CN204753657U - Steady qualitative experiment device of foundation ditch is strutted to strong lower anchor of rainfall condition of infiltrating - Google Patents
Steady qualitative experiment device of foundation ditch is strutted to strong lower anchor of rainfall condition of infiltrating Download PDFInfo
- Publication number
- CN204753657U CN204753657U CN201520434888.XU CN201520434888U CN204753657U CN 204753657 U CN204753657 U CN 204753657U CN 201520434888 U CN201520434888 U CN 201520434888U CN 204753657 U CN204753657 U CN 204753657U
- Authority
- CN
- China
- Prior art keywords
- rainfall
- shower nozzle
- water pump
- pressure sensor
- model
- 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.)
- Expired - Fee Related
Links
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The utility model discloses a steady qualitative experiment device of foundation ditch is strutted to strong lower anchor of rainfall condition of infiltrating, including simulating rainfall system, model test case, simulation rainfall system is including retaining jar, water pump, rainfall graduated flask, flow control valve, water pump, PLC programmable device, water pressure sensor, shunt, open and close valve and shower nozzle, the water pump sets up in the retaining jar, and outlet pipe and flow control valve, the water pressure sensor of water pump are connected, getting into the shunt, the water that the water pressure sensor flows get into the shower nozzle with the open and close valve after, the PLC programmable device is connected with water pressure sensor, flow control valve, water pump and rainfall graduated flask respectively, the rainfall graduated flask is disposed under the shower nozzle, the utility model has the advantages that: adopt 1 set of tipping bucket formula rain sensor, obtain the actual rainfall intensity value of the on -the -spot real time kinematic of rainfall to this rainfall intensity contrasts for feedback control signal sets for the raininess with the experiment, combines feedback regulation and control algorithm to relapse infinite raininess value of approaching the settlement in whole flush period, like this can true, accurate, the stable rainfall process of automatic gain.
Description
Technical field
The utility model relates to building field, is a kind of pile-anchor retaining base pit stability experimental facilities specifically.
Background technology
Under heavy showers Infiltration Condition, the research of pile-anchor retaining base pit stability is more difficult always, because the simulated rainfall system not having a kind of and natural heavy showers similar, therefore, limits going deep into further of this research.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide pile-anchor retaining base pit stability experimental facilities under a kind of heavy showers Infiltration Condition, and concrete technical scheme is as follows:
Under heavy showers Infiltration Condition, pile-anchor retaining base pit stability experimental facilities, comprises simulated rainfall system, model test box, simulated rainfall system simulation heavy showers, and model test box is used for simulating pile-anchor retaining foundation ditch; Simulated rainfall system comprises water tank, water pump, precipitation gauge, flow control valve, water pump, PLC programmer, hydraulic pressure sensor, current divider, open and close valve and shower nozzle; Water pump is arranged in water tank, and the outlet pipe of water pump is connected with flow control valve, hydraulic pressure sensor; After the water of hydraulic pressure sensor outflow enters current divider, open and close valve is entered shower nozzle; PLC programmer is connected with hydraulic pressure sensor, flow control valve, water pump and precipitation gauge respectively; Precipitation gauge is arranged on the below of shower nozzle; Model testing box model is arranged on the below of shower nozzle, reserved four spilled water holes in side of model testing box model;
The length, width and height of described model testing box model are 2000mm*1000mm*1500mm.The thick tempered glass of 19mm is adopted for meeting requirement of strength.Can be used for simulating the excavation and lining process of foundation ditch, Precipitation Process, numerical analysis of rainfall infiltration etc.
Experimental tank side glass 70mm and each reserved four diameters of 560mm At The Height are the spilled water hole of 20mm.Can be used for simulate formation water level.
Described shower nozzle is triplets, and the specification often organizing shower nozzle is different;
Described shower nozzle is that the FULLJET that SPAYINGSYSTEMSCO company of the U.S. produces rotates following spray wide-angle solid cone shaped shower nozzle;
The utility model has the advantages that: present design adopt 1 cover tipping bucket rain gauge, installation position in raininess value closest to experimental tank rainfall intensity average place.Obtain the on-the-spot real-time dynamic actual rainfall intensity value of rainfall, contrast, in conjunction with feedback regulation algorithm in whole flush period infinite raininess value of approaching setting repeatedly for feedback control signal sets raininess with experiment with this rainfall intensity.Can automatically obtain true, accurate, stable rainfall like this.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the injection uniformity curve of shower nozzle;
Fig. 3 is the FB(flow block) of rainfall control method;
In figure, 1 is PLC programmer; 2 is flow control valve; 3 is hydraulic pressure sensor; 4 is water pump; 5 is water tank; 6 is current divider; 7 is open and close valve; 8 is supply channel; 9 is precipitation gauge; 10 is shower nozzle.
Detailed description of the invention
Illustrate the utility model below in conjunction with accompanying drawing, as shown in Figure 1, the utility model comprises simulated rainfall system, model test box, simulated rainfall system simulation heavy showers, and model test box is used for simulating pile-anchor retaining foundation ditch; Simulated rainfall system comprises water tank, water pump, precipitation gauge, flow control valve, water pump, PLC programmer, hydraulic pressure sensor, current divider, open and close valve and shower nozzle; Water pump is arranged in water tank, and the outlet pipe of water pump is connected with flow control valve, hydraulic pressure sensor; After the water of hydraulic pressure sensor outflow enters current divider, open and close valve is entered shower nozzle; PLC programmer is connected with hydraulic pressure sensor, flow control valve, water pump and precipitation gauge respectively; Precipitation gauge is arranged on the below of shower nozzle; Model testing box model is arranged on the below of shower nozzle, reserved four spilled water holes in side of model testing box model;
Described shower nozzle is triplets, and the specification often organizing shower nozzle is different;
Described shower nozzle is that the FULLJET that SPAYINGSYSTEMSCO company of the U.S. produces rotates following spray wide-angle solid cone shaped shower nozzle;
The length, width and height of described model testing box model are 2000mm*1000mm*1500mm.The thick tempered glass of 19mm is adopted for meeting requirement of strength.Can be used for simulating the excavation and lining process of foundation ditch, Precipitation Process, numerical analysis of rainfall infiltration etc.
Experimental tank side glass 70mm and each reserved four diameters of 560mm At The Height are the spilled water hole of 20mm.Can be used for simulate formation water level.
Below the utility model is described in further detail:
Shower nozzle
Characteristics of rainfall value generally includes rainfall intensity, the uniformity of rainfall distribution, the terminal velocity of raindrop diameter and grating and raindrop.For making the rainfall of this system simulation and natural precipitation physical property maximal phase seemingly, the FULLJET that we adopt the SPAYINGSYSTEMSCO company of the U.S. of unique professional production simulation raindrop shower nozzle in the world to produce rotates following spray wide-angle solid cone shaped shower nozzle simulated rainfall, 3 kinds of different size (1/8GG-1.5w, 1/4GG-10w, raindrop simulation 3/8GG-17w) is nozzle specially used, is superimposed as a raindrop injection group.
The rainfall uniformity
According to the parameter that shower nozzle producer provides, this shower nozzle spray angle is 110 degree, and under 2m height and 1bar hydraulic pressure, sprayed fiber concrete is 5.72m, and effective diameter is 70 percent of overall diameter, so spraying effective diameter is 4m, projected area is 12.56 flat.The injection uniformity curve of shower nozzle as shown in Figure 2;
The experimental tank plane of 2000mm*1000mm is divided into the square scope of 50 200mm*200mm, can learns that the rainfall distributed data within the scope of experimental tank is table 1 by estimation:
Table 1
| 1035 | 1162 | 1261 | 1299 | 1379 | 1379 | 1299 | 1261 | 1162 | 1035 |
| 1089 | 1218 | 1291 | 1410 | 1441 | 1441 | 1410 | 1291 | 1218 | 1089 |
| 1121 | 1253 | 1328 | 1441 | 1435 | 1435 | 1441 | 1328 | 1253 | 1121 |
| 1089 | 1218 | 1291 | 1410 | 1441 | 1441 | 1410 | 1291 | 1218 | 1089 |
| 1035 | 1162 | 1261 | 1299 | 1379 | 1379 | 1299 | 1261 | 1162 | 1035 |
U＝1-Σ|Ri-R|/nRR＝1269.92
Be 91.59% by calculating the known rainfall uniformity.Meet the requirement that the rainfall uniformity is greater than 80%, can be used for experiment.
Rainfall intensity
Rainfall simulation system raininess excursion 3-70mm/h, as shown in table 2;
Table 2
| Hydraulic pressure | Flow | Raininess | |
| 1/8GG-1.5w shower nozzle | 0.7bar | 0.57L/min | 2.72mm/h |
| 1bar | 0.67L/min | 3.2mm/h | |
| 1.5bar | 0.8L/min | 3.8mm/h | |
| 2/8GG-10w shower nozzle | 0.4bar | 2.9L/min | 13.86mm/h |
| 0.5bar | 3.3L/min | 15.77mm/h | |
| 0.7bar | 3.8L/min | 18.16mm/h | |
| 1bar | 4.5L/min | 21.5mm/h | |
| 1.5bar | 5.4L/min | 25.8mm/h | |
| 3/8GG-17w shower nozzle | 0.4bar | 5.1L/min | 24.36mm/h |
| 0.5bar | 5.6L/min | 26.75mm/h | |
| 0.7bar | 6.5L/min | 31.05mm/h | |
| 1bar | 7.6L/min | 36.3mm/h | |
| 1.5bar | 9.1L/min | 43.46mm/h |
Simulated rainfall intensity meets requirement of experiment substantially
Drop size
This shower nozzle is in same nozzle types, and the nozzle of minimum discharge produces the thinnest spray droplet, and the nozzle of maximum stream flow then produces the thickest spray droplet.
Number of element types in the utility model is as shown in table 3;
Table 3
Configuration list
Equipment is electrically connected
Present design adopts 1 cover tipping bucket rain gauge, and installation position is in raininess value closest to experimental tank rainfall intensity average place, and obtaining of this numerical value can reference table 1.Obtain the on-the-spot real-time dynamic actual rainfall intensity value of rainfall, contrast, in conjunction with feedback regulation algorithm in whole flush period infinite raininess value of approaching setting repeatedly for feedback control signal sets raininess with experiment with this rainfall intensity.Can automatically obtain true, accurate, stable rainfall like this.The FB(flow block) of control method is as shown in Figure 3:
This scheme is with on-the-spot actual real-time dynamic raininess for feedback control signal, and can learn raininess value at that time at any time in experimentation, manual hand manipulation can intervene rainfall control procedure at any time.
This artificial rainfall simulation system adopts automatic measuring and controlling system, is convenient to regulate very soon raininess to experimental simulation rainfall required value (as without this function, the rainfall calibration before rainfall, adjustment, checking take energy very much, the time).Rainfall intensity wide coverage, can meet the test requirements document of peak rainfall intensity.
Model experiment groove is introduced
Model experiment groove length, width and height are 2000mm*1000mm*1500mm.The thick tempered glass of 19mm is adopted for meeting requirement of strength.Can be used for simulating the excavation and lining process of foundation ditch, Precipitation Process, numerical analysis of rainfall infiltration etc.
Experimental tank one side glass 70mm and each reserved four diameters of 560mm At The Height are the spilled water hole of 20mm.Can be used for simulate formation water level.
Claims (4)
1. pile-anchor retaining base pit stability experimental facilities under heavy showers Infiltration Condition, comprise simulated rainfall system, model test box, it is characterized in that: simulated rainfall system comprises water tank, water pump, precipitation gauge, flow control valve, water pump, PLC programmer, hydraulic pressure sensor, current divider, open and close valve and shower nozzle; Water pump is arranged in water tank, and the outlet pipe of water pump is connected with flow control valve, hydraulic pressure sensor; After the water of hydraulic pressure sensor outflow enters current divider, open and close valve is entered shower nozzle; PLC programmer is connected with hydraulic pressure sensor, flow control valve, water pump and precipitation gauge respectively; Precipitation gauge is arranged on the below of shower nozzle; Model testing box model is arranged on the below of shower nozzle, reserved four spilled water holes in side of model testing box model.
2. device according to claim 1, is characterized in that: the length, width and height of described model testing box model are 2000mm*1000mm*1500mm; Experimental tank side 70mm and each reserved four diameters of 560mm At The Height are the spilled water hole of 20mm.
3. device according to claim 1, is characterized in that: described shower nozzle is triplets, and the specification often organizing shower nozzle is different.
4. device according to claim 1, is characterized in that: described shower nozzle is that the FULLJET that SPAYINGSYSTEMSCO company of the U.S. produces rotates following spray wide-angle solid cone shaped shower nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434888.XU CN204753657U (en) | 2015-06-23 | 2015-06-23 | Steady qualitative experiment device of foundation ditch is strutted to strong lower anchor of rainfall condition of infiltrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434888.XU CN204753657U (en) | 2015-06-23 | 2015-06-23 | Steady qualitative experiment device of foundation ditch is strutted to strong lower anchor of rainfall condition of infiltrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204753657U true CN204753657U (en) | 2015-11-11 |
Family
ID=54468382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520434888.XU Expired - Fee Related CN204753657U (en) | 2015-06-23 | 2015-06-23 | Steady qualitative experiment device of foundation ditch is strutted to strong lower anchor of rainfall condition of infiltrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204753657U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845019A (en) * | 2016-05-19 | 2016-08-10 | 中国建筑东北设计研究院有限公司 | Test device used for simulating pile anchor support foundation pit stability under strong rainfall condition |
| CN110031379A (en) * | 2019-05-21 | 2019-07-19 | 西南交通大学 | Rainfall simulator is used in a kind of test of roadbed rainfall infiltration |
| CN110057998A (en) * | 2019-04-07 | 2019-07-26 | 浙江大学 | A kind of rainy strong side slope rainfall simulator of hypergravity |
| CN116174190A (en) * | 2023-04-19 | 2023-05-30 | 北京易科立德生态环境科技有限责任公司 | Rainfall simulation device |
-
2015
- 2015-06-23 CN CN201520434888.XU patent/CN204753657U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845019A (en) * | 2016-05-19 | 2016-08-10 | 中国建筑东北设计研究院有限公司 | Test device used for simulating pile anchor support foundation pit stability under strong rainfall condition |
| CN110057998A (en) * | 2019-04-07 | 2019-07-26 | 浙江大学 | A kind of rainy strong side slope rainfall simulator of hypergravity |
| CN110031379A (en) * | 2019-05-21 | 2019-07-19 | 西南交通大学 | Rainfall simulator is used in a kind of test of roadbed rainfall infiltration |
| CN116174190A (en) * | 2023-04-19 | 2023-05-30 | 北京易科立德生态环境科技有限责任公司 | Rainfall simulation device |
| CN116174190B (en) * | 2023-04-19 | 2023-07-14 | 北京易科立德生态环境科技有限责任公司 | Rainfall simulation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204753657U (en) | Steady qualitative experiment device of foundation ditch is strutted to strong lower anchor of rainfall condition of infiltrating | |
| CN111369059B (en) | Urban waterlogging rapid prediction method and system based on rain and flood simulation coupling model | |
| CN105004646B (en) | A kind of indoors artificial simulated rain trails system | |
| CN201556340U (en) | Movable type adjustable rainfall simulator | |
| CN203965428U (en) | Native test unit is flowed in a kind of piping | |
| CN104596736B (en) | A kind of rainfall flooding simulation system and method | |
| CN105651484B (en) | A kind of adaptive Storm Sewer Network monitoring method and system | |
| CN106777460B (en) | Method for determining pipe diameter and gradient of urban rainwater pipe network based on SWMM hydraulic model | |
| CN104535295A (en) | Multi-functional experimental device for simulating bevel flowing water force factor and experimental method thereof | |
| CN101585024A (en) | Portable artificial rain simulating device | |
| CN106644385B (en) | Surface water and underground water subsurface flow exchange self-circulation test device and use method | |
| CN103885095A (en) | Surface uniform rainfall field simulation device | |
| CN103828690A (en) | Slightly-wetting irrigation water amount automatic control system | |
| CN207515992U (en) | A kind of test model box for vibrating table manually rainfall system | |
| CN103691594B (en) | The lifting portable rainfall simulator of the heterogeneous karst sloping field of a kind of suitable height | |
| CN110232479A (en) | A kind of city flood control by reservoir regulation compensation optimizing dispatching method | |
| CN102928327A (en) | Circulating water pressure regulating device for seepage deformation test | |
| CN107764500A (en) | A kind of rainfall simulator for wind energy conversion system wind and rain coupling test | |
| CN205910180U (en) | Artificial rainfall simulation analog system | |
| CN105547885A (en) | Gas well erosion experiment system, erosion method thereof and flow beam adjusting device | |
| CN113638613A (en) | Intelligent maintenance system and method for mass concrete of foundation slab | |
| CN103823936A (en) | Method for determining isochrone | |
| CN103485387A (en) | Canal-irrigation-area pipe water delivery irrigation system | |
| CN210184071U (en) | Little rain is cold fog formula artificial rainfall analogue means by force | |
| CN209727712U (en) | A kind of experiment casing for simulating multi-layer Underground Water laminar motion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20170623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |