CN208621476U - A kind of permeability apparatus of close-coupled geotextile Vertical permeameter - Google Patents
A kind of permeability apparatus of close-coupled geotextile Vertical permeameter Download PDFInfo
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- CN208621476U CN208621476U CN201821390447.4U CN201821390447U CN208621476U CN 208621476 U CN208621476 U CN 208621476U CN 201821390447 U CN201821390447 U CN 201821390447U CN 208621476 U CN208621476 U CN 208621476U
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- geotextile
- ring
- infiltration
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Abstract
The utility model belongs to rock and soil engineering detection technical field, disclose a kind of permeability apparatus of close-coupled geotextile Vertical permeameter, including overflowing shell, bulge loop, with the supporting shell for overflowing sealed connection at the top of shell, the positioning shell overflowed between shell and supporting shell is set, it is placed in the infiltration bucket of supporting shell top center, the spilling shell bottom is equipped with overfall, positioning ring is equipped in overfall, positioning shell is threadedly coupled by the way that the screw rod of its bottom is arranged in the positioning ring for overflowing shell, recessed permeable tank is equipped at the top of the supporting shell, infiltration groove center sets slot window, infiltration bucket is set in permeable tank, the infiltration bucket bottom center is equipped with bucket window, the bottom for permeating bucket is equipped with outer ring, replaceable geotextile is equipped between the bottom surface of outer ring and the top surface of permeable tank, pressure ring is equipped at the top of the ring of outer.The utility model structure is compact to design, it can be achieved that minimizing, the Vertical permeameter of portability, and in detection process, geotextile packing efficiency is much higher than conventional bolt retainer instrument.
Description
Technical field
The utility model relates to rock and soil engineering detection technical field, in particular to a kind of close-coupled geotextile vertically permeates
The permeability apparatus of instrument.
Background technique
Geosynthetics is general name and the geotechnical engineering field of synthetic polymeric's material for civil engineering construction
New Building Materials, geotextile is layered under revetment by Fla. in 1958 makees erosion control bed course, is acknowledged as
It is the beginning that geosynthetics is applied to geotechnical engineering, is embedded in the soil body, forms reinforced earth.It was verified that reinforced earth
The performances such as tension, the shearing resistance of the soil body can be effectively improved, the advantage of material and technology is increasingly approved by engineering circles, geotechnique's synthesis
Material technology has become the research hotspot in geotechnical engineering field.
Geosynthetics major function has filtering, draining, isolation and reinforcement, geosynthetics with the development of technology
It is broadly divided into: geotextile, geomembrane, extraordinary geosynthetics, composite geosynthetics.
One word of geotextile is to be put forward first by J.P.Giroud and J.Perfetti in 1977 earliest, they
Permeable geosynthetics is known as " geotextile ", can be divided into nonweaven geotextile with physical characteristic by its manufacturing method and had
Geotextile is spun, wherein the vertical permeability coefficient of geotextile is important parameter index.
Existing geotextile Vertical permeameter volume is larger, is not easy to carry and carry, resulting structure accounts for total volume ratio
It is extremely low, and assembling is time-consuming more in experimental project, if obtaining average infiltration coefficient, needs time-consuming several hours, greatly increases
Testing cost.
Utility model content
In order to overcome disadvantages described above, technical problem to be solved by the utility model is: proposing a kind of close-coupled geotextile
The permeability apparatus of Vertical permeameter, have it is compact-sized, it is easy to carry, and test and assemble fireballing advantage.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of close-coupled geotextile vertically permeates
The permeability apparatus of instrument, including shell is overflowed, bulge loop, with the supporting shell for overflowing sealed connection at the top of shell, shell and support are being overflowed in setting
Positioning shell between shell, is placed in the infiltration bucket of supporting shell top center, and the spilling shell bottom is equipped with overfall, sets in overfall
There is positioning ring, positioning shell is threadedly coupled by the way that the screw rod of its bottom is arranged in the positioning ring for overflowing shell, and the front end of screw rod passes through
Positioning ring is threadedly coupled with nut, and recessed permeable tank is equipped at the top of the supporting shell, and infiltration groove center sets slot window, and infiltration bucket is set
It is placed in permeable tank, the infiltration bucket bottom center is equipped with bucket window, and the bottom for permeating bucket is equipped with outer ring, the bottom surface of ring in outer
It is equipped with replaceable geotextile between the top surface of permeable tank, pressure ring, the internal diameter and infiltration bucket of pressure ring are equipped at the top of the ring of outer
Outer diameter be adapted.
Be arranged such: the cavity for overflowing shell and supporting shell formation is separated into water area and leak area, water area by positioning shell
Tested geotextile can be kept to be completely sunk in the water, for draining, the water flowed into infiltration bucket can be knitted by geotechnique in leak area
Object penetrates into positioning shell, and the water beyond positioning shell capacity is flowed out through the conical surface from overfall；Geotechnique is sequentially placed into permeable tank to knit
Object, infiltration bucket and pressure ring, rotary buckle, that is, compressible geotextile, installation, easy to change, the infiltration dress as Vertical permeameter
It sets, present apparatus smart structural design, compact, resulting structure accounts for total volume than high, in addition compatible close-coupled circuit and pipeline
, it can be achieved that miniaturization, the Vertical permeameter product of portability can sample detection at the construction field (site) for design.
Further setting: it is equipped with seal groove at the top of the spilling shell, is equipped with compatible sealing ring in the seal groove, overflows
The sealing bottom surface of the top surface of shell and supporting shell connects out, and the inner bottom surface for overflowing shell is equipped with the conical surface.
Be arranged such: seal groove and sealing ring can prevent this permeability apparatus in infiltration bucket and spilling as impermeable structure
Position other than mouthful is permeated, and Vertical permeameter circuit part is caused to meet water short circuit；The planar design of conical surface design comparison can be fast
Speed draining avoids planar design from generating error in the sampling of electromagnetism Vavle switching.
Further setting: the bottom surface of the positioning shell is equipped with dagger, and the bottom surface of the dagger is adapted with the conical surface, works as dagger
When being against on the conical surface, the top surface of shell is positioned not less than infiltration bucket inner bottom surface, and be lower than the bottom surface of supporting shell.
Be arranged such: for dagger for limiting, constraint screw rod screws in the depth of positioning ring, and Rapid tooling both can guarantee that geotechnique knitted
Object is completely sunk in the water, while also can guarantee that the water beyond positioning shell storage can overflow.
Further setting: the slot window is consistent with the form factor of bucket window, and coaxial.
Be arranged such: slot window is consistent with the form factor of bucket window, can accurately obtain tested geotextile area A to be detected
Value.
Further setting: the infiltration bucket is transparent material, and the outside for permeating bucket is equipped with scale, and " 0 " of the scale is carved
Degree line is flushed with the top surface for positioning shell.
Be arranged such: transparent material can quickly read water-head △ h value convenient for observation water level, to guarantee that geotextile is complete
Complete immersion in water, positions water level in shell and is higher than infiltration bucket bottom surface, is i.e. " 0 " graduation mark of infiltration bucket should be neat to position the top surface of shell
It is flat.
Further setting: the infiltration bucket bottom surface is coplanar with outer ring bottom surface, and infiltration bucket bottom is equipped with bulge loop, the bulge loop
Internal diameter be not less than the diameter of slot window, the outer diameter of the outer diameter of bulge loop no more than infiltration bucket.
Be arranged such: bulge loop is pressed into geotextile, effectively prevent side leakage, and can flatten the soil to be measured being placed in above slot window
Work fabric sample.
Further setting: the outer ring, geotextile, the outer diameter of pressure ring are equal, and are equal to the internal diameter of permeable tank.
Further setting: the outer ring, geotextile, the outer diameter of pressure ring are equal, and are equal to the internal diameter of permeable tank.
Be arranged such: the outer diameter of the outer ring, geotextile and pressure ring is equal to the internal diameter of permeable tank, is convenient for tooling, ruler
It is very little consistent, simply it is put into.
Further setting: the top of the supporting shell is equipped with several buckles, the distance of the bulge loop bottom surface to pressure ring top surface
Equal to permeable tank top surface to buckle bottom surface distance.
It is arranged such: after buckle rotation, the upward freedom degree of constraint pressure ring, because of the distance etc. of bulge loop bottom surface to pressure ring top surface
In permeable tank top surface to buckle bottom surface distance, bulge loop can be pressed into geotextile, and buckle is compared to conventional bolt fixed operation speed
Degree greatly improves, and average infiltration coefficient is detected and saves human cost.
Compared to the prior art, the utility model has the following beneficial effects: 1, structure is compact to design, resulting structure Zhan is total
Volume ratio is high, and compatible close-coupled circuit and circuit design are, it can be achieved that miniaturization, the Vertical permeameter of portability produce in addition
Product, can sample detection at the construction field (site)；2, in detection process, geotextile packing efficiency is much higher than conventional bolt retainer instrument,
It is more suitable for the infiltration coefficient detection that is accurately averaged.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the explosive view of the utility model.
Fig. 3 is the three-dimensional cutaway view of the utility model.
Fig. 4 is the structural schematic diagram that the utility model overflows shell.
Fig. 5 is the structural schematic diagram that the utility model positions shell.
Fig. 6 is the utility model using renderings.
1. spilling shell in figure, 11. overfalls, 12. positioning rings, 13. nuts, 14. conical surfaces, 15. seal grooves, 16. sealing rings,
2. shell is positioned, 21. daggers, 22. screw rods, 3. supporting shells, 31. permeable tanks, 32. slot windows, 4. infiltration buckets, 41. barrels of windows, 42. scales,
43. outer ring, 44. bulge loops, 5. pressure rings, 6. buckles, 7. geotextiles.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art's every other embodiment obtained belong to the application protection
Range.
The utility model embodiment provides a kind of permeability apparatus of close-coupled geotextile Vertical permeameter, as shown in Figure 1 to Figure 4
It is shown, a kind of permeability apparatus of close-coupled geotextile Vertical permeameter, including shell 1 is overflowed, bulge loop 44, with 1 top of spilling shell
The supporting shell 3 of sealed connection is arranged in the positioning shell 2 overflowed between shell 1 and supporting shell 3, is placed in the infiltration of 3 top center of supporting shell
Saturating bucket 4,1 bottom of spilling shell are equipped with overfall 11, positioning ring 12 are equipped in overfall 11, positioning shell 2 is by being arranged at it
The screw rod 22 of bottom is threadedly coupled with the positioning ring 12 for overflowing shell 1, and the front end of screw rod 22 passes through positioning ring 12 and 13 screw thread of nut
It connects, recessed permeable tank 31 is equipped at the top of the supporting shell 3,31 center of permeable tank sets slot window 32, and infiltration bucket 4 is set to infiltration
In slot 31,4 bottom center of infiltration bucket is equipped with bucket window 41, and the bottom of infiltration bucket 4 is equipped with outer ring 43, the bottom of ring 43 in outer
It is equipped with replaceable geotextile 7 before face and the top surface of permeable tank 31, is equipped with pressure ring 5, the internal diameter of pressure ring 5 at the top of outer ring 43
It is adapted with the outer diameter of infiltration bucket 4.The cavity for overflowing shell 1 and the formation of supporting shell 3 is separated into water area and leak by positioning shell 2
Area, water area can keep tested geotextile 7 to be completely sunk in the water, and leak area flows into the water meeting in infiltration bucket 4 for draining
It is penetrated into positioning shell 2 by geotextile 7, the water beyond positioning 2 capacity of shell is flowed out through the conical surface 14 from overfall 11；Permeable tank
Geotextile 7, infiltration bucket 4 and pressure ring 5 are sequentially placed into 31, rotary buckle 6 is compressible geotextile 7.
It is equipped with seal groove 15 at the top of the spilling shell 1, is equipped with compatible sealing ring 16 in the seal groove 15, overflows shell
1 top surface is connect with the sealing bottom surface of supporting shell 3, and the inner bottom surface for overflowing shell 1 is equipped with the conical surface 14.Seal groove 15 and sealing ring 16 are made
For impermeable structure, it can prevent this permeability apparatus from permeating in infiltration bucket 4 and the position overflowed other than 11 mouthfuls.
The slot window 32 is consistent with the form factor of bucket window 41, and coaxial.Slot window 32 and the form factor of bucket window 41 are equal
Unanimously, tested geotextile 7 area A value to be detected can accurately be obtained.
The infiltration bucket 4 be transparent material, infiltration bucket 4 outside be equipped with scale 42, " 0 " graduation mark of the scale 42 with
The top surface of positioning shell 2 flushes.Transparent material can quickly read water-head △ h value convenient for observation water level, to guarantee geotextile 7
It is completely sunk in the water, positions water level in shell 2 and be higher than infiltration 4 bottom surface of bucket, that is, permeate " 0 " graduation mark of bucket 4 to position the top of shell 2
Face flushes.
4 bottom surface of infiltration bucket is coplanar with 43 bottom surface of outer ring, and infiltration 4 bottom of bucket is equipped with bulge loop 44, the bulge loop 44
Internal diameter is not less than the diameter of slot window 32, and the outer diameter of bulge loop 44 is no more than the outer diameter for permeating bucket 4.Bulge loop 44 is pressed into geotextile 7,
It is effectively prevent side leakage, and 7 sample of geotextile to be measured for being placed in 32 top of slot window can be flattened.
The outer ring 43, geotextile 7, the outer diameter of pressure ring 5 are equal, and are equal to the internal diameter of permeable tank 31, are convenient for tooling.
The top of the supporting shell 3 is equipped with several buckles 6, and the distance of 44 bottom surface of bulge loop to 5 top surface of pressure ring, which is equal to, seeps
31 top surface of through groove to buckle 6 bottom surface distances.After 6 rotation of buckle, the upward freedom degree of constraint pressure ring 5, because of 44 bottom surface of bulge loop to pressure
The distance of 5 top surface of ring is equal to 31 top surface of permeable tank to 6 bottom surface distances of buckle, and bulge loop 44 can be pressed into geotextile 7.
As shown in figure 5, the bottom surface of the positioning shell 2 is equipped with dagger 21, the bottom surface of the dagger 21 is adapted with the conical surface 14,
When dagger 21 is against on the conical surface 14, the top surface of positioning shell 2 is lower than the bottom surface of supporting shell 3 not less than infiltration 4 inner bottom surface of bucket.
For dagger 21 for limiting, constraint screw rod 22 screws in the depth of positioning ring 12, and Rapid tooling both can guarantee that geotextile 7 was completely soaked
In water, while also can guarantee the water beyond positioning 2 storage of shell can overflow.
As shown in fig. 6, the utility model is the permeability apparatus part of geotextile Vertical permeameter, effect is, optimization
The bulky drawback of existing permeameter, simplifies the tooling operation in detection process, and the utility model itself is not directly used for
Infiltration coefficient is measured, need to be used cooperatively with electromagnetic valve pipeline and control system；
Before use, a kind of set-up mode has: inlet valve and water inlet pipe is arranged above infiltration bucket 4, below overfall 11
Tee tube is set, two exits of tee tube are respectively connected to one 22 logical solenoid valves, one be it is normally opened, one be it is normally closed, often
Open electromagnetic valve connects waste pipe, and normally closed solenoid valve connects graduated cylinder, and solenoid valve is connect with counter controller electric appliance, finally by the utility model
It places horizontal fixed；
In use, the geotextile 7 impregnated 24 hours is laid in permeable tank 31, and sample thickness δ is obtained, then will
Infiltration bucket 4 lies in 7 top of geotextile, and obtains the face amount of barrel window 41, i.e. sample discharge area A is put on outer ring 43
Pressure ring 5 is set, the rotation of buckle 6 is then pressed in 5 top of pressure ring；
Detection starts: the first sustained water injection into infiltration bucket 4, after overfall 11 there are flowing out, water level is quiet in bucket 4 to be infiltrated
Only, at this point, water level is then turned on water valve on " 0 " graduation mark, the flow velocity of water is controlled, rises to infiltration 4 water level of bucket persistently greatly
In a certain position of 10mm, adjusting water flow velocity remain stationary water level in infiltration bucket 4, i.e. acquisition top and bottom water-head △ h is kept
It after this state 30s, is powered on simultaneously to 2 solenoid valves, and timing, after the t time, measures the water percolating capacity ω in graduated cylinder, substitute into infiltration
Rate formula tables look-up and obtains the coefficient of dynamic viscosity ratio of water, can be obtained the infiltration coefficient of detected geotextile 7.
The utility model, structure is compact to design, cooperate compact design circuit and electromagnetic valve pipeline, it can be achieved that miniaturization,
The Vertical permeameter product of portability, convenient for detecting at the construction field (site).
The utility model embodiment is described in detail above, specific case used herein is to the utility model
Principle and embodiment be expounded, the method for the above embodiments are only used to help understand the utility model and
Its core concept；At the same time, for those skilled in the art, based on the idea of the present invention, in specific embodiment
And there will be changes in application range, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of permeability apparatus of close-coupled geotextile Vertical permeameter, including shell (1) is overflowed, bulge loop (44), with spilling shell
(1) supporting shell (3) that top is tightly connected is arranged and is overflowing the positioning shell (2) between shell (1) and supporting shell (3), is placed in support
The infiltration bucket (4) of shell (3) top center, which is characterized in that the spilling shell (1) bottom is equipped with overfall (11), overfall
(11) positioning ring (12) are equipped in, positioning shell (2) passes through the screw rod (22) that its bottom is arranged in and overflows the positioning ring of shell (1)
(12) it is threadedly coupled, the front end of screw rod (22) passes through positioning ring (12) and is threadedly coupled with nut (13), at the top of the supporting shell (3)
Equipped with recessed permeable tank (31), permeable tank (31) center is set slot window (32), and infiltration bucket (4) is set in permeable tank (31), institute
It states infiltration bucket (4) bottom center and is equipped with bucket window (41), the bottom of infiltration bucket (4) is equipped with outer ring (43), the ring (43) in outer
It is equipped with replaceable geotextile (7) before bottom surface and the top surface of permeable tank (31), is equipped with pressure ring (5) at the top of outer ring (43),
The internal diameter of pressure ring (5) is adapted with the outer diameter of infiltration bucket (4).
2. a kind of permeability apparatus of close-coupled geotextile Vertical permeameter according to claim 1, it is characterised in that: institute
It states to overflow and is equipped with seal groove (15) at the top of shell (1), be equipped with compatible sealing ring (16) in the seal groove (15), overflow shell
(1) top surface is connect with the sealing bottom surface of supporting shell (3), and the inner bottom surface for overflowing shell (1) is equipped with the conical surface (14).
3. a kind of permeability apparatus of close-coupled geotextile Vertical permeameter according to claim 1 or 2, feature exist
In: the bottom surface of positioning shell (2) is equipped with dagger (21), and the bottom surface of the dagger (21) is adapted with the conical surface (14), works as dagger
(21) when being against on the conical surface (14), the top surface of positioning shell (2) is lower than the bottom of supporting shell (3) not less than infiltration bucket (4) inner bottom surface
Face.
4. a kind of permeability apparatus of close-coupled geotextile Vertical permeameter according to claim 1, it is characterised in that: institute
It is consistent with the form factor of bucket window (41) to state slot window (32), and coaxial.
5. a kind of permeability apparatus of close-coupled geotextile Vertical permeameter according to claim 1, it is characterised in that: institute
Stating infiltration bucket (4) is transparent material, and the outside of infiltration bucket (4) is equipped with scale (42), " 0 " graduation mark of the scale (42) and fixed
The top surface of position shell (2) flushes.
6. a kind of permeability apparatus of close-coupled geotextile Vertical permeameter according to claim 1, it is characterised in that: institute
It is coplanar with outer ring (43) bottom surface to state infiltration bucket (4) bottom surface, infiltration bucket (4) bottom is equipped with bulge loop (44), the bulge loop (44)
Internal diameter is not less than the diameter of slot window (32), and the outer diameter of bulge loop (44) is no more than the outer diameter for permeating bucket (4).
7. a kind of permeability apparatus of close-coupled geotextile Vertical permeameter according to claim 1, it is characterised in that: institute
It states that outer ring (43), geotextile (7), the outer diameter of pressure ring (5) are equal, and is equal to the internal diameter of permeable tank (31).
8. a kind of permeability apparatus of close-coupled geotextile Vertical permeameter according to claim 1 or 6, feature exist
In: the top of the supporting shell (3) is equipped with several buckles (6), and the distance of bulge loop (44) bottom surface to pressure ring (5) top surface is equal to
Permeable tank (31) top surface to buckle (6) bottom surface distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821390447.4U CN208621476U (en) | 2018-08-28 | 2018-08-28 | A kind of permeability apparatus of close-coupled geotextile Vertical permeameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821390447.4U CN208621476U (en) | 2018-08-28 | 2018-08-28 | A kind of permeability apparatus of close-coupled geotextile Vertical permeameter |
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| Publication Number | Publication Date |
|---|---|
| CN208621476U true CN208621476U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821390447.4U Expired - Fee Related CN208621476U (en) | 2018-08-28 | 2018-08-28 | A kind of permeability apparatus of close-coupled geotextile Vertical permeameter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220528A (en) * | 2020-03-04 | 2020-06-02 | 龙游讴凡纳米材料有限公司 | Waterproof testing arrangement of nanofiber fabric |
-
2018
- 2018-08-28 CN CN201821390447.4U patent/CN208621476U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220528A (en) * | 2020-03-04 | 2020-06-02 | 龙游讴凡纳米材料有限公司 | Waterproof testing arrangement of nanofiber fabric |
| CN111220528B (en) * | 2020-03-04 | 2020-10-30 | 常熟市全申化纤有限公司 | Waterproof testing arrangement of nanofiber fabric |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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