CN209280488U - Combined indoor consolidates boxshear apparatus - Google Patents

Abstract

This application involves the experimental provisions more particularly to a kind of Combined indoor of a kind of measurement soil solidifying coefficient and shearing strength to consolidate boxshear apparatus；It includes frame body, upper shearing cylinder, lower shearing bucket, vertical loading device, lateral loading device, vertical pressure sensor, transverse pressure sensor, displacement sensor and data collection system；The lower end surface of upper shearing cylinder coaxially matches with the upper surface of lower shearing bucket and docks.Due to implementing above-mentioned technical proposal, the application is coaxially matched with lower shearing bucket by upper shearing cylinder and is docked, and vertical loading device pushes upper clamp device and carries out the measurement of the soil sample coefficient of consolidation；Thrust is applied to lower shearing bucket by lateral loading device again, the sample that can be completed to consolidation directly carries out shearing test；The application can be continuously finished the measurement of different type soil solidifying coefficient and shearing strength, improve accuracy and reduce waste of time that experiment is completed, various unfavorable factors during test can be effectively reduced, thus the accuracy of guarantee test.

Description

Combined indoor consolidates boxshear apparatus

Technical field

This application involves a kind of experimental provisions more particularly to a kind of combined type for measuring soil solidifying coefficient and shearing strength Indoor consolidation boxshear apparatus.

Background technique

The coefficient of consolidation of soil is in research soil deformation, the earth pressure at rest of soil-baffling structure, hypogee building enclosure, tunnel Liner structure, stake lateral frictional resistance calculate etc. and to have important role, with the development of urbanization process, underground engineering and Deep-foundation pit engineering gradually increases, and the selection of soil solidifying coefficient magnitude receives more and more attention.

Direct shear test be study Rock And Soil strength characteristics one of conventional mechanical test, be research Rock And Soil shearing-resistance characteristic and The important means of deformation rule, the test results such as shear strength parameter are Analysis of Slope Stability, mining, tunnel, reservoir The important evidence for designing and constructing etc. common geology engineering construction.

It can thus be appreciated that the application of the consolidation and shearing experiment of the different type soil body in ground field is very extensive, but conventional Small-sized direct shear apparatus is measured because that cannot complete the intensity index containing big partial size soil sample, and for existing large direct shear apparatus because of consolidation The accuracy of shear strength is limited with the discontinuity of shearing experiment.

Summary of the invention

The purpose of the application be to propose a kind of pair of different type soil body quickly, it is accurate, continuously measure its coefficient of consolidation Boxshear apparatus is consolidated with the Combined indoor of shear strength parameter.

The application be achieved in that Combined indoor consolidate boxshear apparatus comprising frame body, upper shearing cylinder, lower shearing bucket, Vertical loading device, lateral loading device, vertical pressure sensor, transverse pressure sensor, displacement sensor and data acquisition System；The lower end surface of upper shearing cylinder coaxially matches with the upper surface of lower shearing bucket and docks, and upper shearing cylinder and lower shearing bucket are detachable Be fixed together；Bottom is equipped with the lower clamp device with water absorbing properties in lower shearing bucket bucket, in upper shearing cylinder slidably The upper clamp device being equipped with water absorbing properties；Being equipped on frame body to provide vertical lower pressure in clamp device upper surface upwards Vertical loading device, bucket can be sheared downwards by, which being also equipped on frame body, provides the lateral loading device of radial pressure；Vertical pressure passes Sensor is mounted on clamp device, and upper shearing cylinder inner wall and lower shearing bucket inner wall are separately installed with a transverse pressure sensor, Displacement sensor is mounted on lower shearing bucket outer wall；Vertical pressure sensor, transverse pressure sensor, displacement sensor with number It is connected according to acquisition system.

Further, lower clamp device includes lower part cover board and lower permeable stone, and the bucket bottom of lower shearing bucket is arranged in lower part cover board, The upper surface of lower part cover board is equipped with multiple supporting legs and holds up lower permeable stone by supporting leg；Upper clamp device includes top cover board and upper Water stone, the lower end surface of top cover board are equipped with multiple supporting legs and by supporting leg seat in upper dankness stone upper surface, the upper end of top cover board Face center is equipped with jacking and provides the vertical loading device of vertical lower pressure by jacking carrying, and vertical pressure sensor is mounted on Between jacking and vertical loading device；Measured soil sample is clamped between lower permeable stone and upper dankness stone.

