CN206489107U - Tunnel grouting cavity check device - Google Patents
Tunnel grouting cavity check device Download PDFInfo
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- CN206489107U CN206489107U CN201720163592.8U CN201720163592U CN206489107U CN 206489107 U CN206489107 U CN 206489107U CN 201720163592 U CN201720163592 U CN 201720163592U CN 206489107 U CN206489107 U CN 206489107U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 230000035515 penetration Effects 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000007569 slipcasting Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 10
- 239000002002 slurry Substances 0.000 description 10
- 238000000151 deposition Methods 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model is related to the empty check device of tunnel grouting, the detection means includes that the inspection box on tunnel vault can be fixed on, it includes the box main body of water penetration and the electrode pair being arranged in box main body, two electrodes of electrode pair mutually insulated under drying regime, is turned on each other in the case of conductive liquid；Indication box, it includes the circuit by power supply and current indicator series connection, and circuit is connected with electrode pair.Using check device of the present utility model, it can check that whether slip casting is full in tunnel, avoiding problems reparation construction is carried out to it again after the concrete has set, so as to greatly simplifie work progress, reduces construction cost during slip casting.
Description
Technical field
The utility model is related to ground field, more particularly to a kind of device for checking tunnel grouting cavity.
Background technology
With the fast development of china railway, highway, China has become tunnel in the world and underground engineering is most, most multiple
Miscellaneous country.
By taking tunnel as an example, secondary lining is played as tunnel outermost layer concrete to tunnel perimeter adjoining rock stability
Important support action, while also functioning to waterproof and aesthetic function.However, in the work progress of the secondary lining, it may appear that
The discontented phenomenon of tunnel vault slip casting filling.This phenomenon is the disease of the harm maximum in tunnel.In the prior art, Zhi Neng
This phenomenon is reexamined after the solidification completely of secondary lining concrete, is then repaired again, this can cause constructing tunnel cost mistake
Height, construction complicates, therefore is badly in need of improving test mode of the prior art.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of empty check device of tunnel grouting.Use the utility model
Check device, can check whether slip casting is full in tunnel, and avoiding problems right again after the concrete has set during slip casting
It carries out reparation construction, so as to greatly simplifie work progress, reduces construction cost.
The empty check device of tunnel grouting of the present utility model, including：The inspection box on tunnel vault can be fixed on, it is wrapped
The box main body of water penetration and the electrode pair being arranged in box main body are included, two electrodes of electrode pair are mutually exhausted under drying regime
Edge, is turned on each other under conductive liquid case；Indication box, it includes the circuit by power supply and current indicator series connection, electricity
Road is connected with electrode pair.
In mortar depositing construction, by taking the vault of Tunnel Second Lining as an example, check device of the present utility model is fixed first
On tunnel vault, then by filling concrete to trolley formwork by the way of from bottom to top.With entering for construction
OK, concrete surface can be raised constantly.After filling concrete is full, concrete slurry can be entered inside it through box main body,
So that with power supply, electrode pair and current indicator circuit turn-on (concrete slurry enter box main body in before, electrode
Because to dry and mutually insulated, circuit is not turned between two electrodes), current indicator indicates that concrete is filled with tunnel arch
Top.So, during mortar depositing construction, tunnel vault just can in time and easily be learnt by the instruction for observing current indicator
Whether slip casting fills up (that is, tunnel vault slip casting is with the presence or absence of cavity), not only ensure that construction quality, and avoid in coagulation
Reparation construction is carried out to it again after soil solidification, so as to greatly simplifie work progress, construction cost is reduced.It should also be noted that
It is that check device of the present utility model is not only adapted to check vault, is also suitable for checking other positions of secondary lining, including：Arch
Waist, spandrel, arch springing etc..
In one embodiment, electrode structure is conducting strip, and conducting strip carries the terminal extended to outside box main body.
In the production process of check device, compared with needle electrode, conducting strip is physically easier to perform and installed, so as to simplify inspection dress
The production technology put.
