc branch backplate 4 and the second arc branch backplate 41 fixed, is convenient for effectual support, protects rich water tunnel, reduces the tunnel and takes place the phenomenon of collapsing.
The pressure detector 3 is connected with a contact pressure sensor 33 through a connecting wire 32, and the contact pressure sensor 33 is embedded and fixed on the right end surface of the compression block 5.
The utility model discloses a supporting construction for rich water tunnel can effectively solve the problem that rich water tunnel lacks supporting construction, is convenient for effectual support, the rich water tunnel of protection, reduces the tunnel and takes place the phenomenon of collapsing, is applicable to supporting construction for the rich water tunnel.
Claims (8)
1. The utility model provides a supporting construction for rich water tunnel which characterized in that includes:
the tunnel body (1) is positioned inside the karst layer (2), a buffer layer (11) is arranged inside the tunnel body (1), and the outer side of the buffer layer (11) is in contact with the buffer layer (11);
the pressure detector (3) is positioned on the inner side of the tunnel body (1), and the pressure detector (3) is fixed with the first arc-shaped supporting plate (4) through a screw (31);
the first arc-shaped supporting and protecting plate (4) is positioned on the inner side of the tunnel body (1), and a second arc-shaped supporting and protecting plate (41) is arranged on the right side of the first arc-shaped supporting and protecting plate (4);
the pressing block (5) is located at the lower end of the first arc-shaped supporting plate (4), and the right end of the pressing block (5) is pressed with a side fixing block (54).
2. The supporting structure for the water-rich tunnel according to claim 1, wherein an impermeable mesh layer (12) is arranged inside the buffer layer (11), a concrete base layer (13) is arranged inside the impermeable mesh layer (12), and a concrete surface layer (14) is arranged inside the concrete base layer (13).
3. The supporting structure for the water-rich tunnel according to claim 2, wherein rib pillars (42) are penetratingly fixed inside the concrete surface layer (14) and the concrete base layer (13); and rib supports (42) are welded to the outer side surfaces of the first arc-shaped support plate (4) and the second arc-shaped support plate (41).
4. The supporting structure for the water-rich tunnel according to claim 3, wherein the concrete surface layer (14) is fixed with supporting steel bars (15) at equal intervals, and the first arc-shaped supporting plate (4) and the second arc-shaped supporting plate (41) are fixed at the arc surface at the upper end of the inner side of the tunnel body (1).
5. The supporting structure for the water-rich tunnel according to claim 1, wherein the lower end surfaces of the first arc-shaped supporting plate (4) and the second arc-shaped supporting plate (41) are welded with a fixing plate block (43); and the two fixed plates (43) are connected through a threaded column (44), and a nut is screwed at the right end of the threaded column (44).
6. The supporting structure for the water-rich tunnel according to claim 1, wherein the left end of the compressing block (5) is connected with the fixing plate block (43) at the lower end of the first arc-shaped supporting plate (4) through a compression spring (51), and the right end of the side fixing block (54) is connected with the fixing plate block (43) at the lower end of the second arc-shaped supporting plate (41) through the compression spring (51).
7. The supporting structure for the water-rich tunnel according to claim 1, wherein the front end and the rear end of the compression block (5) and the side fixing block (54) are welded with the connecting blocks (53); and the two groups of joining blocks (53) are fixed by fastening bolts (52), and fixing holes (55) are formed in the surfaces of the joining blocks (53).
8. The supporting structure for the water-rich tunnel according to claim 1, wherein the pressure detector (3) is connected with a contact pressure sensor (33) through a connecting wire (32), and the contact pressure sensor (33) is embedded and fixed on the right end surface of the pressing block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220882647.1U CN217151956U (en) | 2022-04-15 | 2022-04-15 | Supporting construction for rich water tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220882647.1U CN217151956U (en) | 2022-04-15 | 2022-04-15 | Supporting construction for rich water tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217151956U true CN217151956U (en) | 2022-08-09 |
Family
ID=82700315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220882647.1U Expired - Fee Related CN217151956U (en) | 2022-04-15 | 2022-04-15 | Supporting construction for rich water tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217151956U (en) |
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2022
- 2022-04-15 CN CN202220882647.1U patent/CN217151956U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220809 |