CN104458820A - Water damage test device for asphalt concrete pavements and use method thereof - Google Patents
Water damage test device for asphalt concrete pavements and use method thereof Download PDFInfo
- Publication number
- CN104458820A CN104458820A CN201410733506.3A CN201410733506A CN104458820A CN 104458820 A CN104458820 A CN 104458820A CN 201410733506 A CN201410733506 A CN 201410733506A CN 104458820 A CN104458820 A CN 104458820A
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- CN
- China
- Prior art keywords
- water
- test
- housing
- bituminous concrete
- asphalt concrete
- 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.)
- Granted
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- 238000012360 testing method Methods 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 230000006378 damage Effects 0.000 title claims abstract description 19
- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000012780 transparent material Substances 0.000 claims abstract description 5
- 239000004567 concrete Substances 0.000 claims description 44
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 12
- 229940005654 nitrite ion Drugs 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 238000004088 simulation Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Landscapes
- Road Repair (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Road Paving Structures (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a water damage test device for asphalt concrete pavements. The water damage test device comprises a shell, wherein the shell is made from a transparent material, a groove is formed in the upper part of the shell, an asphalt concrete test sample is arranged in the shell, a plurality of test points at different positions are arranged on the shell, resistivity test joints are arranged at the test points, the resistivity test joints are connected with the test device, a plurality of cameras are arranged at different positions at the outside of the shell, the shell is of a sealed structure, the asphalt concrete test sample is located at the lower part of the shell, heating and refrigerating devices are arranged at the upper part of the shell, and the heating and refrigerating devices are located at the outside of the asphalt concrete test sample. The water damage test device provided by the invention is simple in structure and convenient to operate, and can be used for intuitively observing the damage condition of water to the interiors of the pavements.
Description
Technical field
The present invention relates to a kind of pavement test device, further, relate to a kind of asphalt concrete pavement water destruct test unit and using method thereof.
Background technology
In recent years, highway construction was advanced by leaps and bounds, and played vital effect to national economy and social development, after but many highways build up operation, Random early Detection is comparatively serious, particularly bituminous pavement, is mainly manifested in the aspect such as check crack, hole hole, purt slurry, rut groove.The main cause producing these diseases is the destruction of water.Make road surface produce the phenomenon of early damage after so-called water destruct and precipitation penetrate road surface structare layer, it is the most common in current bituminous concrete pavement early disease is also the maximum a kind of disease of destructive power.
With regard to current bituminous pavement, it is inevitable often that rainwater penetrates asphalt mat.The destruction of the Random early Detection mainly water that bituminous pavement occurs is caused, and emphatically from the angle of design, construction, management, should take effective measure, reduce the infiltration of bituminous pavement water, reduce the destruction of water as far as possible.Road surface water destructive test device can road pavement water destruct situation be predicted, thus determines the destruction situation in road surface in advance, prevents in advance the destruction of road.
200810014147.0 patent of invention disclose a kind of simulation test testing device of asphalt concrete pavement water destruct, comprise housing, housing is made up of transparent material, housing upper is provided with groove, be provided with bituminous concrete sample in housing, in bituminous concrete sample, be provided with heating and refrigerating plant; During use, after colored water being sprinkled upon bituminous concrete sample top simulation surface gathered water infiltration surface layer, by simulated automotive pressure wheel road and summer, winter temperature Change, sum up rule and experimental basis that roadbed pore water destroys roadbed, thus corresponding measure can be made in practical application, reduce the damage on road surface, economize on resources to greatest extent.
But the technical scheme of this invention also exists following shortcoming.One, heating and refrigeration plant are arranged in concrete, like this, need in concrete, generate hole and hold them, thus reduce concrete strength, be not inconsistent with real roads situation; Two, due to heating and refrigerating plant be arranged in concrete, such temperature variation from inside concrete, from actual conditions because temperature Change causes temperature variation in concrete different; Three, in this invention by the situation of the coloured test water of band of cameras view concrete side, but due to bituminous concrete intrinsic colour comparatively dark, may test water be blocked, cause clearly observing.
Summary of the invention
The invention provides a kind of asphalt concrete pavement water destruct test unit, the defect of described prior art can be eliminated.
As one aspect of the present invention, provide a kind of asphalt concrete pavement water destruct test unit, comprise housing, housing is made up of transparent material, housing upper is provided with groove, bituminous concrete sample is provided with in housing, housing is arranged the measuring point of several diverse locations, measuring point place is provided with measuring resistance rate contact, described measuring resistance rate contact is connected with proving installation, some video cameras are provided with at the outer diverse location of housing, it is characterized in that: described housing is hermetically-sealed construction, described bituminous concrete sample is positioned at lower housing portion, heating and refrigerating plant is provided with at housing upper.It is outside that wherein said heating and refrigerating plant are positioned at described bituminous concrete sample.
Preferably, in such scheme, described test unit is by nitrite ion as test water, and described bituminous concrete sample side is provided with colour developing test paper.
Preferably, in such scheme, described nitrite ion is acidic aqueous solution, and described colour developing test paper is acid PH test paper.
As another aspect of the present invention, provide a kind of using method of above-mentioned asphalt concrete pavement water destruct test unit, after comprising the steps: that test water being sprinkled upon bituminous concrete sample top simulation surface gathered water infiltrates surface layer, then adopt the roller of a constant weight in the groove of housing, simulate automotive wheel to roll, and by the bituminous concrete pavement internal temperature change actual conditions under heated by electrodes or the different natural conditions of refrigeration simulation, test water enters in the space in bituminous concrete, moving around of roller, cause bituminous concrete inner pore aquatic products dynamic pressure, damage road structure different aspects, the ruuning situation with high-speed photography record roadbed cross section water is clear that by transparent shell, can know that pore water is to the destruction in road structure, moisture distribution can be understood further by the resistivity of test zones of different section, contrast with water photorecording, sum up rule and experimental basis that roadbed pore water destroys roadbed.Wherein, described test water is nitrite ion, and described blue or green concrete sample side is provided with colour developing test paper.Preferably, described nitrite ion is acidic aqueous solution, and described colour developing test paper is acid PH test paper.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
See accompanying drawing 1, provide a kind of asphalt concrete pavement water destruct test unit, comprise housing 1, housing 1 is made up of transparent material, housing upper is provided with groove 2, bituminous concrete sample 3 is provided with in housing 1, housing 1 is arranged the measuring point 6 of several diverse locations, measuring point 6 place is provided with measuring resistance rate contact, described measuring resistance rate contact is connected with proving installation 9, some video cameras 10 are provided with at the outer diverse location of housing 1, its middle shell 1 is hermetically-sealed construction, bituminous concrete sample 3 is positioned at housing 1 bottom, heating arrangement 4 and refrigerating plant 5 is provided with on housing 1 top, it is outside that heating arrangement 4 and refrigerating plant 5 are positioned at described bituminous concrete sample.Preferably, described proving installation 9 is positioned at housing upper, passes through wireless connections with external host.Pass through technique scheme, due to housing 1 is set to hermetically-sealed construction, and heating arrangement 4 and refrigerating plant 5 are arranged at housing 1 top, it is outside that it is positioned at bituminous concrete sample, on the one hand, can avoid heating arrangement 4 and refrigerating plant 5 being arranged at bituminous concrete sample inner to its structural damage, on the other hand, because heating arrangement 4 and refrigerating plant 5 are arranged at the top of bituminous concrete sample, consistent with the situation that actual conditions medium pitch concrete sample temperature changes because temperature affects, can Reality simulation situation better.
As another aspect of the present invention, the colored water used in prior art, as test water, because bituminous concrete intrinsic colour is comparatively dark, may blocks test water, cause clearly observing.Therefore, preferably, in technical scheme of the present invention, use nitrite ion as test water, and bituminous concrete sample 3 side is provided with colour developing test paper, colour developing test paper can be pasted onto bituminous concrete sample 3 side.Wherein according to concrete situation, nitrite ion can use acidity or alkaline nitrite ion, and colour developing test paper can use acidity or alkalescence colour developing test paper.By such setting, because colour developing test paper color when running into nitrite ion can change, use video camera can the more remarkable change that must observe test paper, thus make test more accurate.
The using method of the test unit in the present invention can use the using method of 200810014147.0, after test water being sprinkled upon bituminous concrete sample top simulation surface gathered water infiltration surface layer, then adopt the roller of a constant weight in the groove of housing, simulate automotive wheel to roll, and by the bituminous concrete pavement internal temperature change actual conditions under heated by electrodes or the different natural conditions of refrigeration simulation, test water enters in the space in bituminous concrete, moving around of roller, cause bituminous concrete inner pore aquatic products dynamic pressure, damage road structure different aspects, the ruuning situation with high-speed photography record roadbed cross section water is clear that by transparent shell, can know that pore water is to the destruction in road structure, moisture distribution can be understood further by the resistivity of test zones of different section, contrast with water photorecording, sum up rule and experimental basis that roadbed pore water destroys roadbed.
Apply specific embodiment herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. an asphalt concrete pavement water destruct test unit, comprise housing, housing is made up of transparent material, housing upper is provided with groove, bituminous concrete sample is provided with in housing, housing is arranged the measuring point of several diverse locations, measuring point place is provided with measuring resistance rate contact, described measuring resistance rate contact is connected with proving installation, some video cameras are provided with at the outer diverse location of housing, it is characterized in that: described housing is hermetically-sealed construction, described bituminous concrete sample is positioned at lower housing portion, heating and refrigerating plant is provided with at housing upper, described measuring resistance rate contact is connected with the proving installation being positioned at housing.
2. asphalt concrete pavement water destruct test unit according to claim 1, is characterized in that: described device is by nitrite ion as test water, and described bituminous concrete sample side is provided with colour developing test paper.
3. asphalt concrete pavement water destruct test unit according to claim 2, is characterized in that: described nitrite ion is acidic aqueous solution, and described colour developing test paper is acid PH test paper.
4. the using method of an asphalt concrete pavement water destruct test unit, after comprising the steps: that test water being sprinkled upon bituminous concrete sample top simulation surface gathered water infiltrates surface layer, then adopt the roller of a constant weight in the groove of housing, simulate automotive wheel to roll, and by the bituminous concrete pavement internal temperature change actual conditions under heated by electrodes or the different natural conditions of refrigeration simulation, test water enters in the space in bituminous concrete, moving around of roller, cause bituminous concrete inner pore aquatic products dynamic pressure, damage road structure different aspects, the ruuning situation with high-speed photography record roadbed cross section water is clear that by transparent shell, can know that pore water is to the destruction in road structure, moisture distribution can be understood further by the resistivity of test zones of different section, contrast with water photorecording, sum up rule and experimental basis that roadbed pore water destroys roadbed.
5. method according to claim 4, wherein, described test water is nitrite ion, and described blue or green concrete sample side is provided with colour developing test paper.
6. method according to claim 5, wherein, described nitrite ion is acidic aqueous solution, and described colour developing test paper is acid PH test paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410733506.3A CN104458820B (en) | 2014-12-06 | 2014-12-06 | Water damage test device for asphalt concrete pavements and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410733506.3A CN104458820B (en) | 2014-12-06 | 2014-12-06 | Water damage test device for asphalt concrete pavements and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104458820A true CN104458820A (en) | 2015-03-25 |
| CN104458820B CN104458820B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410733506.3A Active CN104458820B (en) | 2014-12-06 | 2014-12-06 | Water damage test device for asphalt concrete pavements and use method thereof |
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| CN (1) | CN104458820B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865177A (en) * | 2015-06-18 | 2015-08-26 | 重庆大学 | Large-scale bi-dimensional fractured rock mass shearing seepage meter |
| CN107271492A (en) * | 2017-06-05 | 2017-10-20 | 三峡大学 | A kind of test system equivalent based on the resistivity method age of concrete |
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| CN102621293A (en) * | 2012-03-29 | 2012-08-01 | 吉林省交通科学研究所 | Test instrument for shrinkage deformation of pavement semi-rigid material |
| CN103528941A (en) * | 2013-10-17 | 2014-01-22 | 长沙理工大学 | Test method for evaluating erosion damage of asphalt mixture caused by acid rain |
| CN103558140A (en) * | 2013-10-10 | 2014-02-05 | 河海大学 | Test device and test method suitable for runoff erosion of cement-based material |
| CN104075854A (en) * | 2014-06-30 | 2014-10-01 | 中南大学 | Shield segment joint anti-penetrability performance test device |
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2014
- 2014-12-06 CN CN201410733506.3A patent/CN104458820B/en active Active
Patent Citations (11)
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| JPS61275647A (en) * | 1985-05-31 | 1986-12-05 | Ohbayashigumi Ltd | Seal structure for concrete test body heated to high temperature |
| JP2002071607A (en) * | 2000-08-28 | 2002-03-12 | Univ Kansai | Oxygen concentration measuring method and resistivity measuring method |
| CN1588008A (en) * | 2004-08-20 | 2005-03-02 | 沈阳工业学院 | Test paper for detecting water hardness and detecting method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865177A (en) * | 2015-06-18 | 2015-08-26 | 重庆大学 | Large-scale bi-dimensional fractured rock mass shearing seepage meter |
| CN104865177B (en) * | 2015-06-18 | 2017-10-24 | 重庆大学 | A kind of two-dimentional crack rock shearing seepage instrument of large scale |
| CN107271492A (en) * | 2017-06-05 | 2017-10-20 | 三峡大学 | A kind of test system equivalent based on the resistivity method age of concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104458820B (en) | 2017-01-11 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Youxin Inventor after: Wang Dong Inventor after: Wang Baojun Inventor before: Han Shaopeng |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20161122 Address after: 230601 Anhui city of Hefei province high tech Zone Yang Road No. 5 Building Room 501 Applicant after: Anhui Jinpeiyin Technology Co., Ltd. Address before: 054000 Xingtai Province, Gao Qiao Road, No. 79, Hebei Applicant before: Han Shaopeng |
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Effective date of registration: 20201209 Address after: 211111 No. 12, Mazhou East Road, Mau Ling Street, Jiangning District, Nanjing, Jiangsu Patentee after: JIANGSU ZHIJU INTELLECTUAL PROPERTY SERVICE Co.,Ltd. Address before: Room 501, production building, No.5, Yanglin Road, hi tech Zone, Hefei City, Anhui Province Patentee before: ANHUI JINPEIYIN TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20201230 Address after: 246001 Lingang Economic Development Zone, Yingjiang District, Anqing City, Anhui Province Patentee after: Han Primary School Address before: 211111 No. 12, Mazhou East Road, Mau Ling Street, Jiangning District, Nanjing, Jiangsu Patentee before: JIANGSU ZHIJU INTELLECTUAL PROPERTY SERVICE Co.,Ltd. |
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Effective date of registration: 20220119 Address after: 443002 No. 13 yangyangshan Road, Xiling District, Yichang City, Hubei Province (original office building of Yangshan campus) Patentee after: YICHANG ZHENGXIN CONSTRUCTION ENGINEERING TEST & TESTING Co.,Ltd. Address before: 246001 Lingang Economic Development Zone, Yingjiang District, Anqing City, Anhui Province Patentee before: Han Primary School |