CN103195044A - Pore water pressure gauge deep-layer embedded device - Google Patents
Pore water pressure gauge deep-layer embedded device Download PDFInfo
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- CN103195044A CN103195044A CN2013101159788A CN201310115978A CN103195044A CN 103195044 A CN103195044 A CN 103195044A CN 2013101159788 A CN2013101159788 A CN 2013101159788A CN 201310115978 A CN201310115978 A CN 201310115978A CN 103195044 A CN103195044 A CN 103195044A
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- pressure gauge
- pore pressure
- embedded device
- steel pipe
- clip
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Abstract
The invention discloses a pore water pressure gauge deep-layer embedded device which comprises a steel tube (1), a string (3), a cable (5), a sleeve (6), a clip (7) and a pore water pressure gauge (9). The pore water pressure gauge deep-layer embedded device is light and handy in structure, easy to operate, good in quality and high in efficiency.
Description
Technical field
The invention belongs to technical field of civil engineering, relate to a kind of pore pressure gauge embedded device.
Background technology
In soft foundation, pore pressure gauge is generally buried underground by boring, and adopts mud off in pore forming process, to keep the stable of hole wall.Because the easy undergauge of pore-forming back aperture in the weak soil, and mud also can produce uplift pressure to pore pressure gauge and the signal cable line thereof of transferring in the hole, therefore the quality of burying underground of pore pressure gauge exists following problem: the signal cable line that (1) indicates length mark is non-rigid scale, mislead the depth of burying sometimes, cause pore pressure gauge can not arrive set depth, thereby the measured pore water pressure pore water pressure of projected depth soil layer not necessarily; (2) pore pressure gauge can not be placed in the middle in the hole, and pore pressure gauge and signal transmssion line joint area can not get protection, and there is certain spoilage in the process of burying underground, can make the pressure gauge of having buried underground lose due measurement effect; (3) the measured data of pore pressure gauge can not truly be reflected the actual pore water pressure of setting soil layer because burying underground Mass Interference.Du Ce etc. have proposed a kind of pore pressure gauge deep layer embedded device, can overcome the above problems, but this apparatus structure are complicated and heavy, generate the technological requirement strictness; Excessive to the bore diameter requirement, it is loaded down with trivial details that process is buried in installation underground, and cost is higher, has limited it and has promoted the use of.
Therefore, design that a kind of structure is light and handy, the pore pressure gauge embedded device of easy operating, bury efficient, protection pore pressure gauge etc. underground for improving pore pressure gauge, have the important engineering practice significance.
Summary of the invention
The object of the present invention is to provide a kind of pore pressure gauge embedded device, can be used for burying underground efficiently and accurately in the soft foundation pore pressure gauge, thereby obtain soft subgrade soil body pore water pressure along the reliability data of change in depth rule.
A kind of pore pressure gauge deep layer embedded device comprises steel pipe (1), cord (3), cable (5), sleeve pipe (6), clip (7) and pore pressure gauge (9),
It is characterized in that described steel pipe (1) is connected with sleeve pipe (6) by joint (4), clip (7) and pore pressure gauge (9) are positioned at sleeve pipe (6) inside;
Described clip (7) comprises left handle (7-1), right handles (7-2), left intermediate plate (7-3), right clamping piece (7-4) and clip rotating shaft (7-5), has a spring (8) between described left handle (7-1) and the right handles (7-2), left handle (7-1) links to each other with left intermediate plate (7-3), right handles (7-2) links to each other with right clamping piece (7-4), described clip rotating shaft (7-5) two ends are passed sleeve pipe (6) and are used for fixing this clip (7), and described left intermediate plate (7-3) and right clamping piece (7-4) are used for fixedly pore pressure gauge (9);
The quantity of described cord (3) is two, and an end is used for connecting left handle (7-1) and right handles (7-2), and the other end extends to the outside by steel pipe (1);
Described cable (5) one ends link to each other with pore pressure gauge (9), and the other end extends to the outside by steel pipe (1).
Described steel pipe can have a plurality of, interconnects by tube coupling (2).
Described diameter of steel tube 3cm, the long 1m of every joint, and being connected between the tube coupling (2) is threaded;
Described tube coupling (2) length 5cm.
Described steel pipe (1) is connected to by joint (4) and sleeve pipe (6) and is threaded.
Described sleeve pipe (6) length 10cm, diameter 10cm.
Useful technique effect:
Equipment provided by the present invention installs deadweight and puts on drilling rod in burying process underground the power of transferring can overcome the resistance that high-density slurry produces in hole wall undergauge or the hole, and steel pipe go into the metering scale that hole length can be used as the pore pressure gauge buried depth, can guarantee pore pressure gauge is sent to projected depth, pore pressure gauge can vertically insert in the soil layer after sending to projected depth, guarantees authenticity and the reliability of test data; In addition, steel pipe can also protect the lead of pore pressure gauge; Have that the quality buried underground is good, depth localization accurately, bury the high beneficial effect of efficient underground.
Description of drawings:
Fig. 1 structural representation of the present invention;
Fig. 2 is right cross section view of the present invention.
The specific embodiment
Below in conjunction with specific embodiment the present invention has been done further description.
A kind of pore pressure gauge deep layer embedded device comprises steel pipe (1), cord (3), cable (5), sleeve pipe (6), clip (7) and pore pressure gauge (9),
It is characterized in that described steel pipe (1) is connected with sleeve pipe (6) by joint (4), clip (7) and pore pressure gauge (9) are positioned at sleeve pipe (6) inside;
Described clip (7) comprises left handle (7-1), right handles (7-2), left intermediate plate (7-3), right clamping piece (7-4) and clip rotating shaft (7-5), has a spring (8) between described left handle (7-1) and the right handles (7-2), left handle (7-1) links to each other with left intermediate plate (7-3), right handles (7-2) links to each other with right clamping piece (7-4), described clip rotating shaft (7-5) two ends are passed sleeve pipe (6) and are used for fixing this clip (7), and described left intermediate plate (7-3) and right clamping piece (7-4) are used for fixedly pore pressure gauge (9); After treating that pore pressure gauge inserts the precalculated position, the drawing-down rope namely unclamps the clip mouth, and itself and pore pressure gauge (9) are broken away from, and up carries steel pipe then, and pore pressure gauge has just been stayed in the soil, and is convenient and swift.
The quantity of described cord (3) is two, and an end is used for connecting left handle (7-1) and right handles (7-2), and the other end extends to the outside by steel pipe (1);
Described cable (5) one ends link to each other with pore pressure gauge (9), and the other end extends to the outside by steel pipe (1).
Described steel pipe can have a plurality of, interconnects by tube coupling (2).
Described diameter of steel tube 3cm, the long 1m of every joint, and being connected between the tube coupling (2) is threaded;
Described tube coupling (2) length 5cm.
Described steel pipe (1) is connected to by joint (4) and sleeve pipe (6) and is threaded.
Described sleeve pipe (6) length 10cm, diameter 10cm.
It is as follows that the present invention specifically buries step underground:
The permeable stone taking-up of pore pressure gauge end that (1) will be to be buried underground was soaked 24 hours in water or boiling water boiled 1～2 hour, get rid of wherein air, partly wrap up in the permeable geotextiles of one deck at its pore pressure gauge permeable stone then, prevent from burying underground mud obstruction permeable stone in the process, influence pore pressure gauge test effect;
(2) bury a boring underground up to burying the degree of depth in advance underground at pore pressure gauge;
(3) pretreated pore pressure gauge upper end is clamped with clip, to be fixed in the sleeve pipe, with joint sleeve pipe is connected with steel pipe;
(4) pore pressure gauge that fixes is put into the hole, when treating that the steel pipe upper end is about to enter in the hole, pipe is sent in termination, next joint steel pipe is penetrated cord and pore pressure gauge signal cable line, and is connected with the steel pipe that inserts in the hole upper end with tube coupling, after tightening the hole is down put in the steel pipe continuation gently;
(5) link is inserted in the adapter in the repeating step 4, arrives the pre-buried degree of depth until pore pressure gauge;
(6) steel pipe of holding with a firm grip guarantees that steel pipe can upper and lower displacement, and drawing-down rope up slowly unclamps clip then;
(7) confirm that clip unclamps after, about rotate steel pipe gently, itself and pore pressure gauge are broken away from, and slowly up lift steel pipe, pore pressure gauge has been left in the soil layer, pulls out one in the trombone slide process and saves and break a joint, till extracting fully.
(8) backfill clay in the hole, and with swell soil or rich clay sealing of hole, burying underground namely of a pore pressure gauge finished.
(9) repeat above step, can finish the burying underground of pore pressure gauge of different depth.
Certainly; the above only is one embodiment of the present invention; should be understood that those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications all belong within the protection domain of claim of the present invention.
Claims (6)
1. a pore pressure gauge deep layer embedded device comprises steel pipe (1), cord (3), cable (5), sleeve pipe (6), clip (7) and pore pressure gauge (9),
It is characterized in that described steel pipe (1) is connected with sleeve pipe (6) by joint (4), clip (7) and pore pressure gauge (9) are positioned at sleeve pipe (6) inside;
Described clip (7) comprises left handle (7-1), right handles (7-2), left intermediate plate (7-3), right clamping piece (7-4) and clip rotating shaft (7-5), has a spring (8) between described left handle (7-1) and the right handles (7-2), left handle (7-1) links to each other with left intermediate plate (7-3), right handles (7-2) links to each other with right clamping piece (7-4), described clip rotating shaft (7-5) two ends are passed sleeve pipe (6) and are used for fixing this clip (7), and described left intermediate plate (7-3) and right clamping piece (7-4) are used for fixedly pore pressure gauge (9);
The quantity of described cord (3) is two, and an end is used for connecting left handle (7-1) and right handles (7-2), and the other end extends to the outside by steel pipe (1);
Described cable (5) one ends link to each other with pore pressure gauge (9), and the other end extends to the outside by steel pipe (1).
2. a kind of pore pressure gauge deep layer embedded device according to claim 1 is characterized in that described steel pipe can have a plurality of, interconnects by tube coupling (2).
3. a kind of pore pressure gauge deep layer embedded device according to claim 2 is characterized in that: described diameter of steel tube 3cm, and the long 1m of every joint, and being connected between the tube coupling (2) is threaded.
4. a kind of pore pressure gauge deep layer embedded device according to claim 1 is characterized in that, described tube coupling (2) length 5cm.
5. a kind of pore pressure gauge deep layer embedded device according to claim 1 is characterized in that, described steel pipe (1) is connected to by joint (4) and sleeve pipe (6) and is threaded.
6. a kind of pore pressure gauge deep layer embedded device according to claim 1 is characterized in that, described sleeve pipe (6) length 10cm, diameter 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310115978.8A CN103195044B (en) | 2013-03-25 | 2013-03-25 | A kind of deep embedding device for pore pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310115978.8A CN103195044B (en) | 2013-03-25 | 2013-03-25 | A kind of deep embedding device for pore pressure gauge |
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| Publication Number | Publication Date |
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| CN103195044A true CN103195044A (en) | 2013-07-10 |
| CN103195044B CN103195044B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310115978.8A Active CN103195044B (en) | 2013-03-25 | 2013-03-25 | A kind of deep embedding device for pore pressure gauge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032719A (en) * | 2014-03-14 | 2014-09-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Dam seepage pressure measuring device |
| CN104963329A (en) * | 2015-07-07 | 2015-10-07 | 天津水运工程勘察设计院 | Soft foundation pore pressure meter embedding method |
| CN109629545A (en) * | 2019-01-08 | 2019-04-16 | 中交上海航道勘察设计研究院有限公司 | A kind of embedded sealing device and application method of novel pore pressure gauge |
| CN111721696A (en) * | 2020-05-12 | 2020-09-29 | 温州大学 | Underground soil body effective pressure testing device and testing method |
Citations (6)
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|---|---|---|---|---|
| JPH0441810A (en) * | 1990-06-07 | 1992-02-12 | Shimizu Corp | Multi-stage type pore water pressure measuring method |
| CN2384011Y (en) * | 1999-03-25 | 2000-06-21 | 张博 | Clamp |
| CN101191335A (en) * | 2006-11-30 | 2008-06-04 | 上海科达市政交通设计院 | Pore water pressure sensor protecting equipment and assembling constructing method thereof |
| CN201933477U (en) * | 2010-12-29 | 2011-08-17 | 上海广联建设发展有限公司 | Deep embedding device for pore pressure gauge |
| CN202082207U (en) * | 2011-05-17 | 2011-12-21 | 成明哲 | Fixing clamp |
| CN203160223U (en) * | 2013-03-25 | 2013-08-28 | 长沙理工大学 | Pore water pressure gauge deep layer embedded device |
-
2013
- 2013-03-25 CN CN201310115978.8A patent/CN103195044B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0441810A (en) * | 1990-06-07 | 1992-02-12 | Shimizu Corp | Multi-stage type pore water pressure measuring method |
| CN2384011Y (en) * | 1999-03-25 | 2000-06-21 | 张博 | Clamp |
| CN101191335A (en) * | 2006-11-30 | 2008-06-04 | 上海科达市政交通设计院 | Pore water pressure sensor protecting equipment and assembling constructing method thereof |
| CN201933477U (en) * | 2010-12-29 | 2011-08-17 | 上海广联建设发展有限公司 | Deep embedding device for pore pressure gauge |
| CN202082207U (en) * | 2011-05-17 | 2011-12-21 | 成明哲 | Fixing clamp |
| CN203160223U (en) * | 2013-03-25 | 2013-08-28 | 长沙理工大学 | Pore water pressure gauge deep layer embedded device |
Non-Patent Citations (1)
| Title |
|---|
| 付海贵等: "深厚软土地区孔隙水压力计埋设技术研究", 《铁道建筑》, no. 11, 30 November 2010 (2010-11-30), pages 72 - 75 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032719A (en) * | 2014-03-14 | 2014-09-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Dam seepage pressure measuring device |
| CN104032719B (en) * | 2014-03-14 | 2015-10-28 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of dam seepage pressure tester |
| CN104963329A (en) * | 2015-07-07 | 2015-10-07 | 天津水运工程勘察设计院 | Soft foundation pore pressure meter embedding method |
| CN109629545A (en) * | 2019-01-08 | 2019-04-16 | 中交上海航道勘察设计研究院有限公司 | A kind of embedded sealing device and application method of novel pore pressure gauge |
| CN111721696A (en) * | 2020-05-12 | 2020-09-29 | 温州大学 | Underground soil body effective pressure testing device and testing method |
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| Publication number | Publication date |
|---|---|
| CN103195044B (en) | 2015-09-02 |
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