CN205909958U - A soil pressure cell buries device underground for filling engineering - Google Patents
A soil pressure cell buries device underground for filling engineering Download PDFInfo
- Publication number
- CN205909958U CN205909958U CN201620844842.XU CN201620844842U CN205909958U CN 205909958 U CN205909958 U CN 205909958U CN 201620844842 U CN201620844842 U CN 201620844842U CN 205909958 U CN205909958 U CN 205909958U
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- Prior art keywords
- pressure cell
- soil pressure
- connecting rod
- disk
- box
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Abstract
The utility model discloses a soil pressure cell buries device underground for filling engineering, it includes the connecting rod, puts a box dish, sleeve pipe and sealed lid. The connecting rod is the cavity threaded rod, and connecting rod that can be through the different length of combination casing is to designing length, put box dish accessible set nut regulation soil pressure cell's measuring position, sealed lid is used for the top and the bottom of sealing connection pole. At first will put the tray salver through set nut during the use fixes on first section connecting rod to adjust to the design measuring position, then it distinguishes at the box of putting of putting the box dish to adopt the welded mode to fix soil pressure cell, along with the increase of the depth of fill, save the connecting rod through the sleeve pipe with the second and be connected fixedly with first section connecting rod to installation soil pressure cell, analogize with this, reach the design at last and fill high back. The utility model has the advantages that the whole structure is simple it is single, convenient operation, the result of use is good, has guaranteed the inbuilt required precision of soil pressure cell effectively.
Description
Technical field
This utility model is related to a kind of soil pressure cell inbuilt device for embankment engineering, belongs to site operation monitoring technology
Field.
Background technology
The continuous propulsion built with infrastructure projects such as China railways, highway, earth and rockfill dams, answering in embankment engineering
The long term monitoring of power, deformation etc. becomes the key data source of design optimization, Construction control and maintenance.Wherein, stress
Monitoring often rely on the soil pressure cell being embedded in the soil body.In prior art, burying of embankment engineering soil pressure cell is general
Using the method in directly soil pressure cell embedment being banketed, and there is soil pressure cell and settle with banketing and settle in the method, so that
Change in the force way of soil pressure cell and its position, error is big, the problems such as lost efficacy to lead to Monitoring Data to occur.Cause
This, in the urgent need to a kind of measurement data accurately, it is embedded that easily soil pressure cell inbuilt device and method to solve the above problems.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of structure is simple for embankment engineering, be easily attached and bury
And fixing end can be provided for soil pressure cell bottom surface, thus ensureing the soil pressure cell device of its positional precision.
For solving above-mentioned technical problem, this device is adopted the technical scheme that: a kind of soil pressure for embankment engineering
Box embedded device, its key technology is: it includes at least two connecting rods, is used for support soil pressure cell and adjusts its position
Put box disk, the sleeve pipe for connection two adjacent connecting rods and the closure for being tightly connected bar；Put box disk located at connecting rod
On；
Described connecting rod is a cannulated threaded bar, is provided with separated time hole, top is provided with total string holes in the middle part of described cannulated threaded bar；
Described put box disk be a rectangular disk, described rectangular disk be provided with location hole and for support soil pressure cell put box
Area, described rectangular disk upper and lower is respectively provided with positioning and the location nut of positioning soil pressure cell position；
Described closure includes top cover positioned at connecting rod top, the bottom of bottom.
Preferably, described cannulated threaded bar, rectangular disk, location nut and sleeve pipe are stainless steel.
Preferably, described connecting rod be internal diameter 45mm, wall thickness 5mm, the standard fitting of pitch 4.5mm, have 0.3m, 0.5m and
Tri- kinds of full-lengths of 1.0m.
Preferably, described separated time hole long 10cm ~ 20cm, a width of 1cm.
Preferably, the wire of described soil pressure cell threads to the top of this device respectively by separated time hole and total string holes.
Preferably, described sleeve pipe is female thread stainless steel tube, and it is highly 10cm.
Preferably, the described location hole put on box disk and location nut are mated with cannulated threaded bar；Described put on box disk
Zhi He area is used for placing the box body of soil pressure cell.
