CN203630014U - Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system - Google Patents

Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system Download PDF

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Publication number
CN203630014U
CN203630014U CN201320692155.7U CN201320692155U CN203630014U CN 203630014 U CN203630014 U CN 203630014U CN 201320692155 U CN201320692155 U CN 201320692155U CN 203630014 U CN203630014 U CN 203630014U
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China
Prior art keywords
tank
unsaturated soil
funnel
water supply
casing
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Withdrawn - After Issue
Application number
CN201320692155.7U
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Chinese (zh)
Inventor
邱战洪
何春木
高俊峰
陈合龙
熊浩
朱兵见
刘子振
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Taizhou University
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Taizhou University
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Priority to CN201320692155.7U priority Critical patent/CN203630014U/en
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Publication of CN203630014U publication Critical patent/CN203630014U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a rain-intensity-controllable unsaturated soil infiltration simulation system. The rain-intensity-controllable unsaturated soil infiltration simulation system comprises a test bench, wherein pulleys are arranged at the bottom of the test bench; a water supply tank, an overflow water tank and a model tank are arranged on the test bench; the model tank is a circular bucket with opened top; a plurality of separation plates are arranged inside the model tank; a reserved hole is formed in the center of each separation plate; a water drain valve is arranged at the bottom of the model tank; a water supply pump is arranged in the water supply tank and is connected with the overflow water tank through a water supply pipe; the overflow water tank is connected with the water supply tank through an overflow water pipe; a raindrop generator is connected with the bottom of the overflow water tank and comprises a guide pipe, a regulating valve, a syringe needle and a fixed plate; a funnel is arranged on the lower surface of the fixed plate; a discharge hole of the funnel is formed above an opening of the top of the model tank. According to the rain-intensity-controllable unsaturated soil infiltration simulation system, point-to-point control is carried out through the raindrop generator. The rain-intensity-controllable unsaturated soil infiltration simulation system is accurate in rainfall and high in test precision.

Description

The unsaturated soil rain infiltration simulation system that a kind of raininess is controlled
Technical field
The utility model relates to the controlled unsaturated soil rain infiltration simulation system of unsaturated soil rain infiltration simulation system, particularly a kind of raininess.
Background technology
Soil is as porous medium common in engineering, perviousness is its critical nature, and common soil is mainly unsaturated soil in Geotechnical Engineering, therefore the research of unsaturated soil is subject to domestic and international researchist's attention, and wherein Percolation Law is an important research contents.Rainfall simulator in existing soil body simulating device often adopts the mode of house steward and arm to supply water, or adopt the mode of gondola water faucet to spray, have that rainfall intensity control difficulty is high, out of true, particularly under the strong condition of light rain, rainfall is inhomogeneous, rainfall measuring accuracy is low.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides a kind of raininess controlled unsaturated soil rain infiltration simulation system, solved the technical matterss such as the rainfall intensity control difficulty that prior art exists is high, rainfall measuring accuracy is low.
The utility model solves above-mentioned technical matters by the following technical programs: the unsaturated soil rain infiltration simulation system that a kind of raininess is controlled, comprise the test-bed of bottom with pulley, on described test-bed, be provided with water tank, spill box and model casing, described model casing is open-topped circular bucket, model casing inside is provided with several centers the dividing plate of preformed hole, the bottom of model casing is provided with draining valve, in described water tank, be provided with water supply pump, water supply pump connects spill box with water supply water pipe, described spill box connects water tank with overflow pipe, also be connected with a raindrop generator in spill box bottom, described raindrop generator comprises the conduit that several are communicated with spill box bottom, on described conduit, be provided with variable valve, the top of conduit is provided with syringe needle, syringe needle is fixed on fixed head, the lower surface of fixed head is also provided with a funnel, the discharging opening of described funnel is positioned at the opening top at model casing top.
In the controlled unsaturated soil rain infiltration simulation system of above-mentioned raininess, described fixed head is circular slab, and described funnel is the external diameter and the external diameter that is not less than fixed head at circular funnel and funnel top.
In the controlled unsaturated soil rain infiltration simulation system of above-mentioned raininess, described conduit is plastic tube or glass tube.
In the controlled unsaturated soil rain infiltration simulation system of above-mentioned raininess, the preformed hole that described dividing plate quantity is greater than 5 and dividing plate center is semicircle orifice.
The beneficial effects of the utility model are: by raindrop generator pointwise control, can realize the accurate generation of <1mm/h raininess rainfall 1.; 2. in model casing, dividing plate is set and dividing plate is provided with preformed hole, can realizes and successively control compacting, and be convenient to bury underground test data line, guarantee fully contacting of testing tool and sample, measuring accuracy is high.
Accompanying drawing explanation
The structural representation that Fig. 1 provides for the utility model.
In figure, 1. experimental stand; 2. water supply pump; 3. water supply water pipe; 4. water tank; 5. overflow pipe; 6. spill box; 7. conduit; 8. variable valve; 9. syringe needle; 10. fixed head; 11. funnels; 12. model casings; 13. dividing plates; 14. draining valves.
Embodiment
Below in conjunction with accompanying drawing, and, the utility model is described further in conjunction with the embodiments
As shown in Figure 1, the unsaturated soil rain infiltration simulation system that a kind of raininess is controlled, comprise the test-bed 1 of bottom with pulley, on described test-bed 1, be provided with water tank 4, spill box 6 and model casing 12, described model casing 12 is open-topped circular bucket, model casing 12 inside are provided with several centers the dividing plate 13 of preformed hole, the bottom of model casing 12 is provided with draining valve 14, in described water tank 4, be provided with water supply pump 2, water supply pump 2 use water supply water pipes 3 connect spill box 6, described spill box 6 use overflow pipes 5 connect water tank 4, also be connected with a raindrop generator in spill box 6 bottoms, described raindrop generator comprises the conduit 7 that several are communicated with spill box 6 bottoms, on described conduit 7, be provided with variable valve 8, the top of conduit 7 is provided with syringe needle 9, syringe needle 9 is fixed on fixed head 10, the lower surface of fixed head 10 is also provided with a funnel 11, the discharging opening of described funnel 11 is positioned at the opening top at model casing 12 tops.
As the preferred scheme of one, in the present embodiment, described fixed head 10 is circular slab, the external diameter that described funnel 11 is circular funnel and funnel 11 tops and the external diameter that is not less than fixed head 10; Described conduit 7 is plastic tube or glass tube; The preformed hole that described dividing plate 13 quantity are greater than 5 and dividing plate 13 centers is semicircle orifice.
Described variable valve 8 is with scale.
The utility model course of work is: first make test specimen, in model casing 12 bottom bottoms, the thick sand bedding course of 30cm fully compacting are set, top laying geotextile, then fills the bottom soil body to be measured, and by certain compactness compacting; Upper strata test specimen is made in layering, in the middle of different test specimens, separates with dividing plate 13; Model casing 12 top plastic covering films are for subsequent use.Then simulated rainfall, regulates all raindrop generator variable valve 8 to same position, opens water supply pump 2, when the interior water surface of spill box 6 is stable, obtain after uniform rainfall the graduated cylinder of use funnel 11, corresponding precision, stopwatch mensuration raininess, minute >=5 minute.Then model casing 12 is placed under the fixed head 10 on experimental stand 1, test data line is imbedded to the soil body by the preformed hole in dividing plate 13, be above covered with a layer test specimen, and guarantee the alignment of levels preformed hole.Finally funnel 11 is removed, opening water discharge valve 14, starts test.
The utility model, by raindrop generator pointwise control, can be realized the accurate generation of <1mm/h raininess rainfall; In model casing, dividing plate is set and dividing plate is provided with preformed hole, can realizes and successively control compacting, and be convenient to bury underground test data line, guarantee fully contacting of testing tool and sample, measuring accuracy is high.

Claims (4)

1. the unsaturated soil rain infiltration simulation system that raininess is controlled, comprise the test-bed (1) of bottom with pulley, it is characterized in that, on described test-bed (1), be provided with water tank (4), spill box (6) and model casing (12), described model casing (12) is open-topped circular bucket, model casing (12) inside is provided with several centers the dividing plate of preformed hole (13), the bottom of model casing (12) is provided with draining valve (14), in described water tank (4), be provided with water supply pump (2), water supply pump (2) connects spill box (6) with water supply water pipe (3), described spill box (6) connects water tank (4) with overflow pipe (5), also be connected with a raindrop generator in spill box (6) bottom, described raindrop generator comprises the conduit (7) that several are communicated with spill box (6) bottom, on described conduit (7), be provided with variable valve (8), the top of conduit (7) is provided with syringe needle (9), syringe needle (9) is fixed on fixed head (10), the lower surface of fixed head (10) is also provided with a funnel (11), the discharging opening of described funnel (11) is positioned at the opening top at model casing (12) top.
2. the controlled unsaturated soil rain infiltration simulation system of raininess according to claim 1, it is characterized in that, described fixed head (10) is circular slab, and described funnel (11) is the external diameter that the external diameter at circular funnel and funnel (11) top is not less than fixed head (10).
3. the controlled unsaturated soil rain infiltration simulation system of raininess according to claim 1 and 2, is characterized in that, described conduit (7) is plastic tube or glass tube.
4. the controlled unsaturated soil rain infiltration simulation system of raininess according to claim 3, is characterized in that, the preformed hole that described dividing plate (13) quantity is greater than 5 and dividing plate (13) center is semicircle orifice.
CN201320692155.7U 2013-11-04 2013-11-04 Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system Withdrawn - After Issue CN203630014U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320692155.7U CN203630014U (en) 2013-11-04 2013-11-04 Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320692155.7U CN203630014U (en) 2013-11-04 2013-11-04 Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system

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CN203630014U true CN203630014U (en) 2014-06-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604734A (en) * 2013-11-04 2014-02-26 台州学院 Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system
CN104458535A (en) * 2014-12-12 2015-03-25 北京工业大学 Soil body permeability characteristic testing device for centrifugal model test
CN105675284A (en) * 2016-03-17 2016-06-15 浙江省太阳能产品质量检验中心 Solar water heater support stability detection device
WO2019231425A1 (en) * 2018-05-31 2019-12-05 Yeditepe Universitesi Automatic funnel control device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604734A (en) * 2013-11-04 2014-02-26 台州学院 Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system
CN104458535A (en) * 2014-12-12 2015-03-25 北京工业大学 Soil body permeability characteristic testing device for centrifugal model test
CN105675284A (en) * 2016-03-17 2016-06-15 浙江省太阳能产品质量检验中心 Solar water heater support stability detection device
CN105675284B (en) * 2016-03-17 2018-03-02 浙江省太阳能产品质量检验中心 Rack of solar water heater steadiness detection means
WO2019231425A1 (en) * 2018-05-31 2019-12-05 Yeditepe Universitesi Automatic funnel control device

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AV01 Patent right actively abandoned

Granted publication date: 20140604

Effective date of abandoning: 20150812

RGAV Abandon patent right to avoid regrant