CN110208495A - A kind of geotechnique interior CPT special instrument - Google Patents
A kind of geotechnique interior CPT special instrument Download PDFInfo
- Publication number
- CN110208495A CN110208495A CN201910605517.6A CN201910605517A CN110208495A CN 110208495 A CN110208495 A CN 110208495A CN 201910605517 A CN201910605517 A CN 201910605517A CN 110208495 A CN110208495 A CN 110208495A
- Authority
- CN
- China
- Prior art keywords
- hole
- cylinder
- stack shell
- cpt
- interior
- 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
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004575 stone Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 21
- 244000144985 peep Species 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 208000020442 loss of weight Diseases 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 23
- 230000003068 static effect Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 229920006395 saturated elastomer Polymers 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- -1 mechanics Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The invention discloses a kind of geotechnological interior CPT special instruments, including inner cylinder, outer cylinder and cylinder, the inner cylinder include: strip groove, stack shell, pedestal, mounting groove, flange and mounting hole；The bottom end of stack shell is integrally formed with pedestal, and integrally formed with flange, the surface of the flange is equidistantly provided with mounting hole on the top of the stack shell, and the surface of the stack shell is equidistantly provided with strip groove, and the inner wall side of the stack shell is provided with sensor mounting groove.The invention device is by being provided with six groups of strip grooves, using installing permeable stone in strip groove, the soil body in stack shell can either be obstructed, the pressure of the soil body can be resisted again, additionally it is possible to exchange free surface moisture in stack shell, so as to realize that saturated soil static sounding is tested, simultaneously, top-down six groups of strip grooves design enables to free surface moisture exchange in stack shell without hindrance, so that experimental data is more accurate.
Description
Technical field
The present invention relates to geotechnological laboratory experiment technical field, in particular to a kind of geotechnological interior CPT special instrument.
Background technique
Centrifugal modeling room be to soil properties carry out detection be laboratory.Centrifugal modeling room mainly undertakes soil sample system
Standby, native triaxial machining, the liquid limit of soil, plastic limit, the density of soil, the water content of soil, the compression of soil, the shearing of soil, the infiltration of soil, soil
Hit the test such as real.Soil is carried out just from the basic physical property of soil, mechanics, water reason etc. by a series of means of testing
True evaluation.
Currently, in static sounding experiment, there are no cylinder can be cooperated to apply pressure to the soil body, and it is swollen inside capable of resisting
The special instrument of swelling pressure power.
Summary of the invention
The main purpose of the present invention is to provide a kind of geotechnological interior CPT special instruments, can effectively solve background technique
The problems in.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of geotechnique interior CPT special instrument, including inner cylinder, outer cylinder and cylinder, the inner cylinder include: strip groove, stack shell, bottom
Seat, mounting groove, flange and mounting hole；
The bottom end of stack shell is integrally formed with pedestal, and the top of the stack shell is integrally formed with flange, between surface of the flange etc.
Away from mounting hole is provided with, the surface of the stack shell is equidistantly provided with strip groove, and the inner wall side of the stack shell is provided with sensor peace
Tankage；
The outer cylinder includes: that hanging hole, outer tube wall, upper cover hang hole, upper cover, limiting slot, pedestal, peep hole, aspirating hole, paddle hole
With vacuum meter mounting hole；
Integrally formed with hanging hole on the upside of the outer wall of the outer tube wall, the surface middle part of the outer tube wall is provided with two groups of peep holes, institute
The surface bottom end paddle hole of outer tube wall is stated, the top of the outer tube wall is provided with upper cover, the top middle portion one of the upper cover
It forming upper cover and hangs hole, the inner bottom of the outer tube wall is provided with limiting slot in the middle part of the pedestal integrally formed with pedestal,
The surface of the upper cover is provided with aspirating hole and vacuum meter mounting hole；
The cylinder includes: cylinder bottom, QY hole sealing ring, guidance tape, cylinder barrel, O-ring seal, front cover, dustband, fixed spiral shell
Bolt, guide rod, mounting hole, piston and QY axle sealing ring；
One end of the cylinder barrel is fixedly connected with cylinder bottom by fixing bolt, and the other end of the cylinder barrel is fixedly connected by screw
There is front cover, the inside of the cylinder barrel is socketed with piston, it is connected with guide rod in the middle part of the piston, the cylinder barrel and piston
Junction is provided with QY hole sealing ring, guidance tape and QY axle sealing ring, and the junction of the front cover and piston, which is provided with, leads
To band and dustband, the junction of the cylinder barrel and front cover is provided with O-ring seal.
Further, the length of the strip groove is equal to the height of stack shell, and the strip groove spaced set has 6.
Further, the surface scarfing of the strip groove has permeable stone.
Further, the junction of the upper cover and outer tube wall is sealing structure.
Further, external transparent pipe composition linker is used to observe water level between the peep hole.
Further, mounting hole is provided on the outside of the front cover.
Further, the piston is cirque structure, and is hollowed out in the middle part of piston, and loss of weight processing is done.
Compared with prior art, the invention has the following beneficial effects: the invention devices by being provided with six groups of strip grooves,
Using permeable stone is installed in strip groove, the soil body in stack shell can either be obstructed, and the pressure of the soil body can be resisted, additionally it is possible to make cylinder
Free surface moisture exchanges in body, so as to realize that saturated soil static sounding is tested, meanwhile, top-down six groups of strip grooves design,
Enable to free surface moisture exchange in stack shell without hindrance, so that experimental data is more accurate；
By being provided with paddle hole, convenient for filling the water and draining into cylinder, meanwhile, by being provided with the peep hole of different height,
Linker is formed by connection transparent pipe to be used to observe water level.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of inner cylinder of the invention；
Fig. 2 is the schematic top plan view of inner tube structure of the invention；
Fig. 3 is the schematic cross-sectional view of outer cylinder of the invention；
Fig. 4 is the overall structure diagram of outer cylinder of the invention；
Fig. 5 is the present invention looks up structural representation of outer cylinder of the invention；
Fig. 6 is structural representation of air cylinder of the invention；
Fig. 7 is the structural schematic diagram of one end of cylinder of the invention；
Fig. 8 is the structural schematic diagram of front cover of the invention；
Fig. 9 is the structural schematic diagram of piston of the invention.
In figure: 1, inner cylinder；11, strip groove；12, stack shell, 13, pedestal；14, mounting groove；15, flange；16, mounting hole；2,
Outer cylinder；21, hanging hole；22, outer tube wall；23, upper cover hangs hole；24, upper cover；25, limiting slot；26, pedestal；27, drainage hole；28, it infuses
Water hole；29, paddle hole；30, vacuum meter mounting hole；3, cylinder；31, cylinder bottom；32, QY hole sealing ring；33, guidance tape；34,
Cylinder barrel；35, O-ring seal；36, front cover；37, dustband；38, fixing bolt；39, guide rod；310, mounting hole；311, piston；
312, QY axle sealing ring.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in figs 1-9, a kind of geotechnological interior CPT special instrument, including inner cylinder 1, outer cylinder 2 and cylinder 3, the inner cylinder 1
It include: strip groove 11, stack shell 12, pedestal 13, mounting groove 14, flange 15 and mounting hole 16；
The bottom end of stack shell 12 is integrally formed with pedestal 13, and the top of the stack shell 12 is integrally formed with flange 15, the flange 15
Surface be equidistantly provided with mounting hole 16, the surface of the stack shell 12 is equidistantly provided with strip groove 11, the inner wall of the stack shell 12
Side is provided with sensor mounting groove 14；
The outer cylinder 2 include: hanging hole 21, outer tube wall 22, upper cover hang hole 23, upper cover 24, limiting slot 25, pedestal 26, peep hole 27,
Aspirating hole 28, paddle hole 29 and vacuum meter mounting hole 30；
Integrally formed with hanging hole 21 on the upside of the outer wall of the outer tube wall 22, the surface middle part of the outer tube wall 22 is provided with two groups of observations
Hole 27, the surface bottom end paddle hole 29 of the outer tube wall 22, the top of the outer tube wall 22 is provided with upper cover 24, the upper cover
24 top middle portion hangs hole 23 integrally formed with upper cover, and the inner bottom of the outer tube wall 22 is described integrally formed with pedestal 26
The middle part of pedestal 26 is provided with limiting slot 25, and the surface of the upper cover 24 is provided with aspirating hole 28 and vacuum meter mounting hole 30；
The cylinder 3 includes: cylinder bottom 31, QY hole sealing ring 32, guidance tape 33, cylinder barrel 34, O-ring seal 35, front cover 36, prevents
Konisphere 37, fixing bolt 38, guide rod 39, mounting hole 310, piston 311 and QY axle sealing ring 312；
One end of the cylinder barrel 34 is fixedly connected with cylinder bottom 31 by fixing bolt 38, and the other end of the cylinder barrel 34 passes through screw
It is fixedly connected with front cover 36, the inside of the cylinder barrel 34 is socketed with piston 311, and the middle part of the piston 311, which is connected with, leads
The junction of bar 39, the cylinder barrel 34 and piston 311 is provided with QY hole sealing ring 32, guidance tape 33 and QY axle sealing ring
312, the junction of the front cover 36 and piston 311 is provided with guidance tape 33 and dustband 37, the cylinder barrel 34 and front cover 36
Junction is provided with O-ring seal 35.
Wherein, the length of the strip groove 11 is equal to the height of stack shell 12, and 11 spaced set of strip groove has 6.
Wherein, the surface scarfing of the strip groove 11 has permeable stone.
Wherein, the junction of the upper cover 24 and outer tube wall 22 is sealing structure.
Wherein, external transparent pipe composition linker is used to observe water level between the peep hole 27.
Wherein, the outside of the front cover 36 is provided with mounting hole 310.
Wherein, the piston 311 is cirque structure, and is hollowed out in the middle part of piston 311, and loss of weight processing is done.
It should be noted that the present invention is a kind of geotechnological interior CPT special instrument,
Installation steps: it is laid with permeable stone along 2 inner wall of stack shell in the inside of strip groove 1 first, permeable stone is made to be close to 2 inner wall of stack shell simultaneously
It is paved in regular strip groove 1, then stack shell 2 is placed in outer cylinder, outer cylinder is the container that can store and shift moisture, then
The soil body to be detected is put into inside stack shell 2, then cylinder is mounted on flange 5, and is fixedly connected by mounting hole 6 with stack shell 2,
Cylinder pushes, and applies pressure to the soil body inside stack shell 2, the last 2 inside intracorporal moisture of soil of stack shell is flowed out by permeable stone, together
When be mounted on pressure sensor on sensor mounting groove 4 can soil pressure inside real-time detection stack shell 2, pressure sensor is
Commercially available any a, the shape of sensor mounting groove 4 can be according to the pressure sensor Adjusting Shape bought；
The cylinder is mounted on to the top of static sounding, so that front cover 6 is downwards, and passes through mounting hole 10 for the cylinder and experiment
Outer cylinder is fixedly connected, so that front cover 6 is closely connect with experiment outer cylinder, realizes sealing effect, while dustband 7 can prevent soil
In dust enter cylinder interior, and be provided with multiple sealing devices such as QY hole sealing ring 2, O-ring seal 5, realize sealing
Effect, so as to guarantee leakproofness and enough pressure when geotechnological indoor static sounding experiment.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of geotechnique interior CPT special instrument, including inner cylinder (1), outer cylinder (2) and cylinder (3), it is characterised in that: in described
Cylinder (1) includes: strip groove (11), stack shell (12), pedestal (13), mounting groove (14), flange (15) and mounting hole (16)；
The bottom end of stack shell (12) is integrally formed with pedestal (13), and the top of the stack shell (12) is integrally formed with flange (15), institute
The surface for stating flange (15) is equidistantly provided with mounting hole (16), and the surface of the stack shell (12) is equidistantly provided with strip groove (11),
The inner wall side of the stack shell (12) is provided with sensor mounting groove (14)；
The outer cylinder (2) includes: that hanging hole (21), outer tube wall (22), upper cover hang hole (23), upper cover (24), limiting slot (25), pedestal
(26), peep hole (27), aspirating hole (28), paddle hole (29) and vacuum meter mounting hole (30)；
Integrally formed with hanging hole (21) on the upside of the outer wall of the outer tube wall (22), the surface middle part of the outer tube wall (22) is provided with two
Group peep hole (27), the top of the surface bottom end paddle hole (29) of the outer tube wall (22), the outer tube wall (22) is provided with
The top middle portion of upper cover (24), the upper cover (24) is hung hole (23) integrally formed with upper cover, the inner bottom of the outer tube wall (22)
End is provided with limiting slot (25), the surface of the upper cover (24) is opened integrally formed with pedestal (26) in the middle part of the pedestal (26)
There are aspirating hole (28) and vacuum meter mounting hole (30)；
The cylinder (3) includes: cylinder bottom (31), QY hole sealing ring (32), guidance tape (33), cylinder barrel (34), O-ring seal
(35), front cover (36), dustband (37), fixing bolt (38), guide rod (39), mounting hole (310), piston (311) and QY axis are used
Sealing ring (312)；
One end of the cylinder barrel (34) is fixedly connected with cylinder bottom (31) by fixing bolt (38), the other end of the cylinder barrel (34)
It is fixedly connected with front cover (36) by screw, the inside of the cylinder barrel (34) is socketed with piston (311), the piston (311)
Middle part is connected with guide rod (39), the junction of the cylinder barrel (34) and piston (311) be provided with QY hole sealing ring (32),
The junction of guidance tape (33) and QY axle sealing ring (312), the front cover (36) and piston (311) is provided with guidance tape (33)
With dustband (37), the junction of the cylinder barrel (34) and front cover (36) is provided with O-ring seal (35).
2. a kind of geotechnological interior CPT special instrument according to claim 1, it is characterised in that: the strip groove (11)
Length is equal to the height of stack shell (12), and strip groove (11) spaced set has 6.
3. a kind of geotechnological interior CPT special instrument according to claim 1 or 2, it is characterised in that: the strip groove (11)
Surface scarfing have permeable stone.
4. a kind of geotechnological interior CPT special instrument according to claim 1, it is characterised in that: the upper cover (24) with outside
The junction of barrel (22) is sealing structure.
5. a kind of geotechnological interior CPT special instrument according to claim 1, it is characterised in that: the peep hole (27) it
Between external transparent pipe composition linker be used to observe water level.
6. a kind of geotechnological interior CPT special instrument according to claim 1, it is characterised in that: outside the front cover (36)
Side is provided with mounting hole (310).
7. a kind of geotechnological interior CPT special instrument according to claim 1, it is characterised in that: the piston (311) is circle
Ring structure, and hollowed out in the middle part of piston (311), do loss of weight processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605517.6A CN110208495A (en) | 2019-07-05 | 2019-07-05 | A kind of geotechnique interior CPT special instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605517.6A CN110208495A (en) | 2019-07-05 | 2019-07-05 | A kind of geotechnique interior CPT special instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110208495A true CN110208495A (en) | 2019-09-06 |
Family
ID=67796482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910605517.6A Pending CN110208495A (en) | 2019-07-05 | 2019-07-05 | A kind of geotechnique interior CPT special instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110208495A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942292A (en) * | 2021-02-03 | 2021-06-11 | 中国海洋大学 | Small-volume calibration tank for seabed soil static sounding test |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990040988U (en) * | 1998-05-12 | 1999-12-06 | 전해준 | Concrete cylinder mold |
| JP2001241030A (en) * | 2000-02-28 | 2001-09-04 | Oyo Corp | Static penetration testing equipment in bore hole equipped with boring function |
| CN205776141U (en) * | 2016-07-11 | 2016-12-07 | 中国地质大学（武汉） | Static cone penetration model test device |
| CN206496969U (en) * | 2016-12-02 | 2017-09-15 | 南京泰克奥科技有限公司 | A kind of balancing gate pit of soil test |
| CN211014271U (en) * | 2019-07-05 | 2020-07-14 | 中国地震局工程力学研究所 | Special instrument for civil engineering indoor CPT |
-
2019
- 2019-07-05 CN CN201910605517.6A patent/CN110208495A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990040988U (en) * | 1998-05-12 | 1999-12-06 | 전해준 | Concrete cylinder mold |
| JP2001241030A (en) * | 2000-02-28 | 2001-09-04 | Oyo Corp | Static penetration testing equipment in bore hole equipped with boring function |
| CN205776141U (en) * | 2016-07-11 | 2016-12-07 | 中国地质大学（武汉） | Static cone penetration model test device |
| CN206496969U (en) * | 2016-12-02 | 2017-09-15 | 南京泰克奥科技有限公司 | A kind of balancing gate pit of soil test |
| CN211014271U (en) * | 2019-07-05 | 2020-07-14 | 中国地震局工程力学研究所 | Special instrument for civil engineering indoor CPT |
Non-Patent Citations (1)
| Title |
|---|
| 吴波鸿;王贵和;刘宝林;王瑜;白士新;: "静力触探在海底土层工程性质评价中的应用研究", 科学技术与工程, no. 23, 18 August 2016 (2016-08-18) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942292A (en) * | 2021-02-03 | 2021-06-11 | 中国海洋大学 | Small-volume calibration tank for seabed soil static sounding test |
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