CN203616192U - Testing device for cold patch asphalt rut test piece - Google Patents
Testing device for cold patch asphalt rut test piece Download PDFInfo
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- CN203616192U CN203616192U CN201320654274.3U CN201320654274U CN203616192U CN 203616192 U CN203616192 U CN 203616192U CN 201320654274 U CN201320654274 U CN 201320654274U CN 203616192 U CN203616192 U CN 203616192U
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- test piece
- rut test
- rut
- cold repairing
- asphalt
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Abstract
The utility model discloses a testing device for a cold patch asphalt rut test piece. The testing device comprises a rut test piece table, a driving device, a testing wheel, an LVDT (linear variable differential transformer) displacement meter and a data acquisition control system, wherein the driving device is connected with the rut test piece table and used for driving the rut test piece table to move transversely; the testing wheel is arranged above the rut test piece table and provided with a standard counter weight; the LVDT displacement meter is arranged on the standard counter weight and used for measuring rut test piece deformation data; the data acquisition control system is communicated with the LVDT displacement meter through a data transmission line; and the distance between the testing wheel and the rut test piece table is equal to the thickness of the rut test piece molded by a rut test piece molding device. The testing device is simple in structure, reasonable in design, accurate in measurement, real and reliable in simulation scene and small in measured data error.
Description
The application is to be that the application number of submitting to on 05 03rd, 2013 is the applying date: 201320233378.7, its invention and created name is≤a kind of asphalt cold repairing rut test piece and moulding thereof and proving installation and method of testing>=divisional application
.
Technical field
The utility model relates to a kind of asphalt cold repairing rut test piece and moulding and proving installation and method of testing, belongs to hole, road surface groove class disease and repairs anti-rut Performance Evaluation Technique field.
Background technology
Cold repairing asphalt mixture is a kind of material of cheating groove class disease Rapid-Repair.Rut test piece moulding and the anti-rut performance evaluation of cold repairing asphalt mixture all adopt hot-mix asphalt mixture specimen molding and anti-rut method of evaluating performance at present.But there is essential distinction in cold repairing asphalt mixture and hot-mix asphalt mixture.First, it is to slot at groove destruction place, hole, protobitumen road surface and be coated with to spill emulsified asphalt and protobitumen road surface and carry out bondingly when groove that cold repairing asphalt mixture is repaired hole, and itself and former road surface are not an entirety while beginning; Secondly, the moulding of cold repairing asphalt mixture is not one-shot forming, but in the case of vehicular load repeatedly roll with the continuous volatilization of cold repairing asphalt mixture solvent and moulding gradually.Therefore, adopt hot-mix asphalt mixture specimen molding and anti-rut method of evaluating performance to simulate and evaluate rut moulding and the anti-rut performance of cold repairing asphalt mixture extremely unreasonable.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of reasonable in design, simple in structure, asphalt cold repairing rut test piece that simulated scenario is true and reliable.
Meanwhile, the utility model also provides a kind of moulding and proving installation of asphalt cold repairing rut test piece.
In addition, the utility model also provides a kind of method of testing of asphalt cold repairing rut test piece.
For achieving the above object, the utility model is to realize by following technical scheme:
A kind of asphalt cold repairing rut test piece, it is characterized in that, comprise hot asphalt mixed block and asphalt cold repairing mixed block, described hot asphalt mixed block is socketed in the periphery of described asphalt cold repairing mixed block, and described hot asphalt mixed block and the upper surface of asphalt cold repairing mixed block are positioned in same level, and the lower surface of described hot asphalt mixed block and asphalt cold repairing mixed block is also positioned in same level.
A kind of asphalt cold repairing rut test piece shaped device, it is characterized in that, comprise the die trial of rut plate and isolation die trial, in described rut plate die trial, be formed with the first die cavity of asphalt cold repairing rut test piece, the space size of the first described die cavity is identical with the space size that the periphery of described hot asphalt mixed block forms, and the bottom of described isolation die trial is movably set in the first die cavity of described rut plate die trial, the space size of take up room size and described asphalt cold repairing mixed block that described isolation die trial is positioned at the first die cavity is identical.
Further, the top of described isolation die trial is also provided with a handle.
A kind of asphalt cold repairing rut test piece proving installation, is characterized in that, comprises rut test piece platform; Be connected with described rut test piece platform and for driving the drive unit of described rut test piece platform transverse shifting; Be arranged at the top of described rut test piece platform and the experimental wheel of standard balancing weight is housed; Be arranged at the LVDT displacement meter for rut test piece deformation data is measured on described standard balancing weight; And the data acquisition control system being communicated with by data line with described LVDT displacement meter, and distance between described experimental wheel and rut test piece platform equates with the thickness of the rut test piece of rut test piece shaped device forming.
Further, described drive unit comprises transverse movement motor and the steel drive link and the motion thread rod iron that are connected with described transverse movement motor.
In addition, also comprise thermometer, described thermometer is arranged on described standard balancing weight.
Described standard balancing weight is installed on described experimental wheel by steel connecting rod.
A method of testing for asphalt cold repairing rut test piece, is characterized in that, comprises the following steps:
1. the rut test piece to be measured of forming is positioned on rut test piece platform, described rut test piece platform is positioned in constant temperature enclosure, treat survey rut test piece and be incubated;
2. after rut test piece good heat insulation, start the experimental wheel that standard balancing weight is housed, the surface of described rut test piece is applied to the pressure of setting, start the transverse movement motor of rut test piece platform, described transverse movement motor is by the transverse movement of steel drive link and motion thread rod iron control rut test piece platform simultaneously;
3. be arranged at LVDT displacement meter on balancing weight and measure the deformation data of rut test piece, and data are transferred to data acquisition control system by data line process;
4. after reaching time of setting, experiment finishes, and closes experimental wheel and transverse movement motor, takes off rut test piece.
Further, the step 1. forming method of middle rut test piece is: the medium position that isolation die trial is packed into the first die cavity of rut plate die trial, the hot-mix asphalt mixture being stirred is poured in the first die cavity of rut plate die trial, then, to isolate die trial takes out, by the good cold repairing asphalt mixture of mixing put into isolation die trial take out after the first remaining space of die cavity of remaining rut plate die trial, the rut plate test specimen that installs compound is put in and on rolling forming machine, carries out roller-compaction.
And step 1. in, also comprise the step of utilizing thermometer measure constant temperature indoor temperature.
The beneficial effects of the utility model are: the disclosed a kind of asphalt cold repairing rut test piece of the utility model and moulding thereof and proving installation effectively separate hot-mix asphalt mixture and cold repairing asphalt mixture by the isolation die trial in rut test piece shaped device, the use procedure of real simulation cold repairing asphalt mixture, rut test piece proving installation is the transverse movement in the time carrying out rut test by configuration specimen stage transverse movement Electric Machine Control rut plate test specimen, in the time carrying out the test of rut plate test specimen, can effectively rut plate test specimen be crumpled and be rolled, can simulate really the forming process that cold repairing asphalt mixture is repaired hole groove, simultaneously, the utlity model has reasonable in design, measure accurately, the advantages such as data error is little of surveying.
Accompanying drawing explanation
Fig. 1 is the front view of rut test piece shaped device described in the utility model;
Fig. 2 is the vertical view of rut test piece shaped device described in the utility model;
Fig. 3 is the front view of rut test piece proving installation described in the utility model;
Fig. 4 is the left view of rut test piece proving installation described in the utility model;
Fig. 5 is the structural representation of asphalt cold repairing rut test piece described in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is carried out to concrete introduction.
Fig. 5 is the structural representation of asphalt cold repairing rut test piece described in the utility model.
As shown in Figure 5, a kind of asphalt cold repairing rut test piece, comprise hot asphalt mixed block 16 and asphalt cold repairing mixed block 17, described hot asphalt mixed block 16 is socketed in the periphery of described asphalt cold repairing mixed block 17, and described hot asphalt mixed block 16 and the upper surface of asphalt cold repairing mixed block 17 are positioned in same level, and the lower surface of described hot asphalt mixed block 16 and asphalt cold repairing mixed block 17 is also positioned in same level.Wherein, the outer rim of described asphalt cold repairing mixed block 17 and the mutual bonding connection of described hot asphalt mixed block 16.
Fig. 1 is the front view of rut test piece shaped device described in the utility model; Fig. 2 is the vertical view of rut test piece shaped device described in the utility model.
As depicted in figs. 1 and 2: a kind of asphalt cold repairing rut test piece shaped device, comprise rut plate die trial 1 and isolation die trial 2, in described rut plate die trial 1, be formed with the first die cavity of asphalt cold repairing rut test piece, the space size of the first described die cavity is identical with the space size that the periphery of described hot asphalt mixed block 16 forms, and the bottom of described isolation die trial 2 is movably set in the first die cavity of described rut plate die trial 1, top is provided with a handle, the space size of take up room size and described asphalt cold repairing mixed block 17 that described isolation die trial 2 is positioned at the first die cavity is identical.
Fig. 3 is the front view of rut test piece proving installation described in the utility model; Fig. 4 is the left view of rut test piece proving installation described in the utility model.
As shown in Figure 3, Figure 4, asphalt cold repairing rut test piece proving installation, is included as the rut test piece platform 4 of a platform structure; Be connected with described rut test piece platform 4 and for driving the drive unit of described rut test piece platform 4 transverse shiftings; Be arranged at the top of described rut test piece platform 4 and the experimental wheel 10 of standard balancing weight 9 is housed; Be arranged at the LVDT displacement meter 11 for rut test piece deformation data is measured on described standard balancing weight 9; Be arranged at the thermometer 12 on described standard balancing weight 9; And the data acquisition control system 14 being communicated with by data line 15 with described LVDT displacement meter 11, and distance between described experimental wheel 10 and rut test piece platform 4 equates with the thickness of the rut test piece 5 of rut test piece shaped device forming.
Wherein, described drive unit comprises transverse movement motor 6 and the steel drive link 8 and the motion thread rod iron 7 that are connected with described transverse movement motor 6.Described transverse movement motor 6 is controlled rut test piece platform 4 by steel drive link 8 and motion thread rod iron 7 and is carried out transverse movement.Described standard balancing weight 9 is installed on described experimental wheel 10 by steel connecting rod 13, when work, the rut plate test specimen 5 of forming is positioned between experimental wheel 10 and rut test piece platform 4, and standard balancing weight 9 is exerted pressure to experimental wheel 10, and rut test piece 5 is carried out to anti-rut performance test.
And LVDT displacement meter 11 is measured the deformation data of rut plate test specimen 5, and be connected with data acquisition control system 14 by data line 15, data acquisition control system 14 is processed data.Thermometer 12 is measured the temperature of working environment, guarantees the constant temperature of working environment.
The method of testing of asphalt cold repairing rut test piece described in the utility model, comprises the following steps:
1. the rut test piece of forming 5 is positioned on rut test piece platform 4, described rut test piece platform 4 is positioned in constant temperature enclosure 3, rut test piece 5 is incubated.
Temperature serviceability temperature meter 12 in constant temperature enclosure 3 is measured, and temperature is adjusted to required test temperature.Regulation according to " highway engineering pitch and Asphalt Mixture Experiment rules " (JTG E20-2011) is incubated rut plate test specimen.
The forming method of above-mentioned rut test piece 5 is: the medium position that isolation die trial 2 is packed into the first die cavity of rut plate die trial 1, the hot-mix asphalt mixture being stirred is poured in the first die cavity of rut plate die trial 1, then, to isolate die trial 2 takes out, the good cold repairing asphalt mixture of mixing is put into isolation die trial 2 and take out the first remaining space of die cavity of rear remaining rut plate die trial 1, the rut plate test specimen that installs compound is put in and on rolling forming machine, carries out roller-compaction.
2. rut test piece 5, after the interior good heat insulation of constant temperature enclosure 3, starts the experimental wheel 10 that standard balancing weight 9 is housed, and the surface of described rut test piece 5 is applied to the pressure of setting; Start the transverse movement motor 6 of specimen stage, transverse movement motor 6 is controlled 4 transverse movements of rut test piece platform by steel drive link 8 and motion thread rod iron 7 simultaneously.
3. the LVDT displacement meter 11 being arranged on balancing weight 9 is measured the deformation data of rut plate test specimen, and data are transferred to data acquisition control system 14 by data line 15 process.
4. after reaching time of setting, experiment finishes, and closes experimental wheel 10 and transverse movement motor 6, takes off rut test piece 5.
The utility model is that hole, a kind of road surface groove class disease is repaired anti-rut device for evaluating performance, can be used for simulating the rut moulding of cold repairing asphalt mixture and the anti-rut performance test of test cold repairing asphalt mixture, specimen molding and anti-rut performance test can be simulated the real work situation of cold repairing asphalt mixture preferably.
The utility model is illustrated according to above-described embodiment, should be appreciated that above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or the technical scheme that obtains of equivalent transformation mode, within all dropping on protection domain of the present utility model.
Claims (4)
1. an asphalt cold repairing rut test piece proving installation, is characterized in that, comprises rut test piece platform (4); Be connected with described rut test piece platform (4) and for driving the drive unit of described rut test piece platform (4) transverse shifting; Be arranged at the top of described rut test piece platform (4) and the experimental wheel (10) of standard balancing weight (9) is housed; Be arranged at the upper LVDT displacement meter (11) for rut test piece deformation data is measured of described standard balancing weight (9); And the data acquisition control system (14) being communicated with by data line (15) with described LVDT displacement meter (11), and distance between described experimental wheel (10) and rut test piece platform (4) equates with the thickness of the rut test piece (5) of rut test piece shaped device forming.
2. the proving installation of a kind of asphalt cold repairing rut test piece according to claim 1, it is characterized in that, described drive unit comprises transverse movement motor (6) and the steel drive link (8) and the motion thread rod iron (7) that are connected with described transverse movement motor (6).
3. the proving installation of a kind of asphalt cold repairing rut test piece according to claim 1, is characterized in that, also comprises thermometer (12), and described thermometer (12) is arranged on described standard balancing weight (9).
4. the proving installation of a kind of asphalt cold repairing rut test piece according to claim 1, is characterized in that, described standard balancing weight (9) is installed on described experimental wheel (10) by steel connecting rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654274.3U CN203616192U (en) | 2013-05-03 | 2013-05-03 | Testing device for cold patch asphalt rut test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654274.3U CN203616192U (en) | 2013-05-03 | 2013-05-03 | Testing device for cold patch asphalt rut test piece |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320233378.7U Division CN203490125U (en) | 2013-05-03 | 2013-05-03 | Forming device of wheel-tracking test piece for cold patch asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616192U true CN203616192U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320654274.3U Expired - Fee Related CN203616192U (en) | 2013-05-03 | 2013-05-03 | Testing device for cold patch asphalt rut test piece |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257065A (en) * | 2013-05-03 | 2013-08-21 | 江苏省交通规划设计院股份有限公司 | Cold patch asphalt rut testing piece, as well as forming and testing device and testing method thereof |
| CN105241749A (en) * | 2015-11-10 | 2016-01-13 | 昆山市交通工程试验检测中心 | Improved asphalt mixture wheel tracking test device |
| CN107132137A (en) * | 2017-04-26 | 2017-09-05 | 长安大学 | A kind of asphalt constrains test specimen wheel tracking test device and method |
| CN107315081A (en) * | 2017-06-28 | 2017-11-03 | 河海大学 | Pavement concrete damping effect test device and method |
-
2013
- 2013-05-03 CN CN201320654274.3U patent/CN203616192U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257065A (en) * | 2013-05-03 | 2013-08-21 | 江苏省交通规划设计院股份有限公司 | Cold patch asphalt rut testing piece, as well as forming and testing device and testing method thereof |
| CN103257065B (en) * | 2013-05-03 | 2016-08-10 | 江苏省交通规划设计院股份有限公司 | A kind of asphalt cold repairing rut test piece and molding thereof and test device and method of testing |
| CN105241749A (en) * | 2015-11-10 | 2016-01-13 | 昆山市交通工程试验检测中心 | Improved asphalt mixture wheel tracking test device |
| CN107132137A (en) * | 2017-04-26 | 2017-09-05 | 长安大学 | A kind of asphalt constrains test specimen wheel tracking test device and method |
| CN107132137B (en) * | 2017-04-26 | 2019-08-06 | 长安大学 | A kind of asphalt constraint test specimen wheel tracking test device and method |
| CN107315081A (en) * | 2017-06-28 | 2017-11-03 | 河海大学 | Pavement concrete damping effect test device and method |
| CN107315081B (en) * | 2017-06-28 | 2020-04-03 | 河海大学 | Method for testing damping effect of pavement concrete |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 210014 Ziyun Road, Qinhuai District, Jiangsu, No. 9, No. Patentee after: CHINA DESIGN GROUP Co.,Ltd. Address before: Zhongshan South Road, Baixia District of Nanjing city of Jiangsu Province, No. 342 210005 Patentee before: Jiangsu Provincial Communications Planning and Design Institute Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20210503 |