CN211122290U - Multifunctional rock soil test model box - Google Patents
Multifunctional rock soil test model box Download PDFInfo
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- CN211122290U CN211122290U CN201921203354.0U CN201921203354U CN211122290U CN 211122290 U CN211122290 U CN 211122290U CN 201921203354 U CN201921203354 U CN 201921203354U CN 211122290 U CN211122290 U CN 211122290U
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Abstract
The utility model discloses a multi-functional ground test model case, including the box that reaction frame and diapire were equipped with the drain valve, a plurality of groups of anti-stand columns are fixed in the contralateral surface of box, and the reaction frame includes crossbeam and stand, is "П" type, and the lateral surface of anti-stand column, the medial surface of stand are equipped with a plurality of bolt holes respectively, and pass through bolt hole fixed connection.
Description
Technical Field
The invention relates to a model box, in particular to a multifunctional test model box which can be applied to various rock tests.
Background
The model test is an important research method of scientific research, and in the model test involving rock soil, water and the like, a model box is usually used to load test soil and water.
The common model box has single function and can only meet the requirement of serving as a container. In a geotechnical structure test, operations such as soil sample preparation, consolidation and the like are required, the structure is generally required to be loaded, the preparation time of the soil sample is long, loading tests are required to be carried out at different positions of the same soil sample, the operations such as positioning and fixing of loading equipment are very complicated, the labor consumption is high, and the test precision cannot be guaranteed.
Therefore, the multifunctional test model box can be used for preparing and solidifying a soil sample, can meet the installation and positioning requirements of various test loading devices, can change different loading point positions, and has great significance for reducing the operation difficulty of a model test and improving the test efficiency.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the multifunctional rock-soil test model box which can realize drainage consolidation of a soil body and meet the loading requirements of different point positions in a test.
In order to achieve the above object, the present invention adopts the following technical solutions:
a multifunctional rock-soil test model box comprises a reaction frame and a box body, wherein the bottom wall of the box body is provided with a drain valve;
a plurality of groups of reverse upright posts are fixed on the opposite side surfaces of the box body,
the reaction frame comprises a cross beam and a vertical column, and is shaped like П;
the outer side surface of the reverse upright post and the inner side surface of the upright post are respectively provided with a plurality of bolt holes and are fixedly connected through the bolt holes.
The side wall of the box body is transparent, and the material of the side wall is preferably glass or transparent acrylic.
The reverse column is H-shaped, and the bolt holes are longitudinally arranged on the outer side or the flange plates on the outer side and the inner side.
At least one end of the cross beam of the reaction frame is connected with the upright post through a flange.
The top edge of the box body is a rectangular pipe, and a plurality of supporting square pipes are arranged between the top edge and the bottom plate.
A plurality of supporting plates are arranged between the bottom of the reverse upright post and the bottom plate of the box body.
And an inverted filter layer is paved inside the box body.
The position of the drain valve is higher than the bottom plate of the box body.
The invention has the advantages that:
according to the multifunctional rock-soil test model box, various types of soil, sand and water can be filled in the box body, so that the soil consolidation process is realized; different loading devices such as a hydraulic oil cylinder and the like can be matched on the reaction frame according to test requirements, or a fixed pulley is arranged to realize weight loading; meanwhile, the plane position and the height of the reaction frame are changed according to different experimental points, so that various experimental requirements can be met.
The invention overcomes the problem that the test devices of all parts in the original rock-soil model test are difficult to coordinate, can meet the test of various rock-soil structures, has complete functions, convenient use and higher flexibility, can save a large amount of manpower and material resources, realizes different test purposes, and has strong practicability and wide applicability.
Drawings
Fig. 1 is a schematic structural diagram of a box body of the present invention.
Fig. 2 is a schematic structural diagram of the reaction frame of the present invention.
Fig. 3 is a schematic view of an application structure of the loading and collecting device of the present invention.
FIG. 4 is a schematic diagram of an application configuration of the vacuum consolidation system of the present invention.
The designations in the drawings have the following meanings: 1. the water drain device comprises a reverse upright post, 2, a box body, 3, a rectangular pipe, 4, a square pipe, 5, bolt holes, 6, a supporting plate, 7, a bottom plate, 8, a water drain valve, 9, a cross beam, 10, a flange, 11 and an upright post.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
A multifunctional rock-soil test model box is composed of a box body 2 and a reaction frame.
The framework of the box body 2 consists of a top edge formed by a bottom plate 7 and a rectangular tube 3, and a plurality of supporting square tubes 4 on the bottom plate 7 and the top edge, and the side wall of the box body 2 is made of transparent glass; the drain valve 8 is arranged on the bottom surface of the side wall and is higher than the bottom plate 7.
A plurality of groups of reverse columns 1 made of H-shaped steel are fixed on the opposite side faces of the box body 2, and a plurality of bolt holes 5 arranged longitudinally are arranged on the outer side and the inner side of the flange plate; a plurality of supporting plates 6 for reinforcing are arranged between the bottom of the reverse upright column 1 and the bottom plate 7 and are triangular.
The reaction frame is in an П shape and consists of a cross beam 9 and a vertical column 11, at least one end of the cross beam 9 is connected with the vertical column 11 through a flange 10, and the inner side surface of the vertical column 11 is provided with a plurality of bolt holes 5 corresponding to the reaction column 1 and fixedly connected through the bolt holes 5.
And laying an inverted filter layer inside the box body 2 according to the test requirement.
When the utility model is used in practice,
before the model test is carried out, firstly, a bottom inverted filter layer is laid according to the test requirement, then, the processed test soil is filled into the box body 2, and meanwhile, the operations such as vibration compaction and the like are carried out until the test soil is filled to the designed depth.
And (3) injecting water into the model box, opening a drain valve 8 at the bottom, connecting a water pipe and keeping the height of a water outlet of the water pipe lower than the bottom of the model box so as to enable the test soil to be drained and solidified.
A loading device (a jack and the like) is arranged on the cross beam 9 of the reaction frame, the reaction frame is hung above the reaction column 1 at the corresponding position according to the position of the test structure, the reaction frame corresponds to the bolt hole 5 of the reaction column 1, and the reaction frame and the reaction column 1 are fixed by using bolts. The test can be performed.
If the height of the loading device needs to be adjusted, the bolts can be detached, the reaction frame bolt holes 5 correspond to the bolt holes 5 in the lower or higher row on the reaction column 1, and the reaction frame bolt holes are fixed again.
If the test point position changes, the reaction frame can be detached and installed on the reaction columns 1 of other groups, and the height of the reaction frame and the position of the loading device can be adjusted.
The reaction frame 1 and the upright post 11 are fixed, and the distance between the upright posts 11 can be adjusted through the flange 10, so that the width of the reaction frame can be conveniently finely adjusted, and the reaction frame is ensured to be smoothly installed.
Example 1
Application of loading and collecting device. As shown in fig. 3, the reference numerals: 13. the device comprises a vertical loading actuator 14, a horizontal loading actuator 15, a laser displacement sensor 16, a control and acquisition system 17 and a movable support.
The cross beam 9 is provided with a vertical loading actuator 13 (which may be a servo cylinder or a servo electric cylinder). The connecting mode of the upper part of the actuator can ensure that the actuator can move randomly along the length direction of the cross beam, and vertical force or displacement loading of the structure is realized.
The inner side of the reverse column 1 is provided with a plurality of rows of bolt holes, a horizontal loading actuator 14 is arranged, the reverse column can be fixed on through bolts, horizontal force or displacement loading of a structure is achieved, and the position can be changed up and down.
The loading actuators are provided with force sensors, and unidirectional vertical loading, unidirectional horizontal loading and vertical horizontal coupling loading of the structure can be realized through the loading actuators in the vertical and horizontal directions.
The loading actuator is provided with a laser displacement sensor 15, and the position of the laser displacement sensor can be finely adjusted, so that the displacement of the structure can be measured in real time.
Control and collection system: has the functions of comprehensive control and acquisition. An actuator controller and an actuator force and displacement signal acquisition system (a force and displacement sensor signal acquisition instrument) are arranged in the device. And a specific sensor signal acquisition module (such as a soil pressure sensor, a pore water pressure sensor and the like which are commonly used in rock and soil tests) can be added according to test requirements, and test data can be integrally acquired.
The acquisition system can store and derive signal values acquired by the sensors, and can output a curve graph of a certain sensor signal through the display in real time.
Example 2
Application of a vacuum consolidation system. As shown in fig. 4, the reference numerals: 18. a reverse filter layer, 19, geotextile, 20, a water storage tank, 21 and a negative pressure pump.
The vacuum consolidation system includes:
the reverse filtration layer 18: is composed of stones or sand and is filled into the bottom of the model box, and the height of the stones or sand is higher than that of the drain valve;
geotextile 19: covering the inverted filter layer to prevent soil from flowing;
the water storage tank 20: the water outlet valve 8 is connected through a water pipe, is fully sealed and is used for storing pumped water;
the negative pressure pump 21: is connected with a water storage tank, and applies negative pressure in the model box through a water outlet pipe.
During vacuum consolidation, a layer of plastic film is covered on the upper part of the model box and is connected with the negative pressure pump, the water storage tank and the model box. And (3) opening the negative pressure pump to apply negative pressure to the mould box, so that water and air in the soil are accelerated to seep downwards, and the effect of accelerating consolidation is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (8)
1. A multifunctional rock-soil test model box is characterized by comprising a reaction frame and a box body, wherein the bottom wall of the box body is provided with a drain valve;
a plurality of groups of reverse upright posts are fixed on the opposite side surfaces of the box body,
the reaction frame comprises a cross beam and a vertical column, and is shaped like П;
the outer side surface of the reverse upright post and the inner side surface of the upright post are respectively provided with a plurality of bolt holes and are fixedly connected through the bolt holes.
2. The multifunctional geotechnical test model box according to claim 1, characterized in that the side wall of the box body is transparent.
3. The multifunctional geotechnical test model box according to claim 1, wherein the reverse columns are H-shaped, and bolt holes are longitudinally formed in the flange plates on the outer side or the outer side and the inner side.
4. The multifunctional geotechnical test model box according to claim 1, wherein at least one end of the cross beam of the reaction frame is connected with the upright post through a flange.
5. The multifunctional geotechnical test model box according to claim 1, characterized in that the top edge of the box body is a rectangular pipe, and a plurality of supporting square pipes are arranged between the top edge and the bottom plate.
6. The multifunctional geotechnical test model box according to claim 1, characterized in that a plurality of support plates are arranged between the bottoms of the reverse columns and the bottom plate of the box body.
7. The multifunctional geotechnical test model box according to claim 1, characterized in that an anti-filtration layer is laid inside the box body.
8. The multifunctional geotechnical test model box according to claim 1, wherein the drain valve is located higher than the bottom plate of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203354.0U CN211122290U (en) | 2019-07-29 | 2019-07-29 | Multifunctional rock soil test model box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203354.0U CN211122290U (en) | 2019-07-29 | 2019-07-29 | Multifunctional rock soil test model box |
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| CN211122290U true CN211122290U (en) | 2020-07-28 |
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| CN201921203354.0U Active CN211122290U (en) | 2019-07-29 | 2019-07-29 | Multifunctional rock soil test model box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470535A (en) * | 2019-07-29 | 2019-11-19 | 中交上海三航科学研究院有限公司 | A kind of multi-functional During Geotechnical Tests model casing |
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2019
- 2019-07-29 CN CN201921203354.0U patent/CN211122290U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470535A (en) * | 2019-07-29 | 2019-11-19 | 中交上海三航科学研究院有限公司 | A kind of multi-functional During Geotechnical Tests model casing |
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