CN208109325U - A kind of foundation pit Water And Earth Pressures measurement pore pressure gauge - Google Patents
A kind of foundation pit Water And Earth Pressures measurement pore pressure gauge Download PDFInfo
- Publication number
- CN208109325U CN208109325U CN201820661880.0U CN201820661880U CN208109325U CN 208109325 U CN208109325 U CN 208109325U CN 201820661880 U CN201820661880 U CN 201820661880U CN 208109325 U CN208109325 U CN 208109325U
- Authority
- CN
- China
- Prior art keywords
- pressure gauge
- pore pressure
- sleeve
- ring
- foundation pit
- 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.)
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- 239000011148 porous material Substances 0.000 title claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000005259 measurement Methods 0.000 title claims abstract description 25
- 239000000565 sealant Substances 0.000 claims abstract description 11
- 230000000452 restraining effect Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000007717 exclusion Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000004576 sand Substances 0.000 description 9
- 239000004575 stone Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Abstract
The utility model discloses a kind of foundation pit Water And Earth Pressures measurement pore pressure gauges, including pore pressure gauge ontology, the bottom outside wall fixing sleeve of the pore pressure gauge ontology is connected to connection ring, the top of the connection ring connects restraining position ring block by more support rods, sleeve is equipped between the pore pressure gauge ontology and stop collar, the sleeve is threadedly coupled with stop collar.The utility model contacts sealant isolation pore pressure gauge ontology with air with the relative rotation of stop collar by sleeve after pore pressure gauge ontology boils standing 24 hours, and in measurement, first the present apparatus is immersed in the water in foundation pit, pore pressure gauge ontology is contacted with the water in foundation pit with the relative rotation of stop collar then through sleeve, to carry out the measurement of hydraulic pressure, such pore pressure gauge ontology in use always with air exclusion and ensure the accuracy of this bulk measurement of pore pressure gauge.
Description
Technical field
The utility model relates to pressure gauge equipment technical field more particularly to a kind of foundation pit Water And Earth Pressures measurement pore waters
Pressure gauge.
Background technique
The observation of pore water pressure (also known as seepage water pressure) is the big event of geotechnical engineering measurement, pore water pressure
Variation can reflect out the stable state on building basis.The existing big portion of pore pressure gauge structure be with permeable stone be every
From forming cavity between sensor and permeable stone and be isolated the impurity such as silt.Since there are a cavitys, so pore water pressure
Power meter will be strictly saturated before use, could accurately measure super interstitial hydraulic pressure and its dissipation.If unsaturated or saturation is not thorough
Bottom, then can slow pore water pressure transmission speed, cause pore water pressure consumption in the air that does not empty in the cavities of compression
On, seriously affect test accuracy.
Currently, it is a very difficult thing that people, which guarantee that pore pressure gauge can be highly saturated,.It generallys use in the industry
Method is first to boil standing 24 hours, is further taken out in use, making 2-3cm bigger than pore pressure meter diameter by oneself with closeer nylon wire
Sand pocket.Its built-in medium-fine sand, pore pressure gauge is partially disposed in sand pocket, it is ensured that the permeable stone on pore pressure gauge
It is all placed in sand, sand pocket top is fixed on pore pressure gauge with iron wire, prevents sand pocket from sliding, and ensures pore water with this
Pressure gauge not ingress of air completely.But practical operation is extremely difficult, and even if operation cannot guarantee that pore water pressure in this way
Power meter is fully saturated, and it is accurate that the result of test still cannot be guaranteed, because being needed before sand pocket mounted in pore pressure gauge
On, operating process is complicated and the time is long, and it can be contacted in operation with air in this way, air in addition can be contained in fine sand,
And pore pressure gauge using when need to remove sand pocket, place into foundation pit, also result in this way pore pressure gauge with
Air contact, and then also will affect measurement data.
For this purpose, we devise a kind of foundation pit Water And Earth Pressures measurement pore pressure gauge.
Utility model content
It is not allowed purpose of the utility model is to solve the generally existing test result of existing pore pressure gauge
Current Situation, and a kind of foundation pit Water And Earth Pressures measurement pore pressure gauge proposed.
To achieve the goals above, the utility model uses following technical solution：
A kind of measurement of foundation pit Water And Earth Pressures pore pressure gauge, including pore pressure gauge ontology, the pore water pressure
The bottom outside wall fixing sleeve of power meter ontology is connected to connection ring, and the top of the connection ring is connected with limit by more support rods
Ring is equipped with sleeve between the pore pressure gauge ontology and stop collar, the sleeve is threadedly coupled with stop collar, the sleeve
Inner sidewall be fixedly connected with sealant, the lateral wall of the sealant and pore pressure gauge ontology offsets, the sleeve
Top outer wall fixing sleeve is connected to mounting ring, and the lateral wall of the mounting ring is fixedly connected with control mechanism.
Preferably, the lateral wall of the sleeve is equipped with external screw thread, and the inner sidewall of the stop collar is equipped with corresponding with external screw thread
Internal screw thread.
Preferably, more bolts are threaded in the mounting ring.
Preferably, the bottom outside wall fixing sleeve of the sleeve is connected to fixed ring.
Preferably, the control mechanism includes control ring, and the inner sidewall of the control ring passes through more fixed links and installation
The lateral wall of ring connects.
Preferably, the mounting ring is equipped with more root cutting bars, is fixedly connected with limited block, the peace at the top of the inserted link
It fills on ring and stop collar around equipped with multiple sockets corresponding with inserted link.
The utility model is turned after pore pressure gauge ontology is boiled and stood 24 hours by sleeve and the opposite of stop collar
It moves and contacts sealant isolation pore pressure gauge ontology with air, and in measurement, first the present apparatus is immersed in foundation pit
In water, contact pore pressure gauge ontology with the water in foundation pit with the relative rotation of stop collar then through sleeve, thus
Carry out hydraulic pressure measurement, such pore pressure gauge ontology in use always with air exclusion and ensure pore water pressure
Count the accuracy of this bulk measurement.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of foundation pit Water And Earth Pressures measurement pore pressure gauge structural schematic diagram；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
In figure：1 pore pressure gauge ontology, 2 connection rings, 3 support rods, 4 stop collars, 5 sleeves, 6 sealants, 7 mounting rings,
8 control mechanisms, 81 control rings, 82 fixed links, 9 bolts, 10 fixed rings, 11 inserted links, 12 limited blocks, 13 sockets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment one
Referring to Fig.1-2, a kind of measurement of foundation pit Water And Earth Pressures pore pressure gauge, including pore pressure gauge ontology 1, hole
The bottom outside wall fixing sleeve of gap water pressure gauge ontology 1 is connected to connection ring 2, and the top of connection ring 2 is connected by more support rods 3
Restraining position ring block 4 is equipped with sleeve 5 between pore pressure gauge ontology 1 and stop collar 4, sleeve 5 is threadedly coupled with stop collar 4, sleeve
5 lateral wall is equipped with external screw thread, and the inner sidewall of stop collar 4 is equipped with internal screw thread corresponding with external screw thread, in this way convenient for sleeve 5 and limit
Position ring 4 is threadedly coupled, and the bottom outside wall fixing sleeve of sleeve 5 is connected to fixed ring 10, and sleeve 5 and stop collar 4 is prevented to be detached from this way,
And then it is unfavorable for the use of next time, the inner sidewall of sleeve 5 is fixedly connected with sealant 6, sealant 6 and pore pressure gauge ontology
1 lateral wall offsets, and the top outer wall fixing sleeve of sleeve 5 is connected to mounting ring 7, and more bolts are threaded in mounting ring 7
9, stabilization when being easily installed the stabilization of ring 7 by the effect of bolt in this way, and then being measured convenient for pore pressure gauge ontology 1,
The lateral wall of mounting ring 7 is fixedly connected with control mechanism 8, and control mechanism 8 includes control ring 81, and the inner sidewall of control ring 81 passes through
More fixed links 82 are connect with the lateral wall of mounting ring 7, facilitate the rotation of sleeve 5, installation by the effect of control mechanism 8 in this way
Ring 7 is equipped with more root cutting bars 11, and the top of inserted link 11 is fixedly connected with limited block 12, surround and set in mounting ring 7 and stop collar 4
There are multiple sockets 13 corresponding with inserted link 11, is convenient for limiting mounting ring 7 and stop collar 4 by the effect of inserted link 11 in this way
Position, to prevent the relative rotation between mounting ring 7 and stop collar 4, and then prevent pore pressure gauge ontology movement and shadow
Ring measurement.
In the utility model, pore pressure gauge ontology 1, which boils standing, made pore pressure gauge by sleeve 5 after 24 hours
Ontology 1 and air exclusion, then in use, people by control ring 81 by the fixed rotary spacing ring 4 of mounting ring 7, in this way with
The rotation of stop collar 4 pore pressure gauge ontology 1 will be made to move up and down, and due to sealant 6 and pore pressure gauge sheet
The lateral wall of body 1 offsets, in this way by sealant 6 guarantee the pore pressure gauge in permeable stone will not ingress of air, and make
The present apparatus is inserted into the water in foundation pit by the used time, then stability contorting ring 81 and rotary spacing ring 4 makes pore pressure gauge sheet
Being contacted with the water in foundation pit slowly of body 1, thus be avoided that pore pressure gauge ontology 1 when in use with the contact problems of air,
And when pore pressure gauge ontology 1 is put into foundation pit completely, by the connection of inserted link 11 and socket 13, prevent sleeve 5 with
Stop collar 4, which exists, to be relatively rotated, and is convenient for stablizing mounting ring 7 by bolt 9, and then convenient for the hydraulic pressure in measurement foundation pit.
Implementation column two
The difference between this embodiment and the first embodiment lies in the motion mode of pore pressure gauge ontology 1 is different, embodiment one
Pore Pressure meter ontology 1 is the rotary spacing ring 4 and stablizing mounting ring 7, in this way convenient for being used compared with deep basal pit, and this reality
It applies in example and rotates control ring 81 and stablizing stop collar 4, then as the rotation of control ring 81 will make slowly upward of sleeve 5
Movement, thus make originally be located at foundation pit water in pore pressure gauge ontology 1 contacted with water, thus be avoided that contacted with air thus
Guarantee the accuracy of measurement.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of measurement of foundation pit Water And Earth Pressures pore pressure gauge, including pore pressure gauge ontology (1), which is characterized in that
The bottom outside wall fixing sleeve of the pore pressure gauge ontology (1) is connected to connection ring (2), and the top of the connection ring (2) is logical
Excessive root support rod (3) connection restraining position ring block (4), is equipped with sleeve between the pore pressure gauge ontology (1) and stop collar (4)
(5), the sleeve (5) is threadedly coupled with stop collar (4), and the inner sidewall of the sleeve (5) is fixedly connected with sealant (6), institute
It states sealant (6) and the lateral wall of pore pressure gauge ontology (1) offsets, the top outer wall of the sleeve (5) is fixedly attached
Have mounting ring (7), the lateral wall of the mounting ring (7) is fixedly connected with control mechanism (8).
2. a kind of foundation pit Water And Earth Pressures measurement pore pressure gauge according to claim 1, which is characterized in that the set
The lateral wall of cylinder (5) is equipped with external screw thread, and the inner sidewall of the stop collar (4) is equipped with internal screw thread corresponding with external screw thread.
3. a kind of foundation pit Water And Earth Pressures measurement pore pressure gauge according to claim 1, which is characterized in that the peace
More bolts (9) are threaded on dress ring (7).
4. a kind of foundation pit Water And Earth Pressures measurement pore pressure gauge according to claim 1, which is characterized in that the set
The bottom outside wall fixing sleeve of cylinder (5) is connected to fixed ring (10).
5. a kind of foundation pit Water And Earth Pressures measurement pore pressure gauge according to claim 1, which is characterized in that the control
Mechanism (8) processed includes control ring (81), and the inner sidewall of the control ring (81) passes through more fixed links (82) and mounting ring (7)
Lateral wall connection.
6. a kind of foundation pit Water And Earth Pressures measurement pore pressure gauge according to claim 1, which is characterized in that the peace
It fills ring (7) and is equipped with more root cutting bars (11), be fixedly connected with limited block (12), the mounting ring at the top of the inserted link (11)
(7) it and is surround on stop collar (4) and is equipped with multiple sockets (13) corresponding with inserted link (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820661880.0U CN208109325U (en) | 2018-05-05 | 2018-05-05 | A kind of foundation pit Water And Earth Pressures measurement pore pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820661880.0U CN208109325U (en) | 2018-05-05 | 2018-05-05 | A kind of foundation pit Water And Earth Pressures measurement pore pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109325U true CN208109325U (en) | 2018-11-16 |
Family
ID=64114848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820661880.0U Expired - Fee Related CN208109325U (en) | 2018-05-05 | 2018-05-05 | A kind of foundation pit Water And Earth Pressures measurement pore pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411646A (en) * | 2019-07-09 | 2019-11-05 | 中铁十四局集团大盾构工程有限公司 | Formation pore hydraulic pressure force test device, production method and its application method after a kind of shield tunnel wall |
-
2018
- 2018-05-05 CN CN201820661880.0U patent/CN208109325U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411646A (en) * | 2019-07-09 | 2019-11-05 | 中铁十四局集团大盾构工程有限公司 | Formation pore hydraulic pressure force test device, production method and its application method after a kind of shield tunnel wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 |