Zero block embedded part support
By designing the embedded parts bracket of the zero block and using components such as steel pipe concrete columns and brackets, the problem of complex structural stress in the construction of large zero blocks is solved, and construction with strong adaptability, reasonable stress and high safety is achieved. Effect.
Patent Information
- Application Number
- CN202420277460.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-04
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-04
AI Technical Summary
The structure of large No. 0 blocks are complicated in bridge construction, with long sections and large concrete amounts, which leads to construction difficulties and existing brackets are difficult to meet the appropriate support needs.
A zero-block embedded component bracket was designed, including steel pipe concrete columns, brackets, column heads and embedded parts, which were connected to the bridge pier through the wall support structure, and used a combination structure of steel pipe concrete columns, brackets and embedded parts to provide stability. Support is suitable for cast-in-place construction of large zero blocks.
It has achieved construction effects with strong adaptability, reasonable stress structure and high safety. It is suitable for cast-in-place construction of large zero blocks, and overcomes the difficulties of existing brackets in large zero blocks.
Smart Images
Figure CN222183096U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road and bridge construction, in particular to a zero-block embedded part bracket. Background Art
[0002] Large-span integral continuous beam bridges are generally constructed in sections, and each section is called a "block". Block 0 is the first unit of the bridge to be cast. It is located directly above the bridge piers and is the first block of the building extending from the piers to both sides. Its structure is complex, the sections are long, and the amount of concrete is large, which brings great difficulties to the construction. Commonly used floor-standing brackets include steel pipe brackets, universal rod brackets, and bowl-hook brackets. For large-scale cast-in-place construction of zero-blocks, how to set up a suitable block 0 bracket is particularly important. Utility Model Content
[0003] In view of the above problems, the utility model is proposed to provide a No. 0 block embedded part bracket that overcomes the above problems or at least partially solves the above problems. The No. 0 block embedded part bracket is suitable for cast-in-place construction of large No. 0 blocks.
[0004] The zero-block embedded part bracket includes a plurality of steel tube concrete columns whose lower ends are fixed to the pedestal or the expanded foundation, and a plurality of steel tube columns whose lower ends are fixed to the pedestal or the expanded foundation; the steel tube concrete columns are distributed around the piers, the steel tube concrete columns are connected to the piers through the buttress structure, and the steel tube columns adjacent to the piers are connected to the piers through the buttress structure; a bracket is fixed to the top of the steel tube concrete column, a column head is provided at the top of the steel tube column, and demoulding pads located on the same horizontal plane are arranged on the bracket and the column head, and cross beams and racks are sequentially erected on the demoulding pads;
[0005] The bottom of the steel tube concrete column is welded and fixed to a first embedded part embedded in the pedestal or the expanded foundation, the first embedded part includes a first anchor plate, and a plurality of first U-shaped steel bars welded and fixed to the lower surface of the first anchor plate; the first U-shaped steel bars are embedded in the pedestal or the expanded foundation, and the outer periphery of the bottom of the steel tube concrete column is also arranged with a plurality of ribs that are welded and fixed to the outer peripheral wall of the steel tube concrete column and the first anchor plate at the same time;
[0006] The bottom of the steel pipe column is welded and fixed to a second embedded part embedded in the cap or the expanded foundation, the second embedded part includes a second anchor plate, and a plurality of second U-shaped steel bars welded and fixed to the lower surface of the second anchor plate; the second U-shaped steel bars are embedded in the cap or the expanded foundation, and a plurality of ribs are arranged on the outer periphery of the bottom of the steel pipe column, which are welded and fixed to the outer peripheral wall of the steel pipe column and the second anchor plate at the same time;
[0007] The bracket includes two symmetrically arranged oblique rods and a horizontally arranged cross rod with both ends extending out of the steel tube concrete column. The upper ends of the oblique rods are welded and fixed to the cross rods, and the lower ends are welded and fixed to the steel tube concrete column.
[0008] The column head comprises a top plate, a rectangular steel pipe group in a tic-tac-toe shape is welded and fixed to the bottom of the top plate, and a groove is formed at the top edge of the steel pipe column to match the rectangular steel pipe group; the column head is welded and fixed to the top of the steel pipe column.
[0009] In one embodiment, a temporary anchoring steel bar extends from the top of the steel tube concrete column, and the temporary anchoring steel bar is located in the cast-in-place area of block zero.
[0010] In one embodiment, a plate serving as a cast-in-place formwork for a No. 0 block is provided at the top of the steel tube concrete column.
[0011] In one embodiment, part of the bent frames extends above the bridge pier, and the part of the bent frames extending above the bridge pier is overlapped on the top of the bridge pier through a pad.
[0012] The utility model is suitable for cast-in-place construction of large-scale zero-block embedded parts, and has the advantages of strong adaptability, reasonable force structure, high safety and the like. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The included drawings are used to provide a further understanding of the embodiments of the present application, which constitute a part of the specification, are used to illustrate the implementation methods of the present application, and together with the text description, explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:
[0014] Figure 1 This is a structural schematic diagram of a zero-block embedded part bracket of the utility model;
[0015] Figure 2 for Figure 1 1-1 sectional view;
[0016] Figure 3 for Figure 1 Sectional view 2-2;
[0017] Figure 4 for Figure 1 Middle 3-3 direction view;
[0018] Figure 5 The distribution diagram of steel tube concrete column and steel tube column;
[0019] Figure 6 It is a schematic diagram of the connection between the steel tube concrete column and the first embedded part;
[0020] Figure 7 It is a schematic diagram of the connection between the steel pipe column and the second embedded part;
[0021] Figure 8 for Figure 7 Middle 1-1 view;
[0022] Fig. 9 is a schematic diagram of the structure of the bracket;
[0023] Fig.10 It is a structural diagram of the column head;
[0024] Fig.11 for Fig.10 Middle 1-1 view;
[0025] Fig.12 It is a structural schematic diagram of the buttress structure.
[0026] Explanation of the reference numerals in the accompanying drawings: 1. Concrete-filled steel tube column; 2. Steel tube column; 3. Cap; 4. Pier; 5. Buttress structure; 6. Channel steel connection system; 7. Bracket; 8. Column head; 9. Demoulding pad; 10. Crossbeam; 11. Rack; 12. First embedded part; 13. First anchor plate; 14. First U-shaped steel bar; 15. Rib plate; 16. Temporary anchoring steel bar; 17. Plate; 18. Second embedded part; 19. Second anchor plate; 20. Second U-shaped steel bar; 21. Diagonal rod; 22. Cross rod; 23. Top plate; 24. Rectangular steel pipe group; 25. Third embedded part; 26. Horizontal connecting rod; 27. Copy pad. DETAILED DESCRIPTION
[0027] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, but cannot be understood as limiting the utility model. Ordinary technicians in this field can make various changes, modifications, substitutions and variations to these embodiments without departing from the principles and purpose of the utility model. The scope of the utility model is defined by the claims and their equivalents.
[0028] The terms "center", "longitudinal", "lateral", "length", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like mentioned or may be mentioned in the description of the present invention indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.
[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In addition, the terms "include", "comprises" and any variations thereof are intended to cover non-exclusive inclusions.
[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0031] A zero block embedded component bracket according to an embodiment of the utility model is described below with reference to the accompanying drawings.
[0032] See also Figures 1 to 4 According to an embodiment of the utility model, a zero block embedded part bracket includes a plurality of steel tube concrete columns 1 and a plurality of steel tube columns 2. The lower ends of the steel tube concrete columns 1 are fixed to a cap 3 or an expanded foundation, and the lower ends of the steel tube columns 2 are fixed to a cap 3 or an expanded foundation. In this embodiment, the lower ends of the steel tube concrete columns 1 and the lower ends of the steel tube columns 2 are both fixed to the cap 3.
[0033] The steel tube concrete columns 1 are distributed around the bridge pier 4 as the main support of the cast-in-place zero block. The steel tube concrete columns 1 are composed of steel pipes and concrete poured inside the steel pipes. The steel tube concrete columns 1 are connected to the bridge pier 4 through a buttress structure 5. The steel tube columns 2 serve as auxiliary supports for the cast-in-place zero block. The steel tube columns 2 adjacent to the bridge pier 4 are connected to the bridge pier 4 through a buttress structure 5. Adjacent steel tube columns 2 can be connected through a channel steel connection system 6. In one embodiment, the steel tube concrete columns 1 are The steel pipe is filled with C35 concrete. The number of steel tube concrete columns 1 is 4, and the number of steel tube columns 2 is 10. The distribution of steel tube concrete columns 1 and steel tube columns 2 can be found in Figure 4 , Figure 5 It should be understood that the number of the steel tube concrete columns 1 and the number of the steel tube columns 2 can be adjusted according to the actual engineering situation and are not limited here.
[0034] Return now Figures 1 to 3A bracket 7 is fixed on the top of the steel tube concrete column 1, and a column head 8 is provided on the top of the steel tube column 2. Demoulding pads 9 located on the same horizontal plane are arranged on the bracket 7 and the column head 8, and cross beams 10 and racks 11 are sequentially mounted on the demoulding pads 9.
[0035] Specifically, see Figure 6 The bottom of the steel tube concrete column 1 is welded and fixed to the first embedded part 12 embedded in the pedestal 3 or the expanded foundation. The first embedded part 12 includes a first anchor plate 13, and a plurality of first U-shaped steel bars 14 welded and fixed to the lower surface of the first anchor plate 13, and the first U-shaped steel bars 14 are distributed in a circular array. The first U-shaped steel bars 14 are embedded in the pedestal 3 or the expanded foundation, and the outer periphery of the bottom of the steel tube concrete column 1 is also arranged with a plurality of ribs 15 that are welded and fixed to the outer peripheral wall of the steel tube concrete column 1 and the first anchor plate 13 at the same time. Similarly, the ribs 15 are distributed in a circular array.
[0036] In this embodiment, a temporary anchoring steel bar 16 extends from the top of the steel tube concrete column 1, and the temporary anchoring steel bar 16 is located in the cast-in-place area of the No. 0 block. The temporary anchoring steel bar 16 can strengthen the connection between the steel tube concrete column 1 and the No. 0 block. A plate 17 is provided at the top of the steel tube concrete column 1 as a cast-in-place formwork for the No. 0 block.
[0037] See also Figure 7 , Figure 8 The bottom of the steel pipe column 2 is welded and fixed to the second embedded part 18 embedded in the pedestal 3 or the expanded foundation. The second embedded part 18 includes a second anchor plate 19, and a plurality of second U-shaped steel bars 20 welded and fixed to the lower surface of the second anchor plate 19, and the second U-shaped steel bars 20 are distributed in a circular array. The second U-shaped steel bars 20 are embedded in the pedestal 3 or the expanded foundation, and the outer periphery of the bottom of the steel pipe column 2 is also arranged with a plurality of ribs 15 welded and fixed to the outer peripheral wall of the steel pipe column 2 and the second anchor plate 19 at the same time. Similarly, the ribs 15 are distributed in a circular array.
[0038] See also Fig. 9 The bracket 7 includes two symmetrically arranged oblique rods 21 and a horizontally arranged cross rod 22 with both ends extending out of the steel tube concrete column 1. The upper ends of the oblique rods 21 are welded and fixed to the cross rod 22, and the lower ends are welded and fixed to the steel tube concrete column 1. The steel tube of the steel tube concrete column 1 is provided with openings for both ends of the cross rod 22 to extend out. The concrete of the steel tube concrete column 1 can be poured after the steel tube is welded and fixed to the bracket 7 and the first embedded part 12.
[0039] See also Fig.10 , Fig.11The column head 8 includes a top plate 23, and a rectangular steel pipe group 24 in a criss-cross shape is welded and fixed to the bottom of the top plate 23. The rectangular steel pipe group 24 is composed of multiple rectangular steel pipes. The top edge of the steel pipe column 2 forms a groove that matches the rectangular steel pipe; the column head 8 is welded and fixed to the top of the steel pipe column 2.
[0040] See also Fig.11 The buttress structure 5 may include a third embedded part 25 embedded in the pier 4, and a horizontal connecting rod 26. One end of the horizontal connecting rod 26 is welded and fixed to the third embedded part 25, and the other end is welded and fixed to the steel tube concrete column 1 or the steel tube column 2.
[0041] Now back to Figure 1 In this embodiment, part of the bent frame 11 extends into the top of the bridge pier 4 , and the part of the bent frame 11 extending into the top of the bridge pier 4 is overlapped with the top of the bridge pier 4 through a pad 27 .
[0042] The embedded part bracket of block No. 0 of this embodiment is suitable for cast-in-place construction of large-scale block No. 0, and has the advantages of strong adaptability, reasonable force structure, high safety and the like.
Claims
1. A zero block embedded part bracket, characterized in that: It comprises a plurality of steel tube concrete columns whose lower ends are fixed to the pedestal or the expanded foundation, and a plurality of steel tube columns whose lower ends are fixed to the pedestal or the expanded foundation; the steel tube concrete columns are distributed around the piers, the steel tube concrete columns are connected to the piers through a buttress structure, and the steel tube columns adjacent to the piers are connected to the piers through a buttress structure; a bracket is fixed to the top of the steel tube concrete column, a column head is provided at the top of the steel tube column, demoulding pads located on the same horizontal plane are arranged on the bracket and the column head, and cross beams and racks are sequentially erected on the demoulding pads; The bottom of the steel tube concrete column is welded and fixed to a first embedded part embedded in the pedestal or the expanded foundation, the first embedded part includes a first anchor plate, and a plurality of first U-shaped steel bars welded and fixed to the lower surface of the first anchor plate; the first U-shaped steel bars are embedded in the pedestal or the expanded foundation, and the outer periphery of the bottom of the steel tube concrete column is also arranged with a plurality of ribs that are welded and fixed to the outer peripheral wall of the steel tube concrete column and the first anchor plate at the same time; The bottom of the steel pipe column is welded and fixed to a second embedded part embedded in the cap or the expanded foundation, the second embedded part includes a second anchor plate, and a plurality of second U-shaped steel bars welded and fixed to the lower surface of the second anchor plate; the second U-shaped steel bars are embedded in the cap or the expanded foundation, and a plurality of ribs are arranged on the outer periphery of the bottom of the steel pipe column, which are welded and fixed to the outer peripheral wall of the steel pipe column and the second anchor plate at the same time; The bracket includes two symmetrically arranged oblique rods and a horizontally arranged cross rod with both ends extending out of the steel tube concrete column. The upper ends of the oblique rods are welded and fixed to the cross rods, and the lower ends are welded and fixed to the steel tube concrete column. The column head comprises a top plate, a rectangular steel pipe group in a tic-tac-toe shape is welded and fixed to the bottom of the top plate, and a groove is formed at the top edge of the steel pipe column to match the rectangular steel pipe group; the column head is welded and fixed to the top of the steel pipe column.
2. The zero block embedded part bracket according to claim 1, characterized in that: A temporary anchoring steel bar extends out from the top of the steel tube concrete column, and the temporary anchoring steel bar is located in the cast-in-place area of block No.
0.
3. The zero block embedded part bracket according to claim 2, characterized in that: A plate serving as a cast-in-place formwork for a No. 0 block is arranged at the top of the steel tube concrete column.
4. The zero block embedded part bracket according to claim 3 is characterized in that: Part of the bent frames extends into the top of the bridge pier, and the part of the bent frames extending into the top of the bridge pier is overlapped with the top of the bridge pier through a pad.