CN209372553U - A kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box - Google Patents
A kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box Download PDFInfo
- Publication number
- CN209372553U CN209372553U CN201822191374.2U CN201822191374U CN209372553U CN 209372553 U CN209372553 U CN 209372553U CN 201822191374 U CN201822191374 U CN 201822191374U CN 209372553 U CN209372553 U CN 209372553U
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- Prior art keywords
- tunnel
- soil pressure
- pressure cell
- surrounding rock
- bottom plate
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Abstract
The utility model discloses a kind of auxiliary embedded devices of Tunnel Surrounding Rock Pressure box.Specifically include bottom plate, limiting device, rubber layer and anchorage element.For the auxiliary of tunnel soil pressure cell to be embedded between preliminary bracing and secondary lining in constructing tunnel, it aims to solve the problem that in the construction period by construction infection, tunnel soil pressure cell unstability rate is high, and the problem of loosening displacement, measurement result is caused to be distorted easily occurs for buried tunnel soil pressure cell.The utility model structure is simple, easy to operate, in constructing tunnel, is not easy to influence measurement result due to periphery disturbs and is subjected to displacement, and be suitable for the measurement of the soil pressures such as side slope, tunnel, foundation pit or pressure from surrounding rock.
Description
Technical field
The utility model belongs to the monitoring and measuring technology in Tunnel Engineering field, what specially a kind of Tunnel Surrounding Rock Pressure measured
The auxiliary embedded device of tunnel soil pressure cell.
Background technique
Tunnel soil pressure cell is a kind of equipment for being commonly used in on-the-spot test resistance to shear of soil, is widely used in side slope, road
The geotechnical engineerings field such as base, foundation pit, dam, earth embankment, tunnel.In tunnel construction, usually need to tunnel each point country rock pressure
Power is monitored, to ensure construction and operation security.Instantly, tunnel soil pressure cell is mainly in the early stage between supporting and secondary lining
It is installed, for carrying out pressure from surrounding rock measurement.
The method for embedding of conventional tunnel soil pressure cell mainly has dossal method, extrusion method and boring method, these types of burying technology
Equal comparative maturity, is widely used in engineering.Building enclosure meets the embedded common dossal method of native face tunnel soil pressure cell, be by
Soil pressure sensor is by the position layouted, and first on the nylon cloth of one fixed width, then spreads the nylon cloth with sensor
It hangs on the surface corresponding position of steel reinforcement cage, is hung in groove together in company with steel reinforcement cage, be poured concrete after positioning into groove,
With the rising of concrete surface, by means of the lateral thrust of concrete, paving is hung over into the nylon cloth of surface of reinforcing cage together with soil pressure sensing
Device presses to the wall surface of groove together.Extrusion method can be ejected tunnel soil pressure cell by air rammer, be close to the soil body to carry out
Test.It is embedded that boring method is usually used in the soil body soil pressure sensor, i.e., first carries out holing with slurry wall protection in the soil body, and by soil pressure
Force snesor is fixed on the thin-wall channel or steel reinforcement cage of customization, then by soil pressure sensor with thin-wall channel or steel reinforcement cage one
Prescribed depth position in road embedment drilling, then fine sand is backfilled in the borehole, the test of soil pressure is carried out after fine sand consolidation.
However the above method is not suitable for the embedded of tunnel soil pressure cell, and fixed effect is poor, tunnel soil pressure cell is easy
It generates and loosens inclination, cause tunnel soil pressure cell that cannot be tightly attached in tested region, ultimately cause test data inaccuracy, because
This, is badly in need of a kind of device, carrys out protection path soil pressure cell and is not damaged, it is accurately buried to predetermined position, it is most important that
It fits closely tunnel soil pressure cell sensitive area with surveyed region, guarantees that monitoring result is accurate, and convenient for being fixedly mounted, structure letter
It is single, it is convenient and practical, it is cheap, it is widely portable to engineering practice.
Utility model content
In order to solve the problems existing in the prior art, the auxiliary that the utility model provides a kind of Tunnel Surrounding Rock Pressure box is buried
Device, the utility model are unique in that reasonable stress, and convenient for being fixedly mounted, used as needed, structure is simple, and can be used for
Batch type produces and uses, cheap, has preferable practical engineering value.
The utility model uses following technical scheme and reaches above-mentioned purpose of utility model:
A kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box, including bottom plate, tunnel soil pressure cell and anchorage element；It is described
Bottom edge is provided with circular opening, and anchorage element is mounted in circular opening；Bottom plate is provided centrally with for placing tunnel soil
Multiple limiting devices of pressure cell, tunnel soil pressure cell are arranged in the region that limiting device surrounds, tunnel soil pressure cell and limit
Rubber layer is equipped between the device of position.
The tunnel soil pressure cell is set to bottom plate center, and limiting device is cylindrical reinforcing steel material, limiting device
It is arranged in tunnel soil pressure cell surrounding；The soil pressure cell p-wire of tunnel soil pressure cell is worn between two neighboring limiting device
It crosses.
The height of the limiting device is no more than the height of tunnel soil pressure cell；The cross-sectional shape of limiting device is circle
Shape.
The height of the limiting device is 0.5~0.8 times of tunnel soil pressure cell height.
The number of the limiting device is 4~8, needs equidistantly distributed, is fixed on the upper of bottom plate by spot welding.
The bottom plate is a solid rectangular steel plates, and the quadrangle of bottom plate is equipped with the circular opening.
The anchorage element is identical as circular opening quantity.
The cross sectional shape of the bottom plate is square, area of section be tunnel soil pressure cell area of section 1.5~
2 times.
The height of the rubber layer is no more than the height of tunnel soil pressure cell.
The anchorage element is setscrew, and anchorage element is that embedded device will be assisted to be fixed on test by circular opening
In object.
Compared with prior art, the utility model has the following beneficial effects:
A kind of auxiliary embedded device of the Tunnel Surrounding Rock Pressure box of the utility model, for preliminary bracing in constructing tunnel with
The in-site installation of tunnel soil pressure cell is embedded between secondary lining, it is intended to which it is low to solve short-term inner tunnel soil pressure cell survival rate, buries
If position easily changes, the problem of measurement result inaccuracy.Tunnel soil pressure cell reasonable stress, convenient for being fixedly mounted, structure is simple,
It is convenient and practical.It is used as needed convenient for being fixedly mounted in engineering in use, the utility model is unique in that reasonable stress,
Structure is simple, and can be used for batch type production and application, cheap, has preferable practical engineering value.
Detailed description of the invention
Fig. 1 is a kind of top view of the auxiliary embedded device of Tunnel Surrounding Rock Pressure box of the utility model；
Fig. 2 is a kind of main view of the auxiliary embedded device of Tunnel Surrounding Rock Pressure box of the utility model；
Fig. 3 is a kind of auxiliary embedded device use state diagram of Tunnel Surrounding Rock Pressure box of the utility model；
Fig. 4 is a kind of 3 dimensional drawing of the auxiliary embedded device of Tunnel Surrounding Rock Pressure box of the utility model；
Figure label represents: 1, bottom plate, 2, circular opening, 3, rubber layer, 4, limiting device, 5, tunnel soil pressure cell, 6,
Anchorage element, 7, soil pressure cell p-wire.
Specific embodiment
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
To keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawings and examples to this
The specific implementation situation of utility model is described further, described to be the explanation to the utility model rather than limit.
Shown in attached drawing 1~4, a kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box, including bottom plate 1, circular opening 2, rubber
Glue-line 3, limiting device 4, anchorage element 6 and soil pressure cell p-wire 7.The bottom plate 1 is a solid rectangular steel plates, steel plate
Quadrangle is equipped with circular opening 2.Tunnel soil pressure cell 5 is set to bottom plate center, and limiting device 4 is the fixing piece of welding.Tunnel
Rubber layer 3 is equipped between road soil pressure cell 5 and fixing piece.In the circular opening 2, anchorage element 6 is installed.Soil pressure cell test
Line 7 is passed through from two neighboring limiting device 4.
The cross sectional shape of bottom plate 1 is square, and area of section is 1.5~2 times of tunnel soil pressure cell area of section.
Rubber layer 3 has certain thickness, is highly no more than the height of tunnel soil pressure cell 5.And biggish modeling will not be generated
Property deformation, will not influence the registration accuracy of tunnel soil pressure cell.
Rubber layer 3 fastens tunnel soil pressure cell 5 by transmitting lateral pressure, can play fixed function, while rubber material
Material has good elastic property, protection path soil pressure cell can will not destroy in construction.
The number of limiting device 4 is 4~8, needs equidistantly distributed, the top of bottom plate 1 is fixed on by spot welding.
Anchorage element 6 is identical as 2 quantity of circular opening, is four, is distributed in four angles of bottom plate 1.
The cross-sectional shape of limiting device 4 is circle, and spatial form is cylindrical body, it is preferable that construction site can be used
Lengths of rebar, bar diameter 8mm.
The anchorage element 6 is the device of setscrew or other similar anchorage effect, will be originally auxiliary by circular opening
Embedded device is helped to be fixed in test object.
The height of the limiting device 4 is no more than the height of tunnel soil pressure cell 5, it is preferable that its height is tunnel soil pressure
0.5~0.8 times of 5 height of power box.
A kind of auxiliary embedded device of the Tunnel Surrounding Rock Pressure box of the utility model, for preliminary bracing in constructing tunnel with
The in-site installation of tunnel soil pressure cell is embedded between secondary lining, it is intended to which it is low to solve short-term inner tunnel soil pressure cell survival rate, buries
If position easily changes, the problem of measurement result inaccuracy.Tunnel soil pressure cell reasonable stress, convenient for being fixedly mounted, structure is simple,
It is convenient and practical.
The specifically used method of the utility model is as follows:
S1, a square steel plate is chosen, sectional dimension is 1.5~2 times of tunnel soil pressure cell；
S2, circular opening 2 is reserved in the quadrangle of bottom plate 1, the diameter of circular opening depends on the size of anchorage element 6,
Middle anchorage element can be used expansion bolt or remaining all can play the rod piece of anchorage effect；
S3, the rubber layer 3 that diameter dimension is slightly larger than tunnel soil pressure cell is chosen, pressure cell side is sleeved on, for protecting
The not frayed extruding of the side surface direction of tunnel soil pressure cell；
S4, in rubber layer surrounding by way of spot welding connecting bottom board 1 and limiting device 4, limiting device can be used small
Lengths of rebar or the cheap steel structure of remaining all feeding, should be noted that the height of fixed device has to be lower than tunnel soil pressure
The height of box takes the height of limiting device 4 for 0.5~0.8 times of tunnel soil pressure cell height；
Whole device is fixed on rock mass in tunnel position to be measured by circular opening 2 by S5, anchorage element 6, and anchorage element can
Using expansion bolt or remaining all components that can anchor；
Tunnel soil pressure cell in use, need to only be placed in rubber layer 3, by above-mentioned entire installation dress by S6, engineering site
It sets and is fixed on designated position；
When S7, in-site installation, it should make to contact between tunnel soil pressure cell and rock mass uniformly；
When S8, scene are embedding, by adjusting the angle of tunnel soil pressure cell, make soil pressure cell p-wire 7 from two neighboring
It is taken out between limiting device 4, the output for data；
A kind of auxiliary embedded device of tunnel surrounding tunnel soil pressure cell, stating bottom plate is a solid rectangular steel plates, bottom plate
Quadrangle be equipped with circular opening, circular opening can install anchorage element.The tunnel soil pressure cell is set to bottom plate center,
Its limiting device is cylindrical reinforcing steel material.The limiting device is cylindrical reinforcing steel material, is welded on bottom plate, tunnel soil pressure
Power box is cased with a rubber layer, and thickness adds the radius of tunnel soil pressure cell, is equal to the tunnel soil pressure cell center of circle to limiting device
Distance.The anchorage element is the device of setscrew or other similar anchorage effect, is assisted this by circular opening
Embedded device is fixed in test object.The utility model structure is simple, easy to operate, in constructing tunnel, is not easy because of periphery
Disturbance is subjected to displacement and the utility model structure is simple, easy to operate, in constructing tunnel, is not easy to be subjected to displacement because periphery disturbs
And measurement result is influenced, and be suitable for the measurement of the soil pressures such as side slope, tunnel, foundation pit or pressure from surrounding rock.
The utility model reasonable stress, convenient for being fixedly mounted, used as needed, structure is simple, and can be used for batch type production makes
With, it is cheap, there is practical engineering value.The utility model solve in constructing tunnel supporting in the early stage and secondary lining it
Between carry out the embedded problem of tunnel soil pressure cell, and convenient for being fixedly mounted, structure is simple, convenient and practical.
The above is installation of the utility model for tunnel soil pressure cell during constructing tunnel that explain through diagrams
Principle, be not intended to for the utility model to be confined to shown in and the specific structure and the scope of application in, therefore it is all it is all can
The corresponding modification that can be utilized and equivalent, belong to the applied the scope of the patents of the utility model.
Although being described above in conjunction with specific embodiment of the attached drawing to the utility model, the utility model is not
It is confined to above-mentioned specific embodiment, above-mentioned specific embodiment is only schematical, directiveness rather than limits
Property.Those skilled in the art under the enlightenment of this specification, are protected in the claim for not departing from the utility model
In the case where the range of shield, a variety of forms can also be made, these belong to the column of the utility model protection.
Claims (10)
1. a kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box, it is characterised in that: including bottom plate (1), tunnel soil pressure cell (5)
With anchorage element (6)；Bottom plate (1) edge is provided with circular opening (2), and anchorage element (6) is mounted on circular opening (2)
It is interior；Bottom plate (1) is provided centrally with multiple limiting devices (4) for placing tunnel soil pressure cell (5), tunnel soil pressure cell (5)
It is arranged in the region that limiting device (4) surrounds, is equipped with rubber layer (3) between tunnel soil pressure cell (5) and limiting device (4).
2. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as described in claim 1, it is characterised in that: the tunnel soil pressure
Power box (5) is set to bottom plate (1) center, and limiting device (4) is cylindrical reinforcing steel material, and limiting device (4) is arranged in tunnel
Soil pressure cell (5) surrounding；The soil pressure cell p-wire (7) of tunnel soil pressure cell (5) is worn between two neighboring limiting device (4)
It crosses.
3. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as claimed in claim 1 or 2, it is characterised in that: the limit
The height of device (4) is no more than the height of tunnel soil pressure cell (5)；The cross-sectional shape of limiting device (4) is circle.
4. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as claimed in claim 3, it is characterised in that: the limiting device
(4) height is 0.5~0.8 times of tunnel soil pressure cell (5) height.
5. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as claimed in claim 1 or 2, it is characterised in that: the limit
The number of device (4) is 4~8, needs equidistantly distributed, is fixed on the upper of bottom plate (1) by spot welding.
6. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as described in claim 1, it is characterised in that: the bottom plate (1)
Quadrangle for a solid rectangular steel plates, bottom plate is equipped with the circular opening (2).
7. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as claimed in claim 6, it is characterised in that: the anchorage element
(6) identical as circular opening (2) quantity.
8. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as claimed in claim 7, it is characterised in that: the bottom plate (1)
Cross sectional shape be square, area of section is 1.5~2 times of tunnel soil pressure cell (5) area of section.
9. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as described in claim 1, it is characterised in that: the rubber layer
(3) height is no more than the height of tunnel soil pressure cell (5).
10. the auxiliary embedded device of Tunnel Surrounding Rock Pressure box as described in claim 1, it is characterised in that: the anchorage element
It (6) is setscrew, anchorage element (6) is that embedded device will be assisted to be fixed in test object by circular opening (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822191374.2U CN209372553U (en) | 2018-12-20 | 2018-12-20 | A kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822191374.2U CN209372553U (en) | 2018-12-20 | 2018-12-20 | A kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372553U true CN209372553U (en) | 2019-09-10 |
Family
ID=67831037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822191374.2U Expired - Fee Related CN209372553U (en) | 2018-12-20 | 2018-12-20 | A kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box |
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| Country | Link |
|---|---|
| CN (1) | CN209372553U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707448A (en) * | 2019-02-20 | 2019-05-03 | 西安科技大学 | It is a kind of for installing the ancillary equipment of soil pressure cell |
| CN112324501A (en) * | 2020-07-26 | 2021-02-05 | 中铁二院工程集团有限责任公司 | Stress testing system for deep and large vertical shaft wall structure of railway tunnel |
| CN112901276A (en) * | 2021-03-11 | 2021-06-04 | 山东鲁桥建设有限公司 | Tunnel soil pressure cell burying device and using method |
| CN114235034A (en) * | 2021-11-29 | 2022-03-25 | 山东大学 | Tunnel surrounding rock stress and steel arch frame strain integrated measurement auxiliary device and method |
| CN115655366A (en) * | 2022-10-25 | 2023-01-31 | 广东御鑫建筑工程有限公司 | Slope geotechnical engineering monitoring system |
-
2018
- 2018-12-20 CN CN201822191374.2U patent/CN209372553U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707448A (en) * | 2019-02-20 | 2019-05-03 | 西安科技大学 | It is a kind of for installing the ancillary equipment of soil pressure cell |
| CN109707448B (en) * | 2019-02-20 | 2024-05-28 | 西安科技大学 | Auxiliary equipment for installing soil pressure box |
| CN112324501A (en) * | 2020-07-26 | 2021-02-05 | 中铁二院工程集团有限责任公司 | Stress testing system for deep and large vertical shaft wall structure of railway tunnel |
| CN112901276A (en) * | 2021-03-11 | 2021-06-04 | 山东鲁桥建设有限公司 | Tunnel soil pressure cell burying device and using method |
| CN112901276B (en) * | 2021-03-11 | 2022-12-13 | 山东高速工程建设集团有限公司 | Tunnel soil pressure cell burying device and using method |
| CN114235034A (en) * | 2021-11-29 | 2022-03-25 | 山东大学 | Tunnel surrounding rock stress and steel arch frame strain integrated measurement auxiliary device and method |
| CN115655366A (en) * | 2022-10-25 | 2023-01-31 | 广东御鑫建筑工程有限公司 | Slope geotechnical engineering monitoring system |
| CN115655366B (en) * | 2022-10-25 | 2024-02-02 | 广东御鑫建筑工程有限公司 | Side slope geotechnical engineering monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20201220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |