CN210458941U - High-performance steel bridge deck structure - Google Patents
High-performance steel bridge deck structure Download PDFInfo
- Publication number
- CN210458941U CN210458941U CN201920315252.1U CN201920315252U CN210458941U CN 210458941 U CN210458941 U CN 210458941U CN 201920315252 U CN201920315252 U CN 201920315252U CN 210458941 U CN210458941 U CN 210458941U
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- bridge deck
- steel bridge
- grid
- deck structure
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- 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
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a high performance steel bridge floor structure, high performance steel bridge floor structure's characteristics add the grid layer that the one deck pours into the stopping between traditional bridge floor surface course and orthotropic steel bridge deck slab. The grid layer consists of grid chambers and filling materials filled in the grid chambers, and the grid chambers are separated by partition plates. In order to meet the requirements of rigidity and strength of the bridge deck structure design, different types of grid layers can be flexibly selected. The utility model discloses effectively improved traditional steel bridge floor structure and produced fatigue failure, bridge floor surface course and the not enough problem of orthotropic steel bridge deck plate adhesive force easily, but wide application in the newly-built and maintenance reinforcement of various steel bridge floors.
Description
Technical Field
The utility model relates to a bridge construction field, in particular to high performance steel bridge deck structure.
Background
In recent decades, the number of newly-built steel bridges is increasing, and traditional orthotropic steel bridge deck plates are mostly adopted for steel bridge deck. At the bottom of the orthotropic steel bridge deck, a plurality of stiffening ribs arranged along the longitudinal direction of the bridge are arranged to increase the longitudinal rigidity of the orthotropic steel bridge deck, but the transverse rigidity is weaker. Under the repeated action of traffic load, the bridge deck is repeatedly subjected to bending deformation, and stress concentration repeatedly occurs at the welding point position of the orthotropic steel bridge deck and the stiffening rib, so that the part is easy to generate fatigue failure. This has become a technical problem in the current steel bridge deck structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel bridge floor structure of high performance to solve above-mentioned technical problem.
In order to realize the above purpose, the utility model adopts the technical scheme that: the steel bridge comprises a bridge deck layer positioned on a top layer, orthotropic steel bridge decks positioned on a bottom layer and a grid layer positioned between the orthotropic steel bridge decks, wherein the grid layer is arranged between the bridge deck layer and the orthotropic steel bridge decks, and the grid layer comprises grid chambers formed by partition plates and fillers filled in the grid chambers. The deck layer is a bridge deck pavement layer, which typically comprises individual deck structure layers above a steel deck slab. The orthotropic steel bridge deck is a traditional orthotropic steel bridge deck and consists of a steel bridge deck panel, longitudinal stiffening ribs and a diaphragm plate. Because the grid layer assists in bearing force, the rigidity and the strength of the traditional orthotropic steel bridge deck can be obviously improved. In order to meet the requirements of rigidity and strength of the bridge deck structure design, different types of grid layers can be flexibly selected. The cells are spaces surrounded by the partition plates.
As a further improvement of the utility model, the shape of the partition board along the length direction is one or more combinations of a straight line shape, a curve shape and a broken line shape so as to adapt to different design rigidity and strength requirements.
As a further improvement, the height dimension value of the partition board is greater than the thickness dimension value, so that the rigidity and the strength of the grid layer meet the design requirements.
As a further improvement, the utility model improves the integrity of the steel bridge deck structure and is provided with a through hole for communicating the adjacent cells on the side wall of the clapboard. The filling material of each cell is connected into a whole by the through holes. The position, size and spacing of the through holes can be adjusted accordingly according to the design.
As a further improvement of the present invention, the through hole is a notch formed at the top or bottom of the side wall of the partition board, a hole penetrating the side wall or a combination thereof.
As a further improvement of the present invention, the material of the partition board is metal, nonmetal or a combination thereof.
As a further improvement of the present invention, in order to satisfy the design requirements of rigidity and strength of the steel bridge deck, the planar shape of the cells may be polygonal, circular or a combination thereof.
As a further improvement of the utility model, the grid room with orthotropic steel bridge deck's connected mode can be for welding, riveting, bolted connection, buckle connection, splice one kind, or multiple combination.
As a further improvement, the filler can be ordinary cement concrete or reactive powder concrete, and effectively improves the problem that the bonding adhesive force of the bridge surface layer and the orthotropic steel bridge deck is not enough.
The utility model has the advantages that:
1. the traditional orthotropic steel bridge deck structure is improved, the rigidity and the strength of the steel bridge deck are improved by the newly added grid layer, and the risk of fatigue failure of the steel bridge deck is reduced. After the bridge is built, only the bridge deck surface layer needs to be repaired regularly, and other parts of the bridge deck generally do not need to be maintained, so that the maintenance cost of the steel bridge deck is reduced.
2. The newly added grid layer can assist the orthotropic steel bridge deck slab to bear, can effectively improve the rigidity and the strength of the bridge deck, obviously reduce the fatigue stress of the steel bridge deck, prolong the service life of the orthotropic steel bridge deck slab and obviously improve the structural characteristics of the steel bridge deck slab.
3. For different types of steel bridge surfaces, grid layers with different characteristics can be flexibly selected to meet the design requirements of the rigidity and the strength of the steel bridge surfaces. Such as the shape of the cells, the thickness of the spacers, the spacing of the spacers, the strength of the fill material, etc.
4. If the common cement concrete or the reactive powder concrete is used as the filler and the asphalt concrete is used as the bridge deck surface layer, the common cement concrete or the reactive powder concrete can be better bonded with the asphalt concrete, so that the problem of insufficient adhesive force between the asphalt concrete and the orthotropic steel bridge deck can be solved.
5. The partition plate is provided with through holes for communicating the adjacent cells, so that the fillers are connected into a whole through the through holes, the integrity of the bridge deck structure is enhanced while the construction is facilitated.
6. The cells may be fabricated in situ or factory, or both.
Drawings
FIG. 1 is a schematic perspective view of the structure of the utility model without filler in the cells;
FIG. 2 is a schematic perspective view of the structure of the present invention with filling material filled in some cells;
FIG. 3 is a schematic view of a via location;
FIG. 4 is a schematic view of a small cell constituting a large cell;
fig. 5 is a schematic top view of a first embodiment of the present invention;
fig. 6 is a schematic top view of a second embodiment of the present invention;
fig. 7 is a schematic view of the single partition plate of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first implementation mode comprises the following steps:
as shown in fig. 1-5, the specific structure of the present invention is: the bridge deck comprises a bridge deck surface layer 1 positioned on the top layer, a grid layer 20 positioned in the middle, and an orthotropic steel bridge deck 3 positioned on the bottom layer, wherein the grid layer 20 comprises cells 2 consisting of partition plates 21 and fillers 4 filled in the cells 2. The bridge deck surface layer 1 is made of asphalt concrete, the partition plate 21 is made of metal materials, and the filling material 4 is made of reactive powder concrete. The asphalt concrete and the active powder concrete can be better bonded, and the problem of insufficient adhesive force between the asphalt concrete bridge deck surface layer and the orthotropic steel bridge deck is solved.
The bridge deck layer 1 is a bridge deck pavement layer. The orthotropic steel bridge deck 3 is a traditional orthotropic steel bridge deck and consists of a steel bridge deck panel, longitudinal stiffening ribs and transverse clapboards. The filling material 4 can be flexibly selected according to design requirements. The grid layer 20 may significantly increase the stiffness and strength of the deck structure. Because the grid layer 20 assists in bearing force, the rigidity and the strength of the traditional orthotropic steel bridge deck can be obviously improved. In order to meet the requirements of rigidity and strength of the bridge deck structure design, different types of grid layers can be flexibly selected. The cells are spaces surrounded by the partition plates.
The partitions 21 are linear in shape along the length direction, and have a height dimension greater than a thickness dimension, so that the rigidity of the grating layer 20 is enhanced.
The side wall of the partition board 21 is provided with a through hole 23 for communicating the adjacent cells 2, and the through hole 23 comprises a gap at the top of the side wall, a gap at the bottom and a round hole at the middle part. The filling material 4 enters the adjacent cells 2 through the through holes 23 and connects the cells 2 into a whole, and the filling height of the filling material 4 is not less than the height of the cells 2, as shown in fig. 7. The size and spacing of the through holes 23 is determined by the flow characteristics of the fill material 4, the stiffness and strength design requirements of the grid layer.
As shown in fig. 4, the grid layer 20 is prefabricated into small cells 2 in a factory, the small cells are transported to a construction site by an automobile, the large cells 2 are spliced on the steel bridge deck panel, and the cells 2 are welded with the orthotropic steel bridge deck panel 3.
As shown in fig. 5, the partitions 21 are vertically staggered and spliced with each other so that each cell 2 has a rectangular shape in plan view.
The second embodiment:
as shown in fig. 6, the present embodiment differs from the first embodiment in that: the cells 2 are hexagonal in shape in plan view.
The utility model has the advantages that:
1. the traditional orthotropic steel bridge deck structure is improved, the rigidity and the strength of the steel bridge deck are improved by the newly added grid layer, and the risk of fatigue failure of the steel bridge deck is reduced. After the bridge is built, only the bridge deck surface layer needs to be repaired regularly, and other parts of the bridge deck generally do not need to be maintained, so that the maintenance cost of the steel bridge deck is reduced.
2. The newly added grid layer can assist the orthotropic steel bridge deck slab to bear, can effectively improve the rigidity and the strength of the bridge deck, obviously reduce the fatigue stress of the steel bridge deck, prolong the service life of the orthotropic steel bridge deck slab and obviously improve the structural characteristics of the steel bridge deck slab.
3. For different types of steel bridge surfaces, grid layers with different characteristics can be flexibly selected to meet the design requirements of the rigidity and the strength of the steel bridge surfaces. Such as the shape of the cells, the thickness of the spacers, the spacing of the spacers, the strength of the fill material, etc.
4. If the common cement concrete or the reactive powder concrete is used as the filler and the asphalt concrete is used as the bridge deck surface layer, the common cement concrete or the reactive powder concrete can be better bonded with the asphalt concrete, so that the problem of insufficient adhesive force between the asphalt concrete and the orthotropic steel bridge deck can be solved.
5. The partition plate is provided with through holes for communicating the adjacent cells, so that the fillers are connected into a whole through the through holes, the integrity of the bridge deck structure is enhanced while the construction is facilitated.
6. The cells may be fabricated in situ or factory, or both.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.
Claims (10)
1. A high-performance steel bridge deck structure comprises a bridge deck surface layer (1) located at the top layer and an orthotropic steel bridge deck plate (3) located at the bottom layer, and is characterized by further comprising a grid layer (20), wherein the grid layer (20) is arranged between the bridge deck surface layer (1) and the orthotropic steel bridge deck plate (3), and the grid layer (20) comprises grid chambers (2) formed by partition plates (21) and filling materials (4) filled in the grid chambers (2).
2. The high-performance steel bridge deck structure according to claim 1, wherein the shape of the partition plate (21) in the longitudinal direction is one or a combination of a straight line shape, a curved line shape and a broken line shape.
3. The high-performance steel deck structure according to claim 2, wherein the height dimension of said partition plate (21) is greater than the thickness dimension.
4. The high-performance steel bridge deck structure according to claim 3, wherein the side walls of the partition plates (21) are provided with through holes (23) for communicating the adjacent cells (2).
5. The high-performance steel bridge deck structure according to claim 4, wherein the through holes (23) are notches formed in the top or bottom of the side wall of the partition plate (21), or holes penetrating through the side wall.
6. The high-performance steel bridge deck structure according to claim 4, wherein the partition plate (21) is made of metal, nonmetal or a combination thereof.
7. The high performance steel deck structure according to claim 4, wherein the cells (2) have a planar shape of a polygon, a circle or a combination thereof.
8. The high-performance steel bridge deck structure according to claim 7, wherein the connection mode of the cells (2) and the orthotropic steel bridge deck slab (3) is welding, riveting, bolting, snapping, gluing or the combination thereof.
9. The high-performance steel bridge deck structure according to claim 7, wherein said filler (4) is cement concrete or asphalt concrete.
10. The high-performance steel bridge deck structure according to claim 7, wherein said filler (4) is reactive powder concrete.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203628X | 2018-03-13 | ||
| CN201810203628.XA CN108193597A (en) | 2018-03-13 | 2018-03-13 | A kind of high-performance steel bridge floor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210458941U true CN210458941U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810203628.XA Pending CN108193597A (en) | 2018-03-13 | 2018-03-13 | A kind of high-performance steel bridge floor structure |
| CN201920315252.1U Active CN210458941U (en) | 2018-03-13 | 2019-03-13 | High-performance steel bridge deck structure |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810203628.XA Pending CN108193597A (en) | 2018-03-13 | 2018-03-13 | A kind of high-performance steel bridge floor structure |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610310B (en) * | 2018-12-12 | 2023-07-25 | 湖南大学 | Profile steel-UHPC combined bridge deck structure suitable for cantilever state and construction method thereof |
| CN109826067A (en) * | 2019-02-22 | 2019-05-31 | 无锡市政设计研究院有限公司 | A kind of New Asphalt Pavement Structures and construction method |
| CN111663440A (en) * | 2019-03-06 | 2020-09-15 | 郝苏 | Board base structure composite material for bearing surfaces of bridges and other large structures |
| CN109853382B (en) * | 2019-03-22 | 2024-01-16 | 中铁大桥科学研究院有限公司 | Bridge deck panel assembly unit and bridge deck structure applying same |
| CN110396919B (en) * | 2019-07-27 | 2021-02-09 | 蓝海绿业生态建设股份有限公司 | Assembled steel structure-concrete combined bridge and construction method thereof |
| CN116732859A (en) * | 2021-02-05 | 2023-09-12 | 成都蜂装钢构集团有限公司 | Assembled elevated road and bridge mounting structure |
| CN114960435B (en) * | 2022-05-20 | 2024-05-24 | 苏交科集团股份有限公司 | Orthotropic steel bridge deck fatigue crack suppression device and use method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4865486A (en) * | 1988-02-09 | 1989-09-12 | Bettigole Neal H | Method of assembling a steel grid and concrete deck |
| KR100675400B1 (en) * | 2005-09-14 | 2007-01-30 | 대원과학대학 산학협력단 | Compound frp reinforced panel and method for constructing the bottom slab using the panel |
| KR20100007062A (en) * | 2008-07-11 | 2010-01-22 | (주)지승컨설턴트 | Form for steel-concrete composite slab of bridge |
| CN102979037A (en) * | 2012-12-31 | 2013-03-20 | 长安大学 | Steel deck composite pavement structure laying grid type shear connectors |
| CN205347988U (en) * | 2016-01-04 | 2016-06-29 | 湖南工业大学 | Assembled of taking grille -type to connect makes up bridge deck structure |
| CN205529906U (en) * | 2016-04-08 | 2016-08-31 | 同济大学 | Take semi -closed trough perforated plate's quadrature opposite sex combination bridge panel |
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2018
- 2018-03-13 CN CN201810203628.XA patent/CN108193597A/en active Pending
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- 2019-03-13 CN CN201920315252.1U patent/CN210458941U/en active Active
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| CN108193597A (en) | 2018-06-22 |
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