CN205404013U - Soil pressure cell buries device underground - Google Patents
Soil pressure cell buries device underground Download PDFInfo
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- CN205404013U CN205404013U CN201620177380.0U CN201620177380U CN205404013U CN 205404013 U CN205404013 U CN 205404013U CN 201620177380 U CN201620177380 U CN 201620177380U CN 205404013 U CN205404013 U CN 205404013U
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- plastic strip
- soil pressure
- pressure cell
- fixture
- grooved plastic
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- 239000002689 soil Substances 0.000 title claims abstract description 82
- 239000004033 plastic Substances 0.000 claims abstract description 81
- 229920003023 plastic Polymers 0.000 claims abstract description 81
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 230000035515 penetration Effects 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 abstract description 4
- KQTVWCSONPJJPE-UHFFFAOYSA-N etridiazole Chemical compound CCOC1=NC(C(Cl)(Cl)Cl)=NS1 KQTVWCSONPJJPE-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 19
- 229910000831 Steel Inorganic materials 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000001310 location test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses a soil pressure cell buries device underground, soil pressure cell buries device underground constitutes the frame by first cell type plastic strip and second cell type plastic strip, and first cell type plastic strip and second cell type plastic strip side by side and in parallel place, and the notch is relative. Soil pressure cell anchor clamps card is between two notches to through the well lower part of 2 fix with screws of each side between first cell type plastic strip and second cell type plastic strip, the upper portion between first cell type plastic strip and second cell type plastic strip and is fixed through 2 screws with both ends to plastic bonding strip card between two notches. Simple structure, it is convenient to assemble, and convenient to use can satisfy the directional positioning test of soil pressure in all kinds of, in the pan soil layer, and the test data accuracy is high. Be applicable to the native pressure test of medium hard soil layer, it is significant with the improvement to the improvement of geotechnical engineering measuring technology.
Description
Technical field
This utility model relates to Geotechnical Engineering field tests, is more particularly to a kind of soil pressure cell inbuilt device, and it is fixed suitable in the assembling of soil pressure cell in middle hard stratum, position and bury underground and data monitoring.
Background technology
Soil pressure cell is applicable to measure roadbed for a long time, side slope, dam, tunnel, the compressive stress of the internal soil bodys of works such as earth embankment.In geotechnical engineering construction is put into practice with monitoring, it is typically employed in meet in soil face and the soil body and buries soil pressure sensor underground, carry out the Monitoring on Earth Pressure of body structure surface and inside soil body, and obtain required data by corresponding data acquisition equipment.
The method for embedding of conventional soil pressure sensor has: dossal method, extrusion method, ejection method and boring method.This equal comparative maturity of several burying technologies, is widely used in engineering.What building enclosure met soil face soil pressure cell buries conventional dossal method underground, it is by the position layouted by soil pressure sensor, first it is contained on the nylon cloth of one fixed width, then being spread by the nylon cloth with sensor hangs on the relevant position, surface of steel reinforcement cage, hang in together in groove in company with steel reinforcement cage, position cast concrete in backward groove, with the rising of concrete surface, by means of concrete lateral thrust, paving is hung over the nylon cloth of surface of reinforcing cage and presses to the wall of groove together with soil pressure sensor.Soil pressure cell can be ejected by extrusion method by air rammer, is close to the soil body thus testing.Boring method is usually used in the soil body soil pressure sensor and buries underground, namely in the soil body, first carry out holing with slurry wall protection, and soil pressure sensor is fixed on thin-wall channel or the steel reinforcement cage of customization, then by soil pressure sensor with prescribed depth position in thin-wall channel or steel reinforcement cage embedment boring together, backfill fine sand more in the borehole, after fine sand consolidates, carry out the test of soil pressure.
These conventional method for embedding disadvantageously, Part Methods such as extrusion method, its device is complicated, buries equipment in process underground fragile with components and parts, and embedded device is relatively costly；Dossal method is difficult to control to burial place and the direction of soil pressure cell, causes measurement error；The rigidity of boring method thin-wall channel or the relative soil body of steel reinforcement cage is relatively big, exists and the inharmonic problem of soil lateral, thus the precision of earth pressure test result is had a certain impact after the embedment soil body；The price of thin-wall channel or steel reinforcement cage is higher, and therefore the economy of method for embedding is not strong；Soil pressure sensor need to weld at the construction field (site), and not easily, installation effectiveness is low in operation.
Therefore, for solving disadvantages described above problem, need badly and existing test apparatus and method are transformed, it is proposed to a kind of soil pressure cell boring method for embedding and device, it is ensured that test exploitativeness is strong, and achievement is accurately and reliably.
Summary of the invention
The purpose of this utility model is to there are provided a kind of soil pressure cell inbuilt device, simple in construction, and it is convenient to assemble, easy to use, can meet the direction and location test of soil pressure in each apoplexy due to endogenous wind, hard stratum, and test data accuracy is high.
In order to realize above-mentioned purpose, this utility model adopts techniques below measure:
A kind of soil pressure cell inbuilt device, its composition includes: the first grooved plastic strip, the second grooved plastic strip, plastics connection strap, soil pressure cell fixture, soil pressure cell.It is characterized in that: soil pressure cell inbuilt device is placed by the first grooved plastic strip and the second grooved plastic strip side by side parallel, and notch is relative.Soil pressure cell fixture is stuck between two notches, and it is fixed on the middle and lower part between the first grooved plastic strip and the second grooved plastic strip by each side two screws, plastics connection strap is stuck between two notches, and by two screws, two ends is fixed on the top between the first grooved plastic strip and the second grooved plastic strip.
The first described grooved plastic strip length is determined according to the soil pressure cell size (diameter 5 ~ 15cm) needed for test, first grooved plastic strip side is notch-like, on top, about 1/4 length place opens a screw to first grooved plastic strip opposite side, open two screws in middle and lower part, screw all runs through the first grooved plastic strip.Described the second grooved plastic strip length, pattern, to open screwhole position all consistent with the first grooved plastic strip, opens a string holes in the middle of the second two, grooved plastic strip middle and lower part screw.
Described plastics connection strap length is determined according to the soil pressure cell size (diameter 5 ~ 15cm) needed for test, and its length is identical with soil pressure cell clamp jaw width, and the both ends of the surface at plastics connection strap all respectively open a screw.
Described soil pressure cell fixture is accompanied fixture bloom to constitute by A companion's fixture bloom with B, and when combining, described A accompanies fixture bloom and B to accompany fixture bloom to be fixed together by the penetration type screw at two respective two ends of bolts traverse, forms soil pressure cell fixture.Soil pressure cell fixture gabarit is square, and centre is circular port, and circular port diameter is identical with the soil pressure cell diameter needed for test.The described A companion upper and lower two ends of fixture bloom keep to the side and locate the screw of each reserved penetration type, between the screw of penetration type, symmetry has two screws, and these two screw spacing are identical with the spacing of the first grooved plastic strip and the second two screws in grooved plastic strip middle and lower part.Described B accompanies fixture bloom to accompany fixture bloom identical with A, in addition, having a penetration type string holes in the middle of the screw that B accompanies two non-through formulas of fixture bloom, B accompanies string holes on fixture bloom identical relative to the position of two screws with the first grooved plastic strip and the second grooved plastic strip middle and lower part string holes relative to the position of the screw of two non-through formulas.
This utility model compared with prior art, has the following advantages and effect:
1) compared with tradition dossal method, it is more convenient, more accurate that this method and soil pressure cell sensor in device position in the borehole, and soil pressure cell contacts better with soil layer；
2) compared with application number 200810041666.6 patent, this method is little compared with pvc pipe rigidity with plastic strip in device, and adopts cotton rope to transfer, and device contacts with the soil body better, and deformation is more coordinated, and test data are more accurate；
3) adopting low-intensity micro-expansibility injecting paste material to replace Cast-in-situ Piles in Sand-filling to carry out boring backfill, be more conducive to the recovery of stress field primitively, it is ensured that the reliability of test result, design experiment gained hypothesis testing result is as shown in Figure 4.
These apparatus and method overcome the defect of conventional apparatus and method, and standardized way can be adopted to produce and assemble, simply efficiently, operate easy, there are considerable engineering practice Expected Results and significant economic advantages, the raising of Geotechnical Engineering measuring technology is significant with improvement.
Accompanying drawing explanation
Fig. 1 is a kind of soil pressure cell inbuilt device structural representation；
Fig. 2 is a kind of soil pressure cell clamp structure schematic diagram；
Fig. 3 is that a kind of A accompanies fixture bloom, B to accompany fixture bloom structural representation；
Fig. 4 is a kind of EXPERIMENTAL DESIGN earth pressure test data；
In figure: 1 first grooved plastic strip, 2 second grooved plastic strips, 3 plastics connection straps, 4 soil pressure cell fixtures, 41 A accompany fixture bloom, and 42 B accompany fixture bloom, 5 soil pressure cells (meet the strain-type earth pressure at rest sensor of more than range 200kPa), 6 screws, 7 bolts.
Detailed description of the invention
Embodiment 1:
According to Fig. 1,2,3 it can be seen that a kind of soil pressure cell inbuilt device, including: first grooved plastic strip the 1, second grooved plastic strip 2, plastics connection strap 3, soil pressure cell fixture 4, soil pressure cell 5.It is characterized in that: soil pressure cell inbuilt device is placed by the first grooved plastic strip 1 and the second grooved plastic strip 2 side by side parallel, and notch is relative.Soil pressure cell fixture 4 is stuck between two notches, and it is fixed on the middle and lower part between the first grooved plastic strip 1 and the second grooved plastic strip 2 by each side two screws 6, plastics connection strap 3 is stuck between two notches, and by two screws 6, two ends is fixed on the top between the first grooved plastic strip 1 and the second grooved plastic strip 2.
The first described grooved plastic strip 1 length according to required soil pressure cell 5 size of test (diameter 5 or 8 10 or 13 or 15cm) and determine, first grooved plastic strip 1 side is notch-like, on top, about 1/4 length place opens a screw to first grooved plastic strip 1 opposite side, open two screws in middle and lower part, screw all runs through the first grooved plastic strip 1.Described the second grooved plastic strip 2 length, pattern, to open screwhole position all consistent with the first grooved plastic strip 1, opens a string holes in the middle of the second two, grooved plastic strip 2 middle and lower part screw.
Described plastics connection strap 3 length is determined according to soil pressure cell 5 size (diameter 5 ~ 15cm) needed for test, and its length is identical with soil pressure cell fixture 4 width, and two end faces at plastics connection strap 3 all respectively open a screw.
Described soil pressure cell fixture 4 is accompanied fixture bloom 41 and B to accompany fixture bloom 42 to constitute by A, when combining, described A accompanies fixture bloom 41 and B to accompany fixture bloom 42 to be fixed together by the penetration type screw at two respective two ends of bolts 7 traverse, forms soil pressure cell fixture 4.Soil pressure cell fixture 4 gabarit is square, and centre is circular port, and circular port diameter is identical with soil pressure cell 5 diameter needed for test.Described A companion fixture bloom about 41 two ends keep to the side and locate the screw of each reserved penetration type, between the screw of penetration type, symmetry has two screws, and these two screw spacing are identical with the spacing of the first grooved plastic strip 1 and the second two screws in grooved plastic strip 2 middle and lower part.Described B accompanies fixture bloom 42 to accompany fixture bloom 41 identical with A, in addition, having a penetration type string holes in the middle of the screw that B accompanies 42 2 non-through formulas of fixture bloom, B accompanies string holes on fixture bloom 42 identical relative to the position of two screws with the first grooved plastic strip 1 and the second grooved plastic strip 2 middle and lower part string holes relative to the position of the screw of two non-through formulas.
Claims (4)
- null1. a soil pressure cell inbuilt device，It includes: the first grooved plastic strip (1)，Second grooved plastic strip (2)，Plastics connection strap (3)，Soil pressure cell fixture (4)，Soil pressure cell (5)，It is characterized in that: soil pressure cell inbuilt device is constituted framework by the first grooved plastic strip (1) and the second grooved plastic strip (2)，First grooved plastic strip (1) and the second grooved plastic strip (2) side by side parallel are placed，Notch is relative，Soil pressure cell fixture (4) is stuck between two notches，And it is fixed on the middle and lower part between the first grooved plastic strip (1) and the second grooved plastic strip (2) by each side 2 screws (6)，Plastics connection strap (3) is stuck between two notches，And by 2 screws (6), two ends are fixed on the top between the first grooved plastic strip (1) and the second grooved plastic strip (2).
- 2. a kind of soil pressure cell inbuilt device according to claim 1, it is characterized in that: the first described grooved plastic strip (1) length is according to soil pressure cell (5) size needed for test, its side is notch-like, on top, about 1/4 length place opens a screw to opposite side, 2 screws are opened in middle and lower part, screw all runs through the first grooved plastic strip (1), described the second grooved plastic strip (2) length, pattern, to open screwhole position all consistent with the first grooved plastic strip (1), opens a string holes wherein in the middle of the screw of 2, bottom.
- 3. a kind of soil pressure cell inbuilt device according to claim 1, it is characterized in that: described plastics connection strap (3) length is according to soil pressure cell (5) size needed for test, its length is identical with soil pressure cell fixture (4) width, and two end faces at plastics connection strap (3) all respectively open 1 screw.
- null4. a kind of soil pressure cell inbuilt device according to claim 1，It is characterized in that: described soil pressure cell fixture (4) is accompanied fixture bloom (41) and B to accompany fixture bloom (42) to constitute by A，When combining，Gabarit is square，Centre is circular port，Circular port diameter is identical with soil pressure cell (5) diameter needed for test，Described A companion's fixture bloom (41) two ends up and down keep to the side and locate the screw of each reserved penetration type，Between the screw of penetration type, symmetry has 2 screws，These 2 screw spacing are identical with the spacing of the first grooved plastic strip (1) and the second two screws in grooved plastic strip (2) middle and lower part，Described B accompanies fixture bloom (42) and A to accompany fixture bloom (41) identical，A penetration type string holes is had in the middle of the screw that B accompanies (42) two non-through formulas of fixture bloom，B accompanies the upper string holes of fixture bloom (42) identical relative to the position of two screws with the first grooved plastic strip (1) and the second grooved plastic strip (2) middle and lower part string holes relative to the position of the screw of two non-through formulas，Described A accompanies fixture bloom (41) and B to accompany fixture bloom (42) to be fixed together by the penetration type screw at two respective two ends of bolts (7) traverse，Form soil pressure cell fixture (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620177380.0U CN205404013U (en) | 2016-03-09 | 2016-03-09 | Soil pressure cell buries device underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620177380.0U CN205404013U (en) | 2016-03-09 | 2016-03-09 | Soil pressure cell buries device underground |
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| Publication Number | Publication Date |
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| CN205404013U true CN205404013U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620177380.0U Active CN205404013U (en) | 2016-03-09 | 2016-03-09 | Soil pressure cell buries device underground |
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| CN (1) | CN205404013U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192967A (en) * | 2016-08-31 | 2016-12-07 | 中铁建大桥工程局集团第五工程有限公司 | A kind of for installing fixing soil pressure cell device and method in jacking pipe joints |
| CN107816039A (en) * | 2017-10-31 | 2018-03-20 | 西南石油大学 | Soil pressure cell fixing device and application method after a kind of bored concrete pile |
-
2016
- 2016-03-09 CN CN201620177380.0U patent/CN205404013U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192967A (en) * | 2016-08-31 | 2016-12-07 | 中铁建大桥工程局集团第五工程有限公司 | A kind of for installing fixing soil pressure cell device and method in jacking pipe joints |
| CN107816039A (en) * | 2017-10-31 | 2018-03-20 | 西南石油大学 | Soil pressure cell fixing device and application method after a kind of bored concrete pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee after: POWERCHINA HUBEI ELECTRIC ENGINEERING Corp.,Ltd. Address before: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee before: HUBEI ELECTRIC POWER SURVEY & DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee after: Hubei Electric Power Planning, Design and Research Institute Co.,Ltd. Address before: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee before: POWERCHINA HUBEI ELECTRIC ENGINEERING Corp.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |