CN103196808A - Water seepage collecting and testing system for fluid-solid coupling test - Google Patents
Water seepage collecting and testing system for fluid-solid coupling test Download PDFInfo
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- CN103196808A CN103196808A CN2013101021710A CN201310102171A CN103196808A CN 103196808 A CN103196808 A CN 103196808A CN 2013101021710 A CN2013101021710 A CN 2013101021710A CN 201310102171 A CN201310102171 A CN 201310102171A CN 103196808 A CN103196808 A CN 103196808A
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Abstract
The invention discloses a water seepage collecting and testing system for a fluid-solid coupling test. The water seepage collecting and testing system comprises a transparent waterproof sealed testing tank, wherein the testing tank internally comprises a water tank area, a material area and a water amount collecting area which are sequentially arranged from top to bottom, the water tank area is communicated with the material area, a water permeable clapboard is arranged between the material area and the water amount collecting area, and the water tank area is connected with a water pressure control device. The water seepage collecting and testing system solves the problems that the water seepage amount is difficult to accurately collect and the seepage rate is difficult to test in a fluid-solid coupling model test, truly simulates the coupling effect of a water body and similar materials, and simultaneously realizes the visualization of the testing system in the model test. When the visualized water seepage collecting and testing system is applied in the model test, compared with the conventional research, the water seepage collecting and testing system can realized the accurate collection of the seepage rate and the water seepage amount in the fluid-solid coupling test, and can enhance the visualization of the fluid-solid coupling test process, so that the test process is authentic and creditable, and test results are close to practical engineering.
Description
Technical field
The present invention relates to a kind of model test system, Gu the infiltration acquisition test system of especially a kind of stream for visual underground project model test-coupling test.
Background technology
Along with the rapid development of Chinese society expanding economy and communication, the development and use in infrastructure construction and space are progressively to underground expansion.Along with the continuous increase of underground engineering construction quantity, scale constantly increases, and scope is constantly expanded, and the difficulty of engineering construction also constantly increases.For underground works, outstanding characteristics are exactly that buildings is under the multinomial medium coupling of rock (soil) body, underground water and gas for a long time, to underground engineering flow-Gu the research of coupling mechanism become focus, admittedly flowing-be coupled rule by various research meanses to underground engineering, the scientific worker explores, wherein, by underground project model test underground engineering being carried out visual analogue simulation, is a kind of efficient ways.
Model test is according to similarity theory, actual engineering is converted to indoor model carries out test simulation.This requires can simulate in the model test key issue of being badly in need of solution in the actual engineering, and is significantly studied rule and come guiding construction.But there is tangible weakness in traditional underground project model test technology, and the visuality of model test system is poor, is difficult to observation experiment process directly perceived in experimental project; Gu to the stream under the full-scale condition-coupling test technical research seldom, how by the head effect is converted into imposed load research, be difficult to the interaction mechanism by experimental study fluid and solid like this; Shortage is to the method for accurate testing of material infiltration rate and water percolating capacity, Gu key index in convection current-coupling test---and infiltrative means of testing falls behind.
Summary of the invention
Gu the objective of the invention is to flow for overcoming above-mentioned existing model test-deficiency of coupled simulation technology, provide a kind of transparent visual, easy to use, Gu can be used for the infiltration acquisition test system of the stream-coupling test of underground project model test, be conducive to improve the visual of process of the test, strengthen the accuracy of process of the test; The model test system is carried out Seal Design, realized directly covering water body above the analog material and applying hydraulic pressure, the coupling of real simulation fluid and solid; Design accurate infiltration harvester, be conducive to improve the accuracy to material infiltration rate and water percolating capacity test.
For achieving the above object, the present invention adopts following technical proposals:
Gu the infiltration acquisition test system of a kind of stream-coupling test comprises chamber transparent, waterproof sealing, chamber can be used the splicing bonding technique; Chamber inside comprises water tank district, material sections and the water yield acquisition zone that is arranged in order from top to bottom, the water tank district is communicated with material sections, arrange differing heights on cover static water body, fill analog material in the material sections, be provided with permeable dividing plate between material sections and water yield acquisition zone, the water tank district is connected with hydraulic control device.
Described chamber is surrounded by base plate, some sidewalls, top board.
The splicing bonding technique is adopted in described chamber, adopts between the sidewall that waterproof glass is gluing to be connect, the groove splicing by arranging on the sidewall of sidewall and base plate, and reinforce by glass cement, top board is provided with groove, with the sidewall splicing, and the enhancing structural stability.
Described water yield acquisition zone sidewall is provided with graduated scale.
Described top board is provided with hydraulic control device.
Described model test case adopts pmma material to make, and thickness is 20mm, and strength and stiffness are bigger, and are transparent visual.
The waterproof sealing design of chamber of the present invention, stream-analog material and the dual waterproof measure of high-strength and waterproofing fluid sealant are coupled admittedly have between sidewall and base plate, be provided with sealing gasket in the groove of top board, by screw tightening compacting sealing, but realized that the flexible water of repeated disassembled and assembled designs.
Permeable dividing plate between described material sections and water yield acquisition zone, employing has the poly (methyl methacrylate) plate that spacing is 50mm infiltration hole, and the infiltration bore dia is 3mm, organic glass thickness of slab 10mm, guarantee that water can in time pass through the infiltration hole, and make the analog material particle less by the infiltration hole.
Described permeable dividing plate is by being supported and fixed in the chamber.
Described hydraulic control device comprises gauge tap, flowmeter, velocimeter, force (forcing) pump, and gauge tap, flowmeter, velocimeter, force (forcing) pump connect successively by water pipe, when the water tank height can not satisfy the hydraulic pressure requirement, applies extra hydraulic pressure.
The present invention at first carries out assembly unit and the glued sealing of chamber sidewall and base plate, and permeable dividing plate and support between mounting material district and water yield acquisition zone.Above permeable dividing plate, lay the coarse grain stone of 3～5cm, according to test request, lay the test analog material in material sections, can lay and intend the infiltrative novel analog material of test, perhaps adopt multiple analog material, the simulation special geology structure.After material-paving is finished, top board is installed, is placed rubber strip, tighten the screws seals.By hydraulic control device, in the water filling of water tank district, reach the hydrostatic height of design or apply external water pressure.According to design time, accurately read infiltration acquisition zone water level, gather water percolating capacity, and according to the material sections area, calculate the infiltration rate of material.
Gu the present invention has developed a kind of infiltration acquisition test system for visual underground project model test stream-coupling test, Gu solved the problem that water percolating capacity in stream-coupling model test is difficult to accurately to gather and infiltration rate is difficult to test, real simulation the coupling of water body and analog material, realized the visual of pilot system in the model test simultaneously.With visual infiltration acquisition test system applies in model test, compare with existing research, Gu realized the accurate collection of stream-coupling test infiltration rate and water percolating capacity, Gu strengthened the visual of stream-coupling test process, make process of the test more genuine and believable, test findings and actual engineering are more approaching.
Gu the invention solves the problem that water percolating capacity in the test of stream-coupling model is difficult to accurately to gather and infiltration rate is difficult to test, simulate Gu realized visual true stream-coupling process, have the following advantages:
1, pilot system is selected high-intensity transparent material for use, can strengthen the visual of process of the test, realizes the observation directly perceived of process of the test, is conducive to improve the accuracy of process of the test, warranty test result's degree of accuracy;
2, pilot system is selected the bigger pmma material of rigidity for use, adopts the design of splicing gummed, and strength and stiffness that can the warranty test system strengthen stability;
3, the multiple waterproof sealing means of pilot system appropriate design, according to device performance, give full play to the advantage of various waterproof materials at different parts, especially according to top board dismounting requirement, designed the flexible water that is applied to the repeated disassembled and assembled position, sealing that can the assurance device use is Gu provide stable condition for stream-coupling test;
4, between material sections and water yield acquisition zone, permeable dividing plate and support are set, the infiltration hole rationally is set, the water that can realize the material infiltration in time enters water yield acquisition zone by the infiltration hole, reduces passing through of analog material particle simultaneously as far as possible, guarantees the accuracy that water percolating capacity is gathered;
5, be provided with external hydraulic control device, can simulate in test different hydrostatic height and add hydraulic pressure with applying, increased the analog simulation scope of pilot system, be conducive to improve the similarity of test and engineering reality.
Description of drawings
Fig. 1 is principle of the invention synoptic diagram.
1. sidewalls wherein; 2. top board; 3. base plate; 4. high-strength glass glue; 5. sealing rubber pad; 6. holding screw; 7. water tank district; 8. material sections; 9. water yield acquisition zone; 10. graduated scale; 11. permeable dividing plate; 12. stainless-steel tube supports; 13. infiltration hole; 14. water filling switch; 15. flowmeter; 16. velocimeter; 17. force (forcing) pump; 18. water pipe.
Embodiment
The present invention is further described below in conjunction with accompanying drawing.
Among the figure, Gu a kind of infiltration acquisition test system for visual underground project model test stream-coupling test comprises transparent model test case, the splicing bonding technique is used in chamber, carries out the waterproof sealing design; Test box body inside comprises water tank district 7, material sections 8 and 9 three parts of water yield acquisition zone that are arranged in order from top to bottom, water tank district 7 is communicated with material sections 8, arrange differing heights on cover static water body, fill analog material in the material sections 8, permeable dividing plate 11 is set for 9 of material sections 8 and water yield acquisition zones and stainless-steel tube supports 12, and water yield acquisition zone 9 sidewalls are provided with graduated scale 10; Top board 2 is provided with hydraulic control device.
Described model test case adopts pmma material to make, and thickness is 20mm, and strength and stiffness are bigger, and are transparent visual.
Described chamber splicing combination technology, four sidewalls 1 adopt high-strength glass glue 4 bonding, and 3 of sidewall 1 and base plates pass through the groove splicing on the sidewall 1, and reinforce by high-strength glass glue 4, and top board 2 is provided with square groove, with sidewall 1 splicing, enhancing structural stability.
Described waterproof sealing design, stream-analog material and the dual waterproof measure of high-strength and waterproofing fluid sealant are coupled admittedly 3 of sidewall 1 and base plates have, be provided with sealing rubber pad 5 in the groove that top board 2 and sidewall are 1, tighten the compacting sealing by holding screw 6, but realized the flexible water design of repeated disassembled and assembled.
The permeable dividing plate 11 that described material sections 8 and water yield acquisition zone are 9, employing has the poly (methyl methacrylate) plate that spacing is 50mm infiltration hole 13, and infiltration hole 13 diameters are 3mm, organic glass thickness of slab 10mm, guarantee that water can in time pass through infiltration hole 13, and make the analog material particle less by infiltration hole 13.
The stainless-steel tube of described material sections 8 and 9 permeable dividing plates 11 of water yield acquisition zone supports 12, adopts Φ 10 stainless-steel tubes of spacing 80mm to support 12, and stainless-steel tube support 12 is vertical with infiltration hole 13 orientations.
Described hydraulic control device is made up of water filling gauge tap 14, flowmeter 15, velocimeter 16, force (forcing) pump 17 and water pipe 18, when the water tank height can not satisfy the hydraulic pressure requirement, applies extra hydraulic pressure.
Though above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (10)
1. Gu the infiltration acquisition test system of stream-coupling test is characterized in that, comprises chamber transparent, waterproof sealing; Chamber inside comprises water tank district, material sections and the water yield acquisition zone that is arranged in order from top to bottom, and the water tank district is communicated with material sections, is provided with permeable dividing plate between material sections and water yield acquisition zone, and the water tank district is connected with hydraulic control device.
2. Gu the infiltration acquisition test system of stream as claimed in claim 1-coupling test is characterized in that described chamber is surrounded by base plate, some sidewalls, top board.
3. Gu the infiltration acquisition test system of stream as claimed in claim 2-coupling test is characterized in that, adopt between the described sidewall that waterproof glass is gluing to be connect, sidewall and base plate are by the groove splicing that arranges on the sidewall, and by the glass cement reinforcing, top board is provided with groove, splices with sidewall.
4. Gu the infiltration acquisition test system of stream as claimed in claim 3-coupling test is characterized in that, is provided with sealing gasket in the groove of top board, seals by the screw tightening compacting.
5. Gu the infiltration acquisition test system of stream as claimed in claim 2-coupling test is characterized in that the sidewall of described water yield acquisition zone is provided with graduated scale.
6. Gu the infiltration acquisition test system of stream as claimed in claim 1-coupling test is characterized in that, described chamber adopts pmma material to make, and thickness is 20mm.
7. Gu the infiltration acquisition test system of stream as claimed in claim 1-coupling test is characterized in that described permeable dividing plate is to have the poly (methyl methacrylate) plate that spacing is the infiltration hole of 50mm, the infiltration bore dia is 3mm, organic glass thickness of slab 10mm.
8. Gu as the infiltration acquisition test system of claim 1 or 7 described streams-coupling test, it is characterized in that described permeable dividing plate is by being supported and fixed in the chamber.
9. Gu the infiltration acquisition test system of stream as claimed in claim 8-coupling test is characterized in that some Φ 10 stainless-steel tubes are adopted in described support, the stainless-steel tube spacing is 80mm, and stainless-steel tube is vertical with infiltration hole orientation.
10. Gu the infiltration acquisition test system of stream as claimed in claim 1-coupling test, it is characterized in that, described hydraulic control device comprises gauge tap, flowmeter, velocimeter, force (forcing) pump, and gauge tap, flowmeter, velocimeter, force (forcing) pump connect successively by water pipe.
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| CN201310102171.0A CN103196808B (en) | 2013-03-27 | 2013-03-27 | Water seepage collecting and testing system for fluid-solid coupling test |
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| CN201310102171.0A CN103196808B (en) | 2013-03-27 | 2013-03-27 | Water seepage collecting and testing system for fluid-solid coupling test |
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Cited By (13)
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|---|---|---|---|---|
| CN103398933A (en) * | 2013-07-31 | 2013-11-20 | 东南大学 | Constant-pressure concrete permeability testing device |
| CN104655544A (en) * | 2013-07-29 | 2015-05-27 | 山东科技大学 | Device and method for measuring permeability coefficients of similar simulation materials |
| CN105181555A (en) * | 2015-09-21 | 2015-12-23 | 中国神华能源股份有限公司 | Test model and manufacturing method thereof |
| CN105301221A (en) * | 2015-09-21 | 2016-02-03 | 中国神华能源股份有限公司 | Test model for observing rock stratum surface displacement and manufacturing method of test model |
| CN105352867A (en) * | 2015-09-30 | 2016-02-24 | 四川大学 | Simulation multi-gap assembled medium tunnel seepage test method |
| CN105842014A (en) * | 2016-06-07 | 2016-08-10 | 四川农业大学 | Simple soil seepage water collection device |
| CN105911249A (en) * | 2016-04-12 | 2016-08-31 | 天津大学 | Test method for simulating erosion loss of sandy soil layer surrounding shield tunnel segment seam |
| CN106338464A (en) * | 2016-11-21 | 2017-01-18 | 天津市地毯研究院 | Artificial grass water seepage speed tester |
| CN107631839A (en) * | 2017-09-19 | 2018-01-26 | 合肥工业大学 | One kind simulation underground structure water-proof investigating system and its experimental method |
| CN109374498A (en) * | 2018-10-29 | 2019-02-22 | 河海大学 | A kind of Single Fracture Seepage of Rock Masses stress coupling system and method |
| CN109827886A (en) * | 2019-03-18 | 2019-05-31 | 招商局重庆交通科研设计院有限公司 | The impervious experimental method of cement concrete joint sealing material |
| CN111982785A (en) * | 2020-08-31 | 2020-11-24 | 甘肃省建材科研设计院有限责任公司 | Artificial water simulation test device for hydrophobic particles and test method thereof |
| CN113075109A (en) * | 2021-04-01 | 2021-07-06 | 西南石油大学 | Underground gas storage reservoir drying salting-out blocking injury experiment simulation system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104655544A (en) * | 2013-07-29 | 2015-05-27 | 山东科技大学 | Device and method for measuring permeability coefficients of similar simulation materials |
| CN103398933A (en) * | 2013-07-31 | 2013-11-20 | 东南大学 | Constant-pressure concrete permeability testing device |
| CN105301221B (en) * | 2015-09-21 | 2017-06-16 | 中国神华能源股份有限公司 | A kind of test model for observing rock layer surface displacement and preparation method thereof |
| CN105181555A (en) * | 2015-09-21 | 2015-12-23 | 中国神华能源股份有限公司 | Test model and manufacturing method thereof |
| CN105301221A (en) * | 2015-09-21 | 2016-02-03 | 中国神华能源股份有限公司 | Test model for observing rock stratum surface displacement and manufacturing method of test model |
| CN105181555B (en) * | 2015-09-21 | 2018-01-02 | 中国神华能源股份有限公司 | A kind of test model and preparation method thereof |
| CN105352867A (en) * | 2015-09-30 | 2016-02-24 | 四川大学 | Simulation multi-gap assembled medium tunnel seepage test method |
| CN105352867B (en) * | 2015-09-30 | 2018-05-04 | 四川大学 | Simulate the test method of more gap set medium tunnel seepage flow |
| CN105911249A (en) * | 2016-04-12 | 2016-08-31 | 天津大学 | Test method for simulating erosion loss of sandy soil layer surrounding shield tunnel segment seam |
| CN105911249B (en) * | 2016-04-12 | 2017-12-19 | 天津大学 | Simulate the test method of sandy soils erodsion loss around duct pieces of shield tunnel seam |
| CN105842014A (en) * | 2016-06-07 | 2016-08-10 | 四川农业大学 | Simple soil seepage water collection device |
| CN106338464A (en) * | 2016-11-21 | 2017-01-18 | 天津市地毯研究院 | Artificial grass water seepage speed tester |
| CN106338464B (en) * | 2016-11-21 | 2023-09-22 | 天津市产品质量监督检测技术研究院地毯研究中心 | Artificial grass water seepage speed tester |
| CN107631839A (en) * | 2017-09-19 | 2018-01-26 | 合肥工业大学 | One kind simulation underground structure water-proof investigating system and its experimental method |
| CN107631839B (en) * | 2017-09-19 | 2024-03-08 | 合肥工业大学 | Waterproof test system for simulating underground structure and experimental method thereof |
| CN109374498A (en) * | 2018-10-29 | 2019-02-22 | 河海大学 | A kind of Single Fracture Seepage of Rock Masses stress coupling system and method |
| CN109827886A (en) * | 2019-03-18 | 2019-05-31 | 招商局重庆交通科研设计院有限公司 | The impervious experimental method of cement concrete joint sealing material |
| CN111982785A (en) * | 2020-08-31 | 2020-11-24 | 甘肃省建材科研设计院有限责任公司 | Artificial water simulation test device for hydrophobic particles and test method thereof |
| CN113075109A (en) * | 2021-04-01 | 2021-07-06 | 西南石油大学 | Underground gas storage reservoir drying salting-out blocking injury experiment simulation system and method |
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