CN221742609U - Tunnel import slope reinforcement structure - Google Patents
Tunnel import slope reinforcement structure Download PDFInfo
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- CN221742609U CN221742609U CN202420509485.6U CN202420509485U CN221742609U CN 221742609 U CN221742609 U CN 221742609U CN 202420509485 U CN202420509485 U CN 202420509485U CN 221742609 U CN221742609 U CN 221742609U
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- concrete
- slope
- tunnel
- bottom plate
- reinforcement structure
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 15
- 230000008676 import Effects 0.000 title claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000008093 supporting effect Effects 0.000 abstract description 7
- 239000004575 stone Substances 0.000 abstract description 5
- 239000002689 soil Substances 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a tunnel inlet upward slope reinforcement structure, which comprises reinforcing ribs: the concrete pile is characterized in that tunnel concrete arch doors and concrete slopes are fixedly connected to the two ends of the reinforcing ribs respectively, a bottom plate is poured at the bottom of the concrete slopes, a plurality of elbow rods are arranged at the bottom of the concrete slopes, a vertical column is fixedly connected to the bottom of the bottom plate, and lugs are integrally formed on the surface of the vertical column. According to the utility model, through the matched use of the bottom plate and the elbow rod, the concrete slope is fixed as a whole, and the structural stability of the concrete slope is improved; through the cooperation of upstand, ear piece and fork arm for can firm the connection between bottom plate and the underground soil and stones, carry out firm bearing to the bottom plate, further reduce the downhill slope and subside the possibility, avoid the tunnel downhill slope to appear the skew excessively because of sinking and collapse the condition take place, can reach and then improve the stability of downhill slope self, thereby ensure the purpose to tunnel arch opening supporting effect.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction, and particularly relates to a tunnel inlet upward slope reinforcement structure.
Background
The tunnel entrance and exit adopts an end wall type tunnel portal, the tunnel passes through the fault breaking belt, the joint cracks develop, the rock cores are broken, the rock mass is broken, the surrounding rock stability is poor, the rock mechanical property is poor, and the joint cracks develop extremely, the water enrichment is good, sometimes the tunnel entrance and exit is a good passage of underground water, the tunnel engineering is seriously influenced, and therefore, the tunnel entrance and exit needs to be provided with an upward slope to support and protect the tunnel arch portal.
When the tunnel is constructed, the stability of the upward slope of the inlet end of the tunnel has a decisive effect on the supporting effect of the tunnel arch opening, so that the situation that the bottom of the upward slope is inclined and collapsed due to insufficient supporting force is avoided, and the tunnel inlet upward slope reinforcing structure is needed, the bottom of the upward slope can be reinforced and forcefully supported, the stability of the upward slope structure is further improved, and the supporting effect of the upward slope on the tunnel arch opening is guaranteed.
Disclosure of utility model
The utility model aims to provide a tunnel inlet upward slope reinforcement structure which can reinforce and forcefully support the bottom of an upward slope, so that the stability of the upward slope structure is improved, the supporting effect of the upward slope on the tunnel arch opening is ensured, and the technical problem of the background technology is solved.
The technical scheme for solving the technical problems is as follows: a tunnel import slope reinforcement structure, comprising a reinforcing rib: the two ends of the reinforcing rib are respectively fixedly connected with a tunnel concrete arch and a concrete slope, a bottom plate is poured at the bottom of the concrete slope, a plurality of elbow rods are arranged at the bottom of the concrete slope, a vertical column is fixedly connected at the bottom of the bottom plate, lugs are integrally formed on the surface of the vertical column, the fork bars are arranged above the two lug blocks together, a threaded rod is integrally formed at the bottom of the fork bars, the bottom end of the threaded rod penetrates through the lower portion of the lug blocks, a nut block is connected with the surface of the threaded rod in a threaded manner, and an elastic gasket is sleeved on the surface of the threaded rod.
Preferably, the end part of the elbow rod extends to the inside of the concrete slope, and the elbow rod is fixedly connected with the steel bars in the concrete slope in advance through binding wires.
Preferably, two connecting rods which are arranged in a crossing way are welded between two adjacent elbow rods, the opposite sides of the two connecting rods are provided with adaptive grooves, and bolt pieces are arranged between the two connecting rods.
Preferably, the surface integrated into one piece of upstand has a plurality of protruding poles, and a plurality of protruding poles equidistance distributes on the surface of upstand.
Preferably, the bottom of the vertical column is integrally formed with a bottom block, and the bottom block is a steel billet.
Preferably, two symmetrically arranged welding pieces and reinforcing rods are welded between the two fork rods.
1. The beneficial effects of the utility model are as follows: according to the utility model, through the matched use of the bottom plate and the elbow rod, the concrete slope is fixed as a whole, and the structural stability of the concrete slope is improved; through the cooperation of upstand, ear piece and fork arm for can firm the connection between bottom plate and the underground soil and stones, carry out firm bearing to the bottom plate, further reduce the downhill slope and subside the possibility, avoid the tunnel downhill slope to appear the skew excessively because of sinking and collapse the condition take place, can reach and then improve the stability of downhill slope self, thereby ensure the purpose to tunnel arch opening supporting effect.
2. According to the utility model, through the cooperation of the connecting rod, the groove and the bolt, the adjacent elbow rods are firmly connected, so that the deformation or displacement of the elbow rods when the bottom plate is poured is avoided, and the stability of the integral structure of the elbow rods is improved.
3. According to the utility model, through the matched use of the convex rod and the bottom block, the contact area between the vertical post and the underground earth and stone is further increased, the bearing force born by the vertical post is improved, and the collapse and displacement of the vertical post are avoided.
4. According to the utility model, through the matched use of the welding sheet and the reinforcing rod, the connection stability between the two fork rods is enhanced, the stability of the fork rods for fixing the vertical posts is improved, and the occurrence of relative displacement between the adjacent fork rods due to lack of connection is avoided.
Drawings
Wherein:
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a partial enlarged view of the point A in FIG. 1 according to an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a male bar and a bottom block according to one embodiment of the present utility model;
FIG. 4 is a schematic perspective view of a yoke and weld tab according to one embodiment of the utility model;
FIG. 5 is a partial enlargement of the point B in FIG. 4 according to an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. Reinforcing ribs, 2, concrete slopes, 3, bottom plates, 4, elbow rods, 5, connecting rods, 6, grooves, 7, bolt pieces, 8, vertical posts, 9, protruding rods, 10, bottom blocks, 11, ear blocks, 12, fork rods, 13, welding pieces, 14, reinforcing rods, 15, threaded rods, 16, nut blocks, 17 and elastic gaskets.
Detailed Description
Hereinafter, an embodiment of the tunnel intake uphill reinforcing structure of the present utility model will be described with reference to the accompanying drawings.
Embodiment one:
Fig. 1-5 show a tunnel entrance uphill reinforcement structure according to an embodiment of the present utility model, which includes a reinforcing rib 1: the both ends of strengthening rib 1 fixedly connected with tunnel concrete arch and concrete slope 2 respectively, bottom plate 3 has been pour to the bottom of concrete slope 2, the bottom of concrete slope 2 is provided with a plurality of elbow poles 4, the tip of elbow pole 4 extends to the inside of concrete slope 2, elbow pole 4 is in advance with the reinforcing bar in the concrete slope 2 through binding wire fixed connection, jointly weld between two adjacent elbow poles 4 has two connecting rods 5 that cross the setting, the recess 6 of adaptation has all been seted up to two connecting rods 5 relative one sides, install bolt piece 7 jointly between two connecting rods 5, through the cooperation use of connecting rod 5, recess 6 and bolt piece 7, firm the connection is carried out between the adjacent elbow pole 4, avoid elbow pole 4 to take place at the circumstances of deformation or aversion when pouring bottom plate 3, the stability of elbow pole 4 overall structure has been improved, the bottom fixedly connected with upstand 8 of bottom plate 3, the surface integrated into one piece of upstand 8 has a plurality of protruding poles 9, the equidistance distribution at the surface of upstand 8, the bottom integrated into one piece 10 of upstand 8 has been provided with the bottom piece 10 for the protruding piece 10, the cooperation of protruding piece 10 has been provided with the bottom piece 11 and 11 through the lug piece 11 and the threaded rod 11, the bottom piece 15 has been connected with the top piece 15 of the spacer 15, the bottom piece 15 has been realized, the bottom piece 15 has been improved the face of the upstroke 15, the face of the base piece has been connected with the base piece 15, the top piece 15 has been provided with the base piece 15, the face piece 15 has been connected with the top piece 15.
Embodiment two:
Fig. 1-5 show a tunnel entrance uphill reinforcement structure according to an embodiment of the present utility model, which includes a reinforcing rib 1: the tunnel concrete arch and the concrete slope 2 of both ends fixedly connected with respectively of strengthening rib 1, bottom plate 3 has been pour to the bottom of concrete slope 2, the bottom of concrete slope 2 is provided with a plurality of curved bars 4, the bottom fixedly connected with upstand 8 of bottom plate 3, the surface integrated into one piece of upstand 8 has ear piece 11, the top of two ear pieces 11 is provided with fork arm 12 jointly, weld together welding piece 13 and the stiffening rod 14 that two symmetry set up between two fork arms 12, through the cooperation use of welding piece 13 and stiffening rod 14, the connection steadiness between two fork arms 12 can be strengthened, the stability that fork arm 12 to upstand 8 is fixed has been improved, the condition of relative displacement appears because of lacking the connection between the adjacent fork arm 12 has been avoided, the bottom integrated into one piece of fork arm 12 has threaded rod 15, the bottom of threaded rod 15 runs through to the below of ear piece 11, the surface threaded connection of threaded rod 15 has nut piece 16, the surface cover of threaded rod 15 is equipped with elastic gasket 17.
Working principle: when the utility model is used, a user can fix the concrete slope 2 into a whole through the matched use of the bottom plate 3 and the elbow rod 4, so that the structural stability of the concrete slope 2 is improved; through the cooperation use of upstand 8, ear piece 11 and fork arm 12 for can firm the connection between bottom plate 3 and the secret soil and stones, carry out firm bearing to bottom plate 3, further reduce the slope settlement possibility, wherein through the cooperation use of threaded rod 15 and nut piece 16 can be with fork arm 12 firm the fixing at the top of ear piece 11, the stability of fork arm 12 position has been ensured, simultaneously through the setting of elastic gasket 17, can increase the friction that nut piece 16 surface received, the condition emergence of loosening appears in the nut piece 16 has been avoided, the condition emergence of skew and collapse appears in the slope of avoiding tunnel slope because of sinking excessively has realized improving slope self stability, thereby the support effect to tunnel arch door opening is ensured.
To sum up: according to the tunnel inlet upward slope reinforcement structure, the concrete slope 2 is fixed into a whole through the cooperation of the bottom plate 3 and the elbow rod 4, so that the structural stability of the concrete slope 2 is improved; through the cooperation of upstand 8, ear piece 11 and fork arm 12, make and stabilize and be connected between bottom plate 3 and the underground soil and stones, stabilize the bearing to bottom plate 3, further reduce the likelihood of subsidence of facing upward the slope, avoid the tunnel to face upward the slope because of sinking excessively to appear the skew and collapse the condition take place, can reach and then improve the stability of facing upward slope self, thereby guarantee the purpose to tunnel arch opening supporting effect.
Claims (6)
1. The utility model provides a tunnel import slope reinforcement structure which characterized in that includes strengthening rib (1): the utility model discloses a concrete pile structure, including reinforcing rib (1), bottom plate (3) have been pour to the both ends of strengthening rib (1) respectively fixedly connected with tunnel concrete arch and concrete slope (2), bottom of concrete slope (2) has been pour bottom plate (3), the bottom of concrete slope (2) is provided with a plurality of elbow poles (4), the bottom fixedly connected with upstand (8) of bottom plate (3), the surface integrated into one piece of upstand (8) has ear piece (11), two the top of ear piece (11) is provided with fork arm (12) jointly, the bottom integrated into one piece of fork arm (12) has threaded rod (15), the bottom of threaded rod (15) runs through to the below of ear piece (11), the surface threaded connection of threaded rod (15) has nut piece (16), the surface cover of threaded rod (15) is equipped with elastic gasket (17).
2. The tunnel entrance slope reinforcement structure according to claim 1, wherein the end of the elbow rod (4) extends to the inside of the concrete slope (2), and the elbow rod (4) is fixedly connected with the steel bars in the concrete slope (2) by binding wires in advance.
3. The tunnel import slope reinforcement structure according to claim 2, wherein two connecting rods (5) which are arranged in a crossing manner are welded between two adjacent elbow rods (4), the opposite sides of the two connecting rods (5) are provided with adaptive grooves (6), and bolt pieces (7) are arranged between the two connecting rods (5) in a common mode.
4. A tunnel import slope reinforcement structure according to claim 3, characterized in that the surface of the upstand (8) is integrally formed with a plurality of protruding bars (9), and the plurality of protruding bars (9) are equidistantly distributed on the surface of the upstand (8).
5. The tunnel entrance slope reinforcement structure according to claim 4, wherein a bottom block (10) is integrally formed at the bottom of the upstand (8), and the bottom block (10) is a billet block.
6. The tunnel entrance slope reinforcement structure according to claim 5, wherein two symmetrically arranged welding pieces (13) and reinforcing rods (14) are welded together between the two fork rods (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420509485.6U CN221742609U (en) | 2024-03-15 | 2024-03-15 | Tunnel import slope reinforcement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420509485.6U CN221742609U (en) | 2024-03-15 | 2024-03-15 | Tunnel import slope reinforcement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221742609U true CN221742609U (en) | 2024-09-20 |
Family
ID=92744896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420509485.6U Active CN221742609U (en) | 2024-03-15 | 2024-03-15 | Tunnel import slope reinforcement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221742609U (en) |
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2024
- 2024-03-15 CN CN202420509485.6U patent/CN221742609U/en active Active
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