CN220154214U - Model water pipe infiltration test device - Google Patents
Model water pipe infiltration test device Download PDFInfo
- Publication number
- CN220154214U CN220154214U CN202320768779.6U CN202320768779U CN220154214U CN 220154214 U CN220154214 U CN 220154214U CN 202320768779 U CN202320768779 U CN 202320768779U CN 220154214 U CN220154214 U CN 220154214U
- Authority
- CN
- China
- Prior art keywords
- water
- model
- pipe
- water pipe
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 230000008595 infiltration Effects 0.000 title claims description 4
- 238000001764 infiltration Methods 0.000 title claims description 4
- 239000002689 soil Substances 0.000 claims abstract description 43
- 230000035515 penetration Effects 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010992 reflux Methods 0.000 claims description 27
- 238000005086 pumping Methods 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005056 compaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a model water pipe penetration test device, belongs to the field of indoor geotechnical test devices, and relates to a penetration test device for simulating leakage of a water pipe, which is mainly used for a penetration test of water penetrating into surrounding soil caused by leakage of a municipal underground water supply pipe. Mainly comprises a water storage tank, a pressure control tank and a soil sample tank. The test device controls the height of the liquid level in the pressure control box by adjusting the position of the pressure regulator, thereby controlling the water pressure in the model water pipe. And through reserving leakage holes on the model water pipe, simulating the model water pipe penetration test under different water pressures and different leakage conditions.
Description
Technical Field
The utility model relates to the field of indoor geotechnical test devices, in particular to a model water pipe water seepage test device.
Background
With the continuous progress of society, urban water supply projects are also continuously developed. By 2020, the urban water supply pipeline in China has a length of about 96.41 kilometers and a water supply popularization rate of about 98.96%. But the leakage rate of the water supply network of China is higher, the leakage rate of the water supply network of China is kept to be more than 14% in 2012-2019, and the leakage rate of the water supply network of China is kept to be 16.99% in 2019. The leakage of the urban water pipe enables tap water to permeate surrounding soil, so that the water content of the soil is increased, even the soil around a pipeline is lost, hollowed-out occurs, the bearing capacity of the soil layer is reduced, and the safety of the road surface and structures on the upper part of the soil is seriously threatened.
The water content of the soil around the municipal water supply pipeline is different due to leakage loss, so that the bearing capacity of the soil layer is uneven, cracks and settlement are caused around part of roads and part of structures, and the safety of trip personnel and urban residents is critical. The current penetration characteristic research mainly aims at improving soil, retaining walls, tunnels and the like, rarely aims at the problem that water penetrates into soil caused by leakage of municipal water supply pipelines, and lacks a test device for simulating leakage-water penetration of the municipal water supply pipelines.
In order to study the problem of water penetration into soil caused by leakage of municipal water supply pipelines and the penetration characteristic of tap water to soil, a reference is provided for municipal water supply pipeline network engineering. Therefore, the utility model provides a model water pipe water seepage test device, which provides help for researching the seepage characteristics and the like.
Disclosure of Invention
The utility model aims to solve the problems of the existing simulation municipal water guide pipeline permeability test device and provides a model water guide pipeline permeability test device.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a model water pipe infiltration test device which characterized in that: the method is characterized in that: a water pump (12) of a water pumping device is arranged in the water storage tank (13) and is in through connection with the pressure control tank (1) through a water guide pipe (401); a pressure regulator (2) and a pore-separating plate (5) are arranged in the pressure control box (1), and the pressure regulator (2) consists of a lifting rod (3) and a reflux hopper (1401); the soil sample box (8) comprises a model water pipe (9) which is respectively connected with the water storage tank (13) and the pressure control box (1) in a penetrating way through a large reflux unit (1402) and a water guide pipe (403).
The water flow is supplied with energy through the water pumping device (12), flows into the pressure control box (1) from the water storage tank (13), and flows back into the water storage tank (13) from the funnel of the reflux funnel (1401) after the liquid level is higher than the reflux funnel (1401). The water in the pressure control box (1) passes through the orifice plate (5) and flows to the soil sample box (8). The water flow flows through the soil sample box (8) and then flows back to the water storage tank (13) through the large reflux device (1402) and the small reflux device (1403).
Preferably, the pressure regulator (2) consists of a reflux funnel (1401), a lifting rod (3) and a corrugated pipe (17), the corrugated pipe (17) can adjust the length, and when the pressure regulator (2) carries out lifting regulation and control on water pressure, the reflux funnel (1401) and a water guide pipe (402) end of a water outlet of the pressure control box (1) are connected at the same time to realize a water guide function; the pressure regulator (2) is fixedly arranged on the corner bracket (18) at the upper part of the side wall of the pressure control box (1) and is movably connected, and the lifting of the reflux hopper (1401) is realized through the fixing and loosening of the upper bolt (19), so that the functions of controlling the height of the liquid level and adjusting the test water pressure are achieved;
preferably, the baffle plate (5) is vertically erected in the pressure control box (1), and one side of the plate surface of the baffle plate is provided with a plurality of holes which are regularly arranged. The water inlet (16) and a plurality of regularly arranged openings of the partition plate (5) are respectively arranged on two sides of the pressure control box (1), and the main function of the water inlet is to enable water flow flowing through the partition plate (5) to tend to be stable, reduce water pressure change and ensure test accuracy.
Preferably, the model water pipe (9) is fixedly connected with the water guide pipe (403) through a water pipe joint (10); the side wall of the model water pipe (9) is provided with a plurality of holes for simulating the damage condition of the municipal water pipe.
Preferably, the left side and the right side of a water guide pipe (403) connected with the soil sample box (8) are respectively provided with a Pitot tube water pressure meter (7) and a Pitot tube flow meter (11) which are respectively used for adjusting water pressure and observing water flow penetration conditions.
Preferably, the water storage tank (13) is connected to the reflux funnel (1401), big backward flow ware (1402) and little backward flow ware (1403), and big backward flow ware (1402) and little backward flow ware (1403) are equipped with permeable stone (15), prevent earth entering water storage tank (13), make water reuse, reduce extravagant.
Compared with the existing penetration test device, the utility model has the beneficial effects that:
the model water pipe (9) can be preset with holes in different directions and different numbers, and can simulate the penetration test of different damage conditions of the municipal water pipe;
the soil sample box (8) and the model water pipe (9) can be simply assembled and disassembled, and are convenient to use;
the model water pipe water seepage test device is made of transparent plastic materials, is easy to obtain and splice, has a simple whole test flow, does not need a large amount of machinery, and has small operation difficulty.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is an elevation view of a model water pipe water seepage test device provided by the utility model;
fig. 2 is a detailed view of the voltage regulator provided by the present utility model;
FIG. 3 is an elevation view of a spacer plate provided by the present utility model;
FIG. 4 is a main elevational view of a model water pipe penetration test provided by the present utility model;
FIG. 5 is a block diagram of a large reflux unit according to the present utility model
FIG. 6 is a perspective view of a soil sample box according to the present utility model
FIG. 7 is an elevation view of a model water pipe and a water pipe joint according to the present utility model
Figure 8 is a schematic view of a water pipe with a model with different openings,
FIG. 9 is a schematic view of various numbers of open-cell molded water pipes provided by the present utility model.
In the figure: 1. a pressure control box; 2. a voltage regulator; 3. a lifting rod; 4. a water pipe; 5. a partition plate; 6. a valve; 7. a pitot tube water pressure gauge; 8. a soil sample box; 9. a model water pipe; 10. a water pipe joint; 11. a pitot tube flow meter; 12. a water pumping device; 13. a water storage tank; 1401. a reflux funnel; 1402. a large reflux; 1403. a small reflux; 15. a permeable stone; 16. a water inlet; 17. a bellows; 18. an angle code; 19. a bolt; 20. a water tap.
Detailed Description
The utility model will be described in further detail with reference to the following detailed description and with reference to the accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the utility model or its applications.
The embodiment discloses a penetration test device capable of controlling liquid pressure.
As shown in fig. 1, the penetration test device capable of controlling the liquid pressure comprises a water storage tank (13), a pressure control box (1) and a soil sample box (8), and is characterized in that: a water pumping device (12) is arranged in the water storage tank (13) and is in through connection with the pressure control tank (1) through a water guide pipe (401); a pressure regulator (2) and a pore-separating plate (5) are arranged in the pressure control box (1), and the pressure regulator (2) consists of a lifting rod (3) and a reflux hopper (1401); the soil sample box (8) comprises a model water pipe (9) which is respectively connected with the water storage tank (13) and the pressure control box (1) in a penetrating way through a large reflux unit (1402) and a water guide pipe (403).
In terms of materials, a water storage tank (13), a pressure control tank (1), a soil sample tank (8), a water pipe (6), a baffle plate (5), an angle code (18) and a reflux device (14) are made of transparent plastic materials; the model water pipe (9) is made of materials according to the test requirement; the water storage tank (13) and the pressure control box (1) are square containers formed by splicing transparent plastic plates, and the upper part of the pressure control box (1) is kept open; the soil sample box (8) is a cylinder made of transparent plastic material and hollow in the middle; the water pipe joint (10) comprises a bolt and an iron pipe, and the connection of the model water pipe (9) and the water pipe (403) is realized by tightening the bolt to enable the lower iron pipe to bear pressure and shrink, thereby realizing the fixation and connection of the model water pipe (9) and the water pipe (403).
The aspect of the connection mode is as follows: for the connection of transparent plastic materials, bonding the joints by using strong resin; the water pipe (4) is connected with the water storage tank (13) and the pressure control box (1), firstly, proper holes are formed in the transparent plastic plate, then the water pipe (9) is connected into the holes, and then the joints are bonded by using strong resin. And (3) performing water leakage prevention treatment on the joint.
The partition plate (5) has a plurality of regularly arranged openings, the openings are arranged on the left side (right side) of the partition plate (5) and account for 1/3 of the whole plate, the openings are circles with the diameter of 10mm, and the distance between the openings is 20mm (the distance between circle centers).
The operation steps of the penetration test device capable of controlling the liquid pressure are characterized in that: a pressure regulator (2), a soil sample box (8) and a model water pipe (9); the operation method comprises the following steps:
s1, presetting a water pressure value in a model water pipe (9) so as to determine the height of a reflux funnel (1401);
s2, loosening a bolt, operating a lifting rod (3), and after the reflux hopper (1401) is controlled to reach the height, fixing a pressure regulator (2) by a citrate tightening bolt (19);
s3, opening a valve II and a valve III, and connecting a water pumping device (12) with a power supply (the valve numbers are sequenced from top to bottom);
s4, when the water surface reaches a preset height, opening a valve I, a water tap (20), a Pitot tube flow meter and a Pitot tube water pressure meter;
s5, closing all valves (6), disconnecting the power supply of the water pumping device (12), disassembling the model water pipe (9) and the soil sample box (8), filling the soil sample into the soil sample box (8) and reserving a penetration hole in the model water pipe (9);
s6, placing water absorbing paper on the permeable stone (15), and installing a model water pipe (9) and a soil sample box (8);
s7, re-opening all valves (6) and connecting a power supply of a water pumping device (12), and formally starting a model water pipe penetration test;
s8, after the model water pipe penetration test is finished, closing all valves, switching off the power supply of the water suction pump, disassembling the model water pipe (9) and the soil sample box (8), and cleaning soil samples and water absorption paper;
s9, mounting the model water pipe (9) and the cleaned soil sample box (8) back to the device for the next group of tests;
preferably, in the above step S1, the water pressure in the model water pipe is preset, and the initial value of the position water head, that is, the height of the upper end of the return funnel (1401) is calculated by the constant total flow bernoulli equation of the fluid mechanics and the related principles.
Preferably, in the above step S4, the values of the two pitot tube water pressure meters (10) when they are stable are observed, the median value of the two is calculated and compared with the preset osmotic pressure, and the test is continued as the same, otherwise, the pressure regulator (2) is finely tuned, the difference between the actual pressure and the preset pressure is reduced, and the test accuracy is ensured.
Preferably, in the step S5, the soil sample is filled into the soil sample box (8) by layered compaction, so that the compaction degree of the soil sample is uniform, the influence of the soil sample on the test is reduced, and the quality of the model water pipe penetration test is improved.
Preferably, in the step S5, when the soil sample is filled in the lower portion of the model water pipe (9), the model water pipe (9) is placed therein and then the soil sample is continuously filled. By adopting the technical scheme, the filling of soil samples can be facilitated, the model water pipe (9) can be fixed, and reserved holes on the model water pipe (9) are ensured to be in a preset direction.
The present embodiment is merely illustrative of the present utility model and not limiting, and one skilled in the art can make modifications to the present embodiment without creative contribution as needed after having read the present specification, but is protected by patent law within the scope of the claims of the present utility model.
Claims (5)
1. The utility model provides a model water pipe infiltration test device, includes storage water tank (13), accuse pressure case (1), soil sample case (8), its characterized in that: a water pump (12) of a water pumping device is arranged in the water storage tank (13) and is in through connection with the pressure control tank (1) through a water guide pipe (401); a pressure regulator (2) and a pore-separating plate (5) are arranged in the pressure control box (1), and the pressure regulator (2) consists of a lifting rod (3) and a reflux hopper (1401); the soil sample box (8) comprises a model water pipe (9) which is respectively connected with the water storage tank (13) and the pressure control box (1) in a penetrating way through a large reflux unit (1402) and a water guide pipe (403).
2. A model water pipe water penetration test apparatus according to claim 1, wherein: the pressure regulator (2) consists of a reflux funnel (1401), a lifting rod (3) and a corrugated pipe (17), and the corrugated pipe (17) is connected with a water guide pipe (402) at the water outlet of the pressure control box (1); the pressure regulator (2) is movably connected with an angle code (18) fixedly arranged on the upper part of the side wall of the pressure control box (1) and is fixed through an upper bolt (19).
3. A model water pipe water penetration test apparatus according to claim 1, wherein: the baffle plate (5) is vertically arranged in the pressure control box (1), and one side of the plate surface of the baffle plate is provided with a plurality of regularly arranged open holes.
4. A model water pipe water penetration test apparatus according to claim 1, wherein: the model water pipe (9) is fixedly connected with the water guide pipe (403) through a water pipe connector (10), and a plurality of openings are formed in the side wall of the model water pipe (9).
5. A model water pipe water penetration test apparatus according to claim 1, wherein: a pitot tube water pressure meter (7) and a pitot tube flow meter (11) are arranged on a water guide pipe (403) connected with the soil sample box (8); a large reflux device (1402) is connected between the soil sample box (8) and the water storage tank (13); a water tap (20) is arranged at one side of the tail end water outlet of the water guide pipe (403), a small reflux device (1403) is arranged right below the water tap (20), and the small reflux device (1403) is connected with the water storage tank (13); the large reflux unit (1402) and the small reflux unit (1403) are provided with water permeable stones (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768779.6U CN220154214U (en) | 2023-04-10 | 2023-04-10 | Model water pipe infiltration test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768779.6U CN220154214U (en) | 2023-04-10 | 2023-04-10 | Model water pipe infiltration test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220154214U true CN220154214U (en) | 2023-12-08 |
Family
ID=89011808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320768779.6U Active CN220154214U (en) | 2023-04-10 | 2023-04-10 | Model water pipe infiltration test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220154214U (en) |
-
2023
- 2023-04-10 CN CN202320768779.6U patent/CN220154214U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108222082B (en) | Dynamic precipitation indoor model test method and device for foundation pit under condition of multiple aquifers | |
| CA2213071A1 (en) | Drainage and irrigation system for natural turf athletic field | |
| CN101413261B (en) | Double-layer low-position vacuum preload consolidation device and soft soil foundation reinforcing method | |
| CN207908334U (en) | A kind of presstressed reinforcing steel material corrosion damage pilot system that can simulate complicated Geotechnical Environment | |
| CN106706886B (en) | Rainfall slope model experiment device and method under lateral non-uniform loading condition | |
| CN206470116U (en) | A kind of experimental rig for simulating the lower basement bottom board stress of artesian water effect | |
| CN115596027B (en) | High-pressure saturated seawater fracture network rock stratum grouting plugging and destabilizing model test device | |
| CN207585705U (en) | A kind of can monitor in real time is poured by the device of note medium grouting amount | |
| CN114486641A (en) | Magnetic slurry crack grouting and filling experimental device and method | |
| CN201305846Y (en) | Double-layer low- order vacuum prepressing reinforcing device | |
| CN116047024A (en) | Grouting lifting three-dimensional model test device and test method | |
| CN108426779A (en) | The structural cracks experiment simulator and method of underground engineering under high hydraulic condition | |
| CN109723025B (en) | Underground structure boundary seepage test device and using method thereof | |
| CN220154214U (en) | Model water pipe infiltration test device | |
| CN102877538A (en) | Construction method for fixing HDPE (high-density polypropylene) pipe by embedding iron wires | |
| CN112578101B (en) | Model test device for ground collapse caused by pipeline leakage | |
| CN206385495U (en) | A kind of earth and rockfill dam landslide observed seepage behavior simulation test device | |
| CN110080216B (en) | Water storage system utilizing supporting tubular piles and construction method thereof | |
| CN113049450A (en) | Pore medium slurry penetration diffusion test system and design operation method | |
| CN107023061B (en) | Assembled plastic municipal drainage inspection well and construction method | |
| JP5515190B1 (en) | Liquefaction countermeasures for existing buried pipes | |
| CN210141963U (en) | Drainage pipe water filling test device | |
| CN115561135A (en) | Flexible wall vertical permeameter | |
| CN208506001U (en) | A kind of foundation pit Horizontal seals water proof experimental rig | |
| CN206387700U (en) | A kind of adrainage material water flowing performance testing device for considering silting condition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |