CN220365583U - Shield segment containing displacement monitoring device - Google Patents
Shield segment containing displacement monitoring device Download PDFInfo
- Publication number
- CN220365583U CN220365583U CN202321312011.4U CN202321312011U CN220365583U CN 220365583 U CN220365583 U CN 220365583U CN 202321312011 U CN202321312011 U CN 202321312011U CN 220365583 U CN220365583 U CN 220365583U
- Authority
- CN
- China
- Prior art keywords
- shield segment
- shield
- segment
- monitoring device
- mounting box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 51
- 238000012806 monitoring device Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000004567 concrete Substances 0.000 claims description 5
- 238000009417 prefabrication Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a shield segment comprising a displacement monitoring device, wherein a groove is formed on the inner arc surface of the shield segment facing the outer arc surface of the shield segment in a concave manner, one side of the groove close to a joint is provided, one end of the groove extends out of the joint of the shield segment, the top of the groove is connected with an anchor rod inwards, one end of the anchor rod is prefabricated with the shield segment, the other end of the anchor rod is connected with a threaded rod, one end of the threaded rod is connected with the anchor rod, the other end of the threaded rod points to the joint side of the shield segment, and a displacement meter is connected between the corresponding threaded rods of two shield segments after the adjacent shield segments are butted. The main body structure of the displacement monitoring device is prefabricated together with the shield segments, the displacement meter is installed after the shield segments are spliced together, the installation box is not required to be removed after the installation is completed, the structure of the shield segments is not damaged, the installation is simple and convenient, and the installation and measurement cost is low.
Description
Technical Field
The utility model belongs to the technical field of shield segment joint deformation monitoring, and particularly relates to a shield segment with a displacement monitoring device.
Background
A double-layer lining structure using a segment as an outer lining and prestressed reinforced concrete as an inner lining as described in application number 201110141846.3 is widely used in the face of high water pressure born by a water transport tunnel.
The shield segment is used as a supporting structure of the tunnel and bears the heavy duty of guaranteeing the safe operation of the water delivery tunnel. When the deformation degree of the duct piece joint of the water delivery tunnel is large, the underground water leakage and the duct piece bolt are possibly damaged by shearing and the like, and the normal operation of the water delivery tunnel is seriously threatened, so that the method has very important significance for effectively monitoring the shield duct piece joint deformation for a long time. The deformation of the joint of the water delivery tunnel pipe sheet is a slow process, which requires long-term and stable monitoring.
The shield segment of the water delivery tunnel is generally prefabricated in a segment processing plant, and the seam monitoring of the shield segment is started after the shield segment is installed, and the cast concrete segment cannot be damaged during installation, so that the shield segment seam monitoring device is required to be embedded in the shield segment processing plant, and the problems of deformation installation and measurement of the shield segment seam of the water delivery tunnel are solved.
Disclosure of Invention
The utility model provides a solve water delivery tunnel shield section of jurisdiction surface joint deformation monitoring installation difficult problem, provide a shield section of jurisdiction structure that contains displacement monitoring devices, just pre-buried to shield section of jurisdiction with displacement monitoring devices's major structure when shield section of jurisdiction prefabricates in, treat that adjacent shield section of jurisdiction splices the back again install the displacement meter, the displacement monitoring devices who forms so is suitable for the monitoring of any water delivery tunnel section of jurisdiction surface joint deformation, is particularly suitable for long distance water delivery tunnel.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a shield segment containing a displacement monitoring device is provided, a groove is formed in the inner arc of the shield segment in a recessed mode towards the outer arc surface of the shield segment, one side, close to a joint, of the groove is provided with a groove, one end of the groove extends out of one side of the joint of the shield segment, the top of the groove is connected with an anchor rod in an inward mode, one end of the anchor rod is prefabricated with the shield segment, the other end of the anchor rod is connected with a threaded rod, one end of the threaded rod is connected with the anchor rod, the other end of the threaded rod points to the joint side of the shield segment, and after two adjacent shield segments are butted, a displacement meter is connected between the corresponding threaded rods of the two shield segments.
The displacement meter is connected to the lower end of the embedded anchor rod through the threaded rod, the displacement meter is installed and then forms a whole with the embedded anchor rod, when displacement occurs between two adjacent shield segments, the embedded anchor rod drives the displacement meter to move, the displacement change of the shield segment joint can be measured through the change of the displacement meter, and the displacement change quantity occurring between the two shield segments is obtained.
Preferably, a first mounting box is arranged in a groove of the shield segment, the first mounting box is of a shell structure lacking a side plate and a bottom plate, the first mounting box is prefabricated with the shield segment, after two adjacent shield segments are butted, the first mounting boxes are spliced to form a second mounting box without the bottom plate and also of the shell structure, and the displacement meter is positioned in the second mounting box.
The first mounting box is a mould for mounting the displacement monitoring device when the shield segment is prefabricated, and is poured together with the shield segment, and the later stage is not required to be dismantled.
Further, water-stopping rubber is arranged between the first installation box and the anchor rod and between the first installation box and the shield segment. The water stop rubber can prevent the shield segment from entering the inside of the mounting box when precast concrete is poured.
Preferably, the first mounting box is formed by splicing a plurality of ductile fiber concrete precast slabs. After the two shield segments are spliced, the middle two side plates can be removed, so that the first mounting boxes on the two shield segments are spliced to form a second mounting box, and the displacement meter is arranged between the first mounting boxes.
Preferably, the side plate of the first installation box is obliquely arranged and has the same radian as the shield segment.
Further, one side of the top plate of the mounting box, which is contacted with the shield segment, is a rough surface, so that the binding force between the mounting box and the concrete of the shield segment is enhanced.
The utility model has the following technical effects:
the main body structure of the displacement monitoring device is prefabricated together with the shield segments, the displacement meter is installed after the main body structure and the shield segments are spliced together, the installation box is not required to be removed after the installation is completed, the structure of the shield segments is not damaged, the installation is simple and convenient, and the installation and measurement cost is low.
Drawings
Fig. 1 is a schematic view of a structure in which two shield segments are spliced together.
Fig. 2 is a schematic structural view of a single shield segment containing a displacement monitoring device.
Fig. 3 is a schematic structural view of the mounting case.
In the figure: 1. the shield segment I, 2, the displacement meter, 3, the mounting box, 4, the water stop rubber, 5, the anchor rod, 6, the displacement meter cable, 7, the threaded rod, 8 and the shield segment II.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the method of the present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments. The specific embodiments described herein are to be considered in an illustrative sense only and are not intended to limit the utility model.
The displacement monitoring device is used for monitoring the joint deformation condition between two adjacent shield segments. In this embodiment, as shown in fig. 1, the displacement monitoring device is used for monitoring the displacement of the joint between the first shield segment 1 and the second shield segment 8, and the displacement monitoring device mainly comprises a displacement meter 2, a mounting box 3, water-stop rubber 4, an anchor rod 5, a displacement meter cable 6 and a threaded rod 7.
As shown in fig. 3, the installation box 3 includes four front, back, left and right side plates and a top plate, and between every side plate and the top plate and between the adjacent side plates all through bayonet connection, a through hole for the stock 5 to pass is seted up to the top plate, and the one end that shield segment 1 was kept away from to the stock and the one end welded connection of threaded rod 7, and the overall structure of L shape is welded into with the threaded rod to the stock in this embodiment, and the threaded rod is not processed with the one end that the stock is connected.
As shown in fig. 1 and 2, the method for embedding the displacement monitoring device in the shield segment comprises the following steps: after the reinforcing steel bars are installed in a segment prefabrication plant, an installation box 3 is placed in the segment prefabrication plant of the shield segment 1 at a position where a displacement monitoring device is required to be installed, an anchor rod 5 is placed in a through hole penetrating through the top plate of the installation box, and water stop rubber 4 is arranged between the anchor rod and the installation box and around the installation box to prevent concrete from entering the installation box during segment prefabrication; the installation boxes 3, the anchor rods 5 and the water stop rubber 4 are arranged in the shield segment II 8 in the same way, after the shield segment I1 and the shield segment II 8 are spliced at the appointed tunnel position, the right side plate of the installation box in the shield segment I and the left side plate of the installation box in the shield segment II are respectively dismantled, so that the two installation boxes in the two shield segments are communicated, a displacement meter is connected between the two threaded rods 7, when displacement occurs between the two shield segments, the anchor rods 5 can drive the displacement meter 2 to change, the structure and the working principle of the displacement meter are the prior art, and the optical fiber grating displacement meter is described in the patent with the application number 202210876325.0.
In other embodiments, only one left/right side plate of the installation box can be fixedly connected with the top plate and the adjacent side plate through bayonet connection.
The displacement meter cable 6 is led out from the mounting box 3 to be connected into monitoring instrument equipment, the position of the opening of the lead is sealed by sealant, and the deformation condition of the shield segment joint can be monitored through the measuring instrument of the displacement meter.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. The utility model provides a shield constructs section of jurisdiction that contains displacement monitoring devices which characterized in that: the inner arc of the shield segment is sunken to be formed with the recess towards the outer arc surface of the shield segment, one side that the recess is close to the seam is offered, and recess one end extends shield segment seam one side, the inside stock that is connected with in top of recess, the one end of stock is in the same place with shield segment prefabrication, the other end of stock is connected with the threaded rod, the one end and the stock of threaded rod are connected, the other end of threaded rod points to the seam side of shield segment, after two adjacent shield segments dock, be connected with a displacement meter jointly between two corresponding threaded rods of shield segment.
2. The shield segment comprising a displacement monitoring device of claim 1, wherein: the shield segment groove is internally provided with a first mounting box, the first mounting box is of a shell structure lacking a side plate and a bottom plate, the first mounting box is prefabricated with the shield segment, after two adjacent shield segments are butted, the first mounting boxes are spliced to form a second mounting box without the bottom plate and also of the shell structure, and the displacement meter is positioned in the second mounting box.
3. The shield segment comprising a displacement monitoring device of claim 2, wherein: and water stop rubber is arranged between the first installation box and the anchor rod and between the first installation box and the shield segment.
4. The shield segment comprising a displacement monitoring device of claim 2, wherein: the first mounting box is formed by splicing a plurality of ductile fiber concrete precast slabs.
5. The shield segment comprising a displacement monitoring device of claim 4, wherein: the side plate of the first mounting box is obliquely arranged and has the same radian as the shield segment.
6. The shield segment comprising a displacement monitoring device of claim 4, wherein: one side of the mounting box, which is contacted with the shield segment, is a rough surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321312011.4U CN220365583U (en) | 2023-05-29 | 2023-05-29 | Shield segment containing displacement monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321312011.4U CN220365583U (en) | 2023-05-29 | 2023-05-29 | Shield segment containing displacement monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220365583U true CN220365583U (en) | 2024-01-19 |
Family
ID=89516208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321312011.4U Active CN220365583U (en) | 2023-05-29 | 2023-05-29 | Shield segment containing displacement monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220365583U (en) |
-
2023
- 2023-05-29 CN CN202321312011.4U patent/CN220365583U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106988346B (en) | Immersed tube tunnel final joint, prefabricating method and mounting method | |
| CN111636898B (en) | Shield segment stress testing device in connection channel construction process of shield tunnel | |
| CN113756314B (en) | Construction method suitable for excavation of deep large subway foundation pit of soft soil foundation in long triangular area | |
| CN111441604A (en) | Old house wall body reinforcing device and construction process thereof | |
| CN107132572B (en) | Test platform for rock mass fracture micro-seismic test | |
| CN107604927A (en) | A kind of composite piled anchor suspension device | |
| CN220365583U (en) | Shield segment containing displacement monitoring device | |
| CN103422443B (en) | The multidirectional coupling precasting process of frame culvert segment long line method and frame culvert segment template system | |
| US4453862A (en) | Method for ensuring mechanical continuity between two adjacent panels of a reinforced concrete wall cast in the ground | |
| CN210421155U (en) | Precast concrete base of corrugated steel plate comprehensive pipe gallery | |
| CN212336244U (en) | Ductile cast iron pipe water-carrying connection device | |
| CN114753386A (en) | Triangular arrangement assembly type lattice beam slope protection structure and construction method thereof | |
| CN210975900U (en) | Basement side wall extra front and back pouring belt periphery protection structure | |
| CN211948373U (en) | Prefabricated underground continuous wall joint structure | |
| CN106906923A (en) | The attachment means of fabricated shear wall horizontal joint and connection method | |
| CN114152242A (en) | Dam horizontal displacement monitoring vertical line protection pipe pre-embedding construction method | |
| CN113338331A (en) | Bolt accurate connection system for anchor bolt type fabricated retaining wall and construction method thereof | |
| CN112065456A (en) | Stage-movable subway interval tunnel shield segment reinforcing structure | |
| CN220394677U (en) | Inclinometer pipe connection structure of underground continuous wall | |
| CN212670656U (en) | Subside post-cast strip dowel steel structure | |
| CN213926319U (en) | Assembled cylindrical steel cofferdam | |
| CN215829464U (en) | Tower crane mounting structure | |
| CN218346252U (en) | Prefabricated electric power calandria module mounting structure | |
| CN216446034U (en) | Prefabricated calandria basis of modularization electric power | |
| CN219080391U (en) | Prefabricated split type concrete sleeve box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |