CN220013418U - Single-end suspension bracket structure of continuous beam side span cast-in-situ section - Google Patents

Single-end suspension bracket structure of continuous beam side span cast-in-situ section Download PDF

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Publication number
CN220013418U
CN220013418U CN202320671666.4U CN202320671666U CN220013418U CN 220013418 U CN220013418 U CN 220013418U CN 202320671666 U CN202320671666 U CN 202320671666U CN 220013418 U CN220013418 U CN 220013418U
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China
Prior art keywords
steel
double
bailey frame
spliced
bridge pier
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CN202320671666.4U
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Chinese (zh)
Inventor
陶亮
唐朝
邓宇
户少勇
胡春艳
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Sixth Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
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Sixth Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
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Priority to CN202320671666.4U priority Critical patent/CN220013418U/en
Priority to DE202023106579.1U priority patent/DE202023106579U1/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The utility model belongs to the technical field of continuous beam brackets, in particular to a continuous beam side span cast-in-situ section single-end suspension bracket structure, which comprises a bailey frame longitudinal beam, wherein one end of the bailey frame longitudinal beam, which is close to a bridge pier, is provided with a suspension mechanism for positioning, and one end of the bailey frame longitudinal beam, which is far away from the bridge pier, is provided with a support mechanism for positioning; a wood template is supported above the bailey frame longitudinal beam through a fastener type scaffold structure; through adopting suspension mechanism and supporting mechanism for the one end of bailey frame longeron is hung, and the other end of bailey frame longeron adopts interim supporting mechanism in the riverbed, has solved the problem that the full framing method structure obstructs the waters area, has reduced the support system and has received floater striking probability, and interim supporting mechanism and suspension mechanism still have the reduction of erection time, safe high-efficient, energy-concerving and environment-protective, reduce cost's purpose simultaneously.

Description

Single-end suspension bracket structure of continuous beam side span cast-in-situ section
Technical Field
The utility model belongs to the technical field of continuous beam supports, and particularly relates to a continuous beam side span cast-in-situ section single-end suspension support structure.
Background
The continuous beam side span cast-in-situ section is constructed by adopting a full framing method, a falsework method and a bracket method, the technology is mature, safe and reliable, and the structural form is being promoted and applied in a large quantity, however, in the construction process of the continuous beam side span cast-in-situ section in water, under the geological conditions that navigation requirements exist and a riverbed is weathered rock, the support foundation treatment is a complex process, the difficulty of the anti-floater impact measure in the flood season is high, and the risk of support collapse is increased in the construction in the flood season. Under the geological condition that the riverbed is free of a covering layer and weathered rock is adopted, a traditional hole guiding treatment mode is adopted for a scaffold foundation, the construction difficulty is high, the work efficiency is low, and the construction investment cannot be increased due to the fact that the anchor part is not removed in the later stage; the marine small ship is constructed by adopting the traditional full framing method, the water surface blocking area is increased, the marine small ship is easy to be impacted by floaters in the flood season, and the safety risk is high; by adopting the traditional bracket method, the pier stud needs to be added with anti-overturning measures, the length of the side span cast-in-situ section is limited, and the construction cost is high.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a single-end suspension bracket structure of a continuous beam side span cast-in-situ section.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the continuous beam side span cast-in-situ section single-end suspension bracket structure comprises a bailey frame longitudinal beam, wherein a suspension mechanism for positioning is arranged at one end, close to a bridge pier column, of the bailey frame longitudinal beam, and the bailey frame longitudinal beam is arranged at the upper part of the bridge pier column through the suspension mechanism; one end of the bailey frame longitudinal beam, which is far away from the bridge pier column, is provided with a supporting mechanism for positioning; and a wood template is supported above the bailey frame longitudinal beam through a fastener type scaffold structure and used for pouring a continuous beam side span cast-in-situ section beam body.
The suspension mechanism comprises a double-spliced I-steel shoulder pole beam arranged at the upper end of the bent cap, two parallel suspension end double-spliced I-steel cross beams are fixedly arranged at two sides of a bridge pier column through finish-rolled threaded steel horizontal pull rods, a skid for supporting is further arranged between the bridge pier column and the suspension end double-spliced I-steel cross beams, a finish-rolled threaded steel vertical suspender for suspension is arranged between two ends of the double-spliced I-steel shoulder pole beam and the two suspension end double-spliced I-steel cross beams, and double-nut steel base plates for positioning are respectively screwed at two ends of the finish-rolled threaded steel vertical suspender and the finish-rolled threaded steel horizontal pull rods;
the support mechanism comprises a steel pipe pile column inserted into a riverbed drilling hole, an underwater concrete filling pile poured between the steel pipe pile column and a drilling hole gap, and a support end double-spliced I-shaped steel beam arranged at the upper end of the steel pipe pile column, wherein the support end double-spliced I-shaped steel beam supports one end, far away from a bridge pier column, of the bailey frame longitudinal beam;
the fastener type scaffold structure comprises I-steel distribution beams which are arranged in parallel on the bailey frame longitudinal beams, and steel pipe scaffold which is arranged on the upper surface of the I-steel distribution beams, wherein a jacking is fixed at the upper end of the steel pipe scaffold, double steel pipes are stored in a storage groove at the upper end of the jacking, square timber is supported by the jacking and the double steel pipes in a matched mode, and a wood template is arranged on the square timber.
As a preferable technical scheme of the continuous beam side span cast-in-situ section single-end suspension bracket structure, the inner side of the bailey frame longitudinal beam is fixedly provided with limiting channel steel for positioning, four limiting channel steel are arranged, and the four limiting channel steel are distributed on the surfaces of two sides of a bridge pier.
As an optimal technical scheme of the continuous beam side span cast-in-situ section single-end suspension bracket structure, the upper surface of the bailey frame longitudinal beam is provided with a rubber block support for supporting, the rubber block support is contacted with the lower surface of a capping beam, and the capping beam is arranged at the upper end of a double-spliced I-steel shoulder pole beam.
As a preferable technical scheme of the continuous beam side span cast-in-situ section single-end suspension bracket structure, a plurality of bailey frame longitudinal beams are arranged in parallel.
As a preferable technical scheme of the continuous beam side span cast-in-situ section single-end suspension bracket structure, two bridge pier columns and two steel pipe pile columns are arranged in parallel.
As a preferable technical scheme of the continuous beam side span cast-in-situ section single-end suspension bracket structure, the bailey frame longitudinal beam is perpendicular to the I-steel distribution beam.
Compared with the prior art, the utility model has the beneficial effects that:
1. through adopting suspension mechanism and supporting mechanism for the one end of bailey frame longeron is hung, and the other end of bailey frame longeron adopts interim supporting mechanism in the riverbed, has solved the problem that the full framing method structure obstructs the waters area, has reduced the support system and has received floater striking probability, and interim supporting mechanism and suspension mechanism still have the reduction of erection time, safe high-efficient, energy-concerving and environment-protective, reduce cost's purpose simultaneously.
2. Through the suspension mechanism that comprises finish rolling screw thread steel vertical jib, hang end double-spliced I-steel crossbeam, double-nut steel backing plate, skid and finish rolling screw thread steel horizontal pull rod, and the double-spliced I-steel shoulder pole roof beam that the bent cap upper end was placed is connected with hanging end double-spliced I-steel crossbeam through finish rolling screw thread steel vertical jib, and hang end double-spliced I-steel crossbeam and bridge pier column through finish rolling screw thread molten steel horizontal pull rod, and the both ends of finish rolling screw thread steel vertical jib and finish rolling screw thread steel horizontal pull rod all spin and are fixed with double-nut steel backing plate for double-spliced I-steel shoulder pole roof beam carries out suspension support to hanging end double-spliced I-steel crossbeam, and hang end double-spliced I-steel crossbeam carries out suspension support to bailey frame longeron, and still be provided with the skid between hanging end double-spliced I-steel crossbeam and the bridge pier column, have reached stability and the convenience that suspends bailey frame longeron one end.
3. The temporary supporting mechanism is composed of the underwater concrete filling pile, the steel pipe pile upright post and the supporting end double-spliced I-shaped steel cross beam, the underwater concrete filling pile is poured in a gap between the steel pipe pile upright post and the drilled hole after the lower end of the steel pipe pile upright post is installed in the drilled hole of the river bed, the lower end of the steel pipe pile upright post is fixed in the river bed, and the upper end of the steel pipe pile upright post supports the other end of the bailey frame longitudinal beam through the supporting end double-spliced I-shaped steel cross beam, so that the purpose of supporting the bailey frame longitudinal beam by the supporting mechanism is achieved.
On the whole, in the construction measure of the continuous beam side span cast-in-situ section single-end suspension bracket, the full framing structure is combined with the falsework structure, and the pier column bent cap is utilized to set a single-end suspension system, so that the number of the guide holes of the steel pipe column of the falsework structure is reduced, the height of the full framing at the bottom of the full framing structure is reduced, the navigation requirement is met, and the overall stability of the bracket system is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a right side view of the present utility model;
in the figure: 1. finish rolling a deformed steel bar vertical suspender; 2. double-spliced I-steel shoulder pole beams; 3. a capping beam; 4. a rubber block support; 5. bailey frame stringers; 6. double-spliced I-steel cross beams at the suspension ends; 7. double-nut steel backing plate; 8. limiting channel steel; 9. a skid; 10. finish rolling the threaded molten steel horizontal pull rod; 11. an underwater concrete filling pile; 12. a steel pipe pile column; 13. the support end is double-spliced with the I-steel beam; 14. i-steel distribution beams; 15. a steel pipe scaffold; 16. jacking; 17. double steel pipes; 18. square timber; 19. a wood form; 20. a continuous beam side spans the cast-in-situ section beam body; 21. bridge pier column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-3, the present utility model provides a technical solution: the single-end suspension bracket structure of the continuous beam side span cast-in-situ section comprises a bailey frame longitudinal beam 5, wherein a suspension mechanism for positioning is arranged at one end, close to a bridge pier 21, of the bailey frame longitudinal beam 5, and the bailey frame longitudinal beam 5 is arranged at the upper part of the bridge pier 21 through the suspension mechanism; the end, far away from the bridge pier 21, of the bailey frame longitudinal beam 5 is provided with a supporting mechanism for positioning; and the suspension mechanism and the supporting mechanism are removed at a later stage.
A wood template 19 is supported above the bailey frame longitudinal beam 5 through a fastener type scaffold structure; through adopting suspension mechanism and supporting mechanism for the one end of bailey frame longeron 5 hangs, and the other end of bailey frame longeron 5 adopts interim supporting mechanism in the riverbed, has solved the problem that the full framing method structure obstructs the waters area, has reduced the support system and has received floater striking probability, and interim supporting mechanism and suspension mechanism still have the reduction of erection time simultaneously, safe high-efficient, energy-concerving and environment-protective, reduce cost's purpose.
The suspension mechanism comprises a double-spliced I-steel shoulder pole beam 2 arranged at the upper end of a bent cap 3, two parallel suspension end double-spliced I-steel cross beams 6 are fixedly arranged at two sides of a bridge pier column 21 through finish rolling threaded steel horizontal pull rods 10, a skid 9 for supporting is further arranged between the bridge pier column 21 and the suspension end double-spliced I-steel cross beams 6, a finish rolling threaded steel vertical suspender 1 for suspension is arranged between two ends of the double-spliced I-steel shoulder pole beam 2 and the two suspension end double-spliced I-steel cross beams 6, double-nut steel base plates 7 for positioning are screwed at two ends of the finish rolling threaded steel vertical suspender 1 and the finish rolling threaded steel horizontal pull rods 10, and the suspension end double-spliced I-steel cross beams 6 support one end of a bailey frame longitudinal beam 5 close to the bridge pier column 21; through the suspension mechanism that comprises finish rolling screw thread steel vertical jib 1, hang end double-spliced I-steel crossbeam 6, double-nut steel backing plate 7, skid 9 and finish rolling screw thread steel horizontal pull rod 10, and the double-spliced I-steel shoulder pole beam 2 that the upper end of bent cap 3 was placed is connected with hanging end double-spliced I-steel crossbeam 6 through finish rolling screw thread steel vertical jib 1, and hang end double-spliced I-steel crossbeam 6 and be connected with bridge pier 21 through finish rolling screw thread steel horizontal pull rod 10, and the both ends of the vertical jib 1 of finish rolling screw thread steel and finish rolling screw thread steel horizontal pull rod 10 all spin-lock and be fixed with double-nut steel backing plate 7, make double-spliced I-steel shoulder pole beam 2 to hang end double-spliced I-steel crossbeam 6 to hang and support, hang end double-spliced I-steel crossbeam 6 to shell thunder frame longeron 5, and hang end double-spliced I-steel crossbeam 6 and bridge pier 21 between still be provided with skid 9, stability and convenience that has reached to hang shell thunder frame longeron 5 one end.
The support mechanism comprises a steel pipe pile column 12 inserted into a riverbed borehole, an underwater concrete filling pile 11 poured between the steel pipe pile column 12 and a borehole gap, and a support end double-spliced I-shaped steel beam 13 arranged at the upper end of the steel pipe pile column 12, wherein the support end double-spliced I-shaped steel beam 13 supports one end, far away from a bridge pier column 21, of the bailey frame longitudinal beam 5; the temporary supporting mechanism is composed of the underwater concrete filling pile 11, the steel pipe pile upright post 12 and the supporting end double-spliced I-shaped steel beam 13, after the lower end of the steel pipe pile upright post 12 is installed in a riverbed drill hole, the underwater concrete filling pile 11 is poured in a gap between the steel pipe pile upright post 12 and the drill hole, the lower end of the steel pipe pile upright post 12 is fixed in the riverbed, the upper end of the steel pipe pile upright post 12 supports the other end of the bailey frame longitudinal beam 5 through the supporting end double-spliced I-shaped steel beam 13, and the purpose that the supporting mechanism supports the bailey frame longitudinal beam 5 is achieved.
The fastener type scaffold structure comprises I-steel distribution beams 14 which are arranged on the bailey frame longitudinal beams 5 in parallel, steel pipe scaffold 15 which is arranged on the upper surface of the I-steel distribution beams 14, jacking 16 which is fixed at the upper end of the steel pipe scaffold 15, double steel pipes 17 which are stored in storage grooves at the upper end of the jacking 16, square timber 18 which are matched and supported by the jacking 16 and the double steel pipes 17, a wood template 19 for supporting is arranged on the square timber 18, a full framing structure is combined with a falsework structure in continuous beam side span cast-in-place section single-end suspension bracket construction measures, a single-end suspension system is arranged by utilizing the capping beam 3, the number of guide holes of steel pipe stand columns of the falsework structure is reduced, the height of a full framing bracket is reduced, the navigation requirements are met, and the overall stability of the bracket system is improved.
Specifically, the inside fixed mounting of bailey frame longeron 5 has spacing channel-section steel 8 that are used for the location, and spacing channel-section steel 8 is provided with four, and four spacing channel-section steel 8 distribute the surface in bridge pier 21 both sides.
Specifically, the upper surface of bailey frame longeron 5 is provided with the rubber block support 4 that is used for supporting, and the lower surface contact of rubber block support 4 and bent cap 3, and bent cap 3 is installed in the upper end of two pieces of I-steel shoulder pole roof beam 2.
Specifically, the bailey frame longitudinal beams 5 are provided in parallel with a plurality of.
Specifically, the bridge pier 21 and the steel pipe pile column 12 are both disposed in parallel.
Specifically, the bailey frame longitudinal beam 5 is perpendicular to the i-beam distribution beam 14.
The working principle and the using flow of the utility model are as follows: when the support is constructed, drilling holes for installing steel pipe pile columns 12 are formed at preset positions of a riverbed, pouring underwater concrete filling piles 11 at gaps between the steel pipe pile columns 12 and the drilling holes, placing support end double-spliced I-shaped steel beams 13 at the upper ends of two parallel steel pipe pile columns 12, installing hanging end double-spliced I-shaped steel beams 6 on two sides of a bridge pier 21 through finish rolling threaded steel horizontal pull rods 10, placing a skid 9 between the hanging end double-spliced I-shaped steel beams 6 and the bridge pier 21, connecting double-spliced I-shaped steel shoulder pole beams 2 placed at the upper ends of cover beams 3 with the hanging end double-spliced I-shaped steel beams 6 through finish rolling threaded steel vertical hanging rods 1, screwing double-nut backing plates 7 at two ends of the finish rolling threaded steel vertical hanging rods 1 and the finish rolling threaded steel horizontal pull rods 10 for fixing, placing one ends of a bell-shaped truss longitudinal beam 5 on the hanging end double-spliced I-shaped steel beams 6 for hanging, the other end of the bailey frame longitudinal beam 5 is placed on a double-spliced I-shaped steel cross beam 13 at a supporting end for supporting, four limit channel steel 8 are fixed in the bailey frame longitudinal beam 5, so that the four limit channel steel 8 are in contact with the two side surfaces of a bridge pier column 21, a rubber block support 4 is placed on the bailey frame longitudinal beam 5, double-nut steel base plates 7 at the two ends of a finish rolling threaded steel vertical suspender 1 are locked, at the moment, the rubber block support 4 is in contact with the lower surface of a capping beam 3, an I-shaped steel distribution beam 14 is placed above the bailey frame longitudinal beam 5, a steel pipe scaffold 15 is placed above the I-shaped steel distribution beam 14, a jacking 16 is fixed at the upper end of the steel pipe scaffold 15, two double steel pipes 17 are placed in a storage groove at the upper end of the jacking 16, square timber 18 is installed above the jacking 16 and the double steel pipes 17, a timber template 19 is placed on the upper surface of the square timber 18, the continuous beam side span cast-in-situ section beam body 20 is poured into the wood form 19.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a single end suspension support structure of continuous beam side span cast-in-place section, includes bailey frame longeron (5), its characterized in that: a suspension mechanism for positioning is arranged at one end, close to the bridge pier (21), of the bailey frame longitudinal beam (5), and the bailey frame longitudinal beam (5) is arranged at the upper part of the bridge pier (21) through the suspension mechanism;
one end of the bailey frame longitudinal beam (5) far away from the bridge pier (21) is provided with a supporting mechanism for positioning; a wood template (19) is supported above the bailey frame longitudinal beam (5) through a fastener type scaffold structure, and the wood template (19) is used for pouring a continuous beam side span cast-in-situ section beam body (20);
the suspension mechanism comprises a double-spliced I-shaped steel shoulder pole (2) arranged at the upper end of a bent cap (3), two parallel-arranged double-spliced I-shaped steel cross beams (6) at the suspension ends are fixedly arranged at two sides of a bridge pier (21) through finish-rolled threaded molten steel horizontal pull rods (10), a skid (9) for supporting is further arranged between the bridge pier (21) and the double-spliced I-shaped steel cross beams (6), finish-rolled threaded steel vertical suspenders (1) for suspension are arranged between two ends of the double-spliced I-shaped steel shoulder pole (2) and the two double-spliced I-shaped steel cross beams (6) at the suspension ends, double-nut steel backing plates (7) for positioning are respectively screwed at two ends of the finish-rolled threaded steel vertical suspenders (1) and the finish-rolled threaded molten steel horizontal pull rods (10), and the double-spliced I-shaped steel cross beams (6) support one ends of the bailey frame longitudinal beams (5) close to the bridge pier (21);
the supporting mechanism comprises a steel pipe pile column (12) inserted into a riverbed drilling hole, an underwater concrete filling pile (11) poured between the steel pipe pile column (12) and a drilling hole gap, and a supporting end double-spliced I-shaped steel beam (13) arranged at the upper end of the steel pipe pile column (12), wherein the supporting end double-spliced I-shaped steel beam (13) supports one end, far away from a bridge pier column (21), of the bailey longitudinal beam (5);
the fastener type scaffold structure comprises I-steel distribution beams (14) which are arranged on the bailey frame longitudinal beams (5) in parallel, and steel pipe scaffold frames (15) which are arranged on the upper surfaces of the I-steel distribution beams (14), jacking supports (16) which are fixed at the upper ends of the steel pipe scaffold frames (15), double steel pipes (17) which are stored in storage grooves at the upper ends of the jacking supports (16), square timber (18) are supported by the jacking supports (16) and the double steel pipes (17) in a matched mode, and wood templates (19) are arranged on the square timber (18).
2. The continuous beam side span cast-in-situ section single end suspension bracket structure according to claim 1, wherein: limiting channel steel (8) used for positioning are fixedly mounted on the inner side of the bailey frame longitudinal beam (5), four limiting channel steel (8) are arranged, and the four limiting channel steel (8) are distributed on the surfaces of two sides of the bridge pier column (21).
3. The continuous beam side span cast-in-situ section single end suspension bracket structure according to claim 1, wherein: the upper surface of bailey frame longeron (5) is provided with rubber piece support (4) that are used for supporting, and rubber piece support (4) and the lower surface contact of bent cap (3), bent cap (3) are installed in the upper end of two I-steel shoulder pole roof beam (2).
4. The continuous beam side span cast-in-situ section single end suspension bracket structure according to claim 1, wherein: the bailey frame longitudinal beams (5) are arranged in parallel.
5. The continuous beam side span cast-in-situ section single end suspension bracket structure according to claim 1, wherein: the bridge pier column (21) and the steel pipe pile column (12) are arranged in parallel.
6. The continuous beam side span cast-in-situ section single end suspension bracket structure according to claim 1, wherein: the bailey frame longitudinal beam (5) is perpendicular to the I-steel distribution beam (14).
CN202320671666.4U 2023-03-30 2023-03-30 Single-end suspension bracket structure of continuous beam side span cast-in-situ section Active CN220013418U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202320671666.4U CN220013418U (en) 2023-03-30 2023-03-30 Single-end suspension bracket structure of continuous beam side span cast-in-situ section
DE202023106579.1U DE202023106579U1 (en) 2023-03-30 2023-11-10 Single-sided suspension support structure of a cast-in-place side span section of a continuous beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320671666.4U CN220013418U (en) 2023-03-30 2023-03-30 Single-end suspension bracket structure of continuous beam side span cast-in-situ section

Publications (1)

Publication Number Publication Date
CN220013418U true CN220013418U (en) 2023-11-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320671666.4U Active CN220013418U (en) 2023-03-30 2023-03-30 Single-end suspension bracket structure of continuous beam side span cast-in-situ section

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CN (1) CN220013418U (en)
DE (1) DE202023106579U1 (en)

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