CN201574762U - Tunnel mid-partition structure - Google Patents
Tunnel mid-partition structure Download PDFInfo
- Publication number
- CN201574762U CN201574762U CN2009202731097U CN200920273109U CN201574762U CN 201574762 U CN201574762 U CN 201574762U CN 2009202731097 U CN2009202731097 U CN 2009202731097U CN 200920273109 U CN200920273109 U CN 200920273109U CN 201574762 U CN201574762 U CN 201574762U
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- mid
- tunnel
- board
- duct piece
- board structure
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Abstract
The utility model discloses a tunnel mid-partition structure, which comprises at least two tunnel tube sheets and at least two mid-partitions, wherein the two mid-partitions are disposed in the tunnel tube sheets, one end of each of the mid-partitions is connected with the tunnel tube sheets, the mid-partitions adopt prefabricated reinforced concrete structures, and lengths of the mid-partitions are equal to those of the tunnel tube sheets along extension direction of the tunnel. As the mid-partitions adopt the prefabricated reinforced concrete structures, assembling construction can be completed conveniently. Simultaneously, the lengths of the mid-partitions are equal to those of the tunnel tube sheets, and then connecting rigidity of the tunnel can not be changed, thereby guaranteeing shock resistance of the tunnel.
Description
Technical field
The utility model relates to a kind of mid-board structure, relates in particular to a kind of mid-board structure that comprises the tunnel of upper and lower line simultaneously.
Background technology
Along with the extensive use of tunnel at subway engineering, the pattern that upper and lower line is all runed in same tunnel is more and more.Ventilation, environment and the escape problem in tunnel when runing simultaneously for solving upper and lower line need be provided with mid-board upper and lower line is run in two separate space in the tunnel.
The mid-board structure in the tunnel of dependency structure, it comprises tunnel duct piece and links to each other with tunnel duct piece and place mid-board in the tunnel duct piece.Wherein, the design of mid-board need be satisfied following requirement: the one, and can bear blast load and cable pipeline that when operation produce, award imposed loads such as electricity bow, evacuation crowd; The 2nd, have enough refractorinesss; The 3rd, for satisfying the escape needs under the fire condition, conveniently install bypass valve; The 4th, cost economic and be easy to the construction.
The mid-board of correlation technique generally adopts cast-in-place concrete structure, and mid-board utilizes the bar planting mode to be connected with tunnel duct piece.There is following problem in this design: the one, and this type of mid-board height is all bigger, and generally all more than 6m, and thinner thickness generally is no more than 500mm, adopts the very inconvenience of formwork erection of constructing of cast-in-place mode, and speed of application is also slower; The 2nd, the concrete pouring quality of the junction of mid-board and tunnel duct piece is difficult to guarantee; The 3rd, mid-board and tunnel duct piece are fixed by bar planting, and mid-board has limited the vertical deformation of tunnel duct piece structure, have changed the stressed and deformation pattern of tunnel duct piece structure Design; The 4th, along the mid-board structure axis direction in tunnel, the segmentation of mid-board is longer, usually about 20m, and the tunnel duct piece width is between 1m～1.5m, the existence of mid-board has increased the coupling stiffness between the adjacent tunnel duct piece like this, run counter to the design original intention that flexibly connects between the tunnel duct piece, unfavorable to the antidetonation of the mid-board structure in tunnel.
Therefore, those skilled in the art is devoted to develop a kind of mid-board structure of novel tunnel.
The utility model content
Because the above-mentioned defective of prior art, technical problem to be solved in the utility model provides a kind of mid-board structure of tunnel of easy construction.
For achieving the above object, the utility model provides the mid-board structure in tunnel, it comprises at least two tunnel duct pieces and is positioned at least two mid-boards that a tunnel duct piece and an end link to each other with tunnel duct piece, wherein, described mid-board adopts prefabricated reinforced concrete structure, along the bearing of trend in tunnel, the length of mid-board is identical with the length of tunnel duct piece.
Preferably, described tunnel duct piece is connected by the draw-in groove member with described mid-board, and described draw-in groove member is provided with the draw-in groove of accommodating described mid-board, and described draw-in groove member and described tunnel duct piece are for fixedlying connected.
Preferably, described draw-in groove member links to each other by expansion bolt with described tunnel duct piece.
Preferably, the cross section of described mid-board is " I " type, and it comprises the upper end that links to each other with described draw-in groove member, the extension and the bottom that is connected described extension that extend from described upper end; Along the bearing of trend in tunnel, the width of described upper end and described bottom is all greater than the width of described extension.
Preferably, also be provided with the light fire-proof plate that connects two adjacent mid-boards in the mid-board structure in described tunnel.
Preferably, be filled with the fire resistant flexible material in the described draw-in groove.
Preferably, the mid-board structure in described tunnel also is provided with an end and links to each other with described tunnel duct piece, the base component that the other end links to each other with the bottom of described mid-board, described base component is provided with bolt hole, and described mid-board is connected by bolt with described base component.
Preferably, on the bearing of trend perpendicular to the tunnel, the width of the bottom of described mid-board is greater than the width of described extension.
Preferably, described base component is " mouth " font.
Technique effect: mid-board adopts prefabricated reinforced concrete structure, makes things convenient for assembling construction, and simultaneously, along the bearing of trend in tunnel, the length of mid-board is identical with the length of tunnel duct piece, can not change the coupling stiffness in tunnel, has guaranteed the anti-seismic performance in tunnel.
Be described further below with reference to the technique effect of accompanying drawing, to understand the purpose of this utility model, feature and effect fully design of the present utility model, concrete structure and generation.
Description of drawings
Fig. 1 is the cross sectional representation of the mid-board structure in tunnel of the present utility model;
Fig. 2 is the sectional view of the mid-board structure in tunnel of the present utility model along the bearing of trend mid-board in tunnel;
Fig. 3 is the connection diagram of tunnel duct piece and mid-board in the mid-board structure in tunnel of the present utility model;
Fig. 4 is the connection diagram of base component and mid-board in the mid-board structure in tunnel of the present utility model.
The specific embodiment
As shown in Figures 1 to 4, the mid-board structure in tunnel of the present utility model, it comprises at least two tunnel duct pieces 1, be positioned at least two mid-boards 2 that tunnel duct piece 1 and an end link to each other with tunnel duct piece 1, be positioned at tunnel duct piece 1 and an end links to each other with tunnel duct piece 1, the base component 3 that the other end links to each other with mid-board 2, is connected the draw-in groove member 8 and the light fire-proof plate 4 that is connected two adjacent mid-boards 2 of tunnel duct piece 1 and mid-board 2 respectively.
Tunnel duct piece 1 integral body is the cylindrical of hollow.
The cross section of mid-board 2 is " I " type, and it adopts prefabricated reinforced concrete structure, and along the bearing of trend in tunnel, the length of mid-board 2 is identical with the length of tunnel duct piece 1.Described mid-board 2 comprises the upper end 21 that links to each other with tunnel duct piece 1, from the upper end 21 extensions 22 and the bottom 23 that is connected extension 22 that extend, along the bearing of trend in tunnel, the width of described upper end 21 and bottom 23 is all greater than the width of extension 22.The upper end 21 of described mid-board 2 links to each other with tunnel duct piece 1, and bottom 23 links to each other with base component 3.On the bearing of trend perpendicular to the tunnel, the width of the bottom 23 of mid-board 2 is greater than the width of extension 22; The width of upper end 21 is identical with the width of extension 22.
Draw-in groove member 8 is a prefabricated reinforced concrete structure also, which is provided with the draw-in groove of the upper end 21 of accommodating mid-board 2, and 2 of described draw-in groove and mid-boards are reserved an amount of gap, are filled with fire resistant flexible material 5 in this gap.In addition, draw-in groove member 8 and described tunnel duct piece 1 are for fixedlying connected, and in the present embodiment, described draw-in groove member 8 links to each other by expansion bolt 6 with tunnel duct piece 1.
By the draw-in groove member mid-board is fixed on the tunnel duct piece, and utilizes expansion bolt to be connected between draw-in groove member and tunnel duct piece, this joint construction can satisfy the requirement of mid-board plug-in type assembling construction, easy construction.
Be filled with the fire resistant flexible material between mid-board and draw-in groove member, can not limit the distortion of tunnel duct piece, thereby guaranteed the stressed and deformation pattern of design of tunnel duct piece.
Fill with the light fire-proof plate between two adjacent mid-boards, both solved fire safety problem, reduced dead load again, make things convenient for assembling construction.
As shown in Figure 4, on the bearing of trend perpendicular to the tunnel, the width of the bottom of mid-board makes the bottom of mid-board and base component junction make the basic pattern of expansion greater than the width of extension, has strengthened the stability of mid-board like this.Prepared screw-bolt hole on base component realizes that bolt connects mid-board and base component, makes things convenient for assembling construction, accelerates the assembly unit progress.
Mid-board structure of the present utility model is particularly useful in the large diameter single circle two-wire metro shield tunnel.
More than describe preferred embodiment of the present utility model in detail.The ordinary skill that should be appreciated that this area need not creative work and just can make many modifications and variations according to design of the present utility model.Therefore, all technician in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (9)
1. the mid-board structure in a tunnel, it comprises at least two tunnel duct pieces and is positioned at least two mid-boards that a tunnel duct piece and an end link to each other with tunnel duct piece, it is characterized in that: described mid-board adopts prefabricated reinforced concrete structure, along the bearing of trend in tunnel, the length of mid-board is identical with the length of tunnel duct piece.
2. the mid-board structure in tunnel according to claim 1, it is characterized in that: described tunnel duct piece is connected by the draw-in groove member with described mid-board, described draw-in groove member is provided with the draw-in groove of accommodating described mid-board, and described draw-in groove member and described tunnel duct piece are for fixedlying connected.
3. the mid-board structure in tunnel according to claim 2, it is characterized in that: described draw-in groove member links to each other by expansion bolt with described tunnel duct piece.
4. the mid-board structure in tunnel according to claim 2, it is characterized in that: the cross section of described mid-board is " I " type, and it comprises the upper end that links to each other with described draw-in groove member, the extension and the bottom that is connected described extension that extend from described upper end; Along the bearing of trend in tunnel, the width of described upper end and described bottom is all greater than the width of described extension.
5. the mid-board structure in tunnel according to claim 4 is characterized in that: also be provided with the light fire-proof plate that connects two adjacent mid-boards in the mid-board structure in described tunnel.
6. the mid-board structure in tunnel according to claim 5 is characterized in that: be filled with the fire resistant flexible material in the described draw-in groove.
7. the mid-board structure in tunnel according to claim 6, it is characterized in that: the mid-board structure in described tunnel also is provided with an end and links to each other with described tunnel duct piece, the base component that the other end links to each other with the bottom of described mid-board, described base component is provided with bolt hole, and described mid-board is connected by bolt with described base component.
8. the mid-board structure in tunnel according to claim 7, it is characterized in that: on the bearing of trend perpendicular to the tunnel, the width of the bottom of described mid-board is greater than the width of described extension.
9. the mid-board structure in tunnel according to claim 8, it is characterized in that: described base component is " mouth " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202731097U CN201574762U (en) | 2009-11-24 | 2009-11-24 | Tunnel mid-partition structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202731097U CN201574762U (en) | 2009-11-24 | 2009-11-24 | Tunnel mid-partition structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201574762U true CN201574762U (en) | 2010-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202731097U Expired - Fee Related CN201574762U (en) | 2009-11-24 | 2009-11-24 | Tunnel mid-partition structure |
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| CN (1) | CN201574762U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296969A (en) * | 2011-05-23 | 2011-12-28 | 深圳市市政设计研究院有限公司 | Tunnel compartment wall lining construction method |
| CN101876255B (en) * | 2009-11-24 | 2013-06-12 | 上海市城市建设设计研究院 | Middle partition wall structure for tunnel |
| CN110230502A (en) * | 2019-06-20 | 2019-09-13 | 中铁第四勘察设计院集团有限公司 | A kind of simply-support shield tunnel mid-board mounting structure and method |
| CN114893238A (en) * | 2022-05-24 | 2022-08-12 | 中铁第四勘察设计院集团有限公司 | Shield tunnel flue plate mounting structure and construction method thereof |
-
2009
- 2009-11-24 CN CN2009202731097U patent/CN201574762U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876255B (en) * | 2009-11-24 | 2013-06-12 | 上海市城市建设设计研究院 | Middle partition wall structure for tunnel |
| CN102296969A (en) * | 2011-05-23 | 2011-12-28 | 深圳市市政设计研究院有限公司 | Tunnel compartment wall lining construction method |
| CN102296969B (en) * | 2011-05-23 | 2015-04-15 | 深圳市市政设计研究院有限公司 | Tunnel compartment wall lining construction method |
| CN110230502A (en) * | 2019-06-20 | 2019-09-13 | 中铁第四勘察设计院集团有限公司 | A kind of simply-support shield tunnel mid-board mounting structure and method |
| CN114893238A (en) * | 2022-05-24 | 2022-08-12 | 中铁第四勘察设计院集团有限公司 | Shield tunnel flue plate mounting structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20151124 |