CN207393215U - A kind of prefabricated middle partition wall structure of subway tunnel - Google Patents
A kind of prefabricated middle partition wall structure of subway tunnel Download PDFInfo
- Publication number
- CN207393215U CN207393215U CN201721367235.XU CN201721367235U CN207393215U CN 207393215 U CN207393215 U CN 207393215U CN 201721367235 U CN201721367235 U CN 201721367235U CN 207393215 U CN207393215 U CN 207393215U
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- Prior art keywords
- prefabricated
- board
- mid
- duct piece
- tunnel
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Abstract
A kind of prefabricated middle partition wall structure of subway tunnel, including tunnel duct piece, prefabricated mid-board, card slot component, high-strength bolt, elastic fireproof sealant；The inner tip of the tunnel duct piece is fixedly installed card slot component, and the top in tunnel duct piece is connected with the top of prefabricated middle partition wall structure by card slot component, and the gap between prefabricated middle partition wall structure and card slot component is sealed using elastic fireproof sealant；Tunnel duct piece is fixedly connected by the lower part of tunnel duct piece by high-strength bolt with prefabricated mid-board.The beneficial effects of the utility model are：Mid-board stress concentration phenomenon can preferably be reduced, in song the visual effect of wall with respect to for straight middle wall more preferably, in addition the prefabricated mid-board uses prefabricated reinforced concrete structure, facilitate assembling construction, simultaneously, the length of mid-board is identical with the length of tunnel duct piece, will not change the coupling stiffness in tunnel, ensure that the anti-seismic performance in tunnel.
Description
Technical field
The utility model belongs to underground structure subway tunnel field, and in particular to a kind of prefabricated mid-board knot of subway tunnel
Structure.
Background technology
Although mid-board is widely used in domestic and international each constructing tunnel, because the type selection of tunnel partition wall is led
Cause partition wall unstability accident commonplace.The type of tunnel partition wall, be related to the stability of mid-board, security, reliability and
Durability or even construction and the operational safety for being related to tunnel are the key issues of mid-board quality controling research.Pu Zhirong with
Kweiyang Zun Yi Road multiple-arch tunnel for rely on, to mid-board form of fracture study, using wall form in difference to mid-board stress,
The influence research of internal force and safety coefficient, has drawn the affecting laws of different mid-board form of fracture；Zhao little Cong passes through analysis pair
Section, construction method than domestic and international mid-board to mid-board mechanical behavior and tunnel overall structure stability research, are drawn
With the difference of mid-board section, working procedure, mid-board moment of flexure changing rule.Displacement, mechanical behavior and the sedimentation of mid-board
Index all directly affects the overall stability in tunnel, and the unstability of mid-board will cause the unstable state in entire tunnel, therefore
An important factor for stability analysis to mid-board is the analysis of multiple-arch tunnel overall security, this is also multiple-arch tunnel and other forms
The maximum difference in tunnel.Although certain grind is done to the section configuration of tunnel partition wall, working procedure, mechanical behavior both at home and abroad
Study carefully, but it is less to the research of partition wall stability to tunnel partition wall type, and there are still need Some Opinions for existing research.Deeply
It is most important, it is necessary to derive that stability of middle wall calculates public affairs as early as possible to study influence of the tunnel partition wall type to partition wall stability
Formula improves stability, the security of tunnel partition wall, this is particularly important to the Social benefit and economic benefit for improving engineering.
The multiple-arch tunnel that domestic early stage builds up is essentially all straight middle wall form, such as the Jingzhu Highway In Dawu Five Dragons, Guangdong ridge tunnel
Road, Yunnan No. 1 tunnel of elder brother's stone highway clear water ditch, the Dual dock mouth No.1 of Jin Liwen highways second phase, the arcadings tunnels such as No. two
Road etc., straight middle wall stress raisers are notable, and guarded drainage difficulty of construction is big at the top of straight middle wall, and guarded drainage effect is poor, straight middle wall with
Empty form of fracture mismatches curl within the walls, poor visual effect.
Utility model content
To solve the above-mentioned existing a series of problems of existing tunnel middle partition wall structure, the utility model provides a kind ofly
The prefabricated middle partition wall structure in iron tunnel.
The technical solution adopted in the utility model is：
A kind of prefabricated middle partition wall structure of subway tunnel, including tunnel duct piece, prefabricated mid-board, card slot component, high intensity spiral shell
Bolt, elastic fireproof sealant；The inner tip of the tunnel duct piece is fixedly installed card slot component, top in tunnel duct piece and
Prefabricated interval coping is connected by card slot component, and the gap between prefabricated mid-board and card slot component is close using elastic fireproof
Sealing is sealed；The lower part of prefabricated mid-board is consolidated the under-filled layer of tunnel duct piece with prefabricated mid-board by high-strength bolt
Fixed connection.
Further, the bottom of the prefabricated mid-board is provided with pedestal, several prepared screw-bolt holes are provided on pedestal
Hole, prepared screw-bolt hole hole are connected with high-strength bolt, for prefabricated mid-board to be fixed on the under-filled layer of tunnel duct piece.
Further, the both sides of the prefabricated mid-board also are provided with prepared screw-bolt hole hole, this prepared screw-bolt hole hole is used for will
Two pieces of prefabricated mid-boards are connected by U-bolt, and the gap between two pieces of prefabricated middle partition wall structures uses elastic fireproof sealant
It is sealed.
Further, the card slot component includes card slot component and tunnel duct piece dowel, reserved card slot, the tunneltron
One end of piece dowel is fixedly connected with tunnel duct piece, and the other end of tunnel duct piece dowel is fixedly connected with reserved card slot, in advance
The size and the top dimension of prefabricated mid-board for staying card slot match, and reserve and fire resistant flexible material is filled in card slot.
Further, the section form of the prefabricated mid-board is wall in song, and the width of its underpart is more than the width on top；
The length of every piece of prefabricated mid-board is smaller 20mm than the length of every piece of tunnel duct piece.
Further, the pedestal that the prefabricated mid-board lower part is set is straight not less than high-strength bolt to both sides development length
3 times of footpath.
Further, the cross section of the tunnel duct piece is class ellipse or circular.
Compared with prior art, the beneficial effects of the utility model are：Prefabricated its section of mid-board described in the utility model
Face form is wall in bent, can preferably reduce mid-board stress concentration phenomenon, it is bent in wall visual effect with respect to straight middle wall
It says more preferably, the prefabricated mid-board uses prefabricated reinforced concrete structure in addition, facilitates assembling construction, meanwhile, the length of mid-board
Degree is identical with the length of tunnel duct piece, will not change the coupling stiffness in tunnel, ensure that the anti-seismic performance in tunnel.
Description of the drawings
Fig. 1 is class ellipse tunnel partition wall overall schematic.
Fig. 2 is circular tunnel mid-board overall schematic.
Fig. 3 is the prefabricated mid-board scheme of installation in tunnel.
Fig. 4 is prefabricated mid-board sectional view.
Fig. 5 is prefabricated mid-board front view.
Fig. 6 is tunnel duct piece longitudinal sectional drawing.
Fig. 7 is tunnel duct piece transverse cross-sectional view.
Fig. 8 is the prefabricated mid-board installation process schematic diagram in tunnel.
Fig. 9 is tunnel duct piece and card slot component connection diagram.
Figure 10 is U bolt schematic diagrames.
In figure：1 is tunnel duct piece；2 be prefabricated mid-board；2-1 is pedestal；2-2 is prepared screw-bolt hole hole；3 be card slot structure
Part；3-1 is card slot component and tunnel duct piece dowel；3-2 is reserved card slot；4 be high-strength bolt；5 be U-bolt；6 be bullet
Property fireproof seal gum；7 be the under-filled layer of tunnel duct piece.
Specific embodiment
In order to further illustrate the utility model, the utility model is retouched in detail with reference to the accompanying drawings and embodiments
It states, but they cannot be interpreted as to the restriction to scope of protection of the utility model.
Embodiment 1
As shown in Fig. 1, Fig. 3-10, a kind of prefabricated middle partition wall structure of subway tunnel, including tunnel duct piece 1, prefabricated mid-board
2nd, pedestal 2-1, prepared screw-bolt hole hole 2-2, card slot component 3, card slot component and tunnel duct piece dowel 3-1, reserved card slot 3-2,
High-strength bolt 4, U-bolt 5, elastic fireproof sealant 6 and the under-filled layer 7 of tunnel duct piece, 1 top of tunnel duct piece are set
Card slot component 3 is equipped with, the card slot component 3 is equipped with the reserved card slot 3-2 for accommodating the prefabricated mid-board 2, the card slot structure
For part 3 with the tunnel duct piece 1 to be fixedly connected, 1 top of tunnel duct piece and 2 top of the prefabricated mid-board pass through card slot structure
Part 3 connects, and gap is sealed using elastic fireproof sealant 6 therebetween, and its underpart will be under tunnel duct piece by high-strength bolt 4
Portion's filled layer 7 is attached with prefabricated mid-board 2, is attached using U-bolt 5 between two pieces of prefabricated mid-boards 2, stitched therebetween
Gap is sealed using elastic fireproof sealant 6.The cross section of tunnel duct piece 1 is ellipsoid like structure；Tunnel duct piece lower part is filled out
It fills layer 7 to be made of concrete, is arranged on the lower part of tunnel duct piece 1.
As shown in Figure 4 and Figure 5, prefabricated its section form of mid-board 2 is wall in bent, the length ratio of every piece of prefabricated mid-board 2
The small 20mm of length of every piece of tunnel duct piece 1 is provided with pedestal 2-1 in its underpart, and pedestal 2-1 is to both sides development length not less than height
3 times of 4 diameter of strength bolts are equipped with prepared screw-bolt hole hole 2-2 in prefabricated 2 both sides of mid-board, also are provided in the middle part of pedestal 2-1 pre-
Stay bolt hole 2-2；It is additionally provided in the prefabricated middle partition wall structure 2 in the tunnel and connects the light of two pieces of adjacent prefabricated mid-boards 2
Matter fire-proof plate；The section form of prefabricated mid-board 2 is wall in song, and the width of its underpart is more than the width on top.
As shown in Fig. 6 and Fig. 9,1 top of tunnel duct piece is provided with card slot component 3, and connection mode between the two is to pass through
Tunnel duct piece dowel 3-1 is fixedly connected；3 lower part of card slot component is equipped with reserved card slot 3-2, reserves the size of card slot 3-2
It is configured according to prefabricated 2 top dimension of mid-board, enough rotation spaces is remained at reserved card slot 3-2；The reserved card
Fire resistant flexible material is filled in slot 3-2.Every piece of prefabricated 2 its upper part of mid-board using card slot component 3 reserved card slot 3-2 with it is every
Block tunnel duct piece 1 is spliced, and has been spliced top and then has been filled out its underpart and tunnel duct piece lower part using high-strength bolt 4
Layer 7 is filled to be fixed；When a certain piece of prefabricated mid-board 2 is damaged, only the prefabricated mid-board 2 of damage can be replaced,
It is replaced and first dismantles the high-strength bolt 4 of its underpart, then carry out prefabricated mid-board 2 again and dismantle.
The length of prefabricated mid-board 2 is smaller 20mm than the length of tunnel duct piece 1, and the card slot component 3 on 1 top of tunnel duct piece leaves
Enough rotation spaces, to ensure that prefabricated mid-board 2 can be installed smoothly, gap is sealed using elastic fireproof sealant 6.
Embodiment 2
As shown in Fig. 2, a kind of prefabricated middle partition wall structure of subway tunnel, the cross section of tunnel duct piece 1 is circular, other structures
With embodiment 1.
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, on 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 (7)
1. a kind of prefabricated middle partition wall structure of subway tunnel, it is characterised in that：Including tunnel duct piece（1）, prefabricated mid-board（2）, card
Slot component（3）, high-strength bolt（4）, elastic fireproof sealant（6）With the under-filled layer of tunnel duct piece（7）；The tunnel duct piece
（1）Inner tip be fixedly installed card slot component（3）, tunnel duct piece（1）Interior top and prefabricated mid-board（2）Top lead to
Cross card slot component（3）Connection, prefabricated mid-board（2）With card slot component（3）Between gap use elastic fireproof sealant（6）Into
Row sealing；Prefabricated mid-board（2）Lower part pass through high-strength bolt（4）By the under-filled layer of tunnel duct piece（7）With prefabricated interval
Wall（2）It is fixedly connected.
2. a kind of prefabricated middle partition wall structure of subway tunnel according to claim 1, it is characterised in that：The prefabricated mid-board
（2）Bottom be provided with pedestal（2-1）, pedestal（2-1）On be provided with several prepared screw-bolt hole holes（2-2）, prepared screw-bolt hole
Hole（2-2）With high-strength bolt（4）It is connected, for by prefabricated mid-board（2）It is fixed on the under-filled layer of tunnel duct piece（7）On.
3. a kind of prefabricated middle partition wall structure of subway tunnel according to claim 1, it is characterised in that：The prefabricated mid-board
（2）Both sides also be provided with prepared screw-bolt hole hole（2-2）, this prepared screw-bolt hole hole（2-2）For by two pieces of prefabricated mid-boards（2）It is logical
Cross U-bolt（5）It is connected, two pieces of prefabricated middle partition wall structures（2）Between gap use elastic fireproof sealant（6）It carries out close
Envelope.
4. a kind of prefabricated middle partition wall structure of subway tunnel according to claim 1, it is characterised in that：The card slot component
（3）Including card slot component and tunnel duct piece dowel（3-1）, reserved card slot（3-2）, the tunnel duct piece dowel（3-1）'s
One end and tunnel duct piece（1）It is fixedly connected, tunnel duct piece dowel（3-1）The other end and reserved card slot（3-2）It is fixedly connected,
Reserved card slot（3-2）Size and prefabricated mid-board（2）Top dimension match, reserve card slot（3-2）Interior filling is flexible
Fire proofing material.
5. a kind of prefabricated middle partition wall structure of subway tunnel according to claim 2, it is characterised in that：The prefabricated mid-board
（2）Section form be wall in bent, the width of its underpart is more than the width on top；Every piece of prefabricated mid-board（2）Length ratio it is every
Block tunnel duct piece（1）The small 20mm of length.
6. a kind of prefabricated middle partition wall structure of subway tunnel according to claim 2, it is characterised in that：The prefabricated mid-board
（2）The pedestal that lower part is set（2-1）It is not less than high-strength bolt to both sides development length（4）3 times of diameter.
7. a kind of prefabricated middle partition wall structure of subway tunnel according to claim 1, it is characterised in that：The tunnel duct piece
（1）Cross section be class ellipse or circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367235.XU CN207393215U (en) | 2017-10-23 | 2017-10-23 | A kind of prefabricated middle partition wall structure of subway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367235.XU CN207393215U (en) | 2017-10-23 | 2017-10-23 | A kind of prefabricated middle partition wall structure of subway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393215U true CN207393215U (en) | 2018-05-22 |
Family
ID=62329532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721367235.XU Withdrawn - After Issue CN207393215U (en) | 2017-10-23 | 2017-10-23 | A kind of prefabricated middle partition wall structure of subway tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513147A (en) * | 2019-07-01 | 2019-11-29 | 中国铁路设计集团有限公司 | Separated tunnel partition wall in a kind of |
| CN113482661A (en) * | 2021-08-23 | 2021-10-08 | 重庆工程职业技术学院 | Assembled mid-partition of multi-arch tunnel and construction method |
-
2017
- 2017-10-23 CN CN201721367235.XU patent/CN207393215U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513147A (en) * | 2019-07-01 | 2019-11-29 | 中国铁路设计集团有限公司 | Separated tunnel partition wall in a kind of |
| CN113482661A (en) * | 2021-08-23 | 2021-10-08 | 重庆工程职业技术学院 | Assembled mid-partition of multi-arch tunnel and construction method |
| CN113482661B (en) * | 2021-08-23 | 2023-10-13 | 重庆工程职业技术学院 | Multi-arch tunnel assembled intermediate wall and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180522 Effective date of abandoning: 20181122 |