CN210530870U - Tunnel supporting structure - Google Patents
Tunnel supporting structure Download PDFInfo
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- CN210530870U CN210530870U CN201921546264.1U CN201921546264U CN210530870U CN 210530870 U CN210530870 U CN 210530870U CN 201921546264 U CN201921546264 U CN 201921546264U CN 210530870 U CN210530870 U CN 210530870U
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- steel plate
- corrugated steel
- tunnel
- lining
- mounting
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Abstract
The utility model belongs to the technical field of the tunnel engineering technique and specifically relates to a tunnel supporting construction is related to. The tunnel lining structure comprises a lining arranged on the inner wall of a tunnel, wherein a mounting seat is arranged on the lining; the light steel keel is fixedly connected to the mounting seat and comprises a first mounting end, a second mounting end and a groove bottom, wherein the first mounting end, the second mounting end and the groove bottom are arranged on two sides of the light steel keel; the second mounting end is fixedly connected with a corrugated steel plate, and a pouring window is arranged on the corrugated steel plate; and a supporting layer is poured between the lining and the corrugated steel plate. The utility model provides a pair of tunnel supporting construction has effectively improved tunnel supporting's intensity.
Description
Technical Field
The utility model belongs to the technical field of the tunnel engineering technique and specifically relates to a tunnel supporting construction is related to.
Background
After the tunnel is excavated, the original balance of the stratum around the tunnel is damaged, and the tunnel is deformed or collapsed. In order to protect the stability of the surrounding rock and ensure driving safety, the tunnel must have a supporting structure of sufficient strength, i.e. a tunnel lining.
The tunnel lining is a permanent supporting structure constructed by materials such as reinforced concrete and the like along the periphery of the tunnel body in order to prevent surrounding rocks from deforming or collapsing, but the tunnel body has poor pressure resistance only by the aid of the lining supporting effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel supporting construction has effectively improved tunnel supporting's intensity.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a tunnel supporting structure comprises a lining arranged on the inner wall of a tunnel, wherein a mounting seat is arranged on the lining;
the light steel keel is fixedly connected to the mounting seat and comprises a first mounting end, a second mounting end and a groove bottom, wherein the first mounting end, the second mounting end and the groove bottom are arranged on two sides of the light steel keel;
the second mounting end is fixedly connected with a corrugated steel plate, and a pouring window is arranged on the corrugated steel plate;
and a supporting layer is poured between the lining and the corrugated steel plate.
By adopting the technical scheme, the lining and the corrugated steel plate are connected by the light steel keel to form a closed pouring cavity, concrete is injected into the pouring cavity from the pouring window on the corrugated steel plate to form a supporting layer, the light steel keel has the effects of light weight, high strength, water resistance, shock resistance and the like, and the light steel keel is used as a main support of the pouring cavity, so that the strength of the supporting layer is improved, and the strength of tunnel supporting is further improved; the light steel keel is used as a main support for pouring the cavity, and the lining and the corrugated steel plate are connected, so that the construction period is short, and the construction is simple and convenient.
The utility model discloses further set up to: the embedded first rag bolt that is provided with of mount pad, be provided with a plurality of nail holes of crossing on the first installing end, first installing end is fixed on the first rag bolt.
Through adopting above-mentioned technical scheme, with first rag bolt embedding mount pad in, first installation end is installed on first rag bolt, guarantees that light gauge steel fixes on the mount pad.
The utility model discloses further set up to: the second mounting end is provided with a plurality of corresponding nail passing holes, the first foundation bolts penetrate through the second mounting end, and the corrugated steel plate is fixed on the second mounting end through the first foundation bolts.
Through adopting above-mentioned technical scheme, corrugated steel plate passes through first rag bolt fixed mounting on light gauge steel, and first rag bolt, light gauge steel provide the pulling force and offset corrugated steel plate and receive the pressure of a protective layer, and then guarantee to pour smoothly, improve tunnel support intensity.
The utility model discloses further set up to: the annular of lining cutting is provided with a plurality of the mount pad.
Through adopting above-mentioned technical scheme, provide a plurality of mounting points, realize the installation of a plurality of light gauge steel, and then improve the intensity that the tunnel was strutted.
The utility model discloses further set up to: and one corrugated steel plate is arranged between every two adjacent mounting seats.
Through adopting above-mentioned technical scheme, the manufacturing and the installation of the corrugated steel plate of being convenient for, and the pressure that the polylith corrugated steel plate can disperse the tunnel hole body.
The utility model discloses further set up to: the through hole is a waist-shaped through hole.
By adopting the technical scheme, the pouring cavity formed between the lining and the corrugated steel plate is communicated, so that the concrete can pass through, and the pouring sufficiency is further ensured.
The utility model discloses further set up to: one end of the corrugated steel plate, which is close to the ground, is provided with an installation platform, and a second foundation bolt is embedded into the installation platform;
the corrugated steel plate is fixedly connected with the second foundation bolt.
Through adopting above-mentioned technical scheme, it is fixed with the corrugated steel plate one end that is close to ground.
The utility model discloses further set up to: and a waterproof layer is arranged on one side of the corrugated steel plate, which is far away from the supporting layer.
Through adopting above-mentioned technical scheme, prevent to pour in-process concrete and leak from corrugated steel plate's joint line, prevent simultaneously that the tunnel hole body has water to ooze.
To sum up, the utility model discloses a beneficial technological effect does:
1. the lining and the corrugated steel plate are connected by the light steel keel to form a closed pouring cavity, concrete is injected into the pouring cavity from a pouring window on the corrugated steel plate to form a supporting layer, the light steel keel has the effects of light weight, high strength, water resistance, shock resistance and the like, and the light steel keel is used as a main support of the pouring cavity, so that the strength of the supporting layer is improved, and the strength of tunnel supporting is further improved; the light steel keel is used as a main support for pouring the cavity, and the lining and the corrugated steel plate are connected, so that the construction period is short, and the construction is simple and convenient.
2. Corrugated steel plate passes through first rag bolt fixed mounting on light gauge steel, and first rag bolt, light gauge steel provide the pulling force and offset corrugated steel plate and receive the pressure of a sheath, and then guarantee to pour smoothly, improve tunnel support intensity.
3. The waterproof layer is installed to one side that a protective layer was kept away from to corrugated steel plate, prevents to pour in-process concrete and leaks from corrugated steel plate's joint line, prevents simultaneously that the tunnel hole body has water to ooze.
Drawings
Fig. 1 is a schematic structural view of a tunnel supporting structure provided by the present invention;
FIG. 2 is an enlarged view I of a portion of FIG. 1;
FIG. 3 is a partial enlarged view II of FIG. 1;
fig. 4 is a schematic structural view of a light steel keel of a tunnel supporting structure provided by the present invention;
fig. 5 is a schematic structural view of a corrugated steel plate of a tunnel supporting structure provided by the present invention.
In the figure, 101, lining; 102. a supporting layer; 103. a corrugated steel plate; 104. a waterproof layer; 105. a mounting seat; 106. an installation table; 107. pouring the window; 201. a light steel keel; 202. a first mounting end; 203. a second mounting end; 204. the bottom of the tank; 205. a waist-shaped through hole; 301. a first anchor bolt; 302. a first nut; 303. a second nut; 304. an elastic pad; 401. a second footing bolt; 402. and a third nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, for the utility model discloses a tunnel supporting structure, including reinforced concrete lining 101 of building on the tunnel inner wall, the hoop along lining 101 builds the mount pad 105 of a plurality of concretes, and here mount pad 105 and lining 101 are integrative to be set up, guarantee mount pad 105's intensity. Embedding first rag bolt 301 when lining 101 and mount pad 105 are built, installing light gauge steel 201 on first rag bolt 301, seted up corresponding nail hole of crossing on first installation end 202 and the second installation end 203 of light gauge steel 201, penetrating first rag bolt 301 with the nail hole of crossing of light gauge steel 201 to fix the first installation end 202 of light gauge steel 201 on mount pad 105 with first nut 302, realize light gauge steel 201's fixed mounting. The corrugated steel plate 103 is mounted on the second mounting end 203, the corrugated steel plate 103 is fixed through the second nut 303 and the first anchor bolt 301, and the elastic gasket 304 is mounted between the second nut 303 and the corrugated steel plate 103, because the corrugated steel plate 103 and the second nut 303 are both rigid pieces and the surface of the corrugated steel plate 103 is a curved surface, the elastic gasket 304 can fill up a gap between the corrugated steel plate 103 and the second nut 303, and the stable fixation of the corrugated steel plate 103 is ensured. Here, a corrugated steel plate 103 is installed between two adjacent installation seats 105, so that the corrugated steel plate 103 is convenient to manufacture and install, and the plurality of corrugated steel plates 103 are installed in the circumferential direction of the tunnel, so that the pressure of the tunnel body can be dispersed. The waterproof layer 104 is fixedly arranged on the surface of the corrugated steel plate 103, the waterproof layer 104 is made of universal waterproof materials, and as long as the waterproof requirement of the machine shell is met, concrete can be prevented from leaking from a connecting gap of the corrugated steel plate 103 in the pouring process, and meanwhile, water seepage of the tunnel body is prevented.
The light steel keel 201 is connected with the lining 101 and the corrugated steel plate 103 to form a closed pouring cavity, concrete is injected into the pouring cavity from the pouring window 107 on the corrugated steel plate 103 to form a supporting layer 102, the light steel keel 201 has the effects of light weight, high strength, water resistance, shock resistance and the like, and the light steel keel 201 is used as a main support of the pouring cavity, so that the strength of the supporting layer 102 is improved, and the strength of tunnel supporting is further improved; the light steel keel 201 is used as a main support for pouring the cavity, and the lining 101 and the corrugated steel plate 103 are connected, so that the construction period is short, and the construction is simple and convenient.
Referring to fig. 1 and 3, an installation platform 106 is arranged on the ground, a second ground bolt 401 is embedded into the installation platform 106, one end, close to the ground, of the corrugated steel plate 103 is arranged at 90 degrees, an installation hole is formed in the horizontal end, and the horizontal end is fixed on the installation platform 106 through a third nut 402 and the second ground bolt 401, so that the fixing of one end, close to the ground, of the corrugated steel plate 103 is guaranteed.
Referring to fig. 4, one side of the light steel keel 201 is a first installation end 202, the opposite side is a second installation end 203, a groove bottom 204 is arranged between the first installation end 202 and the second installation end 203, and a plurality of waist-shaped through holes 205 are formed in the groove bottom 204, so that a pouring cavity formed between the lining 101 and the corrugated steel plate 103 is communicated, concrete can pass through, and further pouring sufficiency is guaranteed.
Referring to fig. 5, a pouring window 107 is formed in the corrugated steel plate 103, a door is hinged to the pouring window 107, and a handle is mounted on the door, so that a constructor can open or close the pouring window 107 conveniently. During pouring, a door on the pouring window 107 is opened; after the pouring is completed, the door is closed to prevent the concrete from leaking, and the supporting layer 102 is formed after the concrete is solidified. It should be noted that the number of the casting windows 107 is arbitrary and is selected according to the actual casting speed, but too much casting window may cause excessive leakage of the cast concrete.
The implementation principle of the embodiment is as follows: the lining 101 and the corrugated steel plate 103 are connected through the light steel keel 201 to form a closed pouring cavity, concrete is injected into the pouring cavity from the pouring window 107 on the corrugated steel plate 103 to form a supporting layer 102, the light steel keel 201 has the effects of light weight, high strength, water resistance, shock resistance and the like, and the light steel keel 201 is used as a main support of the pouring cavity, so that the strength of the supporting layer 102 is improved, and the strength of tunnel supporting is further improved; the light steel keel 201 is used as a main support for pouring the cavity, and the lining 101 and the corrugated steel plate 103 are connected, so that the construction period is short, and the construction is simple and convenient; the corrugated steel plate 103 is fixedly arranged on the light steel keel 201 through the first foundation bolt 301, and the first foundation bolt 301 and the light steel keel 201 provide pulling force to offset the pressure of the corrugated steel plate 103 on the supporting layer 102, so that the smooth pouring is ensured, and the supporting strength of the tunnel is improved; the waterproof layer 104 is installed on one side of the corrugated steel plate 103, which is far away from the supporting layer 102, so that concrete is prevented from leaking from a connecting gap of the corrugated steel plate 103 in the pouring process, and water seepage of the tunnel body is prevented.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A tunnel supporting structure comprising a lining (101) provided on an inner wall of a tunnel, characterized in that: the lining (101) is provided with a mounting seat (105);
the light steel keel (201) is fixedly connected to the mounting base (105), the light steel keel (201) comprises a first mounting end (202), a second mounting end (203) and a groove bottom (204), the first mounting end (202) is connected with the mounting base (105), and the groove bottom (204) is provided with a plurality of through holes;
the second mounting end (203) is fixedly connected with a corrugated steel plate (103), and a pouring window (107) is arranged on the corrugated steel plate (103);
and a supporting layer (102) is poured between the lining (101) and the corrugated steel plate (103).
2. A tunnel support structure according to claim 1, wherein: embedding is provided with first rag bolt (301) in mount pad (105), be provided with a plurality of nail holes of crossing on first installation end (202), first installation end (202) are fixed on first rag bolt (301).
3. A tunnel support structure according to claim 2, wherein: the second mounting end (203) is provided with a plurality of corresponding nail passing holes, the first anchor bolts (301) penetrate through the second mounting end (203), and the corrugated steel plate (103) is fixed on the second mounting end (203) through the first anchor bolts (301).
4. A tunnel support structure according to claim 1, wherein: the ring direction of the lining (101) is provided with a plurality of the mounting seats (105).
5. A tunnel support structure according to claim 4, wherein: and a corrugated steel plate (103) is arranged between every two adjacent mounting seats (105).
6. A tunnel support structure according to claim 1, wherein: the through hole is a waist-shaped through hole (205).
7. A tunnel support structure according to claim 1, wherein: one end, close to the ground, of the corrugated steel plate (103) is provided with an installation table (106), and a second foundation bolt (401) is embedded into the installation table (106);
the corrugated steel plate (103) is fixedly connected with the second foundation bolt (401).
8. A tunnel support structure according to claim 1, wherein: and a waterproof layer (104) is arranged on one side of the corrugated steel plate (103) far away from the supporting layer (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546264.1U CN210530870U (en) | 2019-09-17 | 2019-09-17 | Tunnel supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546264.1U CN210530870U (en) | 2019-09-17 | 2019-09-17 | Tunnel supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210530870U true CN210530870U (en) | 2020-05-15 |
Family
ID=70605598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921546264.1U Active CN210530870U (en) | 2019-09-17 | 2019-09-17 | Tunnel supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210530870U (en) |
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2019
- 2019-09-17 CN CN201921546264.1U patent/CN210530870U/en active Active
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