CN205483786U - Three -axial compression test's fixed seal device - Google Patents
Three -axial compression test's fixed seal device Download PDFInfo
- Publication number
- CN205483786U CN205483786U CN201620166991.5U CN201620166991U CN205483786U CN 205483786 U CN205483786 U CN 205483786U CN 201620166991 U CN201620166991 U CN 201620166991U CN 205483786 U CN205483786 U CN 205483786U
- Authority
- CN
- China
- Prior art keywords
- shrink tube
- rubber membrane
- seal device
- heat
- fixing seal
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a three -axial compression test's fixed seal device, include: pyrocondensation pipe, many adhesive tape, rubber membrane, hood, first sealing washer and second sealing washers. The bottom cover of pyrocondensation pipe is established on the triaxial apparatus base, and the soil sample is loaded to inside, many axial openings are seted up to the circumference of pyrocondensation pipe, many the adhesive tape is fixed respectively on many axial openings of pyrocondensation pipe, the rubber membrane cover is established on the pyrocondensation pipe, the hood is pressed and is established in the soil sample, the hood is tightly overlapped at the top of pyrocondensation pipe, the bottom at the rubber membrane is established to first sealed snare, the top at the rubber membrane is established to the sealed snare of second. This fixed seal device has improved coarse -grained soil sample three -axial compression test's success rate and precision greatly.
Description
Technical field
This utility model relates to Geotechnical Engineering field, particularly to consolidating of a kind of triaxial compression test
Determine sealing device.
Background technology
Instantly island development is rapid, and various countries begin to focus on the engineering problem during island is built.First,
The calcareous sand on island just becomes the object of study attached most importance to.The low breakable feature of calcareous sand intensity, passes through
When triaxial compression test research coarse grain calcareous sand crushes, owing to coral sand corner angle are clearly demarcated, enclose the lowest
Pressure is just poked rubber membrane, and test has been difficult to.Igelite cylinder of the prior art
Seal in fixing test, owing to igelite cylinder has the biggest constraint, make result of the test inclined
Greatly, risk is brought to design.
Sealed fixing device of the prior art is relatively big to the constraint of coarse-grained soil specimen, causes result of the test
Error bigger.
Utility model content
The fixing seal device of a kind of triaxial compression test that the application provides, solves or part solves
Sealed fixing device of the prior art is relatively big to the constraint of coarse-grained soil specimen, causes result of the test
The technical problem that error is bigger, it is achieved that be greatly improved the success rate of coarse-grained soil specimen triaxial compression test
Technique effect with precision.
This application provides the fixing seal device of a kind of triaxial compression test, including:
Heat-shrink tube, bottom is set on triaxial apparatus base, internal filling soil sample；The circle of described heat-shrink tube
The a plurality of axially open of Zhou Kaishe；
A plurality of adhesive tape, is separately fixed on a plurality of axially open of described heat-shrink tube；
Rubber membrane, is set on described heat-shrink tube；
Top cap, is pressed in described soil sample；Described top cap is tightly overlapped at the top of described heat-shrink tube；
First sealing ring, is set in the bottom of described rubber membrane；
Second sealing ring, is set in the top of described rubber membrane.
As preferably, described heat-shrink tube is igelite cylinder.
As preferably, the internal diameter of described rubber membrane is equal to the external diameter of described igelite cylinder.
As preferably, the material of described adhesive tape is igelite.
As preferably, described adhesive tape is adhesively fixed on the axially open of described heat-shrink tube, adhesive spots position
Top and bottom in described adhesive tape.
As preferably, the length of described adhesive tape is less than the axial length of described heat-shrink tube；
The width of described adhesive tape is more than the width of described axially open.
As preferably, described heat-shrink tube and described triaxial apparatus base are sealed fixing by described first sealing ring；
Described rubber membrane and described top cap are sealed fixing by described second sealing ring.
As preferably, described fixing seal device also includes:
Split cavity, is set on described rubber membrane, and the top of described rubber membrane turn up be tightly placed in described
The top of split cavity.
As preferably, when carrying out described triaxial compression test, described soil sample is filled in described heat-shrink tube；
Filter paper and permeable stone it is sequentially placed between described soil sample and described top cap.
One or more technical schemes provided herein, at least have the following technical effect that or advantage:
The heat-shrink tube of a plurality of axially open is equidistantly offered, the top of heat-shrink tube owing to have employed circumference
Tightly overlapping top cap, Rubber membrane cover is located on heat-shrink tube, and by the first sealing ring by heat-shrink tube and triaxial apparatus
Base seals fixing, seals fixing, by arranging pyrocondensation by the second sealing ring by rubber membrane and top cap
Pipe, is avoided that soil sample directly contacts rubber membrane, and the heat-shrink tube arranging a plurality of axially open reduces soil
The constraint of sample granule, and respectively to constraint uniformly, the error of result of the test can be reduced.So, efficient solution
Sealed fixing device of the prior art of having determined is relatively big to the constraint of coarse grain soil sample, causes result of the test
The technical problem that error is bigger, it is achieved that be greatly improved coarse grain soil sample triaxial compression test success rate and
The technique effect of precision.
Accompanying drawing explanation
The structure of the fixing seal device of the triaxial compression test that Fig. 1 provides for this utility model embodiment
Front view；
Fig. 2 is triaxial apparatus base in Fig. 1, igelite cylinder, rubber membrane and the first sealing ring
Installation diagram；
The structure of the fixing seal device of the triaxial compression test that Fig. 3 provides for this utility model embodiment
Top view.
(parts that in diagram, each label represents are followed successively by: 1 soil sample, 2 triaxial apparatus bases, 3 first close
Seal, 4 rubber membranes, 5 igelite cylinders, 6 top caps, 7 split cavities, 8 second sealing rings)
Detailed description of the invention
The fixing seal device of a kind of triaxial compression test that the embodiment of the present application provides, solves or portion
Point solve sealed fixing device of the prior art relatively big to the constraint of coarse-grained soil specimen, cause test
The technical problem that the error of result is bigger, offers the heat-shrink tube of a plurality of axially open, rubber by circumference
Glue film sleeve is located on heat-shrink tube, and rubber membrane, heat-shrink tube is sealed with triaxial apparatus base by sealing ring
Fixing, it is achieved that to be greatly improved the success rate of coarse-grained soil specimen triaxial compression test and the technology effect of precision
Really.
See accompanying drawing 1, this application provides the fixing seal device of a kind of triaxial compression test, including:
Heat-shrink tube, a plurality of adhesive tape, rubber membrane 4, top cap the 6, first sealing ring 3 and the second sealing ring 8.
The bottom of heat-shrink tube is set on triaxial apparatus base 2, internal filling soil sample 1；The circle of heat-shrink tube
Equidistantly offering a plurality of axially open week, wherein, heat-shrink tube is igelite cylinder 5.
A plurality of adhesive tape is separately fixed on a plurality of axially open of heat-shrink tube；Wherein, the material of adhesive tape is
Igelite.Adhesive tape is adhesively fixed on the axially open of heat-shrink tube, and adhesive spots is positioned at adhesive tape
Top and bottom.The length of adhesive tape is less than the axial length of heat-shrink tube；The width of adhesive tape is more than axially opening
The width of mouth.
Rubber membrane 4 is set on heat-shrink tube；First sealing ring 3 is set in the bottom of rubber membrane 4, will
Heat-shrink tube and triaxial apparatus base 2 seal fixing.Second sealing ring 8 is set in the top of rubber membrane 4.
Top cap 6 is connected by water pipe with triaxial apparatus base 2, and top cap 6 is pressed in soil sample 1, heat-shrink tube
Top cap 6 is tightly overlapped at top, and rubber membrane 4 is sealed fixing with top cap 6 by the second sealing ring 8.Rubber membrane 4
Internal diameter equal to the external diameter of igelite cylinder 5.
Further, seeing accompanying drawing 2 and 3, fixing seal device also includes: split cavity 7；Split cavity
7 are set on rubber membrane 4, and turn up and be tightly placed in the top of split cavity 7 in the top of rubber membrane 4.
Wherein, when carrying out triaxial compression test, soil sample 1 is filled in heat-shrink tube；In soil sample 1 successively
Placing filter paper, permeable stone and top cap 6, the top of heat-shrink tube is tightly placed in top cap 6, and by second
Rubber membrane 4 is sealed fixing with top cap 6 by sealing ring 8.
Below by specific embodiment to the fixing seal device of the triaxial compression test that the application provides
Structure and operation principle thereof are described in detail:
A diameter of 101mm of rubber membrane 4, wall thickness are 1mm, a length of 300mm.Heat-shrink tube is
Igelite cylinder 5, a diameter of 100mm, wall thickness 0.5mm, a length of 250mm.Poly-
The openning axially scratching a length of 210mm of multiple tracks of vinyl chloride plastic cylinder 5, draws every 20mm
Together, more mutually stagger by the adhesive tape that the material of 20mm is igelite and be bonded on openning, shape
The conclusion of the business fissure of displacement, it is ensured that coarse granule soil sample 1 is not directly contacted with rubber membrane 4.
The assembling process of this fixing seal device is:
Regulation by code " water power hydraulic engineering coarse-grained soil testing regulations " (DL/T 5356-2006)
Prepare soil sample 1, according to dry density moisture content and the sample size of test requirements document, weigh soil sample 1.Will
The soil sample 1 weighed stirs and decile four parts.
Igelite cylinder 5 is enclosed within triaxial apparatus base 2, is inserted in degree of depth 25mm, adjust
After igelite cylinder 5 is straight, make at the bottom of igelite cylinder 5 and triaxial apparatus with heat gun
Seat 2 contact is good, then rubber membrane 4 is enclosed within outside igelite cylinder 5, makes rubber membrane 4
It is close to igelite cylinder 5 and keeps straight, first sealing ring 3 on set bottom rubber membrane 4,
Carry out sealing.Split cavity 7 on the outer set of rubber membrane 4, being turned up the upper end of rubber membrane 4, it is right to be enclosed within
In die sinking 7, and make rubber membrane 4 and igelite cylinder 5 straight and be adjacent to the interior of split cavity 7
Wall.
Install soil sample 1 by code, put filter paper, permeable stone, top cap 6, igelite circle successively
Top cap 6 is tightly overlapped in cylinder 5 upper ends.Then igelite cylinder 5 is heated, by itself and top cap with heat gun
6 are fully contacted.Then rubber membrane 4 is fixed in top cap 6, then tightens the second sealing ring 8.
Finally carry out according to " water power hydraulic engineering coarse-grained soil testing regulations " (DL/T 5356-2006)
Remaining installation step.
One or more technical schemes provided herein, at least have the following technical effect that or advantage:
The heat-shrink tube of a plurality of axially open is equidistantly offered, the top of heat-shrink tube owing to have employed circumference
Tight set top cap 6, rubber membrane 4 is set on heat-shrink tube, and by the first sealing ring 3 by heat-shrink tube with
Triaxial apparatus base 2 seals fixing, seals fixing by rubber membrane 4 with top cap 6 by the second sealing ring 8,
By arranging heat-shrink tube, it is avoided that soil sample 1 directly contacts rubber membrane 4, a plurality of axially open is set
Heat-shrink tube reduces the constraint to soil sample 1 granule, and respectively to constraint uniformly, can reduce result of the test
Error.So, the sealed fixing device of the prior art constraint to coarse grain soil sample 1 is efficiently solved
Relatively big, cause the technical problem that the error of result of the test is bigger, it is achieved that be greatly improved coarse grain soil sample 1
The success rate of triaxial compression test and the technique effect of precision
Above-described detailed description of the invention, to the purpose of this utility model, technical scheme and useful effect
Fruit is further described, and be it should be understood that and the foregoing is only tool of the present utility model
Body embodiment, is not limited to this utility model, all in spirit of the present utility model with former
Within then, any modification, equivalent substitution and improvement etc. done, should be included in of the present utility model
Within protection domain.
Claims (9)
1. the fixing seal device of a triaxial compression test, it is characterised in that described fixing seal fills
Put and include:
Heat-shrink tube, bottom is set on triaxial apparatus base, internal filling soil sample；The circle of described heat-shrink tube
The a plurality of axially open of Zhou Kaishe；
A plurality of adhesive tape, is separately fixed on a plurality of axially open of described heat-shrink tube；
Rubber membrane, is set on described heat-shrink tube；
Top cap, is pressed in described soil sample；Described top cap is tightly overlapped at the top of described heat-shrink tube；
First sealing ring, is set in the bottom of described rubber membrane；
Second sealing ring, is set in the top of described rubber membrane.
2. fixing seal device as claimed in claim 1, it is characterised in that
Described heat-shrink tube is igelite cylinder.
3. fixing seal device as claimed in claim 2, it is characterised in that
The internal diameter of described rubber membrane is equal to the external diameter of described igelite cylinder.
4. fixing seal device as claimed in claim 1, it is characterised in that
The material of described adhesive tape is igelite.
5. fixing seal device as claimed in claim 4, it is characterised in that
Described adhesive tape is adhesively fixed on the axially open of described heat-shrink tube, and adhesive spots is positioned at described adhesive tape
Top and bottom.
6. fixing seal device as claimed in claim 1, it is characterised in that
The length of described adhesive tape is less than the axial length of described heat-shrink tube；
The width of described adhesive tape is more than the width of described axially open.
7. fixing seal device as claimed in claim 1, it is characterised in that
Described heat-shrink tube and described triaxial apparatus base are sealed fixing by described first sealing ring；
Described rubber membrane and described top cap are sealed fixing by described second sealing ring.
8. fixing seal device as claimed in claim 1, it is characterised in that described fixing seal fills
Put and also include:
Split cavity, is set on described rubber membrane, and the top of described rubber membrane turn up be tightly placed in described
The top of split cavity.
9. fixing seal device as claimed in claim 1, it is characterised in that
When carrying out described triaxial compression test, described soil sample is filled in described heat-shrink tube；
Filter paper and permeable stone it is sequentially placed between described soil sample and described top cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620166991.5U CN205483786U (en) | 2016-03-04 | 2016-03-04 | Three -axial compression test's fixed seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620166991.5U CN205483786U (en) | 2016-03-04 | 2016-03-04 | Three -axial compression test's fixed seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205483786U true CN205483786U (en) | 2016-08-17 |
Family
ID=56658403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620166991.5U Expired - Fee Related CN205483786U (en) | 2016-03-04 | 2016-03-04 | Three -axial compression test's fixed seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205483786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896403A (en) * | 2018-05-14 | 2018-11-27 | 水利部交通运输部国家能源局南京水利科学研究院 | Measure the Triaxial tester and method of coarse-grained soil rubber-oil-pipe sensor amount |
-
2016
- 2016-03-04 CN CN201620166991.5U patent/CN205483786U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896403A (en) * | 2018-05-14 | 2018-11-27 | 水利部交通运输部国家能源局南京水利科学研究院 | Measure the Triaxial tester and method of coarse-grained soil rubber-oil-pipe sensor amount |
| CN108896403B (en) * | 2018-05-14 | 2020-12-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Triaxial test device and method for measuring embedding amount of coarse-grained soil rubber membrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170304 |