CN106018161B - Porous asphalt water evaporation quantity test device - Google Patents
Porous asphalt water evaporation quantity test device Download PDFInfo
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- CN106018161B CN106018161B CN201610556626.XA CN201610556626A CN106018161B CN 106018161 B CN106018161 B CN 106018161B CN 201610556626 A CN201610556626 A CN 201610556626A CN 106018161 B CN106018161 B CN 106018161B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
The invention belongs to ground surface material technical field of performance test, it is related to a kind of porous asphalt water evaporation quantity test device, including leveling base, meausring apparatus, test specimen placing groove, watering device, mobile light irradiation apparatus, temperature-humidity detecting device, seepage tank and lattice support frame；Test specimen placing groove and meausring apparatus are successively set on leveling base from top to bottom；Test specimen placing groove is overall U-shaped；Lattice support frame is laid on inside test specimen placing groove, and lattice support frame bottom is provided with the seepage tank to connect with lattice support frame；The water conservancy diversion inclined-plane to connect with test specimen to be measured is provided on test specimen placing groove inner wall；Watering device and mobile light irradiation apparatus are arranged at the opening of test specimen placing groove and directly act on test specimen to be measured；Temperature-humidity detecting device is embedded in test specimen to be measured.The present invention provides one kind to provide the porous asphalt water evaporation quantity test device of certain reference frame for the research on porous asphalt road surface.
Description
Technical field
The invention belongs to ground surface material technical field of performance test, are related to a kind of water evaporation quantity test device, especially relate to
And a kind of porous asphalt water evaporation quantity test device.
Background technique
In recent years, since urban population is concentrated, industry prosperity, traffic jam, atmosphere pollution is serious, and the building in city
It is mostly that stone and concrete are built up, its pyroconductivity and thermal capacity is all very high, so that city average temperature of the whole year can than suburb
2 DEG C high, even more, city is like a warm island, to form urban heat land effect.
Currently, urban road mainly uses bituminous concrete, the reflectivity of material itself is lower, has solar radiation on daytime
Under conditions of, a large amount of solar radiant heat is absorbed, is distributed in the form of radiation to entire city in night energy, while these
Structure is again waterproof, has blocked the Water Cycle in city scope, has reduced heat of gasification, has been further exacerbated by the heat island in city
Effect.Therefore, road worker both domestic and external is studying several cooling type road surfaces, mainly includes road surface heat-reflective coating, saturating
Ability of swimming road surface, water conservation formula road surface and thermal resistance pavement structure, the problem of to alleviate urban heat land effect and water on urban streets.
Porous asphalt is obtained since it has the function of superior draining, noise reduction and antiskid in Japan and other countries
Large-scale application is arrived, but since the thermal conductance of porous asphalt is poor, on daytime, the mixing of macrovoid pitch
The surface temperature in material tube face is higher than the temperature of other dense bitumen mixtures, in order to extenuate tropical island effect, road research
Person thinks that macrovoid road surface can reduce the temperature of road surface by the evaporation of moisture when having certain water retaining function,
Therefore, it is necessary to study the ownership of porous asphalt road surface moisture, evaporation capacity and porous asphalt roads
The temperature and humidity situation of change on surface.
Currently, the water evaporation quantity for being used to test asphaltic road-mix surface course and road table the temperature and humidity variation not standardized
Indoor testing equipment.
Summary of the invention
Become based on the water evaporation quantity for being used to test asphaltic road-mix surface course and road table temperature and humidity currently without specification
The indoor testing equipment of change, the present invention provides one kind to provide certain reference for the research on porous asphalt road surface
The porous asphalt water evaporation quantity test device of foundation.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of porous asphalt water evaporation quantity test device, it is characterised in that: the macrovoid pitch mixing
Material water evaporation quantity test device include leveling base, meausring apparatus, test specimen placing groove, watering device, mobile light irradiation apparatus,
Temperature-humidity detecting device, seepage tank and lattice support frame；The test specimen placing groove and meausring apparatus are successively set from top to bottom
It sets on leveling base；The test specimen placing groove is overall U-shaped；The lattice support frame is laid on inside test specimen placing groove, institute
It states lattice support frame bottom and is provided with the seepage tank to connect with lattice support frame；Test specimen to be measured is placed on lattice support frame；Institute
State the water conservancy diversion inclined-plane for being provided on test specimen placing groove inner wall and connecting with test specimen to be measured；The watering device and mobile illumination are set
It is standby to be arranged at the opening of test specimen placing groove and directly act on test specimen to be measured；The temperature-humidity detecting device be embedded in
In test block.
Preferably, porous asphalt water evaporation quantity test device of the present invention further includes spill
Slot, the test specimen placing groove, baltimore groove and meausring apparatus are successively set on leveling base from top to bottom.
Preferably, watering device of the present invention includes spray head, aqueduct, flowmeter and water pump；The water
Pump is connected by aqueduct and spray head；The spray head is arranged in the opening of test specimen placing groove and directly acts on test specimen to be measured
On；Flowmeter is provided on the aqueduct.
Preferably, watering device of the present invention further includes the flow control valve being arranged on aqueduct.
Preferably, temperature-humidity detecting device of the present invention includes temperature sensor, humidity sensor and temperature
Hygrograph；The temperature and humidity recorder is arranged on the outer wall of test specimen placing groove；The temperature sensor and humidity pass
Sensor is embedded in test specimen to be measured；The temperature sensor and humidity sensor are connected with temperature and humidity recorder respectively.
Preferably, movable type light irradiation apparatus of the present invention include mobile lamp holder and with mobile lamp holder phase
Light source even；The movable type lamp holder is placed in outside leveling base；The opening of test specimen placing groove and straight is arranged in the light source
It connects and is radiated on test specimen to be measured.
Preferably, movable type light irradiation apparatus of the present invention is one or more groups of；The movable type light irradiation apparatus
When being multiple groups, multiple groups movable type light irradiation apparatus is uniformly arranged on the outside of leveling base.
Preferably, meausring apparatus of the present invention includes electronic scale；The test specimen placing groove and baltimore groove are certainly
It is successively set on electronic scale under above；The electronic scale is horizontally placed on leveling base.
Preferably, the upper surface of electronic scale of the present invention is provided with the bubble for leveling.
The invention has the advantages that
A kind of porous asphalt water evaporation quantity test device of the present invention, including leveling base, meausring apparatus, examination
Part placing groove, watering device, mobile light irradiation apparatus, temperature-humidity detecting device, seepage tank and lattice support frame；Test specimen is placed
Slot and meausring apparatus are successively set on leveling base from top to bottom；Test specimen placing groove is overall U-shaped；Lattice support frame is laid with
Inside test specimen placing groove, lattice support frame bottom is provided with the seepage tank to connect with lattice support frame；Test specimen to be measured is placed in
On lattice support frame；The water conservancy diversion inclined-plane to connect with test specimen to be measured is provided on test specimen placing groove inner wall；Watering device and movement
Formula light irradiation apparatus is arranged at the opening of test specimen placing groove and directly acts on test specimen to be measured；Temperature-humidity detecting device is inlayed
In test specimen to be measured.The present invention in surface of test piece uniform sprinkling to be measured and can control watering amount by sprinkler,
Moisture enters test specimen to be measured, flows into seepage tank, is embedded with Temperature Humidity Sensor in test specimen to be measured, is recorded in water evaporation process
The temperature and humidity situation of change of surface of test piece, and porous asphalt can be weighed within a certain period of time by weighing equipment
Water evaporation quantity, the present invention can be the moisture ownership and evaporation capacity on porous asphalt road surface or water-retaining property road surface
Research a kind of laboratory test test device is provided.Porous asphalt water evaporation quantity test dress provided by the present invention
It sets, to provide certain reference frame for the research on porous asphalt road surface.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of porous asphalt water evaporation quantity test device provided by the present invention；
Label is described as follows in figure:
1- leveling base；2- electronic scale；3- bubble；4- movable type lamp holder；5- baltimore groove；6- test specimen placing groove；7- seepage flow
Slot；8- lattice support frame；9- test specimen to be measured；10- spray head；11- light source；12- aqueduct；13- flowmeter；14- flow control valve；
15- temperature sensor；16- humidity sensor；17- temperature and humidity recorder；18- water pump.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawing, but the present invention is not limited only to embodiment disclosed below,
Unknown place is shown in Summary.
Referring to Fig. 1, the present invention provides a kind of porous asphalt water evaporation quantity test devices, including leveling bottom
Seat 1, meausring apparatus, test specimen placing groove 6, watering device, mobile light irradiation apparatus, temperature-humidity detecting device, seepage tank 7 and net
Lattice support frame 8；Test specimen placing groove 6 and meausring apparatus are successively set on from top to bottom on leveling base 1；Test specimen placing groove 6 is whole
Body is in U-shape；Lattice support frame 8 is laid on inside test specimen placing groove 6, and 8 bottom of lattice support frame is provided with and 8 phase of lattice support frame
The seepage tank 7 of perforation；Test specimen 9 to be measured is placed on lattice support frame 8；It is provided on 6 inner wall of test specimen placing groove and 9 phase of test specimen to be measured
The water conservancy diversion inclined-plane connect；Watering device and mobile light irradiation apparatus are arranged at the opening of test specimen placing groove 6 and directly act on
In on test specimen 9 to be measured；Temperature-humidity detecting device is embedded in test specimen 9 to be measured.Lattice support frame 8 supports the weight of test specimen 9 to be measured,
The moisture of surface of test piece is flowed into seepage tank 7 by the grid in lattice support frame 8.
Porous asphalt water evaporation quantity test device further includes baltimore groove 5, test specimen placing groove 6, baltimore groove 5 with
And meausring apparatus is successively set on from top to bottom on leveling base 1.
Wherein:
Watering device includes spray head 10, aqueduct 12, flowmeter 13, flow control valve 14 and water pump 18；Water pump 18 is logical
Aqueduct 12 is crossed to connect with spray head 10；Spray head 10 is arranged in the opening of test specimen placing groove 6 and directly acts on test specimen 9 to be measured
On；Flowmeter 13 and flow control valve 14 are provided on aqueduct 12.
Temperature-humidity detecting device includes temperature sensor 15, humidity sensor 16 and temperature and humidity recorder 17；Temperature and humidity
Recorder 17 is arranged on the outer wall of test specimen placing groove 6；Temperature sensor 15 and humidity sensor 16 are embedded in be tested
In part 9；Temperature sensor 15 and humidity sensor 16 are connected with temperature and humidity recorder 17 respectively.
Mobile light irradiation apparatus includes mobile lamp holder 4 and the light source 11 that is connected with mobile lamp holder 4；Mobile lamp holder
4 are placed in outside leveling base 1；The opening of test specimen placing groove 6 and direct irradiation is arranged on test specimen 9 to be measured in light source 11.It moves
Dynamic formula light irradiation apparatus is one or more groups of；When mobile light irradiation apparatus is multiple groups, multiple groups movable type light irradiation apparatus is uniformly arranged
1 outside of leveling base.
Meausring apparatus includes electronic scale 2；Test specimen placing groove 6 and baltimore groove 5 are successively set on electronic scale 2 from top to bottom
On；Electronic scale 2 is horizontally placed on leveling base 1.The upper surface of electronic scale 2 is provided with the bubble 3 for leveling.
Working method of the invention is:
Watering device is in 9 surface uniform sprinkling of test specimen to be measured and can control watering amount, and moisture enters test specimen 9 to be measured,
Seepage tank 7 is flowed into, mobile light irradiation apparatus is used to improve the temperature on 9 surface of test specimen to be measured, and temperature biography is embedded in test specimen 9 to be measured
Sensor 15 and humidity sensor 16, are recorded in the temperature and humidity situation of change of surface of test piece in water evaporation process, and pass through title
Amount device can weigh the water evaporation quantity of porous asphalt within a certain period of time.
Embodiment 1:
The test specimen 9 of a length of 15cm, width 15cm, a height of 5cm are prepared for testing, and at it apart from test specimen upper surface to be measured
Temperature sensor 15 and humidity sensor 16 are buried in the position of 2cm, and the connecting line of Temperature Humidity Sensor is from the surface of test specimen 9 to be measured
It is pierced by access temperature and humidity recorder 17, temperature and humidity recorder 17 is fixed on the hook of 6 side of test specimen placing groove, adjusts electronic scale
2, so that its bubble 3 is located at center, baltimore groove 5 and 6 displacement electron of test specimen placing groove deserve to be called 2, when not placing test specimen slot 6,
The scale for adjusting electronic scale 2 is 0, and test specimen 9 to be measured is placed in 6 in test specimen placing groove together together with Temperature Humidity Sensor, is recorded
The quality shown on electronic scale 2 is M1, the connection aqueduct 12 of water pump 18, setting flowmeter 13 and flow control on aqueduct 12
The end of valve 14, aqueduct 12 connects spray head 10, and the watering amount of spray head 10 is controlled by flowmeter 13 and electronic scale 2, sprinkles water
After the completion, after stable reading, the reading M of electronic scale 2 is recorded2, and start timing T1, the biodiversity in test specimen placing groove is M2-
M1, for the moisture on 9 surface of test specimen to be measured all after lower infiltration, portion of water is trapped in the inside of test specimen 9 to be measured, another partial moisture stream
Enter and stored in seepage tank 7, opens Temperature Humidity Sensor, and the temperature and humidity situation inside separated in time record test specimen, it is mobile
Light irradiation apparatus adjusts height and angle of the light source 11 apart from surface of test piece 9 to be measured, irradiates after a certain period of time in light source, record electricity
The mass M of sub- scale3, time T2, the evaporation capacity of moisture is (M2-M1-M3)/(T2-T1).After test, weigh in seepage tank
The mass M of moisture4, the moisture-holding capacity in test specimen to be measured is M2-M1-M4。
The test of following several respects research contents can be carried out using the invention: (1) identical light application time under the conditions of,
When recording no moisture by Temperature Humidity Sensor and having moisture to penetrate into test specimen to be measured, the temperature and humidity of test specimen to be measured changes feelings
Condition；(2) under the conditions of same light is shone, the additional amount of moisture and the relationship of water evaporation quantity；It (3), can under the conditions of same light is shone
To study the relationship of different porosities bitumen mixture specimen water evaporation quantity and porosity；It (4), can under the conditions of same light is shone
To test the relationship of different-thickness porous asphalt test specimen water quantity and evaporation capacity；(5) in identical illumination
Between under the conditions of, the moisture-holding capacity of test specimen to be measured and the relationship of evaporation capacity can be tested.
Claims (7)
1. a kind of porous asphalt water evaporation quantity test device, it is characterised in that: the porous asphalt
Water evaporation quantity test device includes leveling base (1), meausring apparatus, test specimen placing groove (6), watering device, mobile illumination
Equipment, temperature-humidity detecting device, seepage tank (7) and lattice support frame (8)；The test specimen placing groove (6) and meausring apparatus
It is successively set on leveling base (1) from top to bottom；The test specimen placing groove (6) is overall U-shaped；The lattice support frame (8)
It is internal to be laid on test specimen placing groove (6), lattice support frame (8) bottom is provided with the infiltration to connect with lattice support frame (8)
Chute (7)；Test specimen (9) to be measured is placed on lattice support frame (8)；Be provided on test specimen placing groove (6) inner wall with it is to be tested
The water conservancy diversion inclined-plane that part (9) connects；The watering device and mobile light irradiation apparatus are arranged at the opening of test specimen placing groove (6)
Place simultaneously directly acts on test specimen to be measured (9)；The temperature-humidity detecting device is embedded in test specimen to be measured (9)；The watering dress
It sets including spray head (10), aqueduct (12), flowmeter (13) and water pump (18)；The water pump (18) by aqueduct (12) with
Spray head (10) connects；The spray head (10) is arranged the opening in test specimen placing groove (6) and directly acts on test specimen to be measured (9)
On；Flowmeter (13) are provided on the aqueduct (12)；The movable type light irradiation apparatus include mobile lamp holder (4) and with
The connected light source (11) of mobile lamp holder (4)；It is external that the movable type lamp holder (4) is placed in leveling base (1)；The light source (11)
Opening and direct irradiation in test specimen placing groove (6) are set on test specimen to be measured (9).
2. porous asphalt water evaporation quantity test device according to claim 1, it is characterised in that: described big
Hole asphalt water evaporation quantity test device further includes baltimore groove (5), the test specimen placing groove (6), baltimore groove (5) with
And meausring apparatus is successively set on from top to bottom on leveling base (1).
3. porous asphalt water evaporation quantity test device according to claim 1, it is characterised in that: described to spill
Water installations further include the flow control valve (14) being arranged on aqueduct (12).
4. porous asphalt water evaporation quantity test device according to claim 3, it is characterised in that: the temperature
Humidity detector includes temperature sensor (15), humidity sensor (16) and temperature and humidity recorder (17)；The temperature and humidity
Recorder (17) is arranged on the outer wall of test specimen placing groove (6)；The temperature sensor (15) and humidity sensor (16) are equal
It is embedded in test specimen to be measured (9)；The temperature sensor (15) and humidity sensor (16) respectively with temperature and humidity recorder
(17) it is connected.
5. porous asphalt water evaporation quantity test device according to claim 1, it is characterised in that: the shifting
Dynamic formula light irradiation apparatus is one or more groups of；When the movable type light irradiation apparatus is multiple groups, multiple groups movable type light irradiation apparatus is laid
It sets on the outside of leveling base (1).
6. porous asphalt water evaporation quantity test device according to claim 1, it is characterised in that: the title
Measuring device includes electronic scale (2)；The test specimen placing groove (6) and baltimore groove (5) are successively set on electronic scale (2) from top to bottom
On；The electronic scale (2) is horizontally placed on leveling base (1).
7. porous asphalt water evaporation quantity test device according to claim 6, it is characterised in that: the electricity
The upper surface of sub- scale (2) is provided with the bubble (3) for leveling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610556626.XA CN106018161B (en) | 2016-07-14 | 2016-07-14 | Porous asphalt water evaporation quantity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610556626.XA CN106018161B (en) | 2016-07-14 | 2016-07-14 | Porous asphalt water evaporation quantity test device |
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| Publication Number | Publication Date |
|---|---|
| CN106018161A CN106018161A (en) | 2016-10-12 |
| CN106018161B true CN106018161B (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610556626.XA Active CN106018161B (en) | 2016-07-14 | 2016-07-14 | Porous asphalt water evaporation quantity test device |
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| CN (1) | CN106018161B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132150B (en) * | 2017-06-28 | 2019-11-15 | 河海大学 | Previous bituminous pavement evaporation rate test method |
| CN113900464B (en) * | 2021-09-30 | 2022-05-13 | 河南省光大路桥工程有限公司 | Foam warm mix asphalt adds water control measurement system |
Citations (5)
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|---|---|---|---|---|
| EP1170582A1 (en) * | 1999-01-18 | 2002-01-09 | Kunitaka Mizobe | Device and method for measuring moisture permeability |
| CN101968418A (en) * | 2010-10-26 | 2011-02-09 | 南京林业大学 | Displacement type lysimeter |
| CN203929554U (en) * | 2014-05-14 | 2014-11-05 | 北京市农林科学院 | A kind of indoor soil evaporation simulation and self-operated measuring unit |
| CN105445140A (en) * | 2016-01-22 | 2016-03-30 | 成都汉维斯科技有限公司 | Evaporation testing method based on weighing method |
| CN205879718U (en) * | 2016-07-14 | 2017-01-11 | 山西省交通科学研究院 | Large porous asphalt mixture evaporation of water volume testing arrangement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661965A (en) * | 2012-05-28 | 2012-09-12 | 哈尔滨工业大学 | Comprehensive indoor solar photo-thermal environment simulator for pavements |
-
2016
- 2016-07-14 CN CN201610556626.XA patent/CN106018161B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1170582A1 (en) * | 1999-01-18 | 2002-01-09 | Kunitaka Mizobe | Device and method for measuring moisture permeability |
| CN101968418A (en) * | 2010-10-26 | 2011-02-09 | 南京林业大学 | Displacement type lysimeter |
| CN203929554U (en) * | 2014-05-14 | 2014-11-05 | 北京市农林科学院 | A kind of indoor soil evaporation simulation and self-operated measuring unit |
| CN105445140A (en) * | 2016-01-22 | 2016-03-30 | 成都汉维斯科技有限公司 | Evaporation testing method based on weighing method |
| CN205879718U (en) * | 2016-07-14 | 2017-01-11 | 山西省交通科学研究院 | Large porous asphalt mixture evaporation of water volume testing arrangement |
Non-Patent Citations (1)
| Title |
|---|
| 大孔隙透水沥青路面对城市热岛效应的影响分析;张新;《中国优秀博硕士学位论文全文数据库 (硕士) 工程科技Ⅱ辑》;20070615(第06期);正文第4章 |
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