CN212774309U - A outer eaves structure for tunnel entrance and exit - Google Patents
A outer eaves structure for tunnel entrance and exit Download PDFInfo
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- CN212774309U CN212774309U CN202020686213.5U CN202020686213U CN212774309U CN 212774309 U CN212774309 U CN 212774309U CN 202020686213 U CN202020686213 U CN 202020686213U CN 212774309 U CN212774309 U CN 212774309U
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Abstract
The utility model provides an outer eave structure used at the entrance and exit of a tunnel, which comprises a foundation, a retaining wall, a composite waterproof coiled material layer, a self-adhesive waterproof coiled material layer, a wall body, a coping and a steel beam; a retaining wall is built on one side of the foundation, and a decorative surface layer is built on the inner side of the retaining wall; a composite waterproof coil layer is laid on the top surface of the foundation, a self-adhesive waterproof coil layer is laid on the top surface of the composite waterproof coil layer, and a leveling layer is built on the self-adhesive waterproof coil layer on the part of the top surface of the foundation; a wall body is built on the top surface of the leveling layer, and the top surface of the wall body is flush with the floor surface; a coping is built on the top surface of the wall body, a side wall is built on the outer side of the coping, and a flower bed is arranged in the coping; the top surface of the retaining wall is connected with a steel column through a pre-buried bolt, and a cast-in-place concrete layer is built at the joint of the bottom end of the steel column and the retaining wall; the top end of the steel column is connected with a steel beam through a bolt, and the suspended ceiling is installed on the bottom surface of the steel beam.
Description
Technical Field
The utility model relates to a building field especially relates to an outer eaves structure for tunnel entrance and exit department.
Background
Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel. The tunnel entrance and exit is used as a key node of the tunnel, and a plurality of facilities such as a checkpoint, a speed measurement and the like are usually arranged. Once the tunnel exit has the condition of water seepage and leakage, the building will be corroded and cracked, and the use and safety are affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide an outer eaves structure for tunnel entrance, this structure is under the prerequisite that does not influence the building structure stability of tunnel entrance and exit and firm reliable degree, has realized good water-proof effects, reduces the later maintenance cost.
In order to achieve the above object, the utility model adopts the following technical scheme: an outer eave structure for the entrance and exit of a tunnel comprises a foundation, a retaining wall, a composite waterproof coiled material layer, a self-adhesive waterproof coiled material layer, a wall body, a coping and a steel beam; the foundation is a reinforced concrete soil joint structure, the top surface of the foundation is a horizontal plane, a retaining wall is built on one side of the foundation and is a reinforced concrete retaining wall structure, the retaining wall is attached to one side of the foundation to form an outer side, the other side of the retaining wall is an inner side, and a decorative surface layer is built on the inner side of the retaining wall; a composite waterproof coil material layer is laid on the top surface of the foundation, extends upwards along the outer side surface of the retaining wall, and a reinforcing layer is clamped at the corner of the foundation and the retaining wall; a self-adhesive waterproof roll layer is laid on the top surface of the composite waterproof roll layer, a leveling layer is built on the part, on the top surface of the foundation, of the self-adhesive waterproof roll layer, and the leveling layer is a plain concrete plane layer; a wall body is built on the top surface of the leveling layer, the wall body is of a masonry structure, a part of the self-adhesive waterproof roll layer is covered by the wall body, and the top surface of the wall body is flush with the floor surface; a coping is built on the top surface of the wall body, the coping is of a reinforced concrete groove structure, a side wall is built on the outer side of the coping, and a flower bed is arranged in the coping; the top surface of the retaining wall is connected with a steel column through a pre-buried bolt, and a cast-in-place concrete layer is built at the joint of the bottom end of the steel column and the retaining wall; the top end of the steel column is connected with a steel beam through a bolt, and the suspended ceiling is installed on the bottom surface of the steel beam.
Preferably, the composite waterproof roll layer comprises a waterproof roll layer and a reinforced waterproof roll layer, wherein the waterproof roll layer extends upwards along the retaining wall for 500-800mm and extends into a preset groove of the retaining wall and is sealed by structural adhesive, and the reinforced waterproof roll layer extends along the retaining wall to the top surface of the wall and is sealed by the sealing adhesive.
Preferably, cement mortar smearing layers with the thickness of 20mm are constructed on the exposed surfaces of the retaining walls.
The utility model has the advantages that: this structure is under the prerequisite that does not influence the building structure stability and the firm reliable degree of tunnel access & exit, has realized good water-proof effects, reduces the later maintenance cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic view of the structure of the outer eaves of the entrance and exit.
