CN110230502A - A kind of simply-support shield tunnel mid-board mounting structure and method - Google Patents
A kind of simply-support shield tunnel mid-board mounting structure and method Download PDFInfo
- Publication number
- CN110230502A CN110230502A CN201910534753.3A CN201910534753A CN110230502A CN 110230502 A CN110230502 A CN 110230502A CN 201910534753 A CN201910534753 A CN 201910534753A CN 110230502 A CN110230502 A CN 110230502A
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- mid
- tunnel
- board
- mounting structure
- simply
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000010276 construction Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
Abstract
The invention belongs to shield tunnel construction technology fields, specifically provide a kind of simply-support shield tunnel mid-board mounting structure and method, first prefabricated mid-board ontology is transported to tunnel, then by mid-board ontology, in designated position, overturning is attentioned, the bottom of mid-board ontology is bolted in orbit, and the top of mid-board ontology passes through lateral bracket and connect with tunnel vault.In the design when the height of partition wall ontology, comprehensively consider the accumulative vertical error tolerances that mid-board is transmitted in high tunnel clearance, the maximum Clearance Requirement of construction of central division wall process overturning, tunnel oval-shaped deformation and tunnel, so that the installation of mid-board ontology is gone on smoothly, the space size in tunnel is made full use of.The mounting structure avoids the complete prefabricated of field cast-in-place, while meeting construction assembly and tunnel oval-shaped deformation, can also can guarantee the middle partition wall structure of structural stability under the effect of unfavorable wind load.
Description
Technical field
The invention belongs to shield tunnel construction technology fields, and in particular to a kind of simply-support shield tunnel mid-board installation knot
Structure and method.
Background technique
In the shield tunnel that design has mid-board, structure of the mid-board as physical isolation left and right traffic space, is tunnel
The important component of road structure.
What circular tunnel mid-board used at present has complete cast-in-place, the prefabricated cast-in-place two kinds of structure type of mating part in part, is
Preventing circular tunnel ovalizing deflection from shield duct piece and mid-board are generated unfavorable stress and being concentrated influences, general at the top of mid-board to use
Cantilever structure.The middle partition wall structure that status uses has the following disadvantages:
1, under the action of bullet train wind load repeatedly, the risk that arm configuration has tired unstability is uphang.
2, mid-board cast-in-situ template project amount is big in circular tunnel, need to use a large amount of manual operations, and construction environment is poor.
3, mid-board is cast-in-place using complete cast-in-place and part, there is shield duct piece construction, cast-in-place construction, prefabricated spelling in circular tunnel
The techniques such as dress construction, each interlaced interference of technique on space and timing, construction efficiency be not high.
Summary of the invention
The purpose of the present invention is overcome the problems, such as that shield tunnel mid-board is easy tired unstability in the prior art.
For this purpose, the present invention provides a kind of simply-support shield tunnel mid-board mounting structure, including mid-board ontology, track
And tunnel-liner, the bottom end of the track laying and the tunnel-liner, the mid-board ontology are prefabricated component, the mid-board
The top of ontology and the vault of the tunnel-liner are detachably connected, and the bottom end of the mid-board ontology and the track are detachable
Connection.
Preferably, the mounting structure further includes lateral bracket, the side of the transverse direction bracket and the mid-board ontology
Upper end between be bolted, it is described transverse direction bracket top and the tunnel-liner top between by anchor bolt company
It connects.
Preferably, the side of the lateral bracket is equipped with oval threaded hole, the upper end of the mid-board ontology be equipped with
The corresponding bolt hole of the ellipse threaded hole, the ellipse threaded hole are greater than the bolt hole.
Preferably, the oval threaded hole includes at least two.
Preferably, the anchor bolt includes at least two.
Preferably, the lateral bracket includes multiple, and each lateral bracket is symmetrical along the mid-board ontology.
Preferably, it is installed on concave-convex falcon on the track, leads between the lower end of the mid-board ontology and the concave-convex falcon
It is too long to be bolted.
Preferably, the mid-board body height H meets with lower inequality:
H<h-(h1+h2+h3) (1)
Wherein, h is that tunnel clearance is high, and h1 is that construction of central division wall process overturns maximum Clearance Requirement, the tunnel oval-shaped deformation of h2,
The accumulative vertical error tolerances of mid-board are transmitted in the tunnel h3.
Preferably, the h3 includes tunnel duct piece error, lower ports component error and mid-board error.
