CN104777095B - A kind of device and method that fatigue behaviour is bonded for test pavement gap-grouting material - Google Patents
A kind of device and method that fatigue behaviour is bonded for test pavement gap-grouting material Download PDFInfo
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- CN104777095B CN104777095B CN201510167100.8A CN201510167100A CN104777095B CN 104777095 B CN104777095 B CN 104777095B CN 201510167100 A CN201510167100 A CN 201510167100A CN 104777095 B CN104777095 B CN 104777095B
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Abstract
A kind of device and method that fatigue behaviour is bonded for test pavement gap-grouting material, the testing equipment of the cohesive fatigue property test include test device, shaking platform and base, and wherein shaking platform is connected with base by four springs.Two motors are housed in the bottom surface of shaking platform, motor is engaged by gear with two eccentric shafts, and two eccentric shafts are separately positioned on both horizontally and vertically.Rubber layer is provided with the bottom surface of base to prevent whole device from operationally vibrating generation slip.One piece in two pieces of test specimens is fixed on shaking platform, another piece is fixed on the test lead that bottom can move freely equipped with universal wheel, two pieces of experiment test specimens are bonded together by pavement seam filling material, vibration is both vertically and horizontally being produced, accumulative time of vibration, vibration class and the interfacial failure grade comprehensive and quantitative evaluation pavement seam filling material destroyed with bonding interface bonds fatigue behaviour.The present invention is used for test pavement gap-grouting material and bonds fatigue behaviour.
Description
Technical field：
The present invention relates to a kind of testing equipment, and in particular to a kind of to bond fatigue behaviour for test pavement gap-grouting material
Device and method.
Background technology
Crack is one of Major Diseases of bituminous paving.The presence in crack causes the ponding of road table or other impurities to pass through
Crack enters roadbase, cuts down road overall intensity and stability significantly, road is received more serious destruction.At me
State's northern area, temperature Change is fast, and day and night temperature is big and cold weather, the crack problem of bituminous paving are especially prominent.
The processing method of fracture is typically to be repaired with gap-grouting material fracture both at home and abroad at present, initially use hot
Matrix pitch carries out the cementation of fissures, but because matrix pitch performance is unsatisfactory for requirement, occurs other problemses quickly after the cementation of fissures.
SBS modified pitch gap-grouting material is used widely with its excellent performance in asphalt pavement crack repairing, but SBS is modified drip
Green grass or young crops is a kind of non-polar material, and the adhesion strength between old pavement is relatively low, easily occurs the cementation of fissures material during low-temperature shrink on road surface
Material is peeled off with old pavement to come off, and regenerates crack.Nowadays gap-grouting material on the market makes rapid progress, performance also it is irregular not
Together, but neither one simple effective method is evaluated the performance of gap-grouting material all the time.
Gap-grouting material is not only directly exposed in external environment, but also will be in the presence of wheel load by two pieces of disconnections
Road surface be bonded together, therefore how to test and evaluate performance of the gap-grouting material in the presence of reloading, deformation and enter
It is the key point for the excellent summary of performance for evaluating gap-grouting material.However, among existing technology and equipment, reported and be used for
The equipment for testing gap-grouting material performance, it is thus still scarce at present without test process can be completed under the conditions of upper institute
Weary this equipment.
Repetition relative displacement between the wheel load and two block road plates that are repeated using which kind of method simulation, which is turned into, surveys
A big difficult point and emphasis for the performance of gap-grouting material is tried, the time for timely recording Crack failure failure is also a difficulty
Point.
The content of the invention：
The technical problem to be solved in the present invention is to provide a kind of setting for fatigue behaviour is bonded for test pavement gap-grouting material
Standby and method, for the performance of simulation test pavement seam filling material, so as to solve pavement seam filling material performance
Test problem, finally in order to solve the problems, such as that engineering evaluates pavement seam filling material quality in practice.
In order to solve the above-mentioned technical problem the present invention adopts the technical scheme that：
It is a kind of that the equipment of fatigue behaviour is bonded for test pavement gap-grouting material, including base and be arranged on base
Shaking platform, it is connected between base and shaking platform by some springs being evenly arranged, the bottom of shaking platform is provided with
Two adjustable motors of rotating speed, the output shaft of two motors pass through gear and the vertical eccentric axle being fixed on shaking platform respectively
It is meshed with horizontal eccentric shaft；
Test device is provided with above shaking platform, test device includes fixing end and movable end, wherein, test device
Fixing end include the test fixing end base that is fixed on shaking platform and be fixed on the survey tested above fixing end base
Fixing end test specimen neck is tried, the movable end of test device includes test activity end base and is fixed on the base of test activity end
The test activity end test specimen neck of side；
During test, test fixing end test specimen is fixed in test fixing end test specimen neck, and test activity end test specimen is fixed on
In the test specimen neck of test activity end, and test between fixing end test specimen and test activity end test specimen and be connected by bonding interface；
Disengaging time recorder for recording bonding interface time to rupture is arranged on test fixing end base.
Further improve of the invention is：Base is fixed on testing stand, and is additionally provided between base and testing stand
Rubber antiskid layer.
Further improve of the invention is：It is flat that the upper end of each spring is fixed on vibration by upper lateral spring fixing pipe
The bottom of platform, the lower end of each spring are fixed on base by lower lateral spring fixing pipe.
Further improve of the invention is：Test fixing end base is fixed on by testing fixing end base fixed screw
On shaking platform；Test fixing end test specimen neck is fixed on test fixing end base by testing the vertical standing screw of fixing end
Top；Test fixing end test specimen is fixed in test fixing end test specimen neck by testing the horizontal standing screw of fixing end.
Further improve of the invention is：Test activity end base is arranged on by some universal wheels being evenly arranged to shake
On moving platform；Test activity end test specimen neck is fixed on the base of test activity end by the vertical standing screw in test activity end；
Test activity end test specimen is fixed in the test specimen neck of test activity end by the horizontal standing screw in test activity end.
Further improve of the invention is：The configuration of test activity end is additionally provided with the base of test activity end.
Further improve of the invention is：Two sets of test devices and disengaging time recorder are provided with shaking platform.
A kind of method that fatigue behaviour is bonded for test pavement gap-grouting material, this method is based on above-mentioned for testing road
The equipment that face gap-grouting material bonds fatigue behaviour, including following operating procedure：
Step 1: ground surface material to be made to 300mm*300mm*50mm standard rut plate test specimen, tried with two blocks of rut plates
Two blocks of rut plates are then passed through standing screw by the state that the backlash pavement crack of part passes through after grooving processing again respectively
It is fixed on the fixing end and movable end of test device；
Step 2: be bonded together the rut plate of two piece of one determining deviation with quantitative pavement seam filling material, and in room temperature
Lower health 24h, in case follow-up test uses；
Step 3: disengaging time recorder is fixed on bonding interface, recorder is reset, opens shaking platform simultaneously
Start timing, during progress is tested, vibration frequency and direction of vibration are converted according to specific pre-set programs, until bonding boundary
Face is destroyed, now two pieces of rut plate test specimen separation, reads the time to rupture that disengaging time recorder is recorded；
Integrated Step 4: the time destroyed with bonding interface, the vibration class of shaking platform and bonding interface destroy grade
Evaluate pavement seam filling material and bond fatigue behaviour；The time that bonding interface destroys directly is read by disengaging time recorder；Vibration
The vibration class of platform is determined by vibration mode set in advance；The interface being exposed during off-test is that gap-grouting material glues
The destruction interface of junction interface.
Compared with prior art, the invention has effective effect that：
Test equipment provided by the invention realizes the test of pavement seam filling material performance, and advantage is：It is breached
The limitation of load mode, apply the lotus repeated to the gap-grouting material bonding interface tested using principle of inertia using shaking platform
Carry and produce the relative displacement repeated.
The present invention can complete two groups of experiments simultaneously in terms of method of testing, ensure that stronger relativity and experiment are imitated
Rate；In terms of record data, can test specimen destroys under accurate recording time, ensure the repeatability of the degree of accuracy and the experiment of data；
Accumulative time of vibration, vibration class and the interfacial failure grade comprehensive and quantitative evaluation pavement seam filling material destroyed with bonding interface glues
Tie fatigue behaviour.
In summary, the present invention predominantly solve engineering in practice pavement crack processing and develop, available for testing road
The performance of face gap-grouting material.
Brief description of the drawings：
Fig. 1 is that the present invention is used for the front view that test pavement gap-grouting material bonds the equipment of fatigue behaviour；
Fig. 2 is Fig. 1 top view；
In figure：1-shaking platform, 1-1-base, 1-2-rubber antiskid layer, 1-3-lower lateral spring fixing pipe, 1-4-
Upper lateral spring fixing pipe, 1-5-spring, 2-motor, 2-1-vertical eccentric axle, 2-2-horizontal eccentric shaft, 3-test are fixed
Base, the 3-1-horizontal standing screw of test fixing end, 3-2-test fixing end base fixed screw are held, 3-3-test is fixed
Hold vertical standing screw, 3-4-test fixing end test specimen neck, 4-test activity end base, 4-1-test activity end level
Standing screw, 4-2-universal wheel, 4-3-test activity end counterweight, the 4-4-vertical standing screw in test activity end, 4-5-survey
Try movable end test specimen neck, 5-test activity end test specimen, 6-test fixing end test specimen, 7-bonding interface, 8-disengaging time
Recorder.
Embodiment：
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of equipment that fatigue behaviour is bonded for test pavement gap-grouting material of the present invention, including
Base 1-1 and the shaking platform 1 being arranged on base 1-1, base 1-1 is fixed on testing stand, and base 1-1 and testing stand
Between be additionally provided with rubber antiskid layer 1-2, slided caused by vibration during preventing that whole device from running；Base 1-1 is flat with vibration
It is connected between platform 1 by some spring 1-5 being evenly arranged, each spring 1-5 upper end passes through upper lateral spring fixing pipe
1-4 is fixed on the bottom of shaking platform 1, and each spring 1-5 lower end is fixed on base 1- by lower lateral spring fixing pipe 1-3
On 1；The bottom of shaking platform 1 is provided with the adjustable motor 2 of two rotating speeds, the output shafts of two motors 2 respectively by gear with
The vertical eccentric axle 2-1 and horizontal eccentric shaft 2-2 being fixed on shaking platform 1 are meshed, and can provide horizontal direction respectively and hang down
The upward vibration of Nogata；
The top of shaking platform 1 is provided with test device, and test device includes fixing end and movable end, wherein, test dress
The fixing end put includes the test fixing end base 3 being fixed on shaking platform 1 and is fixed on the top of test fixing end base 3
Test fixing end test specimen neck 3-4, the movable end of test device includes test activity end base 4 and is fixed on test activity
Hold the test activity end test specimen neck 4-5 of the top of base 4；
During test, test fixing end test specimen 6 is fixed in test fixing end test specimen neck 3-4, and test activity end test specimen 5 is solid
It is scheduled in the test specimen neck 4-5 of test activity end, and tests fixing end test specimen 6 and glued with test activity end test specimen 5 by gap-grouting material
Knot is used to test after maintenance forms intensity together, and record bonding interface 7 is arranged on bonding interface 7, when bonding interface destroys
Shi Jilu bonding interfaces 7 can record time to rupture, and the disengaging time recorder 8 for recording the time to rupture of bonding interface 7 is set
Put on test fixing end base 3.
Above-mentioned test fixing end base 3 is fixed on shaking platform 1 by testing fixing end base fixed screw 3-2；Survey
Examination fixing end test specimen neck 3-4 is fixed on the top of test fixing end base 3 by testing the vertical standing screw 3-3 of fixing end；
Test fixing end test specimen 6 is fixed in test fixing end test specimen neck 3-4 by testing the horizontal standing screw 3-1 of fixing end.Survey
Examination movable end base 4 is arranged on shaking platform 1 by some universal wheel 4-2 being evenly arranged, and can freely vibrated
It is movable on platform 1；Test activity end test specimen neck 4-5 is fixed on test activity by the vertical standing screw 4-4 in test activity end
Hold on base 4；Test activity end test specimen 5 is fixed on test activity end test specimen card by the horizontal standing screw 4-1 in test activity end
In groove 4-5.
Further, configuration 4-3 in test activity end is additionally provided with test activity end base 4.
Further, two sets of test devices and disengaging time recorder 8 are provided with shaking platform 1, can be in the same terms
It is lower to carry out two groups of experiments simultaneously, strengthen the accuracy of the comparative and data of experiment and improve test efficiency.
A kind of method that fatigue behaviour is bonded for test pavement gap-grouting material of the present invention, this method are based on above-mentioned for surveying
Try the equipment that pavement seam filling material bonds fatigue behaviour, including following operating procedure：
Step 1: ground surface material to be made to 300mm*300mm*50mm standard rut plate test specimen, tried with two blocks of rut plates
Two blocks of rut plates are then passed through standing screw by the state that the backlash pavement crack of part passes through after grooving processing again respectively
It is fixed on the fixing end and movable end of test device；
Step 2: be bonded together the rut plate of two piece of one determining deviation with quantitative pavement seam filling material, and in room temperature
Lower health 24h, in case follow-up test uses；
Step 3: disengaging time recorder is fixed on bonding interface, recorder is reset, opens shaking platform simultaneously
Start timing, during progress is tested, vibration frequency and direction of vibration, specific vibration are converted according to specific pre-set programs
Grade is shown in Table one.Sustained vibration destroys until bonding interface, and now two pieces of rut plate test specimen separation, read disengaging time recorder
The time to rupture recorded；
Integrated Step 4: the time destroyed with bonding interface, the vibration class of shaking platform and bonding interface destroy grade
Evaluate pavement seam filling material and bond fatigue behaviour；The time that bonding interface destroys directly is read by disengaging time recorder；Vibration
The vibration class of platform is determined by vibration mode set in advance, is shown in Table one；The interface being exposed during off-test is to fill
The destruction interface of material bonding interface is stitched, the destruction grade for destroying interface is shown in Table two.
The shaking platform vibration class of table one
Vibration class score is higher, and explanation oscillation intensity is higher.
Table two destroys interface grade evaluation index
Interface ranking score is higher, and bonding interface when illustrating to destroy between pavement seam filling material and road surface is more complete.
Claims (6)
- A kind of 1. equipment that fatigue behaviour is bonded for test pavement gap-grouting material, it is characterised in that：Including base (1-1) and set The shaking platform (1) on base (1-1) is put, passes through some bullets being evenly arranged between base (1-1) and shaking platform (1) Spring (1-5) is connected, and the bottom of shaking platform (1) is provided with two adjustable motors of rotating speed (2), the output of two motors (2) Axle is meshed by gear with the vertical eccentric axle (2-1) and horizontal eccentric shaft (2-2) being fixed on shaking platform (1) respectively；Test device is provided with above shaking platform (1), test device includes fixing end and movable end, wherein, test device Fixing end include the test fixing end base (3) that is fixed on shaking platform (1) and be fixed on test fixing end base (3) The test fixing end test specimen neck (3-4) of top, the movable end of test device include test activity end base (4) and are fixed on Test activity end test specimen neck (4-5) above test activity end base (4)；During test, test fixing end test specimen (6) is fixed in test fixing end test specimen neck (3-4), test activity end test specimen (5) It is fixed in test activity end test specimen neck (4-5), and tests between fixing end test specimen (6) and test activity end test specimen (5) and lead to Bonding interface (7) is crossed to be connected；Disengaging time recorder (8) for recording bonding interface (7) time to rupture is arranged on test On fixing end base (3)；Wherein, test activity end base (4) is arranged on shaking platform (1) by some universal wheels (4-2) being evenly arranged；Survey Examination movable end test specimen neck (4-5) is fixed on test activity end base (4) by test activity end vertical standing screw (4-4) On；Test activity end test specimen (5) is fixed on test activity end test specimen neck by test activity end horizontal standing screw (4-1) In (4-5)；Base (1-1) is fixed on testing stand, and base (1-1) is additionally provided with rubber antiskid layer (1-2) between testing stand.
- 2. the equipment according to claim 1 that fatigue behaviour is bonded for test pavement gap-grouting material, it is characterised in that：Often The upper end of individual spring (1-5) is fixed on the bottom of shaking platform (1), each spring (1- by upper lateral spring fixing pipe (1-4) 5) lower end is fixed on base (1-1) by lower lateral spring fixing pipe (1-3).
- 3. the equipment according to claim 1 that fatigue behaviour is bonded for test pavement gap-grouting material, it is characterised in that：Survey Examination fixing end base (3) is fixed on shaking platform (1) by testing fixing end base fixed screw (3-2)；Test fixing end Test specimen neck (3-4) is fixed on the top of test fixing end base (3) by testing the vertical standing screw of fixing end (3-3)；Survey Examination fixing end test specimen (6) is fixed on test fixing end test specimen neck (3-4) by testing the horizontal standing screw of fixing end (3-1) It is interior.
- 4. the equipment according to claim 1 that fatigue behaviour is bonded for test pavement gap-grouting material, it is characterised in that：Survey Test activity end configuration (4-3) is additionally provided with examination movable end base (4).
- 5. the equipment according to claim 1 that fatigue behaviour is bonded for test pavement gap-grouting material, it is characterised in that：Shake Two sets of test devices and disengaging time recorder (8) are provided with moving platform (1).
- A kind of 6. method that fatigue behaviour is bonded for test pavement gap-grouting material, it is characterised in that：This method will based on right Ask the equipment for being used for test pavement gap-grouting material and bonding fatigue behaviour any one of 1 to 5, including following operating procedure：Step 1: ground surface material to be made to 300mm*300mm*50mm standard rut plate test specimen, with two pieces of rut plate test specimens The state that backlash pavement crack passes through after grooving processing again, is then fixed two blocks of rut plates by standing screw respectively In the fixing end and movable end of test device；Step 2: being bonded together the rut plate of two piece of one determining deviation with quantitative pavement seam filling material, and support at room temperature Raw 24h, in case follow-up test uses；Step 3: disengaging time recorder is fixed on bonding interface, recorder is reset, shaking platform is opened and starts simultaneously at Timing, during progress is tested, vibration frequency and direction of vibration are converted according to specific pre-set programs, until bonding interface is broken It is bad, now two pieces of rut plate test specimen separation, read the time to rupture that disengaging time recorder is recorded；Step 4: the time destroyed with bonding interface, the vibration class of shaking platform and bonding interface destroy grade Comprehensive Assessment Pavement seam filling material bonds fatigue behaviour；The time that bonding interface destroys directly is read by disengaging time recorder；Shaking platform Vibration class determined by vibration mode set in advance；The interface being exposed during off-test is that gap-grouting material bonds boundary The destruction interface in face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167100.8A CN104777095B (en) | 2015-04-09 | 2015-04-09 | A kind of device and method that fatigue behaviour is bonded for test pavement gap-grouting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167100.8A CN104777095B (en) | 2015-04-09 | 2015-04-09 | A kind of device and method that fatigue behaviour is bonded for test pavement gap-grouting material |
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| Publication Number | Publication Date |
|---|---|
| CN104777095A CN104777095A (en) | 2015-07-15 |
| CN104777095B true CN104777095B (en) | 2017-12-22 |
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| CN201510167100.8A Expired - Fee Related CN104777095B (en) | 2015-04-09 | 2015-04-09 | A kind of device and method that fatigue behaviour is bonded for test pavement gap-grouting material |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560812A (en) * | 2017-08-17 | 2018-01-09 | 长春中车轨道车辆有限公司 | Car information display screen vibration testing device |
| CN108362857B (en) * | 2018-01-19 | 2022-02-08 | 同济大学 | Model test device for soil mass large deformation flow test under earthquake action |
| CN108663500B (en) * | 2018-06-15 | 2020-11-06 | 赵银宝 | Adhesive performance testing device |
| CN110887778A (en) * | 2019-11-26 | 2020-03-17 | 长安大学 | Bridge deck expansion joint filling material fatigue life testing device and testing method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4507953A (en) * | 1982-08-26 | 1985-04-02 | Vandermeerssche Gaston A | Abrasion testing machine |
| CN2743829Y (en) * | 2004-10-26 | 2005-11-30 | 东风汽车有限公司 | Vibration test stand for electronic and electrical products |
| CN101603901B (en) * | 2009-06-05 | 2011-01-26 | 哈尔滨工业大学 | Instrument for measuring low-temperature performance of road gap-grouting material |
| CN202793922U (en) * | 2012-08-27 | 2013-03-13 | 西安科技大学 | Pavement material shearing intensity and shearing fatigue tester based on strip-type test piece |
| CN103983511B (en) * | 2014-04-23 | 2016-08-31 | 河海大学 | A kind of suspension cable fatigue machine |
| CN204514786U (en) * | 2015-04-09 | 2015-07-29 | 长安大学 | A kind of equipment for testing pavement seam filling material bonding fatigue behaviour |
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