CN219842294U - Seawater erosion and power coupling damage test device - Google Patents
Seawater erosion and power coupling damage test device Download PDFInfo
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- CN219842294U CN219842294U CN202321109682.0U CN202321109682U CN219842294U CN 219842294 U CN219842294 U CN 219842294U CN 202321109682 U CN202321109682 U CN 202321109682U CN 219842294 U CN219842294 U CN 219842294U
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- 238000012360 testing method Methods 0.000 title claims abstract description 121
- 239000013535 sea water Substances 0.000 title claims abstract description 45
- 230000003628 erosive effect Effects 0.000 title claims abstract description 22
- 230000008878 coupling Effects 0.000 title claims abstract description 20
- 238000010168 coupling process Methods 0.000 title claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 230000007797 corrosion Effects 0.000 claims description 14
- 238000005260 corrosion Methods 0.000 claims description 14
- 238000005461 lubrication Methods 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims 3
- 230000001808 coupling effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 239000002131 composite material Substances 0.000 description 6
- 238000004088 simulation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a seawater erosion and power coupling damage test device, which comprises: the test box is used for placing a concrete test piece; one end of the fatigue loading mechanism is fixedly arranged, and the other end of the fatigue loading mechanism is arranged on the top of the test box in a penetrating way and is used for carrying out fatigue loading on the concrete test piece; the seawater pressurizing mechanism is communicated with the inside of the test box and is used for injecting corrosive liquids with different pressures into the test box; the damage measuring mechanism is arranged in the test box and used for monitoring the damage state of the concrete test piece. The utility model considers the coupling effect of seawater erosion and dynamic load at the same time, more accords with the service environment of concrete, can dynamically monitor the damage state of the concrete, and obtains the result which basically accords with the actual situation.
Description
Technical Field
The utility model belongs to the technical field of concrete test equipment, and particularly relates to a seawater erosion and dynamic coupling damage test device.
Background
Along with the rapid development of social economy in China, the ocean value is also more and more important. Because the traffic and transportation demands are continuously increased, cross-sea bridges and immersed tube tunnels are required to be built in the ocean, and the cross-sea bridges and immersed tube tunnels can be connected with two banks, so that the transportation of personnel and materials is facilitated, and meanwhile, the development of regional economy is facilitated. Along with the great development of offshore engineering in China, the engineering quantity of the marine concrete will be in the trend of acceleration growth in the future.
The submarine tunnel is in a very special and complex environment, the influence of seawater erosion, tides, sea waves and other factors on the immersed tube tunnel is needed to be considered, and the long-term operation safety risk is extremely high. The marine environment contains rich chemical substances such as salt and chloride ions, and the ions can permeate into the immersed tube tunnel composite foundation concrete and react with calcium ions in cement petrochemicals to cause the dissolution and corrosion of substances on the surface of the immersed tube tunnel composite foundation concrete. Seawater ion erosion can affect the physical and chemical properties of the immersed tube tunnel composite foundation concrete. In the immersed tunnel operation process, the composite foundation concrete needs to bear the action of mechanical loads from pipelines, traffic loads and the like, and the loads can influence the strength, stability, compression resistance, deformation performance and the like of the composite foundation concrete.
In the prior art, in order to solve the service performance of seawater erosion and traffic load on immersed tunnel composite foundation concrete, numerical simulation and indoor test research are mainly adopted, but the current indoor tests only surround single factor expansion experiments such as seawater erosion or traffic load, and the like, the consideration is incomplete, and the deviation between the obtained result and the actual situation is large.
Disclosure of Invention
The utility model aims to provide a seawater erosion and power coupling damage test device, which is more in line with the service environment of concrete by considering the coupling effect of seawater erosion and power load, and can dynamically monitor the damage state of the concrete to obtain a result which is basically in line with the actual situation.
The utility model is realized by the following technical scheme:
a seawater erosion and dynamic coupling damage test device, comprising:
the test box is used for placing a concrete test piece;
one end of the fatigue loading mechanism is fixedly arranged, and the other end of the fatigue loading mechanism is arranged on the top of the test box in a penetrating way and is used for carrying out fatigue loading on the concrete test piece;
the seawater pressurizing mechanism is communicated with the inside of the test box and is used for injecting corrosive liquids with different pressures into the test box;
the damage measuring mechanism is arranged in the test box and used for monitoring the damage state of the concrete test piece.
