CN103175773A - Testing device for simulating rainfall erosion - Google Patents

Testing device for simulating rainfall erosion Download PDF

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Publication number
CN103175773A
CN103175773A CN2013101043847A CN201310104384A CN103175773A CN 103175773 A CN103175773 A CN 103175773A CN 2013101043847 A CN2013101043847 A CN 2013101043847A CN 201310104384 A CN201310104384 A CN 201310104384A CN 103175773 A CN103175773 A CN 103175773A
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water
water tank
weathering
simulation
glass tube
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CN2013101043847A
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CN103175773B (en
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张虎元
张学超
朱世彬
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Lanzhou University
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Lanzhou University
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Abstract

The invention discloses a testing device for simulating rainfall erosion. The testing device comprises a water intake tube, a water inlet, a first control valve, a water tank, a water isolating plate, a water sieve, a transparent glass tube, a support rack, a sample holding table, a water discharging port, a second control valve and a wastewater tank, wherein the water inlet is arranged at the top end of the water tank; the water inlet is connected with the water intake tube; the first control valve is arranged on the water inlet; the water isolating plate is arranged at the bottom of the water tank; the water sieve is arranged below the water isolating plate; the transparent glass tube is arranged on the side wall of the water tank; the upper end and the lower end of the transparent glass tube are both communicated with the water tank; the support rack is arranged below the water sieve; the wastewater tank is arranged below the support rack; the sample holding table is arranged between the support rack and the wastewater tank; the water discharging port is arranged at the bottom of the wastewater tank; and the second control valve is arranged on the water discharging port. The purpose that a test for simply, rapidly and conveniently observing the rainfall erosion in different flowing velocities and flow quantities is realized is achieved.

Description

The test unit that is used for simulation weathering
Technical field
The present invention relates to a kind of test unit for simulation weathering.
Background technology
At present, the Existential Space in native ruins is mainly outdoor.Although be the area more arid in the northwest; certain rainfall amount is still arranged, the intensity in native ruins with respect to rock intensity a little less than, the phenomenon such as cave in coombe easily appears or in ruins after contact with rainwater; cause the havoc in native ruins, for the protection of soil property historical relic brings threat.Therefore, research weathering is extremely important to the destruction that historical relic produces.And the test unit that also is not used for simulating now weathering.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of test unit for simulation weathering, to realize observing simply, efficiently the purpose of the weathering test under different in flow rate and different flow.
For achieving the above object, the technical solution used in the present invention is:
a kind of test unit for simulation weathering, comprise water inlet pipe, water inlet, the first by-pass valve control, water tank, water-stop sheet, Waste water screen, transparent glass tube, bracing frame, mould loft floor, freeing port, the second by-pass valve control and wastewater trough, described water inlet is arranged on the top of water tank, connect water inlet pipe on described water inlet, the first by-pass valve control is set on this water inlet, described water-stop sheet is arranged on the bottom of water tank, described Waste water screen is arranged on below water-stop sheet, described transparent glass tube is arranged on the sidewall of water tank, and the top and bottom of transparent glass tube all are communicated with water tank, the below of described Waste water screen arranges bracing frame, the bracing frame below arranges wastewater trough, place mould loft floor between bracing frame and wastewater trough, the bottom of described wastewater trough arranges freeing port, the second by-pass valve control is set on this freeing port.
Further, described water tank, bracing frame and wastewater trough are integrated.
Further, described water inlet pipe adopts the soft rubber leather hose.
Further described transparent glass tube adopts organic glass, is carved with scale on described organic glass, and this scale millimeter is unit.
Further, described transparent glass tube high scale is 0 ~ 500mm.
Further, described water tank is cylindric, and the diameter of water tank is 400mm, and height is 510mm, adopts stainless steel material.
Further, described mould loft floor material adopts stainless steel wire, and mould loft floor is the grid-like of right-angled intersection, and the area of each grid is 25mm 2
Further, described wastewater trough adopts tinned sheet iron.
Further, control water inlet Inlet and outlet water speed by the first by-pass valve control, keep the water level in water tank, the weathering test in simulation different in flow rate situation; On the water tank side, transparent glass tube is housed, water level situation in the observation water tank; Described Waste water screen is replaceable is the Waste water screen of different pore size, in the situation that quantity of water in water tank is fixing, and the weathering test of simulation different flow; Described mould loft floor is made latticed, has reduced the impact of ponding on the weathering test; The bottom of support frame as described above is provided with wastewater trough, is used for collecting the waste water after weathering is tested.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention, by experiment unit simulation the test of exposed rain erosion, different according to the different regions rainfall amount, the conversion flow velocity, the simulation soil sample is subjected to the rain erosion situation, draws the anti-weathering intensity of ruins body.At the water tank periphery, transparent glass tube with scale is housed, SEA LEVEL VARIATION in the observable water tank, convenient test is carried out.The Waste water screen of water tank bottom can be changed as required, changes water velocity and flow, observes preferably the weathering of soil sample in different in flow rate flow situation.By the ruins body before and after reinforcing is carried out the weathering test under the same conditions, help to choose the best reinforcement material of anti-weathering.This equipment also has simply, the advantage of convenient operation.Wastewater trough is set simultaneously waste water is collected, guaranteed the health in laboratory.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the described test unit for simulating weathering of the embodiment of the present invention;
Fig. 2 a and Fig. 2 b are the structural representation of the described test unit Waste water screen for simulating weathering of the embodiment of the present invention.
Wherein: the 1-water inlet pipe; The 2-water inlet; The 3-water tank; The 4-Waste water screen; The 5-mould loft floor; The 6-freeing port; The 7-water-stop sheet; The 8-transparent glass tube; The 9-bracing frame; The 10-wastewater trough; 11-the second by-pass valve control; 12-the first by-pass valve control.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
as shown in Figure 1, a kind of test unit for simulation weathering, comprise water inlet pipe 1, water inlet 2, the first by-pass valve control 12, water tank 3, water-stop sheet 7, Waste water screen 4, transparent glass tube 8, bracing frame 9, mould loft floor 5, freeing port 6, the second by-pass valve control 11 and wastewater trough 10, water inlet 2 is arranged on the top of water tank 3, connect water inlet pipe 1 on water inlet 2, the first by-pass valve control 12 is set on this water inlet 2, water-stop sheet 7 is arranged on the bottom of water tank 3, Waste water screen 4 is arranged on water-stop sheet 7 belows, transparent glass tube 8 is arranged on the sidewall of water tank 3, and the top and bottom of transparent glass tube 8 all are communicated with water tank 3, the below of Waste water screen 4 arranges bracing frame 9, bracing frame 9 belows arrange wastewater trough 10, place mould loft floor 5 at bracing frame 9 and 10 of wastewater troughs, the bottom of wastewater trough 10 arranges freeing port 6, the second by-pass valve control 11 is set on this freeing port 6.
Wherein, water tank 3, bracing frame 9 and wastewater trough 10 can be integrated.Water inlet pipe 1 adopts the soft rubber leather hose.Transparent glass tube 8 adopts organic glass, is carved with scale on described organic glass, and this scale millimeter is unit.Transparent glass tube 8 high scales are 0 ~ 500mm.Water tank 3 is cylindric, and the diameter of water tank 3 is 400mm, and height is 510mm, adopts stainless steel material.Mould loft floor 5 materials adopt stainless steel wire, and mould loft floor 5 is grid-like for right-angled intersection, and the area of each grid is 25mm 2Wastewater trough 10 adopts tinned sheet iron.Control respectively the Inlet and outlet water speed of water inlet 2 and freeing port 6 by the first by-pass valve control 12 and the second by-pass valve control 11, keep the water level in water tank 3, the weathering test in simulation different in flow rate situation; On the water tank side, transparent glass tube is housed, water level situation in the observation water tank; Described Waste water screen is replaceable is the Waste water screen of different pore size, in the situation that quantity of water in water tank is fixing, and the weathering test of simulation different flow; Described mould loft floor is made latticed, has reduced the impact of ponding on the weathering test; The bottom of support frame as described above is provided with wastewater trough, is used for collecting the waste water after weathering is tested.
As shown in Fig. 2 a and Fig. 2 b, the aperture of Waste water screen can arrange in experimental requirement.
The test unit that is used for simulation weathering is as follows in installation:
1, lay water-stop sheet 7, sample is put on mould loft floor 5.
2, lay suitable Waste water screen by testing requirements.
3, the fix weathering test of different flow in the head situation connects step 2; The soft rubber leather hose is being connected with water inlet 2, is regulating the first by-pass valve control 12, making the interior water of water tank 3 reach designated value, regulating the first by-pass valve control 12 and keep the water yield constant.
4, lay the Waste water screen 4 of different pore size, extract water-stop sheet 7 out, carry out the weathering test.
5, do the test of varying head weathering, connect step 2; At first put water-stop sheet well, in the situation that use same Waste water screen 4, regulate the first by-pass valve control 12, make the interior water level of water tank 3 be in diverse location, carry out the weathering test.
6, do contrast and reinforce the anti-weathering strength test in front and back, connect step 2; The dissociation time t of ruins body under rainfall erosion before and after record is reinforced, dissociation time, t was longer, and the anti-weathering effect of testimonial material is better.Choose on the other hand identical weathering test period t1(t1
Figure 2013101043847100002DEST_PATH_IMAGE001
T), ruins body before and after calculate reinforcing is in the situation that the mass loss rate of identical weathering time, thereby from the effect of two aspects checking reinforcement materials, chooses suitable reinforcement material.
7, observe sample in the phenomenon of weathering process, Taking Pictures recording records the dissociation time under the sample different situations.
8, during off-test, freeing port 6 is opened, got rid of the waste water in wastewater trough 10.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment, the present invention is had been described in detail, for a person skilled in the art, it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (9)

1. test unit that is used for simulation weathering, it is characterized in that, comprise water inlet pipe, water inlet, the first by-pass valve control, water tank, water-stop sheet, Waste water screen, transparent glass tube, bracing frame, mould loft floor, freeing port, the second by-pass valve control and wastewater trough, described water inlet is arranged on the top of water tank, connect water inlet pipe on described water inlet, the first by-pass valve control is set on this water inlet, described water-stop sheet is arranged on the bottom of water tank, described Waste water screen is arranged on below water-stop sheet, described transparent glass tube is arranged on the sidewall of water tank, and the top and bottom of transparent glass tube all are communicated with water tank, the below of described Waste water screen arranges bracing frame, the bracing frame below arranges wastewater trough, place mould loft floor between bracing frame and wastewater trough, the bottom of described wastewater trough arranges freeing port, the second by-pass valve control is set on this freeing port.
2. the test unit for simulation weathering according to claim 1, is characterized in that, described water tank, bracing frame and wastewater trough are integrated.
3. the test unit for simulation weathering according to claim 1 and 2, is characterized in that, described water inlet pipe adopts the soft rubber leather hose.
4. the test unit for simulation weathering according to claim 1 and 2, is characterized in that, described transparent glass tube adopts organic glass, is carved with scale on described organic glass, and this scale millimeter is unit.
5. the test unit for simulation weathering according to claim 4, is characterized in that, described transparent glass tube high scale is 0 ~ 500mm.
6. the test unit for simulation weathering according to claim 1, is characterized in that, described water tank is cylindric, and the diameter of water tank is 400mm, and height is 510mm, adopts stainless steel material.
7. the test unit for simulation weathering according to claim 1, is characterized in that, described mould loft floor material adopts stainless steel wire, and mould loft floor is the grid-like of right-angled intersection, and the area of each grid is 25mm 2
8. the test unit for simulation weathering according to claim 1, is characterized in that, described wastewater trough adopts tinned sheet iron.
9. the test unit for simulation weathering according to claim 1 and 2, is characterized in that, by regulating the Inlet and outlet water speed of the first by-pass valve control, controls the SEA LEVEL VARIATION in water tank, the weathering test in simulation different in flow rate situation; On the water tank side, transparent glass tube is housed, water level situation in the Observable water tank; Described Waste water screen is replaceable is the Waste water screen of different pore size, in the situation that quantity of water in water tank is fixing, and the weathering test of simulation different flow; Described mould loft floor is made latticed, has reduced the impact of ponding on the weathering test; The bottom of support frame as described above is provided with wastewater trough, is used for collecting the waste water after weathering is tested.
CN201310104384.7A 2013-03-28 2013-03-28 Testing device for simulating rainfall erosion Expired - Fee Related CN103175773B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964912A (en) * 2015-06-19 2015-10-07 河海大学 Indoor acceleration simulation method for asphalt long-term aging and water damage coupling effects
CN105973789A (en) * 2016-04-29 2016-09-28 敦煌研究院 Rain erosion simulation device for soil relics
CN111044704A (en) * 2019-12-03 2020-04-21 南昌大学 Pipeline dissolution test equipment and method based on soil body internal erosion
WO2022021904A1 (en) * 2020-07-26 2022-02-03 麦加芯彩新材料科技(上海)股份有限公司 Rain erosion test device and system

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Publication number Priority date Publication date Assignee Title
US5243850A (en) * 1990-04-11 1993-09-14 The United States Of America As Represented By The Secretary Of Agriculture Soil erodibility testing
CN2491827Y (en) * 2001-08-31 2002-05-15 中国科学院金属研究所 Raining simulation tester
CN1699962A (en) * 2005-06-17 2005-11-23 哈尔滨工业大学 Rainwash protection simulation experiment apparatus
CN201653876U (en) * 2010-04-20 2010-11-24 浙江工业大学 Indoor soil corrosion simulator
CN201692901U (en) * 2010-07-08 2011-01-05 贵州师范大学 Artificial simulated rainfall experiment device
CN201921766U (en) * 2010-12-29 2011-08-10 西安理工大学 Syringe type rainfall simulation device
CN102313628A (en) * 2011-07-06 2012-01-11 上海林频仪器股份有限公司 Swing pipe shower testing apparatus
CN202512049U (en) * 2012-03-06 2012-10-31 中国联合工程公司 Rainfall device
CN202587987U (en) * 2012-03-05 2012-12-12 范颖芳 Artificial rain-making simulating device
CN203117085U (en) * 2013-03-28 2013-08-07 兰州大学 Test unit for simulating rain erosion

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243850A (en) * 1990-04-11 1993-09-14 The United States Of America As Represented By The Secretary Of Agriculture Soil erodibility testing
CN2491827Y (en) * 2001-08-31 2002-05-15 中国科学院金属研究所 Raining simulation tester
CN1699962A (en) * 2005-06-17 2005-11-23 哈尔滨工业大学 Rainwash protection simulation experiment apparatus
CN201653876U (en) * 2010-04-20 2010-11-24 浙江工业大学 Indoor soil corrosion simulator
CN201692901U (en) * 2010-07-08 2011-01-05 贵州师范大学 Artificial simulated rainfall experiment device
CN201921766U (en) * 2010-12-29 2011-08-10 西安理工大学 Syringe type rainfall simulation device
CN102313628A (en) * 2011-07-06 2012-01-11 上海林频仪器股份有限公司 Swing pipe shower testing apparatus
CN202587987U (en) * 2012-03-05 2012-12-12 范颖芳 Artificial rain-making simulating device
CN202512049U (en) * 2012-03-06 2012-10-31 中国联合工程公司 Rainfall device
CN203117085U (en) * 2013-03-28 2013-08-07 兰州大学 Test unit for simulating rain erosion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964912A (en) * 2015-06-19 2015-10-07 河海大学 Indoor acceleration simulation method for asphalt long-term aging and water damage coupling effects
CN104964912B (en) * 2015-06-19 2017-11-03 河海大学 A kind of speeding-up simulation method in pitch long-term ageing and Moisture Damage coupling room
CN105973789A (en) * 2016-04-29 2016-09-28 敦煌研究院 Rain erosion simulation device for soil relics
CN111044704A (en) * 2019-12-03 2020-04-21 南昌大学 Pipeline dissolution test equipment and method based on soil body internal erosion
WO2022021904A1 (en) * 2020-07-26 2022-02-03 麦加芯彩新材料科技(上海)股份有限公司 Rain erosion test device and system

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