CN109338885B - Steel bridge deck pavement structure with stress transition layer and construction method thereof - Google Patents
Steel bridge deck pavement structure with stress transition layer and construction method thereof Download PDFInfo
- Publication number
- CN109338885B CN109338885B CN201811323214.7A CN201811323214A CN109338885B CN 109338885 B CN109338885 B CN 109338885B CN 201811323214 A CN201811323214 A CN 201811323214A CN 109338885 B CN109338885 B CN 109338885B
- Authority
- CN
- China
- Prior art keywords
- steel
- bridge deck
- layer
- cast
- concrete
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 230000007704 transition Effects 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims description 26
- 239000004567 concrete Substances 0.000 claims abstract description 93
- 238000005452 bending Methods 0.000 claims abstract description 24
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000005299 abrasion Methods 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000011384 asphalt concrete Substances 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a steel bridge deck pavement structure with a stress transition layer, which comprises a steel bridge deck, the stress transition layer and an abrasion layer, wherein the steel bridge deck, the stress transition layer and the abrasion layer are sequentially paved from bottom to top, the stress transition layer comprises a concrete cast-in-place layer and a reinforcing mesh inside the concrete cast-in-place layer, the steel bridge deck consists of a positive bending moment area and a negative bending moment area, a plurality of assembled concrete precast slabs are arranged on the steel bridge deck in the positive bending moment area at intervals, and reinforcing steel bars on the periphery of the assembled concrete precast slabs are bound or welded with the reinforcing mesh. The steel bridge deck pavement structure with the stress transition layer is simple in structure.
Description
Technical Field
The invention relates to a steel bridge deck pavement structure with a stress transition layer and a construction method thereof, belonging to the technical research field of bridge deck structures.
Background
The pavement of the steel bridge deck is one of key technologies for the construction of the large-span steel beam bridge, and is always highly valued and concerned by the academic and engineering communities at home and abroad. After the engineering construction of nearly 30 years, a large number of large-span steel bridges are built in China, and the steel bridge deck pavement technology of China also makes great progress. At present, the situation that various paving materials such as epoxy asphalt concrete, cast asphalt concrete, modified asphalt SMA concrete and the like coexist in the pavement of domestic steel bridge decks is formed, wherein the epoxy asphalt concrete has the advantages of high strength, good stability and the like, meets the domestic use conditions of high temperature in summer and large traffic flow, and is widely applied in China.
The steel bridge deck pavement is relatively special, the upper pavement layer is different from common pavement engineering, the steel is a good heat conductor, the temperature of the pavement layer can rise or fall day and night or seasonally (suddenly) along with the change of the environmental temperature of the steel plate, the caused temperature gradient stress is large, and in addition, the steel bridge deck pavement is also subjected to the coupling effect of natural factors such as vehicle load (particularly heavy load and overloaded vehicle), wind load, environment temperature and humidity alternation and the like, so that the stress of the steel bridge deck pavement layer is very complex. Although the performance of the existing paving material is well improved, the disease cases of overlarge bending deformation, local delamination and pushing damage of a paving layer, longitudinal and transverse crack damage, rut damage, pit and groove damage and the like of a steel bridge deck are continuously discovered in engineering practice, and are particularly more remarkable in a large-span steel structure bridge structure.
At present, researches on paving of steel bridge decks focus on paving materials and paving structures, such as further improvement of material performance of paving mixture, optimization of paving layer thickness, improvement of steel bridge deck structures and the like, which are researches on paving materials and structures resisting complex stress of bridge decks, and cannot substantially solve the problems of inconsistent deformation, large stress difference between paving layers and the like caused by large rigidity and strength difference between the steel bridge deck and the wearing layer in a complex stress state; in addition, the existing bridge deck pavement mostly adopts integral cast-in-place construction, shrinkage and cracking are easy to generate for large-area cast-in-place concrete, the maintenance difficulty is increased, the shrinkage problem can be effectively solved by adopting the precast concrete slab, the construction efficiency is improved, and the problems that the bonding strength with the steel bridge deck interface is weaker and the like still exist.
Therefore, for the complex stress characteristic of steel structure bridge deck pavement, on the basis of fully utilizing the excellent performance of the existing pavement material and optimizing the pavement structure, the effective transition of the stress between pavement layers and the selection of the pavement construction mode of the steel bridge deck are more important.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide the steel bridge deck pavement structure with the stress transition layer and the construction method thereof, and the steel bridge deck pavement structure is simple in structure, convenient and efficient.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a steel bridge deck pavement structure that has stress transition layer, includes steel bridge deck slab, stress transition layer, the wearing and tearing layer of laying in proper order from bottom to top, the stress transition layer includes cast-in-place layer of concrete and inside reinforcing bar net, the steel bridge deck slab comprises positive bending moment region territory and negative bending moment region territory, and the interval is provided with a plurality of assembled concrete precast slabs on the regional steel bridge deck slab of positive bending moment, and assembled concrete precast slab reinforcing bar all around all ties or welds with the reinforcing bar net.
Preferably, the reinforcing mesh is formed by mutually cross-binding or welding longitudinal bridge-direction reinforcing steel bars and transverse bridge-direction reinforcing steel bars.
Preferably, the periphery of the prefabricated concrete slab is in contact with a cast-in-place concrete layer, and the top surface of the prefabricated concrete slab is in contact with the bottom surface of the wearing layer.
Preferably, a plurality of shear nails are further arranged inside the concrete cast-in-place layer, the shear nails are uniformly distributed along the longitudinal bridge direction and the transverse bridge direction, and the bottom ends of the shear nails are welded with the top surface of the steel bridge deck.
Preferably, the bottom surface of the prefabricated concrete slab and the top surface of the steel bridge deck slab are bonded through a waterproof adhesive.
A construction method of a steel bridge deck pavement structure with a stress transition layer comprises the following steps: (1) constructing a steel structure main beam and a steel bridge deck: manufacturing and installing a steel structure main beam, and performing anti-corrosion coating treatment on the top surface of the steel bridge deck; (2) and (3) dividing the laying area of the prefabricated concrete slab: carrying out stress analysis on the steel structure main beam, determining positive and negative bending moment areas borne by the steel structure main beam, and reasonably dividing the laying area of the fabricated concrete precast slab in the positive bending moment area; (3) prefabricating an assembled concrete precast slab: determining the prefabricated size of the prefabricated concrete slab according to the laying area of the prefabricated concrete slab of the steel bridge deck, installing a formwork of the prefabricated concrete slab, binding reinforcing steel bars of the prefabricated concrete slab, extending longitudinal bridge-direction reinforcing steel bars and transverse bridge-direction reinforcing steel bars arranged in the prefabricated concrete slab out of the periphery of the prefabricated concrete slab and reserving enough lap joint length, and pouring concrete and maintaining; (4) mounting the prefabricated assembled concrete slab: the top surface of a steel bridge deck in the prefabricated concrete precast slab laying area is paved with a waterproof adhesive, and then the prefabricated concrete precast slabs are lifted to a specified position to be accurately installed, so that the waterproof adhesive is ensured to be in contact with the prefabricated concrete precast slabs, and the phenomena of hollowing and debonding are avoided; (5) and (3) construction of a concrete cast-in-place layer: welding shear nails in a concrete cast-in-place area, binding a steel bar mesh in the cast-in-place area, connecting the steel bar mesh with the steel bars extending out of the prefabricated concrete slab in a welding or binding mode, then carrying out cast-in-place area concrete casting to enable the prefabricated concrete slab and the cast-in-place area to form an integral stress transition layer, and finally maintaining the concrete in the cast-in-place area; (6) construction of a wearing layer: and directly paving an abrasion layer on the top surface of the stress transition layer, and maintaining the abrasion layer to finish construction.
Compared with the prior art, the invention has the following beneficial effects: this steel bridge deck pavement structure that has stress transition layer's simple structure makes the steel bridge deck slab stress of mating formation reasonable through setting up the stress transition layer, rigidity, the steady transition of intensity effectively avoids girder and steel bridge deck slab disease's production of mating formation to prefabricated and cast-in-place mode that combines together reduces the cast-in-place great shrink of production of large tracts of land concrete, improves the efficiency of construction, is fit for the batch prefabrication of batch production and the quick construction of assembled, has great use value and good economic benefits.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.
FIG. 2 is a top view of an embodiment of the present invention.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-2, a steel bridge deck pavement structure with a stress transition layer comprises a steel bridge deck 1, a stress transition layer 2 and an abrasion layer 3 which are sequentially laid from bottom to top, wherein the stress transition layer comprises a concrete cast-in-place layer 4 and a reinforcing mesh 5 inside the concrete cast-in-place layer, the steel bridge deck is composed of a positive bending moment area and a negative bending moment area, a plurality of assembled concrete precast slabs 6 are arranged on the steel bridge deck of the positive bending moment area at intervals, and reinforcing steel bars around the assembled concrete precast slabs are bound or welded with the reinforcing mesh.
In the embodiment of the invention, the stress transition layer is arranged between the steel bridge deck and the wearing layer, the rigidity and the strength of the stress transition layer are arranged between the steel bridge deck and the wearing layer, and the stress borne by the top surface of the steel structure girder can be ensured to be uniformly transited from the steel bridge deck to the wearing layer; the steel bridge deck pavement structure with the stress transition layer enables the main beam to have positive bending moment or negative bending moment along the longitudinal bridge direction due to the difference of the structural form or the supporting form of the steel structure bridge, so that the pavement of the steel bridge deck is positioned in the positive bending moment or negative bending moment area of the main beam, the steel bridge deck positioned in the positive bending moment area of the main beam bears the compressive stress, and the steel bridge deck positioned in the negative bending moment area of the main beam bears the tensile stress.
In the embodiment of the invention, the reinforcing mesh is formed by mutually cross-binding or welding the longitudinal bridge-direction reinforcing steel bars and the transverse bridge-direction reinforcing steel bars.
In the embodiment of the invention, the periphery of the prefabricated concrete slab is in contact with the cast-in-place concrete layer, and the top surface of the prefabricated concrete slab is in contact with the bottom surface of the wearing layer.
In the embodiment of the invention, a plurality of shear nails 7 are also arranged in the concrete cast-in-place layer, the shear nails are uniformly distributed along the longitudinal bridge direction and the transverse bridge direction, and the bottom ends of the shear nails are all welded with the top surface of the steel bridge deck.
In the embodiment of the invention, the bottom surface of the prefabricated concrete slab and the top surface of the steel bridge deck slab are bonded through the waterproof adhesive 8 to form an integral structure.
A construction method of a steel bridge deck pavement structure with a stress transition layer comprises the following steps: (1) constructing a steel structure main beam and a steel bridge deck: manufacturing and installing a steel structure main beam, and performing anti-corrosion coating treatment on the top surface of the steel bridge deck; (2) and (3) dividing the laying area of the prefabricated concrete slab: carrying out stress analysis on the steel structure main beam, determining positive and negative bending moment areas borne by the steel structure main beam, and reasonably dividing the laying area of the fabricated concrete precast slab in the positive bending moment area; (3) prefabricating an assembled concrete precast slab: determining the prefabricated size of the prefabricated concrete slab according to the laying area of the prefabricated concrete slab of the steel bridge deck, installing a formwork of the prefabricated concrete slab, binding reinforcing steel bars of the prefabricated concrete slab, extending longitudinal bridge-direction reinforcing steel bars and transverse bridge-direction reinforcing steel bars arranged in the prefabricated concrete slab out of the periphery of the prefabricated concrete slab and reserving enough lap joint length, and pouring concrete and maintaining; (4) mounting the prefabricated assembled concrete slab: the top surface of a steel bridge deck in the prefabricated concrete precast slab laying area is paved with a waterproof adhesive, and then the prefabricated concrete precast slabs are lifted to a specified position to be accurately installed, so that the waterproof adhesive is ensured to be in contact with the prefabricated concrete precast slabs, and the phenomena of hollowing and debonding are avoided; (5) and (3) construction of a concrete cast-in-place layer: welding shear nails in a concrete cast-in-place area, binding a steel bar mesh in the cast-in-place area, connecting the steel bar mesh with the steel bars extending out of the prefabricated concrete slab in a welding or binding mode, then carrying out cast-in-place area concrete casting to enable the prefabricated concrete slab and the cast-in-place area to form an integral stress transition layer, and finally maintaining the concrete in the cast-in-place area; (6) construction of a wearing layer: and directly paving an abrasion layer on the top surface of the stress transition layer, and maintaining the abrasion layer to finish construction. Make steel bridge deck pavement atress reasonable through setting up the stress transition layer, rigidity, the steady transition of intensity effectively avoid girder and steel bridge deck pavement disease's production to prefabrication and cast-in-place mode that combines together reduce the cast-in-place great shrink that produces of large tracts of land concrete, improve the efficiency of construction, be fit for the batch prefabrication of batch in mill and assembled quick construction, have great use value and good economic benefits.
The invention is not limited to the above best mode, and any person can obtain other various forms of steel bridge deck pavement structures with stress transition layers and construction methods thereof according to the teaching of the invention. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (1)
1. The utility model provides a steel bridge deck pavement structure that has stress transition layer which characterized in that: the prefabricated concrete bridge comprises a steel bridge deck, a stress transition layer and an abrasion layer which are sequentially laid from bottom to top, wherein the stress transition layer comprises a concrete cast-in-place layer and a reinforcing mesh inside the concrete cast-in-place layer; the reinforcing mesh is formed by mutually cross binding or welding longitudinal bridge-direction reinforcing steel bars and transverse bridge-direction reinforcing steel bars; the periphery of the prefabricated concrete slab is in contact with the cast-in-place concrete layer, and the top surface of the prefabricated concrete slab is in contact with the bottom surface of the wearing layer; a plurality of shear nails are also arranged inside the concrete cast-in-place layer, the plurality of shear nails are uniformly distributed along the longitudinal bridge direction and the transverse bridge direction, and the bottom ends of the shear nails are all welded with the top surface of the steel bridge deck; the bottom surface of the prefabricated concrete slab is bonded with the top surface of the steel bridge deck by a waterproof adhesive; the construction method of the steel bridge deck pavement structure with the stress transition layer comprises the following steps: (1) constructing a steel structure main beam and a steel bridge deck: manufacturing and installing a steel structure main beam, and performing anti-corrosion coating treatment on the top surface of the steel bridge deck; (2) and (3) dividing the laying area of the prefabricated concrete slab: carrying out stress analysis on the steel structure main beam, determining positive and negative bending moment areas borne by the steel structure main beam, and only reasonably dividing the laying area of the fabricated concrete precast slab in the positive bending moment area; (3) prefabricating an assembled concrete precast slab: determining the prefabricated size of the prefabricated concrete slab according to the laying area of the prefabricated concrete slab of the steel bridge deck, installing a formwork of the prefabricated concrete slab, binding reinforcing steel bars of the prefabricated concrete slab, extending longitudinal bridge-direction reinforcing steel bars and transverse bridge-direction reinforcing steel bars arranged in the prefabricated concrete slab out of the periphery of the prefabricated concrete slab and reserving enough lap joint length, and pouring concrete and maintaining; (4) mounting the prefabricated assembled concrete slab: the top surface of a steel bridge deck in the prefabricated concrete precast slab laying area is paved with a waterproof adhesive, and then the prefabricated concrete precast slabs are lifted to a specified position to be accurately installed, so that the waterproof adhesive is ensured to be in contact with the prefabricated concrete precast slabs, and the phenomena of hollowing and debonding are avoided; (5) and (3) construction of a concrete cast-in-place layer: welding shear nails in concrete cast-in-place areas of the negative bending moment area and the positive bending moment area, binding a steel bar mesh of the cast-in-place area, connecting the steel bar mesh with the steel bars extending out of the prefabricated concrete slab in a welding or binding mode, then casting concrete in the cast-in-place area to enable the prefabricated concrete slab and the cast-in-place area to form an integral stress transition layer, and finally curing the concrete in the cast-in-place area; (6) construction of a wearing layer: and directly paving an abrasion layer on the top surface of the stress transition layer, and maintaining the abrasion layer to finish construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323214.7A CN109338885B (en) | 2018-11-08 | 2018-11-08 | Steel bridge deck pavement structure with stress transition layer and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323214.7A CN109338885B (en) | 2018-11-08 | 2018-11-08 | Steel bridge deck pavement structure with stress transition layer and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109338885A CN109338885A (en) | 2019-02-15 |
| CN109338885B true CN109338885B (en) | 2021-06-18 |
Family
ID=65314136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811323214.7A Active CN109338885B (en) | 2018-11-08 | 2018-11-08 | Steel bridge deck pavement structure with stress transition layer and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109338885B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921812B (en) * | 2021-01-25 | 2022-09-06 | 太仓市路桥工程有限公司 | Bridge construction method |
| CN113529569B (en) * | 2021-06-30 | 2022-07-08 | 中国建筑第五工程局有限公司 | Double-deck slab structure and construction method thereof |
| CN114808680B (en) * | 2022-04-22 | 2023-10-27 | 江苏中路工程技术研究院有限公司 | Open rib steel bridge deck pavement structure and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383374A (en) * | 2011-11-28 | 2012-03-21 | 湖南大学 | Fabricated fibrous concrete combined deck structure and construction method thereof |
| CN102979037A (en) * | 2012-12-31 | 2013-03-20 | 长安大学 | Steel deck composite pavement structure laying grid type shear connectors |
| CN105064208A (en) * | 2015-08-06 | 2015-11-18 | 福州大学 | Bridge deck structure composed of prefabricated UHPC (Ultra High Performance Concrete) slabs and steel bridge deck and construction method thereof |
| CN205012222U (en) * | 2015-10-12 | 2016-02-03 | 交通运输部公路科学研究所 | Steel deck pavement structure |
| CN105648909A (en) * | 2016-01-04 | 2016-06-08 | 湖南工业大学 | Fabricated combined bridge deck structure provided with grid type connector and construction method thereof |
| CN106638289A (en) * | 2016-10-26 | 2017-05-10 | 上海市政工程设计研究总院（集团）有限公司 | Steel bridge deck expansion joint concrete paving structure and construction method thereof |
-
2018
- 2018-11-08 CN CN201811323214.7A patent/CN109338885B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383374A (en) * | 2011-11-28 | 2012-03-21 | 湖南大学 | Fabricated fibrous concrete combined deck structure and construction method thereof |
| CN102979037A (en) * | 2012-12-31 | 2013-03-20 | 长安大学 | Steel deck composite pavement structure laying grid type shear connectors |
| CN105064208A (en) * | 2015-08-06 | 2015-11-18 | 福州大学 | Bridge deck structure composed of prefabricated UHPC (Ultra High Performance Concrete) slabs and steel bridge deck and construction method thereof |
| CN205012222U (en) * | 2015-10-12 | 2016-02-03 | 交通运输部公路科学研究所 | Steel deck pavement structure |
| CN105648909A (en) * | 2016-01-04 | 2016-06-08 | 湖南工业大学 | Fabricated combined bridge deck structure provided with grid type connector and construction method thereof |
| CN106638289A (en) * | 2016-10-26 | 2017-05-10 | 上海市政工程设计研究总院（集团）有限公司 | Steel bridge deck expansion joint concrete paving structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109338885A (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104929034B (en) | A kind of modularization steel reinforced concrete rapid construction small box girder bridge and its construction method | |
| CN104652210B (en) | Assembled concrete traffic pavement and construction method thereof | |
| CN105839510B (en) | A kind of steel and ultra-high performance concrete composite continuous bridge structure and its construction method | |
| CN109338885B (en) | Steel bridge deck pavement structure with stress transition layer and construction method thereof | |
| CN111764216A (en) | Construction method and application of fabricated concrete road plate | |
| CN104762871A (en) | Prestressed concrete-steel tank beam bond beam continuous beam bridge | |
| CN102383374A (en) | Fabricated fibrous concrete combined deck structure and construction method thereof | |
| CN204919302U (en) | Few main girder structure of wave form steel web | |
| CN108951399A (en) | A kind of Single-box multi-chamber box beam bridge and its construction method | |
| CN201447669U (en) | Road bridge after reinforcement construction by removing beam and adding rib | |
| CN209854529U (en) | Ultra-wide triangular truss type flange assembly type concrete box girder | |
| CN108316164B (en) | Structure for reinforcing old assembled hollow slab girder bridge by using new girder and construction method | |
| CN114150690A (en) | Embedded flange for steel column-concrete foundation, connecting structure and construction method | |
| CN106758745A (en) | A kind of arch bridge and its construction method | |
| CN202181507U (en) | Bridge floor continuous structure of simply-supported bridge | |
| CN112663486A (en) | Steel-concrete combined beam structure with increased steel beam in hogging moment area and construction method | |
| CN209114299U (en) | A kind of Single-box multi-chamber box beam bridge | |
| CN105696453B (en) | A kind of steel-concrete combination beam | |
| CN215482231U (en) | Assembled waffle bridge panel combination case roof beam structure | |
| CN205617223U (en) | Basalt continuous fibers bridge | |
| CN112853916A (en) | Assembled waffle bridge panel combined box girder structure and construction method thereof | |
| CN109183633B (en) | Continuous structure of existing simply supported hollow slab bridge structure and construction method thereof | |
| CN113846558A (en) | Orthotropic UHPC combined bridge deck slab adopting steel ribs and construction method | |
| CN219972931U (en) | Steel bridge deck composite pavement structure | |
| CN209722630U (en) | Prefabricated bituminous block and its paving structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |