CN112525772A - Test device for testing filling effect of underwater karst cave filling material - Google Patents
Test device for testing filling effect of underwater karst cave filling material Download PDFInfo
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- CN112525772A CN112525772A CN202011430578.2A CN202011430578A CN112525772A CN 112525772 A CN112525772 A CN 112525772A CN 202011430578 A CN202011430578 A CN 202011430578A CN 112525772 A CN112525772 A CN 112525772A
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Abstract
The invention discloses a test device for testing the filling effect of an underwater karst cave filling material, which comprises a visual container, a grouting device and a floating device, wherein the visual container is provided with a liquid inlet and a liquid outlet, and the grouting device is communicated with the interior of the visual container through the liquid inlet; the floating device comprises a first floating body, a second floating body and a traction line with scales, wherein one end of the traction line is connected with the first floating body, and the other end of the traction line is connected with the second floating body; the first floating body is located above the top of the visual container, the second floating body is located inside the visual container, wherein the density of the first floating body is smaller than that of air, and the density of the second floating body is greater than that of water and smaller than that of a karst cave filling material. The grouting filling method can be used for simulating the grouting filling process of karst cave backfilling and provides scientific test equipment support for researching the flowability and cohesiveness of the filling material in the underwater environment of the karst cave.
Description
Technical Field
The invention belongs to the technical field of geotechnical underground engineering tests, and particularly relates to a test device for testing the filling effect of an underwater karst cave filling material.
Background
With the continuous increase of infrastructure construction scale in various parts of China, construction risks caused by karst problems are inevitably encountered in the infrastructure construction process, and in order to reduce the construction risks caused by the karst problems, karst problems are treated by widely adopting a karst cave backfilling mode in the industry at present, wherein a filling material used for karst cave backfilling is of great importance, and whether the karst cave filling material has good karst cave underwater fluidity and cohesiveness is an important precondition for the smooth development of later-stage construction.
However, at present, no complete experimental equipment exists for scientifically researching material properties such as flowability, cohesiveness and the like of the cavern filling material in the underwater environment of the cavern.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a test device for testing the filling effect of an underwater cavern filling material, which can be used for simulating a grouting filling process of cavern backfilling and providing scientific test equipment support for researching the flowability and cohesiveness of the cavern filling material in the underwater environment of the cavern.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a test device for testing the filling effect of an underwater karst cave filling material comprises a visual container, a grouting device and a floating device, wherein the visual container is provided with a liquid inlet and a liquid outlet, and the grouting device is communicated with the interior of the visual container through the liquid inlet; the floating device comprises a first floating body, a second floating body and a traction line with scales, wherein one end of the traction line is connected with the first floating body, and the other end of the traction line is connected with the second floating body; the first floating body is located above the top of the visual container, the second floating body is located inside the visual container, wherein the density of the first floating body is smaller than that of air, and the density of the second floating body is greater than that of water and smaller than that of the karst cave filling material.
Further, the grouting device comprises a grouting pipe and a funnel, the liquid inlet is positioned on the top of the visual container, the lower end of the grouting pipe extends into the visual container, and a gap is formed between the lower end of the grouting pipe and the bottom of the visual container; the upper end of the grouting pipe is communicated with the outlet end of the funnel.
Further, the interval between the lower end of the grouting pipe and the bottom of the visual container is 15-25 cm.
Further, the grouting device comprises a grouting pump, a grout storage device, a first connecting pipe and a second connecting pipe, wherein one end of the first connecting pipe is communicated with the grout storage device, and the other end of the first connecting pipe is communicated with a grout inlet of the grouting pump; one end of the second connecting pipe is communicated with a grout outlet of the grouting pump, and the other end of the second connecting pipe is communicated with the inside of the visual container through the liquid inlet.
Further, the test device for testing the filling effect of the underwater cavern filling material further comprises a drain pipe, wherein the liquid outlet is located on the top of the visual container, and one end of the drain pipe is communicated with the inside of the visual container through the liquid outlet.
Further, the test device for testing the filling effect of the underwater cavern filling material further comprises a water collecting tank, wherein the other end of the drain pipe is communicated with the inside of the water collecting tank.
Further, the test device for testing the filling effect of the underwater cavern filling material further comprises a water pump, wherein a water inlet of the water pump is communicated with the inside of the water collecting tank, and a water outlet of the water pump is communicated with the inside of the visual container.
Further, the floatation device is disposed adjacent to the liquid inlet.
Further, visual container includes box and case lid, case lid detachably lid fits on the top of box, wherein, seted up on the case lid the inlet with the liquid outlet.
Further, the first floating body comprises any one of a hydrogen balloon and a helium balloon.
Compared with the prior art, the invention has the beneficial effects that:
the test device for testing the filling effect of the underwater cavern filling material can realize the simulation of the underwater environment of the cavern after a certain amount of water is injected into the visual container by arranging the visual container, and can inject the cavern filling material to be tested into the visual container filled with the water by arranging the grouting device communicated with the visual container, thereby realizing the simulation of the cavern backfilling process, wherein in the process of the simulation experiment of the cavern backfilling, the dynamic change of the cavern filling material in the water can be observed in real time by the visual container, and further whether the tested cavern filling material has good cohesiveness or not can be judged according to the layering condition of the cavern filling material in the water, in addition, the filling height change of the cavern filling material in the visual container can be monitored in real time by the floating device at least consisting of the first floating body, the second floating body and the pull line with scale lines, and then whether the tested karst cave filling material has good fluidity can be judged by recording the scale change condition of the traction line in unit time, so that scientific test equipment support is provided for researching the fluidity and cohesiveness of the karst cave filling material in the underwater environment of the karst cave.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic perspective view of a testing apparatus for testing the filling effect of an underwater cavern filling material according to an embodiment of the present disclosure;
FIG. 2 is a front view of a testing apparatus for testing the filling effect of an underwater cavern filling material according to an embodiment of the invention;
FIG. 3 is a front view of a testing apparatus for testing the filling effect of an underwater cavern filling material in another embodiment of the invention.
Description of reference numerals:
1-visualization container, 2-grouting device, 201-grouting pipe, 202-funnel, 211-grouting pump, 212-grout storage device, 213-first connecting pipe, 214-second connecting pipe, 3-floating device, 31-first floating body, 32-second floating body, 33-pulling line, 4-drainage pipe, 5-water collecting tank, 6-pipeline and 7-water pump.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a test apparatus for testing a filling effect of an underwater cavern filling material, including a visual container 1, a grouting device 2, and a floating device 3, where the visual container 1 has a liquid inlet (not shown in the figure) and a liquid outlet (not shown in the figure), and the grouting device 2 is communicated with the interior of the visual container 1 through the liquid inlet; the floating device 3 comprises a first floating body 31, a second floating body 32 and a pull line 33 with scales, wherein one end of the pull line 33 is connected with the first floating body 31, and the other end is connected with the second floating body 32; the first floating body 31 is located above the top of the visualization container 1, and the second floating body 32 is located inside the visualization container 1, wherein the density of the first floating body 31 is less than the density of air, and the density of the second floating body 32 is greater than the density of water and less than the density of the karst cave filling material.
In this embodiment, the visualization container 1 may be made of an existing transparent material such as glass; the first floating body 31 can be an object which can float in the air, such as a hydrogen balloon, a helium balloon and the like; the second floating body 32 can be flexibly selected according to the density of the filling material to be tested, for convenience of understanding, the embodiment is described by taking a novel filling material (proved by experiments, the novel filling material has good fluidity and cohesiveness) formed by mixing cement, fly ash, mineral powder, a flocculating agent, shield mud, a water reducing agent, an early strength agent and water in a certain proportion as an example, and at this time, iron balls and the like can be selected as the second floating body 32.
The use principle of the test device for testing the filling effect of the underwater cavern filling material is as follows:
firstly, a certain amount of clear water (such as clear water) can be filled into the visual container 1 to ensure that the interior of the visual container 1 has a certain water pressure (i.e. simulating the underwater environment of the karst cave), at the same time, the initial scale position of the pull line 33 is recorded, then the filling material to be tested is filled into the visual container 1 filled with the clear water through the grouting device 2 (i.e. simulating the grouting filling process of the karst cave backfilling), and the dynamic change of the filling material in the water and the scale position change of the pull line 33 are observed in real time, wherein, as the density of the first floating body 31 is smaller than the air density and floats in the air, the density of the second floating body 32 is larger than the water density and smaller than the density of the karst cave filling material, the pull line 33 with the scale lines can be always in a stretched straight state, and the second floating body 32 is always in a suspended state in the process of the karst cave filling material filling, the second floating body 32 will rise along with the accumulation of the cavern filling material, and the rising height of the second floating body 32 is equal to the filling height of the cavern filling material in the visual container 1); after a period of time (for example, after one minute), stopping injecting the filling material, and recording the final scale position of the traction line 33 at the moment, so that the pouring rate of the tested karst cave filling material can be calculated according to the recorded initial scale position and the final scale position, and the higher the pouring rate is, the better the flowability of the tested karst cave filling material is; in addition, the cohesiveness of the tested karst cave filling material can be judged by observing the layering condition of the karst cave filling material in water, and the more obvious the layering is, the better the cohesiveness of the karst cave filling material is.
The test device for testing the filling effect of the underwater cavern filling material provided by the embodiment can realize the simulation of the underwater environment of the cavern after a certain amount of water is injected into the visual container 1 by arranging the visual container 1, and can inject the cavern filling material to be tested into the visual container 1 filled with water by arranging the grouting device 2 communicated with the visual container 1, thereby realizing the simulation of the cavern backfilling process, wherein in the simulation experiment process of the cavern backfilling, the dynamic change of the cavern filling material in water can be observed in real time by the visual container 1, and whether the tested cavern filling material has good cohesiveness can be judged according to the layering condition of the cavern filling material in water, in addition, the filling effect of the cavern filling material in the visual container 1 can be monitored in real time by the floating device 3 at least comprising the first floating body 31, the second floating body 32 and the traction line 33 with scale lines And the height change is noted, and then whether the tested karst cave filling material has good fluidity or not can be judged by recording the scale change condition of the traction line 33 in unit time, so that scientific test equipment support is provided for researching the fluidity and cohesiveness of the karst cave filling material in the underwater environment of the karst cave.
Further, referring to fig. 1 and 2, in an exemplary embodiment, the grouting device 2 includes a grouting pipe 201 and a funnel 202, the liquid inlet is located on the top of the visualization container 1, the lower end of the grouting pipe 201 extends into the interior of the visualization container 1, the upper end of the grouting pipe 201 is communicated with the outlet end of the funnel 202, and a space exists between the lower end of the grouting pipe 201 and the bottom of the visualization container 1, preferably, the space is 15-25 cm. It should be noted here that the number of grouting devices 2 is determined according to the volume of the visualization container 1, and when the volume of the visualization container 1 is small, the number of grouting devices 2 can be reduced appropriately, and vice versa; preferably, the grouting device 2 and the floating device 3 are arranged in pairs, and the corresponding floating device 3 is arranged close to the corresponding grouting pipe 201 (i.e. the corresponding floating device 3 is arranged close to the corresponding liquid inlet) so as to more accurately monitor the filling rate of the karst cave filling material at different filling positions, illustratively, the grouting device 2 and the floating device 3 are arranged in two groups, the grouting work of the two grouting devices 2 can be respectively carried out or simultaneously carried out during the test, and the obtained two groups of data (i.e. the two groups of filling rates) can determine the final filling rate of the karst cave filling material by taking an average value.
In this embodiment, based on above-mentioned structural design, the artificial mode of accessible is with the solution cavity filling material of required test through funnel 202 and slip casting pipe 201 pour into visual container 1, realize the simulation to the slip casting filling process that the solution cavity was backfilled, simple structure and the operation of being convenient for are favorable to practicing thrift testing cost.
Further, referring to fig. 3, in another exemplary embodiment, the grouting device 2 includes a grouting pump 211, a slurry reservoir 212, a first connection pipe 213 and a second connection pipe 214, wherein one end of the first connection pipe 213 communicates with the slurry reservoir 212 and the other end communicates with a slurry inlet of the grouting pump 211; one end of the second connection pipe 214 is communicated with the grout outlet of the grouting pump 211, and the other end is communicated with the inside of the visualization container 1 through the fluid inlet. It should be noted here that the number of grouting devices 2 is determined according to the volume of the visualization container 1, and when the volume of the visualization container 1 is small, the number of grouting devices 2 can be reduced appropriately, and vice versa; preferably, the grouting device 2 and the floating device 3 are arranged in pairs, and the corresponding floating device 3 is arranged close to the corresponding grouting pipe 201 (i.e. the corresponding floating device 3 is arranged close to the corresponding liquid inlet) so as to more accurately monitor the filling rate of the karst cave filling material at different filling positions, illustratively, the grouting device 2 and the floating device 3 are arranged in two groups, the grouting work of the two grouting devices 2 can be respectively carried out or simultaneously carried out during the test, and the obtained two groups of data (i.e. the two groups of filling rates) can determine the final filling rate of the karst cave filling material by taking an average value.
In this embodiment, based on above-mentioned structural design, the supplementary mode of accessible machine is poured the solution cavity filling material of required test into visual container 1, realizes the simulation to the slip casting filling process that the solution cavity backfilled, easy operation and convenience (during the use, only need add the solution cavity filling material of preparing in advance in storing up thick liquid ware 212, then utilize grouting pump 211 will store in the solution cavity filling material pump in storing up thick liquid ware 212 can in visual container 1), be favorable to reducing testing personnel's working strength.
Further, referring to fig. 1 and 2, in an exemplary embodiment, the testing apparatus for testing the filling effect of the underwater cavern filling material further comprises a water discharge pipe 4, wherein a liquid outlet is located on the top of the visualization container 1, and one end of the water discharge pipe 4 is communicated with the inside of the visualization container 1 through the liquid outlet. Therefore, in the grouting process, the liquid overflowing from the liquid outlet can be conveniently discharged to a designated place through the drain pipe 4.
Further, referring to fig. 1 and 2, in an exemplary embodiment, the test apparatus for testing the filling effect of the underwater cavern filling material further comprises a water collection tank 5, wherein the other end of the water discharge pipe 4 is communicated with the inside of the water collection tank 5.
In this embodiment, in the grouting process, the liquid outlet of the liquid in the visual container 1 overflows, wherein when the cohesiveness of the tested cavern filling material is good, the discharged liquid is clear water, and when the cohesiveness of the tested cavern filling material is poor, the discharged liquid is slurry, and based on the above structural design, the liquid overflowing from the liquid outlet is discharged to the water collecting tank 5 through the drain pipe 4 for collection, so that resource waste or pollution of the discharged liquid to the external environment can be avoided.
Further, referring to fig. 1 and 2, in an exemplary embodiment, the testing apparatus for testing the filling effect of the underwater cavern filling material further comprises a water pump 7, wherein a water inlet of the water pump 7 is communicated with the inside of the water collection tank 5, and a water outlet of the water pump 7 is communicated with the inside of the visualization container 1. Illustratively, a water pump 7 is disposed in the header tank 5 and communicates with the inlet end of one of the hoppers 202 through a pipe 6.
In this embodiment, because when the cohesiveness of the tested karst cave filling material is better, the discharged liquid is clear water, so through carrying out the above-mentioned structural design, can go into visual container 1 through clear water pump 7 that water header 5 collected to carry out used repeatedly when carrying out next test operation, reach the effect of water economy resource through water pump 7.
Preferably, the visual container 1 comprises a box body and a box cover, wherein the box cover is detachably covered on the top of the box body, and a liquid inlet and a liquid outlet are formed in the box cover. So, can dismantle visual container 1 after experimental completion to clear up the box inside, supply next experimental used repeatedly.
In addition, it should be noted that other contents of the test device for testing the filling effect of the underwater cavern filling material disclosed by the invention can be referred to in the prior art, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A test device for testing the filling effect of an underwater karst cave filling material is characterized by comprising a visual container, a grouting device and a floating device, wherein the visual container is provided with a liquid inlet and a liquid outlet, and the grouting device is communicated with the interior of the visual container through the liquid inlet; the floating device comprises a first floating body, a second floating body and a traction line with scales, wherein one end of the traction line is connected with the first floating body, and the other end of the traction line is connected with the second floating body; the first floating body is located above the top of the visual container, the second floating body is located inside the visual container, wherein the density of the first floating body is smaller than that of air, and the density of the second floating body is greater than that of water and smaller than that of the karst cave filling material.
2. The test device for testing the filling effect of the underwater cavern filling material as claimed in claim 1, wherein the grouting device comprises a grouting pipe and a funnel, the liquid inlet is positioned on the top of the visual container, the lower end of the grouting pipe extends into the visual container, and a gap is formed between the lower end of the grouting pipe and the bottom of the visual container; the upper end of the grouting pipe is communicated with the outlet end of the funnel.
3. The test device for testing the filling effect of the underwater cavern filling material as recited in claim 2, wherein the interval between the lower end of the grouting pipe and the bottom of the visual container is 15-25 cm.
4. The test device for testing the filling effect of the underwater cavern filling material according to claim 1, wherein the grouting device comprises a grouting pump, a grout storage, a first connecting pipe and a second connecting pipe, wherein one end of the first connecting pipe is communicated with the grout storage, and the other end of the first connecting pipe is communicated with a grout inlet of the grouting pump; one end of the second connecting pipe is communicated with a grout outlet of the grouting pump, and the other end of the second connecting pipe is communicated with the inside of the visual container through the liquid inlet.
5. The test device for testing the filling effect of the underwater cavern filling material as recited in claim 1, further comprising a drain pipe, wherein the liquid outlet is located on the top of the visual container, and one end of the drain pipe is communicated with the inside of the visual container through the liquid outlet.
6. The test device for testing the filling effect of the underwater cavern filling material as recited in claim 5, further comprising a water collection tank, wherein the other end of the water drainage pipe is communicated with the inside of the water collection tank.
7. The test device for testing the filling effect of the underwater cavern filling material as recited in claim 6, further comprising a water pump, wherein a water inlet of the water pump is communicated with the inside of the water collecting tank, and a water outlet of the water pump is communicated with the inside of the visual container.
8. Test device for testing the filling effect of an underwater cavern filling material as recited in any one of claims 1 to 7, wherein the floating device is arranged adjacent to the liquid inlet.
9. The test device for testing the filling effect of the underwater cavern filling material as recited in any one of claims 1 to 7, wherein the visual container comprises a box body and a box cover, the box cover is detachably covered on the top of the box body, and the box cover is provided with the liquid inlet and the liquid outlet.
10. A test device for testing filling effect of underwater cavern filling material as recited in any one of claims 1 to 7, wherein the first floating body comprises any one of hydrogen balloon and helium balloon.
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| CN202011430578.2A CN112525772A (en) | 2020-12-09 | 2020-12-09 | Test device for testing filling effect of underwater karst cave filling material |
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| CN202011430578.2A CN112525772A (en) | 2020-12-09 | 2020-12-09 | Test device for testing filling effect of underwater karst cave filling material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264574A (en) * | 2021-12-31 | 2022-04-01 | 贵州大学 | Grouting material water-dispersion-resistance performance test device and use method |
| CN114563319A (en) * | 2021-12-07 | 2022-05-31 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589047A (en) * | 2017-08-29 | 2018-01-16 | 山东大学 | A kind of the brief test device and test method of indoor dynamic water slip casting simulation |
| CN108532607A (en) * | 2018-03-19 | 2018-09-14 | 中建三局基础设施建设投资有限公司 | A kind of underwater gliders height real-time monitoring device and application method |
| CN110886328A (en) * | 2019-10-22 | 2020-03-17 | 浙江大学 | Pile-first method offshore wind power jacket foundation underwater grouting measurement device and measurement method thereof |
| CN111912969A (en) * | 2020-08-28 | 2020-11-10 | 中交天津港湾工程研究院有限公司 | Underwater grouting quality detection test device and using method thereof |
-
2020
- 2020-12-09 CN CN202011430578.2A patent/CN112525772A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589047A (en) * | 2017-08-29 | 2018-01-16 | 山东大学 | A kind of the brief test device and test method of indoor dynamic water slip casting simulation |
| CN108532607A (en) * | 2018-03-19 | 2018-09-14 | 中建三局基础设施建设投资有限公司 | A kind of underwater gliders height real-time monitoring device and application method |
| CN110886328A (en) * | 2019-10-22 | 2020-03-17 | 浙江大学 | Pile-first method offshore wind power jacket foundation underwater grouting measurement device and measurement method thereof |
| CN111912969A (en) * | 2020-08-28 | 2020-11-10 | 中交天津港湾工程研究院有限公司 | Underwater grouting quality detection test device and using method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563319A (en) * | 2021-12-07 | 2022-05-31 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
| CN114563319B (en) * | 2021-12-07 | 2024-04-02 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
| CN114264574A (en) * | 2021-12-31 | 2022-04-01 | 贵州大学 | Grouting material water-dispersion-resistance performance test device and use method |
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