CN207740017U - The horizontally-spliced structure of precast assembly tunnel straight wall - Google Patents
The horizontally-spliced structure of precast assembly tunnel straight wall Download PDFInfo
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- CN207740017U CN207740017U CN201820129415.2U CN201820129415U CN207740017U CN 207740017 U CN207740017 U CN 207740017U CN 201820129415 U CN201820129415 U CN 201820129415U CN 207740017 U CN207740017 U CN 207740017U
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Abstract
The utility model is related to a kind of Tunnel Engineering technologies, more particularly to the horizontally-spliced structure of precast assembly tunnel straight wall, splice the embedded bar of end including being embedded in top plate and side wall respectively, the embedded bar extends wall splicing end and is mutually matched, it is additionally provided with slip casting notch in top plate splicing end, the slip casting notch is arranged on assembled tunnel lateral surface.The horizontally-spliced structure does not set embedded bar by splicing end part in top plate and side wall, bonding strength is can guarantee after cast-in-place transverse joint, and specially in the slip casting notch of the splicing end set of top plate, convenient for being full of slurries to connecting portion, it realizes stable connection structure, ensures the quality of connection of top plate and side wall.
Description
Technical field
The utility model is related to a kind of Tunnel Engineering technology, especially a kind of horizontally-spliced knot of precast assembly tunnel straight wall
Structure.
Background technology
With urbanization process quickening and city road network it is more and more ripe, for city old road it is rapid
Transformation becomes increasingly important.In the transformation process of old road, the rapid and realization of engineering construction is current rapid same
It is important, it is provided with the road structure that under-traverse tunnel is more science, it can save ground space, overall effect simple and beautiful,
Therefore it is widely used.It is carried out in existing city road network due to carrying out under-traverse tunnel transformation to existing road, institute
It is very stringent with the construction period of construction, to reduce to townie interference.
Existing under-traverse tunnel mostly uses falsework, the form of cast-in-place concrete is constructed, but there are the construction period compared with
Long problem causes urban transportation the influence of some time；The external under-traverse tunnel engineering of reference and underground pipe gallery system,
The design for now proposing assembled tunnel completes the top plate and bottom plate and the prefabricated piecemeal of side wall in tunnel in pre-fabricated factory, then arrives construction
Scene carries out assembled Construction Mode, has the advantages that saving duration, short to road interference time.
It is spliced as shown in Figure 1, the assembled tunnel now designed includes the top plate 1, bottom plate 3 and side wall 2 being prefabricated into, double
Into current tunnel road, also middle wall 4, two top plates 1 of setting pass through cast-in-place top plate spelling joint connection, remaining splicing
Position is connected with cast-in-place mode.Wherein, top plate can be prefabricated into band hook end and matched with side wall by the connection of top plate and side wall
Installation is closed, and then realization need to only carry out cast-in-place splicing in one direction, but implement cast-in-place splicing in vertical direction to ensure
Bonding strength becomes the key of construction, needs to carry out special design.
Utility model content
The goal of the invention of the utility model is：For the assembled tunnel using prefabricated piecemeal composition, due to splicing position
It is carried out using cast-in-place mode, the splicing of top plate and side wall will be realized on straight wall, need the splicing construction specially designed, to ensure
The technical issues of cast-in-place concatenation construction progress and bonding strength, a kind of horizontally-spliced structure of precast assembly tunnel straight wall is provided,
Embedded bar is not set by splicing end part in top plate and side wall, bonding strength is can guarantee after cast-in-place transverse joint, and is specially existed
The slip casting notch of the splicing end set of top plate realizes stable connection structure convenient for being full of slurries to connecting portion, ensures top
The quality of connection of plate and side wall.
To achieve the goals above, the technical solution adopted in the utility model is：
The horizontally-spliced structure of precast assembly tunnel straight wall, including be embedded in respectively top plate and side wall splicing end it is pre-buried
Reinforcing bar, the embedded bar extend wall splicing end and are mutually matched, and slip casting notch, institute are additionally provided in top plate splicing end
Slip casting notch is stated to be arranged on assembled tunnel lateral surface.
The horizontally-spliced structure of the precast assembly tunnel straight wall does not set pre-buried steel by splicing end part in top plate and side wall
Muscle, and embedded bar extends wall and is mutually matched, and bonding strength is can guarantee after cast-in-place transverse joint, and specially in top plate
The slip casting notch for splicing end set realizes stable connection structure convenient for being full of slurries to connecting portion, ensures top plate and side
The quality of connection of wall.
As the preferred embodiment of the utility model, the slip casting notch and the angle of top plate splicing end face are 30-70 degree.It will
Slip casting notch angle, which is designed into 30-70 degree, can most can guarantee being smoothed out for slip casting.
As the preferred embodiment of the utility model, the slip casting notch and the angle of top plate splicing end face are 45 degree.
As the preferred embodiment of the utility model, it is embedded in the embedded bar size phase of top plate and side wall splicing end respectively
Matching.The embedded bar that size matches realizes quickly connection installation, and ensures bonding strength, can set the reinforcing bar set for connection
Cylinder directly welds.
As the preferred embodiment of the utility model, the slip casting notch is laterally extended along top plate splicing end, top plate and side
Cast-in-place concrete is filled in space between wall, forms straight wall transverse joint.
As the preferred embodiment of the utility model, it is additionally provided with a plurality of water expandable waterstop on the straight wall transverse joint,
The water expandable waterstop setting splices end contact site in straight wall transverse joint and wall.In straight wall transverse joint and wall
A plurality of water expandable waterstop is set on the face of body contact, meets waterproof demand.
As the preferred embodiment of the utility model, waterproof roll, the waterproof volume are additionally provided on the outside of straight wall transverse joint
Material is arranged close on the tunnel exterior wall at splicing position.Wall on the outside of straight wall transverse joint sets waterproof roll, further
Waterproofing protection is carried out to splicing position, reduces the water resistance to the assembled tunnel of erosion, guarantee for splicing position.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
1, embedded bar is not set by splicing end part in top plate and side wall, can guarantee that connection is strong after cast-in-place transverse joint
Degree, and specially in the slip casting notch of the splicing end set of top plate, convenient for being full of slurries to connecting portion, realize stable connection
Structure ensures the quality of connection of top plate and side wall；
2, the embedded bar that size matches realizes quickly connection installation, and ensures bonding strength；
3, a plurality of water expandable waterstop on the face that straight wall transverse joint is contacted with wall is set, waterproof demand is met；
Wall on the outside of straight wall transverse joint sets waterproof roll, further carries out waterproofing protection to splicing position, reduces to stitching section
The erosion of position, the water resistance for ensureing assembled tunnel.
Description of the drawings
Fig. 1 is the structural schematic diagram in the assembled tunnel now designed.
Fig. 2 is the structural schematic diagram of the horizontally-spliced structure of the utility model precast assembly tunnel straight wall.
It is marked in figure：1- top plates, 2- side walls, 3- bottom plates, wall in 4-, 5- shaped steel, 6- straight wall transverse joints, the splicing of 7- top plates
Head, 701- slip casting notch, the cast-in-place connector of 8- bottom plates, 9- water expandable waterstops, 10- waterproof rolls, the cast-in-place connector of 11- top plates.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Embodiment 1
As depicted in figs. 1 and 2, the horizontally-spliced structure of the precast assembly tunnel straight wall of the present embodiment, including it is pre-buried respectively
Splicing the embedded bar of end in top plate 1 and side wall 2, the embedded bar extends wall splicing end and is mutually matched,
Slip casting notch 701 is additionally provided on top plate joints 7, the slip casting notch 101 is arranged on the lateral surface in assembled tunnel.
The horizontally-spliced structure of the precast assembly tunnel straight wall of the present embodiment, it is other by splicing end part in top plate and side wall
If embedded bar, and embedded bar extends wall and is mutually matched, and bonding strength is can guarantee after cast-in-place transverse joint, and it is special
Stable connection structure is realized convenient for being full of slurries to connecting portion, ensure in the slip casting notch of the splicing end set of top plate
The quality of connection of top plate and side wall.
Embodiment 2
As depicted in figs. 1 and 2, according to the horizontally-spliced structure of precast assembly tunnel described in embodiment 1 straight wall, this implementation
The slip casting notch 701 of example and the angle of top plate splicing end face are 45 degree.Slip casting notch angle is designed into 45 degree most to can guarantee
Slip casting is smoothed out.
In the present embodiment, the embedded bar size for being embedded in top plate 1 and the splicing of side wall 2 end respectively matches.Size phase
Matched embedded bar realizes quickly connection installation, and ensures bonding strength, can set the reinforced bar sleeve for connection or directly weldering
It connects.
Further, the slip casting notch 701 is laterally extended along top plate splicing end, the space between top plate 1 and side wall 2
Cast-in-place concrete is inside filled, straight wall transverse joint 6 is formed.
Further, a plurality of water expandable waterstop 9, the water-swellable are additionally provided on the straight wall transverse joint 6
The contact site for splicing end in straight wall transverse joint 6 and wall is arranged in sealing rod 9.It is contacted with wall in straight wall transverse joint
A plurality of water expandable waterstop is set on face, meets waterproof demand.
In the present embodiment, it is additionally provided with waterproof roll 10 in 6 outside of straight wall transverse joint, the waterproof roll 10 is mounted on and leans on
On the tunnel exterior wall at nearly splicing position.Wall on the outside of straight wall transverse joint sets waterproof roll, further to splicing position
Waterproofing protection is carried out, the water resistance to the assembled tunnel of erosion, guarantee for splicing position is reduced.
Embodiment 3
As depicted in figs. 1 and 2, according to the horizontally-spliced structure of precast assembly tunnel described in embodiment 1 straight wall, this implementation
Example further includes middle wall 4, and top plate 1 is divided into two top plate blocks in the both sides Zhong Qiang, and two top plate blocks corresponding position above middle wall 4 is arranged
The cast-in-place connector 11 of top plate is reserved with deep gouge in the top plate block end face of cast-in-place 11 both sides of connector of top plate so that two top plate block splicings
It is formed afterwards and is used for cast-in-place conduit.
In addition, bottom plate 3 and middle wall 4 are cast-in-place connector, the connecting portion of bottom plate 3 and side wall 2 is the cast-in-place connector of bottom plate.
It is embedded with connection reinforcing bar in the wall of each cast-in-place connector both sides, is equipped with steel reinforcement cage when cast-in-place as needed, composition is full
The assembled tunnel structure of sufficient strength demand.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (7)
1. the horizontally-spliced structure of precast assembly tunnel straight wall, which is characterized in that including being embedded in top plate and side wall splicing respectively
The embedded bar of end, the embedded bar extend wall splicing end and are mutually matched, and are additionally provided in top plate splicing end
Slip casting notch, the slip casting notch are arranged on assembled tunnel lateral surface.
2. the horizontally-spliced structure of precast assembly tunnel according to claim 1 straight wall, which is characterized in that the slip casting is cut
The angle that mouth splices end face with top plate is 30-70 degree.
3. the horizontally-spliced structure of precast assembly tunnel according to claim 2 straight wall, which is characterized in that the slip casting is cut
The angle that mouth splices end face with top plate is 45 degree.
4. the horizontally-spliced structure of the precast assembly tunnel straight wall according to one of claim 1-3, which is characterized in that respectively
The embedded bar size for being embedded in top plate and side wall splicing end matches.
5. the horizontally-spliced structure of the precast assembly tunnel straight wall according to one of claim 1-3, which is characterized in that described
Slip casting notch is laterally extended along top plate splicing end, and cast-in-place concrete is filled in the space between top plate and side wall, forms straight wall
Transverse joint.
6. the horizontally-spliced structure of precast assembly tunnel according to claim 5 straight wall, which is characterized in that the straight wall is horizontal
A plurality of water expandable waterstop is additionally provided on connector, the water expandable waterstop setting is spelled in straight wall transverse joint and wall
Connect end contact site.
7. the horizontally-spliced structure of precast assembly tunnel according to claim 6 straight wall, which is characterized in that in straight wall transverse direction
Waterproof roll is additionally provided on the outside of connector, the waterproof roll is arranged close on the tunnel exterior wall at splicing position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820129415.2U CN207740017U (en) | 2018-01-25 | 2018-01-25 | The horizontally-spliced structure of precast assembly tunnel straight wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820129415.2U CN207740017U (en) | 2018-01-25 | 2018-01-25 | The horizontally-spliced structure of precast assembly tunnel straight wall |
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| CN207740017U true CN207740017U (en) | 2018-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098720A (en) * | 2018-10-23 | 2018-12-28 | 山东万广建设工程有限公司 | Precast combined underground structure product and construction method |
-
2018
- 2018-01-25 CN CN201820129415.2U patent/CN207740017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098720A (en) * | 2018-10-23 | 2018-12-28 | 山东万广建设工程有限公司 | Precast combined underground structure product and construction method |
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Effective date of registration: 20191231 Address after: 610000 No. 589, Jinzhou Road, Jinniu high tech Industrial Park, Chengdu, Sichuan Province Co-patentee after: Chengdu city investment City Construction Technology Co., Ltd. Patentee after: Chengdu City Construction Technology Investment Management Group Co., Ltd. Co-patentee after: China Railway twenty-three Bureau Group Architectural Design & Research Institute Co., Ltd. Co-patentee after: China Railway 23rd. Bureau Group Co., Ltd. Address before: 610015 21 Fu Fu Street, Chengdu, Sichuan Co-patentee before: Chengdu City Construction Technology Investment Management Group Co., Ltd. Patentee before: Chengdu Municipal Engineering and Research Design Institute Co-patentee before: Chengdu city investment City Construction Technology Co., Ltd. Co-patentee before: China Railway twenty-three Bureau Group Architectural Design & Research Institute Co., Ltd. Co-patentee before: China Railway 23rd. Bureau Group Co., Ltd. |