CN203772712U - Pit slot repair interface cohesiveness detection device - Google Patents
Pit slot repair interface cohesiveness detection device Download PDFInfo
- Publication number
- CN203772712U CN203772712U CN201420093986.7U CN201420093986U CN203772712U CN 203772712 U CN203772712 U CN 203772712U CN 201420093986 U CN201420093986 U CN 201420093986U CN 203772712 U CN203772712 U CN 203772712U
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- wraps
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Abstract
The utility model discloses a pit slot repair interface cohesiveness detection device which comprises a bottom surface asphalt concrete bearing platform, a first group of movable wrapping frames, a second group of movable wrapping frames, a group of movable baffle plates, pull rods and tension displayers, wherein the first group of movable wrapping frames and the second group of movable wrapping frames are arranged on the bottom surface asphalt concrete bearing platform; first prefabricated asphalt modules and second prefabricated asphalt modules are respectively arranged in the first group of movable wrapping frames and the second group of movable wrapping frames; one group of movable baffle plates are arranged on the bottom surface asphalt concrete bearing platform and form a pit slot with an upward opening with the first prefabricated asphalt modules and the second prefabricated asphalt modules; the pull rods are fixed on two end surfaces of the first group of movable wrapping frames; and the tension displayers are arranged on the pull rods. The pit slot repair interface cohesiveness detection device is applied to an indoor experiment for measuring specific numerical values of cohesiveness of pit slot repair material contact surfaces.
Description
[technical field]
The utility model relates to road engineering technical field, is specifically related to a kind of pit repairing interfacial bond property pick-up unit.
[background technology]
For present Highway Maintenance department, hole groove is one of topmost disease in bituminous pavement, especially under the effect of rainwater or freeze thawing, the hole groove frequency of occurrences is higher, and the effect with vehicular load becomes more serious, have a strong impact on the flatness on road surface, even may cause traffic hazard.But not good for the repair efficiency of hole groove both at home and abroad at present, some is even mended winter, and spring is bad.At Jingzhu express way Hubei Section, the repair rate that 05-10 cheats groove has reached nearly 30%; Connecting high speed Shaanxi section suddenly, even if carried out repairing timely hole groove, part section still can need to repair for the second time in 1 to 2 months, and secondary breakage all starts to occur damaged and development from border mostly.
Known according to the investigation of U.S. SHRP report, the most frequently used pit repairing technology is exactly semipermanent repairing technique at present, and namely so-called cutting fluting is repaired.And researchist finds according to mechanical analysis, when the vehicle approach travelling or while sailing out of the wall seam of virgin material (pit repairing material) and old material (original ground surface material), side wall surface will be subject to larger tension and shear stress effect, and when Vehicle Driving Cycle is during at bituminous concrete pavement pit repairing material surface, side walls and underside wall can be subject to larger shear stress, and causing has the possibility (as depicted in figs. 1 and 2) that is sheared cracking between bottom surface patching material and groove bottom.
In sum, pit repairing material is after moulding, and the acting force that its surface of contact is subject to is larger, and surface of contact is the fragility place of whole repairing piece, therefore cheat at present the secondary breakage of groove, is mainly to start to occur from surface of contact.Therefore, the power of the adhesive property of pit repairing surface of contact has just determined the quality of the repair efficiency of hole groove, but not yet there is a kind of device that can evaluate and test the concrete power of hole each border adhesive property of groove at present, in order to evaluate different boundary disposal technology and material for the impact of surface of contact adhesive property.
[utility model content]
The purpose of this utility model is the problem that cannot evaluate and test contact interface adhesive property after pit repairing for current existence, a kind of pit repairing interfacial bond property pick-up unit is provided, this pick-up unit utilizes prefabricated bituminous concrete plate module to form different area hole channel mould type indoor, and the side consisting of movement after material for repairing padding and compacting abundant moulding or base reach the object of evaluation and test border cementation power.
To achieve these goals, the utility model adopts following technical scheme:
A pit repairing interfacial bond property pick-up unit, comprising: bottom surface bituminous concrete cushion cap, first group of removable framework, second group of removable framework, a group of removable baffle plate, pull bar and pulling force display of wrapping of wrapping; Wherein, first group removable wraps framework and second group of removable framework that wraps is arranged on the bituminous concrete cushion cap of bottom surface, and first group removable wraps framework and second group of removable wrapping is respectively arranged with the first prefabricated pitch module and the second prefabricated pitch module in framework, one group of removable baffle plate is arranged on the bituminous concrete cushion cap of bottom surface, itself and the first prefabricated pitch module and the second prefabricated pitch module form the hole groove of an opening upwards, pull bar is fixed on first group of removable two end face that wrap framework, and pulling force display is arranged on pull bar.
The utility model further improves and is, the first prefabricated pitch module is the first surface of contact near a side of hole groove, and the second prefabricated pitch module is the second surface of contact near a side of hole groove.
The utility model further improves and is, first group removable wraps framework and second group of removable framework that wraps adopts steel to make.
The utility model further improves and is, one group of removable baffle plate adopts steel to make.
The utility model further improves and is, pull bar adopts steel to make.
The utility model further improves and is, the bottom even of bottom surface bituminous concrete cushion cap is provided with for supporting its four supports.
The utility model further improves and is, second group of removable two end face that wrap framework is fixed with pull bar, is provided with pulling force display on it.
With respect to prior art, the utility model is used in the indoor test of carrying out the concrete numerical measuring of pit repairing material surface of contact adhesive property, when carrying out drawing or shearing, can read intuitively mechanical stress intensity, can accurately record delimitation ultimate stress value during cracking, and movable framework can be placed the pitch Prefabricated block of disposing through different boundary, in order to evaluate and test respectively configuration state lower side surface of contact herein or to move back and forth the adhesive property of surface of contact strong and weak, finally obtain different border disposal technologies and different patching material opposite side surface of contact and the adhesive property of base surface of contact and affect situation, in order to instruct concrete maintenance construction.
[accompanying drawing explanation]
Fig. 1 is new and old material wall seam tension stress effect schematic diagram after repairing;
Fig. 2 is subject to shear stress effect schematic diagram for repairing rear new and old material wall seam;
Fig. 3 is the structural representation of a kind of pit repairing interfacial bond property of the utility model pick-up unit;
In figure: 1, first group of removable framework that wraps, 2, one group of removable baffle plate, 3, pull bar, 4, tension display, the 5, first prefabricated pitch module, the 6, first surface of contact, 7, bottom surface bituminous concrete cushion cap, 8, second group of removable framework that wraps, the 9, second prefabricated pitch module, the 10, second surface of contact.
[embodiment]
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Referring to a kind of pit repairing interfacial bond property of Fig. 3 the utility model pick-up unit, comprising: bottom surface bituminous concrete cushion cap 7, first group be removable wraps removable framework 8, a group of removable baffle plate 2, pull bar 3 and the pulling force display 4 of wrapping of framework 1, second group, wherein, first group removable wraps framework 1 and second group of removable framework 8 that wraps is arranged on bottom surface bituminous concrete cushion cap 7, and first group removable wraps framework 1 and second group of removable wrapping is respectively arranged with the first prefabricated pitch module 5 and the second prefabricated pitch module 9 in framework 8, one group of removable baffle plate 2 is arranged on bottom surface bituminous concrete cushion cap 7, itself and the first prefabricated pitch module 5 and the second prefabricated pitch module 9 form the hole groove of an opening upwards, and the first prefabricated pitch module 5 is the first surface of contact 6 near a side of hole groove, the second prefabricated pitch module 9 is the second surface of contact 10 near a side of hole groove, pull bar 3 is fixed on first group of removable two end face that wrap framework 1, and pulling force display 4 is arranged on pull bar 3.
Wherein, first group of removable removable framework 8, one group of removable baffle plate 2 and pull bar 3 of wrapping of framework 1, second group that wrap all adopts steel to make.In addition, the bottom even of bottom surface bituminous concrete cushion cap 7 is provided with for supporting its four supports.
For the utility model is further understood, now its principle of work is done to an explanation.
First group removable wraps framework 1 and second group of removable framework 8 that wraps has the first prefabricated pitch module 5 and the second prefabricated pitch module 9 of different surface of contact states for what pull with placement, one group of removable baffle plate 2 is for demarcating hole groove area, and removable bottom surface bituminous concrete cushion cap 7 is sheared for measuring hole groove bottom.
First group of steel be removable wraps framework 1 and second group of removable framework 8 that wraps can wrap up the two ends of the first prefabricated pitch module 5 and the second prefabricated pitch module 9 respectively, guarantees to cause two prefabricated pitch modules fractures pullling Shi Buhui.
The pull bar 3 of steel is in order to drive whole first group of removable framework 1 that wraps outwards to move, thereby offside surface of contact is produced to force pulling.
One group of removable baffle plate 2 of steel, comes normative testing to cheat the concrete area of groove by transverse shifting.
Stress display 4 all has one on pull bar 3 tops at whole equipment two ends, in order to show tension reading now.
Bottom surface bituminous concrete cushion cap 7, in order to place the first prefabricated pitch module 5 and the second prefabricated pitch module 9, only has upper surface and patching material to carry out bonding, by moving left and right to evaluate and test bottom surface cohesive force.
The first prefabricated pitch module 5 and the second prefabricated pitch module 9 form the hole groove of an opening upwards, and it, is filled hole groove during test for simulating the hole groove on real road with pitch to be measured or other materials.
Claims (7)
1. a pit repairing interfacial bond property pick-up unit, it is characterized in that, comprising: bottom surface bituminous concrete cushion cap (7), first group of removable framework (1), second group of removable framework (8), one group of removable baffle plate (2), pull bar (3) and pulling force display (4) of wrapping of wrapping, wherein, first group removable wraps framework (1) and second group of removable framework (8) that wraps is arranged on bottom surface bituminous concrete cushion cap (7), and first group removable wraps framework (1) and second group of removable wrapping is respectively arranged with the first prefabricated pitch module (5) and the second prefabricated pitch module (9) in framework (8), one group of removable baffle plate (2) is arranged on bottom surface bituminous concrete cushion cap (7), itself and the first prefabricated pitch module (5) and the second prefabricated pitch module (9) form the hole groove of an opening upwards, pull bar (3) is fixed on first group of removable two end face that wrap framework (1), and pulling force display (4) is arranged on pull bar (3).
2. a kind of pit repairing interfacial bond property pick-up unit according to claim 1, it is characterized in that, the first prefabricated pitch module (5) is the first surface of contact (6) near a side of hole groove, and the second prefabricated pitch module (9) is the second surface of contact (10) near a side of hole groove.
3. a kind of pit repairing interfacial bond property pick-up unit according to claim 1, is characterized in that, first group removable wraps framework (1) and second group of removable framework (8) that wraps adopts steel to make.
4. a kind of pit repairing interfacial bond property pick-up unit according to claim 1, is characterized in that, one group of removable baffle plate (2) adopts steel to make.
5. a kind of pit repairing interfacial bond property pick-up unit according to claim 1, is characterized in that, pull bar (3) adopts steel to make.
6. a kind of pit repairing interfacial bond property pick-up unit according to claim 1, is characterized in that, the bottom even of bottom surface bituminous concrete cushion cap (7) is provided with for supporting its four supports.
7. a kind of pit repairing interfacial bond property pick-up unit according to claim 1, is characterized in that, second group of removable two end face that wrap framework (1) is fixed with pull bar (3), is provided with pulling force display (4) on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093986.7U CN203772712U (en) | 2014-03-03 | 2014-03-03 | Pit slot repair interface cohesiveness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093986.7U CN203772712U (en) | 2014-03-03 | 2014-03-03 | Pit slot repair interface cohesiveness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772712U true CN203772712U (en) | 2014-08-13 |
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ID=51289890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093986.7U Expired - Fee Related CN203772712U (en) | 2014-03-03 | 2014-03-03 | Pit slot repair interface cohesiveness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890951A (en) * | 2016-05-20 | 2016-08-24 | 湖北三江航天江河化工科技有限公司 | Device for preparing interface bonding test part and use method of device |
-
2014
- 2014-03-03 CN CN201420093986.7U patent/CN203772712U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890951A (en) * | 2016-05-20 | 2016-08-24 | 湖北三江航天江河化工科技有限公司 | Device for preparing interface bonding test part and use method of device |
| CN105890951B (en) * | 2016-05-20 | 2018-11-30 | 湖北三江航天江河化工科技有限公司 | A kind of device being used to prepare interfacial bonding test specimen and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140813 Termination date: 20160303 |