CN103257065A - Cold patch asphalt rut testing piece, as well as forming and testing device and testing method thereof - Google Patents
Cold patch asphalt rut testing piece, as well as forming and testing device and testing method thereof Download PDFInfo
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- CN103257065A CN103257065A CN2013101600588A CN201310160058A CN103257065A CN 103257065 A CN103257065 A CN 103257065A CN 2013101600588 A CN2013101600588 A CN 2013101600588A CN 201310160058 A CN201310160058 A CN 201310160058A CN 103257065 A CN103257065 A CN 103257065A
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- test piece
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- rut test
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Abstract
The invention discloses a cold patch asphalt rut testing piece. The cold patch asphalt rut testing piece comprises a hot mix asphalt mixing block and a cold patch asphalt mixing block, wherein the hot mix asphalt mixing block is sheathed at the periphery of the cold patch asphalt mixing block, the upper surfaces of the hot mix asphalt mixing block and the cold patch asphalt mixing block are positioned on the same horizontal plane, and the lower surfaces of the hot mix asphalt mixing block and the cold patch asphalt mixing block are also positioned on the same horizontal plane. The invention discloses a forming and testing device and a testing method of the cold patch asphalt rut testing piece simultaneously. The cold patch asphalt rut testing piece, as well as the forming and testing device and the testing method of the cold patch asphalt rut testing piece have the advantages of simple structure, reasonable design, accuracy of measurement, and authentic and reliable simulated scene, and the error of measured data is low.
Description
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Technical field
The present invention relates to a kind of asphalt cold repairing rut test piece and moulding thereof and proving installation and method of testing, belong to hole, road surface groove class disease and repair anti-rut performance evaluation technical field.
Background technology
Cold repairing asphalt mixture is a kind of material that groove class disease is repaired fast of cheating.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 are essential distinction in cold repairing asphalt mixture and hot-mix asphalt mixture.At first, cold repairing asphalt mixture 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 repairing the hole groove, and itself and former road surface are not an integral body when beginning; Secondly, the moulding of cold repairing asphalt mixture is not one-shot forming, but under the situation with the continuous volatilization of cold repairing asphalt mixture solvent of rolling repeatedly of vehicular load and gradually moulding.Therefore, it is extremely unreasonable to adopt hot-mix asphalt mixture specimen molding and anti-rut method of evaluating performance to simulate and estimate rut moulding and the anti-rut performance of cold repairing asphalt mixture.
Summary of the invention
Be to solve the deficiencies in the prior art, the object of the present invention 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.
Simultaneously, the present invention also provides a kind of moulding and proving installation of asphalt cold repairing rut test piece.
In addition, the present invention also provides a kind of method of testing of asphalt cold repairing rut test piece.
For achieving the above object, the present invention is achieved by the following technical solutions:
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 the upper surface of described hot asphalt mixed block and asphalt cold repairing mixed block is positioned on the same surface level, and the lower surface of described hot asphalt mixed block and asphalt cold repairing mixed block also is positioned on the same surface 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 isolate die trial, be formed with first die cavity of asphalt cold repairing rut test piece in the die trial of described rut plate, the space size of described first 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 first die cavity of described rut plate die trial, and the size that takes up room that described isolation die trial is positioned at first die cavity is identical with the space size of described asphalt cold repairing mixed block.
Further, the top of described isolation die trial also is provided with a handle.
A kind of asphalt cold repairing rut test piece proving installation is characterized in that, comprises the rut test piece platform; Be connected and be used for driving the drive unit that described rut test piece platform laterally moves with described rut test piece platform; Be arranged at the top of described rut test piece platform and the experimental wheel of standard balancing weight is housed; Be arranged on the described standard balancing weight for the LVDT displacement meter that the rut test piece deformation data is measured; And the data acquisition control system that is communicated with by data line with described LVDT displacement meter, and described experimental wheel equates with the thickness of the rut test piece of rut test piece shaped device forming with distance between the rut test piece platform.
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 the described standard balancing weight.
Described standard balancing weight then is installed on the described experimental wheel by the steel connecting rod.
A kind of method of testing of asphalt cold repairing rut test piece is characterized in that, may further comprise the steps:
1. the rut test piece to be measured with forming is positioned on the rut test piece platform, and described rut test piece platform is positioned in the constant temperature enclosure, treats measuring car rut test specimen and is incubated;
2. after the rut test piece good heat insulation, start the experimental wheel that the standard balancing weight is housed, the surface of described rut test piece is applied the pressure of setting, start the transverse movement motor of rut test piece platform simultaneously, described transverse movement motor is by the transverse movement of steel drive link and motion thread rod iron control rut test piece platform;
3. the LVDT displacement meter that is arranged on the balancing weight is measured the deformation data of rut test piece, and data are transferred to data acquisition control system by data line handle;
4. experiment finishes after reaching time of setting, and closing test wheel and transverse movement motor take off rut test piece.
Further, step 1. in the forming method of rut test piece be: will isolate pack into the medium position of first die cavity of rut plate die trial of die trial, the hot-mix asphalt mixture that stirs is poured in first die cavity of rut plate die trial, then, to isolate die trial takes out, put into the first die cavity remaining space of isolating die trial taking-up back remaining rut plate die trial with mixing the cold repairing asphalt mixture that makes, the rut plate test specimen that installs compound is put in carries out roller-compaction on the rolling make-up machine.
And step 1. in, also comprise the step of utilizing thermometer measure constant temperature indoor temperature.
The invention has the beneficial effects as follows: a kind of asphalt cold repairing rut test piece disclosed by the invention and moulding thereof and proving installation effectively separate hot-mix asphalt mixture and cold repairing asphalt mixture by the isolation die trial in the rut test piece shaped device, the use of real simulation cold repairing asphalt mixture, the rut test piece proving installation is by the transverse movement of configuration specimen stage transverse movement Electric Machine Control rut plate test specimen when carrying out the rut test, when carrying out the test of rut plate test specimen, can effectively crumple rut plate test specimen and roll, can repair the forming process of cheating groove by the real simulated cold repairing asphalt mixture, simultaneously, the present invention has reasonable in design, measure accurately, the advantages such as data error is little of surveying.
Description of drawings
Fig. 1 is the front view of rut test piece shaped device of the present invention;
Fig. 2 is the vertical view of rut test piece shaped device of the present invention;
Fig. 3 is the front view of rut test piece proving installation of the present invention;
Fig. 4 is the left view of rut test piece proving installation of the present invention;
Fig. 5 is the structural representation of asphalt cold repairing rut test piece of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is carried out concrete introduction.
Fig. 5 is the structural representation of asphalt cold repairing rut test piece of the present invention.
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 the upper surface of described hot asphalt mixed block 16 and asphalt cold repairing mixed block 17 is positioned on the same surface level, and the lower surface of described hot asphalt mixed block 16 and asphalt cold repairing mixed block 17 also is positioned on the same surface level.Wherein, the outer rim of described asphalt cold repairing mixed block 17 and the 16 mutual bonding connections of described hot asphalt mixed block.
Fig. 1 is the front view of rut test piece shaped device of the present invention; Fig. 2 is the vertical view of rut test piece shaped device of the present invention.
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 isolate die trial 2, be formed with first die cavity of asphalt cold repairing rut test piece in the described rut plate die trial 1, the space size of described first 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 first die cavity of described rut plate die trial 1, top then is provided with a handle, and the size that takes up room that described isolation die trial 2 is positioned at first die cavity is identical with the space size of described asphalt cold repairing mixed block 17.
Fig. 3 is the front view of rut test piece proving installation of the present invention; Fig. 4 is the left view of rut test piece proving installation of the present invention.
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 and be used for driving the drive unit that described rut test piece platform 4 laterally moves with described rut test piece platform 4; 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 on the described standard balancing weight 9 for the LVDT displacement meter 11 that the rut test piece deformation data is measured; Be arranged at the thermometer 12 on the described standard balancing weight 9; And the data acquisition control system 14 that is communicated with by data line 15 with described LVDT displacement meter 11, and described experimental wheel 10 equates with the thickness of the rut test piece 5 of rut test piece shaped device forming with distance between the rut test piece platform 4.
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 carries out transverse movement by steel drive link 8 and motion thread rod iron 7 control rut test piece platforms 4.Described standard balancing weight 9 then is installed on the described experimental wheel 10 by steel connecting rod 13, during work, the rut plate test specimen 5 of forming is positioned between experimental wheel 10 and the rut test piece platform 4, and 9 pairs of experimental wheels 10 of standard balancing weight are exerted pressure, and rut test piece 5 is carried out anti-rut performance test.
And the deformation data of 11 pairs of rut plates of LVDT displacement meter test specimen 5 is measured, and is connected with data acquisition control system 14 by data line 15, and 14 pairs of data of data acquisition control system are handled.The temperature of 12 pairs of working environments of thermometer is measured, and guarantees the constant temperature of working environment.
The method of testing of asphalt cold repairing rut test piece of the present invention may further comprise the steps:
1. the rut test piece 5 with forming is positioned on the rut test piece platform 4, described rut test piece platform 4 is positioned in the constant temperature enclosure 3, to rut test piece 5 insulations.
Temperature serviceability temperature meter 12 in the constant temperature enclosure 3 is measured, and temperature is adjusted to required test temperature.Regulation according to " highway engineering pitch and asphalt testing regulations " (JTG E20-2011) is incubated rut plate test specimen.
The forming method of above-mentioned rut test piece 5 is: will isolate pack into the medium position of first die cavity of rut plate die trial 1 of die trial 2, the hot-mix asphalt mixture that stirs is poured in first die cavity of rut plate die trial 1, then, to isolate die trial 2 takes out, put into the first die cavity remaining space of isolating die trial 2 taking-up back remaining rut plate die trials 1 with mixing the cold repairing asphalt mixture that makes, the rut plate test specimen that installs compound is put in carries out roller-compaction on the rolling make-up machine.
2. rut test piece 5 after the good heat insulation, starts the experimental wheel 10 that standard balancing weight 9 is housed in constant temperature enclosure 3, the surface of described rut test piece 5 is applied the pressure of setting; Start the transverse movement motor 6 of specimen stage simultaneously, transverse movement motor 6 is by steel drive link 8 and 4 transverse movements of motion thread rod iron 7 control rut test piece platforms.
3. the LVDT displacement meter 11 that is arranged on the balancing weight 9 is measured the deformation data of rut plate test specimens, and data are transferred to data acquisition control system 14 by data line 15 handle.
4. experiment finishes after reaching time of setting, and closing test wheel 10 and transverse movement motor 6 take off rut test piece 5.
The present invention 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 test can be simulated the real work situation of cold repairing asphalt mixture preferably.
The present invention is illustrated according to above-described embodiment, should be appreciated that above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the equivalent transformation mode obtains, all drops within protection scope of the present invention.
Claims (10)
1. asphalt cold repairing rut test piece, it is characterized in that, 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 the upper surface of described hot asphalt mixed block (16) and asphalt cold repairing mixed block (17) is positioned on the same surface level, and the lower surface of described hot asphalt mixed block (16) and asphalt cold repairing mixed block (17) also is positioned on the same surface level.
2. asphalt cold repairing rut test piece shaped device, it is characterized in that, comprise rut plate die trial (1) and isolate die trial (2), be formed with first die cavity of asphalt cold repairing rut test piece in the described rut plate die trial (1), the space size of described first 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 first die cavity of described rut plate die trial (1), and the size that takes up room that described isolation die trial (2) is positioned at first die cavity is identical with the space size of described asphalt cold repairing mixed block (17).
3. a kind of asphalt cold repairing rut test piece shaped device according to claim 2 is characterized in that the top of described isolation die trial (2) also is provided with a handle.
4. an asphalt cold repairing rut test piece proving installation is characterized in that, comprises rut test piece platform (4); Be connected and be used for driving the drive unit that described rut test piece platform (4) laterally moves with described rut test piece platform (4); 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 described standard balancing weight (9) and go up the LVDT displacement meter of measuring for to the rut test piece deformation data (11); And the data acquisition control system (14) that is communicated with by data line (15) with described LVDT displacement meter (11), and described experimental wheel (10) equates with the thickness of the rut test piece (5) of rut test piece shaped device forming with distance between the rut test piece platform (4).
5. the proving installation of a kind of asphalt cold repairing rut test piece according to claim 4, it is characterized in that described drive unit comprises transverse movement motor (6) and the steel drive link (8) that is connected with described transverse movement motor (6) and motion thread rod iron (7).
6. the proving installation of a kind of asphalt cold repairing rut test piece according to claim 4 is characterized in that, also comprises thermometer (12), and described thermometer (12) is arranged on the described standard balancing weight (9).
7. the proving installation of a kind of asphalt cold repairing rut test piece according to claim 4 is characterized in that, described standard balancing weight (9) is installed on the described experimental wheel (10) by steel connecting rod (13).
8. the method for testing of an asphalt cold repairing rut test piece is characterized in that, may further comprise the steps:
1. the rut test piece to be measured (5) with forming is positioned on the rut test piece platform (4), and described rut test piece platform (4) is positioned in the constant temperature enclosure (3), treats measuring car rut test specimen (5) and is incubated;
2. after rut test piece (5) good heat insulation, start the experimental wheel (10) of standard balancing weight (9) is housed, the surface of described rut test piece (5) is applied the pressure of setting, start the transverse movement motor (6) of rut test piece platform (4) simultaneously, described transverse movement motor (6) is by the transverse movement of steel drive link (8) and motion thread rod iron (7) control rut test piece platform (4);
3. the LVDT displacement meter (11) that is arranged on the balancing weight (9) is measured the deformation data of rut test piece (5), and data are transferred to data acquisition control system (14) by data line (15) handle;
4. experiment finishes after reaching time of setting, and closing test wheel (10) and transverse movement motor (6) take off rut test piece (5).
9. the method for testing of a kind of asphalt cold repairing rut test piece according to claim 8, it is characterized in that, step 1. in the forming method of rut test piece (5) be: will isolate pack into the medium position of first die cavity of rut plate die trial (1) of die trial (2), the hot-mix asphalt mixture that stirs is poured in first die cavity of rut plate die trial (1), then, to isolate die trial (2) takes out, put into the first die cavity remaining space of isolating die trial (2) taking-up back remaining rut plate die trial (1) with mixing the cold repairing asphalt mixture that makes, the rut plate test specimen that installs compound is put in carries out roller-compaction on the rolling make-up machine.
10. the method for testing of a kind of asphalt cold repairing rut test piece according to claim 8 is characterized in that, step 1. in, also comprise the step of utilizing thermometer (12) to measure the interior temperature of constant temperature enclosure (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310160058.8A CN103257065B (en) | 2013-05-03 | 2013-05-03 | A kind of asphalt cold repairing rut test piece and molding thereof and test device and method of testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310160058.8A CN103257065B (en) | 2013-05-03 | 2013-05-03 | A kind of asphalt cold repairing rut test piece and molding thereof and test device and method of testing |
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| CN103257065A true CN103257065A (en) | 2013-08-21 |
| CN103257065B CN103257065B (en) | 2016-08-10 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5641901A (en) * | 1995-11-06 | 1997-06-24 | Powell; Raymond | Asphalt concrete sample rutting machine |
| CN2335140Y (en) * | 1998-07-29 | 1999-08-25 | 吴素钦 | Automatic vehicle tracking test instrument |
| US6125685A (en) * | 1997-09-30 | 2000-10-03 | The Board Of Trustees Of The University Of Arkansas | Apparatus and method for the evaluation of asphalt mixes |
| CN2854565Y (en) * | 2005-12-26 | 2007-01-03 | 长安大学 | Indoor rotation rut tester for asphalt pavement |
| CN203490125U (en) * | 2013-05-03 | 2014-03-19 | 江苏省交通规划设计院股份有限公司 | Forming device of wheel-tracking test piece for cold patch asphalt |
| CN203616192U (en) * | 2013-05-03 | 2014-05-28 | 江苏省交通规划设计院股份有限公司 | Testing device for cold patch asphalt rut test piece |
-
2013
- 2013-05-03 CN CN201310160058.8A patent/CN103257065B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5641901A (en) * | 1995-11-06 | 1997-06-24 | Powell; Raymond | Asphalt concrete sample rutting machine |
| US6125685A (en) * | 1997-09-30 | 2000-10-03 | The Board Of Trustees Of The University Of Arkansas | Apparatus and method for the evaluation of asphalt mixes |
| CN2335140Y (en) * | 1998-07-29 | 1999-08-25 | 吴素钦 | Automatic vehicle tracking test instrument |
| CN2854565Y (en) * | 2005-12-26 | 2007-01-03 | 长安大学 | Indoor rotation rut tester for asphalt pavement |
| CN203490125U (en) * | 2013-05-03 | 2014-03-19 | 江苏省交通规划设计院股份有限公司 | Forming device of wheel-tracking test piece for cold patch asphalt |
| CN203616192U (en) * | 2013-05-03 | 2014-05-28 | 江苏省交通规划设计院股份有限公司 | Testing device for cold patch asphalt rut test piece |
Non-Patent Citations (2)
| Title |
|---|
| 彭东波等: "预拌式冷补沥青混合料性能评价方法探讨", 《公路与汽运》, no. 6, 30 November 2011 (2011-11-30), pages 99 - 101 * |
| 李峰等: "冷补沥青混合料性能评价指标体系", 《公路》, no. 11, 30 November 2010 (2010-11-30), pages 156 - 162 * |
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| CN103257065B (en) | 2016-08-10 |
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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. |
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Address after: 210014 No. 9, Ziyun Avenue, Qinhuai District, Jiangsu, Nanjing Patentee after: China Design Group Co.,Ltd. Address before: 210014 No. 9, Ziyun Avenue, Qinhuai District, Jiangsu, Nanjing Patentee before: CHINA DESIGN GROUP Co.,Ltd. |