CN112269013A - Multi-physical-field coupled landslide disaster simulation test device - Google Patents
Multi-physical-field coupled landslide disaster simulation test device Download PDFInfo
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Abstract
The invention discloses a multi-physical-field coupled landslide hazard simulation test device which comprises a box body, a vibration simulation mechanism, a rainfall simulation mechanism and an illumination simulation mechanism, wherein the upper end of the box body is open, a landslide body model is arranged in the box body, the vibration simulation mechanism is arranged at the lower end of the box body and is used for driving the box body to vibrate, the rainfall simulation mechanism is used for spraying water to the interior of the box body to simulate rainfall, the illumination simulation mechanism is used for irradiating the box body to simulate sunlight illumination, and water can be added into the box body or drained outwards from the box body to simulate the change of reservoir water level. The test device can test the landslide after coupling the multi-physical-field influence factors of the landslide, can arrange single-factor and double-factor landslide simulation tests under the influence of multiple factors according to test requirements, simulates the coupling relation between physical fields in different environments, and is favorable for qualitative and quantitative research and analysis of landslide evolution mechanisms.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering and engineering geology, in particular to a multi-physical-field coupled landslide hazard simulation test device.
Background
In the development process of national economy, a large number of reservoirs are built, can play a role in flood control and flood fighting, can also store water for irrigation, provide safe and reliable drinking water for people around, and remarkably improve the utilization rate of water resources. However, because the reservoir is in a water environment for a long time and is influenced by a plurality of natural factors, certain safety risks exist in the use process, particularly a landslide phenomenon, on one hand, the safety of the whole quality of the reservoir is influenced, and even dam break accidents are caused, and on the other hand, the safety of lives and property of people around the reservoir is threatened.
The inducing factors of landslide are: the continuous scouring of surface water bodies such as earthquakes, rainfall and snow melting, scouring and soaking of surface water, rivers and the like to slope toe; unreasonable human engineering activities such as digging slope toe, loading on the upper part of the slope body, blasting, storing (discharging) water in a reservoir, mining and the like can induce landslide, and the landslide can be induced by the actions such as storm surge, freeze thawing and the like.
At present, landslide research in laboratories is mainly based on single induction factors, such as rainfall intensity, slope gradient, surge and other induction factors, and consideration of other factors is neglected. However, a great deal of facts indicate that rainfall is the main cause of landslide disasters, wherein the influence of vibration, rainfall and dry-wet circulation on landslide is the most remarkable, but in different areas, rock and soil bodies, gradients, vibration, dry-wet circulation and other environments are different, rainwater infiltration conditions are different, extreme balance conditions of landslide bodies are also different, and the development and disaster-causing results of landslide are also greatly different.
At present, a slope model test system is subjected to combined action of rainfall and reservoir water level in high schools such as Qinghua university and China academy of sciences mechanical research; the university such as Quanzhou Equipment manufacturing institute, south China agricultural university has vibration and rainfall coupling effect landslide experimental apparatus; the laboratory landslide analysis equipment of the Wuhan geological survey center comprises a landslide surge experiment device, a sand column drainage experiment device, an indoor landslide physical model experiment platform, a slope soil rainfall runoff and infiltration model and an artificial rainfall simulation system, wherein influence factors of landslide are various, and the experiment devices are considered in a single inducing angle and neglect the influence of other factors; however, the test system can only perform landslide simulation of a single factor, is not beneficial to coupling research of combination of multi-factor data, and cannot perform landslide experimental simulation comprehensively and more practically.
Disclosure of Invention
In order to solve the technical problem, the invention provides a test device which meets the requirement of simulating landslide under the coupling effect of multiple physical fields.
The utility model provides a landslide calamity analogue test device of many physics field couplings, includes box, vibration analog mechanism, rainfall analog mechanism and illumination analog mechanism, the box upper end is uncovered, and its inside is used for setting up landslide body model, vibration analog mechanism installs the box lower extreme, it is used for the drive the box vibration, rainfall analog mechanism be used for to the inside trickle of box is in order to simulate the rainfall, illumination analog mechanism is used for shining the box is in order to simulate sunlight illumination.
Preferably, the rainfall simulation mechanism comprises a plurality of spray heads, the spray heads are arranged above the box body, nozzles of the spray heads face downwards, the spray heads are respectively communicated with a water source through pipelines, and the spray heads are respectively used for spraying water into the box body.
Preferably, the illumination simulation mechanism comprises a plurality of light emitting members, the plurality of light emitting members are respectively arranged above the box body, and the plurality of light emitting members respectively face the inside of the box body.
Preferably, the plurality of light emitting elements are equally divided into a plurality of light emitting element groups, the plurality of light emitting element groups are distributed above the box body at intervals along the width direction of the box body, each light emitting element group comprises a plurality of light emitting elements, and the plurality of light emitting elements of each light emitting element group are distributed above the box body at intervals along the length direction of the box body.
Preferably, the illumination simulation mechanism further comprises a plurality of n-shaped supports, the number of the supports corresponds to each of the plurality of light-emitting members in the light-emitting member groups, the supports are vertically arranged, n-shaped openings of the supports face downwards, two ends of the supports are respectively located on two sides of the box body corresponding to the length direction, the light-emitting member groups are respectively installed on the supports, and each of the light-emitting members in the light-emitting member groups is respectively installed on the corresponding support.
Preferably, the bottom wall fixed mounting has the breakwater in the box, just the breakwater is followed the width direction vertical distribution of box, the breakwater will box internal partitioning is independent reservoir district and landslide district, be provided with a plurality of evenly distributed on the breakwater and with the reservoir district with the apopore of landslide district intercommunication, just landslide body model is used for setting up in the landslide district, external force can to add water in the reservoir district or follow the outwards drainage in reservoir district is with the change of simulation reservoir water level.
Preferably, the water level simulation device further comprises a water level simulation mechanism which is arranged on one side of the box body and is used for supplying water into the box body or pumping water from the box body so as to simulate the change of reservoir water level.
Preferably, the landslide mass model further comprises a monitoring mechanism, wherein the monitoring mechanism is arranged on one side of the box body and is used for monitoring the substrate suction force, the volume water content, the pore water pressure and/or the pore air pressure of the landslide mass model.
Preferably, the monitoring mechanism further comprises a controller and a plurality of sensor groups, each sensor group comprises a matrix suction sensor, a volume water content sensor, a pore water pressure sensor and a pore air pressure sensor, the controller is arranged on one side of the box body, and the plurality of sensor groups are embedded in the landslide body model at intervals and are electrically connected with the controller respectively.
Preferably, the landslide mass model further comprises a camera, wherein the camera is arranged on one side of the box body, and the camera of the camera faces the landslide mass model.
The test device can test the landslide after coupling the influence factors of the multiple physical fields of the landslide, can simulate and research the evolution mechanism of the landslide induced by the rainfall and the reservoir water level launching power, can research the landslide body model, can arrange single-factor and double-factor landslide simulation tests under the influence of the multiple factors according to the test requirements, can simulate the coupling relation between the physical fields in different environments, and is favorable for qualitative and quantitative research and analysis of the landslide evolution mechanism.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic structural diagram of a multi-physical-field coupled landslide hazard simulation test apparatus according to an embodiment of the present invention.
The specific meanings of the reference numerals are:
1. a box body; 11. a landslide body model; 12. a water baffle; 2. a vibration simulation device; 3. a rainfall simulation device; 31. a spray head; 4. an illumination simulation mechanism; 41. a light emitting member; 42. a support; 5. a water level simulation mechanism; 51. a water pump; 52. a water delivery pump; 6. a monitoring mechanism; 7. a camera.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The principles and features of the present invention are described below in conjunction with the accompanying fig. 1, which is provided by way of example only to illustrate the present invention and not to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention is provided, and the multi-physical-field coupled landslide hazard simulation test apparatus according to the embodiment of the present invention includes a box 1, a vibration simulation mechanism 2, a rainfall simulation mechanism 3 and an illumination simulation mechanism 4, an upper end of the box 1 is open, a landslide body model 11 is disposed in the box 1, the vibration simulation mechanism 2 is installed at a lower end of the box 1 and is configured to drive the box 1 to vibrate, the rainfall simulation mechanism 3 is configured to spray water into the box 1 to simulate rainfall, and the illumination simulation mechanism 4 is configured to illuminate the box 1 to simulate sunlight illumination.
The vibration simulation mechanism 2 vibrates at the bottom of the box body 1 to drive the box body 1 to vibrate, so that the phenomenon that unstable rock masses or soil masses on a ground surface slope slide downwards integrally under the action of gravity when a landslide mass model 11 in the box body 1 is influenced by an earthquake is simulated;
the rainfall simulation mechanism 3 sprays water into the box body 1, so that the influence of the landslide body model 11 under the rainfall condition is simulated;
the illumination simulation mechanism 4 emits light and irradiates the inside of the box body 1 to simulate the influence of sunlight on the landslide body model 11;
the staff can simulate the reservoir water level change of the landslide body model 11 by adding water into the box body 1 or draining water from the box body 1.
Rainfall and the reservoir water level of the periodic reservoir rise and fall change the occurrence process of a reservoir bank landslide body, the rainfall simulation mechanism 3 and the water level change in the box body 1 enable the landslide body model 11 to be in a dry state and a saturated state periodically, the seepage field in the landslide body is changed, the stability of the landslide is changed, and the stress state of the landslide body is changed, so that the rainfall and the reservoir water level launching power induced landslide evolution mechanism can be researched by coupling the rainfall simulation mechanism 3 and the water level change in the box body 1;
the soil is in a wet state after raining, the water in the soil is evaporated by the irradiation of sunlight after raining, and the soil returns to a dry state. When the soil is in a dry-wet alternation state, the soil pores are increased gradually, the soil structure is obviously changed, the connection among soil bodies is weakened, the degree of freedom and the activity among the soil bodies are increased, and a landslide body is easier to generate a factor of destabilizing landslide under the induction of an external factor, so that the illumination simulation mechanism 4 is used for evaporating moisture in an unsaturated soil body under the influence of illumination on the landslide body model 11, the illumination simulation mechanism 4 is coupled with the rainfall simulation mechanism 3 to realize a dry-wet cycle process on an experimental soil body, and the evolution mechanism of the landslide body model 11 inducing landslide in the dry-wet cycle process is researched.
The landslide hazard simulation test device can simulate and research the evolution mechanism of rainfall and reservoir water level launching power induced landslide and the evolution mechanism of a landslide body model 11 in the dry-wet cycle process induced landslide, can also arrange single-factor, double-factor and multi-factor influence landslide simulation tests on influence factors of landslide according to test requirements, simulate the coupling relation between physical fields in different environments, and is beneficial to qualitative and quantitative research and analysis of the landslide evolution mechanism.
The vibration simulation mechanism 2 comprises a plurality of transverse vibrators and a plurality of longitudinal vibrators which are arrayed at the bottom of the box body 1, the plurality of transverse vibrators and the plurality of longitudinal vibrators can simulate the influence on the landslide body model when earthquakes occur, the plurality of transverse vibrators and the plurality of longitudinal vibrators can simulate the longitudinal and transverse vibration loads when external vibration occurs, and the load numerical analysis calculation and simulation experiments can be carried out by adjusting the load applied to the mounting positions of the longitudinal and transverse vibration mechanisms so as to simulate the evolution process under various geological conditions. According to the method, the vibration load can be output in a one-way or two-way coupling mode through the plurality of transverse vibrators and the plurality of longitudinal vibrators which are arranged at the bottom of the box body 1, and the vibration condition of the region where the landslide body model is located can be simulated; and the landslide body models with different sizes can be adapted through the distribution positions and the vibration schemes of the plurality of transverse vibrators and the plurality of longitudinal vibrators, so that the landslide process evolution under various geological conditions can be simulated.
In this embodiment, the transverse vibrator and the longitudinal vibrator both use transducers, and have the advantages of high conversion efficiency, low price and long service life.
Preferably, the rainfall simulation mechanism 3 comprises a plurality of spray heads 31, the plurality of spray heads 31 are arranged above the box body 1, nozzles of the spray heads are downward, the plurality of spray heads 31 are respectively communicated with a water source through pipelines, and the plurality of spray heads 31 are respectively used for spraying water to the interior of the box body 1.
The embodiment is multiple the shower nozzle 31 adopts water pump and water source intercommunication, and is a plurality of the shower nozzle adopts pressure downward spray formula rainfall simulation, the raindrop energy of shower nozzle 31 spun is big, has stronger anti-wind ability, really is close natural rainfall.
This application accessible pressure water source's pressure and the size adjustment rainfall intensity of shower nozzle 31 nozzle to the raindrop size of four kinds of different rainfall types of simulation light rain, well rain, heavy rain and rainstorm, and accord with general rainfall raindrop mark, thereby guarantee this application analogue test device is to the simulation effect of rainfall.
In this embodiment, the upper end of box 1 is equipped with a plurality of spray pipes, and is a plurality of the spray pipe is in its width direction interval evenly distributed is followed to box 1 top, every the lower extreme of spray pipe is installed a plurality of shower nozzles 31 along its length direction interval evenly distributed respectively, and is a plurality of the one end that the raceway is respectively is sealed, and its other end passes through pump and water source intercommunication respectively, and pump and many be equipped with flow control valve and air-vent valve between the raceway.
When the rainfall simulation is carried out, the water supply pressure and the flow of the pump can be adjusted by adjusting the flow adjusting valve and the pressure adjusting valve, so that four natural rains with different rainfall intensities, namely light rain, medium rain, heavy rain and heavy rain, can be simulated more accurately.
Rainfall simulation mechanism is still including setting up a plurality of the automatic rain gutter system that hides of 31 below shower nozzles, the automatic rain gutter system that hides is used for collecting pipeline low pressure water dripping around the rainfall to avoid when the water pressure in the water supply line does not reach the shower nozzle and rises to spout pressure, can form great water droplet and fall and destroy ground experimental model, avoid the invalid rainfall that forms when rainfall stop water pump closes simultaneously.
Preferably, the illumination simulation mechanism 4 includes a plurality of light emitting members 41, the plurality of light emitting members 41 are respectively disposed above the case 1, and the light emitting portions of the plurality of light emitting members 41 respectively face the inside of the case 1.
The illumination intensity is adjusted by adjusting the number of the lightening members 41 so as to truly simulate the change of the landslide body model 11 under the illumination condition.
The light emitting members 41 may be linear light sources, which are horizontally disposed above the box 1, and the light emitting portions of the linear light sources face the middle portion of the inside of the box 1.
The plurality of light emitting members 41 may also be point light sources, the plurality of light emitting members 41 are equally divided into a plurality of light emitting member groups, the plurality of light emitting member groups are spaced apart from each other above the box body 1 along the width direction thereof, each of the plurality of light emitting member groups includes a plurality of light emitting members 41, and the plurality of light emitting members of each of the plurality of light emitting member groups are spaced apart from each other above the box body 1 along the length direction thereof.
It is a plurality of the illuminating part can be in the even array distribution in box 1 top, it is a plurality of the illuminating part evenly shines box 1 can also be through lightening different quantity the illuminating part simulates the sun ray of different sunshine conditions.
Preferably, the illumination simulation mechanism 4 further includes a plurality of n-shaped brackets 42, and the number of the brackets 42 corresponds to each of the plurality of light emitting members 41 in a one-to-one manner, the brackets 42 are vertically disposed, and the n-shaped openings thereof face downward, the two ends thereof are respectively located at the two sides of the corresponding length direction of the box body 1, the plurality of light emitting members are respectively mounted on the plurality of brackets 42, and each of the plurality of light emitting members 41 is respectively mounted on the corresponding bracket 42.
A plurality of the illuminating part of illuminating part moves towards respectively corresponding width direction's middle part in the box 1, when carrying out the illumination simulation, follow one side of box 1 is a plurality of according to the order to its opposite side light illuminating part group in proper order to the change of the light irradiation angle of simulation sunlight, thereby simulation landslide body model 11 is in the change of natural sunshine, and adjustable every the illumination intensity of illuminating part group realizes the simulation of different sunshine intensity.
The plurality of luminous members are installed at different positions of the support 42, and the plurality of luminous units are installed such that the installation angle thereof follows the change in the angle of the upper end of the support, thereby simulating the change of the landslide body model 11 in natural sunshine.
As shown in fig. 1, a plurality of the light emitting units 42 of the present application are located below a plurality of the nozzles 31, and the illumination simulation mechanism 4 needs to be subjected to watertight, heat-insulating and flame-retardant treatment, so as to improve the safety and reliability of use.
In this embodiment, the slide rails are respectively installed on two sides of the box body 1 corresponding to the length direction, two ends of the support 42 are respectively slidably installed on the slide rails, when the rainfall simulation mechanism 3 rains, the support 42 is moved to two sides of the box body 1, so that the illumination simulation assembly 4 is prevented from influencing the rainfall process, and after the rainfall is finished and when the illumination needs to be simulated, the support 42 is slid to a required position.
Preferably, there are breakwaters 12 in 1 bottom wall fixed mounting of box, just breakwaters 1 follows the width direction vertical distribution of box 1, breakwaters 12 will 1 internal partitioning of box is independent reservoir district and landslide body region, be provided with a plurality of evenly distributed on breakwaters 12 and with the reservoir district with the apopore of landslide body region intercommunication, just landslide body model 11 is used for setting up in the landslide body region, external force can to add water in the reservoir district or follow the change of reservoir district outside drainage in order to simulate the reservoir water level.
When external force can add water into the reservoir area or drain water from the reservoir area outwards, the water level in the reservoir area changes, meanwhile, the water level in the landslide body area rises or falls, and the water baffle 12 avoids the influence of waves formed by the falling and rising of the water level in the reservoir area on the landslide body model 11 so as to truly simulate the influence of the falling or rising of the water level in the reservoir area on the landslide body model 11.
In this embodiment, the water outlets may be distributed at positions of the water baffle 12 near the lower end thereof, and the bottoms of the reservoir area and the landslide area form a communicating vessel, so that when the water level in the reservoir area changes, the water levels in the reservoir area and the landslide area gradually change, thereby preventing waves from being formed in the landslide area.
Preferably, a water level simulation mechanism 5 is further included, the water level simulation mechanism 5 being provided at one side of the tank 1 and serving to supply water into the tank 1 or draw water from the tank 1 to simulate a change in reservoir water level.
The water level simulation mechanism 5 is used for simulating reservoir water level change of a landslide body by supplying water into the box body 1 or pumping water from the box body 1, so that the control is facilitated.
As shown in the figure, in this embodiment, the water level simulation mechanism 5 includes a water pump 51 and a water delivery pump 52, a water inlet of the water pump 51 and a water outlet of the water delivery pump 52 are respectively communicated with the bottom inside the box body 1, and a water outlet of the water pump 51 and a water inlet of the water delivery pump 52 are respectively communicated with a water source.
The water delivery pump 52 delivers water into the box body 1 to simulate reservoir water level rise, the water suction pump 51 pumps water from the box body 1 outwards to simulate reservoir water level fall, and the influence of periodic reservoir water level rise or fall on the landslide body model 11 can be simulated through the arrangement of water delivery of the water delivery pump 52 and water pumping work of the water suction pump 51.
Wherein, be equipped with on the box 1 with the inside opening that communicates in reservoir district, the water inlet of suction pump 51 with the delivery port of water delivery pump 52 respectively with two the opening intercommunication, and two the opening is located respectively the bottom of box 1 lateral wall or its lower extreme avoid suction pump 51 draws water or water delivery pump 52 is in when sending water the water surface produces the wave.
The testing device further comprises a monitoring mechanism 6, wherein the monitoring mechanism 6 is arranged on one side of the box body 1 and used for monitoring the substrate suction force, the volume water content, the pore water pressure and/or the pore air pressure of the landslide body model 11.
The monitoring mechanism 6 is used for detecting the data of the landslide body model 11 in the whole process of inoculation, generation, development and continuous to discontinuous deformation of landslide under different influence factors.
Preferably, the monitoring mechanism 6 further comprises a controller and a plurality of sensor groups, each sensor group comprises a matrix suction sensor, a volume water content sensor, a pore water pressure sensor and a pore air pressure sensor, the controller is arranged on one side of the box body 1, and the plurality of sensor groups are embedded in the landslide body model 11 at intervals and are electrically connected with the controller respectively.
In this embodiment, each of the sensor assemblies respectively includes a matrix suction sensor, a volume water content sensor, a pore water pressure sensor, and a void air pressure sensor, and the matrix suction sensor, the volume water content sensor, the pore water pressure sensor, and the void air pressure sensor of the same group are sequentially distributed from top to bottom, and each of the sensor assemblies is respectively used for acquiring the matrix suction, the volume water content, the pore water pressure, and the void air pressure of the landslide body model 11 and sending the same to the controller, so as to record a data value and store the data value in the database, thereby facilitating later-stage query, playback, and numerical analysis.
Preferably, the landslide mass model building device further comprises a camera 7, wherein the camera 7 is arranged on one side of the box body 1, and the camera of the camera faces the landslide mass model 11.
The camera 7 is used for shooting and recording the video of the parameter change process of the landslide body model 11 in the whole process of inoculation, generation and development from landslide and discontinuous deformation, and is convenient for later-stage query.
As shown in figure 1, three cameras 7 are arranged, one of the cameras is arranged above the box body 1, and the other two cameras 7 are arranged on two sides of the box body 1 so as to comprehensively shoot the whole process of slope inoculation, generation and development and continuous to discontinuous deformation.
The camera is a high-speed camera, the high-speed camera can be used for recording a fast moving object as a picture image to a storage medium, and after recording, the image stored on the medium can play the high-speed camera technology in a slow motion mode.
In this embodiment, the landslide mass model further comprises a flow sensor, wherein the flow sensor is installed at the bottom of the landslide mass model 11 and is electrically connected with the controller.
The flow monitoring sensor is used for monitoring the flow of water flowing down the slope surface of the landslide body model 11.
In this embodiment, the vibration simulation mechanism 2, the rainfall simulation mechanism 3, the illumination simulation mechanism 4, the water level simulation mechanism 5, and the camera 7 are electrically connected to the controller, respectively.
In this embodiment, each of the brackets 42 is provided with a driving element, and each of the driving elements is used for driving the corresponding bracket 42 to move along the corresponding slide rail.
The controller respectively with transducer, suction pump 51, water delivery pump 52, flow control valve, air-vent valve camera 7, a plurality of illuminating part 41 with the driving piece electricity is connected, be convenient for according to the lift of experimental plan control reservoir water level, rainfall intensity and time, whether to sunshine, sunshine intensity and time, whether vibration, the frequency and the intensity of vibration, the mode of vibration, the controller can enough record current rainfall intensity, pipeline pressure, the intensity and the frequency and the current illumination data of current vibration, and the accessible the camera takes notes the experimental overall process of landslide to can take notes landslide body model 11's experimental parameter, subsequent data analysis of being convenient for, the system is more intelligent.
The controller is used for the intelligent many field coupling of overall process control experimentation, can make the experimental plan according to the experiment requirement, control rainfall, vibration and sunshine time quantum and length, through the visual overall process of record landslide experiment of the mode of making a video recording to the real-time recording updates many physical field experiment parameters, the subsequent data analysis of being convenient for.
This application water pump, suction pump 51, delivery pump are still passable the rack is installed one side of box 1 is avoided it is right to produce the vibration when water pump, suction pump 51, delivery pump carry water the influence of test simulation.
The testing equipment further comprises a display, wherein the display is electrically connected with the controller and used for displaying data such as current rainfall intensity, pipeline pressure, current vibration intensity and frequency, current illumination data and the like, and a worker can conveniently monitor the testing state of the testing device in real time.
In this embodiment, still include the alarm, the alarm with the controller electricity is connected, the controller acquires vibration simulation mechanism 2, rainfall simulation mechanism 3, illumination simulation mechanism 4, water level simulation mechanism 5 and camera 7's operating signal, real-time grasp test device's running state works as when test device operates unusually, the controller send signal extremely vibration simulation mechanism 2, rainfall simulation mechanism 3, illumination simulation mechanism 4, water level simulation mechanism 5, camera 7 and the alarm, vibration simulation mechanism 2, rainfall simulation mechanism 3, illumination simulation mechanism 4, water level simulation mechanism 5 and camera 7 stop work, just the alarm sends the police dispatch newspaper, and it is right to make things convenient for the staff test device overhauls.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a landslide hazard analogue test device of many physics field couplings, its characterized in that, includes box (1), vibration simulation mechanism (2), rainfall simulation mechanism (3) and illumination simulation mechanism (4), box (1) upper end is uncovered, and its inside is used for setting up landslide body model (11), vibration simulation mechanism (2) are installed box (1) lower extreme, it is used for the drive box (1) vibration, rainfall simulation mechanism (3) be used for to box (1) inside trickle is in order to simulate the rainfall, illumination simulation mechanism (4) are used for shining box (1) is in order to simulate sunlight illumination.
2. The simulation test device for landslide disaster coupled with multiple physical fields as claimed in claim 1, wherein the rainfall simulation mechanism (3) comprises a plurality of spray heads (31), the plurality of spray heads (31) are arranged above the box body (1) with nozzles facing downwards, the plurality of spray heads (31) are respectively communicated with a water source through pipelines, and the plurality of spray heads (31) are respectively used for spraying water to the inside of the box body (1).
3. The simulation testing apparatus for simulating a landslide hazard coupled according to claim 1, wherein the illumination simulation mechanism (4) comprises a plurality of illuminating members (41), the plurality of illuminating members (41) are respectively disposed above the box body (1), and illuminating portions of the plurality of illuminating members (41) respectively face the inside of the box body (1).
4. The multiphysics-coupled landslide hazard simulation test apparatus according to claim 3, wherein said plurality of said light emitting members (41) are equally divided into a plurality of light emitting member groups, said plurality of light emitting member groups are spaced apart along a width direction thereof above said case (1), each of said light emitting member groups comprises a plurality of said light emitting members (41), and said plurality of said light emitting members of each of said light emitting member groups are spaced apart along a length direction thereof above said case (1).
5. The simulation test device for landslide hazard coupled according to claim 4, wherein the illumination simulation mechanism (4) further comprises a plurality of n-shaped brackets (42), the number of the brackets (42) corresponds to the number of the light emitting members (41) of each light emitting member group one by one, the brackets (42) are vertically arranged, the n-shaped openings of the brackets are downward, the two ends of the brackets are respectively located at the two sides of the box body (1) in the corresponding length direction, the plurality of light emitting member groups are respectively installed on the plurality of brackets (42), and the plurality of light emitting members (41) of each light emitting member group are respectively installed at the upper ends of the corresponding brackets (42).
6. The multi-physics-field-coupled landslide hazard simulation test device according to claim 1, wherein a water baffle (12) is fixedly mounted on an inner bottom wall of the box body (1), the water baffle (1) is vertically distributed along the width direction of the box body (1), the water baffle (12) divides the interior of the box body (1) into an independent reservoir area and a landslide area, a plurality of water outlet holes which are uniformly distributed and communicated with the reservoir area and the landslide area are formed in the water baffle (12), the landslide model (11) is arranged in the landslide area, and external force can add water into the reservoir area or drain water from the reservoir area outwards to simulate the change of reservoir water level.
7. The multiphysics-coupled landslide hazard simulation test apparatus according to any one of claims 1-6, further comprising a water level simulation mechanism (5), said water level simulation mechanism (5) being disposed at one side of said tank (1) and being configured to supply water into said tank (1) or to draw water from said tank (1) to simulate a change in reservoir water level.
8. The multi-physical-field-coupled landslide hazard simulation test apparatus according to any one of claims 1-6 further comprising monitoring means (6), wherein said monitoring means (6) is disposed at one side of said box (1) and is used to monitor the matrix suction, volumetric water content, pore water pressure and/or void air pressure of said landslide body model (11).
9. The multi-physical-field coupled landslide hazard simulation test device according to claim 8, wherein the monitoring mechanism (6) comprises a controller and a plurality of sensor groups, each sensor group comprises a matrix suction sensor, a volume water content sensor, a pore water pressure sensor and a pore air pressure sensor, the controller is arranged on one side of the box body (1), and the plurality of sensor groups are embedded in the landslide body model (11) at intervals and are electrically connected with the controller respectively.
10. A multi-physics-field-coupled landslide hazard simulation test apparatus according to any one of claims 1-6 further comprising a camera (7), said camera (7) being disposed on one side of said housing (1) with its camera facing said landslide mass model (11).
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