The present invention also provides a kind of simply-support shield tunnel mid-board installation methods, comprising:
Prefabricated mid-board ontology is transported to tunnel, then overturns the mid-board sheet on the track in tunnel again
Body；
The bottom end of mid-board ontology is connect with the track bolt, then by the top and tunnel of the mid-board ontology
The vault of lining cutting passes through lateral bracket connection.
Beneficial effects of the present invention: this simply-support shield tunnel mid-board mounting structure provided by the invention and method,
First prefabricated mid-board ontology is transported to tunnel, then by mid-board ontology, in designated position, overturning is attentioned, mid-board sheet
The bottom of body is bolted in orbit, and the top of mid-board ontology passes through lateral bracket and connect with tunnel vault.It is setting
When counting the height of mid-board ontology, tunnel clearance height is comprehensively considered, construction of central division wall process overturns maximum Clearance Requirement, tunnel
The accumulative vertical error tolerances of mid-board are transmitted in ovalizing deflection and tunnel so that the installation of mid-board ontology smoothly into
Row, while the quantity and size of other connectors is saved, make full use of the space size in tunnel.The mounting structure avoids scene
Cast-in-place is complete prefabricated, while meeting construction assembly and tunnel oval-shaped deformation, can also can guarantee under the effect of unfavorable wind load
The middle partition wall structure of structural stability.And mounting structure also has that simple, structural stability is good, operating environment is good, construction is imitated
The high feature of rate.
The present invention is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the overall installation schematic diagram of simply-support shield tunnel mid-board mounting structure of the present invention；
Fig. 2 is the local A enlarged diagram of simply-support shield tunnel mid-board mounting structure of the present invention；
Fig. 3 is the lateral bracket side view of simply-support shield tunnel mid-board mounting structure of the present invention；
Fig. 4 is the local B enlarged diagram of simply-support shield tunnel mid-board mounting structure of the present invention；
Fig. 5 is the mounting height schematic diagram of simply-support shield tunnel mid-board mounting structure of the present invention.
Description of symbols: tunnel-liner 1, mid-board ontology 2, track 3, lateral bracket 4, oval threaded hole 5, bolt
Hole 6, anchor bolt 7, concave-convex falcon 8, stay bolt 9.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features；In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
The embodiment of the invention provides a kind of simply-support shield tunnel mid-board mounting structures, including mid-board ontology, rail
Road and tunnel-liner, the bottom end of the track laying and the tunnel-liner, the mid-board ontology are prefabricated component, the interval
The top of wall ontology and the vault of the tunnel-liner are detachably connected, and the bottom end of the mid-board ontology and the track are removable
Unload connection.
It follows that as shown in Figure 1, first track 3 is laid in tunnel-liner 1, then by prefabricated mid-board sheet
In the transport to track 3 of body 2, tunnel can be divided into the two rail row spaces in left and right, interval by then holding up the overturning of mid-board ontology 2
Wall ontology 2 plays the role of partition space.Bolt deep hole is reserved on track 3, the bottom end of mid-board ontology 2 is preset with and bolt
The corresponding bolt deep hole of deep hole, stay bolt, which passes through two bolt deep holes, to be consolidated the bottom end of mid-board ontology 2 and track 3
Fixed connection.Then the top of mid-board ontology 2 and the vault of tunnel-liner 1 being attached, connection type is to be detachably connected,
Specifically, by adding intermediate connector, intermediate connector one end is connect with the top of mid-board ontology 2, the other end and tunnel
The vault of lining cutting 1 connects, and can so realize that the top by mid-board ontology 2 is fixed, avoid mid-board ontology 2 and arranging
The intensity of the positive and negative piston Action of Wind pressure flowering structure of vehicle and the problem of stability deficiency.
Preferred scheme, the mounting structure further include lateral bracket, the side of the transverse direction bracket and the mid-board
It is bolted between the upper end of ontology, passes through anchor bolt between the top of the transverse direction bracket and the top of the tunnel-liner
Connection.It follows that as shown in Figures 1 to 3, lateral bracket 4 is bonded and leads to mid-board ontology 2 at square, the one side at right angle
Too long to be bolted, another side is equipped with radian, and the side with radian is connect with the vault of tunnel-liner 1 patch merga pass anchor bolt 7, this
In anchor bolt 7 can be concrete screw or anchor adhesive etc..Specifically, the side of lateral bracket 4 sets that there are three oval threaded holes
5, three bolts hole 6 are correspondingly provided on the top of mid-board ontology 2, bolt passes through oval threaded hole 5 and bolt hole 6 and can incite somebody to action
The two is fixed, and since the hole of oval threaded hole 5 is long along vertical direction, mid-board ontology 2 and lateral bracket 4 pass through this
Kind bolt connecting mode connection can meet tunnel oval-shaped deformation and carry out within the scope of certain structure installation error effectively reliable
Connection.
Preferred scheme, the ellipse threaded hole include at least two.The anchor bolt includes at least two.Multiple anchor bolts
7 and multiple oval threaded holes can play better stabilization, under normal circumstances with three anchor bolts 7.
Preferred scheme, the transverse direction bracket include it is multiple, each lateral bracket symmetrically divides along the mid-board ontology
Cloth.It follows that according to actual requirement of engineering, if 4 bonding strength of lateral bracket not enough if can again plus one or more.
Preferred scheme, is installed on concave-convex falcon on the track, the lower end of the mid-board ontology and the concave-convex falcon it
Between pass through stay bolt connect.As shown in figure 4, track 3 is embedded with concave-convex falcon 8, it is equipped with and concave-convex falcon in the bottom end of mid-board ontology 2
8 corresponding concave and convex parts, position mid-board ontology 2 when being easily installed.After having good positioning, mid-board ontology 2 and track 3 it
Between be fixedly connected by stay bolt 9.
Preferred scheme, the mid-board body height H meet with lower inequality:
H<h-(h1+h2+h3) (1)
Wherein, h is that tunnel clearance is high, and h1 is that construction of central division wall process overturns maximum Clearance Requirement, the tunnel oval-shaped deformation of h2,
The accumulative vertical error tolerances of mid-board are transmitted in the tunnel h3.
It follows that as shown in figure 5, mid-board height be less than structure free height, and meet malformation, construction error,
Construction Clearance Requirement.H < h- (h1+h2+h3), h structure free height, h1 construction of central division wall process overturn Clearance Requirement, the tunnel h2
Ovalizing deflection is transmitted to the accumulative vertical error tolerances of mid-board in the tunnel h3.
Preferred scheme, the h3 include tunnel duct piece error, lower ports component error and mid-board error.
The present invention also provides a kind of simply-support shield tunnel mid-board installation methods, comprising: by prefabricated mid-board sheet
Body is transported to tunnel, then overturns the mid-board ontology on the track in tunnel again；
The bottom end of mid-board ontology is connect with the track bolt, then by the top and tunnel of the mid-board ontology
The vault of lining cutting passes through lateral bracket connection.
Main installation steps are as follows: shield duct piece (i.e. tunnel-liner) installs -- installation of lower ports component -- mid-board
Ontology transport and installation positioning -- mid-board ontology is fixedly connected with openning part structure -- mid-board and top transverse direction bracket structure
Hinged connection.
Beneficial effects of the present invention: this simply-support shield tunnel mid-board mounting structure provided by the invention and method,
First prefabricated mid-board ontology is transported to tunnel, then by mid-board ontology, in designated position, overturning is attentioned, mid-board sheet
The bottom of body is bolted in orbit, and the top of mid-board ontology passes through lateral bracket and connect with tunnel vault.It is setting
When counting the height of mid-board ontology, tunnel clearance height is comprehensively considered, construction of central division wall process overturns maximum Clearance Requirement, tunnel
The accumulative vertical error tolerances of mid-board are transmitted in ovalizing deflection and tunnel so that the installation of mid-board ontology smoothly into
Row, while the quantity and size of other connectors is saved, make full use of the space size in tunnel.The mounting structure avoids scene
Cast-in-place is complete prefabricated, while meeting construction assembly and tunnel oval-shaped deformation, can also can guarantee under the effect of unfavorable wind load
The middle partition wall structure of structural stability.And mounting structure also has that simple, structural stability is good, operating environment is good, construction is imitated
The high feature of rate.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.
Claims (10)
1. a kind of simply-support shield tunnel mid-board mounting structure, it is characterised in that: served as a contrast including mid-board ontology, track and tunnel
It builds, the bottom end of the track laying and the tunnel-liner, the mid-board ontology is prefabricated component, the top of the mid-board ontology
It holds and is detachably connected with the vault of the tunnel-liner, bottom end and the track of the mid-board ontology are detachably connected.
2. simply-support shield tunnel mid-board mounting structure according to claim 1, it is characterised in that: the mounting structure
Further include lateral bracket, is bolted between the side of the transverse direction bracket and the upper end of the mid-board ontology, it is described
Pass through anchor bolts between the top of lateral bracket and the top of the tunnel-liner.
3. simply-support shield tunnel mid-board mounting structure according to claim 2, it is characterised in that: the transverse direction bracket
Side be equipped with oval threaded hole, the upper end of the mid-board ontology is equipped with bolt corresponding with the oval threaded hole
Hole, the ellipse threaded hole are greater than the bolt hole.
4. simply-support shield tunnel mid-board mounting structure according to claim 2, it is characterised in that: the ellipse spiral shell
Pit includes at least two.
5. simply-support shield tunnel mid-board mounting structure according to claim 2, it is characterised in that: the anchor bolt is at least
Including two.
6. simply-support shield tunnel mid-board mounting structure according to claim 2, it is characterised in that: the transverse direction bracket
Including multiple, each lateral bracket is symmetrical along the mid-board ontology.
7. simply-support shield tunnel mid-board mounting structure according to claim 1 or 2, it is characterised in that: the track
On be installed on concave-convex falcon, pass through stay bolt connection between the lower end of the mid-board ontology and the concave-convex falcon.
8. simply-support shield tunnel mid-board mounting structure according to claim 1, which is characterized in that the mid-board sheet
Body height H meets with lower inequality:
H<h-(h1+h2+h3)(1)
Wherein, h is that tunnel clearance is high, and h1 is that construction of central division wall process overturns maximum Clearance Requirement, the tunnel oval-shaped deformation of h2, h3 tunnel
The accumulative vertical error tolerances of mid-board are transmitted in road.
9. simply-support shield tunnel mid-board mounting structure according to claim 8, which is characterized in that the h3 includes tunnel
Road section of jurisdiction error, lower ports component error and mid-board error.
10. simply-support shield tunnel mid-board installation method according to any one of claims 1 to 9, which is characterized in that packet
It includes:
Prefabricated mid-board ontology is transported to tunnel, then overturns the mid-board ontology on the track in tunnel again；
The bottom end of mid-board ontology is connect with the track bolt, then by the top of the mid-board ontology and tunnel-liner
Vault pass through lateral bracket connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534753.3A CN110230502A (en) | 2019-06-20 | 2019-06-20 | A kind of simply-support shield tunnel mid-board mounting structure and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534753.3A CN110230502A (en) | 2019-06-20 | 2019-06-20 | A kind of simply-support shield tunnel mid-board mounting structure and method |
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| Publication Number | Publication Date |
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| CN110230502A true CN110230502A (en) | 2019-09-13 |
Family
ID=67856873
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910534753.3A Pending CN110230502A (en) | 2019-06-20 | 2019-06-20 | A kind of simply-support shield tunnel mid-board mounting structure and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189660A (en) * | 2020-03-04 | 2020-05-22 | 青岛理工大学 | Method for measuring stability of partition wall in shallow-buried single-hole double-line bias tunnel |
| CN112627882A (en) * | 2020-12-21 | 2021-04-09 | 上海市基础工程集团有限公司 | Transfer machine tool for large shield tunnel mid-partition and mounting method |
| CN113431633A (en) * | 2021-06-29 | 2021-09-24 | 上海隧道工程有限公司 | Method for mounting full-prefabricated intermediate wall in ultra-large diameter tunnel |
| CN113669068A (en) * | 2021-07-27 | 2021-11-19 | 中交隧道工程局有限公司 | Mid-partition installation process suitable for tunnel |
| CN113685207A (en) * | 2021-07-27 | 2021-11-23 | 中交隧道工程局有限公司 | Mid-partition wall turnover machine suitable for tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111189660A (en) * | 2020-03-04 | 2020-05-22 | 青岛理工大学 | Method for measuring stability of partition wall in shallow-buried single-hole double-line bias tunnel |
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| CN113431633A (en) * | 2021-06-29 | 2021-09-24 | 上海隧道工程有限公司 | Method for mounting full-prefabricated intermediate wall in ultra-large diameter tunnel |
| CN113669068A (en) * | 2021-07-27 | 2021-11-19 | 中交隧道工程局有限公司 | Mid-partition installation process suitable for tunnel |
| CN113685207A (en) * | 2021-07-27 | 2021-11-23 | 中交隧道工程局有限公司 | Mid-partition wall turnover machine suitable for tunnel |
| CN113669068B (en) * | 2021-07-27 | 2023-08-01 | 中交隧道工程局有限公司 | Intermediate wall mounting process suitable for tunnel |
| CN113685207B (en) * | 2021-07-27 | 2023-09-12 | 中交隧道工程局有限公司 | Intermediate wall turnover machine suitable for tunnel |
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