CN107217563B - A kind of renovation technique of bridge pavement - Google Patents
A kind of renovation technique of bridge pavement Download PDFInfo
- Publication number
- CN107217563B CN107217563B CN201710649335.XA CN201710649335A CN107217563B CN 107217563 B CN107217563 B CN 107217563B CN 201710649335 A CN201710649335 A CN 201710649335A CN 107217563 B CN107217563 B CN 107217563B
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- bridge
- glass fiber
- step groove
- layer
- steel mesh
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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
- E01C11/005—Methods or materials for repairing pavings
Abstract
The invention discloses a kind of renovation techniques of bridge pavement, the present invention is arranged to step groove to damaged part, and steel mesh and glass fiber grid are set in major diameter groove, steel mesh and glass fiber grid can be very good repair materials and bridge fastening to be an entirety in this way, it prevents from repairing falling off for position after repairing, and also set up i shaped steel item, I-shaped steel bar can further strengthen the fastening effect to damaged part, epoxy resin primer layer is arranged in the present invention on step groove cell wall, in this way, can be enhanced repair after and former bridge wall combination tightness, prevent the removing at contact connectio, and it can prevent water from flowing into the gap of bridge reparation, the configuration of the present invention is simple, effect is good after reparation, later period is not necessarily to periodic maintenance, maintenance, reduce maintenance of surface cost.
Description
Technical field
The present invention relates to a kind of renovation techniques of bridge pavement, belong to technical field of road construction.
Background technique
Currently, not only vehicle is made to jolt when local damage occurs in bridge pavement, but also the vibration to bridge can be aggravated
It is dynamic, cause bridge crack occur, in addition, the local damage of bridge pavement also results in silt inflow, in addition hot weather and cold
Freeze the erosion of weather, it is long and long it, the service life of bridge can be seriously affected.Once there is breakage in bridge pavement at present, often
Repair materials directly are laid in breakage, although this method is simple, to the depth dug under breakage when being repaired due to bridge
Spend limited, and the repair materials due to breakage and bridge original road surface are easy to produce removing, after use soon, are still easy
It falls off, in this way, traditional renovation technique does not only result in, repairing effect is poor, causes the waste of rehabilitation cost, also seriously affects bridge
The secondary damage on beam road surface influences the normal pass of traffic.
The present invention is in view of the above problems, provide a kind of renovation technique of bridge pavement, to improve bridge pavement reparation
Service life and reliability.
Summary of the invention
To achieve the above object, the invention provides the following technical scheme: a kind of renovation technique of bridge pavement, feature exist
In comprising following steps:
(1) distressed pavements are checked using ground supersonic inspection device, mark bridge specific damaged part and
Damaged size；
(2) jet-bedding or grooving are carried out according to the bridge failure position of label and damaged size using road surface repairing device,
And the shape of jet-bedding or grooving is made to be step groove, the major diameter slot position of step groove is in the lower section of minor diameter slot, ladder
The radian of the bottom surface radian of groove and the bridge position here is adapted, and then step groove is polished using grinding apparatus dry
Only；
(3) glass fiber grid being of moderate size is placed in the major diameter slot of step groove, and the surface area of glass fiber grid is big
In the area of minor diameter slot, less than the area of major diameter slot, steel mesh then is laid in major diameter slot, it is desirable that steel mesh is located at
The top of the glass fiber grid；The center of the steel mesh and glass fiber grid is provided with the slip casting protruded into for grouting equipment
Hole；
(4) grouting equipment is protruded into the injected hole of center of steel mesh and glass fiber grid, injection slurry is injected into glass
In step groove below fine grid, until filling, it is laid with one layer of injection slurry above steel mesh at once later；
(5) it is laid with one layer of epoxy resin primer layer in the top of injection slurry, and is coated on the surrounding cell wall of step groove
One layer of epoxy resin primer layer；
(6) when epoxy resin half curdled appearance of primer layer, it is laid with one layer of screed above it；
(7) before to screed solidification, it is compacted, it is to be solidified later it is good after, one layer of drip is laid on screed
Green concrete topping, is compacted using compacting machine；
(8) it polishes repair place, and using the flatness on Road surface level instrument detection repair place surface, wait be polishing to
When required flatness, the renovation technique to bridge pavement can be completed.
Further, preferably, being disposed with multiple I-shaped steel bars on the glass fiber grid, on the I-shaped steel bar
Under cross the glass fiber grid gate hole setting, and glass fiber grid and steel mesh installation after, I-shaped steel bar is weldingly fixed on
On steel mesh.
Further, preferably, the I-shaped steel bar and steel mesh are all made of 20# steel.
Further, preferably, in the step (5), one layer of asphalt mixtures modified by epoxy resin is coated on the surrounding cell wall of step groove
When rouge primer layer, first the cell wall of step groove is heated.
Further, preferably, rubble containing 20-30cm particle size in mortar used in the screed,
Stone containing 8-15cm particle size in the asphalt concrete pavement.
Further, preferably, in the step (7), before screed solidification, when being compacted to it, emphasis pair
It is compacted at the contact connectio of the step groove of mortar and bridge pavement.
Further, preferably, in the step (2), road surface repairing device is punching apparatus, drilling device or cutting
Equipment when processing step groove, processes major diameter slot using grinding apparatus, the groove depth of major diameter slot is 5-12cm, minor diameter
The groove depth of slot is depending on the breakage of bridge pavement.
Further, preferably, the hole of the steel mesh is greater than the hole of the glass fiber grid.
Further, preferably, protruding into the screed setting, the I-shaped steel bar above the I-shaped steel bar
Lower section protrude into grouting layer setting.
Further, preferably, the injection slurry of the grouting layer expands injection slurry using water-proof type.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is arranged to step groove to damaged part, and steel mesh and glass fiber grid are arranged in major diameter groove,
Steel mesh and glass fiber grid can be very good repair materials and bridge fastening to be an entirety in this way, prevent reparation portion after repairing
Position falls off, and also sets up i shaped steel item, and I-shaped steel bar can further strengthen the fastening effect to damaged part, this
Epoxy resin primer layer is arranged in invention on step groove cell wall, in this way, can be enhanced repair after and former bridge wall combination it is tight
Solidity prevents the removing at contact connectio, and can prevent water from flowing into the gap of bridge reparation, the configuration of the present invention is simple,
Effect is good after reparation, and the later period without periodic maintenance, maintenance, reduces maintenance of surface cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of present invention bridge pavement to be repaired；
Fig. 2 is a kind of reparation structural schematic diagram of the renovation technique of bridge pavement of the present invention；
Wherein, 1, damaged part, 2, step groove, 3, steel mesh, 4, glass fiber grid, 5, I-shaped steel bar, 6, injected hole,
7, epoxy resin primer layer, 8, screed, 9, asphalt concrete pavement.
Specific embodiment
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 description, 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, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of renovation technique of bridge pavement, which is characterized in that
Itself the following steps are included:
(1) distressed pavements are checked using ground supersonic inspection device, marks 1 He of specific damaged part of bridge
Damaged size；
(2) jet-bedding or grooving are carried out according to the bridge failure position of label and damaged size using road surface repairing device,
And the shape of jet-bedding or grooving is made to be step groove 2, the major diameter slot position of step groove 2 is in the lower section of minor diameter slot, rank
The radian of the bottom surface radian of terraced groove and the bridge position here is adapted, and then step groove is polished using grinding apparatus
Completely；
(3) glass fiber grid 4 being of moderate size is placed in the major diameter slot of step groove, and the surface area of glass fiber grid 4
Greater than the area of minor diameter slot, less than the area of major diameter slot, steel mesh then is laid in major diameter slot, it is desirable that steel mesh position
In the top of the glass fiber grid；The center of the steel mesh 3 and glass fiber grid 4 is provided with the note protruded into for grouting equipment
Starch hole 6；
(4) grouting equipment is protruded into the injected hole 6 of the center of steel mesh 4 and glass fiber grid 3, injection slurry is injected
In step groove below glass fiber grid, until filling, it is laid with one layer of injection slurry above steel mesh at once later；
(5) it is laid with one layer of epoxy resin primer layer 7 in the top of injection slurry, and is coated on the surrounding cell wall of step groove
One layer of epoxy resin primer layer 7；
(6) when epoxy resin half curdled appearance of primer layer, it is laid with one layer of screed 8 above it；
(7) before to screed solidification, it is compacted, it is to be solidified later it is good after, one layer of drip is laid on screed
Green concrete topping 9, is compacted using compacting machine；
(8) it polishes repair place, and using the flatness on Road surface level instrument detection repair place surface, wait be polishing to
When required flatness, the renovation technique to bridge pavement can be completed.
