CN219455865U - Cast-in-place concrete joint seepage flow path monitoring test device - Google Patents
Cast-in-place concrete joint seepage flow path monitoring test device Download PDFInfo
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- CN219455865U CN219455865U CN202320209123.0U CN202320209123U CN219455865U CN 219455865 U CN219455865 U CN 219455865U CN 202320209123 U CN202320209123 U CN 202320209123U CN 219455865 U CN219455865 U CN 219455865U
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Abstract
The utility model relates to the technical field of test equipment, and discloses a device for monitoring a seepage path of a cast-in-place concrete joint, which comprises a test box and a water supply system, wherein the test box comprises a box body and a partition board, and the box body is made of transparent materials; the two partition boards divide the box body into a water inlet cavity, a filling cavity and a drainage cavity, and the box body is provided with a water inlet, a grouting port and a water outlet; the water supply system comprises a water storage barrel, a pressurizing device and a collecting barrel. The pressurization device sends colored water into the water inlet cavity, gas in the water inlet cavity flows out from the exhaust valve at the top, air is guaranteed to be exhausted, water flows into the filling cavity and flows into the collecting barrel after being exhausted into the water outlet cavity, a box body made of transparent materials is adopted to simulate a concrete layer, a seepage path of the water flow can be directly observed, the seepage path can be clearer after the water flow is dyed, and the seepage path of the waterproof material is monitored; the material of the grouting material and the components of the water source are changed, so that seepage paths under different water flow environments and different waterproof materials can be tested.
Description
Technical Field
The utility model relates to the technical field of test equipment, in particular to a device for monitoring and testing a seepage path of a cast-in-place concrete joint.
Background
With the progress of science and technology and the development of age, underground space engineering plays a significant role in life, and the importance of tunnels as important components of underground space engineering is self-evident in China where infrastructure is important. As more and more tunnels are established and used, they become an indispensable part of people's daily trips, and thus, a good and safe state of the tunnels must be ensured.
Waterproofing is a major challenge that must be faced by underground space engineering. According to engineering specifications, although the tunnel is built by adopting waterproof measures layer by layer, engineering practice shows that the water seepage problem is a serious disease of tunnel engineering, and the engineering community has a ten-tunnel nine-leak statement. Among all the structural parts of the tunnel where leakage damage is likely to occur, the joint is the part with the highest occurrence frequency of the water seepage phenomenon and is the disaster area where the leakage water of the tunnel frequently occurs, so the water prevention at the joint of the tunnel is the key point of the water prevention of the tunnel.
The tunnel joint is a collective name of a tunnel deformation joint and a construction joint, and for tunnel lining structures such as integral lining, composite lining and the like which are frequently used for a tunnel, the joint structure mainly comprises cast-in-place concrete on two sides and related waterproof structures and joint filling materials in joints formed by the cast-in-place concrete. Two necessary conditions for the tunnel to leak are pressurized water and a seepage channel which can enable the pressurized water to bypass the existing seam waterproof measure and enter the tunnel. Therefore, it is necessary to conduct experimental study of the water leakage mechanism of the existing cast-in-place concrete joint waterproof measures, and it is necessary to analyze the seepage path of pressurized water.
The patent with the application number of CN201720275512.8 discloses a seepage experimental device for quantitatively observing a seepage path, which comprises five probes, a glass tube with scales and the seepage experimental device, wherein the seepage experimental device accurately tracks the seepage path through quantitative monitoring of conductivity. Another patent with application number CN201610157800.3 discloses a rock mass seepage path observation device based on isotope tracing technology and a use method thereof, comprising a rock mass sample with seepage holes, wherein one end of the rock mass sample is provided with a water inlet, the other end is provided with a water outlet, a radioisotope tracer mixed with liquid circulates from the water inlet to the water outlet, one side of the rock mass sample is provided with a bracket, a lifting device is arranged on the bracket, a detector for tracking rays released by the radioisotope is arranged on the lifting device, and the device tracks the seepage path through the isotope tracing technology.
Although the above-described test apparatus has studied the seepage path from different methods, most of the above-described test apparatus is a rock mass or a soil mass, and in the case of tunnel joint waterproofing, the rock mass is not a subject. In addition, waterproof materials are usually arranged at joints of the tunnel, including grouting materials, joint filling plates and the like, and a seepage and seepage path of the waterproof materials is an important verification for proving the waterproof performance of the materials, is visual detection of the waterproof capacity of the tunnel, and a test device for analyzing the seepage path of the waterproof materials is not arranged in the conventional equipment.
Disclosure of Invention
The purpose of the utility model is that: the utility model provides a cast in situ concrete joint seepage flow path monitors test device to solve the seepage flow path to waterproof material among the prior art and monitor the problem.
In order to achieve the above purpose, the utility model provides a device for monitoring a seepage path of a cast-in-place concrete joint, which comprises a test box and a water supply system connected with the test box, wherein the test box comprises a box body and a partition board detachably assembled in the box body, and the box body is made of transparent materials;
the two partition boards are arranged in the box body at intervals, the two partition boards divide the box body into a water inlet cavity, a filling cavity and a drainage cavity in sequence along the water flowing direction, a water inlet, a grouting opening and a drainage opening are formed in the box body, the water inlet is communicated with the water inlet cavity, the grouting opening is communicated with the filling cavity, the filling cavity is used for filling grouting sealing materials or joint filling plates, the drainage opening is communicated with the drainage cavity, an exhaust valve is further arranged at the top of the box body, and the exhaust valve is communicated with the water inlet cavity;
the water supply system comprises a water storage barrel, a pressurizing device and a collecting barrel, wherein the pressurizing device is communicated with the water storage barrel, the water storage barrel is used for storing colored water, the water storage barrel is communicated with the water inlet, and the collecting barrel is communicated with the water outlet.
Preferably, the box comprises a top plate, a middle frame and a bottom plate which are arranged in a stacked mode and fixedly connected, the middle frame is of a hollow structure, the partition board is detachably connected with the middle frame, the grouting opening is formed in the top plate, and the water inlet and the water outlet are all formed in the middle frame.
Preferably, the middle frame comprises two opposite U-shaped plates and a strip-shaped plate arranged between the two U-shaped plates, a space is arranged between the strip-shaped plate and the U-shaped plates, and the partition plate is penetrated in the space; the device for monitoring and testing the seepage path of the cast-in-place concrete joint further comprises a plug, wherein the plug is detachably connected with the top plate and the bottom plate, and the plug is used for plugging the interval after the partition plate is detached from the middle frame.
Preferably, the top surface and the bottom surface of the partition plate are both provided with sealing gaskets.
Preferably, the top plate, the middle frame and the bottom plate are all made of acrylic plates.
Preferably, the pressurizing device is a compressor, and a pressure gauge for detecting the internal pressure is arranged on the water storage barrel.
Preferably, the collecting barrel is a measuring barrel.
Preferably, the water inlet is also integrally provided with a one-way valve.
Compared with the prior art, the device for monitoring and testing the seepage path of the cast-in-place concrete joint has the beneficial effects that: the partition board is detachably assembled in the box body, the partition board divides the box body into a water inlet cavity, a filler cavity and a water draining cavity, when a seepage path of waterproof materials is required to be monitored, the waterproof materials formed by grouting materials can be filled in the filler cavity through a grouting opening, or a caulking plate is arranged in the filler cavity, the partition board is removed, colored water in the water storage barrel is sent into the water inlet cavity by the pressurizing device, the pressurized water environment of tunnel seepage is simulated, gas in the water inlet cavity flows out from the exhaust valve at the top, air is guaranteed to be discharged completely, water flows into the filler cavity and flows into the water draining cavity through the water draining opening, the seepage path of the water flow can be directly observed by adopting the box body made of transparent materials, and therefore, the seepage path of the waterproof materials is monitored in the test process; in addition, because the colored water is stored in the water storage barrel, the seepage path can be clearer after the water flow is dyed, and the seepage paths under different water flow environments and different waterproof materials can be tested by changing the material of the grouting material and the water composition in the water storage barrel.