Wherein: 1 is the ground, 2 is the barricade, 21 is the architectural surface, 22 is cast-in-place concrete layer, 3 is compound waterproof roll material layer, 31 is the enhancement layer, 4 is the waterproof roll material layer of self-adhesion, 41 is the screed-coat, 5 is the wall body, 6 is the capping, 61 is the side wall, 62 is the flower bed, 7 is the girder steel, 71 is the steel column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the outer eave structure for the entrance and exit of the tunnel comprises a foundation 1, a retaining wall 2, a composite waterproof roll material layer 3, a self-adhesive waterproof roll material layer 4, a wall body 5, a coping 6 and a steel beam 7; the foundation 1 is a reinforced concrete land joint structure, the top surface of the foundation 1 is a horizontal plane, a retaining wall 2 is built on one side of the foundation 1, the retaining wall 2 is a reinforced concrete retaining wall structure, one side of the retaining wall 2, which is attached to the foundation 1, is an outer side, the other side of the retaining wall is an inner side, and a decorative surface layer 21 is built on the inner side of the retaining wall 2; a composite waterproof coil material layer 3 is laid on the top surface of the foundation 2, the composite waterproof coil material layer 3 extends upwards along the outer side surface of the retaining wall 2, and a reinforcing layer 31 is further clamped at the corner of the foundation 1 and the retaining wall 2 by the composite waterproof coil material layer 3; a self-adhesive waterproof roll layer 4 is laid on the top surface of the composite waterproof roll layer 3, a leveling layer 41 is built on the part, on the top surface of the foundation 1, of the self-adhesive waterproof roll layer 4, and the leveling layer 41 is a plain concrete plane layer; a wall body 5 is built on the top surface of the leveling layer 41, the wall body 5 is of a masonry structure, a part of the self-adhesive waterproof roll layer 4 is covered by the wall body 5, and the top surface of the wall body 5 is flush with the floor surface; a coping 6 is built on the top surface of the wall body 5, the coping 6 is of a reinforced concrete groove structure, a side wall 61 is built on the outer side of the coping 6, and a flower bed 62 is arranged in the coping 6; the top surface of the retaining wall 2 is connected with a steel column 71 through a pre-embedded bolt, and a cast-in-place concrete layer 22 is built at the joint of the bottom end of the steel column 71 and the retaining wall 2; the top ends of the steel columns 71 are connected with steel beams 7 through bolts, and suspended ceilings are installed on the bottom surfaces of the steel beams 7.
During specific implementation, composite waterproof roll material layer 3 includes waterproof roll material layer and strengthens waterproof roll material layer, and wherein waterproof roll material layer extends 500 and 800mm department along barricade 2 upwards and stretches into the recess department that barricade 2 was predetermineeing and seal with the structural adhesive, strengthens waterproof roll material layer and extends to 5 top surfaces of wall and seal with sealed glue along the barricade.
When the concrete implementation is carried out, 20mm thick cement mortar smearing layers are constructed on the exposed surfaces of the retaining walls 2.
Claims (3)
1. The utility model provides an outer eaves structure for tunnel entrance and exit which characterized in that: comprises a foundation, a retaining wall, a composite waterproof coiled material layer, a self-adhesive waterproof coiled material layer, a wall body, a coping and a steel beam; the foundation is a reinforced concrete soil joint structure, the top surface of the foundation is a horizontal plane, a retaining wall is built on one side of the foundation and is a reinforced concrete retaining wall structure, the retaining wall is attached to one side of the foundation to form an outer side, the other side of the retaining wall is an inner side, and a decorative surface layer is built on the inner side of the retaining wall; a composite waterproof coil material layer is laid on the top surface of the foundation, extends upwards along the outer side surface of the retaining wall, and a reinforcing layer is clamped at the corner of the foundation and the retaining wall; a self-adhesive waterproof roll layer is laid on the top surface of the composite waterproof roll layer, a leveling layer is built on the part, on the top surface of the foundation, of the self-adhesive waterproof roll layer, and the leveling layer is a plain concrete plane layer; a wall body is built on the top surface of the leveling layer, the wall body is of a masonry structure, a part of the self-adhesive waterproof roll layer is covered by the wall body, and the top surface of the wall body is flush with the floor surface; a coping is built on the top surface of the wall body, the coping is of a reinforced concrete groove structure, a side wall is built on the outer side of the coping, and a flower bed is arranged in the coping; the top surface of the retaining wall is connected with a steel column through a pre-buried bolt, and a cast-in-place concrete layer is built at the joint of the bottom end of the steel column and the retaining wall; the top end of the steel column is connected with a steel beam through a bolt, and the suspended ceiling is installed on the bottom surface of the steel beam.
2. The external eave structure for the tunnel entrance and exit according to claim 1, wherein: the composite waterproof roll material layer comprises a waterproof roll material layer and an enhanced waterproof roll material layer, wherein the waterproof roll material layer extends upwards along the retaining wall for 500 plus 800mm and extends into the preset groove of the retaining wall and is sealed by structural adhesive, and the enhanced waterproof roll material layer extends to the top surface of the wall along the retaining wall and is sealed by the sealing adhesive.
3. The external eave structure for the tunnel entrance and exit according to claim 1, wherein: and cement mortar smearing layers with the thickness of 20mm are built on the exposed surfaces of the retaining walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686213.5U CN212774309U (en) | 2020-04-28 | 2020-04-28 | A outer eaves structure for tunnel entrance and exit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686213.5U CN212774309U (en) | 2020-04-28 | 2020-04-28 | A outer eaves structure for tunnel entrance and exit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212774309U true CN212774309U (en) | 2021-03-23 |
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ID=75066132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020686213.5U Expired - Fee Related CN212774309U (en) | 2020-04-28 | 2020-04-28 | A outer eaves structure for tunnel entrance and exit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212774309U (en) |
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2020
- 2020-04-28 CN CN202020686213.5U patent/CN212774309U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |