CN211420834U - Reinforced connecting unit of large-span pier stud and bridge floor - Google Patents
Reinforced connecting unit of large-span pier stud and bridge floor Download PDFInfo
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- CN211420834U CN211420834U CN201921676072.2U CN201921676072U CN211420834U CN 211420834 U CN211420834 U CN 211420834U CN 201921676072 U CN201921676072 U CN 201921676072U CN 211420834 U CN211420834 U CN 211420834U
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- pier stud
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Abstract
The utility model discloses a reinforced connecting unit of a large-span pier stud and a bridge floor, which comprises a prefabricated pier stud and a square pier stud, wherein the bridge floor and the pier stud of the utility model are of a reinforced concrete structure, the cross section shapes of the prefabricated pier stud and the bridge floor are matched, and when the prefabricated pier stud and the bridge floor are connected, a screw thread short rib is used for connecting an internal steel plate between the bridge floor and the pier stud, so that the strength and the stability of a node are improved; the bridge floor lower part between two strides uses the steel pipe concrete truss to consolidate and handles, the steel pipe concrete truss arranges between two pier stud, and weld treatment in outside steel pipe position, the slant is to both sides welding truss pole, truss pole other end welded connection steel sheet, and the steel sheet is arranged respectively on two rectangle ribs of two T type bridge floors, play the supporting role, bearing structure evenly arranges between spaning, because the steel pipe truss improves the holistic intensity of bridge and stability with triangle-shaped stable mechanical properties by a wide margin, adapt to the development in bridge construction technical field.
Description
Technical Field
The utility model relates to a bridge especially relates to a reinforcement type linkage unit of large-span pier stud and bridge floor.
Background
A bridge is a building built for a road to cross natural or artificial barriers, on a highway or a railway traffic line, the bridge is often the bottleneck for restraining traffic load and limiting the passing of overweight vehicles, for example, in the fields of chemical industry, petroleum, electric power, metallurgy, buildings and the like, the transportation of large-scale equipment or components is often limited because the transportation exceeds the design load of the bridge, although some equipment and components can be transported in batches in a dismounting mode, the whole equipment or components cannot be dismounted under the condition that the equipment or the components are integral, so the bearing capacity of the bridge is exceeded, the transportation of the integral equipment and components is difficult, and the foundation is difficult to expand in a large range due to the limitation of the road or the building around the foundation, and the bearing capacity of the integral equipment and components is difficult to greatly improve.
However, the rectangular steel pipe truss made of partially Filled Concrete (PCF for short) is a novel structure composed of rectangular steel pipes and rectangular steel pipe Concrete, the main pipe of the truss is a steel pipe or a steel pipe Concrete member, the branch pipes are rectangular steel pipe members, and the branch pipes and the main pipe are directly connected in a penetrating manner by adopting welding seams, so that the truss is a novel large-span and heavy-load structural form and has a good application prospect in bridge engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reinforcement type linkage unit of large-span pier stud and bridge floor, be on the basis that the pier stud supported the bridge floor, newly-increased steel pipe concrete truss further reinforces the upper portion bridge floor, because steel pipe truss's performance can both increase substantially to the intensity of structure, stability, durability and outward appearance, adapts to the development in bridge construction field.
In order to solve the problems existing in the prior art, the utility model discloses a technical scheme as follows:
the reinforced connecting unit of the large-span pier stud and the bridge floor comprises two prefabricated pier studs and a double-T-shaped bridge floor, wherein each prefabricated pier stud consists of a square pier stud positioned below and a trapezoidal supporting part positioned above, two rectangular grooves are symmetrically arranged on the trapezoidal supporting part, and built-in steel plates of the pier studs are embedded in the two ends of the trapezoidal supporting part; the cross section of the double-T-shaped bridge surface is double-T-shaped, two rectangular ribs are arranged at the bottom of the double-T-shaped bridge surface, the rectangular ribs correspond to the rectangular grooves in the prefabricated bridge pier columns in size, and bridge surface built-in steel plates are arranged at two ends of the double-T-shaped bridge surface; the double-T-shaped bridge deck is lapped at the middle position of two adjacent prefabricated bridge pier columns, rectangular grooves on the prefabricated bridge pier columns are in fit connection with rectangular ribs on the double-T-shaped bridge deck, bridge column built-in steel plates on the prefabricated bridge pier columns correspond to bridge deck built-in steel plates on the double-T-shaped bridge deck in position, reserved short rib openings are arranged above the steel plates, and threaded connection short ribs (11) are arranged in the reserved short rib openings to connect the bridge column built-in steel plates on the prefabricated bridge pier columns and the bridge deck built-in steel plates on the double-T-shaped bridge deck into a whole; a circular opening is reserved in the center of a square bridge column and a trapezoidal supporting part on a prefabricated bridge pier column, the size of the circular opening is consistent with the circular section of a concrete filled steel tube reinforcing part, the concrete filled steel tube reinforcing part is arranged between adjacent prefabricated bridge pier columns to serve as a reinforcing supporting rod, steel plate butt-joint grooves are evenly arranged at the bottoms of rectangular ribs on a double-T-shaped bridge face, the size of the steel plate butt-joint grooves corresponds to a rectangular connecting steel plate, the rectangular connecting steel plate is arranged in the steel plate butt-joint grooves, oblique truss rods are obliquely arranged between the rectangular connecting steel plate and the concrete filled steel tube reinforcing part, the upper ends of the oblique truss rods are welded on the rectangular connecting steel plate, and the lower ends of the oblique truss rods are welded on.
Further, the concrete filled steel tube reinforcing members are filled with concrete in the steel tubes, and welding treatment is carried out on the outer steel tubes between the adjacent concrete filled steel tube reinforcing members.
Furthermore, mortar is used for leveling after the reserved short rib openings arranged on the upper surface of the double-T-shaped bridge deck are connected.
Furthermore, the bridge pillar built-in steel plates on the prefabricated bridge pier columns are simultaneously connected with the bridge deck built-in steel plates on the left and right double-T-shaped bridge decks.
The utility model has the advantages and beneficial effects that:
the utility model discloses large-span pier stud and reinforcement type linkage unit of bridge floor include two prefabricated pier studs and a two T type bridge faces, two T type bridge face overlap joint are in two prefabricated pier stud intermediate positions in the lower part, prefabricated pier stud and two T type bridge face inside equipartitions have put built-in steel sheet, the bridge floor is the steel-concrete structure with the pier stud, cross sectional shape agrees with between the two and uses the screw thread short muscle to be connected the built-in steel sheet between bridge floor and the pier stud when connecting, improve the intensity and the stability of node, improve the stability of bridge structure. The bridge floor lower part between two strides uses the steel pipe concrete truss to consolidate and handles, the steel pipe concrete truss arranges between two pier stud, and weld treatment in outside steel pipe position, the slant is to both sides welding truss pole, truss pole other end welded connection steel sheet, and the steel sheet is arranged respectively on two rectangle ribs of two T type bridge floors, play the supporting role, bearing structure evenly arranges between spaning, because the steel pipe truss improves the holistic intensity of bridge and stability with triangle-shaped stable mechanical properties by a wide margin, adapt to the development in bridge construction technical field.
Drawings
The present invention will be described in detail with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the reinforced connecting unit of the large-span pier stud and the bridge floor of the present invention;
FIG. 2 is a side view of the section A-A in FIG. 1, namely the connection between the prefabricated pier stud and the double-T-shaped bridge deck;
FIG. 3 is a side view of the prefabricated pier stud and the double T-shaped bridge deck;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 5 is a top view of a double T deck;
FIG. 6 is a front view of the connection between a prefabricated pier stud and a double-T-shaped bridge surface node;
FIG. 7 is a side view of the connection between prefabricated pier stud and a node of a double-T-shaped bridge deck;
fig. 8 is a schematic structural arrangement diagram of the oblique truss rods and the rectangular connecting steel plate.
In the figure: the prefabricated bridge pier comprises a prefabricated bridge pier column 1, square bridge columns 1-1, trapezoidal supporting parts 1-2, rectangular grooves 1-3, double-T-shaped bridge decks 2-1, rectangular ribs 2-1, built-in steel plates 3 for the bridge columns, circular holes 4, built-in steel plates 5 for the bridge decks, concrete-filled steel tubes 6, oblique truss rods 7, rectangular connecting steel plates 8, butt-joint grooves 9 for the steel plates, self-tapping and self-drilling screws 10, threaded connecting short ribs 11 and reserved short rib holes 12.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
As shown in fig. 1, the utility model discloses large-span pier stud and bridge floor's reinforcement type linkage unit, including two prefabricated pier studs 1 and a two T type bridge floors 2, prefabricated pier stud 1, two T type bridge floors 2 are prefabricated steel reinforced concrete structure. As shown in fig. 2-7, the prefabricated pier stud 1 consists of a square pier stud 1-1 positioned below and a ladder-shaped support part 1-2 positioned above, two rectangular grooves 1-3 are symmetrically arranged on the ladder-shaped support part 1-2, and a pier built-in steel plate 3 is embedded in two ends of the ladder-shaped support part 1-2; the cross section of the double-T-shaped bridge deck 2 is double-T-shaped, two rectangular ribs 2-1 are arranged at the bottom of the double-T-shaped bridge deck 2, the rectangular ribs 2-1 correspond to rectangular grooves 1-3 on the prefabricated bridge pier stud 1 in size, and bridge deck built-in steel plates 5 are arranged at two ends of the double-T-shaped bridge deck 2; the double-T-shaped bridge surfaces 2 are lapped at the middle positions of two adjacent prefabricated bridge pier columns 1, rectangular grooves 1-3 on the prefabricated bridge pier columns 1 are matched and connected with rectangular ribs 2-1 on the double-T-shaped bridge surfaces 2, bridge post built-in steel plates 3 on the prefabricated bridge pier columns 1 correspond to bridge deck built-in steel plates 5 on the double-T-shaped bridge surfaces 2 in position, reserved short rib openings 12 are arranged above the steel plates, and threaded connecting short ribs 11 are arranged in the reserved short rib openings 12 to connect the bridge post built-in steel plates 3 on the prefabricated bridge pier columns 1 and the bridge deck built-in steel plates 5 on the double-T-shaped bridge surfaces 2 into a whole; a round hole 4 is reserved in the centers of a square bridge pillar 1-1 and a trapezoid supporting part 1-2 on the prefabricated bridge pier stud 1, the size of the round hole is consistent with the cross section of a concrete filled steel tube reinforcing part 6 in a round mode, and the concrete filled steel tube reinforcing part 6 is arranged between the adjacent prefabricated bridge pier studs 1 to serve as a reinforcing supporting rod. As shown in fig. 5 and 8, steel plate butt-joint grooves 9 are uniformly arranged at the bottoms of the rectangular ribs 2-1 on the double-T-shaped bridge deck 2, the size of each steel plate butt-joint groove 9 corresponds to that of a rectangular connecting steel plate 8, the rectangular connecting steel plates 8 are arranged at the bottoms of the rectangular ribs 2-1 in the steel plate butt-joint grooves 9, self-tapping self-drilling screws 10 are used for nailing the rectangular ribs 8-1, oblique truss rods 7 are obliquely arranged between the rectangular connecting steel plates 8 and the concrete-filled steel tube reinforcements 6, the upper ends of the oblique truss rods 7 are welded on the rectangular connecting steel plates 8, and the lower ends of the oblique truss rods are welded on the.
Concrete filled steel tube reinforcement 6 fills the concrete in for the steel pipe, saves steel when having strengthened the resistance to compression shearing performance of structure, carries out welding treatment in outside steel pipe department between the adjacent concrete filled steel tube reinforcement 6.
And after the reserved short rib openings 12 arranged on the upper surface of the double-T-shaped bridge deck 2 are connected, mortar is used for leveling.
The bridge floor built-in steel plates 5 on the left and right double-T bridge floor 2 are connected to the bridge column built-in steel plates 3 on the prefabricated bridge pier column 1 simultaneously, the double-T bridge floor 2 on the two sides are further fixed in position, and overall stability is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The reinforced connecting unit of large-span pier stud and bridge floor, its characterized in that: the bridge pier comprises two prefabricated bridge pier columns (1) and a double-T-shaped bridge deck (2), wherein the prefabricated bridge pier columns (1) consist of square bridge columns (1-1) positioned below and ladder-shaped supporting parts (1-2) positioned above, two rectangular grooves (1-3) are symmetrically arranged on the ladder-shaped supporting parts (1-2), and bridge pier built-in steel plates (3) are pre-embedded in the two ends of each ladder-shaped supporting part (1-2); the cross section of the double-T-shaped bridge deck (2) is double-T-shaped, two rectangular ribs (2-1) are arranged at the bottom of the double-T-shaped bridge deck, the rectangular ribs (2-1) correspond to rectangular grooves (1-3) on the prefabricated pier columns (1) in size, and bridge deck built-in steel plates (5) are arranged at two ends of the double-T-shaped bridge deck (2); the double-T-shaped bridge deck (2) is lapped at the middle position of two adjacent prefabricated bridge pier columns (1), rectangular grooves (1-3) on the prefabricated bridge pier columns (1) are in fit connection with rectangular ribs (2-1) on the double-T-shaped bridge deck (2), bridge pier built-in steel plates (3) on the prefabricated bridge pier columns (1) correspond to bridge deck built-in steel plates (5) on the double-T-shaped bridge deck (2), reserved short rib openings (12) are arranged above the steel plates, and threaded connecting short ribs (11) are arranged in the reserved short rib openings (12) to connect the bridge pier built-in steel plates (3) on the prefabricated bridge pier columns (1) and the bridge deck built-in steel plates (5) on the double-T-shaped bridge deck (2) into a whole; a round hole (4) is reserved in the centers of a square bridge column (1-1) and a trapezoid supporting component (1-2) on the prefabricated bridge pier column (1), the size of the hole is consistent with the cross section of a concrete filled steel tube reinforcing member (6) in a round mode, the concrete filled steel tube reinforcing member (6) is arranged between the adjacent prefabricated bridge pier columns (1) to form a reinforcing supporting rod, steel plate butt-joint grooves (9) are uniformly arranged at the bottoms of rectangular ribs (2-1) on the double-T-shaped bridge floor (2), the size of the steel plate butt-joint grooves corresponds to that of rectangular connecting steel plates (8), the rectangular connecting steel plates (8) are arranged in the steel plate butt-joint grooves (9), oblique truss rods (7) are obliquely arranged between the rectangular connecting steel plates (8) and the concrete filled steel tube reinforcing member (6), the upper ends of the oblique truss rods (7) are welded on the rectangular connecting steel plates (8), and the lower ends of the oblique, and forming a reinforced structure.
2. The reinforced connection unit of the large-span pier stud and the bridge deck according to claim 1, wherein: the concrete filled steel tube reinforcing members (6) are filled with concrete in the steel tubes, and welding treatment is carried out on the outer steel tubes between the adjacent concrete filled steel tube reinforcing members (6).
3. The reinforced connection unit of the large-span pier stud and the bridge deck according to claim 1, wherein: and the reserved short rib openings (12) arranged on the upper surface of the double-T-shaped bridge deck (2) are leveled by mortar after connection is completed.
4. The reinforced connection unit of the large-span pier stud and the bridge deck according to claim 1, wherein: the bridge pier built-in steel plates (3) on the prefabricated bridge pier columns (1) are connected with the bridge deck built-in steel plates (5) on the left and right double-T-shaped bridge decks (2) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921676072.2U CN211420834U (en) | 2019-10-09 | 2019-10-09 | Reinforced connecting unit of large-span pier stud and bridge floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921676072.2U CN211420834U (en) | 2019-10-09 | 2019-10-09 | Reinforced connecting unit of large-span pier stud and bridge floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211420834U true CN211420834U (en) | 2020-09-04 |
Family
ID=72245608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921676072.2U Expired - Fee Related CN211420834U (en) | 2019-10-09 | 2019-10-09 | Reinforced connecting unit of large-span pier stud and bridge floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211420834U (en) |
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2019
- 2019-10-09 CN CN201921676072.2U patent/CN211420834U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20211009 |