CN108507884A - The detection device of inter-layer shearing strength in a kind of asphalt concrete layer - Google Patents
The detection device of inter-layer shearing strength in a kind of asphalt concrete layer Download PDFInfo
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- CN108507884A CN108507884A CN201810230811.9A CN201810230811A CN108507884A CN 108507884 A CN108507884 A CN 108507884A CN 201810230811 A CN201810230811 A CN 201810230811A CN 108507884 A CN108507884 A CN 108507884A
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- shearing strength
- asphalt concrete
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to bituminous concrete production technical fields, and in particular to the detection device of inter-layer shearing strength in a kind of asphalt concrete layer, including shell, pressure assembly and detection components；The present invention provides a kind of detection devices of inter-layer shearing strength in asphalt concrete layer, the practical soil layer compression situation of simulation, it is pressed by screw arbor assembly at top, vertical shearing strength is detected by the pressure sensor of bottom, flapper is driven to move using magnet assembly simultaneously, horizontal direction extends after corresponding soil layer is pressurized, to be scaled horizontal shear force, optimizing detection result.
Description
Technical field
The present invention relates to bituminous concrete production technical fields, and in particular to shearing strength at intersection is strong in a kind of asphalt concrete layer
The detection device of degree.
Background technology
Vehicular load failure by shear is to cause road surface that cracking and a kind of damaged main reason occurs, in the past due to testing skill
The various aspects reason such as art and testing equipment, does not clearly require the experiment of pavement structure shear behavior, also without suitable
Test tool carry out asphalt and road surface interlayer shear-strength test.
Invention content
(1) the technical issues of solving
The purpose of the present invention is to overcome the deficiency in the prior art, and provides inter-layer shearing strength in a kind of asphalt concrete layer
Detection device.
(2) technical solution
The detection device of inter-layer shearing strength in a kind of asphalt concrete layer, including shell, pressure assembly and detection components；
Side connection is extraneous before and after the shell；The shell includes horizontal segment and vertical section, and vertical section vertical connection horizontal segment stage casing is erected
Sealing at the top of straight section；The pressure assembly is arranged in vertical section；The detection components include horizontal shear force detection components and erect
Staight scissors shear force detection components, the setting of horizontal shear force detection components exist in left section of horizontal segment, vertical shear force detection component setting
Horizontal segment stage casing bottom；The horizontal segment left end sealing, right end connection are extraneous；The horizontal segment bottom surface is provided with graduation mark.
Preferably, the pressure assembly includes screw rod, pressing plate and sliding block, and screw rod is screwed onto vertical section top plate, and screw rod is downward
Across vertical section top plate and it is connected with pressing plate, pressing plate or so end is provided with bar shaped sliding block, and vertical section inner wall is correspondingly arranged on vertically
Sliding slot, sliding block are slidably connected with sliding slot.
Preferably, the screw rod is equipped with scale, and screw tip is connected with handle.
Preferably, the pressing plate bottom surface is bolted with force-applying piece.
Preferably, sliding block bottom end connection pressing plate end.
Preferably, the horizontal shear force detection components include No.1 electromagnet, No. two electromagnet, flapper and pulling force
Meter, flapper are slidably connected in horizontal segment, and No.1 electromagnet and No. two electromagnet are separately positioned on horizontal segment left end and work
On dynamic baffle opposite face, tensiometer is also associated between horizontal segment left end and flapper.
Preferably, the No.1 electromagnet and No. two electromagnet are circumscribed with power supply respectively.
Preferably, the horizontal segment length, width and height are more than the length, width and height of bituminous concrete block to be detected.
Preferably, the vertical shear force detection component includes pressure sensor, and horizontal segment stage casing is arranged in pressure sensor
Bottom is simultaneously circumscribed with display screen.
(3) advantageous effect
The present invention provides a kind of detection devices of inter-layer shearing strength in asphalt concrete layer, simulate practical soil layer and are pressurized
Situation is pressed at top by screw arbor assembly, is detected vertical shearing strength by the pressure sensor of bottom, is utilized simultaneously
Horizontal direction extends after magnet assembly drives flapper movement, corresponding soil layer to be pressurized, to be scaled horizontal shear force, optimization
Testing result.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments that the present invention protects, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure chart of the present invention；
In attached drawing, parts list represented by the reference numerals are as follows：
1- shells, 101- vertical sections, 102- horizontal segments, 103- graduation marks, 2- pressure assemblies, 201- screw rods, 202- handles,
203- pressing plates, 204- force-applying pieces, 205- sliding blocks, 3- detection components, 301- No.1 electromagnet, No. bis- electromagnet of 302-, 303- live
Dynamic baffle, 304- tensiometers, 5- bituminous concrete blocks, 6- pressure sensors, 601- display screens.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Referring to attached drawing, the detection device of inter-layer shearing strength in a kind of asphalt concrete layer, including shell 1, pressure assembly 2
And detection components；Side connection is extraneous before and after shell 1；Shell 1 includes horizontal segment 102 and vertical section 101, and vertical section 101 vertically connects
Logical 102 stage casing of horizontal segment, 101 top sealing of vertical section；Pressure assembly 2 is arranged in vertical section 101；Detection components are cut including level
Shear force detection components 3 and vertical shear force detection component, horizontal shear force detection components 3 are arranged in 102 left sections of horizontal segment, vertically
Shear force detection component is arranged in 102 stage casing bottom of horizontal segment；The sealing of 102 left end of horizontal segment, right end connection are extraneous；Horizontal segment
102 bottom surfaces are printed on graduation mark.
Wherein, pressure assembly 2 includes screw rod 201, pressing plate 203 and sliding block 205, and screw rod 201 is screwed onto the top of vertical section 101
Plate, screw rod 201 are passed down through 101 top plate of vertical section and are connected with pressing plate 203, and the end of pressing plate 203 or so is connected with bar shaped sliding block
205,101 inner wall of vertical section correspondence is machined with vertical chute, and sliding block 205 is slidably connected with sliding slot.
Wherein, scale is machined on screw rod 201, screw top 201 is connected with handle 202.
Wherein, 203 bottom surface of pressing plate is bolted with force-applying piece 204, convenient for different pressure in simulation reality.
Wherein, 205 bottom end of sliding block connection pressing plate, 203 end.
Wherein, horizontal shear force detection components include 301, No. two electromagnet 302 of No.1 electromagnet, flapper 303 and
Tensiometer 304, flapper 303 are slidably connected in horizontal segment 102, and No.1 electromagnet 301 and No. two electromagnet 302 are pacified respectively
On 303 opposite face of 102 left end of horizontal segment and flapper, it is also associated between 102 left end of horizontal segment and flapper 303
Tensiometer 304.
Wherein, No.1 electromagnet 301 and No. two electromagnet 302 are circumscribed with power supply respectively.
Wherein, 102 length, width and height of horizontal segment are more than the length, width and height of bituminous concrete block 5 to be detected.
Wherein, shearing detection components include pressure sensor 6 vertically, and pressure sensor 6 installs 102 sections of stage casings of level bottom
And it is circumscribed with display screen 601, real-time display pressure.
Specifically, soil sample block to be detected is put into 5 stage casing of horizontal segment, and start the first electromagnet 301, the second electromagnet
302, adjustment opposite end is heteropolar, makes flapper 303 far from soil sample block, and records 304 registration of tensiometer at this time；Adjustment screw
201 band dynamic pressure plates 203 move down and make the lower soil sample block top surface of the effect of force-applying piece 204, and vertical shearing force 6 is checked according to display screen registration
Registration, and distance is moved down according to soil sample block deformation degree combination screw rod 201 and determines shearing strength；Since soil sample stress also can be circumferential
Extend, record soil sample left end corresponds to scale variation, and the first electromagnet 301 of adjustment, the second electromagnet 302 make flapper 303
It moves at this, records 304 registration of tensiometer at this time, registration difference is horizontal shear force twice.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, also do not limit the specific implementation mode that the invention is only.Obviously, according to the content of this specification, can make
Many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the original of the present invention
Reason and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only authorized
The limitation of sharp claim and its full scope and equivalent.
Claims (9)
1. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer, it is characterised in that：Including shell, pressure assembly and
Detection components；Side connection is extraneous before and after the shell；The shell includes horizontal segment and vertical section, and vertical section vertical connection is horizontal
Section stage casing, the sealing of vertical section top；The pressure assembly is arranged in vertical section；The detection components include horizontal shear force detection
Component and vertical shear force detection component, horizontal shear force detection components are arranged in left section of horizontal segment, vertical shear force detection group
Part is arranged in horizontal segment stage casing bottom；The horizontal segment left end sealing, right end connection are extraneous；The horizontal segment bottom surface is provided with quarter
Spend line.
2. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer according to claim 1, it is characterised in that：
The pressure assembly includes screw rod, pressing plate and sliding block, and screw rod is screwed onto vertical section top plate, and screw rod is passed down through vertical section top plate simultaneously
It is connected with pressing plate, pressing plate or so end is provided with bar shaped sliding block, and vertical section inner wall is correspondingly arranged on vertical chute, and sliding block is slided with sliding slot
Dynamic connection.
3. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer according to claim 2, it is characterised in that：
The screw rod is equipped with scale, and screw tip is connected with handle.
4. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer according to claim 2, it is characterised in that：
The pressing plate bottom surface is bolted with force-applying piece.
5. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer according to claim 2, it is characterised in that：
Sliding block bottom end connection pressing plate end.
6. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer according to claim 1, it is characterised in that：
The horizontal shear force detection components include No.1 electromagnet, No. two electromagnet, flapper and tensiometer, flapper sliding
It being connected in horizontal segment, No.1 electromagnet and No. two electromagnet are separately positioned on horizontal segment left end and flapper opposite face,
It is also associated with tensiometer between horizontal segment left end and flapper.
7. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer according to claim 6, it is characterised in that：
The No.1 electromagnet and No. two electromagnet are circumscribed with power supply respectively.
8. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer according to claim 1, it is characterised in that：
The horizontal segment length, width and height are more than the length, width and height of bituminous concrete block to be detected.
9. the detection device of inter-layer shearing strength in a kind of asphalt concrete layer according to claim 1, it is characterised in that：
The vertical shear force detection component includes pressure sensor, and pressure sensor setting horizontal segment stage casing bottom is simultaneously circumscribed with display
Screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230811.9A CN108507884A (en) | 2018-03-20 | 2018-03-20 | The detection device of inter-layer shearing strength in a kind of asphalt concrete layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230811.9A CN108507884A (en) | 2018-03-20 | 2018-03-20 | The detection device of inter-layer shearing strength in a kind of asphalt concrete layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108507884A true CN108507884A (en) | 2018-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810230811.9A Pending CN108507884A (en) | 2018-03-20 | 2018-03-20 | The detection device of inter-layer shearing strength in a kind of asphalt concrete layer |
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| CN (1) | CN108507884A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411860A (en) * | 2019-07-04 | 2019-11-05 | 广州大学 | Shearing test device and test method between a kind of asphalt pavement structural layer |
| CN112240858A (en) * | 2020-10-03 | 2021-01-19 | 苏英 | Thickness detection device is used in processing of pitch compounding |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203011784U (en) * | 2013-01-04 | 2013-06-19 | 南京工业大学 | Equipment for detecting shearing strength between inner layers of asphalt concrete layers |
| CN203785970U (en) * | 2014-04-30 | 2014-08-20 | 西南交通大学 | Auxiliary measuring device for interlayer shearing strength of bituminous mixture |
| CN205562304U (en) * | 2016-04-08 | 2016-09-07 | 中国民航大学 | Inclined plane shear test device |
| CN206531738U (en) * | 2017-03-17 | 2017-09-29 | 芦文红 | The detection device of inter-layer shearing strength in asphalt concrete layer |
-
2018
- 2018-03-20 CN CN201810230811.9A patent/CN108507884A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203011784U (en) * | 2013-01-04 | 2013-06-19 | 南京工业大学 | Equipment for detecting shearing strength between inner layers of asphalt concrete layers |
| CN203785970U (en) * | 2014-04-30 | 2014-08-20 | 西南交通大学 | Auxiliary measuring device for interlayer shearing strength of bituminous mixture |
| CN205562304U (en) * | 2016-04-08 | 2016-09-07 | 中国民航大学 | Inclined plane shear test device |
| CN206531738U (en) * | 2017-03-17 | 2017-09-29 | 芦文红 | The detection device of inter-layer shearing strength in asphalt concrete layer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411860A (en) * | 2019-07-04 | 2019-11-05 | 广州大学 | Shearing test device and test method between a kind of asphalt pavement structural layer |
| CN110411860B (en) * | 2019-07-04 | 2022-05-10 | 广州大学 | Interlaminar shear test device and method for asphalt pavement structure |
| CN112240858A (en) * | 2020-10-03 | 2021-01-19 | 苏英 | Thickness detection device is used in processing of pitch compounding |
| CN112240858B (en) * | 2020-10-03 | 2022-09-06 | 益阳鸿鑫实业有限公司 | Pitch compounding processing is with consistency detection device |
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Application publication date: 20180907 |
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| RJ01 | Rejection of invention patent application after publication |