CN211972957U - Asphalt pavement paving structure with strip-shaped weighing sensors - Google Patents
Asphalt pavement paving structure with strip-shaped weighing sensors Download PDFInfo
- Publication number
- CN211972957U CN211972957U CN202020071721.2U CN202020071721U CN211972957U CN 211972957 U CN211972957 U CN 211972957U CN 202020071721 U CN202020071721 U CN 202020071721U CN 211972957 U CN211972957 U CN 211972957U
- Authority
- CN
- China
- Prior art keywords
- weighing sensor
- strip
- asphalt pavement
- notch
- pavement structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Road Paving Structures (AREA)
Abstract
The application provides a strip weighing sensor bituminous paving structure, this structure of mating formation mat formation in bituminous paving's foundation trench, including the isolation mounting bracket of strip weighing sensor and sensor, the isolation mounting bracket constitute by two parallel channel steel fixed connection that the notch is relative, its channel steel outside is equipped with the anchor reinforcing bar that is used for the anchor at the foundation trench internal concrete, strip weighing sensor fills by epoxy glue and fixes in the notch space between two channel steel grooves, and strip weighing sensor upper surface flushes with channel steel top surface, bituminous paving. The technical scheme overcomes the phenomena of breakage, fracture and even structure sinking, has long service life and good damping effect, and improves the measurement accuracy of the strip-shaped weighing sensor.
Description
Technical Field
The application relates to a road surface mounting structure of a traffic intelligent detection sensing device, in particular to a weighing sensor road surface laying mounting structure for providing traffic running vehicle axle load information for an intelligent traffic monitoring system in real time.
Background
The strip-type weighing sensor is an important sensing detection device which is arranged on a road surface and transmits dynamic information of a running vehicle axle load in real time, provides axle load, weighing and related measurement signals for an intelligent traffic monitoring system, is organically combined with a non-field law enforcement system, carries out all-weather road running overload monitoring and related information acquisition on running vehicles, particularly freight vehicles, and provides a brand-new law enforcement mode and technical support for management of truck violation overload and global traffic policy planning of traffic management departments, so that traffic accidents caused by vehicle overload and damage to road bridges are really and effectively reduced, and an effective management policy is implemented.
The current road pavement construction method of the strip-type weighing sensor mainly comprises the following steps: and digging a section of mounting groove downwards on the asphalt pavement, grooving the mounting groove on the concrete after the mounting groove and the asphalt pavement are hardened, and filling epoxy resin glue in the groove to fill and fix the strip-type weighing sensor and the lead thereof. The pavement mounting structure is a strip-shaped weighing sensor directly combined and fixed by the pavement, the concrete and the epoxy resin adhesive, but the characteristics of the asphalt pavement, the epoxy resin adhesive and the concrete material are greatly different, particularly the curing stress, post-curing stress and temperature change stress of the epoxy resin are different from those of the concrete, and the pavement mounting structure has short service life and no reference to the accuracy of weighing detection because the elasticity modulus difference of the concrete and the epoxy resin adhesive is large and the pavement mounting structure is subjected to the complex working state of frequent rolling of running vehicles at a traffic channel, so that the pavement mounting structure, the pavement and the pavement can be rapidly cracked, damaged, sunk and the like; secondly, the damping capacity of the whole pavement structure is poor, and the symmetrical weight sensors generate extra additional stress, so that the detection accuracy is greatly influenced; moreover, the existing paving installation structure has long construction time consumption, higher operation cost, high breakage rate, short service life and large maintenance and construction workload.
Disclosure of Invention
The invention aims to solve the technical problems of the existing strip-type weighing sensor road pavement installation structure, and provides the strip-type weighing sensor asphalt pavement structure, which improves the organic combination performance of the strip-type weighing sensor pavement structure and a pavement road surface, greatly prolongs the service life of the pavement structure, provides good shock absorption for the weighing sensors by the whole pavement structure, and avoids the negative influence on the detection accuracy.
The application provides a strip-type weighing sensor asphalt pavement structure technical scheme, its main technical content is: the utility model provides a strip weighing sensor bituminous paving structure, lays in bituminous paving's basal trough, and its structure of mating formation constitutes the isolation mounting bracket including strip weighing sensor and sensor, the isolation mounting bracket constitute by two parallel channel steel fixed connection that the notch is relative, the notch interval of two channel steel is greater than strip weighing sensor width, the two channel steel outsides are equipped with the anchor reinforcing bar that is used for the anchor at the intrabasal trough concrete, strip weighing sensor fills by epoxy glue and fixes in the notch space between two channel steel grooves, and strip weighing sensor upper surface flushes with channel steel top surface, bituminous paving.
One of the above-mentioned whole technical scheme's an optimal selection technical means to for the bonding performance of reinforcing road surface and isolation mounting bracket to offset the influence of the vibrations weighing sensor measurement accuracy of the vehicle of traveling as far as possible, the anchor reinforcing bar be a plurality of equidistant, in the two groove steel outside symmetrical horizontal fixed settings be the crooked anchor reinforcing bar of U type.
One of the preferred technical means of above-mentioned whole technical scheme, for improving the shock attenuation effect of structure of mating formation promotes the shock attenuation protection to strip type weighing sensor, still includes the embedded reinforcement cage in its constitution, keeps apart the mounting bracket and fixes on embedded reinforcement cage upper portion, and the embedded reinforcement cage is filled and is buried in the concrete of foundation trench.
One of the above-mentioned whole technical scheme preferably selects technical means, and pre-buried steel reinforcement cage width is greater than the maximum width that contains the isolation mounting bracket of anchor reinforcing bar.
The technical scheme of the asphalt pavement paving structure of the strip-shaped weighing sensor disclosed by the patent application is that the strip-shaped weighing sensor is isolated in a groove cavity between two opposite groove-shaped steels filled with epoxy resin glue, the groove steel is combined with the pavement by concrete, the technical scheme overcomes the technical problem that the concrete and the epoxy resin adhesive of the original installation and arrangement structure are directly combined, so that the combined member and the filling material and the pavement have excellent combination performance, therefore, the phenomena that the performance difference of concrete and epoxy resin glue materials is large, the joint is damaged and broken, and the structure sinks down are avoided, the service life is greatly prolonged, the later-period maintenance and maintenance operation and the cost input are greatly reduced, more importantly, the pavement structure provides a good damping effect for the strip-shaped weighing sensor, and the influence of frequent rolling load vibration of a running vehicle on the measurement accuracy of the strip-shaped weighing sensor is reduced.
Drawings
Fig. 1 is a view showing a structure of a floor according to the present patent application.
Fig. 2 and 3 are cross-sectional views of two embodiments of the isolation mount, respectively.
Fig. 4 is a perspective view of the isolation mount with the bottom surface on top.
Fig. 5 is a three-dimensional structure view of the embedded reinforcement cage.
Detailed Description
The application discloses a strip-type weighing sensor bituminous paving structure of mating formation for bituminous paving base groove 2 interior laying structure. As shown in fig. 1, the main components of the device include a strip-type load cell 7 and an isolated mounting frame 9 for the sensor.
The isolation mounting frame 9 is formed by fixing two parallel groove-shaped steels 10 with opposite notches by a connecting rod 13 at the bottom, a notch space 12 which extends in the length direction and is used for fixedly filling and containing the strip-shaped weighing sensor 7 is formed between the two groove-shaped steels 10, and the notch interval a of the notch space 12 is larger than the width of the strip-shaped weighing sensor 7; anchoring steel bars for anchoring in the poured concrete are fixed on the outer sides of the two channel steel sections 10. As shown in fig. 2, the bottom ends of the two channel steels 10 are integrated with the section steel to form a planar base to improve the stability of the section steel embedded in the base groove 2; in order to improve the bonding firmness, the notch of the two channel steels 10 is provided with an anchor beam 15 extending into the notch space 12.
The channel steel 10 is a hot-rolled integrally formed section steel, and a steel rail, an expansion joint section steel, or the like can be used as the channel steel.
The paving steps of the paving structure are as follows:
firstly, avoiding a curve and an up-down ramp, excavating a base groove 2 on a straight road surface which is not less than 200-400 m in front of and behind the road surface, washing the base groove 2 clean with clear water, and drying by a blower;
fixing an isolation mounting frame 9 below the transverse wood beam, enabling the top surface 14 of the channel steel to be aligned with the bottom surface of the transverse wood beam, enabling the transverse wood beam to fall on the asphalt pavement 1, enabling the isolation mounting frame 9 to be suspended in the center of the foundation trench 2, blocking a notch of the isolation mounting frame 9, pouring concrete 6 in the foundation trench 2 outside the isolation mounting frame 9, anchoring reinforcing steel bars in the concrete 6 by the isolation mounting frame 9 after the concrete 6 is solidified compactly, and enabling the top surface 14 of the channel steel to be flush with the asphalt pavement 1;
still use the above-mentioned horizontal wooden beam erection method, close to the two ends of the bar-type weighing sensor 7 on two horizontal wooden beams separately, suspend it in the air and locate in the middle of the notch space 12 which isolates the mounting bracket 9, and make the bar-type weighing sensor 7 upper surface about 1-3 mm higher than the top surface 14 of channel steel better, pour into epoxy glue 8 in the notch space 12 around the bar-type weighing sensor 7, shake and tamp and pressurize the bar-type weighing sensor 7 in the glue pouring, avoid its floating movement; and after the epoxy resin adhesive 8 reaches the curing strength, the transverse wood beam is dismantled, and the part of the strip-shaped weighing sensor 7 higher than the top surface 14 of the channel steel is polished by a polishing machine to be level with the asphalt pavement 1, so that the paving and the installation are finished.
Fig. 1 shows another embodiment of the paving structure, which further includes embedded reinforcement cages 4. The embedded reinforcement cage 4 is a three-dimensional rectangular frame formed by processing reinforcement materials such as deformed steel bars, the length of the embedded reinforcement cage is the same as that of the foundation trench 2 or slightly smaller than that of the foundation trench 2, and the width of the embedded reinforcement cage 4 is not smaller than the maximum width of the isolation mounting frame 9 containing the anchoring reinforcement. The isolation mounting frame 9 is fixed on the embedded reinforcement cage 4.
In order to enhance the combination degree of the isolation mounting frame 9 and the concrete 6 poured in the foundation trench 2 and offset the influence of the measurement accuracy of the vehicle running vibration sensor as much as possible, as shown in fig. 4, the anchoring steel bars at the outer sides of the two channel steels 10 are a plurality of U-shaped bending anchoring steel bars 11 which are fixed at equal intervals and transversely and symmetrically at the outer sides of the two channel steels 10, after the whole body is laid, the strip-shaped weighing sensor 7 is combined with the channel steels 10 into a whole by epoxy resin glue 8, the isolation mounting frame 9 is used as an isolation combining member between the epoxy resin glue combined with the strip-shaped weighing sensor 7 and the external concrete combined with the asphalt pavement 1, the laying fixation degree and the bearing capacity of the asphalt pavement are greatly improved, the service life is prolonged, the mutual stress influence caused by the difference of the two performances of the epoxy resin glue and the concrete, especially the difference of the elastic modulus is avoided, and the U-shaped anchoring reinforcing steel bar 11 and the bottom embedded reinforcement cage 4 are arranged, so that the whole damping effect is greatly improved, and the detection accuracy of the strip-shaped weighing sensor 7 is greatly improved.
The laying steps of the laying structure of the embodiment are as follows:
firstly, avoiding a curve and an up-down ramp, excavating a base groove 2 on a straight road surface which is not less than 200-400 m in front of and behind the road surface, washing the base groove 2 with clear water, and drying by using an air blower;
a plurality of pairs of vertical steel bars 3 are driven into the bottom of the foundation trench 2 according to the width of the embedded steel bar cage 4, and the embedded steel bar cage 4 is driven into the foundation trench 2 and is welded and fixed with the vertical steel bars 3; the isolation mounting frame 9 is fixed right above the embedded reinforcement cage 4, and the top surface 14 of the channel steel is flush with the asphalt pavement 1; in order to prevent foreign matters from entering the notch space 12, the notch of the isolation mounting frame 9 needs to be shielded;
pouring concrete 6 into the foundation trench 2 outside the isolation mounting frame 9 to enable the concrete 6 to densely fill the embedded reinforcement cage 4 and the U-shaped anchoring reinforcement 11 of the isolation mounting frame 9 until the concrete 6 is flush with the asphalt pavement 1;
and fourthly, approaching two ends of the strip-shaped weighing sensor 7, suspending the strip-shaped weighing sensor 7 by using a transverse wood beam, suspending the strip-shaped weighing sensor 7 in the middle of a notch space 12 of an isolation mounting frame 9, preferably enabling the top surface of the strip-shaped weighing sensor 7 to be higher than the top surface 14 of the groove-shaped steel by about 1-3 mm, pouring epoxy resin glue 8 into the notch space 12 around the strip-shaped weighing sensor 7, vibrating and pressurizing the strip-shaped weighing sensor 7 in the glue pouring to avoid floating movement, removing the transverse wood beam after the epoxy resin glue reaches the curing strength, polishing the part of the strip-shaped weighing sensor 7 higher than the top surface 14 of the groove-shaped steel by using a water polishing machine, and enabling the part to be flush with the asphalt pavement 1 to finish laying and installation.
Claims (8)
1. The utility model provides a strip weighing sensor bituminous paving structure, lays in bituminous paving's foundation trench (2), its characterized in that, its structure of mating formation is constituteed and is included strip weighing sensor (7) and sensor's isolation mounting bracket (9), isolation mounting bracket (9) constitute by two parallel channel section steel (10) fixed connection that the notch is relative, the notch interval of two channel section steel (10) is greater than strip weighing sensor width, two channel section steel (10) outsides are equipped with the anchor reinforcing bar that is used for anchor concrete (6) in the foundation trench, strip weighing sensor (7) are filled by epoxy glue (8) and are fixed in notch space (12) between two channel section steel grooves, and strip weighing sensor (7) upper surface flushes with channel section steel top surface (14), bituminous paving (1).
2. The asphalt pavement structure of claim 1, wherein the anchoring bars are a plurality of U-shaped bent anchoring bars (11) symmetrically and transversely fixed at equal intervals outside the two channel steels (10).
3. The asphalt pavement structure of claim 1, wherein the bottom ends of the two channel-shaped steels (10) are integrally formed with the section steel to form a planar base.
4. The asphalt pavement structure of claim 1, wherein the notch of the two channel steels (10) is provided with an anchor beam (15) extending into the notch space (12).
5. The asphalt pavement structure of the strip-type weighing sensor according to claim 1, 2, 3 or 4, wherein the asphalt pavement structure further comprises an embedded reinforcement cage (4), the isolation mounting frame (9) is fixed on the upper part of the embedded reinforcement cage (4), and the embedded reinforcement cage (4) is filled and embedded in the concrete (6) of the foundation trench (2).
6. The asphalt pavement structure of claim 5, wherein the width of the embedded reinforcement cage (4) is greater than the maximum width of the isolation mount (9) containing the anchoring reinforcement.
7. The asphalt pavement structure of claim 5, wherein a plurality of pairs of vertical reinforcements (3) are driven into the bottom of the foundation trench (2) according to the width of the embedded reinforcement cage (4), and the embedded reinforcement cage (4) is fixedly welded with the vertical reinforcements (3) in the foundation trench (2).
8. The asphalt pavement structure of claim 1, wherein the channel steel (10) is a rail or expansion joint steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020071721.2U CN211972957U (en) | 2020-01-14 | 2020-01-14 | Asphalt pavement paving structure with strip-shaped weighing sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020071721.2U CN211972957U (en) | 2020-01-14 | 2020-01-14 | Asphalt pavement paving structure with strip-shaped weighing sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211972957U true CN211972957U (en) | 2020-11-20 |
Family
ID=73372997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020071721.2U Active CN211972957U (en) | 2020-01-14 | 2020-01-14 | Asphalt pavement paving structure with strip-shaped weighing sensors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211972957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119000A (en) * | 2020-01-14 | 2020-05-08 | 辽宁金洋集团信息技术有限公司 | Asphalt pavement paving structure with strip-shaped weighing sensors |
-
2020
- 2020-01-14 CN CN202020071721.2U patent/CN211972957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119000A (en) * | 2020-01-14 | 2020-05-08 | 辽宁金洋集团信息技术有限公司 | Asphalt pavement paving structure with strip-shaped weighing sensors |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103382704B (en) | Unbonded prestress of box girder or T-shaped girder, and steel-concrete combined reinforcement structure and construction method | |
| CN111945510B (en) | Self-adaptive environment-friendly prevention and control construction method and device for bump at bridge head | |
| KR100721609B1 (en) | Precast concrete slab for precast slab track, its horizental supporting system, and its construction methods | |
| CN211972957U (en) | Asphalt pavement paving structure with strip-shaped weighing sensors | |
| PL177930B1 (en) | Aggregate-free subgrade for at leas one railway track | |
| CN111576127A (en) | Splicing structure for new and old road surfaces of highway engineering and construction method thereof | |
| KR102424544B1 (en) | Double Rail Jacket Tram Rail Track System | |
| CZ286554B6 (en) | Track line | |
| KR100454405B1 (en) | Method for changing steel bridge of supporting rail into concreat bridge | |
| CN105133493A (en) | Embedded track structure suitable for middle-span and small-span bridge and construction method | |
| CN111119000A (en) | Asphalt pavement paving structure with strip-shaped weighing sensors | |
| CN110672190A (en) | Weighing device for vehicle and construction method | |
| KR20150111547A (en) | Wide sleeper for direct fastened track on asphalt roadbed, and constructing method for the same | |
| CN212983503U (en) | New and old road surface mosaic structure of highway engineering | |
| CN111945566A (en) | Road and bridge assembly type construction method and manufacturing process of multi-effect foundation assembly | |
| DK2351884T3 (en) | Module support for a pre-fabricated railway track, railway track, profile and method for mounting railway tracks | |
| JP4076186B2 (en) | How to design an extended floor slab | |
| KR102509161B1 (en) | Method For Constructing Rail Track Of Tram | |
| CN212533538U (en) | Vibration reduction box type roadbed structure | |
| CN205012221U (en) | Embedded track structure that is fit for medium and small span bridge | |
| CN210529394U (en) | Foam light soil load-reducing replacement roadbed structure | |
| Esveld | Track structures in an urban environment | |
| CN209722696U (en) | New and old bridge longitudinal joint Hermetical connecting structure | |
| CN110004817B (en) | Seamless anti-skip structure at end part of middle-span simply supported highway bridge and construction method thereof | |
| CN114197259A (en) | Vibration damping road structure and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |