CN111305065A - Assembled bridge protection plate structure system and construction method thereof - Google Patents
Assembled bridge protection plate structure system and construction method thereof Download PDFInfo
- Publication number
- CN111305065A CN111305065A CN202010248266.3A CN202010248266A CN111305065A CN 111305065 A CN111305065 A CN 111305065A CN 202010248266 A CN202010248266 A CN 202010248266A CN 111305065 A CN111305065 A CN 111305065A
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- panel
- tenon
- hole
- box girder
- bridge deck
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract 4
- 239000012528 membrane Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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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
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- 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
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to an assembled bridge guard plate structure system and a construction method thereof. The novel protective plate has the advantages of simple and clear structural form, reasonable stress and strong universality, fully utilizes the characteristics of factory processing, quick assembly, disassembly and replacement and the like, skillfully utilizes the advantages of the concave-convex tenon-and-mortise structure, effectively improves the integrity and relative tightness of the protective plate, and improves the use effect in the operation period; the structure has strong operability, can realize industrial operation, can be disassembled and replaced, has higher economic benefit and social benefit, and has wide application value in the field of bridge engineering.
Description
Technical Field
The invention belongs to the technical field of bridge engineering, and particularly relates to an assembled bridge guard plate structure system and a construction method thereof.
Background
With the continuous improvement of construction technology, construction level and construction requirements, more and more new processes and new construction methods are applied to the construction of bridge engineering, so that the bridge construction level in China is leaping to the advanced world ranks. Although remarkable results are obtained in the construction of various bridges, China has broad breadth, the economic development level is uneven, the overall level is not high in economy, and diversification and standardization are emphasized to improve the construction level and quality.
The bridge attachment has the characteristics of wide range, small quantity and many points, the construction period is often prolonged, and especially in the implementation process of bridge protection plates, certain potential safety hazards exist, and the use effect in the operation period is even influenced. Therefore, a fast assembling type bridge protection plate structure system is sought, so that the difficulties and the design defects in the traditional construction are overcome, the construction difficulty and risks are reduced, the cost is saved, and the construction period is shortened.
Disclosure of Invention
The invention aims to provide an assembled bridge guard plate structure system and a construction method thereof, which can effectively improve the integrity and relative tightness of guard plates, reduce noise generated during operation, reduce construction difficulty and risk, save cost and shorten construction period.
The technical scheme adopted by the invention is as follows:
pin-connected panel bridge protection plate structure system, its characterized in that:
the system comprises a box girder and a guard plate, wherein the guard plate is vertically and longitudinally arranged above the flange end parts on two sides of the box girder, and the bottom end of the guard plate is inserted into the flange plates of the box girder and is fixedly assembled through bolts.
The guard board comprises a plurality of panels which are sequentially connected in the longitudinal direction, the front end face and the rear end face of each panel are respectively provided with a strip-shaped tenon and a strip-shaped tenon, and when adjacent panels are in butt joint, the corresponding tenons are inserted into the tenons and are connected with each other.
The vertical through length of the tenon and the mortise at the two ends of the panel is arranged.
The panel bottom is provided with the convex tenon downwards, and case roof beam flange board corresponds the position and is provided with corresponding mortise, and the mortise of case roof beam flange board is inserted to the tenon of panel, connects each other.
The tenon hole inboard of case roof beam flange board is provided with the hand hole, is provided with curved through-hole from the hand hole to the tenon hole and then to case roof beam edge of a wing terminal surface, for the bridge floor bolt hole, is provided with the backplate bolt hole that corresponds on the tenon of panel.
The bolt is arc-shaped, is inserted into the bridge deck bolt hole from the end face of the box girder flange and penetrates through the guard plate bolt hole of the panel, and the tail part extends out of the hand hole.
The tail part of the bolt is fixed in the hand hole through a nut.
And a transverse through hole is arranged on the panel close to the top and is used as a hoisting hole of the panel.
The box girder is a cast-in-place or prefabricated component, and the panels are prefabricated components;
the box girder and the panel are of reinforced concrete structure or steel structure.
The construction method of the assembled bridge protection plate structure system is characterized by comprising the following steps of:
the method comprises the following steps:
the method comprises the following steps: processing a box beam:
processing the box girder in a factory or on site according to actual conditions, and accurately positioning and reserving a tenon hole, a hand hole and a bridge deck bolt hole;
step two: factory blanking, manufacturing a guard plate tire mold:
blanking according to the actual size in a factory, and accurately manufacturing a tire membrane processed by the guard plate;
step three: processing a guard plate:
precisely determining the sizes of the panel, the tenon, the mortise and the tenon by combining the tire membrane, reserving a guard plate bolt hole and a hoisting hole, processing a single panel for molding, and storing and maintaining;
step four: and (3) transporting to a site, installing and forming a single panel:
transporting a single panel meeting the requirements from a factory to an assembly site, hoisting the single panel to a position above a box girder by using a hoisting hole, inserting a tenon into the tenon hole, penetrating a bolt from the outer side of the box girder, screwing a nut, and fixing the panel to the box girder;
step five: integrally assembling and forming a guard plate:
repeating the step four, continuously installing the panels, and enabling the tenons and the tenons of the panels to be meshed with tenons and tenons of adjacent panels, so as to ensure the integrity of assembling and molding;
step six: hole sealing treatment:
after the guard plates are assembled, the hand holes are plugged by fine aggregate concrete or mortar, and the bridge deck is ensured to be smooth.
The invention has the following advantages:
the invention is used for the design and construction of bridge guard plates for highway, railway and rail traffic. The structure has the advantages of simple and clear structure, reasonable stress and strong universality, fully utilizes the characteristics of factory processing, quick assembly, disassembly and replacement and the like, skillfully utilizes the advantages of the concave-convex tenon-and-mortise structure, effectively improves the integrity and relative tightness of the guard plate, and improves the use effect in the operation period; the integral rigidity of the protection plate structure system is changed by adjusting the materials and the geometric dimensions of the panel, the tenon and the tenon, so that various purposes are met; and the shape of the guard plate can be adjusted at will according to landscape requirements, such as outward bending and inward bending, outward bending and the like. Meanwhile, the structure has strong operability, can realize industrial operation, can be disassembled and replaced, has higher economic benefit and social benefit, and has wide application value in the field of bridge engineering.
Drawings
Fig. 1 is a diagram illustrating the overall effect of the present invention.
FIG. 2 is a perspective view of the shield.
FIG. 3 is a drawing showing a bridge deck.
Fig. 4 is a connection overview.
In the figure, 1-panel, 2-mortise, 3-tenon, 4-tenon, 5-guard plate bolt hole, 6-tenon hole, 7-hand hole, 8-bridge deck bolt hole, 9-hoisting hole, 10-bolt, 11-nut, 12-box girder and 13-guard plate.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
The invention relates to an assembled bridge guard plate structure system, which comprises a box girder 12 and guard plates 13, wherein the guard plates 13 are vertically and longitudinally arranged above flange end parts on two sides of the box girder 12, and the bottom ends of the guard plates 13 are inserted into flange plates of the box girder 12 and fixedly assembled through bolts 10.
The guard board 13 comprises a plurality of panels 1 which are sequentially connected in the longitudinal direction, strip-shaped tenons 2 and strip-shaped tenons 3 are respectively arranged on the front end face and the rear end face of the panel 1 in the longitudinal direction, and the positions of the tenons correspond to each other, and the sizes and the shapes of the tenons are matched. When the adjacent panels 1 are butted, the corresponding tenons 3 are inserted into the tenons 2 to be connected with each other. The vertical through-length setting of the tenon 2 and the tenon 3 at panel 1 both ends.
The bottom of the panel 1 is provided with a tenon 4 protruding downwards, the corresponding position of the flange plate of the box girder 12 is provided with a corresponding tenon hole 6, the size, the shape and the relative position relation of the tenon hole 6 are matched with the tenon 4, and the tenon 4 of the panel 1 is inserted into the tenon hole 6 of the flange plate of the box girder 12 and connected with each other.
The inboard of mortise 6 of box girder 12 flange board is provided with hand hole 7, is the wedge, is provided with curved through-hole from hand hole 7 to mortise 6 to box girder 12 flange terminal surface again, for bridge floor bolt hole 8, is provided with corresponding backplate bolt hole 5 on the tenon 4 of panel 1. The bolts 10 are arc-shaped, are inserted into the bridge deck bolt holes 8 from the flange end faces of the box girders 12, penetrate through the guard plate bolt holes 5 of the panel 1, and extend out of the hand holes 7 from the tail parts. The head of the bolt 11 is closely attached to the flange outer side structural surface of the box girder 12. The tail of the bolt 10 is fixed in the hand hole 7 through the nut 11, and the hand hole 7 meets the space required by tightening the nut 11.
A transverse through hole is arranged on the panel 1 close to the top and serves as a hoisting hole 9 of the panel 1, and a certain distance is reserved between the panel 1 and the edge.
The box girder 12 and the panel 1 are both prefabricated members and are of reinforced concrete structures or steel structures.
In the structure:
the height of the panel 1 is 0.8-2.0 m, and the length of the single panel is 1.0-3.0 m;
the thickness of the panel 1 is 150-300 mm;
the tenon 2 and the tenon 3 are arranged in a through length mode, the height of the tenon 3 is matched with the depth of the tenon 2, and the width and the depth are generally 10-50 mm;
the sizes of the tenon bolt hole 5 and the bridge deck bolt hole 8 are consistent with those of the bolt 10;
the bolt 10 is matched with the nut 11, and is generally M30-M45;
the diameter of the hoisting hole 9 is 50-80 mm, and the distance from the top of the panel 1 is generally 100-300 mm.
The size of the invention is based on the structural style and space size of the bridge structure, and the rigidity of the components is enough to resist the wind and snow load, the fatigue load and the stress change caused by the environment and temperature change.
The spliced bridge protection plate structure system is positioned above the outer edge of a bridge deck and is formed by longitudinally splicing a plurality of protection plates, each protection plate is connected with a bridge into a whole through a bolt, and a hand hole is formed to facilitate disassembly and replacement in an operation period; both sides of the guard plates are provided with tenons and tenons, and adjacent guard plates are mutually anchored through the tenons and the tenons. Meanwhile, the overall rigidity of the guard plate structure system is changed by adjusting the materials and the geometric dimensions of the panel, the tenon and the tenon, and the shape of the guard plate can be adjusted at will according to landscape requirements, so that various purposes are met.
The invention can effectively improve the integrity and relative tightness of the guard plate, reduce noise generated during operation, reduce construction difficulty and risk, save cost and shorten construction period. After the invention is applied, with the differences of bridge structure type, space size, function and landscape requirements and surrounding environment adopted in specific engineering, the relevant structure parameters can be higher or lower, longer or shorter, stronger or weaker, or more or less according to the actual engineering requirements, such as: the model, material and size of panel, mortise, tenon, backplate bolt hole, mortise hole, hand hole, bridge floor bolt hole, hoisting hole etc. the specification model, quantity, interval, length etc. of bolt, nut.
The construction method of the spliced bridge protection plate structure system comprises the following steps:
the method comprises the following steps: processing the box girder 12:
in a factory or on site, processing the box girder 12 according to actual conditions, and accurately positioning and reserving the tenon hole 6, the hand hole 7 and the bridge deck bolt hole 8;
step two: blanking in a factory, manufacturing a guard plate 13 tire membrane:
blanking according to the actual size in a factory, and accurately manufacturing a tire membrane processed by the guard plate 13;
step three: processing the guard plate 13:
precisely determining the sizes of the panel 1, the tenon 2, the tenon 3 and the tenon 4 by combining the tire membranes, reserving a guard plate bolt hole 5 and a hoisting hole 9, processing a single panel 1 for molding, and storing and maintaining;
step four: and (3) transporting to a site, installing and forming a single panel 1:
transporting a single panel 1 meeting the requirements from a factory to an assembly site, hoisting the single panel 1 to a position above a box girder 12 by using a hoisting hole 9, inserting a tenon 4 into a tenon hole 6, penetrating a bolt 10 from the outer side of the box girder 12, screwing a nut 11, and fixing the panel 1 on the box girder 12;
step five: the guard plate 13 is integrally assembled and formed:
repeating the step four, continuously installing the panels 1, and enabling the tenons 2 and the tenons 3 to be meshed with the tenons 3 and the tenons 2 of the adjacent panels 1, so as to ensure the integrity of assembling and molding;
step six: hole sealing treatment:
after the guard plates 13 are assembled, the hand holes 7 are plugged by fine aggregate concrete or mortar, and the bridge deck is ensured to be smooth.
The invention is used for the design and construction of bridge guard plates for highway, railway and rail traffic. The guard plate structure system is positioned above the outer edge of the bridge deck and formed by longitudinally assembling a plurality of guard plates, each guard plate is connected with the bridge into a whole through a bolt, and a hand hole is formed to facilitate disassembly and replacement in the operation period; both sides of the guard plates are provided with tenons and tenons, and adjacent guard plates are mutually anchored through the tenons and the tenons. Meanwhile, the overall rigidity of the guard plate structure system is changed by adjusting the materials and the geometric dimensions of the panel, the tenon and the tenon, and the shape of the guard plate can be adjusted at will according to landscape requirements, so that various purposes are met.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (10)
1. Pin-connected panel bridge protection plate structure system, its characterized in that:
the system comprises a box girder (12) and guard plates (13), wherein the guard plates (13) are erected and longitudinally arranged above the flange end parts on two sides of the box girder (12), and the bottom ends of the guard plates (13) are inserted into flange plates of the box girder (12) and fixedly assembled through bolts (10).
2. The pin-connected panel bridge deck structure system of claim 1, wherein:
the protective plate (13) comprises a plurality of panels (1) which are sequentially connected in the longitudinal direction, strip-shaped tenons (2) and strip-shaped tenons (3) are respectively arranged on the front end face and the rear end face of each panel (1), and when the adjacent panels (1) are connected in a butt joint mode, the corresponding tenons (3) are inserted into the tenons (2) and are connected with each other.
3. The pin-connected panel bridge deck structure system of claim 2, wherein:
the vertical through length of the tenon (3) and the mortise (2) at the two ends of the panel (1) is arranged.
4. The pin-connected panel bridge deck structure system of claim 3, wherein:
the bottom of the panel (1) is provided with a tenon (4) protruding downwards, corresponding tenon holes (6) are formed in corresponding positions of the flange plates of the box girder (12), and the tenon (4) of the panel (1) is inserted into the tenon holes (6) of the flange plates of the box girder (12) and connected with each other.
5. The pin-connected panel bridge deck structure system of claim 4, wherein:
the inner side of a tenon hole (6) of a flange plate of the box girder (12) is provided with a hand hole (7), an arc-shaped through hole is formed from the hand hole (7) to the tenon hole (6) and then to the flange end face of the box girder (12), and the corresponding guard plate bolt hole (5) is formed in a tenon (4) of the panel (1) and is a bridge deck bolt hole (8).
6. The pin-connected panel bridge deck structure system of claim 5, wherein:
the bolts (10) are arc-shaped, are inserted into the bridge deck bolt holes (8) from the end faces of the flanges of the box girders (12), penetrate through the guard plate bolt holes (5) of the panel (1), and extend out of the tail parts of the bolt holes (7).
7. The pin-connected panel bridge deck structure system of claim 6, wherein:
the tail part of the bolt (10) is fixed in the hand hole (7) through a nut (11).
8. The pin-connected panel bridge deck structure system of claim 7, wherein:
a transverse through hole is arranged on the panel (1) close to the top and serves as a hoisting hole (9) of the panel (1).
9. The pin-connected panel bridge deck structure system of claim 8, wherein:
the box girder (12) is a cast-in-place or prefabricated component, and the panels (1) are all prefabricated components;
the box girder (12) and the panel (1) are of a reinforced concrete structure or a steel structure.
10. The construction method of the assembled bridge protection plate structure system is characterized by comprising the following steps of:
the method comprises the following steps:
the method comprises the following steps: processing the box girder (12):
in a factory or on site, processing the box girder (12) according to actual conditions, and accurately positioning and reserving the tenon hole (6), the hand hole (7) and the bridge deck bolt hole (8);
step two: blanking in a factory, manufacturing a protective plate (13) tire membrane:
blanking according to the actual size in a factory, and accurately manufacturing a tire membrane processed by the guard plate (13);
step three: processing the guard plate (13):
precisely determining the sizes of the panel (1), the tenon (2), the tenon (3) and the tenon (4) by combining the tire membranes, reserving a guard plate bolt hole (5) and a hoisting hole (9), processing a single panel (1) for molding, and storing and maintaining;
step four: and (3) transporting to a site, installing and forming a single panel (1):
transporting a single panel (1) meeting requirements from a factory to an assembly site, hoisting the single panel (1) to a position above a box girder (12) by using a hoisting hole (9), inserting a tenon (4) into a tenon hole (6), penetrating a bolt (10) from the outer side of the box girder (12), screwing a nut (11), and fixing the panel (1) on the box girder (12);
step five: the guard board (13) is integrally assembled and formed:
repeating the step four, continuously installing the panels (1), and enabling the tenons (2) and the tenons (3) to be meshed with the tenons (3) and the tenons (2) of the adjacent panels (1) to ensure the integrity of assembling and forming;
step six: hole sealing treatment:
after the guard plates (13) are assembled, the hand holes (7) are plugged by fine aggregate concrete or mortar, so that the bridge deck is ensured to be flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010248266.3A CN111305065A (en) | 2020-04-01 | 2020-04-01 | Assembled bridge protection plate structure system and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010248266.3A CN111305065A (en) | 2020-04-01 | 2020-04-01 | Assembled bridge protection plate structure system and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111305065A true CN111305065A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010248266.3A Pending CN111305065A (en) | 2020-04-01 | 2020-04-01 | Assembled bridge protection plate structure system and construction method thereof |
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| Country | Link |
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| CN (1) | CN111305065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945547A (en) * | 2020-07-29 | 2020-11-17 | 河海大学 | Mortar tenon interlink anti-seismic connecting structure used between box girder-shaped bridge plates and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6375079B1 (en) * | 2018-05-15 | 2018-08-15 | 新日鉄住金エンジニアリング株式会社 | Joint structure of precast composite floor slab perpendicular to the bridge axis and its construction method |
| JP6425848B1 (en) * | 2018-05-15 | 2018-11-21 | 株式会社横河住金ブリッジ | Bridge replacement method |
| CN110593911A (en) * | 2019-10-08 | 2019-12-20 | 中铁第一勘察设计院集团有限公司 | Self-anchored shield tunnel reinforcing system without support rod pieces and construction method thereof |
| CN212000627U (en) * | 2020-04-01 | 2020-11-24 | 中铁第一勘察设计院集团有限公司 | Assembled bridge guard plate structural system |
-
2020
- 2020-04-01 CN CN202010248266.3A patent/CN111305065A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6375079B1 (en) * | 2018-05-15 | 2018-08-15 | 新日鉄住金エンジニアリング株式会社 | Joint structure of precast composite floor slab perpendicular to the bridge axis and its construction method |
| JP6425848B1 (en) * | 2018-05-15 | 2018-11-21 | 株式会社横河住金ブリッジ | Bridge replacement method |
| CN110593911A (en) * | 2019-10-08 | 2019-12-20 | 中铁第一勘察设计院集团有限公司 | Self-anchored shield tunnel reinforcing system without support rod pieces and construction method thereof |
| CN212000627U (en) * | 2020-04-01 | 2020-11-24 | 中铁第一勘察设计院集团有限公司 | Assembled bridge guard plate structural system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945547A (en) * | 2020-07-29 | 2020-11-17 | 河海大学 | Mortar tenon interlink anti-seismic connecting structure used between box girder-shaped bridge plates and control method |
| CN111945547B (en) * | 2020-07-29 | 2021-12-14 | 河海大学 | Mortar tenon interlink anti-seismic connecting structure used between box girder-shaped bridge plates and control method |
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