CN109137870A - A kind of soil-slope earth pressure gauge embedding device and method - Google Patents
A kind of soil-slope earth pressure gauge embedding device and method Download PDFInfo
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- CN109137870A CN109137870A CN201811230661.8A CN201811230661A CN109137870A CN 109137870 A CN109137870 A CN 109137870A CN 201811230661 A CN201811230661 A CN 201811230661A CN 109137870 A CN109137870 A CN 109137870A
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- soil
- pressure gauge
- rectangular tube
- slope
- earth pressure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to a kind of soil-slope earth pressure gauge embedding device and methods, for measuring the soil pressure of soil-slope, the slope surface of soil-slope is provided with drilling, including vertical rectangular tube, the hole bottom of drilling pours the concrete pedestal for surrounding rectangular tube lower end, minimum of one cloth bag is installed on the outside of rectangular tube, cloth bag is internally provided with earth pressure gauge；Filled with the layer of sand that cloth bag is completely covered between the lateral wall of rectangular tube and the hole wall of drilling, the inside filling of rectangular tube has poured pea gravel concreten column.Unbraced structure, the problems such as measuring accuracy is low when the soil-slope earth pressure gauge embedding device and method solve earth pressure gauge soil pressure measure inside side slope, have many advantages, such as it is embedded facilitate, measuring accuracy it is high.
Description
Technical field
The present invention relates to a kind of soil-slope earth pressure gauge embedding device and methods, belong to soil-slope pressure measurement technology
Field.
Background technique
Earth pressure gauge is made of backboard, tablet, signal-transmitting cable, vibratory string and exciting electromagnetic coil etc., is to understand quilt
Geodesic structure object inside soil pressure variable quantity simultaneously can the embedded effective monitoring device for putting temperature of synchro measure.Earth pressure gauge is suitable for
The compression of the soil body inside the works such as long-term measurement earth and rockfill dam, earth embankment, side slope, roadbed.When soil stress is sent out in measured structure object
When changing, earth pressure gauge tablet synchronizes the variation for experiencing stress, and tablet will be deformed, and displacement transfer turns to vibratory string
Become the variation of vibratory string stress, to change the vibration frequency of vibratory string.Electromagnetic coil exciting vibratory string simultaneously measures its vibration frequency, frequency
Rate signal can measure the value of compressive stress of measured structure object through cable transmission to reading plotter.It can synchronize simultaneously and measure embedded point
Temperature value.
It is the main path for grasping geostatic shield inside side slope that earth pressure gauge is buried inside soil-slope；Pass through acquisition
Soil pressure inside side slope, can differentiate the stable state of side slope.After generalling use excavation for the soil pressure inside soil-slope
The method for being layered embedded earth pressure gauge again, this method exist following insufficient: (1) earth pressure gauge is without rigidity support construction, soil pressure
Meter moves, test data serious distortion with the movement of slope soil；(2) soil pressure depth of burying inaccuracy；(3) working efficiency
It is low, it is costly.
Summary of the invention
The present invention is in view of the deficienciess of the prior art, provide a kind of soil-slope earth pressure gauge embedding device and side
Method, specific technical solution are as follows:
A kind of soil-slope earth pressure gauge embedding device, for measuring the soil pressure of soil-slope, the soil-slope
Slope surface is provided with drilling, and the soil-slope earth pressure gauge embedding device includes vertical rectangular tube, and the rectangular tube setting exists
The inside of drilling, the hole bottom of the drilling pour the concrete pedestal for surrounding rectangular tube lower end, under the rectangular tube
End is fixedly connected with concrete pedestal；Minimum of one cloth bag, the inside setting of the cloth bag are installed on the outside of the rectangular tube
There is earth pressure gauge；It is described filled with the layer of sand that cloth bag is completely covered between the lateral wall of the rectangular tube and the hole wall of drilling
The inside filling of rectangular tube has poured pea gravel concreten column.
As an improvement of the above technical solution, the lateral wall of the rectangular tube is installed with links up with correspondingly with cloth bag,
It is provided at the sack of the cloth bag and links up with compatible hanging hole.
As an improvement of the above technical solution, be provided with more bands between the cloth bag and rectangular tube, the cloth bag with
It is fixedly connected between rectangular tube by band.
As an improvement of the above technical solution, the inside of the cloth bag is filled with the fine sand that earth pressure gauge is completely covered
Layer.
As an improvement of the above technical solution, the height of the rectangular tube is greater than or equal to the depth of drilling.
As an improvement of the above technical solution, the concrete pedestal with a thickness of 0.5m~1.0m.
As an improvement of the above technical solution, the layer of sand is made of medium-fine sand filling.
A kind of soil-slope earth pressure gauge method for embedding, comprising the following steps: firstly, the slope surface in soil-slope drills out energy
Accommodate the drilling of rectangular tube；Secondly, the lateral wall in rectangular tube welds hook, cloth bag is hung up, earth pressure gauge is put into cloth bag
Cloth bag and earth pressure gauge are fixed on the side wall of rectangular tube with band by inside；Again, the rectangular tube for being banded with earth pressure gauge is put
Enter the inside to drilling, pour the concrete of 0.5m~1.0m thickness to the bottom hole of drilling with conduit, is shape after concrete curing
At concrete pedestal, then filled with the layer of sand that cloth bag is completely covered between the lateral wall of rectangular tube and the hole wall of drilling；
Finally, pouring pea gravel concreten to the inside of rectangular tube, pea gravel concreten column is formed after pea gravel concreten solidification.
Beneficial effects of the present invention:
The soil-slope earth pressure gauge embedding device and method solve earth pressure gauge soil pressure inside side slope and measure
When unbraced structure, the problems such as measuring accuracy is low, have many advantages, such as it is embedded it is convenient, measuring accuracy is high.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of rectangular tube of the present invention, concrete pedestal, cloth bag, earth pressure gauge, band；
Fig. 2 is the structural schematic diagram of soil-slope earth pressure gauge embedding device of the present invention；
Fig. 3 is the connection schematic diagram of rectangular tube of the present invention and hook；
Fig. 4 is that soil-slope earth pressure gauge embedding device of the present invention is surveyed in different depth soil pressure in different time periods
Try achievement.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 to 3, the soil-slope earth pressure gauge embedding device, for measuring the soil pressure of soil-slope 10,
The slope surface of the soil-slope 10 is provided with drilling 11, and the drilling 11 is blind hole；The embedded dress of the soil-slope earth pressure gauge
It sets including vertical rectangular tube 20, the inside of drilling 11 is arranged in the rectangular tube 20, and the hole bottom of the drilling 11 has poured
The concrete pedestal 30 that 20 lower end of rectangular tube is surrounded, the lower end of the rectangular tube 20 is fixedly connected with concrete pedestal 30；Institute
The outside for stating rectangular tube 20 is installed with minimum of one cloth bag 40, and the cloth bag 40 is internally provided with earth pressure gauge 50；The square
It is filled with the layer of sand 70 that cloth bag 40 is completely covered between the lateral wall of shape pipe 20 and the hole wall of drilling 11, the rectangular tube 20
Inside filling has poured pea gravel concreten column 80.
Further, the lateral wall of the rectangular tube 20 is installed with links up with 21 with cloth bag 40 correspondingly, the cloth bag
It is provided at 40 sack and 21 compatible hanging holes of hook.
Further, more bands 60, the cloth bag 40 and rectangular tube are provided between the cloth bag 40 and rectangular tube 20
It is fixedly connected between 20 by band 60.
Further, the inside of the cloth bag 40 is filled with the fine sand layer that earth pressure gauge 50 is completely covered.
Further, the height of the rectangular tube 20 is greater than or equal to the depth of drilling 11.
Further, the concrete pedestal 30 with a thickness of 0.5m~1.0m.
Further, the layer of sand 70 is made of medium-fine sand filling, and the i.e. middle sand of the medium-fine sand and fine sand are according to any ratio
It is mixed.
A kind of soil-slope earth pressure gauge method for embedding, comprising the following steps: firstly, the slope surface in soil-slope 10 drills out
The drilling 11 of rectangular tube 20 can be accommodated；Secondly, cloth bag 40 is hung up, by soil pressure in the lateral wall welding hook 21 of rectangular tube 20
Meter 50 is put into the inside of cloth bag 40, and cloth bag 40 and earth pressure gauge 50 are fixed on to the side wall of rectangular tube 20 with band 60；Again, will
Be banded with earth pressure gauge 50 rectangular tube 20 be put into drilling 11 inside, with conduit to drilling 11 bottom hole pour 0.5m~
The concrete of 1.0m thickness forms concrete pedestal 30 after concrete curing, the then lateral wall in rectangular tube 20 and drilling
Filled with the layer of sand 70 that cloth bag 40 is completely covered between 11 hole wall, the vibration compacting when filling out；Finally, into rectangular tube 20
Portion pours pea gravel concreten, forms pea gravel concreten column 80 after pea gravel concreten solidification.
In the above-described embodiments, when bending resistance, torsional strength are identical, 20 lighter in weight of rectangular tube；Made using rectangular tube 20
Also facilitate binding earth pressure gauge 50 for support construction.It is for convenience using welding hook 21 and by the way of installing cloth bag 40 additional
Earth pressure gauge 50 is installed, while earth pressure gauge 50 being made to be not susceptible to deviate.Concrete is made by the way of casting concrete
Rectangular tube 20 is fixed on the inside of drilling 11 by pedestal 30, this stablizes the fixed structure of earth pressure gauge 50.By medium-fine sand
Pressure inside soil-slope 10 accurately can be passed to earth pressure gauge 50 by layer of sand 70 made of filling.The inside of cloth bag 40
Also the pressure at layer of sand 70 accurately can be passed into earth pressure gauge filled with the fine sand layer that earth pressure gauge 50 is completely covered
50.The presence of pea gravel concreten column 80 enables to rectangular tube 20 to increase shear stiffness.Using the soil-slope earth pressure gauge
Embedded device fixes earth pressure gauge 50, and earth pressure gauge 50 will not be moved with the movement of slope soil, test data is accurate, surveys
It is high to try precision, as shown in figure 4, Fig. 4 is the soil-slope earth pressure gauge embedding device in different depth soil in different time periods
Pressure test achievement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of soil-slope earth pressure gauge embedding device, for measuring the soil pressure of soil-slope, the slope of the soil-slope
Face is provided with drilling, it is characterised in that: the soil-slope earth pressure gauge embedding device includes vertical rectangular tube, the rectangle
The inside of drilling is arranged in pipe, and the hole bottom of the drilling pours the concrete pedestal for surrounding rectangular tube lower end, the square
The lower end of shape pipe is fixedly connected with concrete pedestal；Minimum of one cloth bag is installed on the outside of the rectangular tube, the cloth bag
It is internally provided with earth pressure gauge；Filled with the sand that cloth bag is completely covered between the lateral wall of the rectangular tube and the hole wall of drilling
The inside filling of layer, the rectangular tube has poured pea gravel concreten column.
2. a kind of soil-slope earth pressure gauge embedding device according to claim 1, it is characterised in that: the rectangular tube
Lateral wall is installed with to be linked up with correspondingly with cloth bag, is provided at the sack of the cloth bag and is linked up with compatible hanging hole.
3. a kind of soil-slope earth pressure gauge embedding device according to claim 1, it is characterised in that: the cloth bag and square
It is provided with more bands between shape pipe, is fixedly connected between the cloth bag and rectangular tube by band.
4. a kind of soil-slope earth pressure gauge embedding device according to claim 1, it is characterised in that: the cloth bag it is interior
Portion, which is filled with, is completely covered fine sand layer for earth pressure gauge.
5. a kind of soil-slope earth pressure gauge embedding device according to claim 1, it is characterised in that: the rectangular tube
Height is greater than or equal to the depth of drilling.
6. a kind of soil-slope earth pressure gauge embedding device according to claim 1, it is characterised in that: the coagulation soil matrix
Seat with a thickness of 0.5m~1.0m.
7. a kind of soil-slope earth pressure gauge embedding device according to claim 1, it is characterised in that: the layer of sand is in
Fine sand filling is made.
8. a kind of soil-slope earth pressure gauge method for embedding, it is characterised in that the following steps are included: firstly, on the slope of soil-slope
Face drills out the drilling that can accommodate rectangular tube；Secondly, the lateral wall in rectangular tube welds hook, cloth bag is hung up, earth pressure gauge is put
Cloth bag and earth pressure gauge are fixed on the side wall of rectangular tube with band by the inside for entering cloth bag；Again, earth pressure gauge will be banded with
Rectangular tube is put into the inside of drilling, pours the concrete of 0.5m~1.0m thickness to the bottom hole of drilling with conduit, solid to concrete
Concrete pedestal is formed after change, is then filled between the lateral wall of rectangular tube and the hole wall of drilling and cloth bag is completely covered
Layer of sand；Finally, pouring pea gravel concreten to the inside of rectangular tube, pea gravel concreten is formed after pea gravel concreten solidification
Column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230661.8A CN109137870A (en) | 2018-10-22 | 2018-10-22 | A kind of soil-slope earth pressure gauge embedding device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230661.8A CN109137870A (en) | 2018-10-22 | 2018-10-22 | A kind of soil-slope earth pressure gauge embedding device and method |
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| CN109137870A true CN109137870A (en) | 2019-01-04 |
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| CN201811230661.8A Pending CN109137870A (en) | 2018-10-22 | 2018-10-22 | A kind of soil-slope earth pressure gauge embedding device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431184A (en) * | 2020-11-10 | 2021-03-02 | 陕西省建筑科学研究院有限公司 | Device and method for embedding and installing soil pressure cell through drilling and grouting |
Citations (6)
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| CN101358455A (en) * | 2008-08-14 | 2009-02-04 | 上海交通大学 | Lateral earth pressure sensor embedment method and device in earth |
| CN101493366A (en) * | 2009-01-09 | 2009-07-29 | 陈洪凯 | Drilling hole stress sensor and drilling hole stress monitoring method thereof |
| CN103276714A (en) * | 2013-05-17 | 2013-09-04 | 上海隧道工程股份有限公司 | Device and method for measuring soil body displacement in layering mode |
| CN106706029A (en) * | 2016-11-14 | 2017-05-24 | 中铁二十四局集团有限公司 | Underground structure construction-oriented soil performance monitoring device and working method thereof |
| CN107816029A (en) * | 2017-09-12 | 2018-03-20 | 中交天津港湾工程研究院有限公司 | A kind of embedding material and its method for embedding for being applied to embedded soil pressure cell |
| CN209128978U (en) * | 2018-10-22 | 2019-07-19 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | A kind of soil-slope earth pressure gauge embedding device |
-
2018
- 2018-10-22 CN CN201811230661.8A patent/CN109137870A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358455A (en) * | 2008-08-14 | 2009-02-04 | 上海交通大学 | Lateral earth pressure sensor embedment method and device in earth |
| CN101493366A (en) * | 2009-01-09 | 2009-07-29 | 陈洪凯 | Drilling hole stress sensor and drilling hole stress monitoring method thereof |
| CN103276714A (en) * | 2013-05-17 | 2013-09-04 | 上海隧道工程股份有限公司 | Device and method for measuring soil body displacement in layering mode |
| CN106706029A (en) * | 2016-11-14 | 2017-05-24 | 中铁二十四局集团有限公司 | Underground structure construction-oriented soil performance monitoring device and working method thereof |
| CN107816029A (en) * | 2017-09-12 | 2018-03-20 | 中交天津港湾工程研究院有限公司 | A kind of embedding material and its method for embedding for being applied to embedded soil pressure cell |
| CN209128978U (en) * | 2018-10-22 | 2019-07-19 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | A kind of soil-slope earth pressure gauge embedding device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431184A (en) * | 2020-11-10 | 2021-03-02 | 陕西省建筑科学研究院有限公司 | Device and method for embedding and installing soil pressure cell through drilling and grouting |
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