CN110453598B - Joint component is assembled to prefabricated steel-concrete composite beam decking of high performance - Google Patents
Joint component is assembled to prefabricated steel-concrete composite beam decking of high performance Download PDFInfo
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- CN110453598B CN110453598B CN201910804399.1A CN201910804399A CN110453598B CN 110453598 B CN110453598 B CN 110453598B CN 201910804399 A CN201910804399 A CN 201910804399A CN 110453598 B CN110453598 B CN 110453598B
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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
- E01D19/06—Arrangement, construction or bridging of expansion joints
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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
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Abstract
The invention discloses a high-performance prefabricated steel-concrete composite beam bridge deck splicing joint component, which relates to the field of highway bridges. According to the invention, the rectangular toothed plates arranged on the first steel plate and the second steel plate in the two groups of bridge panels are mutually staggered, matched and clamped, so that the two groups of bridge panels are effectively and quickly aligned, and the two groups of bridge panels are prevented from deviating; the steel bar welding ends arranged in the two groups of connected bridge panels are arranged in a staggered mode, the steel pipes penetrate through the through holes formed by the staggered steel bar welding ends arranged in the two groups of bridge panels, and the steel bar welding ends and the outer walls of the steel pipes are welded and fixed, so that the tensile effect between the two groups of bridge panels is effectively improved, and the structural stability is enhanced.
Description
Technical Field
The invention relates to the field of highway bridges, in particular to a high-performance prefabricated steel-concrete composite beam bridge deck splicing joint component.
Background
In the bridge construction process, each beam bridge deck plate is hoisted gradually to be in place, the beam bridge deck plates are connected through reserved wet joints, the wet joints are weak parts in the transverse bridge direction, the wet joint process in the prior art mostly adopts the steps of welding and fixing the reserved reinforcing steel bars at the edges of the two adjacent beam bridge deck plates and then performing the wet joints, however, the process has high requirement on the positioning precision of the beam body, is complex in positioning, has prominent reinforcing steel bar fatigue problem under the action of automobile load, influences the engineering process, and in addition, the distance measurement and alignment evaluation of the adjacent plates are carried out by means of an external measuring tool after the beam bridge deck plates are installed in place.
Disclosure of Invention
The invention aims to provide a high-performance prefabricated steel-concrete composite beam bridge deck splicing joint component, which can improve the tensile effect between two groups of bridge decks, enhance the structural stability and realize accurate positioning of a plurality of bridge decks at equal intervals so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-performance prefabricated reinforced concrete composite beam bridge deck slab splicing joint component comprises a bridge deck slab and a steel pipe, wherein the bridge deck slab is composed of a connecting steel plate and a steel bar structure net, the connecting steel plate comprises a first steel plate and a second steel plate which are arranged in parallel, the first steel plate and the second steel plate are fixedly connected through the steel bar structure net, the steel bar structure net comprises a plurality of transverse reinforcing steel bars which are transversely arranged and a plurality of longitudinal reinforcing steel bars which are longitudinally arranged, two ends of each transverse reinforcing steel bar respectively penetrate through the outer sides of the first steel plate and the second steel plate, the parts of the transverse reinforcing steel bars which penetrate through the first steel plate and the second steel plate are bent into U-shaped reinforcing steel bar welding ends, a panel concrete layer is poured outside the steel bar structure net, lower edges of the outer side walls of the first steel plate and the second steel plate are integrally formed with a splicing plate seat, the outer sides of the splicing plate seat are integrally formed with a rectangular toothed plate, the rectangular toothed plates arranged on the first steel, one side that is equipped with the second steel sheet on the first set of bridge panel meets with one side that is equipped with first steel sheet on the second set of bridge panel, and the rectangle pinion rack that establishes on first steel sheet and the second steel sheet is dislocation fit card each other and is established, and the reinforcing bar welded end dislocation set that establishes in the two sets of bridge panels that meet passes in the through-hole that the reinforcing bar welded end dislocation of establishing along two sets of bridge panels constitutes, and the outer wall welded fastening of reinforcing bar welded end and steel pipe.
Preferably, the side surfaces of the first steel plate and the second steel plate are provided with corresponding anchoring installation grooves, a corrugated pipe is inserted between the two corresponding anchoring installation grooves of the first steel plate and the second steel plate, and a prestressed tendon is arranged inside the corrugated pipe.
Preferably, the prestressed tendon is composed of a plurality of prestressed tendons, and the outer surfaces of the prestressed tendons are coated with a lubricating and antirust material.
Preferably, the anchor mounting groove is internally provided with a circular plate-shaped anchor in a matching and clamping manner, the end part of the prestressed tendon in the prestressed tendon bundle passes through a corresponding tendon hole on the circular plate-shaped anchor, and a conical anchor plug is clamped between the prestressed tendon and the tendon hole.
Preferably, the first steel plate and the second steel plate are integrally formed with ribbed plates near the upper and lower edges of one side, and the ribbed plates are flush with the upper and lower surfaces of the first steel plate and the second steel plate.
Preferably, a wet joint concrete layer is poured between the first steel plate and the connected second steel plate, and a steel pipe filling concrete layer is poured inside the steel pipe.
The invention has the technical effects and advantages that:
1. whether the both ends of whether running through all U shaped steel muscle welding ends and steel pipe simultaneously with the help of audio-visual judgement steel pipe just in time paste tightly with the segmental arc of two reinforcing bar welding ends in the outside, can directly judge whether the bridge panel of steel pipe both sides aims at and the interval adjustment targets in place, consequently can improve the tensile effect between two sets of bridge panels in the realization, realize equidistant accurate location between a plurality of bridge panels when reinforcing structural stability.
2. According to the invention, the rectangular toothed plates arranged on the first steel plate and the second steel plate in the two groups of bridge panels are mutually staggered, matched and clamped, so that the two groups of bridge panels are effectively and quickly aligned, and the two groups of bridge panels are prevented from deviating;
3. the steel bar welding ends arranged in the two groups of connected bridge panels are arranged in a staggered mode, the steel pipes penetrate through the through holes formed by the staggered steel bar welding ends arranged in the two groups of bridge panels, and the steel bar welding ends and the outer walls of the steel pipes are welded and fixed, so that the tensile effect between the two groups of bridge panels is effectively improved, and the structural stability is enhanced;
4. in the invention, a plurality of prestressed tendons are arranged in each group of deck panels, so that the bending resistance of the bridge panels is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention prior to installation.
Fig. 2 is a schematic diagram of the structure of the present invention after installation.
FIG. 3 is a top view of the structure of the present invention.
Fig. 4 is a cross-sectional view taken at a-a in fig. 3.
In the figure: 1. connecting steel plates; 101. a first steel plate; 102. a second steel plate; 2. a steel structural mesh; (ii) a 201. Transverse reinforcing steel bars; (ii) a 202. Longitudinal reinforcing steel bars; 3. a bellows; 4. welding ends of the steel bars; 5. a panel concrete layer; 6. a steel pipe; 7. splicing plate seats; 8. a rectangular toothed plate; 9. an anchoring mounting groove; 10. pre-stressed tendons; 11. a circular plate-shaped anchor; 12. wet joint muddy soil layer; 13. filling a concrete layer in the steel pipe; 14. a rib plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 4, the invention provides a high-performance prefabricated steel-concrete composite beam bridge deck splicing joint member as shown in fig. 1-4, which comprises a bridge deck and a steel pipe 6, wherein the bridge deck is composed of a connecting steel plate 1 and a steel bar structural net 2, the connecting steel plate 1 comprises a first steel plate 101 and a second steel plate 102 which are arranged in parallel, the first steel plate 101 and the second steel plate 102 are connected and fixed by the steel bar structural net 2, the steel bar structural net 2 comprises a plurality of transverse steel bars 201 which are arranged in a transverse mode and a plurality of longitudinal steel bars 202 which are arranged in a longitudinal mode, two ends of each transverse steel bar 201 penetrate through the outer sides of the first steel plate 101 and the second steel plate 102 respectively, and the part of the transverse steel bar 201 penetrating through the first steel plate 101 and the second steel plate 102 is bent into a U-shaped steel bar welding end 4, and the transverse steel bar 201 and the longitudinal steel bar 202 are crisscrossed to form an internal steel bar bracket of the bridge panel.
As shown in fig. 4, the first steel plate 101 and the second steel plate 102 are provided with corresponding anchor mounting grooves 9 on the side surfaces thereof, a corrugated pipe 3 is inserted between the two anchor mounting grooves 9 corresponding to the first steel plate 101 and the second steel plate 102, a prestressed tendon 10 is arranged inside the corrugated pipe 3, the prestressed tendon 10 is composed of a plurality of prestressed tendons, a round plate-shaped anchor 11 is clamped inside the anchor mounting groove 9, the end of the prestressed tendon in the prestressed tendon 10 passes through the corresponding tendon hole on the round plate-shaped anchor 11, the prestressed tendon 10 is stretched by a prestressed tendon stretching device, a conical anchor plug is clamped between the prestressed tendon and the tendon hole, the two ends of the prestressed tendon are fixed, a bridge deck body is formed by pouring a concrete layer 5 on the outer surface of the steel bar structural net 2, concrete grout is poured into the corrugated pipe 3 to fix the prestressed tendon 10, the outer surface of the prestressed tendon is coated with asphalt, grease or other lubricating antirust materials are used for reducing friction and preventing corrosion, rib plates 14 are integrally formed at the upper edge and the lower edge of one side face, close to the first steel plate 101 and the second steel plate 102, of the first steel plate 101, the upper surface and the lower surface of the second steel plate 102 are flush with the rib plates 14, and rainwater is prevented from directly penetrating into the joint gaps of the panel concrete layer 5 and the first steel plate 101 and the second steel plate 102 to corrode the transverse steel bars 201.
Combine fig. 2 and fig. 3 to show, first steel sheet 101, the lateral wall lower limb integrated into one piece of second steel sheet 102 has splice plate seat 7, splice plate seat 7's outside integrated into one piece has rectangular pinion rack 8, the mutual dislocation set of rectangular pinion rack 8 that establishes on first steel sheet 101 and the second steel sheet 102, when splicing, the one side that is equipped with second steel sheet 102 on the first set of bridge panel meets with the one side that is equipped with first steel sheet 101 on the second set of bridge panel, rectangular pinion rack 8 that establishes on first steel sheet 101 and the second steel sheet 102 is the cooperation card of misplacing each other and is established, effectively counterpoint fast two sets of bridge panels, prevent to take place the skew between two sets of bridge panels.
Referring to fig. 3 and 4, the reinforcing steel bar welding ends 4 arranged in the two sets of bridge panels connected with each other are arranged in a staggered manner, the steel pipes 6 pass through holes formed by the reinforcing steel bar welding ends 4 arranged in the two sets of bridge panels in a staggered manner, the reinforcing steel bar welding ends 4 are welded and fixed with the outer walls of the steel pipes 6, the tensile effect between the two sets of bridge panels is effectively improved, the structural stability is enhanced, a wet joint mixed soil layer 12 is poured between the first steel plate 101 and the second steel plate 102 arranged in the two sets of bridge panels connected with each other, and a steel pipe filling concrete layer 13 is poured inside the steel pipes 6.
The working process of the invention is as follows: when the invention is used for joint construction, the rectangular toothed plates 8 arranged on the first steel plate 101 and the second steel plate 102 in the two groups of bridge panels are mutually staggered, matched and clamped, so that the two groups of bridge panels are effectively and quickly aligned, and the two groups of bridge panels are prevented from deviating, at the moment, the reinforcing steel bar welding ends 4 arranged in the two groups of connected bridge panels are staggered, the steel pipe 6 passes through a through hole formed by the staggered reinforcing steel bar welding ends 4 arranged in the two groups of bridge panels, and the reinforcing steel bar welding ends 4 are welded and fixed with the outer wall of the steel pipe 6, so that the tensile effect between the two groups of bridge panels is effectively improved, the structural stability is enhanced, finally, a wet joint mixed mud layer 12 is poured between the first steel plate 101 and the second steel plate 102 arranged in the two groups of connected bridge panels, a steel pipe filling concrete layer 13 is poured in the steel pipe 6 for reinforcement and protection, in the invention, a plurality of prestress reinforcing steel bundles 10 are, the bending resistance of the bridge deck is improved. In the process, whether the steel pipe penetrates through all the welding ends of the U-shaped steel bars at the same time or not and whether the two ends of the steel pipe are just attached to the arc sections of the two welding ends of the steel bars at the outermost side or not are judged visually, can directly judge whether the bridge panels on the two sides of the steel pipe are installed in place, thereby realizing the accurate positioning of the plurality of bridge panels at equal intervals while improving the tensile effect between the two sets of bridge panels and enhancing the structural stability, as the arc sections of the two welding ends of the U-shaped steel bar on the outermost side are just tightly attached to the steel pipes and the steel pipes simultaneously penetrate through all the welding ends of the U-shaped steel bar, the two bridge panels to be spliced at the moment can be determined to be aligned and positioned at the target distance, because the spacing is related to the length of the welded ends of the U-shaped steel bars and the bridge deck, the same spacing between all two adjacent bridge deck panels can be ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (2)
1. The utility model provides a seam component is assembled to prefabricated steel-concrete composite beam decking of high performance, includes bridge panel and steel pipe (6) that constitute by connecting steel sheet (1), steel bar structure net (2), its characterized in that: the connecting steel plate (1) comprises a first steel plate (101) and a second steel plate (102) which are arranged in parallel, the first steel plate (101) and the second steel plate (102) are fixedly connected through a steel bar structural net (2), the steel bar structural net (2) comprises a plurality of transverse steel bars (201) which are arranged in a transverse mode and a plurality of longitudinal steel bars (202) which are arranged in a longitudinal mode, two ends of each transverse steel bar (201) penetrate through the outer sides of the first steel plate (101) and the second steel plate (102) respectively, the parts, penetrating through the first steel plate (101) and the second steel plate (102), of the transverse steel bars (201) are bent to form a U-shaped steel bar welding end (4), a panel concrete layer (5) is poured outside the steel bar structural net (2), and a splicing plate seat (7) is integrally formed at the lower edges of the outer side walls of the first steel plate (101) and the second steel plate (102); the rectangular toothed plates (8) are integrally formed on the outer sides of the splicing plate seats (7), the rectangular toothed plates (8) arranged on the first steel plate (101) and the second steel plate (102) are arranged in a staggered mode, one side, provided with the second steel plate (102), of the first group of bridge panels is connected with one side, provided with the first steel plate (101), of the second group of bridge panels, the rectangular toothed plates (8) arranged on the first steel plate (101) and the second steel plate (102) are clamped in a staggered mode, the reinforcing steel bar welding ends (4) arranged in the two groups of connected bridge panels are arranged in a staggered mode, and the steel pipe (6) penetrates through a through hole formed by the reinforcing steel bar welding ends (4) arranged on the two groups of bridge panels in a staggered mode, the steel bar welding end (4) is fixedly welded with the outer wall of the steel pipe (6), a wet joint muddy soil layer (12) is poured between the first steel plate (101) and the connected second steel plate (102), and a steel pipe filling concrete layer (13) is poured inside the steel pipe (6); the rib plates (14) are integrally formed at the upper edges and the lower edges of the first steel plate (101) and the second steel plate (102) close to one side, and the rib plates (14) are flush with the upper surfaces and the lower surfaces of the first steel plate (101) and the second steel plate (102);
the side surfaces of the first steel plate (101) and the second steel plate (102) are provided with corresponding anchoring installation grooves (9), a corrugated pipe (3) is inserted between the two corresponding anchoring installation grooves (9) of the first steel plate (101) and the second steel plate (102), a prestressed tendon bundle (10) is arranged inside the corrugated pipe (3), the prestressed tendon bundle (10) is composed of a plurality of prestressed tendons, the outer surfaces of the prestressed tendons are coated with a lubricating and antirust material, a circular plate-shaped anchor (11) is clamped inside the anchoring installation grooves (9) in a matched mode, the end portions of the prestressed tendons in the prestressed tendon bundle (10) penetrate through corresponding tendon holes in the circular plate-shaped anchor (11), and a conical cat plug is clamped between the prestressed tendons and the tendon holes;
whether audio-visually judge that the steel pipe runs through all U shaped steel muscle weld ends simultaneously and whether the both ends of steel pipe just in time paste with the segmental arc of two reinforcing bar weld ends in the outside tightly, can directly judge whether the bridge panel of steel pipe both sides aims at and keeps the invariable interval.
2. The high-performance prefabricated steel-concrete composite beam bridge deck assembling joint component of claim 1, wherein: the first steel plate (101) and the second steel plate (102) are formed by section steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910804399.1A CN110453598B (en) | 2019-08-29 | 2019-08-29 | Joint component is assembled to prefabricated steel-concrete composite beam decking of high performance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910804399.1A CN110453598B (en) | 2019-08-29 | 2019-08-29 | Joint component is assembled to prefabricated steel-concrete composite beam decking of high performance |
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| CN110453598A CN110453598A (en) | 2019-11-15 |
| CN110453598B true CN110453598B (en) | 2021-01-26 |
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| CN111236067B (en) * | 2020-02-27 | 2021-06-11 | 东南大学 | Prefabricated assembled steel bridge deck pavement structure and implementation method thereof |
| CN112211098B (en) * | 2020-10-12 | 2022-08-16 | 安徽建筑大学 | Bolt connection device between prefabricated bridge floor boards of assembled bridge |
| CN112681129B (en) * | 2020-12-03 | 2022-10-04 | 重庆建工第九建设有限公司 | Construction joint structure |
| CN112502037B (en) * | 2020-12-23 | 2022-06-28 | 河南省交通规划设计研究院股份有限公司 | Wet seam connection structure of prefabricated decking |
| CN113463514A (en) * | 2021-07-26 | 2021-10-01 | 中国葛洲坝集团勘测设计有限公司 | Novel fabricated concrete plate structure and construction method |
| CN114109111A (en) * | 2021-11-03 | 2022-03-01 | 中国市政工程华北设计研究总院有限公司 | Assembly type pool wet joint connecting device and construction method thereof |
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