In the present embodiment, such as Fig. 2, multiple I-shaped steel bars, the i shaped steel are disposed on the glass fiber grid
Item crosses the gate hole setting of the glass fiber grid up and down, and after glass fiber grid and steel mesh installation, I-shaped steel bar is welded solid
It is scheduled on steel mesh.
In order to improve welding performance and comprehensive performance, the I-shaped steel bar and steel mesh are all made of 20# steel.
In order to guarantee the binding performance of contact position, in the step (5), one is coated on the surrounding cell wall of step groove
When layer epoxy resin primer layer, first the cell wall of step groove is heated.
As preferable one embodiment, in order to guarantee the ability to bear and planarization on road surface, institute in the screed
Rubble containing 20-30cm particle size in the mortar used contains 8-15cm particle size in the asphalt concrete pavement
Stone.
Moreover, it is noted that in the step (7), before screed solidification, when being compacted to it, emphasis
To being compacted at the contact connectio of the step groove of mortar and bridge pavement.In the step (2), road surface repairing device is punching
Hole equipment, drilling device or cutting equipment when processing step groove, process major diameter slot, major diameter slot using grinding apparatus
Groove depth be 5-12cm, the groove depth of minor diameter slot is depending on the breakage of bridge pavement.
In order to guarantee connective stability, the hole of the steel mesh is greater than the hole of the glass fiber grid, described I-shaped
The screed setting is protruded into above steel bar, protrudes into grouting layer setting below the I-shaped steel bar.In order to guarantee waterproof
The injection slurry of effect, the grouting layer expands injection slurry using water-proof type.
The present invention is arranged to step groove to damaged part, and steel mesh and glass fiber grid are arranged in major diameter groove,
Steel mesh and glass fiber grid can be very good repair materials and bridge fastening to be an entirety in this way, prevent reparation portion after repairing
Position falls off, and also sets up i shaped steel item, and I-shaped steel bar can further strengthen the fastening effect to damaged part, this
Epoxy resin primer layer is arranged in invention on step groove cell wall, in this way, can be enhanced repair after and former bridge wall combination it is tight
Solidity prevents the removing at contact connectio, and the configuration of the present invention is simple, effect is good after reparation, and the later period is not necessarily to periodic maintenance, maintenance,
Reduce maintenance of surface cost.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of renovation technique of bridge pavement, which is characterized in that itself the following steps are included:
(1) distressed pavements are checked using ground supersonic inspection device, marks specific damaged part and the breakage of bridge
Size；
(2) jet-bedding or grooving are carried out according to the bridge failure position of label and damaged size using road surface repairing device, and made
The shape for obtaining jet-bedding or grooving is step groove, and the major diameter slot position of step groove is in the lower section of minor diameter slot, step groove
Bottom surface radian and the radian of bridge position here be adapted, then step groove is polished using grinding apparatus clean；
(3) glass fiber grid being of moderate size is placed in the major diameter slot of step groove, and the surface area of glass fiber grid is greater than small
Then the area of diameter groove is laid with steel mesh in major diameter slot less than the area of major diameter slot, it is desirable that steel mesh is located at described
The top of glass fiber grid；The center of the steel mesh and glass fiber grid is provided with the injected hole protruded into for grouting equipment；
(4) grouting equipment is protruded into the injected hole of center of steel mesh and glass fiber grid, injection slurry is injected into glass lattice
In step groove below grid, until filling, it is laid with one layer of injection slurry above steel mesh at once later；
(5) it is laid with one layer of epoxy resin primer layer in the top of injection slurry, and coats one layer on the surrounding cell wall of step groove
Epoxy resin primer layer；
(6) when epoxy resin half curdled appearance of primer layer, it is laid with one layer of screed above it；
(7) before to screed solidification, it is compacted, it is to be solidified later it is good after, it is mixed that one layer of pitch is laid on screed
Solidifying soil surface layer, is compacted using compacting machine；
(8) it polishes repair place, and using the flatness on Road surface level instrument detection repair place surface, wait needed for being polishing to
When flatness, the renovation technique to bridge pavement can be completed；
Multiple I-shaped steel bars are disposed on the glass fiber grid, which crosses the glass fiber grid up and down
Gate hole setting, and after glass fiber grid and steel mesh installation, I-shaped steel bar is weldingly fixed on steel mesh；The i shaped steel
Item and steel mesh are all made of 20# steel.
2. a kind of renovation technique of bridge pavement according to claim 1, it is characterised in that: in the step (5),
When coating one layer of epoxy resin primer layer on the surrounding cell wall of step groove, first the cell wall of step groove is heated.
3. a kind of renovation technique of bridge pavement according to claim 1, it is characterised in that: used in the screed
Mortar in the rubble containing 20-30cm particle size, the stone containing 8-15cm particle size in the asphalt concrete pavement
Son.
4. a kind of renovation technique of bridge pavement according to claim 1, it is characterised in that: in the step (7), to
Before screed solidification, when being compacted to it, emphasis at the contact connectio of the step groove of mortar and bridge pavement to pressing
It is real.
5. a kind of renovation technique of bridge pavement according to claim 1, it is characterised in that: in the step (2), road surface
Prosthetic appliance is punching apparatus, drilling device or cutting equipment, when processing step groove, processes major diameter using grinding apparatus
The groove depth of slot, major diameter slot is 5-12cm, and the groove depth of minor diameter slot is depending on the breakage of bridge pavement.
6. a kind of renovation technique of bridge pavement according to claim 1, it is characterised in that: the hole of the steel mesh is big
In the hole of the glass fiber grid.
7. a kind of renovation technique of bridge pavement according to claim 1, it is characterised in that: the I-shaped steel bar it is upper
Side protrudes into the screed setting, protrudes into grouting layer setting below the I-shaped steel bar.
8. a kind of renovation technique of bridge pavement according to claim 7, it is characterised in that: the injection slurry of the grouting layer
Injection slurry is expanded using water-proof type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649335.XA CN107217563B (en) | 2017-08-02 | 2017-08-02 | A kind of renovation technique of bridge pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649335.XA CN107217563B (en) | 2017-08-02 | 2017-08-02 | A kind of renovation technique of bridge pavement |
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| CN107217563A CN107217563A (en) | 2017-09-29 |
| CN107217563B true CN107217563B (en) | 2019-04-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112681053A (en) * | 2020-12-08 | 2021-04-20 | 江苏现代路桥有限责任公司 | Maintenance material for uneven surface of structure and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2412252C3 (en) * | 1974-03-14 | 1978-10-26 | Reinhard 5461 Windhagen Wirtgen | Process for repairing a road surface course and machine for carrying out the process |
| CN102251454B (en) * | 2011-04-27 | 2013-07-24 | 杭州市市政设施监管中心 | Process for quickly repairing semi-rigid substrate damage of asphalt pavement |
| CN202323614U (en) * | 2011-07-13 | 2012-07-11 | 长沙必特工程技术有限责任公司 | Novel pavement pit hole repairing structure |
| KR101302308B1 (en) * | 2011-07-30 | 2013-09-03 | 윤종식 | Method of Repairing an ASCON Pavement and Structure of The Same |
| CN202969227U (en) * | 2012-07-02 | 2013-06-05 | 长沙必特工程技术有限责任公司 | Novel pavement pit repairing structure |
| CN202787044U (en) * | 2012-09-12 | 2013-03-13 | 浙江八咏公路工程有限公司 | Longitudinal crack treatment structure for bituminous concrete pavement |
| CN103882789B (en) * | 2014-04-17 | 2017-01-04 | 上海陆桥市政工程有限公司 | A kind of road or the renovation technique of bridge pavement |
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Effective date of registration: 20211222 Address after: 276800 municipal test building, No. 279, Linyi Road, Rizhao City, Shandong Province Patentee after: Rizhao Municipal Engineering Co.,Ltd. Address before: 235000 room 407, building 2, No.9 Minsheng Road, Xinhua lane, Xiangshan District, Huaibei City, Anhui Province Patentee before: Li Aijun |
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