CN102252915B - A kind of cupping machine that utilizes carries out the method for cryogenic property test to pressing belt - Google Patents
A kind of cupping machine that utilizes carries out the method for cryogenic property test to pressing belt Download PDFInfo
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- CN102252915B CN102252915B CN201110154344.4A CN201110154344A CN102252915B CN 102252915 B CN102252915 B CN 102252915B CN 201110154344 A CN201110154344 A CN 201110154344A CN 102252915 B CN102252915 B CN 102252915B
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Abstract
Utilize cupping machine to carry out a method for cryogenic property test to pressing belt, wherein said cupping machine comprises stretching testing machine, Cryo Equipment and processor.The method comprises the following steps: pressing belt test block preparation process; Stretching step is installed, test block is positioned in Cryo Equipment and is incubated according to predetermined time, be then arranged on described stretching testing machine; The step of test parameter, is included in test process, and stretching testing machine by the two-way relative stretching pressing belt test block of described Tiebar structure, and utilizes described processor automatic acquisition and shows the step of stress-strain curve.The method achieve and the cryogenic property of the key technical index of pressing belt tested, for pressing belt a large amount of production and widely use and performance improve provide guarantee.
Description
Technical field
The invention belongs to field of road.More specifically, the present invention relates to a kind of cupping machine that utilizes and the method for cryogenic property test is carried out to pressing belt.
Background technology
Crack is one of bituminous pavement Major Diseases, adopts various technological means to close pavement crack, and it is inner that anti-sealing infiltrates pavement structure, is extensively thought to slow down the effective means of pavement disease appearance, prolonging service life of pavement in the world.Usual employing joint filling or the cementation of fissures carry out crack repairing.Filling technology not fracture carries out expansion groove, and directly adopt joint sealing material to fill in crack, result of use is usually poor.First Slit-pouring Technology is carried out fluting and is expanded seam, and then adopt fluid sealant perfusion crack, result of use is relatively better.But Slit-pouring Technology also exists certain limitation, be first that the work efficiency of notch and fill slot is very low, be difficult to the requirement meeting repairing road surface at quick speed; Next easily brings after being fluting and gnaws limit, the sick evil of latasuture grade, and on road surface, aging more serious section is all the more so.
Pressing belt (also claiming affixing kerfs belt, joint filling band) is a kind of novel crack patching material, usually self-adhering type and hot sticky formula two type can be divided into, primary raw material is made up of rubber asphalt and fibrous material, can also comprise high-strength binding material, antiaging agent, antistripping agent etc. in addition.The principle of work of pressing belt is by external force extruding strip material closed fracture, is similar to pavement crack " adhesive bandage ".The technology adopting pressing belt to carry out pavement crack repair is called tooled joint technology, this technology does not need road pavement crack to slot, only need fracture surface simply to clean, there is very high work efficiency, and the secondary disease of slotting and causing can not be produced.Therefore, tooled joint technology compensate for the deficiency of Slit-pouring Technology preferably, becomes the one novel crack fast repairing material of rising in recent years.
Due to the most critical technical indicator that cryogenic property is pressing belt, therefore accurately the demand of cryogenic property test can be carried out to pressing belt more and more urgent, the present invention is exactly the deficiency based on existing cryogenic property measuring technology, a kind of method can carrying out accurate cryogenic property test to novel crack fast repairing materials such as pressing belts is proposed, thus for pressing belt a large amount of production and widely use and performance improve give security.
Summary of the invention
In order to overcome in prior art, deficiency when cryogenic property is tested is carried out to novel crack fast repairing materials such as pressing belts, the present invention aims to provide a kind of cupping machine that utilizes and carries out the method for cryogenic property test to pressing belt, wherein said cupping machine comprises stretching testing machine, Cryo Equipment and processor, described Cryo Equipment is connected with stretching testing machine, and stretching testing machine is connected with processor; It is characterized in that, the method comprises the following steps:
A kind of cupping machine that utilizes carries out the method for cryogenic property test to pressing belt, wherein said cupping machine comprises stretching testing machine, Cryo Equipment and processor, described Cryo Equipment is connected with stretching testing machine, stretching testing machine is connected with processor, it is characterized in that, the method comprises the following steps:
Pressing belt test block preparation process, wherein shaping to wheel tracking test code bituminous concrete cuts according to the size of cryogenic tensile testing mould, obtain two pieces of bituminous concrete test blocks, described two pieces of bituminous concrete test blocks are embedded in two pieces of cryogenic tensile testing moulds respectively, and utilize adhering with epoxy resin to fix, bituminous concrete test block height is higher than cryogenic tensile testing mould side wall, then described two pieces of parallel juxtapositions of cryogenic tensile testing mould had interval therebetween, pressing belt pastes described bituminous concrete test block in the mode being symmetrical in described interval and is exposed on the upper surface of openend side of described testing mould, form described pressing belt test block, wherein said testing mould has framed structure, it has side wall and the bottom end at two ends, top is openend, described framed structure is for placing bituminous concrete test block, in the outside of described framed structure one end side wall, there is Tiebar structure,
Stretching step is installed, wherein described pressing belt test block is positioned in Cryo Equipment, be incubated according to predetermined time and predetermined probe temperature, be arranged on after insulating process terminates on described stretching testing machine, and adopt the two-way relative stretching pressing belt test block of predetermined speed by described Tiebar structure, in test process, keep described presumptive test temperature;
Testing procedure, wherein utilizes described processor automatic acquisition and shows stress-strain curve, and when curve occurs significantly falling change after rise, stopping stretches and records maximum extensibility and the maximum tension stress of pressing belt.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is that a kind of according to an embodiment of the invention cupping machine that utilizes carries out the schematic diagram of the pressing belt test block described in the method for cryogenic property test to pressing belt.
Fig. 2 is that a kind of according to an embodiment of the invention cupping machine that utilizes carries out the schematic diagram of the pressing belt test block described in the method for cryogenic property test to pressing belt.
Fig. 3 is that a kind of according to an embodiment of the invention cupping machine that utilizes carries out the schematic diagram of applied environment in the method for cryogenic property test to pressing belt.
Fig. 4 is the load-displacement curve figure that after low-temperature test according to an embodiment of the invention, fracture occurs pressing belt.
Fig. 5 is the load-displacement curve figure that after low-temperature test according to an embodiment of the invention, fracture occurs pressing belt.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
1-5 is described in further detail the present invention below with reference to accompanying drawings.
Fig. 1 is that a kind of according to an embodiment of the invention cupping machine that utilizes carries out the schematic diagram of the pressing belt test block described in the method for cryogenic property test to pressing belt.As shown in Figure 1, described pressing belt test block comprises testing mould 101 and 102, corresponding with it is bituminous concrete test block 103 and 104, the bituminous concrete test block 103 and 104 shaping with wheel tracking test code is cut according to the size of cryogenic tensile testing mould 101 and 102, obtain two pieces of bituminous concrete test blocks 103 and 104, then described two pieces of bituminous concrete test blocks are embedded in cryogenic tensile testing mould 101 and 102, and with epoxy resin, bituminous concrete test block 103 and 104 is adhesively fixed in cryogenic tensile testing mould 101 and 102, wherein bituminous concrete test block 103 is fixed in testing mould 101, bituminous concrete test block 104 is fixed in testing mould 102.Described bituminous concrete test block 103 and 104 all adopts cube structure.Usually, bituminous concrete test block height is higher than cryogenic tensile testing mould side wall.Then just described cryogenic tensile testing mould 101 juxtaposition parallel with 102, namely described two pieces of bituminous concrete test blocks 103 juxtaposition parallel with 104, and between two pieces of bituminous concrete test blocks 103 and 104, there is interval.In one aspect of the invention, 10mm-30mm is spaced apart between described two pieces of bituminous concrete test blocks.Preferred, be spaced apart 10-20mm between described two pieces of bituminous concrete test blocks.
Described testing mould 101 and 102 has framed structure, and described framed structure has side wall 108 and the bottom end 109 at two ends, and top is openend, and described framed structure is for placing described bituminous concrete test block 103 and 104.In one aspect of the invention, the thickness of side wall is 5mm.Of the present invention in another, described side wall is identical with the thickness of bottom.In the outside of described framed structure one end side wall, there is Tiebar structure 105.Tiebar structure is used for being connected with the tractor of stretching testing machine.Stretching testing machine adopts the two-way relative tractive pressing belt test block of predetermined speed by described Tiebar structure.Two cryogenic tensile testing moulds 101 with 102 Tiebar structure respectively outside relative side wall 108.Between described two testing moulds 101 and 102, there is certain intervals 107.In one aspect of the invention, described interval 107 is 0-20mm, is preferably 0-10mm.Of the present invention in another, only retain the interval of the side wall thicknesses sum of two testing moulds 101 and 102 in parallel between two pieces of bituminous concrete test blocks 103 and 104, namely two testing moulds 101 and 102 are close to.In a preferred embodiment of the invention, the thickness of side wall is 5mm, and two testing moulds 101 and 102 are close to, and make the interval between two pieces of bituminous concrete test blocks 103 and 104 with 10mm.Pressing belt 106 pastes described two pieces of bituminous concrete test blocks 103 and 104 in the mode being symmetrical in described interval 107 and is exposed on the surface of the openend side of testing mould 101 and 102, namely on upper surface as shown in Figure 1.The length of pressing belt is less than the length of the side wall 108 being parallel to pressing belt, and the length of pressing belt certainly also can be made to be more than or equal to the length of the side wall 108 being parallel to pressing belt.In one aspect of the invention, pressing belt to be measured is square or rectangular, and the width of its draw direction is 100-120mm, preferably 120mm.
In the schematic diagram shown in Fig. 1, the material of testing mould and bituminous concrete test block can have multiple choices, and its geometric configuration also can adopt various ways, as long as the two can mate fixing.In addition, Tiebar structure adopts circular Tiebar structure usually, also can adopt the structure of other shapes.Tiebar structure can adopt the mode running through testing mould sidewall, like this need not the clamp structure of design comparison complexity or mechanical fixed structure.The design of the Tiebar structure in the present invention can make two pieces of testing mould generation relative displacements make do not occur lateral shift or tilt phenomenon in tension test process.Such as, can by increasing the mode of the vertical direction surface of contact of Tiebar structure and sidewall.
Fig. 2 is that a kind of according to an embodiment of the invention cupping machine that utilizes carries out the schematic diagram of the pressing belt test block described in the method for cryogenic property test to pressing belt.In this embodiment, two pieces of bituminous concrete test blocks embed in two testing moulds, only retain the interval of the blind end thickness sum of two testing moulds in parallel between two pieces of bituminous concrete test blocks, i.e. two testing moulds next-door neighbours.
The cupping machine that utilizes provided by the invention is stablized the test result that the method that pressing belt carries out cryogenic property test obtains.Can measure the cryogenic property of pressing belt especially exactly with the Distance geometry dimensional parameters of the testing mould adopted in method provided by the invention and test block, measurement result is stable especially, and error is very little, and repeatability is high.
Fig. 3 is a kind of according to an embodiment of the invention schematic diagram utilizing cupping machine pressing belt to be carried out to the applied environment of the method for cryogenic property test.As shown in Figure 3, the cupping machine that cryogenic property test adopts comprises stretching testing machine 201, Cryo Equipment 202 and processor 203, and wherein said Cryo Equipment 202 is connected with stretching testing machine 201, and stretching testing machine 201 is connected with processor 203.In cryogenic property test process, the above-mentioned pressing belt test block prepared is placed in stretching testing machine 201.Stretching testing machine 201 has load sensor and tractor, carries out two-way relative stretching by the Tiebar structure 105 of pressing belt test block to two testing moulds.Described processor 203 is generally PC or server end, the concrete extensograph parameter that can feed back according to stretching testing machine 201 and data and corresponding stress etc. obtain and display stress-strain curve, simultaneously according to the change of curve, determine when to stop stretching, and record is carried out to the maximum extensibility of pressing belt and maximum tension stress.Process of the test and measurement, display, analysis etc. complete by PC or server automatic or manual.
Repeatedly repeated stretching cyclic test can also be carried out in method of the present invention.When carrying out repeatedly repeated stretching cyclic test, can the average elongation of pressing belt and average tension and corresponding data be calculated and be added up, and analyze the parameters such as the fatigue behaviour of pressing belt, the analysis and calculation of above-mentioned parameter can detect described pressing belt can drawing numbers and average behavior index (as average tension, average elongation), to analyze pressing belt can life cycle and serviceable life extremely important.
Cryo Equipment 202 is mainly used in being incubated pressing belt test block, thus meet the demand of test relevant parameter, usual pressing belt test block is placed in Cryo Equipment 202 and the time be incubated is 4 hours or longer time, until the temperature of pressing belt test block drops to predetermined temperature.
In cryogenic tensile experiment, the pressing belt test block fracture after stretched test.Fig. 4 and Fig. 5 display be that the load-displacement curve figure of fracture occurs pressing belt after low-temperature test according to an embodiment of the invention.Pressing belt ruptures due to stretching, relevant parameter during fracture and stress-strain curve have good reference value to the ultimate elongation amount and the important parameter such as extensibility, tension of analyzing pressing belt, must cause the significant change of concrete curve map or the data shown in processor when therefore this crack conditions occurs.In general, curve there will be obvious falling.When pressing belt occurs to rupture completely, tension force vanishing, namely occurs that curve drops to the phenomenon of zero.Not only in some cases, such as, pressing belt generating portion ruptures, and certain layer of such as pressing belt ruptures, and at this moment zigzag fashion appears in curve, and increase after stress falls after rise suddenly, finally occur to rupture completely, stress curve drops to the situation of zero again.In this case relevant parameter when first of appearance falling or last falling can be adopted as required.In general, relevant parameter during last falling is adopted.Processor, to the analysis of above-mentioned data and statistics, possesses significance to the development of pressing belt technology and the cryogenic property test of follow-up new pressing belt.
Shown below is one and the pressing belt test block prepared according to abovementioned steps be used for the concrete test process of cryogenic property test and the example of result:
The pressing belt test block prepared is placed in Cryo Equipment insulation be no less than 4h after, be arranged on cupping machine.With 0.05mm/min speed tensile sample, process of the test keeps the test temperature of regulation.
Process of the test is by processor automatic acquisition and show stress-strain curve, when curve occurs significantly falling change after rise, stops stretching and records maximum extensibility and the maximum tension stress of pressing belt.
When table 1 is below cryogenic tensile test there is design parameter and the result of fracture in pressing belt.Fig. 4 and Fig. 5 is the load-displacement curve figure of the pressing belt after cryogenic tensile test according to an embodiment of the invention, and shown in it is exactly that post-rift load-displacement curve occurs pressing belt, and the probe temperature shown in Fig. 4 and Fig. 5 is respectively-30 DEG C and-20 DEG C.As can be seen from Figure 4 and Figure 5, when temperature is-30 DEG C, when displacement is 13.766mm and pulling force is 1.912KN, curve occurs obviously to fall after rise (namely declining); When temperature is-20 DEG C, when displacement is 14.580mm and pulling force is 1.904KN, curve occurs obviously to fall after rise (namely declining).
Table 1 cryogenic tensile test findings
| Test temperature | Maximum displacement | Maximal force |
| -30℃ | 13.766mm | 1.912KN |
| -20℃ | 14.580mm | 1.904KN |
Treat pressure measurement seamed belt and carry out random sampling, cutting multiple sample of the same area carries out revision test, and test result is stablized, and deviation is in ± 2%.
Certainly, above-mentioned table 1 illustrate only a kind of when probe temperature is for-30 DEG C and-20 DEG C, displacement when pressing belt generation fracture to be tested and the concrete numerical value of value of thrust, be understandable that, can set temperature, thus the maximum displacement of pressing belt and maximum pull value under test different temperatures.Simultaneously, also standard maximum displacement and the maximum pull value of the pressing belt that this kind of material makes can be set according to repeatedly rupture test result, thus when pressing belt completes regulation amount of tension (such as, be near the mark maximum displacement value and value of thrust) time, carry out the multi-drawing loop test of described pressing belt, thus test pressing belt fatigue behaviour and can drawing numbers.
Or, complete regulation amount of tension (as record in the incipient stage 50%, 75% of maximum displacement value or be slightly less than 100% etc.) after, reply at room temperature after taking-up, then the cyclic test that repeatedly stretches, investigate the fatigue behaviour of pressing belt.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of miscellaneous part, unit or step, odd number does not get rid of plural number.Multiple parts, unit or the device of stating in system claims also can be realized by software or hardware by parts, unit or a device.
Claims (9)
1. one kind utilizes cupping machine to carry out the method for cryogenic property test to pressing belt, wherein said cupping machine comprises stretching testing machine, Cryo Equipment and processor, described Cryo Equipment is connected with stretching testing machine, stretching testing machine is connected with processor, it is characterized in that, the method comprises the following steps:
Pressing belt test block preparation process, wherein shaping to wheel tracking test code bituminous concrete cuts according to the size of cryogenic tensile testing mould, obtain two pieces of bituminous concrete test blocks, described two pieces of bituminous concrete test blocks are embedded in two pieces of cryogenic tensile testing moulds respectively, and utilize adhering with epoxy resin to fix, bituminous concrete test block height is higher than cryogenic tensile testing mould side wall, then by described two pieces of parallel juxtapositions of cryogenic tensile testing mould, there is interval therebetween, pressing belt to be measured pastes described bituminous concrete test block in the mode being symmetrical in described interval and is exposed on the upper surface of openend side of described testing mould, form described pressing belt test block, wherein said testing mould has framed structure, it has side wall and the bottom end at two ends, top is openend, in the outside of described framed structure one end side wall, there is Tiebar structure,
Stretching step is installed, wherein described pressing belt test block is positioned in Cryo Equipment, be incubated according to predetermined time and predetermined probe temperature, be arranged on after insulating process terminates on described stretching testing machine, and adopt the two-way relative stretching pressing belt test block of predetermined speed by described Tiebar structure, in test process, keep described presumptive test temperature;
Testing procedure, wherein utilizes described processor automatic acquisition and shows stress-strain curve, and when curve occurs significantly falling change after rise, stopping stretches and records maximum extensibility and the maximum tension stress of pressing belt.
2. utilize cupping machine to carry out the method for cryogenic property test to pressing belt as claimed in claim 1, between wherein said two pieces of bituminous concrete test blocks, be spaced apart 10mm-30mm.
3. utilize cupping machine to carry out the method for cryogenic property test to pressing belt as claimed in claim 2, between two pieces of wherein said testing moulds, be spaced apart 0-20mm.
4. the cupping machine that utilizes according to any one of claim 1-3 carries out the method for cryogenic property test to pressing belt, and the thickness of the side wall of wherein said testing mould is 5mm.
5. the cupping machine that utilizes according to any one of claim 1-3 carries out the method for cryogenic property test to pressing belt, and wherein said pressing belt to be measured is square or rectangular, and the width of its draw direction is 100-120mm.
6. the cupping machine that utilizes according to any one of claim 1-3 carries out the method for cryogenic property test to pressing belt, wherein also comprises and carries out multi-drawing loop test to obtain the step of average elongation, average tension and pressing belt fatigue behaviour index to pressing belt test block.
7. the cupping machine that utilizes according to any one of claim 1-3 carries out the method for cryogenic property test to pressing belt, and wherein said predetermined time is 4 hours or longer time.
8. the cupping machine that utilizes according to any one of claim 1-3 carries out the method for cryogenic property test to pressing belt, and wherein said predetermined speed is 0.05mm/min.
9. the cupping machine that utilizes according to any one of claim 1-3 carries out the method for cryogenic property test to pressing belt, wherein also comprises the step of testing pressing belt bearing capacity, amount of tension and stretching displacement.
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| CN201110154344.4A CN102252915B (en) | 2011-06-09 | 2011-06-09 | A kind of cupping machine that utilizes carries out the method for cryogenic property test to pressing belt |
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| CN201110154344.4A CN102252915B (en) | 2011-06-09 | 2011-06-09 | A kind of cupping machine that utilizes carries out the method for cryogenic property test to pressing belt |
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| CN102252915B true CN102252915B (en) | 2015-12-02 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980803B (en) * | 2012-11-19 | 2015-07-01 | 华南理工大学 | Stretching test fixture and stretching test method for pitch ultra-thin overlaying layer test piece |
| CN104198685B (en) * | 2014-08-26 | 2016-06-22 | 交通运输部公路科学研究所 | For evaluating test suite and the method for the road traveling performance of patch seam glue |
| CN105675852B (en) * | 2014-08-26 | 2017-12-01 | 交通运输部公路科学研究所 | The method of the road traveling performance of evaluation patch seam glue |
| CN104198373B (en) * | 2014-08-26 | 2017-01-11 | 交通运输部公路科学研究所 | Test assembly and method for evaluating construction performance of seam sealing adhesive |
| CN105784484B (en) * | 2016-04-26 | 2018-06-08 | 山西省交通科学研究院 | A kind of crack pointing performance testing device |
| CN106198941B (en) * | 2016-06-17 | 2018-01-30 | 哈尔滨工业大学 | A kind of method evaluated heat and fill class base joint grouting glue high-temperature behavior |
| CN108280303A (en) * | 2018-01-30 | 2018-07-13 | 南京林业大学 | pitch data processing method and device |
| CN109357951A (en) * | 2018-10-26 | 2019-02-19 | 济南大学 | The method and device of material property extension test under a kind of low temperature |
| CN112710818A (en) * | 2020-12-23 | 2021-04-27 | 中冶路桥建设有限公司 | Method and device for evaluating low-temperature performance of asphalt pavement crack repairing material |
| CN113720703A (en) * | 2021-09-15 | 2021-11-30 | 南京林业大学 | Method for researching mechanism of graphene for enhancing mechanical properties of asphalt |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006098182A (en) * | 2004-09-29 | 2006-04-13 | Dow Corning Toray Co Ltd | Inspection method and inspection tool of execution sealant |
| CN101603901A (en) * | 2009-06-05 | 2009-12-16 | 哈尔滨工业大学 | Instrument for measuring low-temperature performance of road gap-grouting material |
-
2011
- 2011-06-09 CN CN201110154344.4A patent/CN102252915B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006098182A (en) * | 2004-09-29 | 2006-04-13 | Dow Corning Toray Co Ltd | Inspection method and inspection tool of execution sealant |
| CN101603901A (en) * | 2009-06-05 | 2009-12-16 | 哈尔滨工业大学 | Instrument for measuring low-temperature performance of road gap-grouting material |
Non-Patent Citations (4)
| Title |
|---|
| 《沥青路面的灌缝体系 施工工艺、失效模式及性能评价》;李峰;《百度文库》;20110511;42-43 * |
| 基层封缝带的特性及其应用研究;孙俊华;《交通科技》;20101031;全文 * |
| 沥青路面裂缝修补技术的综合研究;张泉;《交通标准化》;20071130;全文 * |
| 道桥用防水涂料（JC/T975-2005);中华人民共和国国家发展和改革委员会;《中华人民共和国建材行业标准》;20050214;全文 * |
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