CN218298178U

CN218298178U - Tunnel water inrush is to groundwater environmental impact monitoring model test device

Info

Publication number: CN218298178U
Application number: CN202221873011.7U
Authority: CN
Inventors: 赵玲娜
Original assignee: Qingdao Yijie Hongli Technology Co ltd
Current assignee: Qingdao Yijie Hongli Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-01-13
Anticipated expiration: 2032-07-20

Abstract

The application provides a tunnel gushing water is to groundwater environment influence monitoring model test device belongs to groundwater environment technical field. The tunnel water inrush monitoring model test device comprises a shell, a simulation piece and a test piece. The simulation piece includes soil horizon model and tunnel model, soil horizon model set up in the shell, the tunnel model set up in soil horizon model upper surface, the drainage head with first inlet tube with the second inlet tube intercommunication, just the drainage head outer wall with first inlet tube inner wall with the laminating of second inlet tube inner wall. Through the design of this device, the tunnel simulation experiment design of overall design optimization conventionality makes it be convenient for adjust the gushing water position, makes its actual conditions of laminating more, simultaneously, wholly promotes analogue test's precision, sees the influence of gushing water to groundwater environment more directly perceived.

Description

Tunnel water inrush is to groundwater environmental impact monitoring model test device

Technical Field

The application relates to the technical field of underground water environment, in particular to a tunnel water inrush monitoring model test device for underground water environment influence.

Background

The underground water environment is a general name of states and changes of underground water and an occurrence space environment thereof under the influence of internal and external dynamic geological action and artificial movement action, at present, tunnel simulation experiments find that the positions of water inrush are basically fixed and cannot move, but in actual situations, the positions of water inrush are uncertain, and meanwhile, the water inrush has position uncertainty characteristics, so that the simulation experiments are inconsistent with the actual situations on site, and the accuracy of the whole simulation experiment is reduced.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the application provides a tunnel gushing water is to groundwater environmental impact monitoring model test device, aims at improving the problem that conventional analogue test gushing water position is unadjustable removal.

The embodiment of the application provides a tunnel gushing water is to groundwater environmental impact monitoring model test device, including shell, dummy and test piece.

The simulation piece comprises a soil layer model and a tunnel model, the soil layer model is arranged in the shell, the tunnel model is arranged on the upper surface of the soil layer model, a first water inlet pipe and a second water inlet pipe are respectively distributed on the upper surface of the tunnel model at intervals, a screen plate is arranged in the tunnel model, water outlets are distributed at intervals on the bottom of the tunnel model, the first water inlet pipe and the second water inlet pipe are communicated with the screen plate, the screen plate is communicated with the water outlets, the test piece comprises a water discharge head and a water pump, the water outlet end of the water pump is communicated with the water discharge head, the water discharge head is communicated with the first water inlet pipe and the second water inlet pipe, and the outer wall of the water discharge head is attached to the inner wall of the first water inlet pipe and the inner wall of the second water inlet pipe.

In the above-mentioned realization in-process, start the water pump, the water that extracts through the water pump passes through the drainage head and discharges, the drainage head can with one of them first inlet tube intercommunication or with one of them second inlet tube intercommunication, do not change drainage head and first inlet tube or second inlet tube connection position during the experiment, avoid influencing the test precision, after the certain time, water permeates and flows out at will through the otter board, permeate and flow out at will through the apopore, make it more laminate and simulate on-the-spot soil actual conditions, after the certain time, stop the water pump, accessible water test sampling device and sampling hole cooperation are to the water sampling test in the soil horizon model, and simultaneously, the water of the different degree of depth of can be expected is tested, be convenient for know the influence of gushing water to groundwater environment, and simultaneously, can change drainage head and first inlet tube or second inlet tube connection position, make it be convenient for know the scope of the influence of the gushing water of different positions to groundwater environment, through the design of this device, conventional tunnel simulation experiment design is optimized to the overall design, make it be convenient for adjust gushing water position, make it laminate actual conditions more, and simultaneously, the accuracy of the overall simulation test sees the influence of gushing water to groundwater environment.

In a specific embodiment, a groove is formed in the housing, and the soil layer model is disposed in the groove.

In the implementation process, the soil layer model is placed through the groove design.

In a specific embodiment, the side wall of the shell is communicated with a drain pipe, and the drain pipe is communicated with the groove.

In the implementation process, the drainage pipe is communicated with the groove, so that the liquid in the groove can be conveniently drained through the drainage pipe.

In a specific embodiment, a sedimentary layer is arranged in the soil layer model, and a first aquifer is arranged at the bottom of the sedimentary layer.

At above-mentioned realization in-process, water after the experiment enters into the sedimentary deposit reentrant first moisture in situ, and during the in-service use, the sedimentary deposit upper surface can set up the rock, actual conditions in the simulation tunnel.

In a specific embodiment, the first water-containing layer is provided with a first water-resisting layer at the bottom, and the second water-containing layer is provided at the bottom.

In the implementation process, water in the first water-containing layer enters the first water-resisting layer, and water in the first water-resisting layer enters the second water-containing layer.

In a specific embodiment, the second water-containing layer is provided with a second water-resisting layer at the bottom, and a third water-containing layer is provided at the bottom of the second water-resisting layer.

In the implementation process, the water in the second aquifer enters the second water-resisting layer and is located in the second water-resisting layer.

In a specific embodiment, the deposition layer, the first aquifer, the first water barrier, the second aquifer, the second water barrier and the third aquifer are provided with sampling holes at intervals, and the sampling holes are communicated with each other.

In the above-mentioned realization process, through the design of thief hole, when making it be convenient for experimental, through sampling device and thief hole cooperation water intaking, make its water sample to different levels and degree of depth, test through testing arrangement, the groundwater environment influence degree of different positions and different degree of depth of different position gushing water.

In a specific embodiment, the outer wall of the tunnel model is provided with a notch, and the net plate is arranged in the notch.

In the implementation process, the screen plate is convenient to install through the notch, the actual soil layer condition is simulated through the design of the screen plate, water flowing is convenient to freely flow, and the simulation is more practical.

In a specific implementation scheme, the water inlet end of the water pump is communicated with a water tank, a sealing sleeve is arranged outside the water discharging head, and the outside of the sealing sleeve is attached to the inner wall of the first water inlet pipe and the inner wall of the second water inlet pipe.

In the above-mentioned realization process, provide the water source for the water pump through the water tank, the simulation experiment of being convenient for gushes out water, designs through sealed cover, makes it place water and gives off and penetrate outward.

In a specific embodiment, the water outlet end of the water pump is communicated with a bearing pipe, the bearing pipe is communicated with the drainage head, the outer wall of the water tank is communicated with a bearing pipe, and the water tank is communicated with the water inlet end of the water pump through the bearing pipe.

In the implementation process, the water pump is communicated with the drainage head through the design of the bearing pipe, and the water tank is communicated with the water pump through the design of the bearing pipe.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a top view structure provided in an embodiment of the present application;

fig. 2 is a schematic top view of a tunnel model according to an embodiment of the present disclosure;

fig. 3 is a schematic view of a connection relationship between a tunnel model and a mesh plate according to an embodiment of the present disclosure;

fig. 4 is a schematic sectional structure view of a soil layer model provided in an embodiment of the present application.

In the figure: 100-a housing; 110-a groove; 120-a drain pipe; 200-a dummy; 210-soil layer model; 211-a deposition layer; 212-first aqueous layer; 213-a first water barrier layer; 214-a second aqueous layer; 215-a second water barrier; 216-a third aqueous layer; 217-sampling hole; 220-tunnel model; 221-a first water inlet pipe; 222-a second inlet pipe; 223-water outlet; 224-mesh sheet; 225-notch; 300-test piece; 310-a drainage head; 311-sealing sleeve; 320-a water pump; 321-a bearing pipe; 322-a water tank; 3221-socket.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides a model test apparatus for monitoring influence of tunnel water inrush on groundwater environment, which includes a housing 100, a simulation piece 200 and a test piece 300.

Wherein the device is supported by the housing 100 and the simulation is achieved by the cooperation of the simulation piece 200 and the test piece 300.

Referring to fig. 1, a groove 110 is formed in a housing 100, a soil layer model 210 is disposed in the groove 110, the soil layer model 210 is disposed through the design of the groove 110, a drain pipe 120 is communicated with a side wall of the housing 100, the drain pipe 120 is communicated with the groove 110, and the drain pipe 120 is communicated with the groove 110, so that liquid in the groove 110 can be conveniently discharged through the drain pipe 120.

Referring to fig. 1, 2, 3 and 4, the simulation member 200 includes a soil layer model 210 and a tunnel model 220, the soil layer model 210 is disposed in the housing 100, the tunnel model 220 is disposed on an upper surface of the soil layer model 210, first water inlet pipes 221 and second water inlet pipes 222 are respectively spaced on the upper surface of the tunnel model 220, a screen 224 is disposed in the tunnel model 220, water outlet holes 223 are spaced on a bottom of the tunnel model 220, the first water inlet pipes 221 and the second water inlet pipes 222 are both communicated with the screen 224, the screen 224 is communicated with the water outlet holes 223, a deposition layer 211 is disposed in the soil layer model 210, a first aquifer 212 is disposed at a bottom of the deposition layer 211, water after an experiment enters the deposition layer 211 and then enters the first aquifer 212, when the simulation member is actually used, rocks can be disposed on an upper surface of the deposition layer 211, and an actual situation in the tunnel can be simulated.

In the self document, a first water barrier 213 is arranged at the bottom of a first aquifer 212, a second aquifer 214 is arranged at the bottom of the first water barrier 213, water in the first aquifer 212 enters the first water barrier 213, water in the first water barrier 213 enters the second aquifer 214, a second water barrier 215 is arranged at the bottom of the second aquifer 214, a third aquifer 216 is arranged at the bottom of the second water barrier 215, water in the second aquifer 214 enters the second water barrier 215, water in the second water barrier 215 enters the third aquifer 216, a settled layer 211, the first aquifer 212, the first water barrier 213, the second aquifer 214, the second water barrier 215 and the third aquifer 216 are provided with sampling holes 217 at intervals, the sampling holes 217 are communicated and arranged, when the underground water is tested by the design of the sampling holes 217, the underground water is taken by the sampling device and the sampling holes 217, the underground water is made to flow in different levels and depths, the underground water flow simulation model is made to simulate the condition of the underground water flow through a gap 225, and the underground water flow simulation model is made to pass through a gap 224, and the underground water flow simulation model 225 is made to pass through the gap 224.

Referring to fig. 1 and 2, the test piece 300 includes a drainage head 310 and a water pump 320, an outlet end of the water pump 320 is communicated with the drainage head 310, the drainage head 310 is communicated with a first water inlet pipe 221 and a second water inlet pipe 222, an outer wall of the drainage head 310 is attached to an inner wall of the first water inlet pipe 221 and an inner wall of the second water inlet pipe 222, an inlet end of the water pump 320 is communicated with a water tank 322, a sealing sleeve 311 is disposed outside the drainage head 310, an outer portion of the sealing sleeve 311 is attached to an inner wall of the first water inlet pipe 221 and an inner wall of the second water inlet pipe 222, a water source is provided for the water pump 320 through the water tank 322, an experiment water burst is simulated conveniently, the sealing sleeve 311 is designed to place water to emit outward, an outlet end of the water pump 320 is communicated with a receiving pipe 321, the receiving pipe 321 is communicated with the drainage head 310, an outer wall of the water tank 322 is communicated with a receiving pipe 3221, the water tank 322 is communicated with the inlet end of the water pump 320 through the receiving pipe 3221, and the water pump 320 is communicated with the drainage head 310 through the receiving pipe 321, and the receiving pipe 3221, and the water tank 322 is designed to achieve communication between the water tank 322 and the water pump 320.

Specifically, the working principle of the tunnel water inrush to underground water environment influence monitoring model test device is as follows: the device is integrally designed and optimized for simulating the influence of water inrush in a tunnel on groundwater environment, when in use, the water pump 320 is started, water in the water tank 322 is extracted through the water pump 320 and is discharged through the drainage head 310, the drainage head 310 can be communicated with one of the first water inlet pipes 221 or one of the second water inlet pipes 222, the connection position of the drainage head 310 and the first water inlet pipe 221 or the second water inlet pipe 222 is not changed during an experiment, the influence on the test precision is avoided, after a certain time, water freely permeates and flows out through the screen 224 and freely permeates and flows out through the water outlet hole 223, the site soil actual condition can be simulated by means of fitting, after a certain time, the water pump 320 is stopped, the water sampling test in the soil layer model 210 can be conveniently realized by means of matching of the water test sampling device and the sampling hole 217, meanwhile, the influence of water at different depths can be tested, the influence of water inrush on groundwater environment can be conveniently known, meanwhile, the connection position of the drainage head 310 and the first water inlet pipe 221 or the second water inlet pipe 222 can be changed, the influence range of water inrush at different positions on groundwater environment can be conveniently known, the influence of the water environment can be conveniently regulated, the conventional experiment can be more visually, the influence of the water inrush can be conveniently simulated, the actual condition can be more visually observed, the integral design of the water environment can be more accurately.

It should be noted that the specific model specification of the water pump 320 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the water pump 320 and its principle will be clear to those skilled in the art and will not be described in detail here.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A model test device for monitoring influence of tunnel water inrush on underground water environment is characterized by comprising

A housing (100);

the simulation piece (200) comprises a soil layer model (210) and a tunnel model (220), the soil layer model (210) is arranged in the shell (100), the tunnel model (220) is arranged on the upper surface of the soil layer model (210), first water inlet pipes (221) and second water inlet pipes (222) are respectively distributed on the upper surface of the tunnel model (220) at intervals, a screen plate (224) is arranged in the tunnel model (220), water outlet holes (223) are distributed at intervals at the bottom of the tunnel model (220), the first water inlet pipes (221) and the second water inlet pipes (222) are communicated with the screen plate (224), and the screen plate (224) is communicated with the water outlet holes (223);

the test piece (300), the test piece (300) includes drainage head (310) and water pump (320), water pump (320) play water end with drainage head (310) intercommunication, drainage head (310) with first inlet tube (221) with second inlet tube (222) intercommunication, just drainage head (310) outer wall with first inlet tube (221) inner wall with the laminating of second inlet tube (222) inner wall.

2. The model test device for monitoring the influence of tunnel water inrush on underground water environment is characterized in that a groove (110) is formed in the outer shell (100), and the soil layer model (210) is arranged in the groove (110).

3. A tunnel water inrush effect monitoring model test device on a groundwater environment as claimed in claim 2, wherein a drain pipe (120) is connected to a side wall of the housing (100), and the drain pipe (120) is connected to the groove (110).

4. The model test device for monitoring the influence of tunnel water inrush on underground water environment is characterized in that a sediment layer (211) is arranged in the soil layer model (210), and a first aquifer (212) is arranged at the bottom of the sediment layer (211).

5. The model test device for monitoring the influence of tunnel water inrush on underground water environment is characterized in that a first water-stop layer (213) is arranged at the bottom of the first water-stop layer (212), and a second water-stop layer (214) is arranged at the bottom of the first water-stop layer (213).

6. The model test device for monitoring the influence of tunnel water inrush on underground water environment is characterized in that a second water-resisting layer (215) is arranged at the bottom of the second water-resisting layer (214), and a third water-resisting layer (216) is arranged at the bottom of the second water-resisting layer (215).

7. The testing device for the model of monitoring the influence of tunnel water inrush on underground water environment as claimed in claim 6, wherein sampling holes (217) are distributed at intervals in the sedimentary layer (211), the first aquifer (212), the first aquifer (213), the second aquifer (214), the second aquifer (215) and the third aquifer (216), and the sampling holes (217) are communicated.

8. The model test device for monitoring the influence of tunnel water inrush on underground water environment is characterized in that a notch (225) is formed in the outer wall of the tunnel model (220), and the mesh plate (224) is arranged in the notch (225).

9. The tunnel water inrush monitoring model test device for influences of tunnel water inrush on underground water environment as claimed in claim 1, wherein a water tank (322) is communicated with a water inlet end of the water pump (320), a sealing sleeve (311) is arranged outside the drainage head (310), and the outer part of the sealing sleeve (311) is attached to the inner wall of the first water inlet pipe (221) and the inner wall of the second water inlet pipe (222).

10. The model test device for monitoring the influence of tunnel water inrush on underground water environment as claimed in claim 9, wherein a receiving pipe (321) is connected to the water outlet end of the water pump (320), the receiving pipe (321) is connected to the water discharge head (310), a receiving pipe (3221) is connected to the outer wall of the water tank (322), and the water tank (322) is connected to the water inlet end of the water pump (320) through the receiving pipe (3221).