CN215812315U - Atmospheric damp-heat alternative environment simulation test device for high liquid limit soil - Google Patents

Abstract

The application provides an atmosphere damp and hot alternation environment simulation test device of high liquid limit soil, belongs to atmospheric environment simulation technical field among the geotechnical engineering. The atmosphere damp-heat alternative environment test device for simulating the high liquid limit soil comprises a model box and a temperature control assembly. Bottom fixedly connected with drainage subassembly in the mold box, the quality monitoring subassembly is installed on drainage subassembly upper portion, the open department in mold box top still installs the case lid board, install on the case lid board and extend to the rainfall simulation subassembly at top in the mold box, just the direction orientation that sprays of rainfall simulation subassembly quality monitoring subassembly upper portion, digital camera is installed to the top intermediate position in the case lid board. The device is simple in structure and convenient to operate, and can effectively research the influence of different dehumidification and moisture absorption temperatures and different rainfall intensities on the physical and mechanical properties of the high liquid limit soil in the atmosphere damp-heat alternative environment.

Description

Atmospheric damp-heat alternative environment simulation test device for high liquid limit soil

Technical Field

The application relates to the technical field of atmospheric environment simulation in geotechnical engineering, in particular to an atmospheric damp-heat alternative environment simulation technology for high liquid limit soil.

Background

Rainfall is one of important factors for inducing landslide of the high liquid limit soil slope, landslide of part of the high liquid limit soil stable slope is often caused under certain extreme rainfall, the formation mechanism, prediction and prevention are still important subjects, and a large number of tests are needed for research.

An important parameter in the design of the existing side slope is the dry-wet cycle characteristic of the slope body. The soil body is degraded in material, developed in cracks and reduced in strength under multiple dry and wet cycles, so that landslide is caused, and the mainstream view of slope body damage of the existing side slope is provided. However, the current specification of the dry-wet cycle test does not relate to the seepage problem of the soil body in the moisture absorption process and the environmental temperature problem in the moisture removal process, and the obvious influence of the soil body seepage and the environmental temperature on the physical and mechanical properties of the soil body is ignored.

How to invent an atmospheric damp-heat alternative environment simulation test device for high liquid limit soil to improve the problems becomes a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the application provides an atmosphere damp and hot alternation environment simulation test device of high liquid limit soil, aims at improving the environmental temperature problem in the seepage flow problem, the dehumidification process that does not relate to soil body existence when the moisture absorption process in the wet cycle test on the present specification.

The embodiment of the application provides an atmosphere damp and hot alternation environment simulation test device of high liquid limit soil, including mold box and temperature control subassembly.

Bottom fixedly connected with drainage subassembly in the mold box, quality monitoring subassembly is installed on drainage subassembly upper portion, the open department in mold box top still installs the case lid board, install on the case lid board and extend to the rainfall simulation subassembly at top in the mold box, just rainfall simulation subassembly spray direction orientation quality monitoring subassembly upper portion, the part that the temperature control subassembly is used for heating and temperature sensing install in inside the mold box, the part that the temperature control subassembly is used for the accuse temperature install in the mold box is outside, digital camera is installed to top intermediate position in the case lid board.

In the implementation process, the following advantages are provided:

1. the whole device has simple structure, convenient operation and convenient movement; 2. the rainfall simulation component has variable rainfall simulation intensity, reliable generation mode and rainfall density and can simulate the requirements of different rainfall intensities; 3. the temperature environment of the simulation device is variable, and different temperature environments can be set according to different requirements; 4. the quality of the soil sample in the simulation device can be monitored in real time, and the change condition of the water content of the sample in different environments can be obtained.

In a specific implementation scheme, the rainfall simulation assembly comprises a water tank I, a peristaltic pump, a water tank II, a flow meter, a throttle valve and four spray headers, a water supply pipeline is communicated between the bottom of the water tank I and the top of the water tank II, the peristaltic pump is fixedly installed on the water supply pipeline, and water in the water tank I is pumped into the water tank II through the peristaltic pump.

In a specific embodiment, the bottom of the water tank II is communicated with a rubber tube I, the flowmeter and the throttle valve are respectively installed on the rubber tube I, the flowmeter is close to the water tank II, the four spray headers respectively penetrate through the tank cover plate and extend to the interior of the model box, the four spray headers respectively have connecting pipelines installed at the water inlet ends of the top ends of the four spray headers, and the four connecting pipelines are jointly communicated with the bottom end of the rubber tube I.

In the above-mentioned realization in-process, water in with water tank I through the peristaltic pump in the rainfall simulation subassembly leads to in the water tank II through water supply pipe, open the choke valve, drench the water in the water tank II to the pan of weighing of quality monitoring subassembly place certainly through rubber tube I and four shower heads, drench promptly on the soil sample, the position through changing water tank II simultaneously changes flood peak height, change water pressure, thereby reach the purpose that changes rainfall intensity, and can give the certain initial kinetic energy of rubber tube I water through certain water pressure, the fixed position on the case apron is fixed in the shower head connection, the shower head is needle tubing formula rainfall generator, through the homogeneity of dense orderly arrangement assurance rainfall.

In a particular embodiment, the drainage assembly includes a metal screen attached to the interior bottom of the mold box and a water collection tank.

In the implementation process, the metal filter screen can also be used for filtering impurities falling into water, so that the probability of blockage of the rubber pipe II in the drainage process of the model box is reduced.

In a specific implementation scheme, the bottom of the side wall of the model box is further communicated with a rubber tube II, the bottom in the model box is arranged in an inclined slope shape, the rubber tube II is positioned at the slope toe of the inclined slope, the height of the joint of one end of the rubber tube II and the model box is lower than that of the joint of the metal filter screen and the model box, and the other end of the rubber tube II extends into the water collecting tank.

In the implementation process, the bottom in the model box is provided with a certain gradient, so that water in the model box can be conveniently and quickly discharged into the water collecting tank through the rubber pipe II.

In a specific embodiment, the mass monitoring assembly is specifically configured as an electronic balance, a scale pan surface of the electronic balance is coated with a waterproof layer, and the electronic balance is used for placing a soil sample.

In the implementation process, the probability that the scale pan of the electronic balance is rusted can be reduced through the waterproof layer, the electronic balance is a specially-made lateral drainage scale pan, the upper surface of the scale pan is arranged in a gentle quadrangular pyramid shape, drainage is facilitated, the probability that a soil sample slides out of the scale pan is reduced, and sample mass change can be mastered in real time through observation of display screen reading carried by the electronic balance in an experiment, so that the water content of the sample is obtained through inverse calculation.

In a specific embodiment, the front side of the mold box is also arranged in an open manner, the organic glass block is embedded in the open position of the front side of the mold box, and self-locking universal wheels are arranged at four corners of the bottom of the mold box.

In the implementation process, the condition of rainfall simulation in the model box can be observed conveniently in real time by using the organic glass blocks, the probability of occurrence of an accident condition is reduced, and the convenience of position transfer and change of the model box is improved by moving the model box by using the self-locking universal wheels.

In a specific embodiment, the temperature control assembly comprises a temperature sensing probe, a temperature controller and six heating bulbs, the temperature sensing probe is mounted on the inner wall of the model box, the temperature controller is arranged on the outer side of the model box, and the temperature sensing probe is connected with the temperature controller through a lead wire.

In a specific embodiment, six heating bulbs are respectively installed on the box cover plate, the six heating bulbs are also connected with the temperature controller through electric wires, and the heating range of the six heating bulbs is a closed space surrounded by the box cover plate, the model box and the organic glass block.

In the above-mentioned implementation process, temperature controller connects heating bulb and temperature-sensing probe, after setting for the target temperature scope, temperature controller is to the heating bulb circular telegram, to the mold box beginning heating, when the temperature in temperature-sensing probe discernment model incasement temperature exceeded the target temperature, temperature controller is automatic to the outage of heating bulb, after the temperature is less than the settlement temperature scope, automatic to the heating bulb circular telegram, realize the control to the temperature in the mold box through this kind of mode, with the same equation, still be provided with waterproof lamp shade (not shown in the drawing) at the heating bulb outer wall, the model specification of lamp shade is prior art, no longer describe here, and the welding of mold box inner wall has the stainless steel rain cover that is used for sheltering from rain for temperature-sensing probe, the validity of temperature-sensing probe temperature measurement has been promoted.

In a specific embodiment, four lighting fixtures are further installed on the inner side surface of the box cover plate, and the four lighting fixtures are respectively close to four corners of the box cover plate.

In the implementation process, the condition of rainfall simulation inside the model box can be seen more clearly through the organic glass block by the experimenter due to the arrangement of the lighting lamp, meanwhile, a waterproof lampshade (not shown) is also arranged on the outer wall of the lighting lamp, and the model specification of the lampshade is also the prior art and is not explained here.

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 structural diagram of an atmospheric damp-heat alternative environment simulation test device for high liquid limit soil according to an embodiment of the present application;

fig. 2 is a schematic view of a back structure of a box cover plate according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a rainfall simulation assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a positional relationship between a temperature control assembly and a mold box according to an embodiment of the present disclosure.

In the figure: 10-a mold box; 20-a temperature control assembly; 21-a temperature sensing probe; 22-a temperature controller; 23-heating the bulb; 30-a drainage assembly; 31-a metal screen; 32-a water collection tank; 33-rubber tube II; 40-a quality monitoring component; 50-a box cover plate; 60-a rainfall simulation assembly; 61-Water tank I; 62-a peristaltic pump; 63-water tank II; 64-a flow meter; 65-a spray header; 66-water supply pipe; 67-rubber tube I; 68-a throttle valve: 70-digital camera: 80-lighting fixtures.

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. 1-4, the present application provides an atmospheric damp-heat alternative environment simulation test apparatus for high liquid limit soil, including a model box 10 and a temperature control assembly 20, a drainage assembly 30 is fixedly connected to a bottom portion of the model box 10, a quality monitoring assembly 40 is installed on an upper portion of the drainage assembly 30, a box cover plate 50 is further installed at an open top portion of the model box 10, in this embodiment, a device installation hole for installing a digital camera 70, a shower head 65, an illumination lamp 80 and a heating bulb 23 is reserved on the box cover plate 50, so as to facilitate quick assembly of the digital camera 70, the shower head 65, the illumination lamp 80, the heating bulb 23 and the box cover plate 50, and facilitate independent disassembly, maintenance or replacement of the above subsequent components. Install the rainfall simulation subassembly 60 that extends to the top in the model box 10 on the case lid board 50, and the shower direction of rainfall simulation subassembly 60 is towards quality monitoring subassembly 40 upper portion, the part that temperature control subassembly 20 is used for heating and temperature sensing is installed inside model box 10, the part that temperature control subassembly 20 is used for the accuse temperature is installed outside model box 10, digital camera 70 is installed to the top intermediate position in the case lid board 50, can monitor inside soil sample change condition through digital camera 70 shoots in real time, and digital camera 70 can set up to the mode of taking a picture for the discontinuity and gather the soil sample condition.

The front side of the model box 10 is also arranged in an open manner, an organic glass block is embedded in the open position of the front side of the model box 10, and self-locking universal wheels (not shown) are mounted at four corners of the bottom of the model box 10 through screws, wherein the organic glass block is convenient for observing the condition of simulating rainfall in the model box 10 in real time, so that the probability of occurrence of an accident condition is reduced; the self-locking universal wheels are used for moving the model box 10, so that the convenience of position transfer and change of the model box 10 is improved. Four lighting lamps 80 are further mounted on the inner side face of the box cover plate 50, the four lighting lamps 80 are close to four corners of the box cover plate 50 respectively, the lighting lamps 80 penetrate through equipment mounting holes reserved in the corresponding positions on the box cover plate 50 and are fixed through external screws, wiring terminals of the lighting lamps 80 extend to the outside of the model box 10, and experimenters can see the rainfall simulation condition inside the model box 10 more clearly through the organic glass blocks due to the fact that the lighting lamps 80 are arranged.

Referring to fig. 1 and 3, the rainfall simulation assembly 60 includes a water tank I61, a peristaltic pump 62, a water tank II 63, a flow meter 64, a throttle valve 68 and four spray headers 65, a water supply pipeline 66 is communicated between the bottom of the water tank I61 and the top of the water tank II 63, the water inlet and water outlet ends of the peristaltic pump 62 can be fixedly mounted on the water supply pipeline 66 through flanges, and the water in the water tank I61 is pumped into the water tank II 63 through the peristaltic pump 62, meanwhile, a return pipe is communicated between the water tank II 63 and the upper part of the water tank I61, when the water level in the water tank II 63 exceeds the return pipe, the excessive water in the water tank II 63 flows back into the water tank I61, and the condition that the water in the water tank II 63 overflows outwards is avoided. The bottom of the water tank II 63 is communicated with a rubber tube I67, the connection mode of the rubber tube I67 and the bottom side wall of the water tank II 63 is the prior art, and is not repeated here, and meanwhile, the water tank II 63 is a water head water tank, and the height can be adjusted. The flowmeter 64 and the throttle valve 68 are respectively installed on the rubber tube I67, the flowmeter 64 is arranged close to the water tank II 63, and the throttle valve 68 is close to the positions of the four spray headers 65, wherein the specific connection mode of the flowmeter 64 and the throttle valve 68 with the rubber tube I67 is also the prior art, and is not repeated here any more, and the flow of the spray headers 65 is controlled by the effect of the peristaltic pump 62 and the flowmeter 64.

Four shower heads 65 are located model box 10 inside top, and the end of intaking on four shower heads 65 tops installs linking pipeline respectively, four linking pipelines communicate in rubber tube I67 bottom jointly, wherein, linking pipeline can be connected with the shower head 65 that corresponds through the tight mode of screw thread turn round, linking pipeline runs through the equipment fixing hole of reserving on the case apron 50, and the optional ring flange that utilizes 50 tops of case apron is fixed, convenient to detach, the passageway is established to four covers from having in rubber tube I67 bottom, the passageway is established to the cover and rubber tube I67 bottom integrated into one piece preparation, every cover is established the passageway and is tightly taken off the linking pipeline outer wall that corresponds, and can tie up linking department tightly with the help of external fastening tool. Water in the water tank I61 is led to the water tank II 63 through a water supply pipeline 66 by a peristaltic pump 62 in the rainfall simulation assembly 60, a throttle valve 68 is opened, the water in the water tank II 63 is sprayed onto a scale plate of the quality monitoring assembly 40 through a rubber tube I67 and four spray heads 65, namely the water is sprayed on a soil sample, the height of a water head is changed by changing the position of the water tank II 63, namely the water pressure is changed, so that the rainfall intensity is changed, certain initial kinetic energy of the water in the rubber tube I67 can be given by certain water pressure, the spray heads 65 are connected and fixed at fixed positions on the box cover plate 50, the spray heads 65 are needle tube type rainfall generators, and the rainfall uniformity is ensured by dense and ordered arrangement.

In some embodiments, the drainage assembly 30 comprises a metal screen 31 and a water collection tank 32, wherein the metal screen 31 is connected to the bottom of the mold box 10, and impurities falling in the water can be filtered by the metal screen 31, so that the probability of blockage of the rubber hose II 33 during the drainage process of the mold box 10 is reduced. Model box 10 lateral wall bottom still communicates there is rubber tube II 33, the bottom is slope form setting in model box 10, and rubber tube II 33 is located the toe of slope department on slope, the height that highly is less than metal filter 31 and model box 10 junction of rubber tube II 33 one end and model box 10 junction, the rubber tube II 33 other end extends to inside the water catch bowl 32, wherein, the bottom sets up certain slope in the model box 10, thereby make things convenient for the water in the model box 10 to discharge to inside the water catch bowl 32 fast through rubber tube II 33.

In some specific embodiments, quality monitoring subassembly 40 specifically sets up to electronic balance, electronic balance's pan of balance surface scribbles the waterproof layer, and is specific, the pan of balance surface is handled through waterproof soil, and electronic balance is used for placing the soil sample, wherein, electronic balance through waterproof soil is handled can reduce electronic balance's pan of balance probability of taking place the corrosion, and electronic balance is purpose-made side direction drainage pan of balance, the upper surface of pan of balance is the pyramid appearance setting, and the inclination is comparatively mild, reduce the probability of soil sample landing, through the observation to the display screen reading of electronic balance own in the experiment, can master the sample mass change in real time, thereby the back calculation obtains the sample moisture content and changes.

In some specific embodiments, the temperature control assembly 20 comprises a temperature sensing probe 21, a temperature controller 22 and six heating bulbs 23, the temperature sensing probe 21 is mounted on the inner wall of the mold box 10, the temperature controller 22 is disposed on the outer side of the mold box 10, the temperature sensing probe 21 is connected to the temperature controller 22 through a lead, the six heating bulbs 23 are respectively mounted on the box cover plate 50, the six heating bulbs 23 are also connected to the temperature controller 22 through electric wires, and the heating range of the six heating bulbs 23 is the enclosed space enclosed by the box cover plate 50, the mold box 10 and the organic glass block, wherein the temperature controller 22 is connected to the heating bulbs 23 and the temperature sensing probe 21, after setting the target temperature range, the temperature controller 22 energizes the heating bulbs 23 to start heating the mold box 10, when the temperature sensing probe 21 recognizes that the temperature in the mold box 10 exceeds the target temperature, the temperature controller 22 automatically de-energizes the heating bulbs 23, when the temperature is lower than the set temperature range, the heating bulb 23 is automatically powered on, and the control of the temperature in the mold box 10 is realized in this way, and it should be further noted that the temperature controller 22 and the flow meter 64 are both connected with an external computer body through wires.

The working principle of the atmospheric damp-heat alternative environment simulation test device for the high liquid limit soil is as follows: preparing an undisturbed soil sample or remolding soil sample, placing the soil sample on a scale disc of the quality monitoring assembly 40, installing the temperature sensing probe 21 on one side of the inner wall of the loading model box 10, then covering the box cover plate 50, setting a required temperature range on the temperature controller 22, the six heating bulbs 23 are electrified, the peristaltic pump 62 is turned on, the proper height of the water tank II 63 is adjusted, adjust the desired rainfall intensity value via flow meter 64, open throttle valve 68, begin simulating rainfall, when the rainfall time reaches a set time, close throttle valve 68, meanwhile, the temperature displayed on the temperature controller 22 is readjusted, the sample dehumidification temperature is set, and when the reading on the display screen of the quality monitoring assembly 40 reaches the reading of the target dehumidification water content, the sample reaches the target moisture content, so that one damp-heat alternation is completed.

It should be noted that the specific model specifications of the temperature sensing probe 21, the temperature controller 22, the heating bulb 23, the metal filter 31, the rubber tube II 33, the peristaltic pump 62, the shower head 65, the rubber tube I67, the throttle valve 68, the digital camera 70, the lighting lamp 80, and the computer body need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.

The power supply and the principle of the temperature sensing probe 21, the temperature controller 22, the heating bulb 23, the peristaltic pump 62, the shower head 65, the throttle valve 68, the digital camera 70 and the lighting fixture 80, and the computer body are clear to those skilled in the art and will not be described in detail herein.

The above embodiments are merely examples of the present application and are 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, improvement and the like 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 (10)

1. The atmospheric damp-heat alternative environment simulation test device for the high liquid limit soil is characterized by comprising a model box (10) and a temperature control assembly (20), wherein a drainage assembly (30) is fixedly connected to the bottom of the model box (10), a quality monitoring assembly (40) is installed on the upper portion of the drainage assembly (30), a box cover plate (50) is further installed at the open position of the top of the model box (10), a rainfall simulation assembly (60) extending to the top of the model box (10) is installed on the box cover plate (50), the spraying direction of the rainfall simulation assembly (60) faces to the upper portion of the quality monitoring assembly (40), a component for heating and sensing temperature of the temperature control assembly (20) is installed inside the model box (10), a component for controlling the temperature of the temperature control assembly (20) is installed outside the model box (10), and a digital camera (70) is also arranged in the middle position of the top in the box cover plate (50).

2. The atmospheric wet-heat alternative environment simulation test device for high liquid limit soil according to claim 1, wherein the rainfall simulation assembly (60) comprises a water tank I (61), a peristaltic pump (62), a water tank II (63), a flow meter (64), a throttle valve (68) and four spray headers (65), a water supply pipeline (66) is communicated between the water tank I (61) and the water tank II (63), the peristaltic pump (62) is fixedly installed on the water supply pipeline (66), and water in the water tank I (61) is pumped into the water tank II (63) through the peristaltic pump (62).

3. The atmospheric damp-heat alternation environment simulation test device for high liquid limit soil according to claim 2, characterized in that a rubber tube I (67) is communicated with the bottom of the water tank II (63), the flow meter (64) and the throttle valve (68) are respectively installed on the rubber tube I (67), the flow meter (64) is arranged close to the water tank II (63), the four spray headers (65) respectively penetrate through the tank cover plate (50) and extend to the interior of the model box (10), the water inlet ends of the top ends of the four spray headers (65) are respectively provided with a connecting pipeline, and the four connecting pipelines are commonly communicated with the bottom end of the rubber tube I (67).

4. The atmospheric wet heat alternation environment simulation test device for high liquid limit soil according to claim 1, wherein the drainage assembly (30) comprises a metal screen (31) and a water collection tank (32), and the metal screen (31) is connected to the bottom inside the model box (10).

5. The atmospheric wet-hot alternating environment simulation test device for high liquid limit soil according to claim 4, characterized in that a rubber tube II (33) is further communicated with the bottom of the side wall of the model box (10), the bottom in the model box (10) is arranged in an inclined slope, the rubber tube II (33) is positioned at the toe of the inclined slope, the height of the joint of one end of the rubber tube II (33) and the model box (10) is lower than the height of the joint of the metal filter screen (31) and the model box (10), and the other end of the rubber tube II (33) extends to the inside of the water collecting tank (32).

6. The atmospheric wet heat alternation environment simulation test device for high liquid limit soil according to claim 1, wherein the mass monitoring assembly (40) is specifically configured as an electronic balance, a scale pan surface of the electronic balance is coated with a waterproof layer, and the electronic balance is used for placing a soil sample.

7. The atmospheric wet heat alternative environment simulation test device for high liquid limit soil according to claim 1, wherein the front side of the model box (10) is also arranged in an open manner, an organic glass block is embedded in the open position of the front side of the model box (10), and self-locking universal wheels are mounted at four corners of the bottom of the model box (10).

8. The atmospheric wet heat alternation environment simulation test device for high liquid limit soil according to claim 7, wherein the temperature control assembly (20) comprises a temperature sensing probe (21), a temperature controller (22) and six heating bulbs (23), the temperature sensing probe (21) is mounted on the inner wall of the model box (10), the temperature controller (22) is arranged outside the model box (10), and the temperature sensing probe (21) is connected with the temperature controller (22) through a lead wire.

9. The atmospheric wet heat alternation environment simulation test device for high liquid limit soil according to claim 8, wherein six heating bulbs (23) are respectively mounted on the box cover plate (50), the six heating bulbs (23) are also in electric connection with the temperature controller (22), and the heating range of the six heating bulbs (23) is a closed space surrounded by the box cover plate (50), the model box (10) and the organic glass block.

10. The atmospheric wet heat alternation environment simulation test device for high liquid limit soil according to claim 1, wherein four lighting lamps (80) are further installed on the inner side surface of the box cover plate (50), and the four lighting lamps (80) are respectively close to four corners of the box cover plate (50).

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