CN111220534A - Multi-factor coupling aging simulation device for asphalt mixture - Google Patents
Multi-factor coupling aging simulation device for asphalt mixture Download PDFInfo
- Publication number
- CN111220534A CN111220534A CN202010147056.5A CN202010147056A CN111220534A CN 111220534 A CN111220534 A CN 111220534A CN 202010147056 A CN202010147056 A CN 202010147056A CN 111220534 A CN111220534 A CN 111220534A
- Authority
- CN
- China
- Prior art keywords
- water
- plate
- ultraviolet
- frame body
- aging
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses an asphalt mixture multi-factor coupling aging simulation device, which comprises a frame body, a heating storage box movably arranged at the bottom of the frame body, a hollow storage plate arranged at the upper part of the heating storage box, and a water-ultraviolet coupling mechanism arranged at the upper part of the storage plate and adjustable in distance from the storage plate, wherein the water-ultraviolet coupling mechanism comprises a water dropping plate and an ultraviolet radiation plate which are detachably fixed on the frame body, and water dropping holes in the water dropping plate are mutually crossed with ultraviolet lamps in the ultraviolet radiation plate and are used for enabling water drops to flow out from the side edges of the ultraviolet lamps; and a water supply source is connected to the water dropping plate, and an environment temperature control box is arranged around the frame body. The invention can simultaneously consider the influence of thermo-oxidative aging, water damage and ultraviolet rays on the performance of the OGFC, has the aging simulation of the OGFC by single factor and coupling effect of two factors, and has wider applicability.
Description
Technical Field
The invention relates to an aging simulation device, in particular to an asphalt mixture multi-factor coupling aging simulation device.
Background
Thermal oxidative aging, water damage and illumination (ultraviolet) aging of asphalt and asphalt mixtures (OGFC) are main research objects and subjects of scholars at home and abroad, and are main standards for inspecting and evaluating new technologies, new materials and the suitability of the asphalt pavements. The research shows that: in actual road surfaces, the pavement performance of asphalt mixtures such as OGFC is influenced by comprehensive factors such as ambient temperature, moisture and illumination, and diseases such as aging and water loss occur along with the increase of time.
In the prior art, most of asphalt aging researches only take the influence of single natural factors on the performances of asphalt and asphalt mixtures into consideration, or sequentially age the mixtures by using different test devices. Because the testing instrument and the evaluation method are old, and the multi-factor synchronization function simulation cannot be realized, the existing test cannot restore the actual condition to the maximum extent when the asphalt material is aged. Although test instruments for simulating the coupling effect of thermal oxidation aging and water damage on asphalt have been designed in the existing research and a good simulation effect is obtained in the experiment, the invention devices do not fully consider the influence of the interaction of more important factors such as temperature, oxygen, water and illumination in the environment on the performance of asphalt and asphalt mixture.
Aiming at areas with abundant rainfall and sufficient sunshine, particularly tropical and subtropical areas with particularly frequent hydrothermal alternation, the comprehensive aging of the asphalt mixture is particularly obvious under the synchronous action of multiple factors such as thermal oxygen, illumination, ultraviolet rays and the like, but the prior art cannot synchronously and relatively reduce and simulate the multiple influencing factors.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an asphalt mixture multi-factor coupling aging simulation device capable of simultaneously simulating the influence of single factor, double-factor coupling and multi-factor coupling on OGFC performance.
The technical scheme is as follows: the invention relates to an asphalt mixture multi-factor coupling aging simulation device, which comprises a frame body, a heating storage box movably arranged at the bottom of the frame body, a hollow storage plate arranged at the upper part of the heating storage box, and a water-ultraviolet coupling mechanism arranged at the upper part of the storage plate and adjustable in distance from the storage plate, wherein the water-ultraviolet coupling mechanism comprises a water dropping plate and an ultraviolet radiation plate which are detachably fixed on the frame body, and water dropping holes in the water dropping plate and ultraviolet lamps in the ultraviolet radiation plate are arranged in a mutually crossed manner and are used for enabling water drops to flow out from the side edges of the ultraviolet lamps; and a water supply source is connected to the water dropping plate, and an environment temperature control box is arranged around the frame body.
Preferably, the water supply source is a liquid cooling water collecting top cover which is arranged at the top of the frame body and has an adjustable distance with the water-ultraviolet coupling mechanism.
Preferably, the drip plate and the ultraviolet radiation plate are disposed one above the other.
Preferably, the water dropping hole and the ultraviolet lamp are arranged to intersect with each other in a horizontal direction.
Preferably, the ultraviolet lamp is an ultraviolet lamp bead, and a dripping channel communicated with the dripping hole is arranged between the ultraviolet lamp beads.
Preferably, the ultraviolet radiation plate comprises an upper shell, a middle rubber waterproof layer and a lower ultraviolet lamp mounting plate.
Preferably, the temperature control device also comprises a temperature regulator for regulating the temperature of the heating storage box, a storage plate with holes erected in the heating storage box, and a heating resistor arranged in the heating storage box.
Preferably, the liquid cooling water-collecting top cover comprises a water tank, wherein a water filling port communicated with the water pump and a water collecting plate communicated with a water outlet of the water tank are arranged on the water tank.
Preferably, the water-ultraviolet coupling mechanism is installed on the frame body through a fixing frame, a sliding plate with scales is arranged on the lower portion of the liquid cooling water-collecting top cover, a sliding groove matched with the sliding plate is formed in the fixing frame, and the height of the sliding plate and the sliding groove is adjusted through a limiting device.
Preferably, the number of the drip holes used is adjusted by rubber stoppers provided on the drip holes.
Has the advantages that: compared with the prior art, the invention can obtain the following beneficial effects: 1. the method can simultaneously consider the influence on the performance of the OGFC under the combined action of thermal-oxidative aging, water damage and ultraviolet rays, has the aging simulation on the OGFC under the coupling action of a single factor and two factors, and has wider applicability. 2. Easy manufacture, simple operation, safety and reliability.
Drawings
FIG. 1 is a perspective view of the device body of the present invention;
FIG. 2 is a front view of the device body of the present invention;
FIG. 3 is a bottom pull type heating storage compartment of the present invention;
FIG. 4 is a multiple well shelf of the present invention;
FIG. 5 is a stainless steel bearing plate of the present invention;
FIG. 6 is a stainless steel tube grid plate of the present invention;
FIG. 7 is a schematic structural diagram of the water-UV coupling mechanism 4 of the present invention;
FIG. 8 is a schematic view of a perforated drip plate configuration of the present invention;
FIG. 9 is a schematic view of several drip hole applications of the present invention;
FIG. 10 is a schematic diagram of the structure of the UV radiation plate of the present invention;
FIG. 11 is a graph of the ultraviolet lamp bead radiation profile of the present invention;
FIG. 12 is a schematic view of the mode of operation of the ultraviolet lamp bead of the present invention;
FIG. 13 is a schematic view of the assembly of the mounting bracket and the liquid-cooled water-collecting top cap of the present invention;
fig. 14 is a liquid-cooled water-collecting top plate of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings.
As shown in fig. 1-12, wherein: 1. a frame body; 101. a combined rack; 102. a vent; 2. heating the storage box; 201. a storage plate with holes; 202. a heating resistor; 203. a handle; 204. a power line; 205. a highest water line; 206. a rubber seal ring; 3. a storage plate; 301. a bearing plate; 302. a stainless steel grating plate; 4. a water-ultraviolet coupling mechanism; 401. a drip plate; 402. an ultraviolet radiation plate; 403. fixing a bracket; 404. a water dripping hole; 405. a rubber plug; 406. a rubber coating; 407. an ultraviolet radiation lamp group; 408. a housing; 409. a rubber waterproof layer; 410. an ultraviolet lamp mounting plate; 411. an ultraviolet lamp; 412. an external circuit; 413. aging the test piece; 414. a radiation plate internal circuit; 5. liquid cooling water collecting top cover; 501. a retractable handle; 502. a water tank; 503. a water injection port; 504. calibration; 505. a bottom water trap plate; 506. connecting an electric road junction externally; 6. and an ambient temperature control box.
As shown in fig. 1 to 4, the multi-factor coupling aging simulation device for the asphalt mixture comprises a frame body 1, wherein the frame body 1 is a hollow cuboid, and has the size of 450mm in length, 450mm in width and 470mm in height; the material of the combined rack 101 constituting the frame 1 is: the front surface is glass, the rest side walls and the bottom of the device are made of stainless steel, and the thickness of the stainless steel is 5 mm. The left and right sides of the frame 1 of this embodiment are provided with vents 102 made of stainless steel, and the size is 80mm long, 35mm wide and 117mm high. The bottom of the frame body 1 is provided with a heating storage box 2, the upper part of the heating storage box 2 is provided with a storage plate 3 for placing an aging test piece, the upper part of the storage plate 3 is provided with a water-ultraviolet coupling mechanism 4 capable of simultaneously performing two conditions of water-ultraviolet coupling, the upper part of the water-ultraviolet coupling mechanism 4 is positioned at the top end of the frame body 1 and is provided with a liquid cooling water-collecting top cover 5 and an environment temperature control box 6 surrounding the frame body 1 and used for controlling the temperature of the frame body 1. The environment temperature control box 6 is a common constant temperature device in the prior art, can be communicated with the external air and can carry out temperature regulation and constant temperature control at minus 20 ℃ to 150 ℃ so as to realize variable control of high temperature and low temperature.
As shown in fig. 3 and 4, the heating storage box 2 of the embodiment is of a drawing type, can be conveniently drawn from the frame 1, has a size of 449mm × 449mm × 150mm, is made of stainless steel, one side of the stainless steel is convenient for observation through glass, can store water, but should not exceed the highest water level line 205, a storage plate with holes 201 is arranged in the heating storage box 2, and the storage plate with holes 201 is provided with drainage holes and a lower support foot seat. The heating storage box 2 of the present embodiment is provided with a rubber packing 206 at the opening/closing position with the frame body 1 to prevent the inside water vapor from overflowing. The heating resistor 206 arranged on the inner side wall of the heating storage box 2 is a constant temperature heating resistor and is used for adjusting the temperature of water stored in the storage box; a handle 203 is provided on the outside of the heating storage box 2, and a power cord 204 is connected to an internal heating resistor 206 for switching on and off the storage box and for connecting an external temperature regulator and a power source, respectively.
As shown in fig. 5 and 6, the article placing plate 3 of this embodiment includes a bearing plate 301 installed on the frame 1, and a grid plate 302 placed on the bearing plate 301, where the bearing plate 301 and the grid plate 302 of this embodiment are made of stainless steel, and the size of the bearing plate 301 is: 450mm in length, 450mm in width and 450mm in thickness; the stainless steel grating plate 302 is formed by welding stainless steel pipes with the side length of 8mm, the length and the width of the stainless steel grating plate are the same as those of the bearing plate 301, the thickness of the stainless steel grating plate is 8mm, and the opening is large, so that water drops above the stainless steel grating plate can fall down conveniently, and water vapor below the stainless steel grating plate can rise to the liquid cooling water collecting top cover 5 to be condensed. The aging test piece 413 may be a marshall test piece or a rut plate test piece.
As shown in fig. 7 to 12, the water-ultraviolet coupling mechanism 4 includes a dropping plate 401 and an ultraviolet radiation plate 402, in this embodiment, the dropping plate 401 and the ultraviolet radiation plate 402 are disposed above and below and both detachably fixed on the frame 1 through a fixing bracket 403.
The drip plate 401 is detachably fixed on the frame 1 by a fixing bracket 403, the length and width of the drip plate 401 of this embodiment is 410 × 410mm, and the thickness of the drip plate is 6mm, the drip plate 401 is provided with drip holes 404 having a diameter of 5mm and an interval of 10mm, and the number of the drip holes 404 can be adjusted by placing rubber plugs 405 in the drip holes 404, so as to change the amount of dripping water, and several use cases of the drip holes on the drip plate 401 of this embodiment are shown in fig. 9. The inner wall of the lower end of the water dropping hole 404 is coated with a rubber coating 406 to enhance the fixing compactness with the ultraviolet radiation lamp group 407.
The ultraviolet radiation plate 402 of this embodiment has a length and width of 426mm × 426mm and a thickness of 14mm, and is composed of an upper housing 408, a middle rubber waterproof layer 409, and a bottom ultraviolet lamp mounting plate 410, and an external power line 204 is disposed at one corner. Ultraviolet lamp 411 on the ultraviolet radiation board 402 of this embodiment is ultraviolet lamp pearl, is provided with 42 groups ultraviolet radiation banks 407 on the ultraviolet radiation board 402, and every banks connection has 42 specifications to be: the diameter of the ultraviolet lamp bead is 3.5mm, the emission angle is 60 degrees, the wavelength is 390-420 nm, and the power of the ultraviolet lamp bead is 3W, and the light emitting mode of the ultraviolet lamp bead can be adjusted through the external circuit 412; wherein, the ultraviolet lamp bead radiation distribution schematic diagram when placing Marshall test piece, rut board test piece, as shown in FIG. 11a, b; fig. 12 shows the distribution uniformity of the uv rays at a certain height. The ultraviolet lamp beads of the ultraviolet radiation plate 402 are crossed with each other to form a through dripping channel corresponding to the dripping hole 404, the dripping channel of the embodiment is formed by cutting stainless steel, and the diameter of the channel is 3mm, and the height of the channel is 6 mm.
As shown in FIGS. 13 and 14, the liquid-cooled water-collecting top cover 5 of the present embodiment has dimensions of 470mm × 470mm and a thickness of 30mm, and is provided with an outlet of the external power line 204 connected with the ultraviolet radiation plate 402. The top at liquid cooling water condensation top cap 5 is provided with scalable handle 501 in this embodiment, can rise when using, can accomodate the inside space-saving of top cap when the experiment. The inside liquid of liquid cooling water accumulation top cap 5 is provided with water tank 502, and the size of this embodiment water tank 502 is 400mm 11mm, and two diameters at the accessible top are outside water pump for the circular water injection hole 503 connection of 10mm, realize the circulation of inside liquid cooling water tank 502 normal water, can further accelerate the condensation of the inside vapor of device. The water collecting plate arranged at the bottom of the liquid cooling water collecting top cover 5 in the embodiment is composed of scribed line squares with the size of 10mm multiplied by 10mm, and the total size of scribed lines is 380mm multiplied by 380 mm. The lower part of the liquid cooling water collecting top cover 5 is provided with a sliding plate with scales 504, the fixing frame 403 is provided with a sliding groove matched with the sliding plate, and the height between the sliding plate and the sliding groove is adjusted through a limiting device. In the embodiment, the distance between the water-ultraviolet coupling mechanism 4 and the aging test piece 413 is adjusted by nuts arranged on the sliding chute and the sliding plate.
The working process is as follows:
first, single factor aging test:
the actual test can also be other single factors, and the single factors of the embodiment comprise ① high-temperature oxidation, low-temperature aging, water aging and ④ ultraviolet aging.
1. firstly, the test is that the asphalt mixture test piece 413 is placed on the stainless steel grating plate 302 of the device, the dropping plate 401 and the ultraviolet radiation plate 402 are not installed, the heating storage box 2 is not added with water, and is not connected with a power supply, the whole device is placed in an environment temperature control box, and the temperature in the box is adjusted to 85 ℃ for aging.
2. test ②, the asphalt mixture test piece 413 is placed on the stainless steel grating plate 302 of the device, the water dropping plate 401 and the ultraviolet radiation plate 402 are not installed at the moment, the heating storage box 2 is not added with water and is not powered on, the whole device is placed in an environment temperature control box, and aging is carried out according to the designed low-temperature condition.
3. and a test third step, placing the asphalt mixture test piece 413 in a heating storage box 2 of the device, adding water until the asphalt mixture test piece is submerged on the surface of the test piece 413 and is used in an extreme water environment state, at the moment, a water dropping plate 401 and an ultraviolet radiation plate 402 are not installed, the heating storage box 2 is not powered on, placing the whole device in an environment temperature control box, and setting the temperature to be 25 ℃ for aging.
4. the fourth test is that the asphalt mixture test piece 413 is placed on the stainless steel grating plate 302, the ultraviolet radiation plate 402 is installed, the power supply is switched on, the ultraviolet lamp set is switched on, the water dropping plate 401 is not installed at the moment, the heating storage box 2 is not added with water, the power supply is not switched on, the whole device is placed in an environment temperature control box, and the temperature is adjusted to 25 ℃ for aging.
Two-factor and two-factor coupling aging test
the practical test can also be the coupling of other double factors, and the double factors of the embodiment mainly comprise (1) high-temperature oxidation and water aging, namely ③ + ④), (2) high-temperature oxidation and ultraviolet aging, namely ③ + (iv), (3) low-temperature aging and ultraviolet aging, namely ③ + (iv), (4) water aging and ultraviolet aging, namely ③ + (iv).
1. the test (I) and the test (III) are that the asphalt mixture test piece 413 is respectively placed on the stainless steel grating plate 302 of the device and in the heating storage box 2, water is added to the highest water level line 205 for simulating a rainfall state and an extreme water environment state, at the moment, the water dropping plate 401 and the ultraviolet radiation plate 402 are installed and connected with a power supply, the power supply of the heating resistor 202 of the heating storage box 2 is connected, the heating temperature is set to be 85 ℃, the circular water injection hole 503 of the liquid cooling water gathering top cover 5 is connected with an external water pump, the whole device is placed in an environment temperature control box, and the temperature in the box is adjusted to be 85 ℃ for aging.
2. the test I + IV is that the asphalt mixture test piece 413 is placed on the stainless steel grating plate 302 of the device, the ultraviolet radiation plate 402 is installed and the power supply is connected, at the moment, the water dropping plate 401 is not installed, the heating storage box 2 is not added with water and is not connected with the power supply, the whole device is placed in an environment temperature control box, and the temperature in the box is adjusted to 85 ℃ for aging.
3. the test II and IV comprises the steps of placing an asphalt mixture test piece 413 on a stainless steel grating plate 302 of the device, installing an ultraviolet radiation plate 402, switching on a power supply, adjusting a fixing support 403 and the ultraviolet radiation plate 402 to the lowest position, not installing a water dropping plate 401, heating a storage box 2 without adding water and switching on the power supply, placing the whole device in an environment temperature control box, and aging according to the designed low-temperature condition.
4. and (3) placing the asphalt mixture test piece 413 in a heating storage box 2 of the device, adding water until the top of the test piece 413 is immersed, taking out the stainless steel grating plate 302, installing the ultraviolet radiation plate 402 and switching on the power supply, adjusting the fixing support 403 and the ultraviolet radiation plate 402 to the lowest position, not installing the water dropping plate 401 at the moment, not switching on the power supply for the heating storage box 2, placing the whole device in an environment temperature control box, and adjusting the temperature to 25 ℃ for aging.
And thirdly, multi-factor coupling aging test:
the practical test can also be coupled by other multi-factors, and the multi-factors of the embodiment mainly comprise (1) high-temperature oxidation, water aging and ultraviolet aging, namely (③) + (④) + (③), and (2) low-temperature freeze thawing, water aging and ultraviolet aging, namely (③) + (④) + (③).
1. the test ① + C + R is that the asphalt mixture test piece 413 is respectively placed on the stainless steel grating plate 302 of the device and in the heating storage box 2, the highest water level line 205 of water is added, the water dropping plate 401 and the ultraviolet radiation plate 402 are installed and are powered on, the heating resistor 202 of the heating storage box 2 is powered on, the heating temperature is set to be 85 ℃, the circular water injection hole 503 of the liquid cooling water gathering top cover 5 is connected with an external water pump, the whole device is placed in an environment temperature control box, and the temperature in the box is adjusted to be 85 ℃ for aging.
2. the test ② + ③ + IV is that the asphalt mixture test piece 413 is placed in the heating storage box 2 of the device, water is added until the top of the test piece 413 is immersed, the stainless steel grating plate 302 is taken out, the ultraviolet radiation plate 402 is installed and is connected with a power supply, the fixing support 403 and the ultraviolet radiation plate 402 are adjusted to the lowest position, the water dropping plate 401 is not installed, the heating storage box 2 is not connected with the power supply, the whole device is placed in an environment temperature control box, and aging is carried out according to the designed low-temperature freeze-thaw condition.
Claims (10)
1. The asphalt mixture multi-factor coupling aging simulation device is characterized by comprising a frame body (1), a heating storage box (2) movably arranged at the bottom of the frame body (1), a storage plate (3) arranged at the upper part of the heating storage box (2) in a hollow manner, and a water-ultraviolet coupling mechanism (4) arranged at the upper part of the storage plate (3) and at an adjustable distance from the storage plate (3), wherein the water-ultraviolet coupling mechanism (4) comprises a dropping plate (401) and an ultraviolet radiation plate (402) which are detachably fixed on the frame body (1), and a dropping hole (404) on the dropping plate (401) and an ultraviolet lamp (411) on the ultraviolet radiation plate (402) are arranged in a mutually crossed manner and used for enabling water drops to flow out from the side edge of the ultraviolet lamp (411); and a water supply source is connected to the water dropping plate (401), and an environment temperature control box (6) is arranged outside the frame body (1) in a surrounding mode.
2. The bituminous mixture multifactor coupling ageing simulation device of claim 1, wherein the water supply source is a liquid cooling water collection top cover (5) arranged on the top of the frame (1) and the distance between the water-ultraviolet coupling mechanism (4) is adjustable.
3. The bituminous mixture multifactor-coupled ageing simulator according to claim 1, wherein the drip plate (401) and the ultraviolet radiation plate (402) are arranged one above the other.
4. The bituminous mixture multifactor-coupled ageing simulator according to claim 1, wherein the dripping holes (404) are arranged horizontally across the uv lamps (411).
5. The bituminous mixture multifactor-coupled aging simulation device according to claim 1, wherein the ultraviolet lamps (411) are ultraviolet lamp beads, and a dripping channel communicated with the dripping hole (404) is arranged between the ultraviolet lamp beads.
6. The bituminous mixture multifactor-coupled ageing simulation device according to claim 1, wherein the uv radiation panel (402) comprises an upper outer shell (408), a middle rubber waterproof layer (409) and a lower uv lamp mounting panel (410).
7. The bituminous mixture multifactor coupled aging simulation device according to claim 1, further comprising a temperature regulator for regulating the temperature of the heating storage box (2), a perforated storage plate (201) erected in the heating storage box (2), and a heating resistor (202) arranged in the heating storage box (2).
8. The bituminous mixture multifactor coupling ageing simulation device of claim 2, wherein the liquid cooling water collection roof (5) comprises a water tank (502), the water tank (502) is provided with a water injection port (503) communicated with a water pump, and a water collection plate (505) communicated with a water outlet of the water tank (502).
9. The bituminous mixture multifactor coupling aging simulation device according to claim 1, wherein the water-ultraviolet coupling mechanism (4) is mounted on the frame body (1) through a fixing frame (403), a sliding plate with scales (504) is arranged at the lower part of the liquid cooling water-collecting top cover (5), a sliding groove matched with the sliding plate is arranged on the fixing frame (403), and the height of the sliding plate and the sliding groove is adjusted through a limiting device.
10. The bituminous mixture multifactor-coupled ageing simulator according to claim 1, wherein the number of dripping holes (404) used is adjusted by rubber plugs provided on the dripping holes (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010147056.5A CN111220534A (en) | 2020-03-05 | 2020-03-05 | Multi-factor coupling aging simulation device for asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010147056.5A CN111220534A (en) | 2020-03-05 | 2020-03-05 | Multi-factor coupling aging simulation device for asphalt mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111220534A true CN111220534A (en) | 2020-06-02 |
Family
ID=70811503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010147056.5A Pending CN111220534A (en) | 2020-03-05 | 2020-03-05 | Multi-factor coupling aging simulation device for asphalt mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111220534A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999238A (en) * | 2020-06-05 | 2020-11-27 | 河海大学 | Indoor simulation asphalt mixture aging method |
| CN114636813A (en) * | 2022-02-21 | 2022-06-17 | 东南大学 | Multi-factor coupling effect porous asphalt mixture road performance test device and test method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389541A (en) * | 2017-08-31 | 2017-11-24 | 重庆卡勒斯通科技有限公司 | The weather-proof system safety testing device of corrosion-inhibiting coating under full weather conditions |
| CN207488149U (en) * | 2017-11-13 | 2018-06-12 | 长安大学 | A kind of multifactor senile experiment device |
| CN108802349A (en) * | 2018-03-21 | 2018-11-13 | 河海大学 | The Experimental Method in Laboratory that thermo-oxidative ageing and Moisture Damage coupling influence OGFC performances is considered under a kind of atmospheric pressure environment |
-
2020
- 2020-03-05 CN CN202010147056.5A patent/CN111220534A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389541A (en) * | 2017-08-31 | 2017-11-24 | 重庆卡勒斯通科技有限公司 | The weather-proof system safety testing device of corrosion-inhibiting coating under full weather conditions |
| CN207488149U (en) * | 2017-11-13 | 2018-06-12 | 长安大学 | A kind of multifactor senile experiment device |
| CN108802349A (en) * | 2018-03-21 | 2018-11-13 | 河海大学 | The Experimental Method in Laboratory that thermo-oxidative ageing and Moisture Damage coupling influence OGFC performances is considered under a kind of atmospheric pressure environment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999238A (en) * | 2020-06-05 | 2020-11-27 | 河海大学 | Indoor simulation asphalt mixture aging method |
| CN111999238B (en) * | 2020-06-05 | 2022-04-08 | 河海大学 | Indoor simulation asphalt mixture aging method |
| CN114636813A (en) * | 2022-02-21 | 2022-06-17 | 东南大学 | Multi-factor coupling effect porous asphalt mixture road performance test device and test method |
| CN114636813B (en) * | 2022-02-21 | 2024-03-01 | 东南大学 | Device and method for testing road performance of porous asphalt mixture under multi-factor coupling effect |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111220534A (en) | Multi-factor coupling aging simulation device for asphalt mixture | |
| JP3218810U (en) | Plant cultivation machine using cultivation box and cultivation box | |
| CN102578049B (en) | Insect phototaxis testing device | |
| CN203894145U (en) | Integrated control device of multiple-factor integrated environment test chamber | |
| CN103256572B (en) | Large-area steady-state solar stimulation lamp array | |
| CN204556470U (en) | A kind of xenon lamp weather-resistant test box | |
| CN201732049U (en) | Ultraviolet light weather resistance test chamber | |
| CN111668719A (en) | Multifunctional protective distribution box | |
| CN203705318U (en) | Device for asphalt ultraviolet ageing test | |
| Warrington et al. | Lighting systems in major New Zealand controlled environment facilities | |
| CN108879401A (en) | A kind of improved lighting distribution box | |
| CN204461975U (en) | A kind of Multifunctional asphalt ageing oven | |
| CN208026596U (en) | A kind of ageing rack of adjustable panel light | |
| CN207147946U (en) | The Work condition analogue experimental facilities of solar cell module | |
| CN216350242U (en) | Asphalt ultraviolet aging test device with control group | |
| CN211825600U (en) | Portable xenon lamp weather-proof test box | |
| CN206647954U (en) | A kind of high efficiency and heat radiation solar LED street lamp | |
| CN211318145U (en) | Indoor cooling effect testing device for road heat reflection coating | |
| CN203606262U (en) | Ultraviolet aging test chamber | |
| CN210806369U (en) | Waterproof heat dissipation outdoor power cabinet | |
| CN115219411A (en) | Acceleration experiment method for simulating multi-field coupling of aircraft coating in flight state | |
| CN108900160A (en) | Photovoltaic module test device | |
| CN108988784A (en) | Flexible solar battery curvature influences research device and method to electric parameter | |
| CN211822259U (en) | LED light is used to mosquito repellent with adjustable | |
| CN208302800U (en) | A kind of vertical climatic chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200602 |
|
| RJ01 | Rejection of invention patent application after publication |