In a preferred embodiment, the area of conducting strip is in 1mm2To 100cm2Between, thickness is in 0.1mm to 20mm
Between.The area of this conducting strip is larger, enabling easily by its operation and installation.Importantly, the thickness of conducting strip
Degree is so small, so that can be fabricated to box main body very thin.So during slip casting, concrete surface can rise to very
In the case of tunnel vault, concrete slurry can be just entered in box main body so that current indicator indicates concrete
It is filled with tunnel vault.Thus, further reduce tunnel vault slip casting and there is cavity, improve the utility model
Check device inspection precision.
In one embodiment, multiple conducting strips are set in the way of non-laminated.So, box main body can further be reduced
Thickness, thus further improve check device of the present utility model and check precision.
In one embodiment, the quantity of electrode pair is multiple, and indication box includes multiple circuits, each circuit respectively with respectively
From electrode pair be connected.So, check device can realize that multiple spot is detected, so as to improve check device inspection of the present utility model
Precision.
In one embodiment, box main body includes cassette bottom face, box top and the permeable box side wall of waterproof, and cassette bottom face can be with
Tunnel wall is fixedly linked.According to the box main body of this structure, when concrete surface touches the box top of box main body, concrete is also
In can not entering, and then check device would not instruct that tunnel vault has been filled with.Only after concrete surface crosses box top,
Concrete could enter box main body through box side wall, and now check device would not instruct that tunnel vault has been filled with.So, one is just entered
Step reduces tunnel vault slip casting and there is a possibility that cavity, improves check device of the present utility model and checks precision.In addition,
Cassette bottom face has water proofing property, so can prevent the leak from tunnel inner wall from entering in box main body and trigger check device to send out
Indicate with making mistake, further increase check device of the present utility model and check precision.
In one embodiment, it is provided with adhesive layer on the outer surface in cassette bottom face.So, it is convenient to box will be checked
Fixed on tunnel vault, facilitating construction.
In one embodiment, box side wall is screen cloth.
In one embodiment, two electrodes are separated by the water accepting layer insulated.In a preferred embodiment, water accepting layer
For sponge or absorbent cloth.This water accepting layer gets up electrode embedding, and electrode is played a protective role.It can become after water accepting layer water suction
Obtain conductive, so as to realize electrical connection between electrode.
In one embodiment, current indicator is one kind in ammeter, indicator lamp, buzzer, display.
Compared with prior art, the utility model has the advantage of：, can be in note using check device of the present utility model
Check whether tunnel vault fills up during slurry, avoiding problems carrying out reparation construction to it again after the concrete has set, so that
Work progress is greatly simplified, construction cost is reduced.
Brief description of the drawings
The utility model will be hereinafter described in more detail based on embodiment and refer to the attached drawing.Wherein：
Fig. 1 is the overall structure diagram according to the empty check device of tunnel grouting of the present utility model.
Fig. 2 is the circuit theory schematic diagram according to the empty check device of tunnel grouting of the present utility model.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to actual ratio.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is schematically showed (hereinafter referred to as to be checked according to the empty check device 1 of tunnel grouting of the present utility model
Device 1).As shown in figure 1, seeing on the whole, check device 1 includes checking box 2 and indication box 3.Check that box 2 and indication box 3 are logical
Wire 11 is crossed to be connected.By taking the vault of Tunnel Second Lining as an example, in mortar depositing construction, check that box 2 is arranged on tunnel vault, refer to
Show that box 3 is then placed on any position for being suitable to observation.Check that box 2 can (that is, slip casting reaches tunnel after injection slurry enters its inside
Road vault and tunnel vault is filled up), check and electrically conducted between box 2 and indication box 3 so that indication box 3 sends tunnel vault
The instruction filled up.
Specifically, as depicted in figs. 1 and 2, check that box 2 includes the box main body 4 of water penetration and is arranged in box main body 4
Electrode pair 5.Two electrodes 51,52 of electrode pair 5 mutually insulated under drying regime, in conductive liquid (for example, concrete
Slurries) in the case of turn on each other.For example, in mortar depositing construction, when concrete slurry is introduced into box main body 4, electrode 51,52
Mutually insulated；When concrete slurry enters in box main body 4 (that is, slip casting reaches tunnel vault and fills up tunnel vault),
Electrode 51,52 mutual conductions.
Indication box 3 includes the circuit 100 that power supply 7 and current indicator 9 are connected being arranged in housing 8.On housing 8
It is provided with the patch jack 10 of circuit 100.Two electrodes 51 that so circuit 100 can be by wire 11 with electrode pair 5,52 phases
Even.So, when electrode 51,52 is turned on each other, turned on by power supply 7 and current indicator 9, current indicator 9 can send tunnel
The instruction that vault is filled up.When electrode 51,52 is insulated from each other, disconnected by power supply 7 and current indicator 9, current indicator 9 is not sent out
Go out to indicate.Preferably, current indicator 9 is one kind in ammeter, indicator lamp, buzzer, display.
It should be understood that multiple electrodes can be set in box main body 4 to 5.It is to have in indication box 3 multiple accordingly
Circuit 100, each circuit is connected with respective electrode pair 5 respectively.So, box main body 4 can be configured with to larger area,
So as to check the slip casting situation of tunnel vault in the larger context, check device of the present utility model so can further improve
1 checks precision.
Again referring to Fig. 1, box main body 4 includes cassette bottom face 41, box top 42 and the permeable box side wall 43 of waterproof, cassette bottom face 41
It can be fixedly linked with tunnel vault.Preferably, box main body 4 can be flexibility, to adapt to the radian of tunnel vault.More electedly, box
Adhesive layer 44 is provided with the outer surface of bottom surface 41, box main body 4 is fixed on tunnel vault.It is, of course, also possible to by
Box main body 4 is fixed in other any appropriate modes, for example, is installed by bolt.More preferably, box side wall 43 is screen cloth.It is anti-
The cassette bottom face 41 of water can prevent that water enters the inside of box main body 4 and causes the unexpected conducting of electrode 51,52 in tunnel wall.The box of waterproof
Top surface 42 may be such that after concrete surface crosses box top 42, can just enter in box main body 4, and this helps to reduce tunnel vault
Slip casting there is a possibility that cavity.
Electrode 51,52 can be separated by the water accepting layer 6 insulated.Water accepting layer 6 is such as can be sponge, water suction cotton.So,
Only after conductive concrete slurry is entered in box main body 4, water accepting layer 6 can just absorb water and electrode 51,52 is turned on each other.
In a preferred embodiment, electrode 51,52 is configured to conducting strip, conducting strip with extend to box main body 4 it
Outer terminal 12.Conducting strip is sheet, compared with thread or needle electrode, it is easier to operation and installation, simplifies inspection
The production technology of device 1.In a preferred embodiment, the area of conducting strip is in 1mm2To 100cm2Between, thickness exists
Between 0.1mm to 20mm.This conducting strip is not only easy to operation, and the thickness with very little, therefore can make box main body 4
Make to be very thin.So during slip casting, concrete surface can rise to be in close proximity to tunnel vault in the case of, concrete
Slurries can be just entered in box main body 4 so that current indicator indicates that concrete is filled with tunnel vault.Thus, further subtract
Small tunnel vault slip casting there is a possibility that cavity, improve the inspection precision of check device 1.
Preferably, multiple conducting strips are set in the way of non-laminated.For example, these conducting strips are in same plane.This
Sample, as long as the thickness of box main body 4 can accommodate the conducting strip of individual layer and the water accepting layer of suitable thickness, so as to further reduce
The thickness of box main body 4, contributes to the inspection precision of further check device 1.
Although it should also be noted that to illustrate that this practicality is new exemplified by the slip casting situation for checking tunnel vault in embodiment
The check device 1 of type, but check device of the present utility model 1 is also suitable for checking other positions of Tunnel Second Lining, including：
Haunch, spandrel, arch springing etc., occupation mode is identical, repeats no more here.