Further, the fatigue loading mechanism comprises an MTS actuator and a dowel bar, one end of the MTS actuator is fixedly arranged, the other end of the MTS actuator is connected with the dowel bar, the dowel bar is arranged on the top of the test box in a penetrating mode, and a first base plate is arranged at one end, located in the test box, of the dowel bar.
Further, the MTS actuator is connected with the dowel bar through a flange plate.
Further, the seawater pressurizing mechanism comprises an air compressor, a pressure-bearing water tank and a water delivery pipe, wherein the air compressor is communicated with the pressure-bearing water tank, one end of the water delivery pipe is communicated with the pressure-bearing water tank, the other end of the water delivery pipe is communicated with the test box, and the water delivery pipe is provided with a switch valve.
Further, the damage measuring mechanism comprises an ultrasonic wave transmitting sensor, an ultrasonic wave receiving sensor and two concrete cushion blocks, wherein the ultrasonic wave transmitting sensor and the ultrasonic wave receiving sensor are respectively arranged inside the two concrete cushion blocks, and the two concrete cushion blocks are respectively arranged at the top end and the bottom end of the concrete test piece.
Further, the test chamber comprises a top plate, a bottom plate, a cylinder and a connecting mechanism, wherein the top plate is detachably connected with the bottom plate through the connecting mechanism, and the cylinder is arranged between the top plate and the bottom plate and is respectively abutted with the top plate and the bottom plate.
Further, the connecting mechanism comprises a plurality of fixing screws, the plurality of fixing screws are fixed on the bottom plate at intervals, the top ends of the fixing screws penetrate through the top plate and are connected with fixing nuts in a threaded mode, and the cylinder is located among the plurality of fixing screws.
Further, a through hole for the fatigue loading mechanism to pass through is formed in the top of the test box, and a lubrication sleeve in sliding connection with the fatigue loading mechanism is arranged in the through hole.
Further, a second backing plate for placing a concrete test piece is arranged on the inner bottom of the test box.
Compared with the prior art, the utility model has the beneficial effects that: the device has the advantages that the device is simple in structure, convenient to install and high in automation degree, a concrete test piece can be enabled to be under the long-term coupling action of different seawater concentrations and dynamic loads through the fatigue loading mechanism and the seawater pressurizing mechanism, multiple environment types of the ocean are simulated truly, the device is more in line with the environment where the concrete is in service, in the test process, the damage state of the concrete test piece can be monitored in the whole process through the damage measuring mechanism, and then the microscopic damage mechanism of the concrete is analyzed; according to the utility model, the coupling effect of two factors of seawater erosion and dynamic load is considered, the test can be developed around multiple influencing factors, and the obtained result basically accords with the actual situation.
Drawings
FIG. 1 is a schematic diagram of a seawater erosion and dynamic coupling damage test device according to the present utility model.
In the figure, a 1-test box, a 11-top plate, a 12-bottom plate, a 13-cylinder, a 14-fixing screw, a 15-fixing nut, a 2-fatigue loading mechanism, a 21-MTS actuator, a 22-dowel bar, a 23-first backing plate, a 24-flange plate, a 3-seawater pressurizing mechanism, a 31-air compressor, a 32-pressure-bearing water tank, a 33-water delivery pipe, a 34-switching valve, a 4-damage measuring mechanism, a 41-concrete pad, a 42-ultrasonic wave transmitting sensor, a 43-ultrasonic wave receiving sensor, a 5-lubricating sleeve, a 6-second backing plate and a 7-concrete test piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present utility model, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a seawater erosion and dynamic coupling damage test device according to the present utility model. The utility model provides a sea water erosion and power coupling damage test device, including test box 1, fatigue loading mechanism 2, sea water pressurization mechanism 3 and damage measurement mechanism 4, test box 1 is used for placing concrete test piece 7, the one end of fatigue loading mechanism 2 is fixed to be set up, its other end wears to establish at the top of test box 1 for carry out fatigue loading to concrete test piece 7, sea water pressurization mechanism 3 and the inside intercommunication of test box 1 are used for injecting the corrosive liquid of different pressures in to test box 1, damage measurement mechanism 4 sets up in test box 1 for monitor the damage state of concrete test piece 7.
In one embodiment, the fatigue loading mechanism 2 comprises an MTS actuator 21 and a dowel bar 22, one end of the MTS actuator 21 is fixedly arranged, the other end of the MTS actuator is connected with the dowel bar 22, the dowel bar 22 is arranged on the top of the test box 1 in a penetrating manner, and a first backing plate 23 is arranged on one end of the dowel bar 22 located in the test box 1. The MTS actuator 21 is adopted, so that the test requirements of various frequencies and loading modes can be met, one end of the MTS actuator 21 is fixed, the other end of the MTS actuator is used as a counter force section, the dowel bar 22 is connected, and the fatigue loading is carried out on the concrete time in the test box 1 through the first backing plate 23 on the dowel bar 22. To facilitate the secure connection of the MTS actuator 21 to the dowel 22, in one embodiment, the MTS actuator 21 is connected to the dowel 22 via a flange 24. In one embodiment, MTS actuator 21 is a MTS-500kN fatigue tester.
In one embodiment, a second backing plate 6 for placing a concrete test piece 7 is provided on the inner bottom of the test chamber 1. This setting is convenient for confirm the place position of concrete test piece 7 in test box 1, and the position of second backing plate 6 is located the below of fatigue loading mechanism 2 for when concrete test piece 7 is placed on second backing plate 6, concrete test piece 7 just is located the below of fatigue loading mechanism 2, and accessible fatigue loading mechanism 2 carries out fatigue loading to concrete test piece 7 this moment. In one embodiment, the first pad 23 and the second pad 6 are each stainless steel plates.
In order to reduce the friction between the top of the test chamber 1 and the fatigue loading mechanism 2, in one embodiment, a through hole for the fatigue loading mechanism 2 to pass through is formed in the top of the test chamber 1, and a lubrication sleeve 5 in sliding connection with the fatigue loading mechanism 2 is arranged in the through hole. The lubricating sleeve 5 can reduce the friction force between the top of the test box 1 and the fatigue loading mechanism 2, and can increase the tightness of the test box 1. In one embodiment, the lubrication sleeve 5 is made of a corrosion resistant material. The service life of the lubrication sleeve 5 is prolonged.
In one embodiment, the seawater pressurizing mechanism 3 comprises an air compressor 31, a pressure-bearing water tank 32 and a water delivery pipe 33, wherein the air compressor 31 is communicated with the pressure-bearing water tank 32, one end of the water delivery pipe 33 is communicated with the pressure-bearing water tank 32, the other end of the water delivery pipe 33 is communicated with the test box 1, and the water delivery pipe 33 is provided with a switch valve 34. When the marine corrosion simulation device is used, corrosion solutions with different concentrations can be injected into the pressure-bearing water tank 32 to simulate seawater with different concentrations, of course, the seawater with different concentrations can also be directly injected into the pressure-bearing water tank 32, compressed air is conveyed to the pressure-bearing water tank 32 by the air compressor 31 to simulate different seawater pressures, the water conveying pipe 33 is opened or closed by the switch valve 34, the corrosion solution in the pressure-bearing water tank 32 is injected into the test box 1 by the water conveying pipe 33, and the marine corrosion simulation device can realize the manual marine corrosion simulation environment.
In one embodiment, the damage measurement mechanism 4 includes an ultrasonic wave transmitting sensor 42, an ultrasonic wave receiving sensor 43 and two concrete pads 41, the ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43 are respectively disposed inside the two concrete pads 41, and the two concrete pads 41 are respectively disposed at the top and bottom ends of the concrete test piece 7. During testing, the two concrete cushion blocks 41 are respectively arranged at the upper end and the lower end of the concrete test piece 7, the ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43 are connected with an external ultrasonic tester, stress waves are transmitted through the ultrasonic wave transmitting sensor 42, after the stress waves propagate in the concrete test piece 7, the stress waves are received by the ultrasonic wave receiving sensor 43 and sent to the ultrasonic tester, so that test data acquisition of the concrete test piece 7 is realized, and the damage state of the concrete test piece 7 in the test process can be obtained according to the test data. The ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43 are respectively arranged inside the two concrete cushion blocks 41, the effect of protecting the ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43 is achieved through the concrete cushion blocks 41, and the concrete cushion blocks 41 and the concrete test piece 7 are concrete media, so that the influence on the detection results of the ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43 can be avoided. The connection between the ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43 and the ultrasonic wave tester may be a wireless connection or a wired connection, and when the wired connection is adopted, the connection line between the ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43 and the ultrasonic wave tester passes through the top of the test box 1.
To facilitate assembly of the test chamber 1, in one embodiment, the test chamber 1 includes a top plate 11, a bottom plate 12, a cylinder 13, and a connecting mechanism, the top plate 11 being detachably connected to the bottom plate 12 by the connecting mechanism, the cylinder 13 being disposed between the top plate 11 and the bottom plate 12 and abutting the top plate 11 and the bottom plate 12, respectively. The top plate 11, the bottom plate 12 and the cylinder 13 are fixedly connected into a whole through the connecting mechanism, and a sealed containing cavity is formed among the top plate 11, the bottom plate 12 and the cylinder 13 so as to simulate the marine environment in the containing cavity. In one embodiment, the connecting mechanism comprises a plurality of fixing screws 14, the plurality of fixing screws 14 are fixed on the bottom plate 12 at intervals, the top ends of the fixing screws 14 penetrate through the top plate 11 and are connected with fixing nuts 15 in a threaded mode, and the cylinder 13 is located between the plurality of fixing screws 14. The number of the fixing screws 14 may be four, and the four fixing screws 14 are rectangular in distribution. In one embodiment, top plate 11, bottom plate 12 and cylinder 13 are all made of stainless steel.
The following is a simple description of the testing process of the seawater erosion and dynamic coupling damage testing device:
manufacturing a concrete test piece 7 by a formula; two concrete cushion blocks 41 are manufactured, and an ultrasonic emission sensor 42 and an ultrasonic tester are arranged in the concrete cushion blocks 41; a second backing plate 6, a concrete cushion block 41, a concrete test piece 7, the concrete cushion block 41 and a first backing plate 23 are sequentially arranged in the middle of the top end of the bottom plate 12 from bottom to top, and then the cylinder 13 is vertically arranged on the bottom plate 12, so that the concrete test piece 7 is positioned in the cylinder 13; connecting the ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43 with an external ultrasonic wave tester, and then vertically mounting the plurality of fixing screws 14 on the base plate 12 such that the cylinder 13 is located in the plurality of fixing screws 14; a lubrication sleeve 5 is arranged at a through hole of the top plate 11, a dowel bar 22 is arranged on a first backing plate 23 after passing through the lubrication sleeve 5 at the through hole, then the top plate 11 is arranged at the top end of a cylinder 13, a fixing screw 14 passes through the top plate 11, then a fixing nut 15 is connected with each fixing screw 14 in a threaded manner, the fixing nut 15 is made to tightly prop against the top plate 11, and the top plate 11, the bottom plate 12 and the cylinder 13 are integrally fixed into a test box 1; fixedly connecting the MTS actuator 21 with the dowel bar 22 through a flange 24, and fixedly arranging one end of the MTS; the pressure-bearing water tank 32 is communicated with the test box 1 through the water pipe 33, corrosion solution with corresponding concentration is injected into the pressure-bearing water tank 32 according to test requirements, the pressure of the air compressor 31 is adjusted to simulate corresponding seawater pressure, and the on-off valve 34 is opened to inject the corrosion liquid into the test box 1, so that the artificial simulation of the marine corrosion environment acceleration is realized; the MTS actuator 21 is opened, the real-time coupling of seawater erosion and dynamic load is realized through various frequencies and loading modes, the test data acquisition of the concrete test piece 7 is realized through the ultrasonic wave transmitting sensor 42 and the ultrasonic wave receiving sensor 43, and the microscopic damage degradation mechanism and the strength and rigidity attenuation law of the cement soil under different chloride salt concentration erosion environments and loading modes are tested and analyzed.
Compared with the prior art, the utility model has the beneficial effects that: the device has the advantages that the device is simple in structure, convenient to install and high in automation degree, the concrete test piece 7 can be under the long-term coupling action of different seawater concentrations and dynamic loads through the fatigue loading mechanism 2 and the seawater pressurizing mechanism 3, multiple environment types of the ocean can be truly simulated, the device is more in line with the environment where the concrete is in service, in the test process, the damage state of the concrete test piece 7 can be monitored in the whole process through the damage measuring mechanism 4, and then the microscopic damage mechanism of the concrete can be analyzed; according to the utility model, the coupling effect of two factors of seawater erosion and dynamic load is considered, the test can be developed around multiple influencing factors, and the obtained result basically accords with the actual situation.
The present utility model is not limited to the preferred embodiments, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model will still fall within the scope of the technical solution of the present utility model.
Claims (9)
1. Seawater erosion and power coupling damage test device, which is characterized by comprising:
the test box is used for placing a concrete test piece;
one end of the fatigue loading mechanism is fixedly arranged, and the other end of the fatigue loading mechanism is arranged on the top of the test box in a penetrating way and is used for carrying out fatigue loading on the concrete test piece;
the seawater pressurizing mechanism is communicated with the inside of the test box and is used for injecting corrosive liquids with different pressures into the test box;
the damage measuring mechanism is arranged in the test box and is used for monitoring the damage state of the concrete test piece.
2. The seawater corrosion and dynamic coupling damage test device according to claim 1, wherein the fatigue loading mechanism comprises an MTS actuator and a dowel bar, one end of the MTS actuator is fixedly arranged, the other end of the MTS actuator is connected with the dowel bar, the dowel bar is arranged on the top of the test box in a penetrating manner, and a first base plate is arranged on one end of the dowel bar, which is located in the test box.
3. The seawater corrosion and dynamic coupling damage testing apparatus of claim 2, wherein the MTS actuator is connected to the dowel bar via a flange.
4. The seawater erosion and power coupling damage test device according to claim 1, wherein the seawater pressurizing mechanism comprises an air compressor, a pressure-bearing water tank and a water delivery pipe, the air compressor is communicated with the pressure-bearing water tank, one end of the water delivery pipe is communicated with the pressure-bearing water tank, the other end of the water delivery pipe is communicated with the test box, and a switch valve is arranged on the water delivery pipe.
5. The seawater corrosion and power coupling damage test device of claim 1, wherein the damage measuring mechanism comprises an ultrasonic wave transmitting sensor, an ultrasonic wave receiving sensor and two concrete cushion blocks, wherein the ultrasonic wave transmitting sensor and the ultrasonic wave receiving sensor are respectively arranged inside the two concrete cushion blocks, and the two concrete cushion blocks are respectively arranged at the top end and the bottom end of the concrete test piece.
6. The seawater etching and dynamic coupling damage test device of claim 1, wherein the test chamber comprises a top plate, a bottom plate, a cylinder and a connecting mechanism, the top plate is detachably connected with the bottom plate through the connecting mechanism, and the cylinder is arranged between the top plate and the bottom plate and is respectively abutted with the top plate and the bottom plate.
7. The seawater etching and dynamic coupling damage test device of claim 6, wherein the connecting mechanism comprises a plurality of fixing screws, the plurality of fixing screws are fixed on the bottom plate at intervals, the top ends of the fixing screws penetrate through the top plate and are connected with fixing nuts in a threaded manner, and the cylinder is arranged among the plurality of fixing screws.
8. The seawater corrosion and dynamic coupling damage test device according to claim 1, wherein a through hole for the fatigue loading mechanism to pass through is formed in the top of the test box, and a lubrication sleeve in sliding connection with the fatigue loading mechanism is arranged in the through hole.
9. The seawater etching and dynamic coupling damage test device according to claim 1, wherein a second backing plate for placing a concrete test piece is arranged on the inner bottom of the test box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321109682.0U CN219842294U (en) | 2023-05-09 | 2023-05-09 | Seawater erosion and power coupling damage test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321109682.0U CN219842294U (en) | 2023-05-09 | 2023-05-09 | Seawater erosion and power coupling damage test device |
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| Publication Number | Publication Date |
|---|---|
| CN219842294U true CN219842294U (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321109682.0U Active CN219842294U (en) | 2023-05-09 | 2023-05-09 | Seawater erosion and power coupling damage test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN219842294U (en) |
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2023
- 2023-05-09 CN CN202321109682.0U patent/CN219842294U/en active Active
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Address after: 528200 No. 33, Guangyun Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan University Country or region after: China Address before: 528200 No. 33, Guangyun Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN University Country or region before: China |
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