CN110387865A - A kind of embedded auxiliary device of open type pore pressure gauge - Google Patents
A kind of embedded auxiliary device of open type pore pressure gauge Download PDFInfo
- Publication number
- CN110387865A CN110387865A CN201910692429.4A CN201910692429A CN110387865A CN 110387865 A CN110387865 A CN 110387865A CN 201910692429 A CN201910692429 A CN 201910692429A CN 110387865 A CN110387865 A CN 110387865A
- Authority
- CN
- China
- Prior art keywords
- open type
- pressure gauge
- hollow drill
- pore pressure
- cylinder
- 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.)
- Pending
Links
- 239000011148 porous material Substances 0.000 title claims abstract description 39
- 238000005553 drilling Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- 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
- E02D1/02—Investigation of foundation soil in situ before construction work
-
- 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
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/027—Investigation of foundation soil in situ before construction work by investigating properties relating to fluids in the soil, e.g. pore-water pressure, permeability
Abstract
The present invention provides a kind of embedded auxiliary device of open type pore pressure gauge, belongs to civil engineering Pore Pressure monitoring field.The device includes that cylinder is auxiliarily fixed in assembly type hollow drill, disposable auxiliary positioning rope, open type, and wherein assembly type hollow drill is cylinder type hollow metallic rod of the bottom with assembling screw thread；Disposable auxiliary positioning rope one end is connect with ventage piezometer, and the other end extends to the top of assembly type hollow drill；Open type is auxiliarily fixed cylinder and is located at below assembly type hollow drill and is connect by assembling screw thread with assembly type hollow drill, assembling setting below screw thread, there are two the auxiliary spanner locating slot being recessed, open type is auxiliarily fixed cylinder ends and is provided with for about the rectangular recess shape bayonet for placing pore pressure gauge.The advantages that device ensure that pore pressure gauge buries the accuracy of depth and position, and have structure simple, and easy to operate, service efficiency is high, low in cost, safe and reliable.
Description
Technical field
The present invention relates to civil engineering Pore Pressures to monitor field, particularly relates to a kind of open type pore pressure gauge
Embedded auxiliary device.
Background technique
In length and breadth, soft base area coverage is big in the coastal areas lake such as China south China, East China river.It is built in soft base
Object, structures use need first to carry out basement process, and the variation of pore water pressure is an important finger of concretion of soft foundation variation
Mark.Currently, measurement pore water pressure needs embedded pore pressure gauge.The method of existing embedded pore pressure gauge mainly has two
Kind: the first first borehole wall-protection is then directly placed into pore pressure gauge, but muck soil easily collapse hole, causes pore water pressure
The offset of power meter, buried depth depth accuracy are inadequate；Second of closed pore pressure gauge embedded device of use, by pore pressure gauge
It is fitted into closed device, waits and reach certain depth device for opening again, put down pore pressure gauge, this structure is complicated, operation
It is cumbersome, and it is easy to produce the problems such as device is not opened.Therefore, it is studied for the auxiliary embedded device of soft base Pore Pressure meter
With realistic meaning.
Design the embedded dress of pore pressure gauge auxiliary that a kind of light structure, easy to operate, service efficiency is high, safe and reliable
It sets, the accuracy of the pore pressure gauge depth of burying is effectively ensured, solve the easy offset problem of Embedded Installation of Pore Water Pressure Gauge, tool
There is practical value
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of open type pore pressure gauges to bury auxiliary device.
The device includes that cylinder is auxiliarily fixed in assembly type hollow drill, disposable auxiliary positioning rope, open type, wherein assembling
Formula hollow drill is cylinder type hollow metallic rod of the bottom with assembling screw thread；One end of disposable auxiliary positioning rope and pore water
Pressure meter connection, the other end extend to the top of assembly type hollow drill；Open type is auxiliarily fixed cylinder and is located at assembly type core drill
It is connect below bar and by assembling screw thread with assembly type hollow drill, there are two the auxiliary spanners being recessed for setting below assembling screw thread
Locating slot, open type are auxiliarily fixed cylinder ends and are provided with rectangular recess shape bayonet for placing pore pressure gauge.
Wherein:
Described two auxiliary spanner locating slots are symmetrical arranged along the middle line that cylinder is auxiliarily fixed in open type.
The top of assembly type hollow drill connects drilling machine.
The length after cylinder assembling is auxiliarily fixed in the length and assembly type hollow drill and open type of disposable auxiliary positioning rope
It spends equal.
The advantageous effects of the above technical solutions of the present invention are as follows:
The device uses the open type with bayonet and cylinder is auxiliarily fixed, and will tie up the hole on disposable auxiliary positioning rope
Gap water pressure gauge is placed in cylinder, by disposable auxiliary positioning rope stretch out bayonet, by the downward power of assembly type hollow drill with
And the upward drag of disposable auxiliary positioning rope, pore pressure gauge is securely seated between in auxiliary positioning cylinder, is guaranteed
Pore pressure gauge buries the accuracy of depth and position, and has structure simple, easy to operate, and service efficiency is high, at
The advantages that this is cheap, safe and reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that open type pore pressure gauge of the invention buries auxiliary device；
Fig. 2 is that cylinder left view is auxiliarily fixed in the open type of the embedded auxiliary device of open type pore pressure gauge of the invention
Figure；
Fig. 3 is that cylinder main view is auxiliarily fixed in the open type of the embedded auxiliary device of open type pore pressure gauge of the invention
Figure.
Wherein: 1- assembly type hollow drill, the disposable auxiliary positioning rope of 2-, 3- assemble screw thread, and 4- assists spanner locating slot,
Cylinder, 6- bayonet, 7- pore pressure gauge is auxiliarily fixed in 5- open type.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of embedded auxiliary device of open type pore pressure gauge.
As shown in Figure 1, Figure 2 and Figure 3, which includes assembly type hollow drill 1, disposable auxiliary positioning rope 2, open type
Cylinder 5 is auxiliarily fixed, wherein assembly type hollow drill 1 is cylinder type hollow metallic rod of the bottom with assembling screw thread 3；Disposably
One end of auxiliary positioning rope 2 is connect with ventage piezometer 7, and the other end extends to the top of assembly type hollow drill 1；Open type is auxiliary
It helps fixed cylinder 5 to be located at 1 lower section of assembly type hollow drill and is connect by assembling screw thread 3 with assembly type hollow drill 1, assemble spiral shell
It is arranged below line 3 there are two the auxiliary spanner locating slot 4 being recessed, open type is auxiliarily fixed 5 end of cylinder and is provided with for putting hole
The rectangular recess shape bayonet 6 of gap water pressure gauge 7.
Wherein:
Described two auxiliary spanner locating slots 4 are symmetrical arranged along the middle line that cylinder 5 is auxiliarily fixed in open type.
The top of assembly type hollow drill 1 connects drilling machine.
After the assembling of cylinder 5 is auxiliarily fixed in the length and assembly type hollow drill 1 and open type of disposable auxiliary positioning rope 2
Equal length.
The preferred embodiment of the present invention is as follows:
As shown in Figure 1, Figure 2 and Figure 3, in actual design, which includes that cylinder 5, assembly type sky is auxiliarily fixed in open type
Heart drilling rod 1, disposable auxiliary positioning rope 2,5 top of cylinder, which is auxiliarily fixed, assembling screw thread 3, assists spanner locating slot 4, lower part
There is bayonet 6.
Assembly type hollow drill 1 one have assembling screw thread 3, and cylinder 5 is auxiliarily fixed with open type and connect, other end and drilling machine
Connection.
Disposable auxiliary positioning rope 2 is the nylon rope that wire length is determined according to pore pressure gauge buried depth, and one is tied up in hole
In water pressure gauge 7, one is fixed on outside drilling.
In use, first determine 7 buried depth depth of pore pressure gauge, so that it is determined that disposable 2 length of auxiliary positioning rope, by group
Dress formula hollow drill 1 is auxiliarily fixed cylinder 5 with open type and is connect by assembling screw thread 3, then by ventage piezometer 7 with disposably
Auxiliary positioning rope 2 is bound, and ventage piezometer 7 is stablized and is auxiliarily fixed in cylinder 5 in open type, and disposable auxiliary positioning rope 2 is just
It is pierced by bayonet 6 well, hole will be put by exerting a force under assembly type hollow drill 1, in decentralization process, promptly disposable auxiliary positioning rope 2, leads to
Crossing the upward drag of disposable auxiliary positioning rope 2 and the downward power of assembly type hollow drill 1 ensures that it closely connects with bayonet 6
Touching, it is when transferring depth equal to length determined by disposable auxiliary positioning rope 2, disposable auxiliary positioning rope 2 is fixed, then
It extracts assembly type hollow drill 1 out, it is embedded to complete pore pressure gauge.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of open type pore pressure gauge buries auxiliary device, it is characterised in that: including assembly type hollow drill (1), one
Cylinder (5) are auxiliarily fixed in secondary property auxiliary positioning rope (2), open type, and wherein assembly type hollow drill (1) is bottom with assembling spiral shell
The cylinder type hollow metallic rod of line (3)；One end of disposable auxiliary positioning rope (2) is connect with ventage piezometer (7), and the other end prolongs
Extend to the top of assembly type hollow drill (1)；Open type is auxiliarily fixed cylinder (5) and is located at below assembly type hollow drill (1) simultaneously
It is connect by assembling screw thread (3) with assembly type hollow drill (1), there are two the auxiliary being recessed to pull for setting below assembling screw thread (3)
Hand locating slot (4), open type are auxiliarily fixed cylinder (5) end and are provided with rectangular recess for placing pore pressure gauge (7)
Shape bayonet (6).
2. open type pore pressure gauge according to claim 1 buries auxiliary device, it is characterised in that: described two auxiliary
The middle line for helping spanner locating slot (4) that cylinder (5) is auxiliarily fixed along open type is symmetrical arranged.
3. open type pore pressure gauge according to claim 1 buries auxiliary device, it is characterised in that: the assembly type
The top of hollow drill (1) connects drilling machine.
4. open type pore pressure gauge according to claim 1 buries auxiliary device, it is characterised in that: described disposable
The length phase after cylinder (5) assembling is auxiliarily fixed with assembly type hollow drill (1) and open type for the length of auxiliary positioning rope (2)
Deng.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692429.4A CN110387865A (en) | 2019-07-30 | 2019-07-30 | A kind of embedded auxiliary device of open type pore pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692429.4A CN110387865A (en) | 2019-07-30 | 2019-07-30 | A kind of embedded auxiliary device of open type pore pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110387865A true CN110387865A (en) | 2019-10-29 |
Family
ID=68287740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910692429.4A Pending CN110387865A (en) | 2019-07-30 | 2019-07-30 | A kind of embedded auxiliary device of open type pore pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110387865A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776949A (en) * | 2022-04-13 | 2022-07-22 | 中交第一航务工程局有限公司 | Pore water pressure sensor embedding method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935745A (en) * | 1973-09-04 | 1976-02-03 | Per Olof Jonell | Pore water pressure measuring device |
| CN202247833U (en) * | 2011-09-10 | 2012-05-30 | 无锡市政设计研究院有限公司 | Device for measuring and monitoring underground water pressure |
| CN203782672U (en) * | 2014-03-28 | 2014-08-20 | 交通运输部天津水运工程科学研究所 | Embedding device for pore water pressure gauge |
| JP6172825B1 (en) * | 2016-10-19 | 2017-08-02 | 株式会社地盤リスク研究所 | Slope stabilization method, slope stabilization structure, soil structure management method, and soil structure management system |
| CN210507386U (en) * | 2019-07-30 | 2020-05-12 | 中电建路桥集团有限公司 | Auxiliary device is buried underground to open type pore water pressure gauge |
-
2019
- 2019-07-30 CN CN201910692429.4A patent/CN110387865A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935745A (en) * | 1973-09-04 | 1976-02-03 | Per Olof Jonell | Pore water pressure measuring device |
| CN202247833U (en) * | 2011-09-10 | 2012-05-30 | 无锡市政设计研究院有限公司 | Device for measuring and monitoring underground water pressure |
| CN203782672U (en) * | 2014-03-28 | 2014-08-20 | 交通运输部天津水运工程科学研究所 | Embedding device for pore water pressure gauge |
| JP6172825B1 (en) * | 2016-10-19 | 2017-08-02 | 株式会社地盤リスク研究所 | Slope stabilization method, slope stabilization structure, soil structure management method, and soil structure management system |
| CN210507386U (en) * | 2019-07-30 | 2020-05-12 | 中电建路桥集团有限公司 | Auxiliary device is buried underground to open type pore water pressure gauge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776949A (en) * | 2022-04-13 | 2022-07-22 | 中交第一航务工程局有限公司 | Pore water pressure sensor embedding method |
| CN114776949B (en) * | 2022-04-13 | 2024-02-09 | 中交第一航务工程局有限公司 | Pore water pressure sensor burying method |
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