CN114800795A - Vertical combined die for preparing triaxial compression test sample and using method - Google Patents
Vertical combined die for preparing triaxial compression test sample and using method Download PDFInfo
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- CN114800795A CN114800795A CN202210477288.6A CN202210477288A CN114800795A CN 114800795 A CN114800795 A CN 114800795A CN 202210477288 A CN202210477288 A CN 202210477288A CN 114800795 A CN114800795 A CN 114800795A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0094—Moulds for concrete test samples
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a vertical combined die for preparing a triaxial compression test sample and a using method thereof, wherein the vertical combined die comprises the following steps: hit real auxiliary structure, system appearance forming die. The compaction assisting structure includes: the device comprises a compaction cylindrical rod, a central limiting auxiliary hole plate, a movable hollow cylinder, a vertical reinforcing rib plate and a rigid cylindrical base; the system appearance forming device includes: rigid annular clamps, connecting rods, transparent valves, etc. During numerical control machining, the central limiting auxiliary hole plate, the vertical reinforcing rib plate and the rigid cylindrical base are cast into a whole by high steel, three transparent valves are placed into the upper rigid annular clamp and the lower rigid annular clamp during use, the positions are adjusted, the left connecting rod and the right connecting rod are locked by the aid of the limiting screw, and the upper rigid annular clamp and the lower rigid annular clamp are effectively prevented from moving. The method is simple and convenient to operate, and can obtain the compact and uniform triaxial sample with a complete and smooth surface on the premise of ensuring the sample preparation quality. The problems of complex operation flow, difficult sample demoulding and uneven density of the obtained sample of the conventional triaxial sample preparation mould are effectively solved.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering triaxial test tests, in particular to a vertical combined die for preparing a triaxial compression test sample and a using method thereof.
Background
The triaxial compression test is one of basic geotechnical tests, according to engineering requirements, a non-consolidation non-drainage shear test, a consolidation non-drainage shear test and a consolidation drainage shear test can be adopted, compared with a direct shear test, a triaxial test result is closer to actual engineering than the direct shear test, and the triaxial compression test can be used for testing the cohesive force and the internal friction angle of strength parameters and carrying out a dissipation test, a static side pressure coefficient test, a dynamic characteristic test, a penetration test and the like of soil body pore water pressure, so that the triaxial compression test is widely applied to geotechnical engineering research.
A soil sample needs to be prepared during a triaxial compression test, and a three-section cylinder needs to be used in the preparation process of the soil sample. The three-valve cylinder is composed of three valves and a hoop, is generally used for preparing a soil sample with the diameter of 39.1mm, is a universal device of a soil sample saturator and a compactor, when in use, the three valves are spliced respectively, the hoop is tightly sleeved from the outside, then soil is added into the device in layers, the soil sample required by the test is obtained by continuously compacting, the traditional three-valve cylinder has complicated assembling steps, when the hoop is sleeved from top to bottom, the hoop is tighter and tighter, the loose and irregular soil sample is caused, the prepared sample is easy to damage in the demoulding process, and in the sample preparation process, the using force is different when compacting is carried out each time, so that the uniformity of the sample preparation cannot be ensured, and the effect of the triaxial test is further influenced.
Aiming at the problems, the invention provides the vertical combined die for preparing the triaxial compression test sample and the use method thereof, which can effectively solve the problems, are simple to operate and practical, save the consumption of manpower and material resources and provide guarantee for the subsequent triaxial compression test.
Disclosure of Invention
The invention provides a vertical combined die for preparing a triaxial compression test sample and a using method thereof. Use the flow complicated with solving traditional conventional triaxial test system appearance mould, difficult operation, the great scheduling problem of artificial influence, the concrete performance is that traditional conventional triaxial test system appearance mould is difficult evenly to hit the reality to the soil sample, in order to reach design density, the atress is inhomogeneous when leading to the soil sample compression, cause the damage or even destruction to the sample easily, the wholeness of sample is relatively poor, homogeneity and overall compactness are difficult to guarantee, so be difficult to guarantee the sample quality, finally influence the mechanical properties detection of sample.
The invention comprises the following steps: hit real auxiliary structure, system appearance forming device.
The compaction assisting structure includes: the device comprises a compaction cylindrical rod, a central limiting auxiliary hole plate, a movable hollow cylinder A, a vertical reinforcing rib plate B, a movable hollow cylinder B, a rigid cylindrical base plate and a rigid cylindrical base.
The system appearance forming device includes: the device comprises a rigid annular clamp A, a limit screw B, a connecting rod A, a locking screw, a connecting rod B, a limit screw C, a bottom sealing rigid annular clamp B, a limit screw D, a connecting rod C, a transparent valve A, a transparent valve B and a transparent valve C.
The compaction cylindrical rod, the central limiting auxiliary hole plate, the vertical reinforcing rib plate A, the vertical reinforcing rib plate B, the rigid cylindrical base plate and the rigid cylindrical base are all cast by adopting high-steel materials during numerical control machining, and the central limiting auxiliary hole plate, the vertical reinforcing rib plate A, the vertical reinforcing rib plate B and the rigid cylindrical base are cast into a whole; the compaction cylindrical rod and the rigid cylindrical base plate are cast into a whole; the movable hollow cylinder A and the movable hollow cylinder B are both adopted in numerical control machining and are set with fixed mass according to test regulations.
The rigid annular clamp A, the limiting screw B, the connecting rod A, the locking screw, the connecting rod B, the limiting screw C, the bottom sealing rigid annular clamp B, the limiting screw D and the connecting rod C are all cast by adopting high-steel materials during numerical control processing, the rigid annular clamp A, the limiting screw A and the limiting screw B are cast into a whole, the upper end of the connecting rod A is nested in the limiting screw A, and the upper end of the connecting rod C is nested in the limiting screw B; the bottom sealing rigid annular hoop B, the limiting screw C and the limiting screw D are cast into a whole, the lower end of the connecting rod B is nested in the limiting screw C, and the lower end of the connecting rod C is nested in the limiting screw D; the bottom sealing rigid annular hoop B is connected with the rigid cylindrical base through welding.
The transparent valve A, the transparent valve B and the transparent valve C are made of polymethyl methacrylate materials during numerical control machining, the edges of the transparent valve A and the transparent valve C are provided with protruding structures, and the transparent valve A, the transparent valve B and the transparent valve C are combined to form a hollow cylindrical cavity structure.
The circle center of the central limiting auxiliary hole plate, the circle center of the rigid annular hoop A and the circle center of the bottom sealing rigid annular hoop B are all located on the same straight line, so that the whole structure formed by the solid impacting cylindrical rod and the rigid cylindrical base plate falls into the hollow cylindrical cavity structure formed by combining the transparent valve A, the transparent valve B and the transparent valve C.
The use method of the vertical combined die for preparing the triaxial compression test sample comprises the following steps:
the method comprises the following steps: combining a transparent valve A, a transparent valve B and a transparent valve C into a hollow cylindrical cavity structure by utilizing a self edge protruding structure;
step two: placing the cavity structure combined in the step one into a bottom sealing rigid annular clamp B, further placing the rigid annular clamp A at the upper end of the cavity structure, and adjusting the position;
step three: further adjusting the positions of the connecting rod A, the connecting rod B and the connecting rod C, and inserting a locking screw into the combined position of the lower end of the connecting rod A and the upper end of the connecting rod B to limit the displacement of a cavity structure formed by the transparent valve A, the transparent valve B and the transparent valve C in the axial direction and the radial direction;
step four: placing the mixed test materials into a cavity structure formed by combining a transparent valve A, a transparent valve B and a transparent valve C in layers according to the design requirements of a test scheme;
step five: converting compaction times according to compaction work designed for the sample in the test scheme, further vertically putting the whole formed by combining the compaction cylindrical rod and the rigid cylindrical base plate into a cavity structure, filling a movable hollow cylinder B, and further compacting the sample by utilizing the movable hollow cylinder A which moves up and down;
step six: and repeating the fourth step to the fifth step until the sample reaches the design height, withdrawing the locking screw, taking down the rigid annular hoop A, and further taking out the cavity structure formed by the transparent valve A, the transparent valve B and the transparent valve C for demolding so as to facilitate the subsequent test.
The invention has the beneficial effects that: 1. the whole device is simple in structure, convenient to work during use, and capable of being better fixedly installed, so that the working difficulty is reduced, the workload of workers is reduced, and the working cost is saved; 2. the vertical combined die for preparing the triaxial compression test sample has uniform force application, convenient demoulding, no damage to the sample, can obtain a compact and uniform triaxial sample with a complete and smooth surface, and can meet the requirements of a common soil triaxial shear test; 3: on the premise of ensuring the sample preparation quality, the mold can improve the sample preparation efficiency, simplify the sample preparation process, reduce the sample preparation time, effectively solve the problems of complex operation process, difficult sample unloading and uneven density of the obtained sample of the conventional triaxial sample preparation device, and has good application prospect.
Drawings
FIG. 1 is a schematic view of the overall structure of a vertical combined mold for preparing a triaxial compression test sample;
FIG. 2 is a schematic view of a sample forming apparatus;
fig. 3 is a schematic view of the compaction aid structure.
In the figure: 1. compacting the cylindrical rod; 2. a central limit auxiliary orifice plate; 3. a movable hollow cylinder A; 4. a vertical reinforcing rib plate A; 5. a vertical reinforcing rib plate B; 6. a movable hollow cylinder B; 7. a rigid cylindrical backing plate; 8. a rigid cylindrical base; 9. a rigid annular clamp A; 10. a limiting screw A; 11. a limiting screw B; 12. a connecting rod A; 13. locking the screw rod; 14. a connecting rod B; 15. a limiting screw rod C; 16. a rigid annular hoop B is sealed at the bottom; 17. a limiting screw D; 18. a connecting rod C; 19. a transparent valve A; 20. a transparent valve B; 21. a transparent valve C.
Detailed Description
The invention will be further described in detail and fully with reference to the accompanying drawings and detailed description. All other embodiments, which can be derived by a person skilled in the art from the description of the invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention relates to a vertical combination mold for preparing a triaxial compression test specimen, comprising: hit real auxiliary structure, system appearance forming device. The compaction assisting structure includes: the device comprises a compaction cylindrical rod (1), a central limiting auxiliary hole plate (2), a movable hollow cylinder A (3), a vertical reinforcing rib plate A (4), a vertical reinforcing rib plate B (5), a movable hollow cylinder B (6), a rigid cylindrical base plate (7) and a rigid cylindrical base (8); the system appearance forming device includes: the device comprises a rigid annular clamp A (9), a limit screw A (10), a limit screw B (11), a connecting rod A (12), a locking screw (13), a connecting rod B (14), a limit screw C (15), a bottom sealing rigid annular clamp B (16), a limit screw D (17), a connecting rod C (18), a transparent valve A (19), a transparent valve B (20) and a transparent valve C (21).
The compaction cylindrical rod (1), the central limiting auxiliary hole plate (2), the vertical reinforcing rib plate A (4), the vertical reinforcing rib plate B (5), the rigid cylindrical base plate (7) and the rigid cylindrical base (8) are all cast by adopting high-steel materials during numerical control processing, and the central limiting auxiliary hole plate (2), the vertical reinforcing rib plate A (4), the vertical reinforcing rib plate B (5) and the rigid cylindrical base (8) are cast into a whole; the compaction cylindrical rod (1) and the rigid cylindrical backing plate (7) are cast into a whole; the movable hollow cylinder A (3) and the movable hollow cylinder B (6) are both adopted in numerical control machining and are set with fixed mass according to test procedures.
The rigid annular hoop A (9), the limiting screw A (10), the limiting screw B (11), the connecting rod A (12), the locking screw (13), the connecting rod B (14), the limiting screw C (15), the bottom sealing rigid annular hoop B (16), the limiting screw D (17) and the connecting rod C (18) are all cast by adopting a high-steel material during numerical control machining, the rigid annular hoop A (9), the limiting screw A (10) and the limiting screw B (11) are cast into a whole, the upper end of the connecting rod A (12) is nested in the limiting screw A (10), and the upper end of the connecting rod C (18) is nested in the limiting screw B (11); the bottom sealing rigid annular hoop B (16), the limiting screw C (15) and the limiting screw D (17) are cast into a whole, the lower end of the connecting rod B (14) is nested in the limiting screw C (15), and the lower end of the connecting rod C (18) is nested in the limiting screw D (17); the bottom sealing rigid annular hoop B (16) is connected with the rigid cylindrical base (8) through welding.
Transparent valve A (19), transparent valve B (20), transparent valve C (21) all adopt the polymethyl methacrylate material to make during numerical control machining, and transparent valve A (19) and transparent valve C (21) edge set up protruding structure, and the combination of the three forms hollow cylinder formula cavity structures.
The circle center of the central limiting auxiliary hole plate (2), the circle center of the rigid annular hoop A (9) and the circle center of the bottom sealing rigid annular hoop B (16) are all located on the same straight line, so that the whole structure formed by the solid hitting cylindrical rod (1) and the rigid cylindrical base plate (7) falls into the hollow cylindrical cavity structure formed by combining the transparent valve A (19), the transparent valve B (20) and the transparent valve C (21) vertically.
The use method of the vertical combined die for preparing the triaxial compression test sample comprises the following steps:
the method comprises the following steps: combining a transparent valve A, a transparent valve B and a transparent valve C into a hollow cylindrical cavity structure by utilizing a self edge protruding structure;
step two: placing the cavity structure combined in the step one into a bottom sealing rigid annular clamp B, further placing the rigid annular clamp A at the upper end of the cavity structure, and adjusting the position;
step three: further adjusting the positions of the connecting rod A, the connecting rod B and the connecting rod C, and inserting a locking screw into the combined position of the lower end of the connecting rod A and the upper end of the connecting rod B to limit the displacement of a cavity structure formed by the transparent valve A, the transparent valve B and the transparent valve C in the axial direction and the radial direction;
step four: placing the mixed test materials into a cavity structure formed by combining a transparent valve A, a transparent valve B and a transparent valve C in layers according to the design requirements of a test scheme;
step five: converting compaction times according to compaction work designed for the sample in the test scheme, further vertically putting the whole formed by combining the compaction cylindrical rod and the rigid cylindrical base plate into a cavity structure, filling a movable hollow cylinder B, and further compacting the sample by utilizing the movable hollow cylinder A which moves up and down;
step six: and repeating the fourth step to the fifth step until the sample reaches the design height, withdrawing the locking screw, taking down the rigid annular hoop A, and further taking out the cavity structure formed by the transparent valve A, the transparent valve B and the transparent valve C for demolding so as to facilitate the subsequent test.
The invention provides a vertical combined die for preparing a triaxial compression test sample and a using method thereof. Embodiments, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and all such modifications are intended to be included within the scope of the invention.
Claims (6)
1. The utility model provides a vertical assembling die of preparation triaxial compression test sample and application method which characterized in that includes: hit real auxiliary structure, system appearance forming device, hit real auxiliary structure and include: the device comprises a compaction cylindrical rod (1), a central limiting auxiliary hole plate (2), a movable hollow cylinder A (3), a vertical reinforcing rib plate A (4), a vertical reinforcing rib plate B (5), a movable hollow cylinder B (6), a rigid cylindrical base plate (7) and a rigid cylindrical base (8); the system appearance forming device includes: the device comprises a rigid annular clamp A (9), a limit screw A (10), a limit screw B (11), a connecting rod A (12), a locking screw (13), a connecting rod B (14), a limit screw C (15), a bottom sealing rigid annular clamp B (16), a limit screw D (17), a connecting rod C (18), a transparent valve A (19), a transparent valve B (20) and a transparent valve C (21).
2. The vertical combination die for preparing triaxial compression test specimens according to claim 1, wherein: the compaction cylindrical rod (1), the central limiting auxiliary hole plate (2), the vertical reinforcing rib plate A (4), the vertical reinforcing rib plate B (5), the rigid cylindrical base plate (7) and the rigid cylindrical base (8) are all cast by adopting high-steel materials during numerical control processing, and the central limiting auxiliary hole plate (2), the vertical reinforcing rib plate A (4), the vertical reinforcing rib plate B (5) and the rigid cylindrical base (8) are cast into a whole; the compaction cylindrical rod (1) and the rigid cylindrical backing plate (7) are cast into a whole; the movable hollow cylinder A (3) and the movable hollow cylinder B (6) are both adopted in numerical control machining and are set with fixed mass according to test procedures.
3. The vertical assembling die for preparing triaxial compression test specimens according to claim 1, wherein: the rigid annular hoop A (9), the limiting screw A (10), the limiting screw B (11), the connecting rod A (12), the locking screw (13), the connecting rod B (14), the limiting screw C (15), the bottom sealing rigid annular hoop B (16), the limiting screw D (17) and the connecting rod C (18) are all cast by adopting a high-steel material during numerical control machining, the rigid annular hoop A (9), the limiting screw A (10) and the limiting screw B (11) are cast into a whole, the upper end of the connecting rod A (12) is nested in the limiting screw A (10), and the upper end of the connecting rod C (18) is nested in the limiting screw B (11); the bottom sealing rigid annular hoop B (16), the limiting screw C (15) and the limiting screw D (17) are cast into a whole, the lower end of the connecting rod B (14) is nested in the limiting screw C (15), and the lower end of the connecting rod C (18) is nested in the limiting screw D (17); the bottom sealing rigid annular hoop B (16) is connected with the rigid cylindrical base (8) through welding.
4. The vertical assembling die for preparing triaxial compression test specimens according to claim 1, wherein: transparent valve A (19), transparent valve B (20), transparent valve C (21) all adopt the polymethyl methacrylate material to make during numerical control machining, and transparent valve A (19) and transparent valve C (21) edge set up protruding structure, and the combination of the three forms hollow cylinder formula cavity structures.
5. The vertical assembling die for preparing triaxial compression test specimens according to claim 1, wherein: the circle center of the central limiting auxiliary hole plate (2), the circle center of the rigid annular hoop A (9) and the circle center of the bottom sealing rigid annular hoop B (16) are all located on the same straight line, so that the whole structure formed by the solid hitting cylindrical rod (1) and the rigid cylindrical base plate (7) falls into the hollow cylindrical cavity structure formed by combining the transparent valve A (19), the transparent valve B (20) and the transparent valve C (21) vertically.
6. The vertical combination die for preparing the triaxial compression test sample and the using method thereof according to claim 1, wherein the method comprises the following steps:
the method comprises the following steps: combining a transparent valve A (19), a transparent valve B (20) and a transparent valve C (21) into a hollow cylindrical cavity structure by utilizing the edge protruding structure of the valve;
step two: placing the cavity structure combined in the step one into a bottom sealing rigid annular hoop B (16), further placing a rigid annular hoop A (9) at the upper end of the cavity structure, and adjusting the position;
step three: further adjusting the positions of the connecting rod A (12), the connecting rod B (14) and the connecting rod C (15), and inserting a locking screw into the combined position of the lower end of the connecting rod A (12) and the upper end of the connecting rod B (14) to limit the displacement of a cavity structure formed by the transparent valve A (19), the transparent valve B (20) and the transparent valve C (21) in the axial direction and the radial direction;
step four: the mixed test materials are put into a cavity structure formed by combining a transparent valve A (19), a transparent valve B (20) and a transparent valve C (21) in a layered mode according to the design requirements of a test scheme;
step five: converting compaction times according to compaction work designed for the sample in the test scheme, further vertically putting the whole formed by combining the compaction cylindrical rod (1) and the rigid cylindrical backing plate (7) into a cavity structure, filling a movable hollow cylinder B (6) on the cavity structure, and further compacting the sample by utilizing the movable hollow cylinder A (3) which moves up and down;
step six: and repeating the fourth step to the fifth step until the sample reaches the design height, withdrawing the locking screw (13), taking down the rigid annular hoop A (9), and further taking out the cavity structure formed by the transparent valve A (19), the transparent valve B (20) and the transparent valve C (21) for demolding so as to facilitate the subsequent test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477288.6A CN114800795A (en) | 2022-05-04 | 2022-05-04 | Vertical combined die for preparing triaxial compression test sample and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477288.6A CN114800795A (en) | 2022-05-04 | 2022-05-04 | Vertical combined die for preparing triaxial compression test sample and using method |
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| CN114800795A true CN114800795A (en) | 2022-07-29 |
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| CN202210477288.6A Pending CN114800795A (en) | 2022-05-04 | 2022-05-04 | Vertical combined die for preparing triaxial compression test sample and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964956A (en) * | 2022-05-11 | 2022-08-30 | 辽宁工程技术大学 | Device for preparing triaxial sample by independently executing and compacting program and using method |
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2022
- 2022-05-04 CN CN202210477288.6A patent/CN114800795A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964956A (en) * | 2022-05-11 | 2022-08-30 | 辽宁工程技术大学 | Device for preparing triaxial sample by independently executing and compacting program and using method |
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