CN207351847U - A kind of experimental rig for being used to examine stickiness soil sample uniformity - Google Patents
A kind of experimental rig for being used to examine stickiness soil sample uniformity Download PDFInfo
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- CN207351847U CN207351847U CN201721484392.9U CN201721484392U CN207351847U CN 207351847 U CN207351847 U CN 207351847U CN 201721484392 U CN201721484392 U CN 201721484392U CN 207351847 U CN207351847 U CN 207351847U
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Abstract
The utility model discloses a kind of experimental rig for being used to examine stickiness soil sample uniformity, and it is big and insecure to solve the problems, such as that existing method carries out the soil sample of clayed soil inefficiency, test result error during dry density uniformity test.The utility model includes cutting ring, crimping seat and cutting ring pressure head, cutting ring is internally provided with cross one another partition plate, the inner space of cutting ring is divided into several soil sample memory blocks by partition plate, the crimp column being adapted with each soil sample memory block is provided with the cutting ring pressure head, the length of crimp column is more than the height of cutting ring, the crimping seat includes upper cylinder straight-through up and down and the base being connected to each other with upper cylinder, the position that upper cylinder and base are connected to each other offers the card slot for installing cutting ring, bottom surface after the fully-inserted cutting ring of crimp column and the vertical height between the upper bottom surface of base are more than the height of cutting ring.The utility model is not only simple in structure, practical function, test error are small, and application method is simple and reliable.
Description
Technical field
Laboratory soil test technical field is the utility model is related to, is particularly related to a kind of for examining stickiness soil sample uniformity
Experimental rig.
Background technology
Laboratory soil test is to obtain soil strength, consolidation, the common method of permeability parameters, wherein preparation of soil sample quality
Quality be affecting parameters accurately whether key.In engineering investigation, also often commenting for its strength character is carried out using cutting ring soil sample
Valency.In mechanics parameter test is carried out, the uniformity of soil sample in itself is particularly significant, but is found during testing, due to dissipating soil
The many factors such as particle influence, and Density inhomogeneity phenomenon occurs in the preparation quality of cutting ring soil sample.For example for cohesive soil, match somebody with somebody
Certain aggregate can be formed when putting different water cut soil sample, aggregate can cause in cutting ring preparation of soil sample quality control is carried out
Serious influence, wherein with prepare soil sample dry density cutting ring diverse location distribution in whether uniformly it is mostly important.
At present, in cutting ring soil sample uniformity evaluating method is carried out, part is cut frequently with from the cutting ring soil sample of preparation
After soil sample block, dry density test is carried out by method of sealing with wax, and then examine the uniformity of soil sample.But cut irregular size soil
Sample carries out dry density test, and often there are following defect：First, cutting can cause to disturb to soil sample in itself in cutting soil process, sternly
Evaluation result of the ghost image sound to soil sample uniformity；Second, when wax coating method carries out dry density calculating for surface with the presence of micropore soil sample
Certain error, this has surface, and the stickiness soil sample of obvious hole is especially notable, and it is bigger than normal that this also causes it to test dry density result；Three
It is wax coating method time and effort consuming, it is less efficient.Therefore, there is an urgent need for design a kind of cutting ring soil sample uniformity testing dress for carrying out cohesive soil
Put, come the work efficiency for obtaining accurate soil body physical and mechanical parameter and improving cutting ring soil sample Evaluation for Uniformity.
Utility model content
For the defects of above-mentioned background technology, the utility model proposes a kind of examination for being used to examine stickiness soil sample uniformity
Experiment device, solves existing method and inefficiency, test result during dry density uniformity test is carried out to the soil sample of clayed soil
The big and insecure problem of error.
What the technical solution of the utility model was realized in：It is a kind of to be used to examine the experiment of stickiness soil sample uniformity to fill
Put, including cutting ring, crimping seat and cutting ring pressure head, cutting ring is internally provided with cross one another partition plate, and partition plate is by the inside of cutting ring
Space is divided into several soil sample memory blocks, and the crimping being adapted with each soil sample memory block is provided with the cutting ring pressure head
Column, the length of crimp column are more than the height of cutting ring, and the crimping seat includes upper cylinder straight-through up and down and the bottom being connected to each other with upper cylinder
Seat, the position that upper cylinder and base are connected to each other offer the card slot for installing cutting ring, and the cross-sectional area inside base and upper cylinder is big
Vertical height between the bottom surface and the upper bottom surface of base after the cross-sectional area of cutting ring, the fully-inserted cutting ring of crimp column is more than
The height of cutting ring.
Further, the cutting ring is circular ring shape, and upper cylinder and base are the cylindrical structure to match with cutting ring, upper cylinder and
The internal diameter of base is all higher than the internal diameter of cutting ring.
Further, the partition plate includes two transverse slats being parallel to each other and two stringer boards being parallel to each other, transverse slat and vertical
Plate is arranged in a mutually vertical manner by crack the inner space of cutting ring being divided into nine soil sample memory blocks, and nine soil sample memory blocks include
First soil sample storage group, the second soil sample storage group and the 3rd soil sample storage group, the first soil sample storage group and the second soil sample storage group
Include the identical soil sample memory block of four volumes, the 3rd soil sample storage group is a square soil sample memory block.
Further, the cross section of the cutting ring is rectangle, and upper cylinder and base are the cutting ring phase for rectangle with cross section
Matched rectangle barrel structure.
Further, the partition plate includes two transverse slats being parallel to each other and two stringer boards being parallel to each other, transverse slat and vertical
Plate is arranged in a mutually vertical manner is divided into the identical soil sample memory block of nine volumes by the inner space of cutting ring.
Further, the cutting ring pressure head further includes force-transmitting pole, limiting plate, and the radial dimension of limiting plate is more than the footpath of cutting ring
To size, force-transmitting pole is arranged on the center of limiting plate upper surface, and the crimp column is arranged on limiting plate lower face.
Further, some stress dispersion holes are provided with the partition plate, stress dispersion hole has different apertures.
The utility model is provided with the cutting ring of partition plate, and the mesh of multiple density uniformities to be detected can be obtained with primary sample
Mark average dry density soil sample, it is convenient and efficient and cost-effective, it is most important that can to avoid multiple sampling and caused by error
It is excessive, it ensure that the reliability of density uniformity detection；The cutting ring pressure head coordinated with cutting ring is set, it is ensured that will be each in cutting ring
Soil sample block in a soil sample storage region is whole and fully releases, and further ensures the reliability of soil samples and detecting；Set by
The crimping seat that upper cylinder and base are formed, not only can quickly mount and dismount cutting ring, but also the soil sample block easy to be squeezed out
Taking-up, ensure that soil sample block from breakage, ensure that the accurate measurement of soil sample block product, that is, further ensure density of soil sample
The reliability of uniformity detection；Stress dispersion hole is set on partition plate, can be not connected to avoid each soil sample memory block, avoid
Cause the density difference of different soil sample memory blocks larger and seriously affect the consequence of test reliability.
Brief description of the drawings
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, drawings in the following description are 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, other attached drawings can also be obtained according to these attached drawings.
Schematic cross-sectional view when Fig. 1 is the assembling of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the top view of cutting ring in Fig. 1；
Fig. 4 is the structure diagram of partition plate in Fig. 1；
Fig. 5 is the front view of cutting ring pressure head in Fig. 1；
Fig. 6 is the bottom view of Fig. 5.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making the creative labor
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1 and Figure 2, a kind of experimental rig for being used to examine stickiness soil sample uniformity, embodiment 1：Including circular ring shape
Cutting ring 1, crimping seat 2 and cutting ring pressure head 3, by cutting ring 1 be arranged to circular ring shape be easy to and existing soil test corollary apparatus phase
Match somebody with somebody, avoid the soil test device that redesign is adapted with the cutting ring 1 in the utility model.Cutting ring 1 be internally provided with every
Plate 101, partition plate 101 include two transverse slats being parallel to each other and two stringer boards being parallel to each other, and transverse slat and stringer board pass through crack 106
It is arranged in a mutually vertical manner, the inner space of cutting ring is divided into nine soil sample memory blocks, nine soil sample memory blocks include the first soil sample
Storage group 102, the second soil sample storage group 103 and the 3rd soil sample storage group 104, the first soil sample storage group 102 and the second soil sample are deposited
Storage group 103 includes the identical soil sample memory block of four volumes, and the 3rd soil sample storage group 104 is a square soil sample storage
Area.Soil sample memory block is arranged to the different region of volume, contrast test can be done, and then result of the test more accurately may be used
Lean on.
The crimping seat 2 includes upper cylinder 201 straight-through up and down and the base 202 being connected to each other with upper cylinder 201, upper 201 He of cylinder
Base 202 is the cylindrical structure to match with cutting ring 1, and the position that upper cylinder 201 and base 202 are connected to each other is offered for installing
The card slot 203 of cutting ring 1.The crimping seat 2 being made of upper cylinder 201 and base 202 is set, not only can quickly mount and dismount ring
Knife 1, and the taking-up of the soil sample block easy to be squeezed out, ensure that soil sample block from breakage, ensure that the standard of soil sample block product
Really measurement, that is, further ensure the reliability of density of soil sample uniformity detection.The internal diameter of base 202 and upper cylinder 201 is all higher than
The internal diameter of cutting ring 1, the vertical height between 1 upper bottom surface of upper bottom surface and cutting ring of base 202 are more than the height of cutting ring 1.Base 202
It is more than the internal diameter of cutting ring 1 with the internal diameter of upper cylinder 201, can rubs to avoid the internal diameter of crimping seat 2 with the soil sample block being squeezed out
Wipe, that is, ensure that the integrality of soil sample block.Vertical height between 1 upper bottom surface of upper bottom surface and cutting ring of base 202 is more than cutting ring 1
Height, the soil sample block that can be effectively ensured in cutting ring 1 successfully released.
The cutting ring pressure head 3 includes force-transmitting pole 301, limiting plate 302 and the crimp column being adapted with each soil sample memory block
303, the radial dimension of limiting plate 302 is more than the radial dimension of cutting ring 1, and limiting plate 302 can play the role of effective block, pass
Power column 301 is arranged on the center of 302 upper surface of limiting plate, and crimp column 303 is arranged on the lower face of limiting plate 302, crimping
The length of column 303 is more than the height of cutting ring 1.Force-transmitting pole is arranged on to the center of limiting plate 302, it is ensured that each crimp column
303 uniform forces, and then ensure that the uniformity for the soil sample block stress that crimp column 303 crimps.The length of crimp column 303 is more than ring
The height of knife 1, it is ensured that the soil sample block in cutting ring 1 is completely pushed out of.After crimp column 303 is inserted into cutting ring 1, crimp column 303
Bottom surface and base 202 between vertical height be more than cutting ring 1 height.
Embodiment 2, a kind of experimental rig for being used to examine stickiness soil sample uniformity, the cross section of the cutting ring is rectangle,
Upper cylinder and base are the rectangle barrel structure to match with cross section for the cutting ring of rectangle.The other structures of the present embodiment and implementation
Example 1 is identical.By the structure that cutting ring design cross section is rectangle, stored easy to which the inner space of cutting ring to be divided into the soil sample of rule
Area, easy to calculate the volume of each soil sample memory block, advantageously reduces the error of result of the test.
Embodiment 3, a kind of experimental rig for being used to examine stickiness soil sample uniformity, the partition plate are parallel to each other including two
Transverse slat and two stringer boards being parallel to each other, transverse slat and stringer board are arranged in a mutually vertical manner the inner space of cutting ring being divided into nine appearances
The identical soil sample memory block of product.The other structures of the present embodiment are same as Example 1.The inner space of cutting ring is divided into nine
The identical soil sample memory block of volume advantageously reduces the error of result of the test easy to obtain the volume of each soil sample memory block.
Embodiment 4, it is a kind of to be used to examine the experimental rig of stickiness soil sample uniformity, it is provided with some differences on partition plate 101
The stress dispersion hole 105 in aperture, stress dispersion hole 105 have different apertures.The other structures of the present embodiment and 1 phase of embodiment
Together.Stress dispersion hole 105 is set on partition plate 101, can be not connected to avoid each soil sample memory block, avoid result in different soil
The density difference of sample memory block is larger and seriously affects the consequence of test reliability.
Embodiment 5, it is a kind of to be used to examine the experimental rig of stickiness soil sample uniformity, it is provided with some differences on partition plate 101
The stress dispersion hole 105 in aperture, stress dispersion hole 105 have different apertures.The other structures of the present embodiment and 2 phase of embodiment
Together.Stress dispersion hole 105 is set on partition plate 101, can be not connected to avoid each soil sample memory block, avoid result in different soil
The density difference of sample memory block is larger and seriously affects the consequence of test reliability.
Embodiment 6, it is a kind of to be used to examine the experimental rig of stickiness soil sample uniformity, it is provided with some differences on partition plate 101
The stress dispersion hole 105 in aperture, stress dispersion hole 105 have different apertures.The other structures of the present embodiment and 3 phase of embodiment
Together.Stress dispersion hole 105 is set on partition plate 101, can be not connected to avoid each soil sample memory block, avoid result in different soil
The density difference of sample memory block is larger and seriously affects the consequence of test reliability.
The application method of the utility model comprises the following steps：
Step 1：One layer of lubricant is smeared on the inner wall, transverse slat and stringer board of cutting ring, the remodeling configured is weighed with balance
Soil sample is dissipated, target average dry density soil sample is prepared into soil sample mould；Then by average dry density soil sample by being pressed into cutting ring,
Filling in cutting ring is set to meet the eye on every side mark average dry density soil sample, then to 9 soil sample memory blocks in cutting ring into line label；
Step 2：The upper cylinder and base being docking together are dismantled, target average dry density soil sample will be filled with step 2
Cutting ring be placed in the card slot of base upper port, then upper cover is connected on above cutting ring, cutting ring is stably connected to
In card slot between cylinder and base；
Step 3：The crimp head of cutting ring pressure head is placed on downwards in the upper cylinder above cutting ring, then presses force-transmitting pole downwards,
The crimp head of cutting ring pressure head extrudes the target average dry density soil sample in each soil sample memory block in cutting ring gradually downward, until ring
The limiting plate bottom surface of knife pressure head is in contact with the top surface of upper cylinder, and 9 pieces of soil samples in cutting ring in 9 soil sample memory blocks fall into bottom at this time
In the cavity of seat；
Step 4：Cutting ring pressure head, upper cylinder and cutting ring are removed successively, take out 9 blocks of soil described in base cavity pocket in step 4
Sample；
Step 5：9 pieces of soil samples described in step 5 are weighed successively on balance respectively, its quality are recorded, according to ring
The internal structure of knife calculates the volume of 9 soil sample memory blocks, and then obtains the volume of 9 pieces of soil samples, then can obtain 9 pieces of soil samples
Density, the density of 9 pieces of soil samples of contrast can obtain the uniformity of target average dry density soil sample.
Using vaseline as the lubricant described in step 1, on transverse slat and stringer board smear vaseline when should avoid by
Vaseline is applied in stress dispersion hole.Lubricant is smeared on partition plate, can aid in soil sample block in cutting ring swimmingly by
Release without breakage occurs, select vaseline can be with effectively save cost as lubricant, and be easily obtained, avoid vaseline
It is applied in stress dispersion hole, avoids vaseline and excessively cause excessive test error.
When pressing cutting ring pressure head into cutting ring during pressing target average dry density soil sample and in step 3 in the step 1,
Equably pressed downwards using jack driven by stepper motors.It is equably downward using jack driven by stepper motors
Press, the original uniformity of density for the soil sample block that can effectively keep, further ensure the reliability of result of the test.
It is all practical new not to limit utility model the foregoing is merely the preferred embodiment of utility model
Within the spirit and principle of type, any modification, equivalent replacement, improvement and so on, should be included in the protection model of utility model
Within enclosing.
Claims (7)
- A kind of 1. experimental rig for being used to examine stickiness soil sample uniformity, it is characterised in that：Including cutting ring（1）, crimping seat（2）With Cutting ring pressure head（3）, cutting ring（1）Be internally provided with cross one another partition plate（101）, partition plate（101）By the inner space of cutting ring It is divided into several soil sample memory blocks, the cutting ring pressure head（3）On be provided with the crimp column being adapted with each soil sample memory block （303）, crimp column（303）Length be more than cutting ring（1）Height, the crimping seat（2）Including upper cylinder straight-through up and down（201） And with upper cylinder（201）The base being connected to each other（202）, upper cylinder（201）And base（202）The position being connected to each other is offered for installing Cutting ring（1）Card slot（203）, base（202）With upper cylinder（201）Internal cross-sectional area is more than cutting ring（1）Cross-sectional area, pressure Connect column（303）It is inserted into cutting ring（1）Bottom surface and base afterwards（202）Upper bottom surface between vertical height be more than cutting ring（1）'s Highly.
- A kind of 2. experimental rig for being used to examine stickiness soil sample uniformity according to claim 1, it is characterised in that：It is described Cutting ring（1）For circular ring shape, upper cylinder（201）And base（202）It is and cutting ring（1）The cylindrical structure to match, upper cylinder（201）With Base（202）Internal diameter be all higher than cutting ring（1）Internal diameter.
- A kind of 3. experimental rig for being used to examine stickiness soil sample uniformity according to claim 2, it is characterised in that：It is described Partition plate（101）Including two transverse slats being parallel to each other and two stringer boards being parallel to each other, transverse slat and stringer board pass through crack（106）Phase Mutually it is vertically arranged cutting ring（1）Inner space be divided into nine soil sample memory blocks, nine soil sample memory blocks include the first soil sample Storage group（102）, the second soil sample storage group（103）With the 3rd soil sample storage group（104）, the first soil sample storage group（102）With Two soil sample storage groups（103）Include the identical soil sample memory block of four volumes, the 3rd soil sample storage group（104）For a pros The soil sample memory block of shape.
- A kind of 4. experimental rig for being used to examine stickiness soil sample uniformity according to claim 1, it is characterised in that：It is described The cross section of cutting ring is rectangle, and upper cylinder and base are the rectangle barrel structure to match with cross section for the cutting ring of rectangle.
- A kind of 5. experimental rig for being used to examine stickiness soil sample uniformity according to claim 4, it is characterised in that：It is described Partition plate includes two transverse slats being parallel to each other and two stringer boards being parallel to each other, and transverse slat and stringer board are arranged in a mutually vertical manner cutting ring Inner space is divided into the identical soil sample memory block of nine volumes.
- A kind of 6. experimental rig for being used to examine stickiness soil sample uniformity according to claim 1, it is characterised in that：It is described Cutting ring pressure head（3）Further include force-transmitting pole（301）, limiting plate（302）, limiting plate（302）Radial dimension be more than cutting ring（1）Footpath To size, force-transmitting pole（301）It is arranged on limiting plate（302）The center of upper surface, the crimp column（303）It is arranged on spacing Plate（302）Lower face.
- 7. according to a kind of experimental rig for being used to examine stickiness soil sample uniformity of claim 1-6 any one of them, its feature It is：Some stress dispersion holes are provided with the partition plate（105）, stress dispersion hole（105）With different apertures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721484392.9U CN207351847U (en) | 2017-11-09 | 2017-11-09 | A kind of experimental rig for being used to examine stickiness soil sample uniformity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721484392.9U CN207351847U (en) | 2017-11-09 | 2017-11-09 | A kind of experimental rig for being used to examine stickiness soil sample uniformity |
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| CN207351847U true CN207351847U (en) | 2018-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796732A (en) * | 2017-11-09 | 2018-03-13 | 中原工学院 | A kind of experimental rig and its application method for being used to examine stickiness soil sample uniformity |
-
2017
- 2017-11-09 CN CN201721484392.9U patent/CN207351847U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796732A (en) * | 2017-11-09 | 2018-03-13 | 中原工学院 | A kind of experimental rig and its application method for being used to examine stickiness soil sample uniformity |
| CN107796732B (en) * | 2017-11-09 | 2024-01-19 | 中原工学院 | Test device for detecting uniformity of cohesive soil sample and application method thereof |
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| GR01 | Patent grant | ||
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Address after: 451191 No. 1 Huaihe Road, Shuang Hu Economic and Technological Development Zone, Xinzheng, Zhengzhou, Henan Patentee after: Zhongyuan University of Technology Address before: 451191 No. 1 Huaihe Road, Shuanghu Town Economic and Technological Development Zone, Zhengzhou City, Henan Province Patentee before: Zhongyuan University of Technology |
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