CN103257065B - A kind of asphalt cold repairing rut test piece and molding thereof and test device and method of testing - Google Patents
A kind of asphalt cold repairing rut test piece and molding thereof and test device and method of testing Download PDFInfo
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- CN103257065B CN103257065B CN201310160058.8A CN201310160058A CN103257065B CN 103257065 B CN103257065 B CN 103257065B CN 201310160058 A CN201310160058 A CN 201310160058A CN 103257065 B CN103257065 B CN 103257065B
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Abstract
The invention discloses a kind of asphalt cold repairing rut test piece, including 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 in same level, and the lower surface of described hot asphalt mixed block and asphalt cold repairing mixed block also is located in same level.The present invention discloses the molding of a kind of asphalt cold repairing rut test piece and test device and method of testing.Present configuration is simple, reasonable in design, it is accurate to measure, simulated scenario error in data true and reliable, surveyed is little.
Description
Technical field
The present invention relates to a kind of asphalt cold repairing rut test piece and molding thereof and test device and method of testing, belong to road surface pit class disease and repair anti-rut behavior assessment technique field.
Background technology
Cold repairing asphalt mixture is the material of a kind of pit class disease Rapid-Repair.Rut test piece molding and the anti-rut behavior of cold repairing asphalt mixture is evaluated and is all used hot-mix asphalt mixture specimen molding and anti-rut behavior evaluation methodology at present.But, there is essential distinction in cold repairing asphalt mixture and hot-mix asphalt mixture.First, being to carry out slotting and be coated with at the pit destruction of protobitumen road surface spilling emulsified asphalt and bonding with protobitumen road surface during cold repairing asphalt mixture pot holes mend, it is not an entirety when starting with former road surface；Secondly, the molding of cold repairing asphalt mixture is not one-shot forming, but vehicular load repeatedly roll with the constantly volatilization of cold repairing asphalt mixture solvent in the case of and gradually molding.Therefore, use hot-mix asphalt mixture specimen molding and anti-rut behavior evaluation methodology to simulate and evaluate the rut molding of cold repairing asphalt mixture and anti-rut behavior is the most unreasonable.
Summary of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of reasonable in design, asphalt cold repairing rut test piece that simple in construction, simulated scenario are true and reliable.
Meanwhile, the present invention also provides for molding and the test device of a kind of asphalt cold repairing rut test piece.
It addition, the present invention also provides for the method for testing of a kind of asphalt cold repairing rut test piece.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions:
A kind of asphalt cold repairing rut test piece, it is characterized in that, including 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 in same level, and the lower surface of described hot asphalt mixed block and asphalt cold repairing mixed block also is located in same level.
A kind of asphalt cold repairing rut test piece shaped device, it is characterized in that, including rut plate die trial and isolation die trial, the first die cavity of asphalt cold repairing rut test piece it is formed with in described rut plate die trial, the space size that the space size of the first described die cavity is formed with the periphery of described hot asphalt mixed block is identical, and the lower removable of described isolation die trial is arranged in the first die cavity of described rut plate die trial, the size that takes up room that described isolation die trial is positioned at the first die cavity is identical with the space size of described asphalt cold repairing mixed block.
Further, the top of described isolation die trial is additionally provided with a handle.
A kind of asphalt cold repairing rut test piece test device, it is characterised in that include rut test piece platform；It is connected with described rut test piece platform and for driving the driving means of described rut test piece platform transverse shifting；It is arranged at the top of described rut test piece platform and equipped with the experimental wheel of standard balancing weight；It is arranged on described standard balancing weight for the LVDT displacement meter that rut test piece deformation data is measured；And the data acquisition control system connected by data line with described LVDT displacement meter, and the distance between described experimental wheel with rut test piece platform is equal with the thickness of the rut test piece of rut test piece shaped device forming.
Further, described driving means includes transverse movement motor and the steel drive link being connected with described transverse movement motor and motion thread rod iron.
Additionally, also include thermometer, described thermometer is arranged on described standard balancing weight.
Described standard balancing weight is then installed on described experimental wheel by steel connecting rod.
The method of testing of a kind of asphalt cold repairing rut test piece, it is characterised in that comprise 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 thermostatic chamber, treat survey rut test piece and be incubated；
2. after rut test piece good heat insulation, start the experimental wheel equipped with standard balancing weight, surface to described rut test piece applies the pressure of setting, starting the transverse movement motor of rut test piece platform, described transverse movement motor controls the transverse movement of rut test piece platform by steel drive link and motion thread rod iron simultaneously；
3. the deformation data of rut test piece measured by the LVDT displacement meter that is arranged on balancing weight, and by data line, data are transferred to data acquisition control system process；
4. test after reaching the time set and terminate, close experimental wheel and transverse movement motor, take off rut test piece.
Further, the forming method of step 1. middle rut test piece is: will isolate the medium position that die trial loads 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, isolation die trial is taken out, the cold repairing asphalt mixture that mixing is good is put into the first remaining space of die cavity of remaining rut plate die trial after isolation die trial is taken out, the rut plate test specimen installing compound is put on rolling forming machine and carries out roller-compaction.
And step 1. in, also include the step utilizing thermometer measure constant temperature indoor temperature.
The invention has the beneficial effects as follows: hot-mix asphalt mixture and cold repairing asphalt mixture are effectively separated by a kind of asphalt cold repairing rut test piece disclosed by the invention and molding thereof and test device by the isolation die trial in rut test piece shaped device, the true use process simulating cold repairing asphalt mixture, rut test piece test device controls the transverse movement when carrying out rut test of the rut plate test specimen by configuring specimen stage transverse movement motor, effectively rut plate test specimen can be carried out rubbing when carrying out the test of rut plate test specimen to roll, the forming process of cold repairing asphalt mixture pot holes mend can be simulated really, simultaneously, the present invention has reasonable in design, measure accurately, the advantages such as surveyed error in data is little.
Accompanying drawing explanation
Fig. 1 is the front view of rut test piece shaped device of the present invention；
Fig. 2 is the top view of rut test piece shaped device of the present invention；
Fig. 3 is the front view of rut test piece of the present invention test device；
Fig. 4 is the left view of rut test piece of the present invention test device；
Fig. 5 is the structural representation of asphalt cold repairing rut test piece of the present invention.
Detailed description of the invention
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, including 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 in same level, and the lower surface of described hot asphalt mixed block 16 and asphalt cold repairing mixed block 17 also is located in same level.Wherein, the outer rim of described asphalt cold repairing mixed block 17 mutually bonds with described hot asphalt mixed block 16 and is connected.
Fig. 1 is the front view of rut test piece shaped device of the present invention；Fig. 2 is the top 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, including rut plate die trial 1 and isolation die trial 2, the first die cavity of asphalt cold repairing rut test piece it is formed with in described rut plate die trial 1, the space size that the space size of the first described die cavity is formed with the periphery of described hot asphalt mixed block 16 is identical, and the lower removable of described isolation die trial 2 is arranged in the first die cavity of described rut plate die trial 1, top is then provided with a hands handle, the size that takes up room that described isolation die trial 2 is positioned at the 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 of the present invention test device；Fig. 4 is the left view of rut test piece of the present invention test device.
As shown in Figure 3, Figure 4, asphalt cold repairing rut test piece test device, including the rut test piece platform 4 for a platform structure；It is connected with described rut test piece platform 4 and for driving the driving means of described rut test piece platform 4 transverse shifting；It is arranged at the top of described rut test piece platform 4 and equipped with the experimental wheel 10 of standard balancing weight 9；It is arranged on described standard balancing weight 9 for the LVDT displacement meter 11 that rut test piece deformation data is measured；It is arranged at the thermometer 12 on described standard balancing weight 9；And pass through, with described LVDT displacement meter 11, the data acquisition control system 14 that data line 15 connects, and the distance between described experimental wheel 10 and rut test piece platform 4 is equal with the thickness of the rut test piece 5 of rut test piece shaped device forming.
Wherein, described driving means includes transverse movement motor 6 and the steel drive link 8 being connected with described transverse movement motor 6 and motion thread rod iron 7.Described transverse movement motor 6 is controlled rut test piece platform 4 be laterally moved by steel drive link 8 and motion thread rod iron 7.Described standard balancing weight 9 is then installed on 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 rut test piece platform 4, and standard balancing weight 9 applies pressure to experimental wheel 10, and rut test piece 5 is carried out anti-rut behavior test.
And the deformation data of rut plate test specimen 5 is measured by LVDT displacement meter 11, and being connected with data acquisition control system 14 by data line 15, data are processed by data acquisition control system 14.The temperature of working environment is measured by thermometer 12, it is ensured that the constant temperature of working environment.
The method of testing of asphalt cold repairing rut test piece of the present invention, comprises the following steps:
1. the rut test piece 5 of forming is positioned on rut test piece platform 4, described rut test piece platform 4 is positioned in thermostatic chamber 3, rut test piece 5 is incubated.
Temperature in thermostatic chamber 3 uses thermometer 12 to measure, and temperature is adjusted to required test temperature.According to the regulation of " highway engineering Colophonium and Asphalt Mixture Experiment code " (JTG E20-2011), rut plate test specimen is incubated.
The forming method of above-mentioned rut test piece 5 is: isolation die trial 2 loads the medium position of 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, isolation die trial 2 is taken out, the cold repairing asphalt mixture that mixing is good is put into the first remaining space of die cavity of remaining rut plate die trial 1 after isolation die trial 2 is taken out, the rut plate test specimen installing compound is put on rolling forming machine and carries out roller-compaction.
2. rut test piece 5 is after thermostatic chamber 3 inside holding is good, starts the experimental wheel 10 equipped with standard balancing weight 9, the pressure to the surface applying setting of described rut test piece 5；Starting the transverse movement motor 6 of specimen stage, transverse movement motor 6 controls rut test piece platform 4 transverse movement by steel drive link 8 and motion thread rod iron 7 simultaneously.
3. the deformation data of rut plate test specimen measured by the LVDT displacement meter 11 being arranged on balancing weight 9, and by data line 15, data are transferred to data acquisition control system 14 process.
4. test after reaching the time set and terminate, close experimental wheel 10 and transverse movement motor 6, take off rut test piece 5.
The present invention is that a kind of road surface pit class disease repairs anti-rut behavior evaluating apparatus, can be used for simulating the anti-rut behavior test of the rut molding of cold repairing asphalt mixture and test cold repairing asphalt mixture, specimen molding and anti-rut behavior testing experiment can preferably simulate the real work situation of cold repairing asphalt mixture.
The present invention is illustrated according to above-described embodiment, it will be appreciated that above-described embodiment limits the present invention the most in any form, and the technical scheme that all employing equivalents or equivalent transformation mode are obtained, within all falling within protection scope of the present invention.
Claims (2)
1. an asphalt cold repairing rut test piece, it is characterized in that, including 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 in same level, and the lower surface of described hot asphalt mixed block (16) and asphalt cold repairing mixed block (17) also is located in same level.
2. the method for testing of an asphalt cold repairing rut test piece, it is characterised in that comprise the following steps:
1. the rut test piece to be measured (5) of forming is positioned on rut test piece platform (4), described rut test piece platform (4) is positioned in thermostatic chamber (3), treat survey rut test piece (5) and be incubated；
2. after rut test piece (5) good heat insulation, start the experimental wheel (10) equipped with standard balancing weight (9), surface to described rut test piece (5) applies the pressure of setting, starting the transverse movement motor (6) of rut test piece platform (4), described transverse movement motor (6) controls the transverse movement of rut test piece platform (4) by steel drive link (8) and motion thread rod iron (7) simultaneously；
3. the deformation data of rut test piece (5) measured by the LVDT displacement meter (11) that is arranged on balancing weight (9), and by data line (15), data are transferred to data acquisition control system (14) process；
4. test after reaching the time set and terminate, close experimental wheel (10) and transverse movement motor (6), take off rut test piece (5)；
Wherein, the forming method of step 1. middle rut test piece (5) is: will isolate the medium position that die trial (2) loads 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, isolation die trial (2) is taken out, the cold repairing asphalt mixture that mixing is good is put into the first remaining space of die cavity of remaining rut plate die trial (1) after isolation die trial (2) is taken out, the rut plate test specimen installing compound is put on rolling forming machine and carries out roller-compaction；And step 1. in, also include utilizing thermometer (12) to measure the step of thermostatic chamber (3) interior temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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 CN103257065A (en) | 2013-08-21 |
| CN103257065B true CN103257065B (en) | 2016-08-10 |
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Citations (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2013
- 2013-05-03 CN CN201310160058.8A patent/CN103257065B/en active Active
Patent Citations (5)
| 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 |
| 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 |
|---|
| 冷补沥青混合料性能评价指标体系;李峰等;《公路》;20101130(第11期);156-162 * |
| 预拌式冷补沥青混合料性能评价方法探讨;彭东波等;《公路与汽运》;20111130(第6期);99-101 * |
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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. |
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