CN207700013U - A kind of asphalt Reflective Cracking Resistance detection device - Google Patents
A kind of asphalt Reflective Cracking Resistance detection device Download PDFInfo
- Publication number
- CN207700013U CN207700013U CN201721821804.3U CN201721821804U CN207700013U CN 207700013 U CN207700013 U CN 207700013U CN 201721821804 U CN201721821804 U CN 201721821804U CN 207700013 U CN207700013 U CN 207700013U
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- China
- Prior art keywords
- test specimen
- asphalt
- cracking resistance
- plate
- resistance detection
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Abstract
The utility model discloses a kind of asphalt Reflective Cracking Resistance detection devices, including temperature control babinet and the test specimen mounting base being set in temperature control box body, test specimen mould is fixed in test specimen mounting base, by the way that test specimen mounting base and test specimen mould are arranged in temperature control box body, soil matrix layer is set in test specimen mould, three kinds of layer positions of cement stabilized macadam plate and track plate, it is close with practical pavement structure, cement stabilized macadam plate is set in fixture, convenient for the fixation of cement stabilized macadam plate, track plate is rolled by idler wheel rolling device loaded load, the rolling layer N of rubber tire when occurring crack for the first time by track plate0, every ten thousand expansion depth for rolling rear track plank split and track plate occur rolling layer N of crack to the crack used in the track plate for the first time1As the evaluation index of asphalt Reflective Cracking Resistance, the present apparatus is simple in structure, convenient test, and the cracking resistance of ground surface material or crack control measures that can be different is tested.
Description
Technical field
The utility model belongs to road engineering material experiment field, and in particular to a kind of asphalt Reflection Cracking energy
Force checking device.
Background technology
Semi-rigid sub-base material has many advantages, such as that intensity is high, stability is good, plate body is good, therefore semi-rigid type base asphalt road
Face structure is widely used in highway in China construction.But due to the defect of the easy shrinkage cracking of semi-rigid material itself,
There is different degrees of reflection crack in the semi-rigid asphalt pavement in China.
The evaluation method and evaluating apparatus about pitch mixed material cracking resistance are not yet provided in existing specification, are ground both at home and abroad
Although the person of studying carefully has developed related equipment, mostly can not relatively accurately simulated roadway actual state, while lacking system
One research method and index selects the control measure of reflection crack or analyzes the cracking resistance energy of certain material in the construction process
When power, can only qualitatively analyze certain material or measure has cracking resistance, and without the anticracking effect of certain material of quantitative analysis
Fruit brings difficulty to the selection of crack control measures in engineering, is unfavorable for the construction of road.
Utility model content
The purpose of this utility model is to provide a kind of asphalt Reflective Cracking Resistance detection devices, existing to overcome
There is the deficiency of technology.
In order to achieve the above objectives, the utility model adopts the following technical solution：
A kind of asphalt Reflective Cracking Resistance detection device, including temperature control babinet and be set in temperature control box body
Test specimen mounting base, test specimen mould is fixed in test specimen mounting base, soil matrix layer, fixture, water are equipped with successively from the bottom to top in test specimen mould
Cement-stabilizing broken stone plate and track plate, cement stabilized macadam plate are placed in fixture, and test specimen mould side wall is equipped with for fastening track plate
Trip bolt, test specimen mould upper end are equipped with idler wheel rolling device.
Further, rolling device includes the slide bar being horizontally set in temperature control box body, and slide bar is equipped with sliding seat, sliding
Seat can be equipped with loading device with respect to sliding bar, sliding seat, and loading device is connected with control system, and loading device lower end is solid
Surely there is experiment idler wheel.
Further, sliding seat is controlled by driving motor and is slided on slide bar.
Further, experiment idler wheel is rubber roll.
Further, loading device is hydraulic device, and experiment idler wheel is mounted on the hydraulic stem of hydraulic device.
Further, it is set on soil matrix layer there are two the fixture that is oppositely arranged, is all connected with that there are one liquid on the outside of two fixtures
Cylinder pressure, fixture outer surface are fixedly connected with the hydraulic stem of hydraulic cylinder；One block of cement stabilized macadam plate is respectively provided in two fixtures.
Further, temperature controller is equipped in temperature control box body.