Preferably, the box body of described soil pressure cell is fixed on by the way of welding and puts He Pan Shang Zhihe area.
Preferably, described closure is the rubber tube of the single-ended closing of thin-walled hollow, the internal diameter of its external diameter and cannulated threaded bar
Identical.
Above-mentioned soil pressure cell method for embedding is:
1) when embankment engineering is carried out, take one section of connecting rod first, with closure, hollow threaded rod bottom is sealed, will
Be soldered to the soil pressure cell in Zhi Hepanzhi box area entirely through rectangular disk on location hole be connected with connecting rod, then with fixed
Position nut is adjusted to fathoming and fix, and the wire on soil pressure cell is passed through in connecting rod partial line hole in connecting rod
Portion draws, and is buried in the earth；
2) after the completion of this layer of embankment, with telescopic joint next save connecting rod, and the next one is installed has been soldered to and puts box disk
Soil pressure cell, with the rising of the depth of fill, increases connecting rod fixing and embedded soil pressure cell, reaches design filled height
Afterwards, the total string holes all of soil pressure cell wire being passed through top connecting rod top is drawn, and installs closure to connection masthead
Portion is sealed；
Soil pressure cell of the present utility model is buried process and is gradually completing with depth of fill increase it is ensured that embedding precision needs to protect
Card is put box disk location nut and is tightly fastened.
Have the beneficial effects that using produced by technique scheme:
1st, this utility model is provided with connecting rod, sleeve pipe, puts box disk and closure, and wherein, connecting rod is cannulated threaded
Bar, has 3 kinds of length available, can pass through the connecting rod of sleeve combination different length to design length；Put box disk to be used for holding
Support soil pressure cell, can adjust the measurement position of soil pressure cell by location nut；Closure be used for be tightly connected bar top and
Bottom, to prevent the destruction of work progress.Its overall structure is simple, easy to operate, and using effect is good, is effectively guaranteed soil
The required precision that pressure cell is buried.
2nd, this device provides fixing end for soil pressure cell bottom surface, thus preventing due to banketing what the factors such as sedimentation led to
The appearance of the problems such as soil pressure cell position moves down, tilts, it is ensured that the accurate measurement of cladding earth pressure, decreases error.
3rd, this device connecting rod adopts tri- kinds of length standards of 0.3m, 0.5m and 1.0m it is easy to produce in batches, and is suitable for existing
The change of the field depth of fill, has effectively saved test period.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic diagram of connecting rod；
Fig. 3 is the schematic diagram putting box disk；
Fig. 4 is the stressing conditions schematic diagram using soil pressure cell before this device；
Fig. 5 is the stressing conditions schematic diagram using soil pressure cell after this device；
Fig. 6 is that the soil pressure cell of three kinds of positions tests soil pressure force value examination under the conditions of classification preloading for the silt at sustained height
Test schematic diagram；
Fig. 7 is the test result schematic diagram of Fig. 6；
Wherein, 1, connecting rod, 1-1, cannulated threaded bar, 1-2, separated time hole, the total string holes of 1-3；2nd, box disk, 2-1, rectangle are put
Disk, 2-2, location hole, 2-3, Zhi He area, 2-4, location nut；3rd, sleeve pipe；4-1, top cover, 4-2, bottom；5th, soil pressure cell, 5-1
Box body, 5-2, wire.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Referring to accompanying drawing 1- accompanying drawing 3, the present embodiment includes at least two connecting rods 1, is used for support soil pressure cell 5 and adjusts it
Position put box disk 2, for connecting the sleeve pipe 3 of two adjacent connecting rods 1 and for being tightly connected the closure of bar 1；Put box disk 2
In connecting rod 1；Described sleeve pipe 3 is female thread stainless steel tube, connects the connecting rod 1 of different length for combination, its height
For 10cm.
Described connecting rod 1 is a cannulated threaded bar 1-1, is provided with separated time hole 1-2, hollow in the middle part of described cannulated threaded bar 1-1
The top of threaded rod 1-1 shaft is provided with total string holes 1-3.
Described box disk 2 of putting is rectangular disk 2-1, and described rectangular disk 2-1 is provided with location hole 2-2 and is used for support soil pressure
The Zhi He area 2-3 of power box 5, described rectangular disk 2-1 upper and lower is respectively provided with determining of soil pressure cell 5 position that positions and transpose
Position nut 2-4；
Described closure includes top cover 4-1, the bottom 4-2 of bottom positioned at connecting rod 1 top.Described closure is thin-walled
The rubber tube of hollow single-ended closing, its external diameter is identical with the internal diameter of connecting rod 1.
The described location hole 2-2 putting on box disk 2 and location nut 2-4 are mated with cannulated threaded bar 1-1, put box for fixation
Disk 2 adjustment position.The described box disk 2 Shang Zhihe area 2-3 that puts is for placing the box body 5-1 of soil pressure cell 5.Described soil pressure cell
5 box body 5-1 is fixed on by the way of welding and puts box disk 2 Shang Zhihe area 2-3.
Referring to accompanying drawing 4 and accompanying drawing 5, the operation principle of traditional soil pressure sensor be with Newton's third law for theory according to
According to that is, what soil pressure sensor reacted is the counteracting force of soil pressure.The method for embedding of soil pressure sensor is directly will at present
Soil pressure sensor is positioned in soil layer, produces soil pressure n when top soil pressure changes, upper soil horizon soil pressure acts on
On soil pressure sensor, soil pressure sensor simultaneously by Stress Transfer to its underpart soil layer, lead to bottom solum settlement, its effect
Power is f, then the counteracting force n` that soil pressure cell is reflected is n`=n-f, and that is, the soil pressure of soil pressure sensor reaction is less than
Actual soil pressure, principle is as shown in Figure 4.Therefore, we fix soil pressure sensor one end so that soil pressure sensor is complete
Reflect the change of top soil pressure n, i.e. n=n`, principle is as shown in Figure 5.
Embodiment 1
Newly-built roadbed soil pressure cell inbuilt device soil pressure cell method for embedding process is:
When embankment engineering is carried out, take one section of connecting rod 1 first, with closure 4-2, hollow threaded rod 1-1 bottom is carried out close
Envelope, the connecting rod closed 1 is buried in the earth after certain depth, has been soldered to the soil pressure cell 5 putting box disk 2 Zhi He area 2-3
It is connected with connecting rod 1 entirely through the location hole 2-2 in rectangular disk 2-1, then adjusted with location nut 2-4 solid to fathoming
Reserve, the wire on soil pressure cell 5 is passed through partial line hole 1-2 in connecting rod 1, and, from the internal extraction of connecting rod 1, this layer of embankment is complete
Cheng Hou, connects next with sleeve pipe 3 and saves connecting rod 1, and installs the next one and be soldered to the soil pressure cell 5 putting box disk 2, with banketing
The rising of height, increases connecting rod 1 fixing and embedded soil pressure cell 5, after reaching design filled height, by all of soil pressure
Total string holes 1-3 that box wire 5-2 passes through top connecting rod top is drawn, and install top cover 4-1 connecting rod 1 top is carried out close
Envelope.
In order to verify the feasibility of whole test device, carry out laboratory test simulation, as shown in fig. 6, test adopts three
The soil pressure cell planting position tests soil pressure force value under the conditions of classification preloading for the silt at sustained height.Wherein, soil pressure cell a is straight
Connect and be embedded in soil, soil pressure cell b adopts this device to bury, and soil pressure cell c is placed in supporting platform seat (for verifying this device
Feasibility), result of the test is shown in Fig. 7, as shown in Figure 7, higher by the accuracy of this measurement device.
Claims (9)
1. a kind of soil pressure cell inbuilt device for embankment engineering it is characterised in that: it include at least two connecting rods (1),
For support soil pressure cell (5) and adjust its position put box disk (2), for connect two adjacent connecting rods (1) sleeve pipe (3) with
And be used for being tightly connected the closure of bar (1)；Put box disk (2) in connecting rod (1)；
Described connecting rod (1) is a cannulated threaded bar (1-1), is provided with separated time hole (1-2) in the middle part of described cannulated threaded bar (1-1),
Top is provided with total string holes (1-3)；
Described box disk (2) of putting is a rectangular disk (2-1), and described rectangular disk (2-1) is provided with location hole (2-2) and is used for support
The Zhi He area (2-3) of soil pressure cell (5), described rectangular disk (2-1) upper and lower is respectively provided with positioning and positioning soil pressure cell
(5) location nut (2-4) of position；
Described closure includes top cover (4-1) positioned at connecting rod (1) top, the bottom (4-2) of bottom.
2. a kind of soil pressure cell inbuilt device for embankment engineering according to claim 1 it is characterised in that: in described
Empty threaded rod (1-1), rectangular disk (2-1), location nut (2-4) and sleeve pipe (3) are stainless steel.
3. a kind of soil pressure cell inbuilt device for embankment engineering according to claim 1 it is characterised in that: described company
Extension bar (1) is internal diameter 45mm, wall thickness 5mm, the standard fitting of pitch 4.5mm, has tri- kinds of full-lengths of 0.3m, 0.5m and 1.0m.
4. a kind of soil pressure cell inbuilt device for embankment engineering according to claim 1 it is characterised in that: described point
Long 10cm ~ the 20cm of string holes (1-2), a width of 1cm.
5. a kind of soil pressure cell inbuilt device for embankment engineering according to claim 3 it is characterised in that: described soil
The wire (5-2) of pressure cell (5) passes through separated time hole (1-2) respectively and total string holes (1-3) threads to the top of this device.
6. a kind of soil pressure cell inbuilt device for embankment engineering according to claim 1 it is characterised in that: described set
Pipe (3) is female thread stainless steel tube, and it is highly 10cm.
7. a kind of soil pressure cell inbuilt device for embankment engineering according to claim 1 it is characterised in that: described put
Location hole (2-2) on box disk (2) and location nut (2-4) are mated with cannulated threaded bar (1-1)；Described put on box disk (2)
Zhi He area (2-3) is used for placing the box body (5-1) of soil pressure cell (5).
8. a kind of soil pressure cell inbuilt device for embankment engineering according to claim 7 it is characterised in that: described soil
The box body (5-1) of pressure cell (5) is fixed on by the way of welding and puts box disk (2) Shang Zhihe area (2-3).
9. a kind of soil pressure cell inbuilt device for embankment engineering according to claim 1 it is characterised in that: described close
Capping (4) is the rubber tube of the single-ended closing of thin-walled hollow, and its external diameter is identical with the internal diameter of cannulated threaded bar (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620844842.XU CN205909958U (en) | 2016-08-08 | 2016-08-08 | A soil pressure cell buries device underground for filling engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620844842.XU CN205909958U (en) | 2016-08-08 | 2016-08-08 | A soil pressure cell buries device underground for filling engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205909958U true CN205909958U (en) | 2017-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620844842.XU Expired - Fee Related CN205909958U (en) | 2016-08-08 | 2016-08-08 | A soil pressure cell buries device underground for filling engineering |
Country Status (1)
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|---|---|
| CN (1) | CN205909958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052916A (en) * | 2016-08-08 | 2016-10-26 | 石家庄铁道大学 | Earth pressure box burying device and method for fill engineering |
| CN107386249A (en) * | 2017-07-13 | 2017-11-24 | 武汉大学 | A kind of soil pressure cell inbuilt device and the soil pressure cell method for embedding using the device |
-
2016
- 2016-08-08 CN CN201620844842.XU patent/CN205909958U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052916A (en) * | 2016-08-08 | 2016-10-26 | 石家庄铁道大学 | Earth pressure box burying device and method for fill engineering |
| CN106052916B (en) * | 2016-08-08 | 2022-06-24 | 石家庄铁道大学 | Soil pressure box burying device and method for filling engineering |
| CN107386249A (en) * | 2017-07-13 | 2017-11-24 | 武汉大学 | A kind of soil pressure cell inbuilt device and the soil pressure cell method for embedding using the device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20200808 |