Although the utility model is described by reference to preferred embodiment, model of the present utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing
The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. tunnel grouting cavity check device, it is characterised in that including：
The inspection box in tunnel wall can be fixed on, it includes the box main body of water penetration and the electrode being arranged in the box main body
Right, two electrodes of electrode pair mutually insulated under drying regime is turned on each other in the case of conductive liquid,
Indication box, it includes the circuit by power supply and current indicator series connection, and the circuit is connected with the electrode pair.
2. check device according to claim 1, it is characterised in that the electrode structure is conducting strip, the conducting strip
With the terminal extended to outside the box main body.
3. check device according to claim 2, it is characterised in that the area of the conducting strip is in 1mm2To 100cm2It
Between, thickness is between 0.1mm to 20mm.
4. the check device according to Claims 2 or 3, it is characterised in that the quantity of the electrode pair is multiple, the finger
Show that box includes multiple circuits, each circuit is connected with respective electrode pair respectively.
5. check device according to claim 4, it is characterised in that multiple conducting strips are set in the way of non-laminated
Put.
6. check device according to claim 1, it is characterised in that the box main body includes cassette bottom face, the box top of waterproof
Face and permeable box side wall, the cassette bottom face can be fixedly linked with tunnel wall.
7. check device according to claim 6, it is characterised in that be provided with bonding on the outer surface in the cassette bottom face
Oxidant layer.
8. the check device according to claim 6 or 7, it is characterised in that box side wall is screen cloth.
9. check device according to claim 1, it is characterised in that described two electrodes are separated by the water accepting layer insulated.
10. check device according to claim 1, it is characterised in that the current indicator be ammeter, indicator lamp,
One kind in buzzer, display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163592.8U CN206489107U (en) | 2017-02-22 | 2017-02-22 | Tunnel grouting cavity check device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163592.8U CN206489107U (en) | 2017-02-22 | 2017-02-22 | Tunnel grouting cavity check device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206489107U true CN206489107U (en) | 2017-09-12 |
Family
ID=59765488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720163592.8U Active CN206489107U (en) | 2017-02-22 | 2017-02-22 | Tunnel grouting cavity check device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206489107U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770471A (en) * | 2017-02-22 | 2017-05-31 | 中国铁道科学研究院铁道建筑研究所 | Tunnel grouting cavity check device |
| CN107939416A (en) * | 2017-11-15 | 2018-04-20 | 中铁四局集团有限公司 | Early warning method for preventing concrete at tunnel vault from being empty |
| CN109751084A (en) * | 2018-12-28 | 2019-05-14 | 中铁隧道集团四处有限公司 | Tunnel vault bomb shelter alarm method |
| CN110847971A (en) * | 2019-11-26 | 2020-02-28 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | System for quantitatively calculating concrete pouring cavity in tunnel secondary lining construction period |
-
2017
- 2017-02-22 CN CN201720163592.8U patent/CN206489107U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770471A (en) * | 2017-02-22 | 2017-05-31 | 中国铁道科学研究院铁道建筑研究所 | Tunnel grouting cavity check device |
| CN106770471B (en) * | 2017-02-22 | 2024-05-07 | 中国铁道科学研究院铁道建筑研究所 | Tunnel grouting cavity inspection device |
| CN107939416A (en) * | 2017-11-15 | 2018-04-20 | 中铁四局集团有限公司 | Early warning method for preventing concrete at tunnel vault from being empty |
| CN109751084A (en) * | 2018-12-28 | 2019-05-14 | 中铁隧道集团四处有限公司 | Tunnel vault bomb shelter alarm method |
| CN109751084B (en) * | 2018-12-28 | 2020-07-31 | 中铁隧道局集团建设有限公司 | Tunnel vault air-raid shelter alarming method |
| CN110847971A (en) * | 2019-11-26 | 2020-02-28 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | System for quantitatively calculating concrete pouring cavity in tunnel secondary lining construction period |
| CN110847971B (en) * | 2019-11-26 | 2021-09-24 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | System for quantitatively calculating concrete pouring cavity in tunnel secondary lining construction period |
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