CN213875172U - Soil body strength test device under different working conditions in two-way seepage state - Google Patents
Soil body strength test device under different working conditions in two-way seepage state Download PDFInfo
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- CN213875172U CN213875172U CN202022793319.8U CN202022793319U CN213875172U CN 213875172 U CN213875172 U CN 213875172U CN 202022793319 U CN202022793319 U CN 202022793319U CN 213875172 U CN213875172 U CN 213875172U
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- 239000002689 soil Substances 0.000 title claims abstract description 59
- 238000012360 testing method Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 75
- 239000010959 steel Substances 0.000 claims description 75
- 238000010008 shearing Methods 0.000 claims description 54
- 239000004575 stone Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000011160 research Methods 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 17
- 230000035699 permeability Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model discloses a soil body strength test device under different working conditions in a bidirectional seepage state, which is characterized in that the device consists of a test platform, a loading main body structure and a frame main body structure; the utility model aims to solve the problems of the actual influence of different seepage paths on the soil body strength, the exploration of landslide states generated by the soil body under different working conditions and the deformation damage law of soil body collapse damage in tunnel construction; the test type can be flexibly changed through the movable water tank, the loading device and the sliding chute, and multiple purposes of a group of devices are realized; the device can be applied to the observation of the particle characteristics in scientific research and the strength characteristic test of foundation pits, dam bodies, tunnels or side slope soil bodies.
Description
Technical Field
The utility model relates to the technical field of geotechnical engineering scientific research tests, in particular to a soil body strength test device with different working conditions in a bidirectional seepage state; the device is suitable for the research on the permeability and strength of various soil bodies in geotechnical engineering construction, can realize different functions by controlling the test conditions of the model, and even can realize the research on the dynamic damage process of the soil body; the tunnel soil collapse stability and landslide under different working conditions can be simulated by externally connecting components such as steel plates, screw rods and the like.
Background
The permeability of soil and the strength of soil body are always the key consideration in the survey design and construction of geotechnical engineering, and the permeability of soil, together with the strength and deformation characteristics of soil, are several important mechanical characteristics studied in soil mechanics. In various fields of geotechnical engineering, many researches and engineering are closely related to the permeability of soil. The prior experimental model device about permeability mainly takes vertical seepage as a main part, and cannot realize the transverse seepage process and the seepage damage process of a soil body in a multidirectional seepage state.
The phenomena of quicksand and piping of soil are extremely unfavorable in engineering, the existing experimental model stays in observation of the phenomena at present, and the change of soil body strength in the process is not observed and analyzed.
The landslide problem of the soil body seriously affects the traffic safety and is also an important problem in the slope management engineering all the time. In the actual construction of the tunnel, the study on the collapse stability deformation law of the tunnel under different conditions is very important, and the progress and the safety of the tunnel construction are directly influenced. Therefore, model research on deformation and damage processes of soil around slopes and tunnels is also significant for practical engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned prior art, and provide a soil body intensity test device of different operating modes under the two-way seepage flow state for solve in the engineering to two-way seepage flow characteristic monitoring and in the experimental not enough of the law of seepage flow in-process shear strength change, also can provide reliable guide suggestion for engineering practice for the model test foundation that the side slope destroys and special geology problem provides equally.
The utility model provides a technical scheme is: the soil body strength test device under different working conditions in the two-way seepage state is characterized by comprising a test platform, a loading main body structure and a frame main body structure;
the test platform comprises an upper side shearing box, a lower side shearing box with a permeable stone placed at the bottom is connected to the lower side of the upper side shearing box, the two sides of the upper side shearing box are respectively connected to the left side box body and the right side box body through fasteners, a rear baffle of the upper side shearing box is connected with a rear side plate fixed on a bottom plate through a pulley, and the upper side shearing box and the lower side shearing box form a middle box body; a frame with a filter screen is inserted between the left box body, the right box body and the middle box body, the box bodies on the two sides slide in a connecting way through a first baffle sliding chute fixed on the bottom plate, a gear transmission is fixed on the upper part of the box bodies, and a water baffle with sawteeth connected by the gear transmission is tightly attached to the box bodies on the two sides; the upper side shearing box is attached with a pressure measuring pipe, the lower side shearing box is attached with a pressure measuring pipe and a water discharging pipe, and the lower parts of the two side boxes of the left side box body and the right side box body are respectively provided with the water discharging pipes;
the loading main body structure comprises a horizontal support, the horizontal support is connected to a steel plate fixed on a bottom plate, one end of a vertical loading device is fixed on the horizontal support through a sliding chute, a loading upper cover plate, a telescopic device, a loading lower cover plate and a pressure sensor are attached to the end head of the other end of the vertical loading device, one end of the loading upper cover plate is connected with the vertical loading device, the other end of the loading upper cover plate is fixedly connected with the loading lower cover plate, and the loading upper cover plate is provided with the pressure sensor and the telescopic device; a water tank with a water inlet pipe is fixed on the horizontal support through a chute; a horizontal loading device is fixed on a loading counterforce steel plate on the bottom plate, and a pressure sensor and a dial indicator are attached to the end of the horizontal loading device;
the bottom of the frame main body structure is divided into a front part and a rear part, one end of the bottom plate is connected with the separable steel plate, the periphery of the separable steel plate is provided with the steel frame, one end of the steel frame is connected with the bottom plate, the other end of the steel frame is connected with the steel plate, the spiral rod is connected to the steel plate and the steel frame, the steel frame is fixedly provided with the vertical rod, and the vertical rod supports the rigid cross beam provided with the small crane; the pulley is established on steel sheet upper portion, and the lower part is connected with the pole setting, is provided with first baffle respectively in steel sheet and bottom plate upper portion both sides, is fixed with the steel sheet on the bottom plate, and the sub-unit connection has the bottom plate support that has the container, fixes to be connected with the water tank through the spout on the horizontal brace that steel sheet upper portion is connected.
Furthermore, an inserting plate with a spring switch is arranged on the frame.
Furthermore, the side surface of the water baffle with the saw teeth is provided with a fixing fastener which is tightly attached to the left box body and the right box body.
Furthermore, the horizontal support is connected with the steel plates on the two sides through sliding grooves, and reinforcing fasteners are arranged on the horizontal support.
Furthermore, a cushion block and a pressure sensor are arranged in front of the horizontal loading device, and a dial indicator is arranged on the cushion block and the pressure sensor.
Furthermore, a fixing device for fixing the lower side shearing box is arranged on the rear baffle plate of the upper side shearing box; one side of the lower side shearing box is connected with a second baffle plate, the angle of the second baffle plate is the same as that of the sliding surface, and the middle position of the second baffle plate is located on the vertical rod.
The utility model has the advantages that:
1. the structure is simple, the required materials are conventional and steel materials, the price is low, and the source is wide;
2. the device is simple to operate and has clear principle; the influence of a seepage path on the soil strength can be simulated, and adverse geological conditions such as tunnel construction soil collapse damage, slope damage and the like can also be simulated;
3. the device is suitable for the research on the permeability and strength of various soil bodies in geotechnical engineering construction, can realize different functions by controlling the test conditions of the model, and even can realize the research on the dynamic damage process of the soil body;
4. the tunnel soil collapse stability and landslide under different working conditions can be simulated by externally connecting components such as a steel plate, a screw rod and the like;
5. the method can be used for quantitative model test, can qualitatively observe the evolution process of unfavorable geological conditions under different working conditions, increases the knowledge of engineering personnel on the stress and deformation rules of the soil body, realizes multiple purposes of a group of equipment, and provides guiding opinions for actual construction.
Drawings
FIG. 1 is a schematic diagram of a vertical loading assembly of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 2-1 is a schematic structural view of the test platform of the present invention;
2-2 is a schematic view of the loading and frame body structure connection of the present invention;
FIG. 3 is a schematic view of the horizontal fixing and loading device of the lower shear box of the present invention;
fig. 4 is a front view of the insert plate of the present invention;
FIG. 5 is a side view of the insert plate of the present invention;
fig. 6 is a schematic diagram of the frame structure of the present invention;
FIG. 7 is an elevation view of the upper shear box slide of the present invention;
FIG. 8 is a side view of the upper shear box slide of the present invention;
fig. 9 is a schematic view of an upper cover plate of the loading device of the present invention;
fig. 10 is a schematic view of a lower cover plate of the loading device of the present invention;
FIG. 11 is a plan view of the bottom plate and the separable steel plates of the present invention;
FIG. 12 is a basic construction diagram of the separable steel plate of the present invention;
fig. 13 is a sectional view of a separable steel plate of the present invention;
figure 14 is the utility model discloses a box preceding curb plate schematic diagram in middle of hoist and mount.
In the figure: 1 left side box, 2 upper side cutting box, 3 lower side cutting box, 4 right side box, 5 frames, 6 filter screens, 7 pressure measuring pipes, 8 permeable stones, 9 pulleys, 10 first baffle plates, 11 water discharging pipes, 15 insertion plates, 16 spring switches, 17 water baffles, 18 gear transmissions, 19 bottom plates, 20 water tanks, 21 water inlet pipes, 22 fasteners, 23 steel plates, 24 horizontal supports, 25 inclined supports, 26 loading counterforce steel plates, 27 horizontal loading devices, 28 pressure sensors, 29 micrometers, 30 vertical loading devices, 31 loading upper cover plates, 32 telescoping devices, 33 loading lower cover plates, 34 containers, 35 fixing devices, 36 reinforcing fasteners, 37 cushion blocks, 38 rear side plates, 39 second baffle plates, 40 upright rods, 41 fixing fasteners, 42 bottom plate supports, 43 screw rods, 44 separable steel plates, 45 steel frames, 46 rigid cross beams and 47 mini cranes.
Detailed Description
For a better understanding and appreciation of the invention, reference will now be made in detail to the following description taken in conjunction with the accompanying drawings.
As shown in fig. 1, 2-1, 2-2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14, the soil body strength test device under different working conditions in a bidirectional seepage state comprises a test platform, a loading main body structure and a frame main body structure;
the test platform comprises an upper side shearing box 2, a lower side shearing box 3 with a permeable stone 8 placed at the bottom is connected to the lower side shearing box 2, and the two sides of the lower side shearing box are respectively connected to the left side box body 1 and the right side box body 4 through fasteners 22; a fixing device 35 for fixing the lower shearing box 3 is arranged on a rear baffle of the upper shearing box 2, one side of the lower shearing box 3 is connected with a baffle 39, the angle is the same as the angle of the sliding surface, and the middle position of the second baffle 39 is positioned on an upright rod 40; connecting a rear baffle of the upper shearing box 2 with a rear side plate 38 fixed on the bottom plate 19 through a pulley 9, wherein the upper shearing box 2 and the lower shearing box 3 form a middle box body; a frame 5 with a filter screen 6 can be inserted between the left box body 1, the right box body 4 and the middle box body, an inserting plate 15 with a spring switch 16 is arranged on the frame 5, the box bodies on the two sides are connected and slide through a first baffle 10 fixed on a bottom plate 19, a gear transmission 18 is fixed on the upper part of the box body, a water baffle 17 with sawteeth connected with the gear transmission 18 is tightly attached to the box bodies on the two sides, and a fixing fastener 41 is arranged on the side surface of the water baffle 17; a pressure measuring pipe 7 is attached to the upper side shearing box 2, a pressure measuring pipe 7 and a water discharging pipe 11 are attached to the lower side shearing box 3, and the water discharging pipes 11 are respectively arranged at the lower parts of the box bodies on the two sides of the left box body 1 and the right box body 4;
the loading main body structure comprises a horizontal support 24, wherein the horizontal support 24 is connected to a steel plate 23 fixed on a bottom plate 19 and is connected with the steel plates 23 on two sides through sliding grooves, an inclined support 25 is connected between the bottom plate 19 and the steel plate 23, and a reinforcing fastener 36 is installed on the horizontal support 24; one end of the vertical loading device 30 is fixed on the horizontal support 24 through a sliding chute, the end head of the other end is attached with a loading upper cover plate 31, a telescopic device 32, a loading lower cover plate 33 and a pressure sensor 28, one end of the loading upper cover plate 31 is connected with the vertical loading device 30, the other end of the loading upper cover plate 31 is fixedly connected with the loading lower cover plate 33, and the pressure sensor 28 and the telescopic device 32 are installed on the loading upper cover plate 31; a water tank 20 with a water inlet pipe 21 is fixed on a horizontal support 24 through a sliding chute; a horizontal loading device 27 is fixed on a loading reaction force steel plate 26 on the bottom plate 19, and a cushion block 37, a pressure sensor 28 and a dial indicator 29 are arranged at the end position of the horizontal loading device 27;
the bottom of the frame main body structure is divided into a front part and a rear part, one end of a bottom plate 19 is connected with a separable steel plate 44, a steel frame 45 is arranged on the periphery of the separable steel plate 44, one end of the steel frame 45 is connected with the bottom plate 19, the other end of the steel frame 45 is connected with the separable steel plate 44, a spiral rod 43 is connected onto the separable steel plate 44 and the steel frame 45, an upright rod 40 is fixed on the steel frame 45, and the upright rod 40 supports a rigid cross beam 46 provided with a small crane 47; the upper part of the separable steel plate 44 is provided with a pulley 9, the lower part is connected with an upright post 40, the two sides of the upper parts of the separable steel plate 44 and the bottom plate 19 are respectively provided with a first baffle plate 10, the bottom plate 19 is fixed with a steel plate 23, the lower part is connected with a bottom plate support 42 with a container 34, and a horizontal support 24 connected with the upper part of the steel plate 23 is fixed with a water tank 20 through a chute.
The utility model discloses a soil body intensity test device of different operating modes under two-way seepage flow state, the following is concrete experimental implementation method step.
1. The test method of the soil body strength test under different working conditions under the vertical seepage path comprises the following steps:
weighing sandy soil, broken stone and water with corresponding mass according to certain water content, gradation and density, mixing, uniformly mixing, and dividing into a plurality of soil body samples as standby samples for comparison test;
filling a sample, placing permeable stones on the lower end of the lower side shearing box, fixing the lower side shearing box by using a fixing device and a loading device, aligning the middle box body up and down, starting layered filling and compacting, and finishing filling when the filling reaches the test height;
testing vertical seepage of a soil body, closing the inserting plates at the two sides, moving the horizontal support to enable the vertical loading device to move right above the middle box body, starting the telescopic device to enable the upper cover plate and the lower cover plate to be tightly attached, starting the vertical loading device to load the soil body, summarizing the loading process that the upper cover plate and the lower cover plate are tightly attached, unloading the telescopic device to enable the upper cover plate and the lower cover plate to be separated when a set pressure value is loaded, moving the horizontal support to enable the water tank to be arranged above the middle box body, delivering water into the middle box body through the water inlet pipe, opening the valve of the upper pressure measuring pipe and the valve of the lower side water drainage pipe in the process, measuring vertical seepage coefficients under different pressure;
after the vertical permeability coefficient test is completed, the lower side shearing box fixing device is unloaded, the horizontal loading device is manually debugged to be in contact with the lower side shearing box, the seepage state is kept, the horizontal loading device is started to perform the shear test, the dynamic change process of the stress and the displacement of the soil body in the seepage state can be measured through the displacement sensor and the pressure sensor, and the penetration test and the strength test can be performed by adjusting the hydraulic gradient through the water baffle with the saw teeth.
2. The test method of the soil body strength test under different working conditions under the transverse seepage path comprises the following steps:
testing a transverse permeability coefficient, loading a sample and loading pressure, wherein the loading process is the same as the operation process of a vertical seepage test, after the two steps are completed, lifting and locking the plugboard to a proper test height through a spring switch in the plugboard, moving a horizontal support to place a water tank above a left box body, opening a water inlet pipe (with a valve), starting to inject water into the left box body, after a period of seepage, enabling the water to flow to a side box body, after a certain height, keeping the liquid level height through adjusting a water baffle with sawteeth, lifting and fixing the two plugboards and the right water baffle at a certain height, and after the flowing water is stable, measuring the transverse permeability coefficient of a soil body with different pressures and different water head differences;
after the transverse permeability coefficient test is completed, the lower side shearing box fixing device is unloaded, the horizontal loading device is manually debugged to be in contact with the lower side shearing box, the seepage state is kept, the horizontal loading device is started to perform the shear test, and the dynamic change process of the stress and the displacement of the soil body in the seepage state can be measured through the displacement sensor and the pressure sensor.
3. Quicksand piping test:
loading a sample, placing permeable stones at the lower end of a lower side shearing box, fixing the lower side shearing box by using a fixing device and a loading device, aligning an intermediate box body up and down, filling to a certain height, moving a horizontal support to enable a vertical loading device to move right above the intermediate box body, starting a telescopic device to enable upper cover plates and lower cover plates to be tightly attached, starting the vertical loading device to load a soil body, enabling the upper cover plates and the lower cover plates to be tightly attached all the time in the loading process, connecting a drain pipe (with a valve) of the lower side shearing box with a water pump after the lower side shearing box is tightly loaded, opening the valve, observing the change of a top pressure sensor, unloading the fixing device when the reading of the pressure sensor changes, starting the loading device to adopt constant-speed rate propulsion, and observing the dynamic change of the shearing strength; and (3) piping test, wherein coarse particles and fine particles are mixed and filled, fine sand particles exist in gaps, the left box body is filled with water, the height of the water surface is kept unchanged, the inserting plate is opened to the height of the sample, the fine sand particles can be observed to move away, and the same shearing test can be carried out to observe the strength change process.
4. Soil body slump test:
loading a sample, wherein the steps are equal to the sample loading procedures of other tests, fixing an upper shearing box and a lower shearing box, loosening a lower shearing box fixing device, starting a horizontal loading device, pushing the integral shearing box fixed up and down to a separable steel plate, and at the joint of the separable steel plate and a bottom plate, because the set heights are different, permeable stones can be left on the bottom plate in the pushing process, soil samples directly act on the separable steel plate, a left box body and a right box body move to the separable steel plate through a pulley duct and first baffle plates of chutes on two sides, and a water tank and a vertical loading device can also slide to the upper part of the separable steel plate through an outer frame; therefore, the separable steel plate can be separated left and right by shaking the screw rod, the lower end of the box body is opened, a soil sample slump condition is formed, the opening size can be changed by the distance from the box body to the steel plate, the seepage mode of the soil sample can be changed by the box body at the upper end and the left and right sides, the soil sample slump process can be observed, and the soil mass slump condition under different pressure can be explored by a vertical loading device or the soil mass slump condition under the influence of different slump hole sizes can be explored by adjusting the distance from the box body to the steel plate and the rotating distance of the screw rod. Finally, the separable steel plate can be used for cleaning soil samples under the condition of full opening.
5. Landslide test:
loading a sample, wherein the steps are equal to the sample loading procedure of other tests, fixing an upper shearing box and a lower shearing box, loosening a fixing device of the lower shearing box, starting a horizontal loading device, pushing the integral shearing box fixed up and down to the edge of a separable steel plate, enabling a water tank and a vertical loading device to slide to the upper part of the separable steel plate through an outer frame, applying pressure through the vertical loading device, enabling the separable steel plate to be separated from left to right by shaking a screw rod, connecting the upper part of the steel frame with a vertical rod through a chute, connecting the chute above the vertical rod with a rigid cross beam, attaching a front side plate of a middle box body buckled with a fastener for hoisting a small crane to a certain height, starting a valve of the water tank to inject water into the soil sample to observe the change of the soil body. Finally, the separable steel plate can be used for cleaning soil samples under the condition of full opening.
It should be understood that technical features not described in detail in the specification belong to the prior art. Although the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many more forms without departing from the spirit and scope of the present invention.
Claims (6)
1. The soil body strength test device under different working conditions in the two-way seepage state is characterized by comprising a test platform, a loading main body structure and a frame main body structure;
the test platform comprises an upper side shearing box (2), wherein the lower side shearing box (3) with the bottom part provided with a permeable stone (8) is connected with the lower side shearing box (2) in a downward connection mode, the two sides of the upper side shearing box (2) are respectively connected with a left side box body (1) and a right side box body (4) through fasteners (22), a rear baffle of the upper side shearing box (2) is connected with a rear side plate (38) fixed on a bottom plate (19) through a pulley (9), and the upper side shearing box (2) and the lower side shearing box (3) form a middle box body; a frame (5) with a filter screen (6) is inserted between the left box body (1), the right box body (4) and the middle box body, the box bodies on the two sides slide in a connecting way through a first baffle (10) fixed on a bottom plate (19), a gear transmission (18) is fixed on the upper part of the box bodies, and a water baffle (17) with sawteeth connected with the gear transmission (18) is tightly attached to the box bodies on the two sides; the upper side shearing box (2) is attached with a pressure measuring pipe (7), the lower side shearing box (3) is attached with the pressure measuring pipe (7) and a water discharging pipe (11), and the lower parts of the two sides of the left side box body (1) and the right side box body (4) are respectively provided with the water discharging pipe (11);
the loading main body structure comprises a horizontal support (24), the horizontal support (24) is connected to a steel plate (23) fixed on a bottom plate (19), one end of a vertical loading device (30) is fixed on the horizontal support (24) through a sliding groove, a loading upper cover plate (31), a telescopic device (32), a loading lower cover plate (33) and a pressure sensor (28) are attached to the end head of the other end of the vertical loading device, one end of the loading upper cover plate (31) is connected with the vertical loading device (30), the other end of the loading upper cover plate is fixedly connected with the loading lower cover plate (33), and the pressure sensor (28) and the telescopic device (32) are arranged on the loading upper cover plate (31); a water tank (20) with a water inlet pipe (21) is fixed on the horizontal support (24) through a sliding chute; a horizontal loading device (27) is fixed on a loading reaction steel plate (26) on a bottom plate (19), and a pressure sensor (28) and a dial indicator (29) are attached to the end position of the horizontal loading device (27);
the bottom of the frame main body structure is divided into a front part and a rear part, one end of a bottom plate (19) is connected with a separable steel plate (44), a steel frame (45) is arranged on the periphery of the separable steel plate (44), one end of the steel frame (45) is connected with the bottom plate (19), the other end of the steel frame is connected with the separable steel plate (44), a screw rod (43) is connected onto the separable steel plate (44) and the steel frame (45), an upright rod (40) is fixed on the steel frame (45), and the upright rod (40) supports a rigid cross beam (46) provided with a small crane (47); the upper part of the separable steel plate (44) is provided with a pulley (9), the lower part of the separable steel plate is connected with an upright rod (40), two sides of the upper parts of the separable steel plate (44) and the bottom plate (19) are respectively provided with a first baffle plate (10), the bottom plate (19) is fixed with a steel plate (23), the lower part of the separable steel plate is connected with a bottom plate support (42) with a container (34), and a horizontal support (24) which is fixed on the upper part of the steel plate (23) and connected with a water tank (20) through a sliding chute.
2. The soil body strength test device under different working conditions in the bidirectional seepage state according to claim 1, wherein the frame (5) is provided with a plug board (15) with a spring switch (48).
3. The soil body strength test device under different working conditions in the bidirectional seepage state according to claim 1, wherein the side surface of the water baffle plate (17) with the saw teeth is provided with a fixing fastener (41) which is tightly attached to the left box body and the right box body.
4. The soil body strength test device under different working conditions in the bidirectional seepage state according to claim 1, wherein the horizontal support (24) is connected with the steel plates (23) on two sides through a sliding groove, and a reinforcing fastener (36) is arranged on the horizontal support (24).
5. The soil body strength test device under different working conditions in the bidirectional seepage state according to claim 1, wherein a cushion block (37) and a pressure sensor (28) are arranged in front of the horizontal loading device (27) and are provided with dial indicators (29).
6. The soil body strength test device under different working conditions in the bidirectional seepage state according to claim 1, wherein a fixing device (35) for fixing the lower shear box (3) is arranged on a rear baffle of the upper shear box (2); one side of the lower shearing box (3) is connected with a second baffle (39), the angle of the second baffle is the same as the angle of the sliding surface, and the middle position of the second baffle (39) is positioned on the vertical rod (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022793319.8U CN213875172U (en) | 2020-11-27 | 2020-11-27 | Soil body strength test device under different working conditions in two-way seepage state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022793319.8U CN213875172U (en) | 2020-11-27 | 2020-11-27 | Soil body strength test device under different working conditions in two-way seepage state |
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| Publication Number | Publication Date |
|---|---|
| CN213875172U true CN213875172U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022793319.8U Expired - Fee Related CN213875172U (en) | 2020-11-27 | 2020-11-27 | Soil body strength test device under different working conditions in two-way seepage state |
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| Country | Link |
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| CN (1) | CN213875172U (en) |
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2020
- 2020-11-27 CN CN202022793319.8U patent/CN213875172U/en not_active Expired - Fee Related
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