CN214201138U - Adhesive tensile testing machine - Google Patents
Adhesive tensile testing machine Download PDFInfo
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- CN214201138U CN214201138U CN202023255450.5U CN202023255450U CN214201138U CN 214201138 U CN214201138 U CN 214201138U CN 202023255450 U CN202023255450 U CN 202023255450U CN 214201138 U CN214201138 U CN 214201138U
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- 238000009864 tensile test Methods 0.000 title claims abstract description 28
- 239000000853 adhesive Substances 0.000 title claims description 21
- 230000001070 adhesive effect Effects 0.000 title claims description 21
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 abstract description 20
- 238000012360 testing method Methods 0.000 abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 18
- 230000000670 limiting effect Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009662 stress testing Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to an gluing agent tensile test machine, including the base, be fixed in the frame on the base and be fixed in the casing in the frame, install fixed concrete slab's fixed subassembly on the base, install the tensile test subassembly on the casing, the tensile test subassembly including run through set up on the casing and with clearance fit's threaded rod, with fixed force sensor of threaded rod lower extreme, with fixed base plate in force sensor bottom and with the fixed connecting block in base plate bottom surface, connect the fixed plate that has the ceramic tile on the connecting block, through joint subassembly joint between fixed plate and the connecting block, install the drive assembly who orders about the threaded rod and go up and down on the casing. In this application, have between the fixed plate of ceramic tile and the connecting block through joint subassembly joint to this has strengthened the stability of being connected between fixed plate and the connecting block, has reduced tension sensor and the probability of ceramic tile separation in the testing process, is favorable to going on smoothly of ceramic tile gluing agent intensity detection work.
Description
Technical Field
The application relates to a ceramic tile glues and detects technical field, especially relates to an adhesive tensile test machine.
Background
The adhesive tensile testing machine is called a tensile machine for short, is a mechanical stress testing machine for performing mechanical property tests such as stretching, compressing, bending, shearing, stripping and the like on a material, and is indispensable detection equipment for material development, physical property tests, teaching research, quality control, feeding inspection, random inspection of a production line and the like.
Chinese patent that prior art's bulletin number is CN209215193U discloses an intensity detection experiment platform is glued to building ceramic tile, including platform body, first spring dynamometer and second spring dynamometer, the upper end of platform body is equipped with first spout and second spout respectively, the inside of first spout and second spout all is equipped with the slider, the upper end of slider all is connected with the slide, the upper end of platform body is equipped with the fixed plate, the side of fixed plate glues through the ceramic tile and bonds there is the test board, the adjacent both sides of test board all are equipped with the link, first spring dynamometer and second spring dynamometer are connected respectively between two sets of links and two sets of slides, the upper end of platform body is equipped with the limiting plate, the inside spiro union of limiting plate has the screw rod, the upper end installation time-recorder of platform body.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: all be connected through the link between first spring dynamometer and the second spring dynamometer and the test board, at the testing process, the link breaks away from easily to influence going on of ceramic tile glue intensity detection work.
SUMMERY OF THE UTILITY MODEL
In order to strengthen the stability of ceramic tile glue intensity testing process, promote going on of detection achievement, this application provides an adhesive tensile test machine.
The application provides an adhesive tensile testing machine adopts following technical scheme:
gluing agent tensile test machine, including the base, be fixed in the frame on the base and be fixed in the casing in the frame, install fixed concrete slab's fixed subassembly on the base, install the tensile test subassembly on the casing, the tensile test subassembly including run through set up on the casing and with clearance fit's threaded rod, with fixed force sensor of threaded rod lower extreme, with fixed base plate in force sensor bottom and with the fixed connecting block in base plate bottom surface, the fixed plate that has the ceramic tile is connected on the connecting block, through joint subassembly joint between fixed plate and the connecting block, install the drive assembly who orders about the threaded rod lift on the casing.
Through adopting above-mentioned technical scheme, have between the fixed plate of ceramic tile and the connecting block through joint subassembly joint to this has strengthened the stability of being connected between fixed plate and the connecting block, has reduced tension sensor and the probability of ceramic tile separation in the testing process, is favorable to going on smoothly of ceramic tile gluing agent intensity detection achievement. When the bonding strength of gluing agent is detected to needs, the staff at first need drive the threaded rod through drive assembly and descend, presses close to concrete slab upper surface until the ceramic tile bottom surface, squeezes in the gluing agent between ceramic tile bottom surface and concrete slab, treats that the gluing agent solidifies the back completely, drives the threaded rod through drive assembly and rises, can carry out the tensile force capability test work of gluing agent.
Optionally, first joint groove has been seted up to the connecting block bottom surface, set up the second joint groove with the interior roof intercommunication in first joint groove on the connecting block lateral wall, the joint subassembly include with fixed plate upper surface fixed's first connecting plate and with first connecting plate upper surface connected's second connecting plate, first connecting plate and first joint groove joint cooperation, second connecting plate and second joint groove joint cooperation.
Through adopting above-mentioned technical scheme, first joint groove joint on first connecting plate on the fixed plate and the connecting block, second joint groove joint on second connecting plate on first connecting plate and the connecting block to this makes to have firm connection between fixed plate and the connecting block, has reduced force sensor and has broken away from the probability of fixed plate in the testing process, is favorable to going on of gluing agent tensile force performance detection work.
Optionally, a rubber sheet is fixed on the inner bottom wall of the second clamping groove.
Through adopting above-mentioned technical scheme, the sheet rubber adopts rubber materials to make, has good elasticity performance, and second connecting plate and second joint groove mating reaction support tight sheet rubber to this stability of being connected between second connecting plate and the second joint groove has been strengthened, has reduced the probability that the second connecting plate breaks away from the second joint groove.
Optionally, both ends of the second clamping groove are open.
Through adopting above-mentioned technical scheme, in debris got into second joint groove, the staff can clear up debris from second joint groove both ends, has reduced debris and has detained in second joint groove, and influences the probability of connecting action between second connecting plate and the second joint groove.
Optionally, the second connecting plate is arranged in an inclined manner, the height of the bottom surface of the second connecting plate decreases progressively from one end of the second clamping groove to the other end of the second clamping groove, a stop block is arranged at an opening end of the second clamping groove, which is far away from one side of the substrate, and the bottom surface of the stop block is fixed with the bottom wall of the second clamping groove.
Through adopting above-mentioned technical scheme, the height of second connecting plate bottom surface is steadilyd decrease to the other end from second joint groove one end, and the open end of the lower one side in second joint groove is fixed with the dog to this has strengthened the stability of being connected between second connecting plate and the second joint groove, has reduced the probability that the second connecting plate breaks away from second joint groove, is favorable to going on of gluing agent tensile force capability test work.
Optionally, a second bolt in clearance fit with the substrate is arranged on the substrate in a penetrating manner, and the lower end of the second bolt is in threaded connection with the connecting block.
Through adopting above-mentioned technical scheme to this staff of being convenient for with connecting block demountable installation on the base plate, thereby the staff of being convenient for changes the connecting block of damage, with the going on of guaranteeing gluing agent pulling force detection work.
Optionally, the driving assembly comprises a motor fixed with the side wall of the shell, a worm fixed with the end part of an output shaft of the motor, a worm wheel sleeved on the threaded rod and rotatably connected with the inner wall of the shell, and a limiting rod fixed with the inner wall of the shell, wherein the worm wheel is meshed with the worm, and a limiting groove connected with the limiting rod in a sliding manner is formed in the threaded rod.
Through adopting above-mentioned technical scheme, when the staff at the spraying gluing agent between ceramic tile and concrete slab, and the gluing agent solidification back, when needing to carry out the tensile force capability test, the staff only needs to open the motor, the motor drives the worm after the work and rotates, make with this and worm meshing's worm wheel rotate, because threaded rod and worm wheel threaded connection, and the rotation of threaded rod is injectd by gag lever post and spacing groove, thereby make the threaded rod rise along vertical direction, force transducer carries out real-time detection to the intensity of gluing agent between ceramic tile and the concrete slab.
Optionally, the fixing assembly comprises a channel steel fixed on the base, a first bolt arranged on the channel steel in a penetrating mode and in threaded connection with the channel steel, and a flexible plate fixed to the lower end of the first bolt.
Through adopting above-mentioned technical scheme, when needing fixed concrete slab, the staff only need place concrete slab in between the interior roof and the interior diapire of channel-section steel, screw up first bolt afterwards for the cooperation of flexible sheet bottom surface and channel-section steel interior diapire and support tightly concrete slab can.
In summary, the present application includes at least one of the following beneficial technical effects:
in the application, the fixing plate with the ceramic tile is clamped with the connecting block through the clamping component, so that the connection stability between the fixing plate and the connecting block is enhanced, the probability that the tension sensor is separated from the ceramic tile in the detection process is reduced, and the smooth operation of ceramic tile adhesive strength detection is facilitated;
in the application, the height of the bottom surface of the second connecting plate is gradually reduced from one end of the second clamping groove to the other end, and the open end of the lower side of the second clamping groove is fixedly provided with the stop block, so that the connection stability between the second connecting plate and the second clamping groove is enhanced, and the tensile property test work of the adhesive is facilitated;
in this application, treat the gluing agent drying back between ceramic tile and the concrete slab, the staff need open the motor for the threaded rod rises along vertical direction, can carry out real-time detection to the intensity of gluing agent between ceramic tile and the concrete slab through force sensor.
Drawings
Fig. 1 is a schematic structural diagram of an adhesive tensile testing machine according to an embodiment of the application.
FIG. 2 is a schematic structural diagram of a highlighting drive assembly according to an embodiment of the present application.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Description of reference numerals: 1. a base; 2. a fixing assembly; 21. channel steel; 22. a first bolt; 23. a flexible board; 3. a frame; 31. a housing; 4. a tension testing assembly; 41. a threaded rod; 411. a limiting groove; 42. a tension sensor; 43. a substrate; 431. a second bolt; 44. connecting blocks; 441. a first clamping groove; 442. a second clamping groove; 4421. a stopper; 4422. a rubber sheet; 5. a fixing plate; 6. a clamping assembly; 61. a first connecting plate; 62. a second connecting plate; 7. a drive assembly; 71. a motor; 72. a worm; 73. a worm gear; 74. a limiting rod; 8. a display.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses adhesive tensile testing machine. Referring to fig. 1, the adhesive tensile testing machine comprises a base 1, a fixing component 2, a rack 3, a shell 31, a tensile testing component 4, a fixing plate 5, a clamping component 6 and a driving component 7. The base 1 is a closed rectangular frame structure, and the base 1 is horizontally arranged. The fixing assembly 2 is mounted on the base 1 for fixing a concrete slab (not shown) to be fixed, and the fixing assembly 2 includes a channel 21, a first bolt 22 and a flexible plate 23. The cross section of channel-section steel 21 is the U-shaped, and the extending direction of channel-section steel 21 is parallel with width direction (d) of base 1, and two sides of channel-section steel 21 all face base 1 center one side, and the bottom surface and the base 1 upper surface of the horizontal part of channel-section steel 21 downside are fixed. The first bolt 22 has a vertical axis, and the first bolt 22 is inserted through and screwed to a horizontal portion on the upper side of the channel steel 21. The flexible plate 23 is a disc-shaped structure, the axis of the flexible plate coincides with the axis of the first bolt 22, the upper surface of the flexible plate 23 is fixed to the lower end of the first bolt 22, the flexible plate 23 is made of rubber materials, when the concrete plate to be fixed needs to be fixed, a worker only needs to place the concrete plate to be fixed between the upper side horizontal part and the lower side horizontal part of the channel steel 21, and then the first bolt 22 is screwed up, so that the bottom surface of the flexible plate 23 is matched with the upper surface of the lower side horizontal part of the channel steel 21 and abuts against the concrete plate to be fixed.
Referring to fig. 2, the frame 3 is fixed on the base 1, the housing 31 is a horizontally disposed rectangular parallelepiped structure, and the bottom surface of the housing 31 is fixed to the top of the frame 3. The tension testing assembly 4 is mounted on the housing 31, and the tension testing assembly 4 comprises a threaded rod 41, a tension sensor 42, a base plate 43 and a connecting block 44. The axis of the threaded rod 41 is vertical, the threaded rod 41 penetrates through the shell 31 and is in clearance fit with the shell 31, the top of the tension sensor 42 is fixed with the lower end of the threaded rod 41, and the tension sensor 42 is electrically connected with the external display 8. As shown in fig. 3, the base plate 43 has a disc-shaped structure, the axis of the base plate 43 coincides with the axis of the threaded rod 41, the upper surface of the base plate 43 is fixed to the bottom of the tension sensor 42, and the base plate 43 is provided with a second bolt 431 which is in clearance fit with the base plate 43. The cross section of the connecting block 44 is circular, the axis of the connecting block 44 coincides with the axis of the threaded rod 41, the bottom surface of the connecting block 44 is attached to the bottom surface of the base plate 43, and the lower end of the second bolt 431 is in threaded connection with the top of the connecting block 44, so that the connecting block 44 can be detachably mounted on the base plate 43 by a worker.
Referring to fig. 1, the fixing plate 5 is a rectangular plate-shaped structure and is disposed between the bottom surface of the connecting block 44 and the upper surface of the base 1, and tiles (not shown) are fixed to the bottom surface of the fixing plate 5 and are bonded to the concrete slab through an adhesive.
Referring to fig. 3, a first clamping groove 441 is formed in the bottom surface of the connecting block 44, a second clamping groove 442 is formed in the side wall of the connecting block 44 in a penetrating manner, the inner bottom wall of the second clamping groove 442 is communicated with the inner top wall of the first clamping groove 441, the width of the second clamping groove 442 is larger than that of the first clamping groove 441, and the height of the inner bottom wall of the second clamping groove 442 decreases from one end of the second clamping groove 442 to the other end of the second clamping groove. The clamping assembly 6 is mounted on the fixing plate 5 for connecting the fixing plate 5 and the connecting block 44, and the clamping assembly 6 includes a first connecting plate 61 and a second connecting plate 62. The first connecting plate 61 is a vertically arranged plate-shaped structure, the bottom surface of the first connecting plate is fixed to the upper surface of the fixing plate 5, and the first connecting plate 61 is in clamping fit with the first clamping groove 441. Second connecting plate 62 is the platelike structure that the slope set up, and its bottom surface and first connecting plate 61 upper surface are fixed, second connecting plate 62 and the cooperation of second joint groove 442 joint, and the height of second connecting plate 62 bottom surface descends to the other end from second joint groove 442 one end. Be connected through first connecting plate 61 and second connecting plate 62 between connecting block 44 and the fixed plate 5 to this makes to have comparatively firm connection between connecting block 44 and the fixed plate 5, has reduced the probability that takes place not hard up in the testing process of the connection between connecting block 44 and the fixed plate 5, is favorable to going on of gluing agent pulling force performance detection work.
Referring to fig. 3, install dog 4421 and sheet rubber 4422 in the second joint groove 442, dog 4421 is a rectangular block structure, dog 4421 sets up in the lower one end of second joint groove 442, and the bottom surface of dog 4421 is fixed with the inner bottom wall of second joint groove 442, so that good limiting effect has been played to second connecting plate 62, the probability that second connecting plate 62 slides out from the opening on the lower side of second joint groove 442 is reduced, and the stability of being connected between second connecting plate 62 and second joint groove 442 is strengthened. The rubber sheet 4422 is of a rectangular sheet structure, the bottom surface of the rubber sheet 4422 is fixed to the inner bottom wall of the second clamping groove 442, the rubber sheet 4422 is made of rubber materials and has good elastic performance, and under the matching effect of the second connecting plate 62 and the second clamping groove 442, the rubber sheet 4422 is sufficiently abutted tightly, so that the stability of connection between the second connecting plate 62 and the second clamping groove 442 is further enhanced.
Referring to fig. 2, the driving assembly 7 is mounted on the housing 31 for driving the threaded rod 41 to ascend and descend, and the driving assembly 7 includes a motor 71, a worm 72, a worm wheel 73, and a limit rod 74. The motor 71 is fixed to an outer side wall of one side of the housing 31, and an output shaft of the motor 71 penetrates through a side wall of the housing 31 and is rotatably connected with the housing 31. The axis of the worm 72 coincides with the axis of the output shaft of the motor 71, and one end of the worm 72 is fixed to the end of the output shaft of the motor 71. The axis of the worm wheel 73 is coincident with the axis of the threaded rod 41, the worm wheel 73 is sleeved on the threaded rod 41 and is in threaded connection with the threaded rod 41, the worm wheel 73 is in rotating connection with the inner top wall of the shell 31, and the worm wheel 73 is meshed with the worm 72. The limiting rod 74 is a rectangular rod-shaped structure, one end of the limiting rod is fixed to the inner wall of the shell 31, a limiting groove 411 matched with the limiting rod 74 in a sliding mode is formed in the threaded rod 41, and the extending direction of the limiting groove 411 is parallel to the axial direction of the threaded rod 41.
The implementation principle of the adhesive tensile testing machine in the embodiment of the application is as follows: the cooperation of joint between first joint groove 441 on first connecting plate 61 and the connecting block 44, the cooperation of joint between second joint groove 442 on second connecting plate 62 and the connecting block 44, so that have comparatively firm connection between connecting block 44 and the fixed plate 5, the probability that connecting between connecting block 44 and the fixed plate 5 takes place to become flexible in the testing process has been reduced, the stability of being connected between tension sensor 42 and the fixed plate 5 has been strengthened, be favorable to going on of gluing agent tensile force performance detection work. When carrying out gluing agent tensile force performance detection work, the staff only need open motor 71, motor 71 drives the worm 72 after the work and rotates, make with this worm wheel 73 with worm 72 meshing rotate, because threaded rod 41 and worm wheel 73 threaded connection, worm wheel 73 rotates with casing 31 and is connected, threaded rod 41's circumferential direction is restricted by gag lever post 74 and spacing groove 411, thereby make threaded rod 41 can follow vertical direction rebound, threaded rod 41 pulling force sensor 42, force sensor 42 then carries out the tensile test to the intensity of gluing agent between ceramic tile and the concrete slab.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an adhesive tensile testing machine, includes base (1), is fixed in frame (3) on base (1) and is fixed in casing (31) on frame (3), its characterized in that: install fixed concrete slab's fixed subassembly (2) on base (1), install tensile test subassembly (4) on casing (31), tensile test subassembly (4) including run through set up on casing (31) and with clearance fit's threaded rod (41), with fixed force sensor (42) of threaded rod (41) lower extreme, with fixed base plate (43) in force sensor (42) bottom and with base plate (43) bottom surface fixed connecting block (44), connect fixed plate (5) that have the ceramic tile on connecting block (44), through joint subassembly (6) joint between fixed plate (5) and connecting block (44), install drive assembly (7) that order about threaded rod (41) lift on casing (31).
2. The adhesive tensile testing machine according to claim 1, characterized in that: first joint groove (441) have been seted up to connecting block (44) bottom surface, set up on connecting block (44) lateral wall with second joint groove (442) of the interior roof intercommunication of first joint groove (441), joint subassembly (6) including with fixed plate (5) upper surface fixed first connecting plate (61) and with first connecting plate (61) upper surface connected's second connecting plate (62), first connecting plate (61) and first joint groove (441) joint cooperation, second connecting plate (62) and second joint groove (442) joint cooperation.
3. The adhesive tensile testing machine according to claim 2, characterized in that: and a rubber sheet (4422) is fixed on the inner bottom wall of the second clamping groove (442).
4. The adhesive tensile testing machine according to claim 3, characterized in that: both ends of the second clamping groove (442) are open.
5. The adhesive tensile testing machine according to claim 4, characterized in that: the second connecting plate (62) is obliquely arranged, the height of the bottom surface of the second connecting plate (62) is gradually reduced from one end of the second clamping groove (442) to the other end of the second clamping groove, a stop block (4421) is arranged at the opening end of one side, away from the substrate (43), of the second clamping groove (442), and the bottom surface of the stop block (4421) is fixed with the inner bottom wall of the second clamping groove (442).
6. The adhesive tensile testing machine according to claim 1, characterized in that: and a second bolt (431) in clearance fit with the base plate (43) penetrates through the base plate (43), and the lower end of the second bolt (431) is in threaded connection with the connecting block (44).
7. The adhesive tensile testing machine according to claim 1, characterized in that: drive assembly (7) including with casing (31) lateral wall fixed motor (71), with output shaft end fixed worm (72) of motor (71), cover locate on threaded rod (41) and with casing (31) interior roof rotate be connected worm wheel (73) and with casing (31) inner wall fixed gag lever post (74), worm wheel (73) and worm (72) meshing, offer on threaded rod (41) and slide spacing groove (411) of being connected with gag lever post (74).
8. The adhesive tensile testing machine according to claim 1, characterized in that: the fixing component (2) comprises a channel steel (21) fixed on the base (1), a first bolt (22) which is arranged on the channel steel (21) in a penetrating mode and in threaded connection with the channel steel (21), and a flexible plate (23) fixed to the lower end of the first bolt (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255450.5U CN214201138U (en) | 2020-12-29 | 2020-12-29 | Adhesive tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255450.5U CN214201138U (en) | 2020-12-29 | 2020-12-29 | Adhesive tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214201138U true CN214201138U (en) | 2021-09-14 |
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ID=77630903
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023255450.5U Expired - Fee Related CN214201138U (en) | 2020-12-29 | 2020-12-29 | Adhesive tensile testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214201138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130638A1 (en) * | 2022-01-06 | 2023-07-13 | 江苏科技大学 | Apparatus and method for testing binding performance of geomembrane |
-
2020
- 2020-12-29 CN CN202023255450.5U patent/CN214201138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130638A1 (en) * | 2022-01-06 | 2023-07-13 | 江苏科技大学 | Apparatus and method for testing binding performance of geomembrane |
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Granted publication date: 20210914 |