CN107034762A - A kind of transmission rod locating support of cement concrete pavement based on composite - Google Patents
A kind of transmission rod locating support of cement concrete pavement based on composite Download PDFInfo
- Publication number
- CN107034762A CN107034762A CN201710176568.2A CN201710176568A CN107034762A CN 107034762 A CN107034762 A CN 107034762A CN 201710176568 A CN201710176568 A CN 201710176568A CN 107034762 A CN107034762 A CN 107034762A
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- China
- Prior art keywords
- transmission rod
- crotch
- composite
- cement concrete
- concrete pavement
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/14—Dowel assembly ; Design or construction of reinforcements in the area of joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of transmission rod locating support of cement concrete pavement based on composite, including：Two groups of transmission rod supports for be arrangeding in parallel, some portal trestle legs for including two positioning mobile jibs be arrangeding in parallel per pack support, being abreast uniformly connected to along positioning mobile jib length direction between two positioning mobile jibs, the root of rack leg is provided with annulus crotch claw, the top cross bar of described rack leg has been centrally located removably being combined annulus crotch pawl, and being combined annulus crotch pawl includes for the lower half crotch pawl of connecting bracket leg and the upper half crotch pawl for connecting transmission rod.Density of the present invention is low, manufacture craft is simple, detachable, convenient transportation, light and handy, can be molded with in-site installation, reduce difficulty of construction, accelerate construction speed.There is preferable corrosion-resistant, resistance to elevated temperatures simultaneously, the small and unique construction of damp and hot shrinkage stress further enhances the stability of transmission rod in use, the deviation problem occurred when effectively less transmission rod is installed.
Description
Technical field
This patent belongs to field of road, more particularly to a kind of transmission rod of cement concrete pavement based on composite
Locating support.
Background technology
Road is the important infrastructure of national economy and social development, with developing rapidly for national economy, society's warp
Ji level and trip demand decide the development process of road traffic, until the end of the year 2013, China's cement concrete road
Total kilometrage has reached 197.75 ten thousand kilometers.Road construction scale also constantly expands, and the volume of traffic increases sharply, and current highway networks have jumped
Occupy the 1st, the world.
Substantial amounts of cement pavement highway condition investigation finds that the destruction of existing cement pavement is using faulting of slab ends as main failure mode.
These pavement destructions substantially reduce the service life on road surface while vehicle ride quality on road surface is had a strong impact on so that
Building for road is increased substantially with maintenance costs.Based on this, all transverse joints of high-grade highway will add transmission rod.Therefore how
Load has important practical significance between improving the adjacent plate of transmission rod transmission.It is easy compared to traditional steel transmission rod support
In the basic conditions corrosion and Site Welding install easily produce deviations, cause the later stage maintenance and maintenance costs significantly
Degree is improved.And the new transmission rod support based on composite can be by the position of the accurate fixing force transfer bar of neck, effectively
Ground improves stability, the corrosion resistance of transmission rod, so that load effectively can be transmitted and greatly reduced between adjacent plate
Transmission rod replacement frequency, with huge business and economic benefit.
The content of the invention
The present invention is intended to provide a kind of transmission rod locating support of cement concrete pavement based on composite.Greatly carry
The high accuracy and stability for installing transmission rod, saves road engineering cost, improves the pavement performance of transmission rod, increase
The durability of pavement structure.
The present invention is achieved by the following scheme:
A kind of transmission rod locating support of cement concrete pavement based on composite, including：Two groups of transmission rods for be arrangeding in parallel
Support, two positioning mobile jibs be arrangeding in parallel are included per pack support, are abreast uniformly connected to along positioning mobile jib length direction
Some portal trestle legs between two positioning mobile jibs, the root of described rack leg is provided with annulus crotch claw, described branch
The top cross bar of frame leg has been centrally located removably being combined annulus crotch pawl, and described compound annulus crotch pawl includes being used to connect
The lower half crotch pawl of rack leg and the upper half crotch pawl for connecting transmission rod are connect, its rigidity is big, and stability is good, the transmission rod
It is connected between two compound annulus crotch pawls relative on two groups of transmission rod supports.
Further, described positioning mobile jib, the cross section of rack leg are circle.
Further, the internal diameter of described annulus crotch claw matches with positioning the diameter of mobile jib, and internal diameter is 8 ~ 12mm,
3 ~ 6mm of wall thickness, length is 3-5cm.
Further, the diameter of section of the positioning mobile jib is 8 ~ 12mm.
Further, the diameter of section of the rack leg is 6 ~ 10mm.
Further, the internal diameter of the upper half crotch and the diameter of transmission rod match, internal diameter be 20 ~ 40mm, wall thickness 3 ~
6mm, length is 3-5cm.
Further, the internal diameter of the lower half crotch and the diameter of rack leg match, internal diameter be 6 ~ 10mm, wall thickness 3 ~
6mm, length is 3-5cm.
Further, the height of every group of transmission rod support is 8.4 ~ 14.4cm.
Further, the span of the rack leg lower end is 10 ~ 16cm.
The present invention compared with prior art, has the following advantages that and beneficial effect：
(1) compared to common transmission rod support, the corrosion resistance and resistance to elevated temperatures of composite dowel bar support are more preferable,
With more preferable durability；
(2) other shapes of transmission rod support is compared, the stability of the approximate rectangular transmission rod support of shape is more preferable, Neng Gouyou
Strengthen the stability of transmission rod in effect ground；
(3) it is difficult fixed during traditional transmission rod rack construction, skew is easily produced, new transmission rod support can be more accurately
The position of fixing force transfer bar, reduces the premature failure that transmission rod occurs because off normal is installed；
(4) compared to common transmission rod support, new transmission rod support is detachable, can be separated with transmission rod, convenient transportation,
The maintenance in later stage is also beneficial to, road transport cost is saved；
(5) due to advanced composite material (ACM) transmission rod support high-strength light, have preferably by masterpiece in cement concrete pavement
With adding the Load-transfer Capacity of transmission rod；
(6) compared to traditional transmission rod support, this new transmission rod support at the construction field (site) assembled formation to install transmission rod
All it is that occlusion fixation is carried out by annulus crotch pawl, without any construction tool, greatly reduces work during construction
Amount, improves efficiency of construction.
Brief description of the drawings
The front partial section view of Fig. 1 embodiment of the present invention.
The side partial view of Fig. 2 embodiment of the present invention.
The entirety perspective view of Fig. 3 embodiment of the present invention.
In figure：1- positions mobile jib；2- rack legs；3- annulus crotch pawls；4- transmission rods.
Embodiment
For a better understanding of the present invention, the present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, transmission rod locating support of a kind of cement concrete pavement based on composite, including：Two
The transmission rod support that group be arranged in parallel, two positioning mobile jibs 1 be arrangeding in parallel, the edge positioning length of mobile jib 1 are included per pack support
Direction is abreast uniformly connected to some portal trestle legs 2 between two positioning mobile jibs 1, and the profile of described rack leg 2 is approximate
In rectangle, to be accurately positioned position of the transmission rod 4 in water-setting concrete road surface and stable support transmission rod 4；Described
The root of rack leg 2 is provided with annulus crotch claw, and the top cross bar of described rack leg 2 has been centrally located dismountable be combined
Annulus crotch pawl, described compound annulus crotch pawl is included for the lower half crotch pawl of connecting bracket leg 2 and for connecting power transmission
The upper half crotch pawl of bar 4, its rigidity is big, and stability is good, and the transmission rod 4 is connected on two groups of transmission rod supports relative two and answered
Between conjunction annulus crotch pawl.
Described positioning mobile jib 1, the cross section of rack leg 2 are circle, increase the rigidity of transmission rod support.
The internal diameter of described annulus crotch claw and position mobile jib 1 diameter match, internal diameter be 8 ~ 12mm, wall thickness 3 ~
6mm, length is 3-5cm.
The diameter of section of the positioning mobile jib 1 is 8 ~ 12mm.The diameter of section of the rack leg 2 is 6 ~ 10mm.
The diameter of the internal diameter and transmission rod 4 of the upper half crotch matches, and internal diameter is 20 ~ 40mm, 3 ~ 6mm of wall thickness, length
For 3-5cm.The diameter of the internal diameter and rack leg 2 of the lower half crotch matches, and internal diameter is 6 ~ 10mm, 3 ~ 6mm of wall thickness, and length is
3-5cm。
The height of every group of transmission rod support is 8.4 ~ 14.4cm.The span of the lower end of rack leg 2 is 10 ~ 16cm.
As shown in Fig. 2 each part of transmission rod locating support that the present embodiment is provided is composite, during installation, first really
Position of the two positioning mobile jibs 1 of fixed one group of transmission rod support in cement concrete pavement, by it along water-setting concrete road
The transverse joint positional symmetry arrangement of panel；Then the lower end annulus crotch claw of rack leg 2 is cooperated card with positioning mobile jib 1
Gu；The lower half crotch of compound annulus crotch pawl 3 is fixed into the crossbar center on rack leg 2 again, finally by one end card of transmission rod 4
Gu on the upper half crotch of compound annulus crotch pawl 3.The installation of another group of transmission rod support is similar.Finally, transmission rod 4
Two ends are fixed between relative two compound annulus crotch pawls on two groups of transmission rod supports respectively.
Compared to common transmission rod locating support, the corrosion resistance of the transmission rod locating support based on composite and resistance to
High-temperature behavior is more preferable, with more preferable durability；Compared to other shapes of transmission rod locating support, the approximate rectangular power transmission of shape
The stability of bar locating support more preferably, can effectively strengthen the stability of transmission rod；Traditional transmission rod locating support construction
When it is difficult fixed, easily produce skew, the transmission rod locating support of the present embodiment can more accurately fixing force transfer bar 4 position, subtract
The premature failure that few transmission rod 4 occurs because off normal is installed；This transmission rod locating support is detachable, can be separated with transmission rod 4,
Convenient transportation, is also beneficial to the maintenance in later stage, saves road transport cost；Because composite dowel bar locating support is light
Matter is high-strength, in cement concrete pavement there is more preferable stress to act on, adds the Load-transfer Capacity of transmission rod 4；This transmission rod
Assembled formation is all to carry out occlusion fixation by annulus crotch pawl to transmission rod 4 is installed to locating support at the construction field (site), without
By any construction tool, greatly reduce workload during construction, improve efficiency of construction.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention
Embodiment restriction.For those of ordinary skill in the field, it can also make on the basis of the above description
Other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all the present invention
Any modifications, equivalent substitutions and improvements made within spirit and principle etc., should be included in the protection of the claims in the present invention
Within the scope of.
Claims (9)
1. a kind of transmission rod locating support of cement concrete pavement based on composite, it is characterised in that：Including：Two groups parallel
The transmission rod support of setting, two positioning mobile jibs (1) be arrangeding in parallel, edge positioning mobile jib (1) length side are included per pack support
To some portal trestle legs (2) being abreast uniformly connected between two positioning mobile jibs (1), the root of described rack leg (2)
Annulus crotch claw is provided with, the top cross bar of described rack leg (2) has been centrally located removably being combined annulus crotch pawl,
Described compound annulus crotch pawl is included for the lower half crotch pawl of connecting bracket leg (2) and for connecting transmission rod (4)
Half crotch pawl, the transmission rod (4) is connected between two compound annulus crotch pawls relative on two groups of transmission rod supports.
2. a kind of transmission rod locating support of the cement concrete pavement according to claim 1 based on composite, it is special
Levy and be：Described positioning mobile jib (1), the cross section of rack leg (2) are circle.
3. a kind of transmission rod locating support of the cement concrete pavement according to claim 2 based on composite, it is special
Levy and be：The internal diameter of described annulus crotch claw and positioning mobile jib (1) diameter match, internal diameter be 8 ~ 12mm, wall thickness 3 ~
6mm, length is 3-5cm.
4. a kind of transmission rod locating support of the cement concrete pavement according to claim 2 based on composite, it is special
Levy and be：The diameter of section of the positioning mobile jib (1) is 8 ~ 12mm.
5. a kind of transmission rod locating support of the cement concrete pavement according to claim 2 based on composite, it is special
Levy and be：The diameter of section of the rack leg (2) is 6 ~ 10mm.
6. a kind of transmission rod locating support of the cement concrete pavement according to claim 2 based on composite, it is special
Levy and be：The diameter of the internal diameter of the upper half crotch and transmission rod (4) matches, and internal diameter is 20 ~ 40mm, 3 ~ 6mm of wall thickness, length
For 3-5cm.
7. a kind of transmission rod locating support of the cement concrete pavement according to claim 2 based on composite, it is special
Levy and be：The diameter of the internal diameter of the lower half crotch and rack leg (2) matches, and internal diameter is 6 ~ 10mm, 3 ~ 6mm of wall thickness, length
For 3-5cm.
8. a kind of transmission rod locating support of the cement concrete pavement according to claim 1 based on composite, it is special
Levy and be：The height of every group of transmission rod support is 8.4 ~ 14.4cm.
9. a kind of transmission rod locating support of the cement concrete pavement according to claim 1 based on composite, it is special
Levy and be：The span of rack leg (2) lower end is 10 ~ 16cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176568.2A CN107034762A (en) | 2017-03-23 | 2017-03-23 | A kind of transmission rod locating support of cement concrete pavement based on composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176568.2A CN107034762A (en) | 2017-03-23 | 2017-03-23 | A kind of transmission rod locating support of cement concrete pavement based on composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107034762A true CN107034762A (en) | 2017-08-11 |
Family
ID=59533720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710176568.2A Pending CN107034762A (en) | 2017-03-23 | 2017-03-23 | A kind of transmission rod locating support of cement concrete pavement based on composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107034762A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777598A (en) * | 2019-11-05 | 2020-02-11 | 中冶南方工程技术有限公司 | Rigid-flexible composite pavement expansion joint staggered-platform lap joint structure and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6092960A (en) * | 1998-10-27 | 2000-07-25 | Mccallion; James P. | Concrete joint restraint system |
| CN102677569A (en) * | 2012-05-11 | 2012-09-19 | 中铁十二局集团建筑安装工程有限公司 | Positioning support for dowel bars at concrete pavement joints |
| CN204849523U (en) * | 2015-08-06 | 2015-12-09 | 姚新连 | Road construction dowel steel subassembly |
| CN205688305U (en) * | 2016-03-31 | 2016-11-16 | 林东升 | A kind of FRP concrete pavement dowel device |
-
2017
- 2017-03-23 CN CN201710176568.2A patent/CN107034762A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6092960A (en) * | 1998-10-27 | 2000-07-25 | Mccallion; James P. | Concrete joint restraint system |
| CN102677569A (en) * | 2012-05-11 | 2012-09-19 | 中铁十二局集团建筑安装工程有限公司 | Positioning support for dowel bars at concrete pavement joints |
| CN204849523U (en) * | 2015-08-06 | 2015-12-09 | 姚新连 | Road construction dowel steel subassembly |
| CN205688305U (en) * | 2016-03-31 | 2016-11-16 | 林东升 | A kind of FRP concrete pavement dowel device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777598A (en) * | 2019-11-05 | 2020-02-11 | 中冶南方工程技术有限公司 | Rigid-flexible composite pavement expansion joint staggered-platform lap joint structure and preparation method thereof |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170811 |