CN207469292U - A kind of subway tunnel and the new Joining Structure at enlarging station - Google Patents
A kind of subway tunnel and the new Joining Structure at enlarging station Download PDFInfo
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- CN207469292U CN207469292U CN201721151737.9U CN201721151737U CN207469292U CN 207469292 U CN207469292 U CN 207469292U CN 201721151737 U CN201721151737 U CN 201721151737U CN 207469292 U CN207469292 U CN 207469292U
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- prefabricated
- bottom plate
- top surface
- link block
- tunnel
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Abstract
The utility model is related to a kind of subway tunnels and the new Joining Structure at enlarging station, belong to hypogee technical field.Including tunnel piping lane piece, load-bearing pillar, top surface link block, bottom surface link block, concrete smoothes out layer and waterproof layer, by strengthening arrangement of reinforcement, the larger internal force that is born of shield tunnel piping lane piece during enlarging transfer station can be met, so as to ensure the safety of section of jurisdiction, by using top surface link block and bottom surface link block, make connecting node that there is enough rigidity and reduce the deformation of node, third bottom plate is installed in the bending support of the second bottom plate, eliminate the differential settlement between the second bottom plate and the first bottom plate, so that connection structure is in admirable proportion with stress between the two, solves the connectivity problem of more rigid transfer station agent structure and more flexible tunnel segment structure.The special shield piping lane piece shape of the utility model is consistent with common subway sectional tunnel shield piping lane piece, and the available mold identical with common subway sectional tunnel shield piping lane piece is produced.
Description
Technical field
The utility model is related to hypogee technical field, more particularly to a kind of subway tunnel with extending the novel of station
Connection structure.
Background technology
To accelerate the major metro construction speed in China, construction quality is improved, it is ensured that construction safety, subway sectional tunnel
Shield construction should be as often as possible used, but is influenced by station construction, the efficiency of shield machine fails to give full play to.It pushes away thus
Go out on the basis of shield running tunnel to extend the arrangement and method for construction at station, can be very good to solve station construction and section shield-tunneling construction
Contradiction.
Although subway tunnel and transfer station are an entirety, each section has sequencing when constructing, and works as subway
Tunnel is constructed in advance, and transfer station depends on tunnel location when setting up, it is necessary to the pipe gallery piece of impermanency is cut in due course,
The vacancy left between subway tunnel and transfer station due to cutting at this time, it is necessary to do effective structure connection and waterproof connects
It connects, to ensure the requirement of the building globality such as power transmission, waterproof.Thus as the more rigid agent structure of connection and more flexible pipe
The position of joints of chip architecture just extends the crux structure member to form station with road, it is therefore desirable to right as Subway Tunnel shield
The shield duct piece and carry out special designing with the connecting node of station structure that enlarging is formed in the range of station.
In addition, instantly more universal subway transfer station position is above tunnel structure, this design easily occur structure by
The phenomenon that power is uneven, if the two need to also set some force transferring structures to balance the two not in sustained height in the two connecting portion
Between internal force, therefore subway tunnel enlarging station construction method exist very big improvement space.
Utility model content
In order to solve above-mentioned technical problem, the utility model provides a kind of subway tunnel with extending the novel of station
Connection structure, this method good integrity, power transmission clearly, simple structure, convenient for the connection of section of jurisdiction and station structure, ensure that section of jurisdiction
Internal force can be effectively transmitted to station structure, can solve Shield and the shield tunnel in transfer station connection procedure
The bearing capacity problem of section of jurisdiction.
The technical solution adopted in the utility model is as follows：
A kind of subway tunnel and the new Joining Structure at enlarging station, including tunnel piping lane piece, rail pedestal, load-bearing pillar,
Prefabricated first bottom plate in bottom surface, prefabricated second bottom plate in bottom surface, the prefabricated third bottom plate in bottom surface, concrete smooth out layer, waterproof layer, top
Prefabricated second bottom plate in face, the prefabricated third bottom plate in top surface, prefabricated first bottom plate in top surface and post-cast strip, special shield tunnel piping lane piece by
6 pieces of prefabricated standard type section of jurisdiction a-f compositions, the order of connection is arranged clockwise from a to f, wherein the standard type pipe being removed afterwards
Piece a and b form platform opening；Tunnel piping lane piece and the connection of transfer station structure are divided into top surface link block and bottom surface link block,
Bottom surface link block is made of prefabricated first bottom plate in bottom surface, prefabricated second bottom plate in bottom surface, the prefabricated third bottom plate in bottom surface and post-cast strip, bottom
Prefabricated first bottom plate in face is arranged on the side of load-bearing pillar, and the prefabricated third bottom plate of prefabricated second bottom plate in bottom surface and bottom surface is arranged on load-bearing
The opposite side of column, prefabricated second bottom plate in bottom surface are divided into horizontal part, vertical portion and bending support portion, vertical portion and the prefabricated third in bottom surface
Bottom plate be correspondingly connected with indentation, there formed groove, after connected with post-cast strip；Top surface connects block connection by prefabricated second bottom plate in top surface, top surface
Prefabricated third bottom plate, prefabricated first bottom plate in top surface and post-cast strip composition, prefabricated first bottom plate in top surface are arranged on the side of load-bearing pillar,
The prefabricated third bottom plate of prefabricated second bottom plate in top surface and top surface is arranged on the opposite side of load-bearing pillar, and prefabricated second bottom plate in top surface is divided into water
Flat portion, vertical portion and bending support portion, vertical portion is correspondingly connected with indentation, there with the prefabricated third bottom plate in top surface and forms groove, after using afterwards
It pours band slip casting to connect, and add water-swellable water-stop glue in slurries, piping lane bottom position setting concrete in tunnel smoothes out layer, high
Degree maintains an equal level with the prefabricated third plate upper surface in bottom surface.
Further, top surface link block is consistent with ground connecting block structure, is arranged symmetrically along horizontal median axis.
Further, steel bar stress and distributing bar is configured inside top surface link block and ground link block.
Further, the prefabricated third backplate surface of the prefabricated third bottom plate in top surface and bottom surface is respectively provided with waterproof layer.
Further, a kind of subway tunnel and the construction method of the new Joining Structure at enlarging station, it is characterised in that：Packet
Include following steps：
The construction method of bottom link block：Underground construction has load-bearing pillar at transfer station position, in the side of load-bearing pillar
Prefabricated first bottom plate in bottom surface is provided with, the prefabricated first bottom plate side in bottom surface is supported to load-bearing column foot；Treat that standard piping lane piece a and b are dug
After removing, in prefabricated second bottom plate in opposite side setting bottom surface and the prefabricated third bottom plate in bottom surface of load-bearing pillar, prefabricated second bottom plate in bottom surface
Horizontal part along far from constructing to close to the direction of load-bearing pillar, and done in certain position and downward be bent to form vertical portion and bending
Support portion, the groove formed between the prefabricated third bottom plate of horizontal part and bottom surface are connected with late poured band, in slurries addition meet
Water expansion water-stop glue, water-proofing treatment is done to construction joint；Construction bottom surface is prefabricated on the bending support portion of prefabricated second bottom plate in bottom surface
Third bottom plate, as armored concrete force-transmitting block, the bending support portion of the prefabricated third bottom plate in bottom surface and prefabricated second bottom plate in bottom surface
It is mutually lapped, the two is connected with late poured band, is formed an entirety, water-swellable water-stop glue is added in slurries, to construction
Seam does water-proofing treatment；Since subway tunnel is first completed, when constructing transfer station coupling part, prefabricated second bottom plate in bottom surface
Bending support portion starts to be laid with waterproof layer close to one end bottom of load-bearing pillar, and winding prefabricated second bottom plate in bottom surface one week is to leaning on
The top of nearly load-bearing pillar, then it is laid with waterproof layer upwards along the prefabricated third bottom plate in bottom surface, until the prefabricated third bottom plate in bottom surface and bottom
Groove between prefabricated second bottom plate in face receives head, and the horizontal part of prefabricated second bottom plate in bottom surface is inserted into subway tunnel bottom, finally
Casting concrete smoothes out layer, highly maintains an equal level with the prefabricated third plate upper surface in bottom surface, ensures the waterproof requirement of structural attachments, really
Guarantor will not generate infiltration phenomenon.
The construction method of top link block：Underground construction has load-bearing pillar at transfer station position, in the side of load-bearing pillar
Prefabricated first bottom plate in top surface is provided with, the prefabricated first bottom plate side in top surface is supported to load-bearing pillar；Treat that standard piping lane piece a and b are dug
After removing, in the prefabricated third bottom plate in opposite side setting top surface and prefabricated second bottom plate in top surface of load-bearing pillar, the prefabricated third bottom plate in top surface
After the completion, in the upside of the prefabricated third bottom plate in top surface along close to direction construction prefabricated second bottom plate in top surface to separate load-bearing pillar
Bend support portion, and close to the position of prefabricated third bottom edge do it is downward be bent to form vertical portion and horizontal part, it is horizontal
The groove formed between the groove and bending support portion and load-bearing pillar that are formed between portion and prefabricated third bottom plate is with after concrete
Band connection is poured, water-swellable water-stop glue is added in slurries, water-proofing treatment is done to construction joint；Since subway tunnel is first completed, applying
During work transfer station coupling part, in top surface, the bending support portion of prefabricated second bottom plate starts to spread close to one end bottom of load-bearing pillar
If waterproof layer, winding prefabricated second bottom plate in top surface one week is at the top of one section of load-bearing pillar, then along the prefabricated third in top surface
Bottom plate is laid with downwards waterproof layer, until the groove between prefabricated second bottom plate of the prefabricated third bottom plate in top surface and top surface receives head,
The horizontal part of prefabricated second bottom plate in top surface is inserted at the top of subway tunnel, ensures the waterproof requirement of structural attachments, it is ensured that will not produce
Raw infiltration phenomenon.
The beneficial effects of the utility model：
The shape of the shield tunnel piping lane piece of the utility model is consistent with common subway sectional tunnel shield piping lane piece, can be with
It is produced using the mold identical with common subway sectional tunnel shield piping lane piece.
By strengthening arrangement of reinforcement, enlarging can be met and form the relatively imperial palace that shield tunnel piping lane piece during station is born
Power, so as to ensure the safety of section of jurisdiction, subway tunnel is built up in transfer station on same absolute altitude, can greatly improve structure
The phenomenon that unbalance stress.
By top surface link block and bottom surface link block, can reliably connect by shield piping lane and transfer station agent structure
It picks up and, make connecting node that there is enough rigidity, the deformation of connecting node can be reduced, be conducive to the water-proofing treatment at node.
By the laying of waterproof material, smooth out layer with the concrete in pipe gallery and be seamlessly connected, ensure that structure connects
Waterproof requirement at position, it is ensured that infiltration phenomenon will not be generated.
Description of the drawings
Fig. 1 is subway tunnel and enlarging station structure elevation.
Fig. 2 is the A-A diagrammatic cross-sections of Fig. 1.
Fig. 3 is the section arrangement of reinforcement schematic diagram of bottom surface link block.
Fig. 4 is the section arrangement of reinforcement schematic diagram of top surface link block.
Fig. 5 is the cross-sectional view of bottom surface link block.
Fig. 6 is the cross-sectional view of top surface link block.
In figure, 1 is tunnel piping lane piece, and 1-1 is rail pedestal, and 2 be load-bearing pillar, and 3 be prefabricated first bottom plate in bottom surface, and 3-1 is
Reinforcing bar, 4 be prefabricated second bottom plate in bottom surface, and 4-1 is horizontal part, and 4-2 is vertical portion, and 4-3 is bending support portion, and 4-4 is groove, 5
Layer is smoothed out for concrete for the prefabricated third bottom plate in bottom surface, 6,7 be waterproof layer, and 8 be prefabricated second bottom plate in top surface, and 8-1 is water
Flat portion, 8-2 are vertical portion, and 8-3 is bending support portion, and 8-4 is groove, and 9 be the prefabricated third bottom plate in top surface, and 10 be top surface prefabricated the
One bottom plate, 10-1 are reinforcing bar, and 11 be post-cast strip.
Specific embodiment
Embodiment
As illustrated in fig. 1 and 2, a kind of subway tunnel of the utility model and the new Joining Structure at enlarging station, including tunnel
Piping lane piece 1, rail pedestal 1-1, load-bearing pillar 2, prefabricated first bottom plate 3 in bottom surface, prefabricated second bottom plate 4 in bottom surface, the prefabricated third in bottom surface
Bottom plate 5, concrete smooth out layer 6, and waterproof layer 7, prefabricated second bottom plate 8 in top surface, the prefabricated third bottom plate 9 in top surface, top surface is prefabricated
First bottom plate 10 and post-cast strip 11, special shield tunnel piping lane piece 1 are made of 6 pieces of prefabricated standard type section of jurisdiction a-f, the order of connection
For the arranged clockwise from a to f, it is open wherein the standard type section of jurisdiction a and b that are removed afterwards form platform.
As shown in Figures 3 and 5, the connection of tunnel piping lane piece 1 and transfer station structure is divided into top surface link block and bottom surface connects
Block bottom surface connects block connection by prefabricated first bottom plate 3 in bottom surface, prefabricated second bottom plate 4 in bottom surface, the prefabricated third bottom plate 5 in bottom surface and post-cast strip
11 compositions, prefabricated first bottom plate 3 in bottom surface are arranged on the side of load-bearing pillar 2, the prefabricated third bottom of prefabricated second bottom plate 4 in bottom surface and bottom surface
Plate 5 is arranged on the opposite side of load-bearing pillar 2, and prefabricated second bottom plate in bottom surface is divided into horizontal part 4-1, vertical portion 4-2 and bending support portion
4-3, vertical portion 4-2 are correspondingly connected with indentation, there with the prefabricated third bottom plate 5 in bottom surface and form groove 4-4, are connected afterwards with post-cast strip 11.
As shown in figs. 4 and 6, top surface connects block connection by prefabricated first bottom plate 10 in top surface, prefabricated second bottom plate 8 in top surface, top surface
Prefabricated third bottom plate 9 and post-cast strip 11 form, and prefabricated first bottom plate 10 in top surface is arranged on the side of load-bearing pillar 2, top surface prefabricated
The prefabricated third bottom plate 9 of two bottom plates 8 and top surface is arranged on the opposite side of load-bearing pillar 2, and prefabricated second bottom plate in top surface is divided into horizontal part 8-
1, vertical portion 8-2 and bending support portion 8-3, vertical portion 8-2 are correspondingly connected with indentation, there with the prefabricated third bottom plate 9 in top surface and form groove
4-4 is connected afterwards with 11 slip casting of post-cast strip, and water-swellable water-stop glue is added in slurries, and piping lane bottom position setting in tunnel is mixed
Solidifying soil smoothes out layer 6, highly maintains an equal level with prefabricated 5 upper surface of third bottom plate in bottom surface；Top surface link block is consistent with ground connecting block structure,
It is arranged symmetrically along horizontal median axis；Steel bar stress 3-1 and distributing bar 10- is configured inside top surface link block and ground link block
1；Prefabricated 5 surface of third bottom plate of the prefabricated third bottom plate 9 in top surface and bottom surface is respectively provided with waterproof layer 7.
A kind of subway tunnel and the construction method of the new Joining Structure at enlarging station, it is characterised in that：Including following step
Suddenly：
The construction method of bottom link block：Underground construction has load-bearing pillar 2 at transfer station position, the one of load-bearing pillar 2
Side is provided with prefabricated first bottom plate 3 in bottom surface, and prefabricated first bottom plate, 3 side in bottom surface is supported to 2 foot of load-bearing pillar；Treat standard piping lane piece a
After being cut with b, in prefabricated second bottom plate 4 in opposite side setting bottom surface and the prefabricated third bottom plate 5 in bottom surface of load-bearing pillar 2, bottom surface is prefabricated
The horizontal part 4-1 of second bottom plate 4 is along far from extremely close to the construction of the direction of load-bearing pillar 2, and do downward bent in certain position
Into vertical portion 4-2 and support portion 4-3 is bent, the groove 4-4 formed between the prefabricated third bottom plate 5 of horizontal part 4-1 and bottom surface uses mixed
Solidifying soil post-cast strip 11 connects, and addition water-swellable water-stop glue, water-proofing treatment is done to construction joint in slurries；At prefabricated second bottom in bottom surface
The construction prefabricated third bottom plate 5 in bottom surface on the bending support portion 4-3 of plate 4, as armored concrete force-transmitting block, the prefabricated third bottom in bottom surface
Plate 5 and the bending support portion 4-3 of prefabricated second bottom plate 4 in bottom surface are mutually lapped, and the two late poured band 11 connects, and form one
A entirety, the interior addition water-swellable water-stop glue of slurries, water-proofing treatment is done to construction joint；Since subway tunnel is first completed, constructing
During transfer station coupling part, in bottom surface, the bending support portion 4-3 of prefabricated second bottom plate 4 is opened close to one end bottom of load-bearing pillar 2
Begin to be laid with waterproof layer 7, winding prefabricated second bottom plate in bottom surface 4 one weeks is to the top of close load-bearing pillar 2, then along bottom surface prefabricated the
Three bottom plates 5 are laid with waterproof layer 7 upwards, until the groove 4- between prefabricated second bottom plate 4 of the prefabricated third bottom plate 5 in bottom surface and bottom surface
Head is received at 4, the horizontal part 4-1 of prefabricated second bottom plate 4 in bottom surface is inserted into subway tunnel bottom, and last casting concrete smoothes out layer, high
Degree maintains an equal level with prefabricated 5 upper surface of third bottom plate in bottom surface, ensures the waterproof requirement of structural attachments, it is ensured that it is existing will not to generate infiltration
As.
The construction method of top link block：Underground construction has load-bearing pillar 2 at transfer station position, the one of load-bearing pillar 2
Side is provided with prefabricated first bottom plate 10 in top surface, and prefabricated first bottom plate, 10 side in top surface is supported to 2 top of load-bearing pillar；Treat standard piping lane piece
After a and b is cut, in the prefabricated third bottom plate 9 in opposite side setting top surface and prefabricated second bottom plate 8 in top surface of load-bearing pillar 2, top surface is prefabricated
After the completion of third bottom plate 9, in top surface, the upside of prefabricated third bottom plate 9 is along close to pre- to the direction construction top surface far from load-bearing pillar 2
Make the bending support portion 8-3 of the second bottom plate 8, and close to the position at prefabricated 9 edge of third bottom plate do it is downward be bent to form it is perpendicular
Straight portion 8-2 and horizontal part 8-1, the groove 8-4 formed between horizontal part 8-1 and prefabricated third bottom plate 9 and bending support portion 8-3 and
The groove 8-4 formed between load-bearing pillar 2 is connected with late poured band 11, addition water-swellable water-stop glue in slurries, to applying
Work seam does water-proofing treatment；Since subway tunnel is first completed, when constructing transfer station coupling part, in prefabricated second bottom plate in top surface
8 bending support portion 8-3 starts to be laid with waterproof layer 7 close to one end bottom of load-bearing pillar 2, winds prefabricated second bottom plate in top surface
It is laid with waterproof layer 7 downwards to close to one section of top of load-bearing pillar 2, then along the prefabricated third bottom plate 9 in top surface within 8 one weeks, until top surface
Head, the horizontal part of prefabricated second bottom plate 8 in top surface are received at groove 8-4 between prefabricated second bottom plate 8 of prefabricated third bottom plate 9 and top surface
8-1 is inserted at the top of subway tunnel, ensures the waterproof requirement of structural attachments, it is ensured that will not generate infiltration phenomenon.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of subway tunnel and the new Joining Structure at enlarging station, including tunnel piping lane piece（1）, rail pedestal（1-1）, hold
Weight column（2）, prefabricated first bottom plate in bottom surface（3）, prefabricated second bottom plate in bottom surface（4）, the prefabricated third bottom plate in bottom surface（5）, concrete smears
Flat bed（6）, prefabricated second bottom plate in top surface（8）, the prefabricated third bottom plate in top surface（9）, prefabricated first bottom plate in top surface（10）And post-cast strip
（11）, it is characterised in that：Special shield tunnel piping lane piece（1）It is made of 6 pieces of prefabricated standard type section of jurisdiction a-f, the order of connection is
The arranged clockwise from a to f, wherein the standard type section of jurisdiction a and b that are removed afterwards form platform opening；Tunnel piping lane piece（1）With transfer
The connection of station structure is divided into top surface link block and bottom surface link block, and bottom surface link block is by prefabricated first bottom plate in bottom surface（3）, bottom surface
Prefabricated second bottom plate（4）, the prefabricated third bottom plate in bottom surface（5）And post-cast strip（11）Composition, prefabricated first bottom plate in bottom surface（3）It is arranged on
Load-bearing pillar（2）Side, prefabricated second bottom plate in bottom surface（4）With the prefabricated third bottom plate in bottom surface（5）It is arranged on load-bearing pillar（2）It is another
Side, prefabricated second bottom plate in bottom surface are divided into horizontal part（4-1）, vertical portion（4-2）With bending support portion（4-3）, vertical portion（4-2）With
The prefabricated third bottom plate in bottom surface（5）It is correspondingly connected with indentation, there and forms groove（4-4）, after use post-cast strip（11）Connection；Top surface connects block company
It connects by prefabricated second bottom plate in top surface（8）, the prefabricated third bottom plate in top surface（9）, prefabricated first bottom plate in top surface（10）And post-cast strip（11）
Composition, prefabricated first bottom plate in top surface（10）It is arranged on load-bearing pillar（2）Side, prefabricated second bottom plate in top surface（8）It is prefabricated with top surface
Third bottom plate（9）It is arranged on load-bearing pillar（2）Opposite side, prefabricated second bottom plate in top surface is divided into horizontal part（8-1）, vertical portion（8-
2）With bending support portion（8-3）, vertical portion（8-2）With the prefabricated third bottom plate in top surface（9）It is correspondingly connected with indentation, there and forms groove（8-
4）, after use post-cast strip（11）Slip casting connects, and water-swellable water-stop glue is added in slurries, and piping lane bottom position setting in tunnel is mixed
Solidifying soil smoothes out layer（6）, highly with the prefabricated third bottom plate in bottom surface（5）Upper surface maintains an equal level.
2. a kind of subway tunnel according to claim 1 and the new Joining Structure at enlarging station, it is characterised in that：Top surface
Link block is consistent with ground connecting block structure, is arranged symmetrically along horizontal median axis.
3. a kind of subway tunnel according to claim 1 and the new Joining Structure at enlarging station, it is characterised in that：Top surface
Steel bar stress is configured inside link block and ground link block（3-1）And distributing bar（10-1）.
4. a kind of subway tunnel according to claim 1 and the new Joining Structure at enlarging station, it is characterised in that：Top surface
Prefabricated third bottom plate（9）With the prefabricated third bottom plate in bottom surface（5）Surface is respectively provided with waterproof layer（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721151737.9U CN207469292U (en) | 2017-09-10 | 2017-09-10 | A kind of subway tunnel and the new Joining Structure at enlarging station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721151737.9U CN207469292U (en) | 2017-09-10 | 2017-09-10 | A kind of subway tunnel and the new Joining Structure at enlarging station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207469292U true CN207469292U (en) | 2018-06-08 |
Family
ID=62268611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721151737.9U Expired - Fee Related CN207469292U (en) | 2017-09-10 | 2017-09-10 | A kind of subway tunnel and the new Joining Structure at enlarging station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207469292U (en) |
-
2017
- 2017-09-10 CN CN201721151737.9U patent/CN207469292U/en not_active Expired - Fee Related
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