Further, lower permeable stone is equipped with multiple lower longitudinal threading holes, the lower shearing at corresponding lower part cover board leg location The barrel of bucket is equipped with lower lateral threading hole；Top cover board and upper dankness stone are correspondingly provided with the corresponding perforative upper threading of multiple groups matching Hole；Multilayer is divided by the soil sample that lower permeable stone and upper dankness stone clamp and each layer is respectively arranged with a humidity sensor；Laterally Pressure sensor, humidity sensor by pass through upper threading hole or by sequentially passing through lower longitudinal threading hole, lower transverse direction is worn The cable of string holes is connected with data collection system.

Further, the barrel of the leg location of corresponding lower part cover board, lower shearing bucket is equipped with lower air inlet and lower outlet Hole；The axis of lower air inlet and lower production well is located in the same shaft section of lower shearing bucket, the height of lower air inlet be higher than it is lower go out The height of stomata；Top cover board is equipped with longitudinally through enterprising stomata and longitudinally through upper venthole；Enterprising stomata and it is upper go out Stomata is respectively positioned on the edge of top cover board and the axis of enterprising stomata and upper venthole is located at the same shaft section of top cover board It is interior.

It further, further include the heating room being arranged in by frame body；Heating is indoor to be equipped with bellows, blower, heater, temperature control The temperature sensor of device and energy probe wind the temperature inside the box；The arrival end of bellows is connected with blower, and the outlet of bellows passes through pipeline It is connected respectively with enterprising stomata, lower air inlet, the heater being mounted in bellows is connected with temperature regulating device.

Further, frame body include chassis, the counter-force bracket for being mounted on chassis two sides, fixation be suspended on two counter-force brackets On pipe-hanging hook；Rolling row is installed, lower shearing bucket seat is on rolling row on chassis.

It further, further include the hydraulic device storage box being arranged in by frame body；Being fixed under pipe-hanging hook to push up downwards On jacking and provide the axial jack of vertical depressing force；The counter-force bracket of side, which is fixed with, can withstand on lower shearing bucket outer wall simultaneously The radial jack of horizontal thrust is provided, the counter-force bracket of the other side is fixed with the level that shearing cylinder can be enabled to keep radial positioning Fixed frame；Axial jack, radial jack pass through piping connection to hydraulic device storage box respectively.

Further, the equal Corresponding matching of internal-and external diameter of upper shearing cylinder and lower shearing bucket；The bottom of upper shearing cylinder is evenly equipped with Iron ear, it is removably solid by bolt that the top of lower shearing bucket is equipped with lower iron ear corresponding with upper iron ear, upper iron ear and lower iron ear It is scheduled on together.

Further, gasket is accompanied between upper shearing cylinder and lower shearing bucket.

Further, a pair of of symmetrical handle that the upper surface of top cover board is connected with convenient for lifting.

Due to implementing above-mentioned technical proposal, the application is coaxially matched with lower shearing bucket by upper shearing cylinder and is docked, soil to be measured Sample is put into lower shearing bucket and upper shearing cylinder, and vertical loading device pushes upper clamp device and carries out the measurement of the soil sample coefficient of consolidation；Lead to again It crosses lateral loading device and thrust is applied to lower shearing bucket, the sample that can be completed to consolidation directly carries out shearing test；The application can It is continuously finished the measurement of different type soil solidifying coefficient and shearing strength, improves accuracy and reduce the time that experiment is completed Waste can effectively reduce various unfavorable factors during test, thus the accuracy of guarantee test；It can also be achieved experimentation The dynamic of middle soil moisture content controls, and can form corresponding data record, can effectively analyze the different coefficients of consolidation pair The shearing strength answered.

Detailed description of the invention

The specific structure of the application is provided by drawings and examples below:

Fig. 1 is the schematic cross-sectional view that heating room, hydraulic device storage box are removed in the application most preferred embodiment；

Fig. 2 is the schematic cross-sectional view of upper shearing cylinder and lower shearing bucket in Fig. 1；

Fig. 3 is the structural schematic diagram for heating room；

Fig. 4 is frame body, heats room, the arrangement schematic diagram that hydraulic device storage box is overlooked；

Fig. 5 is the overlooking structure diagram of top cover board；

Fig. 6 is the present invention looks up structural representation of top cover board；

Fig. 7 is the overlooking structure diagram of upper dankness stone；

Fig. 8 is the connection schematic diagram of data collection system；

Fig. 9 is the stereoscopic schematic diagram of Fig. 1.

Legend: cylinder, 2. lower shearing buckets, 3. vertical pressure sensors, 4. transverse pressure sensors, 5. displacement biographies are sheared on 1. Sensor, 6. data collection systems, 7. lower part cover boards, 8. lower permeable stones, 9. supporting legs, 10. top cover boards, 11. upper dankness stones, 12. Handle, 13. lower lateral threading holes, threading hole on 14., 15. humidity sensors, 16. lower air inlets, 17. lower production wells, on 18. Air inlet, venthole on 19., 20. heating rooms, 21. bellows, 22. blowers, 23. heaters, 24. temperature regulating devices, 25. temperature pass Sensor, 26. chassis, 27. counter-force brackets, 28. pipe-hanging hooks, 29. rolling rows, 30. hydraulic device storage boxes, 31. axial jack, 32. radial jack, 33. horizontal fixed frames, iron ear on 34., 35. lower iron ears, 36. jackings.

Specific embodiment

The application is not limited by following embodiments, can be determined according to the technical solution of the application and actual conditions specific Embodiment.

As shown in Figure 1 to 9, Combined indoor consolidation boxshear apparatus includes frame body, upper shearing cylinder 1, lower shearing bucket 2, vertically adds Carry set, lateral loading device, vertical pressure sensor 3, transverse pressure sensor 4, displacement sensor 5 and data collection system 6；The lower end surface of upper shearing cylinder 1 coaxially matches with the upper surface of lower shearing bucket 2 and docks, and upper shearing cylinder 1 and lower shearing bucket 2 are detachable Be fixed together；Bottom is equipped with the lower clamp device with water absorbing properties in lower 2 barrels of bucket of shearing, can slide in upper shearing cylinder 1 The dynamic upper clamp device being equipped with water absorbing properties；Being equipped on frame body to provide lower pressure vertically in clamp device upper surface upwards Vertical loading device, bucket 2 can be sheared downwards by, which being also equipped on frame body, provides the lateral loading device of radial pressure；Vertical pressure Sensor 3 is mounted on clamp device, and upper 1 inner wall of shearing cylinder and lower 2 inner wall of shearing bucket are separately installed with a transverse pressure and pass Sensor 4, displacement sensor 5 are mounted on lower 2 outer wall of shearing bucket；Vertical pressure sensor 3, transverse pressure sensor 4, displacement pass Sensor 5 is connected with data collection system 6.

When work, first upper shearing cylinder 1 is butted against and fixed with coaxial match of lower shearing bucket 2, is then laid with lower clamp device, puts Soil sample to be measured enters lower shearing bucket 2 in upper shearing cylinder 1, re-lays clamp device；Upper clamp device is pushed by vertical loading device Carry out the measurement of the soil sample coefficient of consolidation；Thrust is applied to lower shearing bucket 2 by lateral loading device again, the sample that can be completed to consolidation Directly carry out shearing test；The application can be continuously finished the measurement of different type soil solidifying coefficient and shearing strength, improve real It tests the accuracy of completion and reduces waste of time, various unfavorable factors during test can be effectively reduced, to guarantee to try The accuracy tested.

The outer diameter of upper shearing cylinder 1 and lower shearing bucket 2 is chosen as 25cm, and whole height can be 35cm after the two docking, above cut Cutting 1 height of cylinder is 20cm, and the height of lower shearing bucket 2 is 15cm, and wall thickness can be 2cm.The soil sample height for being put into test is at least 15cm, preferably in 17cm or more, 30cm convenient for vertical pressure sensor 3 hereinafter, press downwards, convenient for upper clamp device to moving down It is dynamic, accuracy when convenient for shearing test.Vertical pressure sensor 3 can detect soil sample longitudinal stress, 4 energy of transverse pressure sensor The soil sample sheared in cylinder 1 and lower shearing bucket 2 in detection is lateral stressed.

As shown in Figure 1 to 9, lower clamp device includes lower part cover board 7 and lower permeable stone 8, and lower part cover board 7 is arranged in lower shearing bucket 2 bucket bottom, the upper surface of lower part cover board 7 are equipped with multiple supporting legs 9 and hold up lower permeable stone 8 by supporting leg 9；Upper clamp device includes upper Portion's cover board 10 and upper dankness stone 11, the lower end surface of top cover board 10 are equipped with multiple supporting legs 9 and by supporting leg 9 in upper dankness stone 11 Upper surface, the upper surface center of top cover board 10, which is equipped with jacking 36 and passes through vertical the vertical of lower pressure of the carrying offer of jacking 36, to be added It carries and sets, vertical pressure sensor 3 is mounted between jacking 36 and vertical loading device；Measured soil sample is clamped in lower permeable stone Between 8 and upper dankness stone 11.

The thickness of lower permeable stone 8 and upper dankness stone 11 can be 1.5cm, diameter 21cm；Soil sample moisture is tested convenient for absorbing, The humidity of adjustable test soil sample.Lower part cover board 7, top cover board 10 thickness can be 1cm, diameter can be 21cm, be respectively and fixedly provided with Nine supporting legs 9,9 length of supporting leg can be 1.5cm, and diameter can be 1cm, and distribution mode can be for along a diameter line uniformly distributed three It is a, then remaining six are arranged symmetrically with this diameter line.

As shown in Figure 1 to 9, lower permeable stone 8 is equipped with multiple lower longitudinal threading holes, corresponds at 7 supporting leg of lower part cover board, 9 position The barrel of lower shearing bucket 2 is equipped with lower lateral threading hole 13；Top cover board 10 and upper dankness stone 11 are correspondingly provided with multiple groups matching pair Answer perforative upper threading hole 14；Multilayer is divided into the soil sample that upper dankness stone 11 clamps by lower permeable stone 8 and each layer is respectively arranged with One humidity sensor 15；Transverse pressure sensor 4, humidity sensor 15 by pass through upper threading hole 14 or by successively Cable across lower longitudinal threading hole, lower lateral threading hole 13 is connected with data collection system 6.

The quantity of lower longitudinal direction threading hole can be four, and string holes diameter is 0.2cm；The quantity of upper threading hole 14 can be four, String holes diameter is 0.2cm.

As shown in Figure 1 to 9, the barrel of 9 position of supporting leg of corresponding lower part cover board 7, lower shearing bucket 2 is equipped with lower air inlet 16 With lower production well 17；The axis of lower air inlet 16 and lower production well 17 is located in the same shaft section of lower shearing bucket 2, lower air inlet 16 height is higher than the height of lower production well 17；Top cover board 10 is equipped with longitudinally through enterprising stomata 18 and longitudinally through upper Venthole 19；Enterprising stomata 18 and upper venthole 19 are respectively positioned on the edge of top cover board 10 and enterprising stomata 18 and upper venthole 19 axis is located in the same shaft section of top cover board 10.It can utilize to the greatest extent in this way and enter lower air inlet 16 or enterprising The air-flow of stomata 18, takes away moisture, achievees the purpose that quickly to adjust humidity.

Lower air inlet 16 and lower production well 17, which can be sheared downwards, extends 2cm on the outside of 2 barrel of bucket；Enterprising stomata 18 and upper outlet Hole 19 can upwardly extend 2cm.

As shown in Fig. 2,3,9, it further includes the heating room 20 being arranged in by frame body that Combined indoor, which consolidates boxshear apparatus,；Heat room Bellows 21, blower 22, heater 23, temperature regulating device 24 and the temperature sensor 25 that temperature in bellows 21 can be detected are equipped in 20； The arrival end of bellows 21 is connected with blower 22, the outlets of bellows 21 by pipeline respectively with enterprising stomata 18,16 phase of lower air inlet Connection, the heater 23 being mounted in bellows 21 are connected with temperature regulating device 24.

Consolidation is completed, and enterprising stomata 18, lower air inlet 16 are connected with the outlet of bellows 21 by pipeline, passed according to temperature The reading of sensor 25 adjusts temperature regulating device 24, is taken out of the partial moisture of lower permeable stone 8 and upper dankness stone 11 using thermal current, under Moisture in permeable stone 8 and the meeting automatic absorption soil sample to be measured of upper dankness stone 11；The humidity that each layer of soil sample is embedded in during this passes 15 real-time monitoring soil sample humidity of sensor manually or automatically enables heater 23 stop working when reaching direct shear test preset value.

The stepwise disposal that different moisture content can be carried out to the sample after installation, caused by capable of effectively avoiding sample from dismantling repeatedly Interference, can enable soil moisture content in experimentation obtains dynamic control, compresses supplemented with indoor geotechnical engineering experiment in consolidation With the blank in shearing Study on Integration field；It has great application prospect, for example the slope instability in Heavy Rainfall Process destroys feelings Condition.Thus experimental technique defect and deficiency can be made up over, it can be to the water-rock interaction under more gradients to rock mechanical property Affecting laws, consolidation process variation and the variation of shearing strength are more fully studied.

As shown in Fig. 1 to 4,9, frame body include chassis 26, the counter-force bracket 27 for being mounted on 26 two sides of chassis, fixation be suspended on Pipe-hanging hook 28 on two counter-force brackets 27；Rolling row 29 is installed, 2, lower shearing bucket on rolling row 29 on chassis 26.

As shown in Fig. 2,3,9, it further includes the hydraulic device storage box being arranged in by frame body that Combined indoor, which consolidates boxshear apparatus, 30；The axial jack 31 of vertical depressing force can be withstood on downwards on jacking 36 and provide by being fixed under pipe-hanging hook 28；Side Counter-force bracket 27, which is fixed with, can withstand on lower shearing 2 outer wall of bucket and provide the radial jack 32 of horizontal thrust, the counter-force of the other side Bracket 27 is fixed with the horizontal fixed frame 33 that shearing cylinder 1 can be enabled to keep radial positioning；Axial jack 31, radial jack 32 Pass through piping connection to hydraulic device storage box 30 respectively.Be equipped in hydraulic device storage box 30 power original part, control original part and Assist original part.

As shown in Figure 1 to 9, the equal Corresponding matching of internal-and external diameter of upper shearing cylinder 1 and lower shearing bucket 2；The bottom of upper shearing cylinder 1 is equal It is furnished with iron ear 34, the top of lower shearing bucket 2 is equipped with lower iron ear 35 corresponding with upper iron ear 34, and upper iron ear 34 and lower iron ear 35 are logical Bolt is crossed to be detachably mounted to together.

Upper iron ear 34, lower 35 shape of iron ear are consistent, can be from wide 30cm, the cutting of long 35cm rectangular steel plates, with rectangle steel The center of plate is that the border circular areas that radius is 12.5cm is cut in the center of circle, then beats bolt hole on remaining material；Finally distinguish It is welded on 2 top of shearing 1 bottom of cylinder and lower shearing bucket.

Gasket is accompanied between upper shearing cylinder 1 and lower shearing bucket 2.

As shown in Figure 1 to 9, a pair of of symmetrical handle 12 that the upper surface of top cover board 10 is connected with convenient for lifting.

The operating procedure of the application most preferred embodiment:

Step 1: preparing uniform soil sample, the different type soil body presses specified grading uniform mixing, is placed in specified container It is spare；

It is connected step 2: upper shearing cylinder 1, lower shearing bucket 2 are bolted docking, 2, lower shearing bucket in rolling row 29 On；Lower part cover board 7 and lower permeable stone 8 are sequentially placed into lower shearing bucket 2, then shear cylinder 1, the lower transverse direction for shearing 2 inner wall of bucket for upper Pressure sensor 4 is attached to corresponding position, is then layered spare soil sample and is added in shear box, one layer of sample of every paving is accordingly placed One humidity sensor 15, specimen height is routed to require height after by upper dankness stone 11 and top cover board 10 be sequentially placed into and will The harness of each sensor passes through upper threading hole 14 or sequentially passes through lower longitudinal threading hole, lower lateral threading hole 13, and retains Corresponding surplus length；

Step 3: first laid vertical pressure sensor 3 in the jacking 36 on top cover board 10, then by top cover board 10 On jacking 36 be placed in the center of axial jack 31, then enable shearing cylinder 1 be close to horizontal fixed frame 33 formed it is radially fixed Effect, and it is saturated sample, enable all transverse pressure sensors 4 laid, vertical pressure sensor 3, humidity sensor 15 It is connected with data collecting instrument；

Step 4: applying the precompression of 5kPa-10kPa with axial jack 31, make to contact between sample and each portion of instrument Well, adjustment displacement sensor 5 arrives zero point or initial reading；

Step 5: applying each stage pressure, pressure rating is generally 100kPa, 200kPa, 400kPa, 800kPa, 1600kPa, 3200kPa, afterbody pressure should fully consider the application environment of institute's test specimens, soil typically greater than where sample Layer actual pressure 100kPa-200kPa；

Step 6: enterprising stomata 18, lower air inlet 16 are connected with the outlet of bellows 21, after the completion of consolidation according to temperature Temperature regulating device 24 is adjusted in the reading of sensor 25, and air is heated to being blown into after limiting temperature using blower 22, excludes The part water that 9 gap of supporting leg and upper dankness stone 11, lower permeable stone 8 adsorb, the humidity that each layer of soil sample is embedded in during this pass 15 real-time monitoring soil sample humidity of sensor manually or automatically enables heater 23 stop working when reaching direct shear test preset value；

Step 7: carry out the direct shear test of sample after completing the preset value of water content, shed on fixed shearing cylinder and The bolt of lower shearing bucket；Predetermined vertical direction axial compressive force is applied by axial jack 31 first, to vertical pressure sensor 3 When numerical stability, shear stress is slowly then applied by radial very heavy 32 top, shear stress size should be gradually increased, finally Until sample destroys, test process terminates, axial compressive force, shear stress and the sample relative displacement that overall process record applies Rule between data is carried out induction and conclusion by data collecting instrument by size；

By testing above, soil sample can be measured simultaneously in stress vertically and horizontally, calculates the soil body The coefficient of consolidation, the data that multiple groups sensor is read are more accurate, can also more accurately obtain the shearing strength of the soil body, have behaviour The features such as work is simple, and testing precision is high, and error is small.

Operating process increases vertical pressure step 5: as it needs to be determined that when precosolidation pressure near earlier consolidation stress Power classification, the pressure of application, which should reach, makes the e-1gp curve lower section of sample in longer straightway；For saturated soil, tested Water in journey in sink should be able to submerge sample, when needing to measure the coefficient of consolidation to cement coarse-grained soil, then apply every first class pressure Afterwards, by the variation of following time sequencing survey note specimen height: 0.1,0.25,1,2.25,4,6.25,9,12.25,16,20, 20.25,25,30.25,36,42.25,60min, note hereafter is surveyed 1 time every 1h, until primary consolidation is completed, or is extended to for 24 hours.

Herein, "upper", "lower", "front", "rear", "left", "right" etc. are only used for indicating opposite between relevant portion Positional relationship, and the absolute position of these non-limiting relevant portions.

The above technical characteristic constitutes the most preferred embodiment of the application, with stronger adaptability and best implementation effect Fruit can increase and decrease inessential technical characteristic according to actual needs, to meet the needs of different situations.

Claims (10)

1. a kind of Combined indoor consolidates boxshear apparatus, it is characterised in that: including frame body, upper shearing cylinder, lower shearing bucket, vertical load Device, lateral loading device, vertical pressure sensor, transverse pressure sensor, displacement sensor and data collection system；On cut The lower end surface for cutting cylinder is coaxially matched with the upper surface of lower shearing bucket docks, and upper shearing cylinder is removably fixedly connected with lower shearing bucket Together；Bottom is equipped with the lower clamp device with water absorbing properties in lower shearing bucket bucket, is slidably equipped with tool in upper shearing cylinder There is the upper clamp device of water absorbing properties；Being equipped on frame body to provide the vertical load dress of vertical lower pressure in clamp device upper surface upwards It sets, bucket can be sheared downwards by, which being also equipped on frame body, provides the lateral loading device of radial pressure；Vertical pressure sensor is mounted on On upper clamp device, upper shearing cylinder inner wall and lower shearing bucket inner wall are separately installed with a transverse pressure sensor, displacement sensor It is mounted on lower shearing bucket outer wall；Vertical pressure sensor, transverse pressure sensor, displacement sensor are and data collection system It is connected.

2. Combined indoor according to claim 1 consolidates boxshear apparatus, it is characterised in that: lower clamp device includes lower part cover board With lower permeable stone, the bucket bottom of lower shearing bucket is arranged in lower part cover board, and the upper surface of lower part cover board is equipped with multiple supporting legs and passes through branch Leg support removes permeable stone；Upper clamp device includes top cover board and upper dankness stone, and the lower end surface of top cover board is equipped with multiple supporting legs simultaneously By supporting leg seat in upper dankness stone upper surface, the upper surface center of top cover board is equipped with jacking and is provided vertically by jacking carrying The vertical loading device of lower pressure, vertical pressure sensor are mounted between jacking and vertical loading device；Measured soil sample folder It holds between lower permeable stone and upper dankness stone.

3. Combined indoor according to claim 2 consolidates boxshear apparatus, it is characterised in that: lower permeable stone is equipped with multiple lower vertical To threading hole, the barrel of the lower shearing bucket at corresponding lower part cover board leg location is equipped with lower lateral threading hole；Top cover board and Upper dankness stone is correspondingly provided with the corresponding perforative upper threading hole of multiple groups matching；It is divided by the soil sample that lower permeable stone is clamped with upper dankness stone Multilayer and each layer are respectively arranged with a humidity sensor；Transverse pressure sensor, humidity sensor are by passing through upper threading hole Or the cable by sequentially passing through lower longitudinal threading hole, lower lateral threading hole be connected with data collection system.

4. Combined indoor according to claim 2 or 3 consolidates boxshear apparatus, it is characterised in that: the branch of corresponding lower part cover board The barrel of leg position, lower shearing bucket is equipped with lower air inlet and lower production well；Under the axis of lower air inlet and lower production well is located at In the same shaft section for shearing bucket, the height of lower air inlet is higher than the height of lower production well；Top cover board is equipped with longitudinally through Enterprising stomata and longitudinally through upper venthole；Enterprising stomata and upper venthole are respectively positioned on edge and the upper air of top cover board The axis of hole and upper venthole is located in the same shaft section of top cover board.

5. Combined indoor according to claim 4 consolidates boxshear apparatus, it is characterised in that: further include being arranged in by frame body Heat room；The indoor temperature sensor for being equipped with bellows, blower, heater, temperature regulating device and energy probe wind the temperature inside the box of heating；Wind The arrival end of case is connected with blower, and the outlet of bellows is connected with enterprising stomata, lower air inlet respectively by pipeline, is mounted on wind Heater in case is connected with temperature regulating device.

6. Combined indoor according to claim 1 or 2 or 3 consolidates boxshear apparatus, it is characterised in that: frame body include chassis, It is mounted on counter-force bracket, the fixed pipe-hanging hook being suspended on two counter-force brackets of chassis two sides；Rolling row is installed on chassis, Lower shearing bucket seat is on rolling row.

7. Combined indoor according to claim 6 consolidates boxshear apparatus, it is characterised in that: further include being arranged in by frame body Hydraulic device storage box；The axial jack of vertical depressing force can be withstood on downwards on jacking and provide by being fixed under pipe-hanging hook； The counter-force bracket of side, which is fixed with, can withstand on lower shearing bucket outer wall and provide the radial jack of horizontal thrust, the counter-force of the other side Bracket is fixed with the horizontal fixed frame that shearing cylinder can be enabled to keep radial positioning；Axial jack, radial jack pass through respectively Piping connection is to hydraulic device storage box.

8. Combined indoor according to claim 1 or 2 or 3 consolidates boxshear apparatus, it is characterised in that: above shear cylinder and cut under Cut the equal Corresponding matching of internal-and external diameter of bucket；The bottom of upper shearing cylinder is evenly equipped with iron ear, and the top of lower shearing bucket is equipped with and upper iron ear Corresponding lower iron ear, upper iron ear are detachably mounted to together with lower iron ear by bolt.

9. Combined indoor according to claim 1 or 2 or 3 consolidates boxshear apparatus, it is characterised in that: above shear cylinder and cut under It cuts and accompanies gasket between bucket.

10. Combined indoor according to claim 2 or 3 consolidates boxshear apparatus, it is characterised in that: the upper surface of top cover board It is connected with a pair of of symmetrical handle convenient for lifting.