CN212228934U - Deep tunnel and tunnel water inrush and mud inrush three-dimensional physical simulation test system - Google Patents
Deep tunnel and tunnel water inrush and mud inrush three-dimensional physical simulation test system Download PDFInfo
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- CN212228934U CN212228934U CN202020580646.2U CN202020580646U CN212228934U CN 212228934 U CN212228934 U CN 212228934U CN 202020580646 U CN202020580646 U CN 202020580646U CN 212228934 U CN212228934 U CN 212228934U
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Abstract
The utility model discloses a deep tunnel and tunnel water inrush and mud inrush three-dimensional physical simulation test system, which comprises a test bench, a ground stress loading system, a water pressure loading system, a data acquisition system and a mud-water protrusion recovery system; the test bed is internally provided with a test box body used for filling surrounding rock media, faults and other media, the ground stress loading system is positioned at the top of the test box body, the water outlet end of the water pressure loading system consisting of a constant-temperature constant-pressure water tank, a high-pressure nitrogen cylinder and the like is arranged in gravel filter layers of water inrush structures such as faults and the like, the data acquisition system consists of a plurality of sensors arranged inside the surrounding rock or fault media and a test bed external data acquisition instrument, and the muddy water protrusion recovery system is connected with a roadway or tunnel water outlet through a guide pipe.
Description
Technical Field
The utility model belongs to underground works geological disasters model test field, concretely relates to deep tunnel and tunnel gushing water gush out three-dimensional physical simulation test system of mud can simulate tunnel and tunnel gushing water test system under different shapes and section size, different retaining structures, different temperature water pressure, the different circumstances of burying deeply, belong to the geotechnical engineering field.
Background
With the rapid development of national economic construction in China, the construction of a series of national strategic projects such as underground mining, traffic construction, hydropower development and the like is continuously developed towards deep parts. Under the large background, the geological conditions of deep roadways and tunnel engineering are more and more complex, and water and mud outburst disasters of the deep roadways and tunnels are increasingly serious. In the water and mud outburst disasters of the roadway and the tunnel, light persons can cause mechanical damage, and heavy persons can cause serious casualties. The water and mud outburst disasters of underground projects such as roadways and tunnels are serious, and the research on the catastrophe mechanism of the water and mud outburst of the underground projects such as the roadways and the tunnels is not clear to a great extent, which is related to the research and development delay of related water and mud outburst test systems and equipment. The indoor physical simulation test is one of the best research methods for researching water inrush and mud inrush of underground engineering, however, at present, research and development of a water inrush and mud inrush test system for underground engineering are relatively delayed, and actual requirements cannot be met. Because of the complex scientific problems of stress, seepage, damage coupling and the like involved in the water and mud outburst catastrophe process of the roadway and the tunnel, the existing test device really realizes the relatively few three-dimensional fluid-solid coupling problems. Aiming at the actual requirements of deep tunnel and tunnel water inrush mud fluid-solid coupling tests, if a tunnel and tunnel water inrush mud three-dimensional fluid-solid coupling physical simulation test system for simulating deep ground stress, constant temperature and water pressure and excavation environment can be developed, the inoculation evolution and triggering mechanism of tunnel and tunnel water inrush mud disasters can be better disclosed, the variable evolution process and the advanced early warning method of tunnel water inrush mud are facilitated to be provided, and the method has important significance for reducing or avoiding tunnel water inrush mud disasters.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a deep tunnel and three-dimensional physical simulation test system of tunnel gushing water gushing mud can simulate retaining structures such as different tunnel section shapes and size, different tunnel buried depth, different faults and fill medium and the catastrophe process of tunnel and tunnel gushing water gushing mud under the influence of complex factors such as different gushing water pressure and temperature.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
a three-dimensional physical simulation test system for water and mud outburst of deep roadways and tunnels is characterized by comprising a test bed, a ground stress loading system, a water pressure loading system, a data acquisition system and a mud-water outburst recovery system; the test bed is provided with a test box body used for filling surrounding rock media, faults and other media, the ground stress loading system is positioned at the top of the test box body, the water outlet end of the water pressure loading system is arranged in a gravel filter layer of a water inrush structure such as a fault, the data acquisition system comprises a plurality of sensors arranged inside the surrounding rock media and the fault media, the sensors are connected with a data acquisition instrument outside the test bed, and the mud-water protrusion recovery system is connected with a roadway or tunnel water outlet through a guide pipe.
Further, the test bench comprises a constraint reaction plate, a side steel frame, a uniformly distributed cover plate, a test box body, a transparent organic glass panel, a steel plate frame, a stiffening rib plate and I-shaped steel; restraint reaction plate and side steelframe adopt bolted connection, the welding of side steelframe is on experimental box, round ring flange and round buckler have been set up on steel sheet frame (first layer), transparent organic glass panel (second floor) middle part is equipped with three square and reserves the mouth, be equipped with the round ring flange around the transparent organic glass panel, experimental box front-back is three detachable rectangle stiffening rib boards (third layer), two stiffening rib board minor faces respectively are equipped with three ring flange, adopt bolted connection with second floor transparent organic glass panel and first layer steel sheet frame, the inside retaining structure medium such as country rock medium and fault of being of experimental box, experimental box welding is on three I-steel.
Furthermore, the ground stress loading system comprises a hydraulic oil pump, an oil pump pressure gauge, an oil pipeline and a hydraulic cylinder; the oil pump pressure gauge is installed on the hydraulic oil pump, oil pipeline connects hydraulic oil pump and pneumatic cylinder, the pneumatic cylinder passes through bolted connection on the restraint reaction plate, and the plunger front end is used in the equipartition apron.
Further, the water pressure loading system comprises a nitrogen gas cylinder, a gas storage amount and gas pressure gauge, a valve, a gas transmission pipeline, a constant pressure water tank, a water transmission water pipe and a water bursting pipeline; the gas storage volume and gas pressure meter is installed on a nitrogen cylinder, valves are installed on a gas transmission pipeline and a water transmission pipeline respectively, the gas transmission pipeline is connected with the nitrogen cylinder and a constant temperature and constant pressure water tank, the water transmission pipeline is connected with the constant temperature and constant pressure water tank and a water inrush pipeline, and the water inrush pipeline is installed in a constructed gravel filter layer such as a fault inside the test box body.
Further, constant temperature and constant pressure water tank includes constant temperature and constant pressure water tank pressure gauge, water inlet, water shutoff stopper, heating device, heating cavity, microcomputer control ware, fluviograph, constant temperature and constant pressure water tank pressure gauge installs at constant temperature and constant pressure water tank top, screw on the water inlet during the water shutoff stopper is experimental, heating device installs in the heating cavity, microcomputer control ware installs on heating cavity external surface upper portion, the fluviograph is installed at constant temperature and constant pressure water tank middle part, constant temperature and constant pressure water tank bottom is the free rotation wheel.
Further, the data acquisition system includes sensor, transmission optical fiber, data acquisition instrument, computer, the sensor is installed inside structure media such as country rock medium and fault, the sensor passes through transmission optical fiber and connects on the data acquisition instrument, the data acquisition instrument passes through the data line and connects on the computer.
Further, the muddy water protrusion recovery system comprises a cylindrical filter sieve with the particle size of 0.2mm, a water sealing ring, a cylindrical filter sieve with the particle size of 0.03mm, a transparent plastic panel, a water storage container, a capacity scale plate, a wheel support, a positioning scale and a water outlet; the utility model discloses a wheel support, including wheel support, water seal ring, transparent plastic panel, water storage container, capacity scale plate, delivery port, wheel support, positioning scale, water seal ring, transparent plastic panel, water storage container bottom is circular-arc, the water seal ring is placed in every layer of filter sieve junction, the cylindric filter sieve lateral wall that the particle diameter is 0.03mm is installed to the transparent plastic panel, the water storage container bottom is circular-arc, the capacity scale plate is installed at the water storage container lateral wall, the delivery port is installed in the lowest of water storage container, wheel support adopts scalable design, positioning.
Has the advantages that: the utility model relates to a deep tunnel and three-dimensional physical simulation test system of tunnel gushing water gushing mud adopts as above technical scheme, can carry out deep tunnel and tunnel gushing water gushing mud fluid-solid coupling physical simulation test under the multifactor coupling effect such as different buried depth, different section shape, not unidimensional, different retaining structures and filler. The concrete embodiment is as follows: 1) the three square reserved openings on the transparent organic glass plate on the front surface of the device can simulate water-inrush and mud-inrush tests of tunnels and tunnels with different shapes, different sizes and different burial depths; 2) roadway and tunnel water and mud outburst tests under different stress conditions can be performed through restraining the reaction plates and the side steel frames; 3) deep tunnel and tunnel gushing water and mud tests under the conditions of water storage structures such as different faults can be simulated through the positions and the sizes of the water storage structures such as the faults arranged in the test box body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the apparatuses are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a deep roadway and tunnel water and mud inrush three-dimensional physical simulation test system;
FIG. 2 is a schematic view of a test rig;
FIG. 3 is a schematic view of a ground stress loading system;
FIG. 4 is a schematic view of a water pressure loading system;
FIG. 5 is a schematic view of a data acquisition system;
FIG. 6 is a schematic view of a puddle recovery system.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
Referring to fig. 1 and 6, the three-dimensional physical simulation test system for water and mud inrush in deep roadways and tunnels is characterized by comprising a test bed, a ground stress loading system, a water pressure loading system, a data acquisition system and a mud-water protrusion recovery system; the test bed is provided with a test box body used for filling surrounding rock media, faults and other media, the ground stress loading system is positioned at the top of the test box body, the water outlet end of the water pressure loading system is arranged in a gravel filter layer of a water inrush structure such as a fault, the data acquisition system comprises a plurality of sensors arranged inside the surrounding rock media and the fault media, the sensors are connected with a data acquisition instrument outside the test bed, and the mud-water protrusion recovery system is connected with a roadway or tunnel water outlet through a guide pipe.
As shown in fig. 2, the test bench comprises a constraint reaction plate 1, a side steel frame 2, uniformly distributed cover plates 3, a test box body 4, a transparent organic glass panel 5, a steel plate frame 6, a stiffening rib plate 7 and an I-steel 8; restraint reaction plate 1 and side steelframe 2 adopt bolted connection, side steelframe 2 welding is on experimental box 4, experimental box 4 front-back is steel sheet frame 6, steel sheet frame 6 has set up the round ring flange on every side, transparent organic glass panel 5 middle part is equipped with three square and reserves mouth 9, transparent organic glass panel 5 has set up the round ring flange on every side, two minor faces of stiffening rib plate 7 have set up one row of ring flange, stiffening rib plate 7 adopts bolted connection with transparent organic glass panel 5 and steel sheet frame 6, equipartition apron 3 is located experimental box 4 top, the inside retaining structure media such as country rock medium and fault that are of experimental box 4, experimental box 4 welding is on three I-steel 8.
As shown in fig. 3, the ground stress loading system comprises a hydraulic oil pump 10, an oil pump pressure gauge 11, an oil pipeline 12 and a hydraulic cylinder 13; oil pump pressure gauge 11 installs on hydraulic oil pump 10, oil pipeline 12 connects hydraulic oil pump 10 and pneumatic cylinder 13, pneumatic cylinder 13 passes through bolted connection on restraint reaction plate 1, and the plunger front end is used in equipartition apron 3.
As shown in fig. 4, the water pressure loading system comprises a nitrogen cylinder 15, a gas storage amount and gas pressure meter 16, a valve 17, a gas transmission pipeline 18, a constant temperature and constant pressure water tank 19, a water transmission pipeline 20 and a water inrush pipeline 21; the gas storage volume and gas pressure meter 16 is installed on a nitrogen cylinder 15, valves 17 are installed on a gas transmission pipeline 18 and a water transmission pipeline 20 respectively, the gas transmission pipeline 18 is connected with the nitrogen cylinder 15 and a constant temperature and constant pressure water tank 19, the water transmission pipeline 20 is connected with the constant temperature and constant pressure water tank 19 and a water inrush pipeline 21, and the water inrush pipeline 21 is installed in water storage structure medium gravel filter layers such as faults inside the test box body 4.
As shown in fig. 4, the constant temperature and pressure water tank 19 comprises a constant temperature and pressure water tank pressure gauge 22, a water inlet 23, a water sealing plug 24, a heating device 25, a heating cavity 26, a microcomputer controller 27 and a water level gauge 28, the constant temperature and pressure water tank pressure gauge 22 is installed at the top of the constant temperature and pressure water tank 19, the water sealing plug 24 is screwed on the water inlet 23 during the test, the heating device 25 is installed in the heating cavity 26, the microcomputer controller 27 is installed on the upper portion of the outer surface of the heating cavity 26, and the bottom of the constant temperature and pressure water tank 19 is a freely rotating wheel.
As shown in fig. 5, the data acquisition system comprises a sensor 29, a transmission optical fiber 30, a data acquisition instrument 31 and a computer 32, wherein the sensor 29 is installed inside a surrounding rock medium, a fault medium and other media, the sensor 29 is connected to the data acquisition instrument 31 through the transmission optical fiber 30, and the data acquisition instrument 29 is connected to the computer 32 through a data line 33.
As shown in FIG. 6, the muddy water protrusion recovery system comprises a cylindrical filter sieve 34 with the particle size of 0.2mm, a water sealing ring 35, a cylindrical filter sieve 36 with the particle size of 0.03mm, a transparent plastic panel 37, a water storage container 38, a capacity scale plate 39, a wheel bracket 40, a positioning scale 41 and a water outlet 42, the water sealing ring 35 is arranged at the joint of each layer of filter sieve, the transparent plastic panel 37 is arranged on the side wall of the cylindrical filter sieve 36 with the grain diameter of 0.03mm, the bottom of the water storage container 38 is arc-shaped, the capacity scale plate 39 is arranged on the side wall of the water storage container 38, the water outlet 42 is arranged at the lowest position of the water storage container 38, the wheel bracket 40 is arranged at the bottom of the water storage container 38, the wheel support 40 adopts scalable design, positioning scale 41 is located on the wheel support 40, positioning scale 41 is used for adjusting the roughness and the height of the muddy water protrusion recovery system.
Claims (7)
1. The utility model provides a deep tunnel and tunnel gushing water gushes out mud three-dimensional physical simulation test system which characterized in that: the test bed comprises a test bed frame, a ground stress loading system, a water pressure loading system, a data acquisition system and a muddy water protrusion recovery system; the test bed is provided with a test box body used for filling surrounding rock media, faults and other media, the ground stress loading system is positioned at the top of the test box body, the water outlet end of the water pressure loading system is arranged in a gravel filter layer of a water inrush structure such as a fault, the data acquisition system comprises a plurality of sensors arranged inside the surrounding rock media and the fault media, the sensors are connected with a data acquisition instrument outside the test bed, and the mud-water protrusion recovery system is connected with a roadway or tunnel water outlet through a guide pipe.
2. The deep roadway and tunnel water and mud inrush three-dimensional physical simulation test system of claim 1, wherein: the test bench comprises a constraint reaction plate (1), a side steel frame (2), uniformly distributed cover plates (3), a test box body (4), a transparent organic glass panel (5), a steel plate frame (6), stiffening rib plates (7) and I-shaped steel (8); the restraint reaction plate (1) is connected with the lateral steel frame (2) by bolts, the lateral steel frame (2) is welded on the test box body (4), the front and the back of the test box body (4) are provided with steel plate frames (6), a circle of flange plates are arranged around the steel plate frames (6), the middle part of the transparent organic glass panel (5) is provided with three square reserved openings (9), a circle of flange is arranged around the transparent organic glass panel (5), a row of flanges are arranged on two short sides of the stiffening rib plate (7), the stiffening rib plates (7) are connected with the transparent organic glass panel (5) and the steel plate framework (6) by bolts, the equipartition apron (3) are located experimental box (4) top, experimental box (4) are inside to be medium such as country rock medium and fault, experimental box (4) welding is on three I-steel (8).
3. The deep roadway and tunnel water and mud inrush three-dimensional physical simulation test system of claim 1, wherein: the ground stress loading system comprises a hydraulic oil pump (10), an oil pump pressure gauge (11), an oil conveying pipeline (12), a hydraulic cylinder (13) and a plunger (14); oil pump manometer (11) are installed on hydraulic oil pump (10), hydraulic oil pump (10) and pneumatic cylinder (13) are connected in oil pipeline (12), pneumatic cylinder (13) are on restraint reaction plate (1) through bolted connection, and plunger (14) are used on equipartition apron (3).
4. The deep roadway and tunnel water and mud inrush three-dimensional physical simulation test system of claim 1, wherein: the water pressure loading system comprises a nitrogen cylinder (15), a gas storage and gas pressure meter (16), a valve (17), a gas transmission pipeline (18), a constant-temperature and constant-pressure water tank (19), a water transmission pipeline (20) and a water inrush pipeline (21); gas storage volume and gas pressure meter (16) are installed on nitrogen cylinder (15), install respectively on gas transmission pipeline (18) and conduit (20) valve (17), nitrogen cylinder (15) and constant temperature and pressure water tank (19) are connected in gas transmission pipeline (18), constant temperature and pressure water tank (19) and gushing water pipeline (21) are connected in conduit (20), gush water pipeline (21) are installed in gushing water structure gravel filter such as the inside fault of test box (4).
5. The deep roadway and tunnel water and mud inrush three-dimensional physical simulation test system of claim 4, wherein: constant temperature and constant pressure water tank (19) include constant temperature and constant pressure water tank pressure gauge (22), water inlet (23), water seal stopper (24), heating device (25), heating cavity (26), microcomputer control ware (27), water level gauge (28), install at constant temperature and constant pressure water tank pressure gauge (22) top, screw on water inlet (23) during water seal stopper (24) is experimental, install in heating cavity (26) heating device (25), install on heating cavity (26) surface upper portion microcomputer control ware (27), water level gauge (28) are installed at constant temperature and constant pressure water tank (19) middle part, constant temperature and constant pressure water tank (19) bottom is the free rotation wheel.
6. The deep roadway and tunnel water and mud inrush three-dimensional physical simulation test system of claim 1, wherein: the data acquisition system comprises a sensor (29), a transmission optical fiber (30), a data acquisition instrument (31) and a computer (32), wherein the sensor (29) is installed at the junction of a fault medium and a surrounding rock medium and inside, the sensor (29) is connected to the data acquisition instrument (31) through the transmission optical fiber (30), and the data acquisition instrument (31) is connected to the computer (32) through a data line (33).
7. The deep roadway and tunnel water and mud inrush three-dimensional physical simulation test system of claim 1, wherein: the muddy water protrusion recovery system comprises a cylindrical filter sieve (34) with the particle size of 0.2mm, a water sealing ring (35), a cylindrical filter sieve (36) with the particle size of 0.03mm, a transparent plastic panel (37), a water storage container (38), a capacity scale plate (39), a wheel support (40), a positioning scale (41) and a water outlet (42), wherein the water sealing ring (35) is arranged at the joint of each layer of filter sieve, the transparent plastic panel (37) is arranged on the side wall of the cylindrical filter sieve (36) with the particle size of 0.03mm, the bottom of the water storage container (38) is arc-shaped, the capacity scale plate (39) is arranged on the side wall of the water storage container (38), the water outlet (42) is arranged at the lowest position of the water storage container (38), the wheel support (40) is arranged at the bottom of the water storage container (38), the wheel support (40) adopts a telescopic design, and the positioning scale (41) is positioned on, the positioning scale (41) is used for adjusting the flatness and the height of the muddy water protrusion recovery system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020580646.2U CN212228934U (en) | 2020-04-18 | 2020-04-18 | Deep tunnel and tunnel water inrush and mud inrush three-dimensional physical simulation test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020580646.2U CN212228934U (en) | 2020-04-18 | 2020-04-18 | Deep tunnel and tunnel water inrush and mud inrush three-dimensional physical simulation test system |
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| Publication Number | Publication Date |
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| CN212228934U true CN212228934U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020580646.2U Expired - Fee Related CN212228934U (en) | 2020-04-18 | 2020-04-18 | Deep tunnel and tunnel water inrush and mud inrush three-dimensional physical simulation test system |
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| CN (1) | CN212228934U (en) |
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2020
- 2020-04-18 CN CN202020580646.2U patent/CN212228934U/en not_active Expired - Fee Related
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