CN213175716U - Tunnel intelligent drainage device based on geological environment protection is simulated in simulation - Google Patents
Tunnel intelligent drainage device based on geological environment protection is simulated in simulation Download PDFInfo
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- CN213175716U CN213175716U CN202021730060.6U CN202021730060U CN213175716U CN 213175716 U CN213175716 U CN 213175716U CN 202021730060 U CN202021730060 U CN 202021730060U CN 213175716 U CN213175716 U CN 213175716U
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Abstract
The utility model belongs to the technical field of tunnel drainage, and relates to a tunnel intelligent drainage device based on geological environment protection simulation, which comprises a test model box; the test model box is internally provided with: the rainfall simulation device is arranged at the top, the simulated geology is arranged below the rainfall simulation device, and the surface of the rainfall simulation device forms a simulated earth surface, simulated vegetation paved on the simulated earth surface, simulated cracks arranged in the simulated geology and a drainage structure arranged in the simulated geology; the drainage structure comprises a tunnel lining, and a longitudinal drainage pipe, a circumferential drainage pipe and a transverse drainage pipe which are fixed on the tunnel lining. The utility model discloses increased topography boundary, vegetation, water pressure monitor, intelligent drain valve on traditional simulation tunnel drainage device to and supply drainage system. The method simulates the actual tunnel drainage process more truly, and can fully understand the seepage path, the optimal drainage and the underground water level line.
Description
Technical Field
The utility model belongs to the technical field of the tunnel drainage, a tunnel intelligence drainage device based on geological environment protection is related to in simulation.
Background
At present of large-scale infrastructure construction, a large number of tunnels are constructed for shortening threads and line types in the road and railway construction process. Groundwater is an important factor affecting tunnel safety and construction period. At present, the high-pressure water-rich tunnel mostly adopts ultra-thick grouting for water plugging and drainage ditch building for natural drainage. For the high-pressure water-rich area, the grouting water plugging can meet the requirement that the tunnel face can be normally constructed in the construction stage, but water can permeate through a grouting layer due to overlarge water pressure in the later stage, and the lining is cracked due to the overlarge water pressure. When the drainage ditch is built, drainage limiting measures are rarely set, and almost all drainage systems are used for draining water in large quantity.
The current simulated drainage device does not consider the terrain and vegetation of the earth surface, does not consider the mechanical response of the tunnel drainage process to the earth surface and lining, cannot simulate the actual drainage system of the tunnel, and cannot meet the experimental requirement of intelligent drainage based on geological environment protection.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a simulation is based on geological environment protection's tunnel intelligence drainage device, consider into simulation drainage device with factors such as tunnel structure, topography, vegetation.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a tunnel intelligent drainage device based on geological environment protection is simulated, and comprises a test model box; the test model box is internally provided with: the rainfall simulation device is arranged at the top, the simulated geology is arranged below the rainfall simulation device, and the surface of the rainfall simulation device forms a simulated earth surface, simulated vegetation paved on the simulated earth surface, simulated cracks arranged in the simulated geology and a drainage structure arranged in the simulated geology; the drainage structure comprises a tunnel lining, and a longitudinal drainage pipe, a circumferential drainage pipe and a transverse drainage pipe which are fixed on the tunnel lining.
Optionally, a water pressure detection device is arranged between the circumferential drainage pipe and the tunnel lining.
Optionally, an intelligent drain valve is installed on the transverse drain pipe.
Optionally, the rainfall simulation device comprises a rainfall spray head arranged at the top in the test model box, and the rainfall spray head is connected to the water tank through a water pipe; the water delivery pipe is provided with a water pump.
Optionally, the water pipe is provided with a pressure pump and a pressure valve.
Optionally, a camera for recording the simulated earth surface displacement and seepage process is further included.
Optionally, the camera is fixed by a tripod, and the shooting direction of the camera faces to the test model box.
Optionally, the tunnel lining bottom forms a central drain.
Optionally, the central drainage ditch is connected to the drainage collection box through an external drainage pipe.
Optionally, a dyeing unit for storing a dyeing agent is arranged in the rainfall simulation device, and is used for adjusting the color of the rainfall simulated by the rainfall simulation device.
The beneficial effects of the utility model reside in that:
the utility model discloses drainage test device simple structure, the installation is fast, and the influence of the actual tunnel rainfall supply of simulation that can be better and seepage flow process and drainage to geological environment, and convenient operation. The valve is controlled according to the water pressure, thereby not only ensuring the safety of the tunnel, but also realizing the drainage limiting measure and protecting the environment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the independent structure of the present invention;
fig. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of a drainage structure;
FIG. 4 is a front view of a rain spray;
fig. 5 is a bottom view of the rain spray.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-5, the reference numbers in the figures refer to the following elements: the device comprises a test model box 1, a rainfall simulation device 2, a rainfall spray head 3, a simulated vegetation 4, a simulated terrain 5, a simulated crack 6, a circumferential drain pipe 7, a tunnel lining 8, a longitudinal drain pipe 9, a water pressure detection device 10, an intelligent drain valve 11, a transverse drain pipe 12, a central drain pipe 13, an external drain pipe 14, a drain collection box 15, a camera 16, a tripod 17, a pressure valve 18, a pressure pump 19, a water delivery pipe 20, a water pump 21, a water storage tank 22 and a surrounding rock similar material 23.
The utility model discloses a concrete operating procedure as follows:
1. and (3) acquiring terrain elevation data according to site survey, reducing the data according to a certain proportion to obtain the terrain of the model, and manufacturing a terrain simulation 4 mould by adopting a 3D printing technology.
2. According to the field test data, the similar material 23 of the surrounding rock, the size of the model 8 of the tunnel lining, the size of the test model box 1 and the test parameters such as the size, the position and the form of the rainfall simulation device 2 to be researched are determined.
3. After the topographic data and the test parameters are determined, further pouring a tunnel model, filling a topographic cavity, further filling surrounding rock similar materials 23 at a certain distance below the tunnel, then placing a tunnel lining 8 model on the surrounding rock similar materials 23, arranging a simulation crack 6 above the tunnel, further installing a longitudinal drain pipe 9, an annular drain pipe 7, a transverse drain pipe 12 and a central drain pipe 13, wherein the central drain pipe 13 is connected with an external drain pipe 14, and the external drain pipe 14 is connected with a drain collecting box 15.
4. After the tunnel drainage system is installed, the water pressure detection devices 10 are installed at the top and two sides of the tunnel, the intelligent drainage valves 11 are installed at the transverse drainage pipes 12 at two sides of the tunnel, and the intelligent drainage valves 11 can receive pressure signals of the water pressure detection devices 10 and control the on-off states of the intelligent drainage valves to further meet the requirements of intelligent drainage and protection of underground water environment.
5. Further, the top of the tunnel is filled with surrounding rock similar materials 23, the top of the tunnel is filled with substances dissolved in water to simulate cracks in the filling process, simulated vegetation 4 is planted on simulated terrain 5, a rainfall simulation device 2 is installed at the top of the test model box 1, a rainfall spray head 3 is arranged at the bottom of the rainfall simulation device 2, the rainfall simulation device is connected with a water conveying pipe 20, a pressure valve 18, a pressure pump 19 and a water pump 21 are arranged between the water conveying pipe 20 and a water storage tank 22, and the water is supplied to the rainfall simulation device 2 through the water conveying pipe 20, the water storage tank 22, the pressure valve 18, the pressure pump 19 and the water pump 21.
6. After the water supply device is installed, a coloring agent is put into the rainfall simulation device 2, a bright blue coloring agent is selected, and the optimal concentration ratio is adjusted.
7. Clean water is further slowly injected into the model box 1 to reach a certain initial water level, and then the position of the camera 16 is adjusted through the tripod 17. And carrying out a preliminary experiment, adjusting a pressure valve 18 and a pressure pump 19, starting a water pump 21 and simulating rainfall. And collecting data.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (10)
1. A tunnel intelligent drainage device based on geological environment protection is simulated, and is characterized by comprising a test model box; the test model box is internally provided with: the rainfall simulation device is arranged at the top, the simulated geology is arranged below the rainfall simulation device, and the surface of the rainfall simulation device forms a simulated earth surface, simulated vegetation paved on the simulated earth surface, simulated cracks arranged in the simulated geology and a drainage structure arranged in the simulated geology; the drainage structure comprises a tunnel lining, and a longitudinal drainage pipe, a circumferential drainage pipe and a transverse drainage pipe which are fixed on the tunnel lining.
2. A tunnel intelligent drainage apparatus for simulating geological environment protection as claimed in claim 1, wherein a water pressure detecting means is disposed between the circumferential drainage pipe and the tunnel lining.
3. The intelligent tunnel-based drainage device for simulating geological environment protection as claimed in claim 1, wherein an intelligent drainage valve is installed on the lateral drainage pipe.
4. The device for simulating intelligent tunnel drainage based on geological environment protection as claimed in claim 1, wherein the rainfall simulation device comprises a rainfall spray head arranged at the top in the test model box, and the rainfall spray head is connected to a water tank through a water conveying pipe; the water delivery pipe is provided with a water pump.
5. The intelligent tunnel drainage device for simulating geological environment protection as claimed in claim 4, wherein the water pipe is provided with a pressure pump and a pressure valve.
6. The apparatus of claim 1, further comprising a camera for recording simulated earth surface displacement and seepage process.
7. The intelligent tunnel drainage device for simulating geological environment protection as claimed in claim 6, wherein said camera is fixed by tripod, and its shooting direction is toward said test model box.
8. The apparatus of claim 1, wherein the tunnel lining bottom forms a center drain.
9. The intelligent tunnel drainage apparatus for simulating geological environment protection according to claim 8, wherein the central drainage ditch is connected to the drainage collection tank through an external drainage pipe.
10. The device for simulating intelligent tunnel drainage based on geological environment protection as claimed in claim 1, wherein a dyeing unit for storing dyeing agent is provided in the rainfall simulation device for adjusting the color of rainfall simulated by the rainfall simulation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021730060.6U CN213175716U (en) | 2020-08-18 | 2020-08-18 | Tunnel intelligent drainage device based on geological environment protection is simulated in simulation |
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| CN202021730060.6U CN213175716U (en) | 2020-08-18 | 2020-08-18 | Tunnel intelligent drainage device based on geological environment protection is simulated in simulation |
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| CN213175716U true CN213175716U (en) | 2021-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116256219A (en) * | 2023-05-16 | 2023-06-13 | 交通运输部公路科学研究所 | Simulation loading device and test method for tunnel flooding-drainage process |
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2020
- 2020-08-18 CN CN202021730060.6U patent/CN213175716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116256219A (en) * | 2023-05-16 | 2023-06-13 | 交通运输部公路科学研究所 | Simulation loading device and test method for tunnel flooding-drainage process |
| CN116256219B (en) * | 2023-05-16 | 2023-08-04 | 交通运输部公路科学研究所 | Simulation loading device and test method for tunnel flooding-drainage process |
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