CN107313320B - The embedded reinforcement asphalt pavement structure of cement concrete pavement and construction method - Google Patents
The embedded reinforcement asphalt pavement structure of cement concrete pavement and construction method Download PDFInfo
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- CN107313320B CN107313320B CN201710551533.2A CN201710551533A CN107313320B CN 107313320 B CN107313320 B CN 107313320B CN 201710551533 A CN201710551533 A CN 201710551533A CN 107313320 B CN107313320 B CN 107313320B
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- pavement
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/187—Repairing bituminous covers, e.g. regeneration of the covering material in situ, application of a new bituminous topping
-
- 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
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses the embedded reinforcement asphalt pavement structure of cement concrete pavement and construction methods, including roadbed, roadbed is equipped with water-stable gravel and side slope step, side slope step is equipped with baffle and mortar rubble masonry pavement, board bottom injecting cement paste is successively arranged on water-stable gravel, breaking concrete panel, the geotextiles that become mildewed and asphalt concrete pavement, baffle is equipped with through hole and preformed hole, baffle side is equipped with groove and is fixed with breaking concrete panel, inserted with the connecting screw for running through breaking concrete panel in through hole, baffle is fastened on breaking concrete panel, water-stable gravel, which corresponds to, is equipped with bolthole at the position of preformed hole, inserted with the reinforcing bar body of rod in bolthole, bolthole is formed with slurries reinforcing body to exosmosis, upgrading is carried out after cement concrete pavement serious damage capable of being directed to, it efficiently solves Later period pavement cracking and endurance issues significantly reduce the extension and roadbed subsidence deformation of reflection crack, there is good technical economic benefit.
Description
Technical field
The invention belongs to field of road, and in particular to the embedded reinforcement asphalt pavement structure of cement concrete pavement and
Construction method.
Background technique
Cement concrete pavement structure was open to traffic after many years, and supercrust, which gradually appears, gnaws the diseases such as side, disconnected plate, depression, was
Improve driving condition, using the scheme of the repaving asphalt coat on old cement concrete road.The program to disease cement concrete slab and
Plate stitch is punished, then the repaving asphalt coat on old pavement, is effectively utilized Old cement concrete, overhaul cost compared with
It is low, it is easy for construction, it is an effective measures of Promotion Transformation section road-ability and bearing capacity.But due to old coagulating cement
There is T-joining and disease cracks for soil surface, if incompletely processed with regard to carrying out cover construction, when vehicle passes through, old pavement is former
It will change due to flexure between crack location adjacent plate and generate vertical displacement and shear stress occur, if stress is more than the anti-of finishing coat
The curved drawing limit, the cracking that its bottom stress will be caused to concentrate position, crack slowly extend from the bottom to top, finally go out on finishing coat
Existing reflection crack；In addition, since road surface is exposed in atmosphere, dual shadow of the reflection crack by rain erosion and temperature stress difference
It rings, it will further expand, asphalt surface course is made reflection crack occur, eventually lead to bitumen layer and early stage Water Damage disease, shadow occur
Overhaul engineering quality is rung.
Summary of the invention
The purpose of the present invention is to provide the embedded reinforcement asphalt pavement structure of cement concrete pavement and construction method, energy
For the green upgrading of progress after cement concrete pavement serious damage, the pull-type baffle of anchor is set in both sides of the road and grouts piece
Stone slope protection installs prefabricated board, and board bottom slip casting after the serious fracture area step excavation of concrete slab, and area of coming to nothing is reinforced in effectively filling
And panel crack, it is laid with becomes mildewed geotextiles and asphalt concrete pavement thereon, efficiently solve later period pavement cracking and durable
Property problem, the extension and roadbed subsidence deformation of reflection crack are significantly reduced, applied to achieving preferable Technological Economy in engineering
Benefit.
In order to achieve the above object, major technique solution of the invention is to provide the embedded reinforcement drip of cement concrete pavement
Green pavement structure, including roadbed, roadbed are equipped with water-stable gravel and side slope step, are provided with baffle and slurry on side slope step
Build slabstone slope protection form firm protective slope structure, be successively arranged on water-stable gravel board bottom injecting cement paste, breaking concrete panel,
The geotextiles that become mildewed and asphalt concrete pavement, baffle are equipped with through hole and preformed hole, and baffle side is equipped with groove and is crushed mixed
Solidifying soil panel is fixed, and inserted with the connecting screw for running through breaking concrete panel in through hole, baffle is fastened on broken
On concrete slab, water-stable gravel corresponds to and is equipped with bolthole at the position of preformed hole, inserted with the reinforcing bar body of rod in bolthole,
Bolthole is formed with slurries reinforcing body to exosmosis.
Reinforcing bar body of rod free end in the preformed hole is locked equipped with anchor, is protected in preformed hole filled with anti-corrosion material
Protect anchor.
The breaking concrete panel is equipped with serious fracture area step, and serious fracture area step is equipped with engaged therewith
Prefabricated board, dowel and Grouting Pipe, there is the gap 10mm between prefabricated board and serious fracture area step, dowel and Grouting Pipe pass through
Corresponding hole on prefabricated board, a terrace of serious fracture area step are set to the middle part of breaking concrete panel, and Grouting Pipe is set
It is evenly distributed with slip casting aperture under prefabricated board, in Grouting Pipe, board bottom injecting cement paste is formed with around Grouting Pipe.
The present invention also provides the construction methods of the embedded reinforcement asphalt pavement structure of the cement concrete pavement, including
The following steps:
1) side slope step is arranged: excavating in the side slope of cement concrete pavement two sides and forms side slope step；
2) baffle is installed: being made according to the breaking concrete plate thickness of cement concrete pavement with fluted and preformed hole
Baffle, baffle is caught on breaking concrete panel by groove, baffle is fastened on broken mixed by drilling implantation connecting screw
On solidifying soil panel；
3) anchor pole is installed: passing through the preformed hole on baffle with drilling machine and sets bolthole in water-stable gravel, to bolthole
Interior insertion reinforcement rod body, and the cement injection into bolthole, finally with the free end of the anchor locking reinforcing bar body of rod；
4) mortar rubble masonry pavement is constructed: being built slabstone on side slope step and is formed firm mortar rubble masonry pavement；
5) serious fracture area step setting: the seriously broken concrete topping on breaking concrete panel is cut,
Serious fracture area step is set on the intact breaking concrete panel of surrounding, and the drilling implantation dowel on step；
6) it buries Grouting Pipe: burying Grouting Pipe along breaking concrete panel bottom surface；
7) install prefabricated board: prefabricated board is placed in serious fracture area by the prefabricated board of production and the cooperation of serious fracture area step
On step, dowel and Grouting Pipe pass through corresponding hole on prefabricated board；
8) cement slurry: being injected the board bottom of breaking concrete panel by Grouting Pipe by board bottom slip casting, and solidification forms board bottom note
Slurry；
9) geotextiles that become mildewed are laid with: being laid with the geotextiles that become mildewed on the breaking concrete panel being disposed；
10) it asphalt concrete pavement decking and rolling: is paved bituminous concrete in geotextiles with paver becoming mildewed, using pressure
Road machine grinding compacting forms asphalt concrete pavement.
The cement slurry injected in the step 3) is full of bolthole, the reinforcing bar body of rod is fastened after grout cures and to extravasation
Slurries reinforcing body is formed thoroughly, and anchor is placed in the preformed hole on baffle, filled with anti-corrosion material protection anchoring in preformed hole
Device.
One terrace of the serious fracture area step is set in the middle part of the layer of breaking concrete panel, is drilled and is planted on terrace
Enter dowel, dedicated adhesive glue is filled between dowel and drilling.
Slip casting aperture is evenly distributed in the Grouting Pipe, Grouting Pipe is diverted through vertical bipass and realizes.
The shape of the prefabricated board matches with serious fracture area step, after installation prefabricated board and serious fracture area step it
Between there are the gaps 10mm.
The invention has the characteristics that and the utility model has the advantages that
(1) present invention is in the pull-type baffle of both sides of the road setting anchor and mortar rubble masonry pavement, cement injection, cement slurry infiltration
Slurries reinforcing body is formed, the stability of roadbed side slope is effectively improved, the setting of baffle prevents spillage of the cement slurry in side slope,
Improve slip casting efficiency；
(2) prefabricated board, and board bottom slip casting are installed after the serious fracture area step excavation of breaking concrete panel, effectively fill
Reinforcing is come to nothing area and panel crack；
(3) become mildewed geotextiles and asphalt concrete pavement are successively laid on the breaking concrete panel after reinforcing, it is effectively anti-
The only generation of reflection crack improves the durability of road.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention,
Fig. 2 is schematic diagram at the side slope of inode both sides of the road in Fig. 1,
Fig. 3 is schematic diagram at II node serious damage area in Fig. 1,
In figure: 1- roadbed, 2- water-stable gravel, 3- side slope step, 4- mortar rubble masonry pavement, 5- baffle, 6- slurries add
Solid, 7- board bottom injecting cement paste, 8- asphalt concrete pavement, the 9- reinforcing bar body of rod, 10- bolthole, 11- Grouting Pipe, 12- are crushed coagulation
Native panel, 13- anchor, 14- become mildewed geotextiles, 15- connecting screw, 16- prefabricated board, 17- dowel, and 18- is seriously crushed
Area's step, 19- preformed hole.
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, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
As depicted in figs. 1 and 2, the embedded reinforcement asphalt pavement structure of cement concrete pavement described in the present embodiment,
Including roadbed 1, roadbed 1 is equipped with water-stable gravel 2 and side slope step 3, and baffle 5 is provided on side slope step 3 and grouts piece
Stone slope protection 4 forms firm protective slope structure, is successively arranged board bottom injecting cement paste 7, breaking concrete panel on water-stable gravel 2
12, the geotextiles that become mildewed 14 and asphalt concrete pavement 8, baffle 5 are equipped with through hole and preformed hole 19, and 5 side of baffle is equipped with recessed
Slot is fixed with breaking concrete panel 12, the interior connecting screw 15 inserted with through breaking concrete panel 12 of through hole,
Baffle 5 is fastened on breaking concrete panel 12, is equipped with bolthole at the position of the corresponding preformed hole 19 of water-stable gravel 2
10, inserted with the reinforcing bar body of rod 9, bolthole 10 and slurries reinforcing body 6 is formed with to exosmosis in bolthole 10.
9 free end of the reinforcing bar body of rod in the preformed hole 19 is locked equipped with anchor 13, filled with anti-in preformed hole 19
Rotten material protection anchor 13.
As shown in figure 3, the breaking concrete panel 12 is equipped with serious fracture area step 18, serious fracture area step 18
It is equipped with prefabricated board 16 engaged therewith, dowel 17 and Grouting Pipe 11, is had between prefabricated board 16 and serious fracture area step 18
The gap 10mm, dowel 17 and Grouting Pipe 11 pass through corresponding hole on prefabricated board 16, a rank of serious fracture area step 18
Face is set to the middle part of breaking concrete panel 12, and Grouting Pipe 11 is placed under prefabricated board 16, is evenly distributed with slip casting in Grouting Pipe 11
Aperture is formed with board bottom injecting cement paste 7 around Grouting Pipe 11.
The present invention also provides the construction methods of the embedded reinforcement asphalt pavement structure of the cement concrete pavement, including
The following steps:
1) side slope step 3 is arranged: excavating in the side slope of cement concrete pavement two sides and forms side slope step 3；
2) baffle 5 is installed: being made according to 12 thickness of breaking concrete panel of cement concrete pavement with fluted and pre-
Box out 19 baffle 5, baffle 5 is caught on breaking concrete panel 12 by groove, drilling implantation connecting screw 15 is by baffle 5
It is fastened on breaking concrete panel 12；
3) anchor pole is installed: passing through the preformed hole 19 on baffle 5 with drilling machine and sets bolthole 10 in water-stable gravel 2, to
It is inserted into reinforcement rod body 9, and the cement injection into bolthole 10 in bolthole 10, finally locks the reinforcing bar body of rod 9 with anchor 13
Free end；
4) mortar rubble masonry pavement 4 is constructed: being built slabstone on side slope step 3 and is formed firm mortar rubble masonry pavement 4；
5) serious fracture area step 18 is arranged: the seriously broken concrete topping on breaking concrete panel 12 is dug
It removes, serious fracture area step 18 is set on the intact breaking concrete panel 12 of surrounding, and the drilling implantation connection on step
Muscle 17；
6) it buries Grouting Pipe 11: burying Grouting Pipe 11 along 12 bottom surface of breaking concrete panel；
7) install prefabricated board 16: prefabricated board 16 is placed in sternly by the prefabricated board 16 of production and the cooperation of serious fracture area step 18
On weight fracture area step 18, dowel 17 and Grouting Pipe 11 pass through corresponding hole on prefabricated board 16；
8) cement slurry: being injected the board bottom of breaking concrete panel 12 by Grouting Pipe 11 by board bottom slip casting, and solidification forms plate
Rising pouring slurry 7；
9) geotextiles 14 that become mildewed are laid with: being laid with the geotextiles 14 that become mildewed on the breaking concrete panel 12 being disposed；
10) it 8 decking and rolling of asphalt concrete pavement: is paved bituminous concrete, is adopted with paver in geotextiles 14 becoming mildewed
The closely knit formation asphalt concrete pavement 8 of steamroller.
The cement slurry injected in the step 3) is full of bolthole 10, fasten after grout cures the reinforcing bar body of rod 9 and to
Exosmosis forms slurries reinforcing body 6, and anchor 13 is placed in the preformed hole 19 on baffle 5, and anti-corrosion is filled in preformed hole 19
Material protection anchor 13.
One terrace of the serious fracture area step 18 is set in the middle part of the layer of breaking concrete panel 12, is bored on terrace
Hole is implanted into dowel 17, and dedicated adhesive glue is filled between dowel 17 and drilling.
Slip casting aperture is evenly distributed in the Grouting Pipe 11, Grouting Pipe 11 is diverted through vertical bipass and realizes.
The shape of the prefabricated board 16 matches with serious fracture area step 18, prefabricated board 16 and serious fracture area after installation
There are the gaps 10mm between step.
The present invention is in the pull-type baffle 5 of both sides of the road setting anchor and mortar rubble masonry pavement 4, cement injection, cement slurry infiltration
Slurries reinforcing body 6 is formed, effectively improves the stability of 1 side slope of roadbed, the setting of baffle 5 prevents leakage of the cement slurry in side slope
Slurry, improves slip casting efficiency；Prefabricated board 16 is installed, and board bottom is infused after the serious fracture area step excavation of breaking concrete panel 12
Slurry, effectively filling reinforce come to nothing area and panel crack；The geotextiles that become mildewed successively are laid on breaking concrete panel 12 after reinforcing
14 and asphalt concrete pavement 8, it is effectively prevent the generation of reflection crack, improves the durability of road.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (6)
1. the embedded reinforcement asphalt pavement structure of cement concrete pavement, including roadbed (1), which is characterized in that roadbed is set on (1)
There are water-stable gravel (2) and side slope step (3), baffle (5) and mortar rubble masonry pavement (4), water are provided on side slope step (3)
Board bottom injecting cement paste (7), breaking concrete panel (12), the geotextiles that become mildewed (14) and pitch are successively arranged on steady crushed rock base course (2)
Concrete topping (8), baffle (5) are equipped with through hole and preformed hole (19), and baffle (5) side is equipped with groove and breaking concrete
Panel is fixed, and inserted with the connecting screw (15) for running through breaking concrete panel (12) in through hole, baffle (5) are fastened
On breaking concrete panel (12), bolthole (10) are equipped at the position of water-stable gravel (2) corresponding preformed hole (19), anchor
Inserted with the reinforcing bar body of rod (9) in rod aperture (10), bolthole (10) surrounding is equipped with slurries reinforcing body (6), in the preformed hole (19)
The reinforcing bar body of rod (9) free end locked equipped with anchor (13), filled with anti-corrosion material protection anchoring dress in preformed hole (19)
It sets (13), the breaking concrete panel (12) is equipped with serious fracture area step (18), sets on serious fracture area step (18)
There are prefabricated board engaged therewith (16), dowel (17) and Grouting Pipe (11), prefabricated board (16) and serious fracture area step (18)
Between have a gap 10mm, dowel (17) and Grouting Pipe (11) pass through corresponding hole on prefabricated board (16), serious fracture area platform
One terrace of rank (18) is set to the middle part of breaking concrete panel (12), and Grouting Pipe (11) is placed under prefabricated board (16), slip casting
It is evenly distributed with slip casting aperture on pipe (11), is formed with board bottom injecting cement paste (7) around Grouting Pipe (11).
