Mother-son model barrel for gravel pile foundation treatment test
By designing a mother-child model barrel for experimental use for gravel pile foundation treatment, the feasibility problem of difficult to verify the foundation treatment method of gravel pile in the existing technology is solved, and effective verification is achieved before the construction of soft soil areas to ensure that The accuracy of the experimental data and the authenticity of the experimental environment.
Patent Information
- Application Number
- CN202421049011.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-15
AI Technical Summary
When engineering construction is carried out in soft soil areas, it is difficult to effectively verify the feasibility of existing gravel pile foundation treatment methods before they are put into use, resulting in irreparable losses during project investment.
A mother-child model barrel for experiments based on the foundation treatment of gravel piles was designed, including a child-child barrel for experiments and a mother-child barrel for experiments. The child barrel has an annular groove, hook, tenon structure and transparent material, and the mother barrel has a universal guide wheel, Segmented design and controllable drainage system are used to simulate real scenarios and record test data.
Through this model barrel, feasibility verification of the foundation treatment of gravel piles can be achieved, the risk of manual handling is reduced, the accuracy of the test data and the sealing of the experimental environment can be ensured, the water environment in the original position of the project can be simulated, and the maneuverability of the test is improved. and convenience.
Smart Images
Figure CN222211855U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of gravel pile foundation treatment, in particular to a mother-and-child model bucket for gravel pile foundation treatment test. Background Art
[0002] There are a large number of soft soil areas in my country, and soft foundation treatment has become an inevitable problem faced by engineering construction. The gravel pile method refers to a method of reinforcing the foundation when building structures such as embankments on soft foundations. Since its introduction into my country, the gravel pile foundation treatment method has achieved good results. The application of related equipment and technology should be subject to certain tests before being put into engineering construction to verify the feasibility of its implementation, so as to avoid irreparable losses caused by errors when the project is put into use. The utility model is to promote related experiments on gravel pile soft soil foundation treatment. Summary of the invention
[0003] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0004] A mother-and-child model barrel for a gravel pile foundation treatment test, comprising a test child barrel and an experimental mother barrel;
[0005] The test sub-barrel includes a sub-barrel body, an annular groove connected to the outer wall of the sub-barrel body top, an annular outer hoop above the annular groove, a hook and a sub-barrel scale arranged on the outer wall of the sub-barrel body, and a tenon structure at the bottom of the sub-barrel body;
[0006] The experimental mother barrel includes a mother barrel body, a universal guide wheel connected to the bottom of the mother barrel body by bolts, a mother barrel scale arranged on the outer wall of the mother barrel body, a drain outlet at the edge of the bottom of the mother barrel body, and a mortise structure at the bottom of the mother barrel body.
[0007] As a further improvement of the present invention, the sub-barrel body, the annular groove, the hook, the tenon structure, the mother barrel body, the drain outlet, and the mortise structure are all made of transparent materials.
[0008] As a further improvement of the present invention, the annular outer hoop can be inserted into the annular groove, and the outer wall of the annular outer hoop is tightly fitted with the inner wall of the annular groove.
[0009] As a further improvement of the present invention, the minimum unit of the sub-barrel scale and the main barrel scale is 1 mm.
[0010] As a further improvement of the present invention, the barrel body of the mother barrel adopts a segmented design, which is divided into detachable upper and lower structures. The upper and lower structures are tightly connected by a snap-fit structure, and the heights of the upper and lower parts are the same.
[0011] As a further improvement of the present invention, the barrel body of the mother barrel adopts a segmented design, which is divided into detachable upper and lower structures. The upper and lower structures are tightly connected by a snap-fit structure, and the heights of the upper and lower parts are the same.
[0012] As a further improvement of the present invention, a valve capable of controlling water outflow is installed at the drain outlet.
[0013] As a further improvement of the present invention, a mother barrel bottom plate is installed at the bottom of the mother barrel body, the universal guide wheel is connected to the mother barrel bottom plate by screws, and a buckle is provided on the universal guide wheel.
[0014] Compared with the prior art, the advantages of the present invention are:
[0015] 1. A hook is set on the outer wall of the sub-barrel body. After the equipment is ready, the sub-barrel body can be transferred maneuverably according to the expected requirements by means of a crane, etc., to avoid the danger of manual handling.
[0016] 2. The sub-bucket scale on the wall of the sub-bucket records the height of the silt soft soil at various times under vacuum preloading conditions during the test, combined with the amount of water discharged during the vacuum preloading process to obtain the degree of silt consolidation under this condition.
[0017] 3. A tenon structure is designed at the bottom of the sub-barrel body to facilitate fixing the position of the sub-barrel body during the test, preventing it from being offset during the experiment due to various factors, affecting the test data recording and the final results.
[0018] 4. The annular groove and hoop of the sub-barrel body are mainly used to fix the geomembrane, making the geotextile and the sub-barrel under the geomembrane a sealed and airtight environment.
[0019] 5. The mother barrel scale on the outer wall of the mother barrel is convenient for real-time monitoring of the water surface position and recording its changes during the experiment.
[0020] 6. The universal guide wheels at the bottom of the barrel can meet the requirements of mobility and convenience of indoor tests.
[0021] 7. The mother barrel body is assembled in sections to achieve disassembly and assembly, which is convenient for storage and the entry and fixation of the sub-barrel body at the beginning of the experiment. It is also convenient for the sub-barrel body to be removed from the mother barrel body as a whole when the sub-barrel body is removed. It is also convenient for cleaning the remaining water in the test equipment after the test.
[0022] 8. In the experiment, the mother barrel body mainly provides a water environment for the child barrel body, so that the experiment can simulate the original environment of the project to the greatest extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of a sub-bucket structure of a sub-model bucket for a gravel pile foundation treatment test;
[0024] Figure 2 It is a schematic diagram of the structure of a mother barrel based on a mother-child model barrel for a gravel pile foundation treatment test;
[0025] Figure 3 A bottom diagram of a mother barrel of a mother-and-child model barrel for a gravel pile foundation treatment test;
[0026] Figure 4 It is a schematic diagram of the connection structure of the outer wall of the mother barrel of a mother-child model barrel for a gravel pile foundation treatment test;
[0027] Figure 5 A schematic diagram of a mother barrel simulating an underwater environment based on a mother-and-child model barrel for a gravel pile foundation treatment test;
[0028] The reference numbers in the figure are as follows: 101, test sub-barrel; 201, experimental mother barrel; 1, sub-barrel body; 2, sub-barrel scale; 3, annular groove; 4, annular outer hoop; 5, hook; 6, tenon structure; 7, mother barrel body; 8, mother barrel scale; 9, mortise structure; 10, universal guide wheel; 11, buckle; 12, drain outlet; 13, mother barrel bottom plate; 14, buckle structure; 15, valve. DETAILED DESCRIPTION
[0029] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments or drawings are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0030] like Figure 1-5 As shown, a mother-and-child model barrel for a gravel pile foundation treatment test according to an embodiment of the utility model comprises a test child barrel 101 and an experimental mother barrel 201 .
[0031] The test sub-barrel 101 comprises a sub-barrel body 1, an annular groove 3 connected to the outer wall of the top of the sub-barrel body 1, an annular outer hoop 4 above the annular groove 3, wherein the annular outer hoop 4 can be inserted into the annular groove 3, the outer wall of the annular outer hoop 4 is tightly fitted with the inner wall of the annular groove 3, and the upper part of the geomembrane can be fixed between the annular outer hoop 4 and the annular groove 3; a hook 5 and a sub-barrel scale 2 are arranged on the outer wall of the sub-barrel body 1, and a tenon structure 6 at the bottom of the sub-barrel body 1;
[0032] The experimental mother barrel 201 includes a mother barrel body 7, a mother barrel scale 8 arranged on the outer wall of the mother barrel body 7, and the mother barrel body 7 adopts a segmented design, which is divided into a detachable upper and lower structure, and the upper and lower structures are tightly connected by a snap-fit structure 14, and the upper and lower parts have the same height;
[0033] It also includes a universal guide wheel 10 connected to the bottom of the mother barrel body 7 by bolts, a mother barrel bottom plate 13 is installed at the bottom of the mother barrel body 7, the universal guide wheel 10 is connected to the mother barrel bottom plate 13 by screws, a buckle 11 is provided on the universal guide wheel 10, and a mortise structure 9 at the bottom of the mother barrel body 7;
[0034] The minimum unit of the sub-barrel scale 2 and the main barrel scale 8 is 1mm, which is convenient for reading;
[0035] In the experiment, water needs to be added to the mother barrel to simulate the underwater environment. A valve 15 with controllable water outlet is installed at the drain outlet 12, and no leakage will occur in the closed state.
[0036] The sub-barrel body 1, the annular groove 3, the hook 5, the tenon structure 6, the mother barrel body 7, the drain outlet 12, and the mortise structure 9 are all made of transparent materials.
[0037] In order to facilitate the understanding of the present invention, the following description is given in conjunction with the accompanying drawings during specific use;
[0038] The equipment needs to be cleaned before the test begins to prevent stains on the experimental equipment from affecting the recording of test data. Check the connections of each component to prevent water leakage, air leakage, or even falling apart during the experiment. Move the lower half of the mother barrel body 7 to the expected test position and fix the four universal guide wheels 10. Arrange silt soft soil, gravel piles, drainage boards and various data measurement equipment in the sub-barrel body 1 according to the experimental design plan. After binding the drainage channel and the data transmission line of the measuring equipment, pass it through the pre-cut geotextile and geomembrane, and clip the geotextile and geomembrane into the annular groove 3 around the opening of the sub-barrel body 1. Turn on the vacuum pump and check whether the sub-barrel body 1 is in a sealed condition and whether there are any leaks. After the inspection is completed, connect the hook 5 on the outer wall of the sub-barrel body 1 with a rope, hang the sub-barrel body 1 into the mother barrel body 7, connect the tenon structure 6 and the mortise structure 9 at the bottom of the mother barrel body 7 and the bottom of the sub-barrel, and after checking that it is fixed and stable, connect the upper half of the mother barrel body 7 to the lower half of the mother barrel body 7 through the buckle structure 14, that is, assemble the upper and lower parts of the mother barrel body 7. After checking that the drain port 12 at the bottom of the mother barrel body 7 is in a closed state, inject water into the mother barrel body 7 to the expected test height. Figure 5 As shown, start the experiment. After the experiment, open the valve 15 at the bottom of the mother barrel body 7 to drain the water in the mother barrel body 7. Separate the upper and lower parts of the mother barrel body 7, disconnect the connection between the sub-barrel body 1 and the mother barrel body 7, and use a crane to lift the sub-barrel body 1 from the mother barrel body 7 to process the experimental results. After the data is recorded, dismantle the test equipment, clean the sub-barrel body 1 and the mother barrel body 7, and store them properly after cleaning.
[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present invention fall within the protection scope of the present invention.
Claims
1. A mother-and-child model barrel for gravel pile foundation treatment test, Features: It includes a test sub-barrel (101) and an experimental main barrel (201); The test sub-barrel (101) comprises a sub-barrel body (1), an annular groove (3) connected to the outer wall of the top of the sub-barrel body (1), an annular outer hoop (4) above the annular groove (3), a hook (5) and a sub-barrel scale (2) arranged on the outer wall of the sub-barrel body (1), and a tenon structure (6) at the bottom of the sub-barrel body (1); The experimental mother barrel (201) comprises a mother barrel body (7), a universal guide wheel (10) connected to the bottom of the mother barrel body (7) by bolts, a mother barrel scale (8) arranged on the outer wall of the mother barrel body (7), a drainage port (12) at the edge of the bottom of the mother barrel body (7), and a mortise structure (9) at the bottom of the mother barrel body (7).
2. A mother-and-child model barrel for gravel pile foundation treatment test according to claim 1, Features: The sub-barrel body (1), the annular groove (3), the hook (5), the tenon structure (6), the main barrel body (7), the drain outlet (12), and the mortise structure (9) are all made of transparent materials.
3. The mother-and-child model barrel for gravel pile foundation treatment test according to claim 1, Features: The annular outer hoop (4) can be inserted into the annular groove (3), and the outer wall of the annular outer hoop (4) is tightly fitted with the inner wall of the annular groove (3).
4. The mother-and-child model barrel for gravel pile foundation treatment test according to claim 1, Features: The minimum unit of the sub-barrel scale (2) and the main barrel scale (8) is 1 mm.
5. The mother-and-child model barrel for gravel pile foundation treatment test according to claim 1, Features: The mother barrel body (7) adopts a segmented design and is divided into detachable upper and lower structures. The upper and lower structures are tightly connected by a snap-fit structure (14), and the upper and lower structures have the same height.
6. The mother-and-child model barrel for gravel pile foundation treatment test according to claim 1, Features: A valve (15) capable of controlling water outflow is installed at the drain outlet (12).
7. The mother-and-child model barrel for gravel pile foundation treatment test according to claim 1, Features: A mother barrel bottom plate (13) is installed at the bottom of the mother barrel body (7); the universal guide wheel (10) is connected to the mother barrel bottom plate (13) via screws; and a buckle (11) is provided on the universal guide wheel (10).