CN113235674A - Pile foundation design method based on geotechnical engineering geological exploration - Google Patents
Pile foundation design method based on geotechnical engineering geological exploration Download PDFInfo
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- CN113235674A CN113235674A CN202110520538.5A CN202110520538A CN113235674A CN 113235674 A CN113235674 A CN 113235674A CN 202110520538 A CN202110520538 A CN 202110520538A CN 113235674 A CN113235674 A CN 113235674A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000004576 sand Substances 0.000 claims abstract description 42
- 239000002689 soil Substances 0.000 claims abstract description 35
- 238000007667 floating Methods 0.000 claims abstract description 26
- 230000009471 action Effects 0.000 claims abstract description 10
- 239000010985 leather Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 17
- 239000003550 marker Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a pile foundation design method based on geotechnical engineering geological exploration, which mainly comprises 5 steps: step 1: through the work of the water pump, step 2: through the work of the servo motor, step 3: collecting soil, and step 4: through the action of the floating ball, step 5: by interception of the water. According to the invention, through the work of the servo motor, the rotating rod can drive the first gear to rotate, so that the second gear meshed and connected with one side of the first gear can drive the connecting plate to move up and down, the sand table can be moved through the movement of the connecting plate, the phenomenon of vibration in the sand table can be conveniently simulated, the pile foundation in the sand table can be conveniently simulated and tested, accurate data can be conveniently obtained, soil in the sand table can flow out through the first through hole through the movement of the sand table, the influence of collapse on the pile foundation can not occur on the soil in the sand table under the condition of vibration, and the pile foundation can be conveniently installed in practical application.
Description
Technical Field
The invention relates to a pile foundation design method based on geotechnical engineering geological exploration, and belongs to the technical field of address exploration.
Background
The geological engineering field is based on natural science and geoscience as theories, engineering problems related to geological survey, general survey and exploration of mineral resources, and geological structure and geological background of major engineering are taken as main objects, geology, geophysical and geochemical technologies, mathematical geological methods, remote sensing technologies, testing technologies, computer technologies and the like are taken as means, the method is a pre-guiding engineering field serving for national economic construction, most of the existing pile foundation design methods based on geotechnical engineering geological survey are designed by drawing on paper, but in practical application, due to the fact that sudden conditions can cause the difference between the pile foundation and the design, the normal use of the pile foundation and the subsequent delay of the whole engineering are influenced.
Disclosure of Invention
The invention aims to solve the problems that the conventional pile foundation design method based on geotechnical engineering geological exploration mostly adopts drawing design on paper, but in practical application, the normal use of the pile foundation and the delay of the subsequent whole engineering are influenced due to the fact that the pile foundation is different from the design due to some sudden situations in reality.
In order to solve the technical problems, the invention provides the following technical scheme: a pile foundation design method based on geotechnical engineering geological exploration mainly comprises 5 steps: step 1: through the work of the water pump, step 2: through the work of the servo motor, step 3: collecting soil, and step 4: through the action of the floating ball, step 5: by interception of the water.
Further, the details of step 1 are as follows: spraying water in the water tank into the sand table through a spray head by the operation of a water pump;
further, the details of step 2 are as follows: through the work of the servo motor, the rotating rod connected with the servo motor drives the gear to rotate, so that the other gear in gear meshing connection drives the plate connected with the gear to move, when the position of the pile foundation moves, whether the pile foundation is affected by vibration at the position of the pile foundation is simulated, accurate data is obtained, and meanwhile, when the pile foundation moves, whether the soil where the pile foundation is located collapses or not is known, and whether the pile foundation is greatly affected or not is known;
further, the details of step 3 are as follows: the lost soil is guided to the interior of the collecting box by the guide of the collecting cover, and the soil in the water is filtered by the filtering screen in the collecting box, so that the second connecting pipe and the guide pipe are prevented from being blocked by the soil, and the work of the spray head is prevented from being influenced;
further, the details of step 4 are as follows: the floating ball drives the mark post to move in the third sliding groove through the third sliding block through the floating force of the floating ball in water, so that the mark post connected with the floating ball moves, the water level in the water tank is known by observing scale marks on the mark post, water can be conveniently added in time, and the influence on the work of a water pump and a spray head is prevented;
further, the details of step 5 are as follows: through the sliding block in the inside removal of sliding tray, the leather plug that the sliding block is connected removes, removes the leather plug to the inside logical groove of water pipe, plugs up logical groove, prevents the phenomenon of water refluence.
Further, the pump model is DC50H, its maximum raise dust is 20 meters, maximum power is 86.4W, maximum flow is 600L/H, the water pump is installed the water pipe, and the water pipe is connected with the bottom of L type pole, and the shower nozzle is also located the bottom of L type pole simultaneously.
Furthermore, the rated rotating speed of the servo motor is 3000r/min, the highest rotating speed of the servo motor is 6000r/min, one gear is in meshed connection with the other gear, and one side of the other gear is connected with a plate.
Furthermore, the filter screen is made of 304 stainless steel, the aperture is 0.04-50mm, the filtering precision is 100-1000um, the wire diameter is 0.01-5mm, and the specification is 1-500 meshes.
Furthermore, the leather plug is made of rubber materials, the through groove of the leather plug is the same as the inner diameter of the leather plug, and the leather plug is connected with the inside of the through groove, so that water can be prevented from flowing.
The invention has the technical effects and advantages that:
1. according to the invention, through the work of the servo motor, the rotating rod can drive the first gear to rotate, so that the second gear meshed and connected with one side of the first gear can drive the connecting plate to move up and down, the sand table can move through the movement of the connecting plate, the phenomenon of vibration in the sand table can be conveniently simulated, the simulation test on the pile foundation in the sand table can be conveniently carried out, accurate data can be conveniently obtained, and the subsequent working efficiency in practice can be improved.
2. According to the invention, through the movement of the sand table, soil in the sand table can flow out through the first through hole, so that the influence on the pile foundation caused by collapse of the soil in the sand table can be conveniently simulated under the condition of vibration of the sand table, and meanwhile, the sand table is moved in the first sliding groove through the first sliding block which is indirectly connected with the sand table, so that the first through hole and the second through hole can be conveniently overlapped, the soil in the sand table can be lost, the pile foundation can be conveniently detected to be greatly influenced under the condition that the soil is lost, and the pile foundation can be conveniently installed in practical application.
3. According to the invention, through the action of the collecting cover, the lost soil is conveniently guided to the inside of the collecting box, through the action of the filter screen in the collecting box, the soil in the water is conveniently filtered, the second connecting pipe and the guide pipe are prevented from being plugged by the soil, the work of the spray head is influenced, meanwhile, the mark post can be driven to move in the third sliding groove through the third sliding block through the floating force of the floating ball in the water, the mark post is convenient to move, the scale marks on the mark post can be observed, the water level in the water tank can be conveniently known, the water can be conveniently added in time, and the influence on the work of the water pump and the spray head is prevented.
4. According to the invention, under the action of the guide pipe, when water in the water tank flows to the inside of the collecting box through the second connecting pipe, the water can push the connecting block to move in the second sliding groove through the second sliding block, so that the rubber plug connected to one side of the connecting block can be conveniently moved to the inside of the hole groove and can be conveniently blocked, the phenomenon that the water in the water tank flows backwards is prevented, the work of the collecting box, the water pump and the spray head is influenced, and the simulation process is influenced to a certain extent.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the interior of the table portion of the present invention;
FIG. 3 is a side elevational schematic view of the first and second gears of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 2;
FIG. 5 is a schematic view of the interior of a portion of the catheter of the present invention;
fig. 6 is a schematic view of the inside of a portion of the tank of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
A pile foundation design method based on geotechnical engineering geological exploration mainly comprises 5 steps: step 1: through the work of the water pump, step 2: through the work of the servo motor, step 3: collecting soil, and step 4: through the action of the floating ball, step 5: by interception of the water.
The details of step 1 are as follows: spraying water in the water tank into the sand table through a spray head by the operation of a water pump;
the overall operation of step 1 is as follows, with reference to the accompanying drawings: the sand table is installed on the top of workstation, and the internally mounted of sand table has the simulation pile foundation, top one side of workstation is connected with L type pole, and the below of workstation installs the water tank, the top of water tank is connected with first connecting pipe, and first connecting pipe passes L type pole and is connected with a plurality of shower nozzles to be connected between the bottom of shower nozzle and L type pole.
The details of step 2 are as follows: through the work of the servo motor, the rotating rod connected with the servo motor drives the gear to rotate, so that the other gear in gear meshing connection drives the plate connected with the gear to move, when the position of the pile foundation moves, whether the pile foundation is affected by vibration at the position of the pile foundation is simulated, accurate data is obtained, and meanwhile, when the pile foundation moves, whether the soil where the pile foundation is located collapses or not is known, and whether the pile foundation is greatly affected or not is known;
the overall operation of step 2 is as follows, with reference to the accompanying drawings: the bottom end of the workbench is connected with a servo motor, one side of the servo motor is connected with a rotating shaft in an embedded mode, one side of the rotating shaft is connected with a rotating rod in a rotating mode, a first gear is arranged on the surface of the rotating rod, one side of the first gear is connected with a second gear in an engaged mode, one side of the second gear is connected with a connecting plate, the bottom end of the sand table is provided with a plurality of first through holes, the top end of the workbench is connected with a circular plate in an embedded mode, the circular plate is connected with the bottom end of the sand table in an opposite mode, the bottom end of the circular plate is provided with a plurality of second through holes, the second through holes are connected with the bottom end of the first through holes in an opposite mode, the bottom end of the circular plate is provided with a collecting cover, the top end of the circular plate is provided with a groove, the top end of the circular plate is connected with a first sliding groove in an embedded mode, two first sliding blocks are movably sleeved inside the first sliding groove, and the top end of the first sliding block is fixedly connected with a sleeve, the inner part of the sleeve is fixedly connected with a return spring, the top end of the return spring is connected with a T-shaped rod, the T-shaped rod is connected with the bottom end of the sand table, the first sliding chute is in a circular embedded connection with the circular plate, the groove is positioned above the first sliding chute, the groove is also in a circular shape, so that when the first sliding block moves in the first sliding chute, the sleeve at the top end of the first sliding block can move in the circular groove, the bottom end of the sand table can be in an embedded connection with a cleaning brush, so that soil clamped between the sand table and the circular plate can be swept into the second through hole, the rotating rod forms a rotating structure through the rotating shaft and the servo motor, the inner diameters of the first through hole and the second through hole are the same, the servo motor can control the speed, the position precision is very accurate, a voltage signal can be converted into a torque and a rotating speed to drive a control object, and the rotating speed of a rotor of the servo motor is controlled by an input signal, and can quickly respond, is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, can convert the received electric signal into angular displacement or angular speed on a motor shaft for outputting, the connecting plate passes through the workbench to be connected with the bottom end of the sand table, the collecting cover is connected with the inner bottom end of the workbench, the connecting plate is movably connected with the workbench and the circular plate, so that the connecting plate can move up and down conveniently, thereby driving the sand table to move by the extension and contraction force of the return spring, the T-shaped rod forms an elastic extension and contraction structure with the sleeve through the return spring, and the sleeve forms a sliding structure through the first sliding block and the first sliding chute, the reset spring is convenient for the sand table to move, simultaneously first slider removes in the inside of first spout, and the sand table of being convenient for removes, is convenient for change the coincidence degree of first through-hole and second through-hole.
Details of step 3 are as follows: the lost soil is guided to the interior of the collecting box by the guide of the collecting cover, and the soil in the water is filtered by the filtering screen in the collecting box, so that the second connecting pipe and the guide pipe are prevented from being blocked by the soil, and the work of the spray head is prevented from being influenced;
the details of step 4 are as follows: the floating ball drives the mark post to move in the third sliding groove through the third sliding block through the floating force of the floating ball in water, so that the mark post connected with the floating ball moves, the water level in the water tank is known by observing scale marks on the mark post, water can be conveniently added in time, and the influence on the work of a water pump and a spray head is prevented;
the details of step 5 are as follows: the sliding block moves in the sliding groove, so that the leather plug connected with the sliding block moves, the leather plug moves into the through groove in the water pipe, the through groove is blocked, and the phenomenon of water backflow is prevented;
the above steps 3, 4 and 5 are performed in the following manner, and refer to the accompanying drawings: the inside of the collecting box is connected with a filter screen, the bottom end of the collecting box is connected with a second connecting pipe, one side of the second connecting pipe is connected with a guide pipe, the inner wall of the guide pipe is fixedly connected with a baffle, one side of the baffle is provided with a hole groove, the upper end and the lower end of the inner wall of the guide pipe are respectively fixedly connected with a second chute, a second sliding block is movably sleeved in the second chute, the bottom end of the second sliding block is connected with a connecting block, one side of the connecting block is fixedly connected with a rubber plug, the guide pipe is connected with one side of a water tank through the second connecting pipe, one side of the inner wall of the water tank is fixedly connected with a third chute, a third sliding block is movably sleeved in the third chute, one side of the third sliding block is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected with a marker post, the bottom end of the marker post is provided with a floating ball, a water pump is arranged in the water tank, and water in the water tank can be conveniently sprayed into the sand table through a spray head, the marker post is movably sleeved with the top end of the water tank, the rubber plug is connected with the inside of the hole groove, scale marks are carved on the surface of the marker post, the movement of the marker post is convenient, the condition of the water level inside the water tank is known, meanwhile, the rubber plug is the same as the inner diameter of the hole groove, the connecting block forms a sliding structure with the second sliding groove through the second sliding block, the second sliding groove is symmetrical about the central axis of the guide pipe, the second sliding block moves inside the second sliding groove, the rubber plug connected with one side of the connecting block is convenient to move inside the hole groove, the collecting box is connected with the bottom end of the workbench, the collecting box is connected with the bottom end of the collecting cover, the collecting cover is convenient to guide the soil and the water to the inside of the collecting box, meanwhile, the filter screen inside the collecting box is convenient to filter the soil in the water, and the connecting rod forms a sliding structure with the third sliding groove through the third sliding block, the floating ball is connected with the bottom end of the water tank in a relative mode, certain floating force exists in the water, and the third sliding block connected with the mark post through the connecting rod is driven to move in the third sliding groove conveniently.
Furthermore, the model of the water pump is DC50H, the maximum dust is 20 meters, the maximum power is 86.4W, the maximum flow is 600L/H, the water pump is provided with a water pipe, the water pipe is connected with the bottom end of the L-shaped rod, and the spray head is also positioned at the bottom end of the L-shaped rod.
Furthermore, the rated rotating speed of the servo motor is 3000r/min, the highest rotating speed of the servo motor is 6000r/min, one gear is in meshed connection with the other gear, and one side of the other gear is connected with a plate.
Furthermore, the filter screen is made of 304 stainless steel, the aperture is 0.04-50mm, the filtering precision is 100-1000um, the wire diameter is 0.01-5mm, and the specification is 1-500 meshes.
Furthermore, the floating ball is made of plastic or light materials, has certain floating force in water and jacks up the marker post.
Furthermore, the leather plug is made of rubber materials, the through groove of the leather plug is the same as the inner diameter of the leather plug, and the leather plug is connected with the inside of the through groove, so that water can be prevented from flowing.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
The working principle of the invention is as follows: when in use, firstly, the water pump works to facilitate the water in the water tank to be sprayed into the sand table through the spray head, the servo motor works to enable the rotating rod to drive the first gear to rotate, so that the second gear meshed and connected with one side of the first gear drives the connecting plate to move up and down, the sand table can move through the movement of the connecting plate, the phenomenon of vibration in the sand table can be conveniently simulated, the pile foundation in the sand table can be conveniently simulated and tested, accurate data can be conveniently obtained, the subsequent working efficiency in practice can be improved, the soil in the sand table can flow out through the first through hole through the movement of the sand table, the soil in the sand table can not collapse to influence the pile foundation under the condition of vibration of the sand table, and meanwhile, the sand table can move in the first chute through the first sliding block indirectly connected with the sand table, the first through hole and the second through hole are convenient to coincide, soil in the sand table can be drained, whether the pile foundation can be greatly influenced or not is convenient to detect under the condition that the soil is drained, the pile foundation can be conveniently installed in practical application, the drained soil can be conveniently guided to the inside of the collecting box under the action of the collecting cover, the soil in water can be conveniently filtered under the action of the filter screen in the collecting box, the second connecting pipe and the guide pipe are prevented from being blocked by the soil, the work of the spray head is influenced, meanwhile, the mark post can be driven to move in the third sliding groove through the third sliding block under the action of the floating force of the floating ball in the water, the mark post can be conveniently moved, the water level in the water tank can be conveniently known by observing the scale marks on the mark post, timely water adding is convenient, the influence on the work of the water pump and the spray head is prevented, when the water in the water tank flows to the inside of the collecting box through the second connecting pipe, water can promote the connecting block and pass through the inside removal of second slider at the second spout, is convenient for remove the rubber buffer that connecting block one side is connected to the inside of hole groove, is convenient for plug it, prevents that the phenomenon of refluence from appearing in the inside water of water tank, influences the work of collecting tank, water pump and shower nozzle to cause certain influence to the simulation process.
The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (6)
1. A pile foundation design method based on geotechnical engineering geological exploration comprises 5 steps: step 1: through the work of the water pump, step 2: through the work of the servo motor, step 3: collecting soil, and step 4: through the action of the floating ball, step 5: by interception of water;
the step 1: spraying water in the water tank into the sand table through a spray head by the operation of a water pump;
the step 2: through the work of the servo motor, the rotating rod connected with the servo motor drives the gear to rotate, the other gear in gear meshing connection drives the plate connected with the gear to move, when the position of the pile foundation moves, whether the pile foundation is affected by vibration at the position of the pile foundation is simulated, accurate data is obtained, and meanwhile, when the pile foundation moves, whether the soil where the pile foundation is located collapses or not is known, and whether the pile foundation is greatly affected or not is judged;
the step 3: the lost soil is guided to the interior of the collecting box by the guide of the collecting cover, and the soil in the water is filtered by the filter screen in the collecting box, so that the second connecting pipe and the guide pipe are prevented from being blocked by the soil to influence the work of the spray head;
the step 4: the floating ball drives the mark post to move in the third sliding groove through the third sliding block through the floating force of the floating ball in water, so that the mark post connected with the floating ball moves, the water level in the water tank is known by observing scale marks on the mark post, water can be conveniently added in time, and the influence on the work of a water pump and a spray head is prevented;
the step 5: through the sliding block in the inside removal of sliding tray, the leather plug that makes the sliding block connect removes, removes the leather plug to the inside logical groove of water pipe, plugs up logical groove, prevents the phenomenon of water refluence.
2. The pile foundation design method based on geotechnical engineering geological survey of claim 1, characterized by comprising the following steps: the model of the water pump is DC50H, and its maximum raise dust is 20 meters, and maximum power is 86.4W, and maximum flow is 600L/H, and the water pipe is installed to the water pump, and the water pipe is connected with the bottom of L type pole, and the shower nozzle also is located the bottom of L type pole simultaneously.
3. The pile foundation design method based on geotechnical engineering geological survey of claim 1, characterized by comprising the following steps: the rated rotating speed of the servo motor is 3000r/min, the highest rotating speed of the servo motor is 6000r/min, one gear is in meshed connection with the other gear, and one side of the other gear is connected with a plate.
4. The pile foundation design method based on geotechnical engineering geological survey of claim 1, characterized by comprising the following steps: the filter screen is made of 304 stainless steel, the aperture is 0.04-50mm, the filtering precision is 100-1000um, the wire diameter is 0.01-5mm, and the specification is 1-500 meshes.
5. The pile foundation design method based on geotechnical engineering geological survey of claim 1, characterized by comprising the following steps: the floating ball is made of plastic or light materials and is used for jacking up the marker post.
6. The pile foundation design method based on geotechnical engineering geological survey of claim 1, characterized by comprising the following steps: the leather plug is made of rubber materials, the through groove of the leather plug is the same as the inner diameter of the leather plug, and the leather plug is connected with the inside of the through groove.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1997043488A1 (en) * | 1996-05-14 | 1997-11-20 | Guoliang Zhang | Method of constructing a pile structure and apparatus thereof |
| CN104563055A (en) * | 2015-01-09 | 2015-04-29 | 辽宁工程技术大学 | Slope protection system simulating tailing dam ecology |
| CN105756108A (en) * | 2016-05-10 | 2016-07-13 | 扬州大学 | Model box for testing vibration isolation performance of piled box foundations |
| CN107907656A (en) * | 2017-11-15 | 2018-04-13 | 南京科兴新材料科技有限公司 | A kind of seepage stress rainfall couples the visual experimental rig of slope instability land movement and test method |
| CN110258667A (en) * | 2019-07-02 | 2019-09-20 | 太原理工大学 | A kind of experimental rig of Collapsible Loess District Long-short Pile Group model |
| CN209641203U (en) * | 2019-01-02 | 2019-11-15 | 钦州学院 | A kind of land management simulation shows sand table |
| CN210606290U (en) * | 2019-07-16 | 2020-05-22 | 董若淇 | Sand table for municipal garden greening planning |
| CN212924596U (en) * | 2020-06-24 | 2021-04-09 | 徐州四方供水设备有限公司 | Oil removal promotes integration equipment |
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2021
- 2021-05-13 CN CN202110520538.5A patent/CN113235674A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997043488A1 (en) * | 1996-05-14 | 1997-11-20 | Guoliang Zhang | Method of constructing a pile structure and apparatus thereof |
| CN104563055A (en) * | 2015-01-09 | 2015-04-29 | 辽宁工程技术大学 | Slope protection system simulating tailing dam ecology |
| CN105756108A (en) * | 2016-05-10 | 2016-07-13 | 扬州大学 | Model box for testing vibration isolation performance of piled box foundations |
| CN107907656A (en) * | 2017-11-15 | 2018-04-13 | 南京科兴新材料科技有限公司 | A kind of seepage stress rainfall couples the visual experimental rig of slope instability land movement and test method |
| CN209641203U (en) * | 2019-01-02 | 2019-11-15 | 钦州学院 | A kind of land management simulation shows sand table |
| CN110258667A (en) * | 2019-07-02 | 2019-09-20 | 太原理工大学 | A kind of experimental rig of Collapsible Loess District Long-short Pile Group model |
| CN210606290U (en) * | 2019-07-16 | 2020-05-22 | 董若淇 | Sand table for municipal garden greening planning |
| CN212924596U (en) * | 2020-06-24 | 2021-04-09 | 徐州四方供水设备有限公司 | Oil removal promotes integration equipment |
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Application publication date: 20210810 |