2. the construction method of the embedded reinforcement asphalt pavement structure of cement concrete pavement, characterized in that it comprises the following steps:
1) side slope step (3) is arranged: excavating in the side slope of cement concrete pavement two sides and forms side slope step (3)；
2) baffle (5) are installed: are made according to breaking concrete panel (12) thickness of cement concrete pavement with fluted and pre-
It boxes out the baffle (5) of (19), baffle (5) is caught on breaking concrete panel (12) by groove, drilling implantation connecting screw
(15) baffle (5) is fastened on breaking concrete panel (12)；
3) anchor pole is installed: passing through the preformed hole (19) on baffle (5) with drilling machine and sets bolthole in water-stable gravel (2)
(10), reinforcement rod body (9) are inserted into bolthole (10), and to bolthole (10) interior cement injection, finally use anchor
(13) free end of the reinforcing bar body of rod (9) is locked；
4) mortar rubble masonry pavement (4) is constructed: being built slabstone on side slope step (3) and is formed firm mortar rubble masonry pavement (4)；
5) serious fracture area step (18) setting: the seriously broken concrete topping on breaking concrete panel (12) is dug
It removes, serious fracture area step (18) is set on the intact breaking concrete panel (12) of surrounding, and the implantation that drills on step
Dowel (17)；
6) Grouting Pipe (11) are buried: buries Grouting Pipe (11) along breaking concrete panel (12) bottom surface；
7) install prefabricated board (16): the prefabricated board (16) of production and the cooperation of serious fracture area step (18) sets prefabricated board (16)
In on serious fracture area step (18), dowel (17) and Grouting Pipe (11) pass through corresponding hole on prefabricated board (16)；
8) board bottom slip casting: by Grouting Pipe (11) by the board bottom of cement slurry injection breaking concrete panel (12), solidification forms plate
Rising pouring slurry (7)；
9) it is laid with and becomes mildewed geotextiles (14): being laid on the breaking concrete panel (12) being disposed and become mildewed geotextiles (14)；
10) it asphalt concrete pavement (8) decking and rolling: is paved bituminous concrete, is adopted with paver on the geotextiles that become mildewed (14)
The closely knit formation asphalt concrete pavement (8) of steamroller.
3. the construction method of the embedded reinforcement asphalt pavement structure of cement concrete pavement according to claim 2, special
Sign is that the cement slurry injected in the step 3) is full of bolthole (10), fastens the reinforcing bar body of rod (9) simultaneously after grout cures
Slurries reinforcing body (6) are formed to exosmosis, anchor (13) is placed in the preformed hole (19) on baffle (5) Nei, preformed hole (19)
It is interior to protect anchor (13) filled with anti-corrosion material.
4. the construction method of the embedded reinforcement asphalt pavement structure of cement concrete pavement according to claim 2, special
Sign is that a terrace of the serious fracture area step (18) is set in the middle part of the layer of breaking concrete panel (12), on terrace
Drilling implantation dowel (17) is filled with dedicated adhesive glue between dowel (17) and drilling.
5. the construction method of the embedded reinforcement asphalt pavement structure of cement concrete pavement according to claim 2, special
Sign is to be evenly distributed with slip casting aperture on the Grouting Pipe (11).
6. the construction method of the embedded reinforcement asphalt pavement structure of cement concrete pavement according to claim 2, special
Sign is that the shape of the prefabricated board (16) matches with serious fracture area step (18), and prefabricated board (16) is broken with serious after installation
There are the gaps 10mm between broken area's step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551533.2A CN107313320B (en) | 2017-07-07 | 2017-07-07 | The embedded reinforcement asphalt pavement structure of cement concrete pavement and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551533.2A CN107313320B (en) | 2017-07-07 | 2017-07-07 | The embedded reinforcement asphalt pavement structure of cement concrete pavement and construction method |
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| CN107313320A CN107313320A (en) | 2017-11-03 |
| CN107313320B true CN107313320B (en) | 2019-02-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108396605A (en) * | 2018-02-12 | 2018-08-14 | 中交第二公路勘察设计研究院有限公司 | Underlie buried cave dwelling road structure and construction method |
| CN108547195B (en) * | 2018-04-28 | 2020-03-20 | 江西博慧工程技术服务有限公司 | Drainage asphalt pavement structure and construction method |
| CN109024135B (en) * | 2018-08-15 | 2020-07-24 | 江西博慧工程技术服务有限公司 | Green upgrading structure and modification method for concrete pavement |
| CN112095375B (en) * | 2020-08-07 | 2022-03-01 | 中电建路桥集团有限公司 | Durable asphalt pavement and construction method thereof |
| CN112832080B (en) * | 2021-01-12 | 2022-04-01 | 四川省交通建设集团股份有限公司 | Construction method for enlarging and rebuilding embankment of highway to widen |
| CN115354548B (en) * | 2022-08-10 | 2024-04-05 | 聊城市交通发展有限公司 | New and old pavement splicing structure and construction method thereof |
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| JP5698604B2 (en) * | 2011-05-30 | 2015-04-08 | 矢作建設工業株式会社 | Installation method of precast plate at the first stage in slope reinforcement method |
| 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 |
| CN205875176U (en) * | 2016-04-25 | 2017-01-11 | 杭州江润科技有限公司 | Ventilation embankment step grouts slabstone and completely spreads slope protection structure |
| CN206902487U (en) * | 2017-07-07 | 2018-01-19 | 安徽省新路建设工程集团有限责任公司 | The embedded reinforcement asphalt pavement structure of cement concrete pavement |
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