Compared with prior art, the utility model has technique effect beneficial below：
A kind of asphalt Reflective Cracking Resistance detection device of the utility model, including temperature control babinet and be set to
Test specimen mounting base in temperature control box body is fixed with test specimen mould in test specimen mounting base, soil matrix is equipped with successively from the bottom to top in test specimen mould
Layer, fixture, cement stabilized macadam plate and track plate, test specimen mould side wall are equipped with the trip bolt for fastening track plate, test specimen mould
Upper end is equipped with idler wheel rolling device, and by the way that test specimen mounting base and test specimen mould are arranged in temperature control box body, soil is arranged in test specimen mould
Three kinds of base, cement stabilized macadam plate and track plate layer positions, it is close with practical pavement structure, cement stabilized macadam plate is set to
In fixture, it is convenient for the fixation of cement stabilized macadam plate, track plate is rolled by idler wheel rolling device loaded load, is passed through
There is the rolling layer N of rubber tire when crack for the first time in track plate0, the every ten thousand expansion depth and track for rolling rear track plank split
There is rolling layer N of crack to the crack used in the track plate for the first time in plate1As asphalt Reflective Cracking Resistance
Evaluation index, the present apparatus is simple in structure, convenient test, and the cracking resistance of ground surface material or crack control measures that can be different is surveyed
Examination.
Further, experiment idler wheel is rubber roll, more enough true acquisition experimental datas.
Further, it is set on soil matrix layer there are two the fixture that is oppositely arranged, is all connected with that there are one liquid on the outside of two fixtures
Cylinder pressure, fixture outer surface are fixedly connected with the hydraulic stem of hydraulic cylinder；One block of cement stabilized macadam plate is respectively provided in two fixtures,
By Driven by Hydraulic Cylinder fixture, make to generate relative motion between the cement stabilized macadam plate in fixture and track plate, simulates cement
The contraction of stabilization gravel plate, therefore can preferably simulate stress feelings of the asphalt in actual road environment
Condition.
Further, temperature controller is equipped in temperature control box body, convenient for the test temperature in control temperature control box body.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model test specimen mode structure schematic diagram.
Fig. 3 is the utility model clamp structure schematic diagram.
Wherein, 1, loading device；2, slide bar；3, control system；4, temperature controller；5, test specimen mounting base；6, hydraulic cylinder；7, it tries
Test idler wheel；8, hydraulic stem；9, temperature control babinet；10, trip bolt；11, sliding seat；12, soil matrix layer；13, cement stabilized macadam plate；
14, track plate；15, fixture；16, test specimen mould.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1 to Figure 3, a kind of asphalt Reflective Cracking Resistance detection device, including temperature control babinet 9 and
The test specimen mounting base 5 being set in temperature control babinet 9, is fixed with test specimen mould 16 in test specimen mounting base 5, for placing in test specimen mould 16
Track plate, 16 side wall of test specimen mould are equipped with trip bolt 10, and for fastening track plate, dress is rolled in 16 upper end of test specimen mould equipped with idler wheel
It sets；16 both sides sidewall symmetry of test specimen mould is set there are two trip bolt 10,
It is equipped with soil matrix layer 12, fixture 15, cement stabilized macadam plate 13 and track plate 14 in test specimen mould 16 successively from the bottom to top；
It is set on soil matrix layer 12 there are two the fixture 15 that is oppositely arranged, the outsides of two fixtures 15 is all connected with that there are one hydraulic cylinder 6, fixtures 15
Outer surface is fixedly connected with the hydraulic stem 8 of hydraulic cylinder 6；One block of cement stabilized macadam plate 13 is respectively provided in two fixtures 15；
Rolling device includes the slide bar 2 being horizontally set in temperature control babinet 9, and slide bar 2 is equipped with sliding seat 11, sliding seat 11
It can be controlled by driving motor and be slided on slide bar 2 with respect to sliding bar, sliding seat 11, sliding seat is equipped with loading device 1,
Loading device 1 is connected with control system 3, and 1 lower end of loading device is fixed with experiment idler wheel 7, and experiment idler wheel 7 is rubber roll, is added
It is hydraulic device to carry and set 1, and experiment idler wheel 7 is mounted on the hydraulic stem of hydraulic device；
Temperature controller 4 is equipped in temperature control babinet 9, for controlling the temperature in temperature control babinet 9；
It is described further below in conjunction with the accompanying drawings to the structural principle of the utility model and using step：
When experiment, the specification for choosing experiment track plate is：300mm × 300mm × 50mm, rubber tire act on track plate
Pressure is 0.7Mpa.Before on-test, when opening environmental cabinet makes the temperature in babinet reach set temperature, it can start to try
It tests, when experiment, cement stabilized macadam plate is put into fixture, is fixed with fastening bolt, track plate is then placed on cement stabilizing
It in breaker plates, is fixed with fastening bolt, the height that experiment idler wheel 7 is adjusted by idler wheel rolling device is allowed to fully connect with track plate
Touch, and guarantee test idler wheel 7 act on the pressure on track plate be 0.7Mpa, turn on the power system, make rubber tire track back and forth
It moves back and forth, while opening motor and so that cement stabilized base course plate is reciprocal with speed of setting or so under the action of telescopic rod
Movement observes each orientation of track plate by rotary table after on-test, and crack occurs for the first time in record track plate
When rubber tire rolling layer N0, every ten thousand expansion depth (rate V is expanded in crack) for rolling rear track plank split and track plate
The first rolling layer N for crack to crack occur used in the track plate1, come certain road of overall merit in this, as evaluation index
The quality of plane materiel material or the cracking resistance of crack control measures.
Claims (7)
1. a kind of asphalt Reflective Cracking Resistance detection device, which is characterized in that including temperature control babinet (9) and setting
In being fixed with test specimen mould (16) in the test specimen mounting base (5) in temperature control babinet (9), test specimen mounting base (5), in test specimen mould (16) by
Under it is supreme successively be equipped with soil matrix layer (12), fixture (15), cement stabilized macadam plate (13) and track plate (14), cement stabilized macadam
Plate (13) is placed in fixture (15), and test specimen mould (16) side wall is equipped with the trip bolt (10) for fastening track plate (14), test specimen
Mould (16) upper end is equipped with idler wheel rolling device.
2. a kind of asphalt Reflective Cracking Resistance detection device according to claim 1, which is characterized in that roll
Device includes the slide bar (2) being horizontally set in temperature control babinet (9), and slide bar (2) is equipped with sliding seat (11), sliding seat (11) energy
Enough opposite sliding bars, sliding seat (11) are equipped with loading device (1), and loading device (1) is connected with control system (3), loads
Device (1) lower end is fixed with experiment idler wheel (7).
3. a kind of asphalt Reflective Cracking Resistance detection device according to claim 2, which is characterized in that sliding
Seat (11) is controlled by driving motor and is slided on slide bar (2).
4. a kind of asphalt Reflective Cracking Resistance detection device according to claim 2, which is characterized in that experiment
Idler wheel (7) is rubber roll.
5. a kind of asphalt Reflective Cracking Resistance detection device according to claim 4, which is characterized in that load
Device (1) is hydraulic device, and experiment idler wheel (7) is mounted on the hydraulic stem of hydraulic device.
6. a kind of asphalt Reflective Cracking Resistance detection device according to claim 1, which is characterized in that soil matrix
It is set on layer (12) there are two the fixture (15) that is oppositely arranged, is all connected with that there are one hydraulic cylinder (6), folders on the outside of two fixtures (15)
Tool (15) outer surface is fixedly connected with the hydraulic stem (8) of hydraulic cylinder (6)；It is respectively provided with one piece of cement stabilizing in two fixtures (15)
Breaker plates (13).
7. a kind of asphalt Reflective Cracking Resistance detection device according to claim 1, which is characterized in that temperature control
Temperature controller (4) is equipped in babinet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821804.3U CN207700013U (en) | 2017-12-23 | 2017-12-23 | A kind of asphalt Reflective Cracking Resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821804.3U CN207700013U (en) | 2017-12-23 | 2017-12-23 | A kind of asphalt Reflective Cracking Resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207700013U true CN207700013U (en) | 2018-08-07 |
Family
ID=63027965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721821804.3U Expired - Fee Related CN207700013U (en) | 2017-12-23 | 2017-12-23 | A kind of asphalt Reflective Cracking Resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207700013U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376037A (en) * | 2021-06-08 | 2021-09-10 | 宜昌砼富公路养护有限公司 | Test method and test device for simulating pavement reflection cracks |
| CN113588931A (en) * | 2021-08-03 | 2021-11-02 | 山东高速股份有限公司 | Top-down type pavement crack model based on indoor test and evaluation method thereof |
| CN116183401A (en) * | 2023-04-24 | 2023-05-30 | 中国建设基础设施有限公司 | Cement stabilized macadam cracking resistance detection device |
-
2017
- 2017-12-23 CN CN201721821804.3U patent/CN207700013U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376037A (en) * | 2021-06-08 | 2021-09-10 | 宜昌砼富公路养护有限公司 | Test method and test device for simulating pavement reflection cracks |
| CN113588931A (en) * | 2021-08-03 | 2021-11-02 | 山东高速股份有限公司 | Top-down type pavement crack model based on indoor test and evaluation method thereof |
| CN113588931B (en) * | 2021-08-03 | 2022-06-07 | 山东高速股份有限公司 | Top-down type pavement crack model based on indoor test and evaluation method thereof |
| CN116183401A (en) * | 2023-04-24 | 2023-05-30 | 中国建设基础设施有限公司 | Cement stabilized macadam cracking resistance detection device |
| CN116183401B (en) * | 2023-04-24 | 2023-08-04 | 中国建设基础设施有限公司 | Cement stabilized macadam cracking resistance detection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20181223 |