Drawings
FIG. 1 is a schematic structural view of a cast-in-place concrete joint seepage path monitoring test apparatus of the present utility model;
FIG. 2 is a front view of the box of the cast-in-place concrete joint seepage path monitoring test apparatus of the present utility model;
FIG. 3 is a top view of the case of FIG. 2;
FIG. 4 is a right side view of the case of FIG. 2;
FIG. 5 is a schematic view of the structure of the top plate of the case of FIG. 2;
FIG. 6 is a schematic view of the structure of the middle frame of the case of FIG. 2;
fig. 7 is a schematic structural view of a bottom plate of the case of fig. 2.
In the figure, 1, a box body, 11, a top plate, 12, a middle frame, 13, a bottom plate, 14, a water inlet, 15, a grouting opening, 16, a water outlet, 17, a plug, 2, a baffle plate, 21, a sealing gasket, 3, a water inlet cavity, 4, a filling cavity, 5, a water outlet cavity, 6, a water storage barrel, 7, a compressor, 8, a collecting barrel, 9, a pressure gauge, 10 and an exhaust valve.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The preferred embodiment of the in-situ concrete joint seepage path monitoring test device comprises a test box and a water supply system, wherein the test box is used for simulating the environment of tunnel seepage, and the water supply system is used for injecting water into the test box as shown in fig. 1 to 7.
The test box comprises a box body 1 and a partition plate 2, wherein the partition plate 2 is detachably arranged in the box body 1, and the box body 1 can simulate concrete layers on two sides of a tunnel and simulate a cast-in-place concrete joint structure of the tunnel to a certain extent. The box 1 is transparent material structure, and transparent material makes the seepage flow path of rivers can directly be observed clearly from outside to the experimenter, monitors the seepage flow path of rivers in waterproof material.
The two partition boards 2 are arranged in the box body 1 at intervals, the two partition boards 2 are arranged at intervals along the flow direction of water flow, the box body 1 is divided into a water inlet cavity 3, a filling cavity 4 and a drainage cavity 5 by the two partition boards 2, and the water inlet cavity 3, the filling cavity 4 and the drainage cavity 5 are sequentially formed along the flow direction of water flow. The water inlet cavity 3 is used for containing a water source conveyed by a water supply system, the filling cavity 4 is used for filling grouting sealing materials or joint filling plates, and the water outlet cavity 5 is used for temporarily storing water flow seeped out by the waterproof materials in the filling cavity 4.
The existing waterproof materials mainly comprise various grouting plugging materials and tunnel caulking plate materials, wherein the grouting plugging materials comprise polyurethane materials, water glass materials, cement-based materials and the like, and the caulking plate materials comprise PE backing plates and the like. When the waterproof material is arranged in the filler cavity 4, the grouting plugging material can be filled in a grouting mode, and the caulking plate material can be embedded in the box body 1.
The box body 1 is provided with a water inlet 14, a grouting opening 15 and a water outlet 16, the water inlet 14 is communicated with the water inlet cavity 3, the grouting opening 15 is communicated with the filler cavity 4, the water outlet 16 is communicated with the water outlet cavity 5, and the water outlet 16 is connected with a water outlet valve. In tunnel seam waterproofing, grouting plugging is a commonly used waterproofing method, and different grouting materials will result in different control effects. The grouting materials used for grouting and waterproofing tunnel joints are various, besides common cement-based materials, chemical slurries such as polyurethane and epoxy resin are used, and the slurries are different from each other, but the grouting materials have the common characteristic that the grouting is used for realizing the waterproofing effect.
The grouting opening 15 is arranged on the box body 1, and as grouting requires a certain closed space, the grouting opening 15 is arranged on the box body 1, so that grouting conditions are met, the box body 1 is not required to be disassembled, and the filler cavity 4 is filled with the waterproof material to be tested. The filling cavity 4 has no other requirements except that the material to be measured is required to be filled in the filling area, so that the seepage path of the slurry which can be filled in the filling cavity 4 can be tested, and after the grouting material is changed, the seepage prevention effect, the seepage path and the seepage flow of different materials can be compared.
The water supply system comprises a water storage barrel 6, a pressurizing device and a collecting barrel 8, wherein the pressurizing device is communicated with the water storage barrel 6, the water storage barrel 6 is communicated with a water inlet 14 on the box body 1, and the collecting barrel 8 is communicated with a water outlet 16 on the box body 1. The water storage barrel 6 is used for storing colored water, and the pressurizing device is used for pressurizing a water source in the water storage barrel 6 and conveying the pressurized water source into the water inlet cavity 3.
The top of the box body 1 is also provided with an exhaust valve 10, and the exhaust valve 10 is communicated with the water inlet cavity 3. When pressurized water is conveyed from the water storage barrel 6 into the water inlet cavity 3, the exhaust valve 10 is opened, and as the drain valve is arranged at the top, water flow fills the water inlet cavity 3 from bottom to top during water injection, and air is discharged from the valve of the exhaust valve 10; after water is injected to overflow from the exhaust valve 10, the exhaust valve 10 is closed, so that air can be discharged completely.
In addition, before the experiment is carried out, water is filled in the water inlet cavity 3 in advance, and then the water storage barrel 6 is communicated with the water inlet 14, so that the situation that gas enters into a gap of the box body 1 under the action of water pressure due to the existence of air in the water inlet cavity 3 at the beginning of the experiment can be avoided, and the gap is enlarged, so that the result deviation of the experiment test is larger.
In a real tunnel deblocking environment, the periphery of the joint filler or the anti-blocking material is filled with pressurized water, the pressurized water source can simulate the pressurized water environment when the tunnel leaks in the water inlet cavity 3, and water flow discharged after seepage enters the water discharge cavity 5 and flows into the collecting barrel 8 through the water discharge outlet 16.
The colored water is water added with pigment, a certain amount of pigment is added into the water, so that the color of water flow is different from that of the box body 1 made of transparent materials, the color of the pigment is required to be greatly different from that of the seam waterproof material to be tested so as to form strong contrast, and a seepage path is clearly and intuitively observed through the color difference in the water seepage process. In this embodiment, the ink is added to the water to form colored water, and in other embodiments, a coloring agent capable of strongly contrasting the color of the material to be measured may be added to form colored water.
Because the underground water contains various ions and the underground water components in different areas are different, the waterproof structure of the underground facility is in a complicated and various ion environment, and the waterproof materials of the tunnel joints can be affected differently by the different ions. Because of the existence of the water storage bucket 6, the water source flowing into the water inlet cavity 3 becomes controllable, so that the water inlet component can be changed. By changing the components of the water source, the waterproof effect detection and the corresponding seepage path visualization of the waterproof material of the tunnel joint structure under different groundwater environments can be realized.
The partition board 2 is detachably assembled in the box body 1 of the cast-in-place concrete joint seepage path monitoring test device, the partition board 2 divides the box body 1 into a water inlet cavity 3, a filler cavity 4 and a drainage cavity 5, when the seepage path of waterproof materials needs to be monitored, the waterproof materials formed by grouting materials can be filled in the filler cavity 4 through a grouting opening 15, or a joint filling board is arranged in the filler cavity 4, and then the partition board 2 is detached; the pressurizing device sends colored water in the water storage barrel 6 into the water inlet cavity 3, simulates a pressurized water environment of tunnel water seepage, the water flow enters the filling cavity 4 and is discharged into the water discharge cavity 5, the water flows into the collecting barrel 8 through the water discharge port 16, the concrete layer is simulated by adopting the box body 1 made of transparent materials, and the seepage path of the water flow can be directly observed in the test process, so that the monitoring of the seepage path of the waterproof materials is realized; in addition, because the colored water is stored in the water storage barrel 6, the seepage path can be clearer after the water flow is dyed, and the seepage paths under different water flow environments and different waterproof materials can be tested by changing the material of the grouting material and the water composition in the water storage barrel 6.
Preferably, the box 1 comprises a top plate 11, a middle frame 12 and a bottom plate 13 which are arranged in a stacked manner and fixedly connected, the middle frame 12 is of a hollow structure, the partition plate 2 is detachably connected with the middle frame 12, the grouting opening 15 is arranged on the top plate 11, and the water inlet 14 and the water outlet 16 are both arranged on the middle frame 12.
The box body 1 is formed by a top plate 11, a middle frame 12 and a bottom plate 13, the middle frame 12 can provide a required area for a seepage path test, and the top plate 11 and the bottom plate 13 can simulate concrete on two sides of a joint in a tunnel so as to simulate the joint structure of a cast-in-place tunnel, and meanwhile, the seepage path of pressurized water can be clearly reflected.
In this embodiment, the top plate 11, the bottom plate 13 and the middle frame 12 are connected by bolts, so that the assembly and the disassembly are convenient, and waterproof materials such as a caulking plate can be embedded into the packing cavity 4 in the box body 1 in the assembly process. The top plate 11 and the bottom plate 13 are rectangular plate structures, and bolt holes are formed in the outer edges of the top plate 11 and the bottom plate 13 and used for being connected and fixed with the middle frame 12. In this embodiment, waterproof sealant may be applied between the top plate 11 and the middle frame 12, and between the middle frame 12 and the bottom plate 13 to prevent water seepage from leaking out of the gaps.
Preferably, the middle frame 12 comprises two opposite U-shaped plates and a strip-shaped plate arranged between the two U-shaped plates, a space is arranged between the strip-shaped plate and the U-shaped plates, and the partition plate 2 is arranged in the space in a penetrating way; the device for monitoring and testing the seepage path of the cast-in-place concrete joint also comprises a plug 17, wherein the plug 17 is detachably connected with the top plate 11 and the bottom plate 13, and the plug 17 is used for plugging the interval after the partition plate 2 is detached from the middle frame 12.
The middle frame 12 is formed by assembling a U-shaped plate and a strip-shaped plate, so that the forming mode of the interval is simplified, the space between the two intervals is the packing cavity 4, the partition plate 2 is conveniently assembled in the middle frame 12, and the joint filling plate is conveniently embedded into the packing cavity 4 during assembly. Bolt holes are formed in the U-shaped plates and used for realizing connection with the top plate 11 and the bottom plate 13, and the strip-shaped plates can be pressed and fixed by tightening bolts between the top plate 11 and the bottom plate 13.
After the whole box body 1 is assembled, the partition plates 2 can be inserted into the interval of the middle frame 12, and the two partition plates 2 can form a sealed filling cavity 4 with the top plate 11 and the bottom plate 13, so that slurry is prevented from scattering. In this embodiment, the length of the partition plate 2 is longer than the lengths of the top plate 11 and the bottom plate 13, so that the partition plate 2 is drawn out of the case 1 after grouting. After the partition plate 2 is drawn out, the plugs 17 can fill the space on the middle frame 12 to prevent water seepage from seeping out from the space.
Preferably, both the top and bottom surfaces of the partition plate 2 are provided with gaskets 21.
The gasket 21 can effectively prevent diffusion of the slurry at night during grouting to limit the slurry in the packing cavity 4 by increasing the sealing property between the partition plate 2 and the top plate 11 and the bottom plate 13.
Preferably, the top plate 11, the middle frame 12 and the bottom plate 13 are all made of acrylic plates.
The acrylic plate is used as a material with mature manufacturing technology, so that the cost of the test device can be reduced, and meanwhile, the acrylic plate can be made into a transparent material, so that the requirement of observing a seepage path is met.
Preferably, the pressurizing means is a compressor 7, and the water storage tub 6 is provided with a pressure gauge 9 for detecting the internal pressure.
The compressor 7 supplies air pressure to the whole water storage barrel 6, the water pressure of the test device is converted by the air pressure, the air inlet valve of the water storage barrel 6 is opened, the air pressure is acted on the water storage barrel 6 filled with water by the compressor 7, and the air pressure is converted into the water pressure. The pressure gauge 9 can reflect the air pressure in the water storage barrel 6, so that the pressure can be accurately controlled by a tester.
Preferably, the collection tub 8 is a measuring tub.
Pressurized water permeated by the waterproof material enters the drainage cavity 5 and flows into the measuring barrel through the drainage outlet 16, and the measuring barrel can be used for test personnel to observe seepage better. As an index for detecting the waterproof effect of the material, the water seepage quantity can reflect the strength of the waterproof performance of the material, and after the water seepage is collected in the measuring barrel, the tester can quantitatively detect the seepage quantity of the water seepage.
Preferably, a one-way valve is also integrally arranged at the water inlet 14.
The water inlet 14 is integrated with a one-way valve, and the one-way valve can enable water to flow in the water inlet cavity 3 in a one-way mode, so that backflow of the water is effectively prevented.
The working process of the utility model is as follows: when the seepage path monitoring test is carried out, the box body 1 is assembled by the top plate 11, the middle frame 12 and the bottom plate 13, the partition plate 2 formed by acrylic strips is inserted into the gap of the middle frame 12, and before the partition plate 2 is inserted, an oil layer can be smeared on one side of the partition plate 2, which faces the packing cavity 4, so that the slurry to be tested is prevented from being adhered to the side face of the partition plate 2, and the partition plate 2 is difficult to take out after grouting.
The waterproof material of the tunnel joint is injected into the filling cavity 4 through the grouting holes, after the waterproof material expands and spreads until the whole filling cavity 4 is filled, the partition board 2 is extracted, the plug 17 is embedded into the partition board 2, and the plug 17 is fixedly connected with the top board 11 and the bottom board 13 through bolts. Waterproof sealant is smeared around the box body 1 to prevent pressurized water from exuding from the gaps. If the waterproof material is a caulking material such as a PE pad, the caulking plate is embedded into the filler cavity 4 during the process of assembling the box body 1, and the middle frame 12 is directly sealed by the plug 17.
The water inlet cavity 3 is filled with water through the water inlet 14 by using the injector, and air in the water inlet cavity 3 is exhausted, so that the material to be measured is in a water environment. The pressure barrel is filled with water, a certain amount of ink is poured into the pressure barrel, colored water is formed after the water is dyed, the compressor 7, the water storage barrel 6, the box body 1 and the collecting barrel 8 are connected, and all valves are closed.
The air inlet valve on the compressor 7 and the water storage barrel 6 is opened, the water outlet valve on the water outlet 16 is slowly opened, so that pressurized water in the water storage barrel 6 slowly enters the water inlet cavity 3, and the pressurized water permeates into the water outlet cavity 5 through the waterproof material of the filling cavity 4, flows into the collecting barrel 8 through the water outlet 16, and a tester can monitor a seepage path and seepage flow in real time.
In summary, the embodiment of the utility model provides a device for monitoring a seepage path of a cast-in-place concrete joint, which is characterized in that a baffle is detachably arranged in a box body, the baffle divides the box body into a water inlet cavity, a filler cavity and a drainage cavity, when the seepage path of waterproof materials needs to be monitored, the filler cavity is filled with the waterproof materials formed by grouting materials through a grouting port, or a caulking plate is arranged in the filler cavity, the baffle is removed, the pressurizing device sends colored water in a water storage bucket into the water inlet cavity, the pressurized water environment of tunnel seepage is simulated, gas in the water inlet cavity flows out from an exhaust valve at the top, air is guaranteed to be exhausted, water flows into the filler cavity and flows into a collecting bucket through a drainage port, the box body made of transparent materials is adopted to simulate the concrete layer, and the seepage path of the water flows can be directly observed in the test process, so that the seepage path of the waterproof materials is monitored; in addition, because the colored water is stored in the water storage barrel, the seepage path can be clearer after the water flow is dyed, and the seepage paths under different water flow environments and different waterproof materials can be tested by changing the material of the grouting material and the water composition in the water storage barrel.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. The device is characterized by comprising a test box and a water supply system connected with the test box, wherein the test box comprises a box body and a partition plate detachably assembled in the box body, and the box body is made of transparent materials;
the two partition boards are arranged in the box body at intervals, the two partition boards divide the box body into a water inlet cavity, a filling cavity and a drainage cavity in sequence along the water flowing direction, a water inlet, a grouting opening and a drainage opening are formed in the box body, the water inlet is communicated with the water inlet cavity, the grouting opening is communicated with the filling cavity, the filling cavity is used for filling grouting sealing materials or joint filling plates, the drainage opening is communicated with the drainage cavity, an exhaust valve is further arranged at the top of the box body, and the exhaust valve is communicated with the water inlet cavity;
the water supply system comprises a water storage barrel, a pressurizing device and a collecting barrel, wherein the pressurizing device is communicated with the water storage barrel, the water storage barrel is used for storing colored water, the water storage barrel is communicated with the water inlet, and the collecting barrel is communicated with the water outlet.
2. The in-situ concrete joint seepage path monitoring test device of claim 1, wherein the box body comprises a top plate, a middle frame and a bottom plate which are arranged in a stacked mode and fixedly connected, the middle frame is of a hollow structure, the partition plate is detachably connected with the middle frame, the grouting opening is formed in the top plate, and the water inlet and the water outlet are both formed in the middle frame.
3. The in-situ concrete joint seepage path monitoring test device of claim 2, wherein the middle frame comprises two opposite U-shaped plates and a strip-shaped plate arranged between the two U-shaped plates, a space is arranged between the strip-shaped plate and the U-shaped plates, and the partition plate is penetrated in the space; the device for monitoring and testing the seepage path of the cast-in-place concrete joint further comprises a plug, wherein the plug is detachably connected with the top plate and the bottom plate, and the plug is used for plugging the interval after the partition plate is detached from the middle frame.
4. The in-situ concrete joint seepage path monitoring test device of claim 3, wherein the top surface and the bottom surface of the partition are both provided with sealing gaskets.
5. The in-situ concrete joint seepage path monitoring test device of claim 2, wherein the top plate, the middle frame and the bottom plate are all acrylic plates.
6. The in-situ concrete joint seepage path monitoring test device of any one of claims 1-5, wherein the pressurizing device is a compressor, and a pressure gauge for detecting internal pressure is arranged on the water storage barrel.
7. The in-situ concrete joint seepage path monitoring test device of any one of claims 1-5, wherein the collection bucket is a metering bucket.
8. The in-situ concrete joint seepage path monitoring test device of any one of claims 1-5, wherein a one-way valve is further integrally disposed at the water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209123.0U CN219455865U (en) | 2023-02-10 | 2023-02-10 | Cast-in-place concrete joint seepage flow path monitoring test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209123.0U CN219455865U (en) | 2023-02-10 | 2023-02-10 | Cast-in-place concrete joint seepage flow path monitoring test device |
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| Publication Number | Publication Date |
|---|---|
| CN219455865U true CN219455865U (en) | 2023-08-01 |
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|---|---|---|---|
| CN202320209123.0U Active CN219455865U (en) | 2023-02-10 | 2023-02-10 | Cast-in-place concrete joint seepage flow path monitoring test device |
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| Country | Link |
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| CN (1) | CN219455865U (en) |
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2023
- 2023-02-10 CN CN202320209123.0U patent/CN219455865U/en active Active
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