CN218562060U - Shaped steel cast-in-place slab steel aliasing composite beam - Google Patents

Shaped steel cast-in-place slab steel aliasing composite beam Download PDF

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Publication number
CN218562060U
CN218562060U CN202220798753.1U CN202220798753U CN218562060U CN 218562060 U CN218562060 U CN 218562060U CN 202220798753 U CN202220798753 U CN 202220798753U CN 218562060 U CN218562060 U CN 218562060U
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steel
plate
cast
self
supporting
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CN202220798753.1U
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吴广
廖飞顺
郝旭峰
蔡睿
汪广博
颜纪安
柳玉顺
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Zhejiang Communications Construction Group Co Ltd
Zhejiang Jinzhu Transportation Construction Co Ltd
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Zhejiang Communications Construction Group Co Ltd
Zhejiang Jinzhu Transportation Construction Co Ltd
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Abstract

The utility model relates to a shaped steel cast-in-place slab steel aliasing closes roof beam, include: the steel beam transportation device comprises a steel beam transportation jig frame, an assembled foundation, a support stand column, a temporary splicing locking device, a flat intersection lower hanging self-supporting protection system and a self-supporting formwork system; the steel beam transportation jig frame is installed on the transportation vehicle and fixedly connected with the transportation vehicle flat plate through a hand-operated block, a steel wire rope and a binding belt. The utility model has the advantages that: a dynamic easily-adjustable prefabricated foundation anti-collision temporary support system is developed, the prefabricated foundation is provided with an anti-collision warning device through a hinged connecting rod, the position of the anti-collision warning device can be flexibly adjusted, and the erection speed and the construction safety of the temporary support system are greatly improved; the steel plate beam which is installed in place is used as a bearing structure of the upper cast-in-place plate formwork support to form a cast-in-place plate profile steel self-supporting formwork supporting system, meanwhile, the profile steel is hung downwards to form a self-supporting protection system, the support cost of the cast-in-place plate is reduced, and the safety of vehicles passing through a crossroad can be guaranteed during construction.

Description

Shaped steel cast-in-situ plate steel mixing composite beam
Technical Field
The utility model relates to a highway engineering field especially includes a shaped steel cast-in-place slab steel aliasing closes roof beam.
Background
The steel-concrete composite beam in the bridge structure is also called a composite beam, and refers to a bridge structure form in which a concrete bridge deck and a steel main beam are connected through a shear connector to form an integral stress structure. Compared with a concrete bridge or a steel bridge, the cross section height can be effectively reduced by adopting a superposed beam form, the structural rigidity is improved, and the deflection of the structure under live load is reduced; meanwhile, the combined beam bridge is convenient for industrial production, has high field installation quality, low construction cost and high speed, can reduce noise pollution after being built, protects the living environment of a city, has obvious technical economic benefit and social benefit, is very suitable for the national conditions of basic construction of China and has wide application prospect.
The key and difficult points of the steel-concrete composite beam construction lie in the hoisting operation of the steel plate beam and the formwork erecting operation of the upper cast-in-place plate, particularly in the working condition of an upper-span flat intersection, because of the influence of ground traffic, the construction safety requirement and the hoisting difficulty of the steel plate beam are increased, and meanwhile, factors influencing the stability of the whole structure are also multiple.
Although the development of the composite beam in China has been rapidly advanced, better construction organization design and traffic organization optimization are continuously brought forward, researches such as establishment and perfection of the design and calculation theory of various forms of formwork supports are also carried out, and the like, the steel-concrete composite beam across the flat intersection still has an improved space in construction.
In view of this, a steel-concrete composite beam with high construction speed, high safety and outstanding economic and technical benefits is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a cast-in-place slab steel of shaped steel aliasing closes roof beam.
The section steel cast-in-place plate steel aliasing composite beam comprises a steel beam transportation jig frame, an assembled foundation, a support stand column, a temporary splicing locking device, a flat intersection lower hanging self-supporting protection system and a self-supporting formwork system; the steel beam transportation jig frame is fixedly connected with the transportation vehicle flat plate through a manual hoist, a steel wire rope and a binding belt; the steel beam transportation jig frame consists of upright posts, longitudinal connecting rods, transverse rods and lateral baffles; the longitudinal connecting rods are fixed on a flat plate of the transport vehicle, the top surfaces of the longitudinal connecting rods are provided with upright posts at equal intervals, lateral baffles are arranged between adjacent upright posts, limiting adjusting knobs are arranged on the lateral baffles, anti-falling nets are arranged between the upright posts at the tail end of the transport vehicle, transverse rods are vertically arranged between the longitudinal connecting rods, and rubber cushion layers are paved on the transverse rods; a binding belt limiting groove corresponding to the binding belt is arranged on the steel beam transportation tyre frame; the construction method comprises the following steps that an assembly type foundation is arranged on a construction site, a plurality of temporary support stand columns are pre-embedded on a plurality of connecting anchor rods at the top of the assembly type foundation, the plurality of support stand columns are connected and reinforced through quick-release connecting pieces, a cross beam is arranged at the top of each support stand column, an auxiliary construction platform is hung below a flat intersection of the cross beam, and an adjustable support is installed on the top surface of the cross beam; the transverse steel beam is connected with the I-shaped steel bottom beam to form a steel beam; and hoisting a steel beam on the adjustable support, welding the steel beam by a temporary splicing and locking device, and arranging a plain crossing lower-hanging self-supporting protection system and a self-supporting formwork system through a lower flange plate of the steel beam.
Preferably, the prefabricated foundation is of a reinforced concrete structure, the side wall of the prefabricated foundation is provided with a reserved groove, a main rod is arranged in the reserved groove, the main rod is connected with a limiting ring through a connecting rod with a hinged rod, and a warning post is arranged in the limiting ring.
Preferably, the warning post is of a foldable structure and is rotatably connected with the preformed groove.
Preferably, the temporary splicing and locking device consists of an upper pi-shaped toothed plate, a lower pi-shaped toothed plate, an adjusting base plate, a limiting bolt and a fixing punch pin; the temporary splicing locking device is arranged at the joint of the upper flange plate and the lower flange plate of the adjacent steel beam; the adjusting base plate is arranged between the upper pi-shaped toothed plate and the lower pi-shaped toothed plate, and the upper pi-shaped toothed plate, the lower pi-shaped toothed plate, the adjusting base plate and the steel beam flange plate are temporarily and fixedly connected through the limiting bolts and the central fixing punch nails which are positioned on two sides of the adjusting base plate.
Preferably, the level crossing lower hanging self-supporting protection system consists of longitudinal and transverse scaffold steel pipes, a steel wire mesh and a fireproof asbestos layer; the steel beam lower flange plate is provided with a transverse scaffold steel pipe in a lifting ring, the transverse scaffold steel pipe is provided with a longitudinal scaffold steel pipe, a steel wire mesh sheet is laid on the longitudinal and transverse scaffold steel pipe, and a fireproof asbestos layer is arranged on the steel wire mesh sheet.
Preferably, the self-supporting formwork system consists of an I-steel bottom beam, a unit type scaffold, a cantilever beam and a formwork; an I-steel bottom beam is laid on the lower flange plate of the adjacent steel beam, a unit type scaffold is erected on the I-steel bottom beam, a template is installed on the top of the unit type scaffold, and the unit type scaffold is erected on the lower flange plate of the steel beam on the outermost side through a cantilever beam.
As the preferred, the girder steel is segmentation prefabricated construction, and the upper and lower flange plate of girder steel is the step section.
The utility model has the advantages that: the utility model discloses a developments easily transfer prefabricated assembled basis anticollision temporary support system, prefabricated assembled basis is through articulated formula connecting rod from taking anticollision warning device, and anticollision warning device can adjust the position in a flexible way, has accelerated setting up speed and construction security of temporary support system by a wide margin. The utility model discloses directly utilize the steel sheet roof beam of installing taking one's place as the bearing structure of the cast-in-place board formwork support in upper portion, form cast-in-place board shaped steel self-supporting formwork system, hang self-supporting protection system under the shaped steel simultaneously, can reduce the support cost of cast-in-place board, the safety of the current vehicle of intersection when can ensure the construction again.
Drawings
FIG. 1 is a schematic view of the construction of the steel-in-place steel plate of the utility model with overlapping beams;
FIG. 2 is a schematic diagram of a middle assembly foundation structure of the present invention;
FIG. 3 is a schematic structural view of a middle steel beam transportation jig of the present invention;
FIG. 4 is a schematic view of the transportation of the steel girder loading of the present invention;
FIG. 5 is a schematic view of the installation of the temporary splicing locking device of the present invention;
FIG. 6 is a schematic view of the structure of the middle-lower hanging self-supporting protection system of the present invention;
FIG. 7 is the utility model discloses well shaped steel cast-in-place slab steel aliasing closes roof beam construction flow chart.
Description of reference numerals: 1-assembly foundation; 2-a warning post; 3-a bracket upright post; 4-quick-release type connecting pieces; 5, assisting a construction platform; 6-a cross beam; 7-cantilever beam; 8-a unit scaffold; 9-i-steel bottom beam; 10-a fireproof asbestos layer; 11-steel wire mesh sheets; 12-transverse scaffold steel tubes; 13-template; 14-shear pins; 15-steel beam; 16-an adjustable support; 17-a limit ring; 18-a connecting rod; 19-a hinge rod; 20-main pole; 21-reserving a groove; 22-connecting an anchor rod; 23-erecting a rod; 24-a lateral baffle; 25-a rubber cushion layer; 26-a cross-bar; 27-a longitudinal link; 28-transporter flat bed; 29-a restraining belt limiting groove; 30-limit adjusting knob; 31-anti-falling net; 32-a binding band; 33-upper pi-shaped toothed plate; 34-adjusting the backing plate; 35-lower pi-shaped toothed plate; 36-fixing the punching nail; 37-a limit bolt; 38-transverse steel beams; 39-hoisting rings; 40-longitudinal scaffold steel tube.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, the present invention can be modified in several ways without departing from the principle of the present invention, and these modifications and modifications also fall into the protection scope of the claims of the present invention.
As an embodiment, as shown in fig. 1 to 7, the steel-in-place slab steel mixed beam comprises a steel beam transportation jig frame, an assembled foundation 1, a support upright post 3, a temporary splicing locking device, a flat intersection lower hanging self-supporting protection system and a self-supporting formwork system;
the transport vehicle is provided with a steel beam transport jig frame, and the steel beam transport jig frame is fixedly connected with a transport vehicle flat plate 28 through a hand-operated block, a steel wire rope and a binding belt 32; the steel beam transportation bed-jig comprises upright rods 23, longitudinal connecting rods 27, cross rods 26 and lateral baffle plates 24; the longitudinal connecting rods 27 are fixed on a transport vehicle flat plate 28, the vertical rods 23 are arranged on the top surfaces of the longitudinal connecting rods 27 at equal intervals, the lateral baffle plates 24 are arranged between the adjacent vertical rods 23, the limiting adjusting knobs 30 are arranged on the lateral baffle plates 24, the anti-falling nets 31 are arranged between the vertical rods 23 at the tail end of the transport vehicle, the cross rods 26 are vertically arranged between the longitudinal connecting rods 27, and the rubber cushion layers 25 are paved on the cross rods 26; a binding belt limiting groove 29 corresponding to the binding belt 32 is arranged on the steel beam transportation jig frame;
the construction method comprises the following steps that an assembly type foundation 1 is arranged on a construction site, a plurality of temporary support stand columns 3 are pre-buried on a plurality of connecting anchor rods 22 at the top of the assembly type foundation 1, the plurality of support stand columns 3 are connected and reinforced through quick-release connecting pieces 4, a cross beam 6 is arranged at the top of each support stand column 3, an auxiliary construction platform 5 is hung below a flat intersection of the cross beam 6, and an adjustable support 16 is arranged on the top surface of the cross beam 6; the transverse steel beam 38 is connected with the I-shaped steel bottom beam 9 to form a steel beam 15; a steel beam 15 is hoisted on an adjustable support 16, the steel beam 15 is welded by a temporary splicing and locking device, and a plain crossing lower hanging self-supporting protection system and a self-supporting formwork system are arranged through a lower flange plate of the steel beam 15.
Assembled basis 1 is reinforced concrete structure, and assembled basis 1's lateral wall all is provided with preformed groove 21, is provided with mobile jib 20 in the preformed groove 21, and mobile jib 20 is connected with spacing ring 17 through the connecting rod 18 of taking hinge pole 19, installs warning post 2 in the spacing ring 17.
Warning post 2 is beta structure, and warning post 2 rotates with preformed groove 21 to be connected.
The temporary splicing locking device consists of an upper pi-shaped toothed plate 33, a lower pi-shaped toothed plate 35, an adjusting backing plate 34, a limiting bolt 37 and a fixed punch pin 36; the temporary splicing and locking device is arranged at the joint of the upper flange plate and the lower flange plate of the adjacent steel beam 15; the adjusting shim plate 34 is arranged between the upper pi-shaped toothed plate 33 and the lower pi-shaped toothed plate 35, and the limiting bolts 37 and the central fixing punch nails 36 positioned at two sides of the adjusting shim plate 34 temporarily and fixedly connect the upper pi-shaped toothed plate 33, the lower pi-shaped toothed plate 35, the adjusting shim plate 34 and the steel beam flange plate.
The flat intersection lower hanging self-supporting protection system consists of longitudinal and transverse scaffold steel pipes 40, a steel wire mesh 11 and a fireproof asbestos layer 10; the transverse scaffold steel pipes 12 are installed in the hanging rings 39 of the lower flange plates of the steel beams, the longitudinal scaffold steel pipes 40 are erected on the transverse scaffold steel pipes 12, the steel wire meshes 11 are laid on the longitudinal and transverse scaffold steel pipes 40, and the fireproof asbestos layers 10 are arranged on the steel wire meshes 11.
The self-supporting formwork system consists of an I-steel bottom beam 9, a unit type scaffold 8, a cantilever beam 7 and a formwork 13; an I-steel bottom beam 9 is laid on the lower flange plate of the adjacent steel beam, a unit type scaffold 8 is erected on the I-steel bottom beam 9, a template 13 is installed on the top of the unit type scaffold 8, and the unit type scaffold 8 is erected on the lower flange plate of the outermost steel beam through a cantilever beam 7.
Girder steel 15 is segmentation prefabricated construction, and the upper and lower flange plate of girder steel 15 is the step section.

Claims (7)

1. Shaped steel cast-in-place slab steel aliasing closes roof beam, its characterized in that: the steel beam transportation device comprises a steel beam transportation jig frame, an assembly type foundation (1), a support upright post (3), a temporary splicing locking device, a flat intersection lower hanging self-supporting protection system and a self-supporting formwork system;
a steel beam transportation jig frame is arranged on the transportation vehicle, and the steel beam transportation jig frame is fixedly connected with a transportation vehicle flat plate (28) through a hand-drive block, a steel wire rope and a binding belt (32); the steel beam transportation jig frame consists of upright rods (23), longitudinal connecting rods (27), cross rods (26) and lateral baffle plates (24); the longitudinal connecting rods (27) are fixed on a transport vehicle flat plate (28), the vertical rods (23) are arranged on the top surfaces of the longitudinal connecting rods (27) at equal intervals, lateral baffles (24) are arranged between the adjacent vertical rods (23), limiting adjusting knobs (30) are arranged on the lateral baffles (24), anti-falling nets (31) are arranged between the vertical rods (23) at the tail end of the transport vehicle, cross rods (26) are vertically arranged between the longitudinal connecting rods (27), and rubber cushion layers (25) are laid on the cross rods (26); a binding belt limiting groove (29) corresponding to the binding belt (32) is arranged on the steel beam transportation jig frame;
the construction method comprises the following steps that an assembly type foundation (1) is arranged on a construction site, a plurality of temporary support upright columns (3) are pre-buried on a plurality of connecting anchor rods (22) at the top of the assembly type foundation (1), the plurality of support upright columns (3) are connected and reinforced through quick-release connecting pieces (4), a cross beam (6) is arranged at the top of each support upright column (3), an auxiliary construction platform (5) is hung below a flat intersection of the cross beam (6), and an adjustable support (16) is installed on the top surface of the cross beam (6); the transverse steel beam (38) is connected with the I-shaped steel bottom beam (9) to form a steel beam (15); and a steel beam (15) is hoisted on the adjustable support (16), the steel beam (15) is welded by a temporary splicing and locking device, and a plain crossing lower-hanging self-supporting protection system and a self-supporting formwork supporting system are arranged through a lower flange plate of the steel beam (15).
2. The section steel cast-in-place slab steel hybrid beam as claimed in claim 1, wherein: the fabricated foundation (1) is of a reinforced concrete structure, the side wall of the fabricated foundation (1) is provided with a preformed groove (21), a main rod (20) is arranged in the preformed groove (21), the main rod (20) is connected with a limiting ring (17) through a connecting rod (18) with a hinged shaft rod (19), and a warning column (2) is arranged in the limiting ring (17).
3. The section steel cast-in-place slab steel hybrid beam as claimed in claim 2, wherein: the warning post (2) is of a foldable structure, and the warning post (2) is rotatably connected with the reserved groove (21).
4. The section steel cast-in-place slab steel hybrid beam as claimed in claim 1, wherein: the temporary splicing and locking device consists of an upper Pi-shaped toothed plate (33), a lower Pi-shaped toothed plate (35), an adjusting base plate (34), a limiting bolt (37) and a fixed punch pin (36); the temporary splicing and locking device is arranged at the joint of the upper flange plate and the lower flange plate of the adjacent steel beam (15); the adjusting cushion plate (34) is arranged between the upper pi-shaped toothed plate (33) and the lower pi-shaped toothed plate (35), and the upper pi-shaped toothed plate (33), the lower pi-shaped toothed plate (35), the adjusting cushion plate (34) and the steel beam flange plate are temporarily and fixedly connected through the limiting bolts (37) and the central fixing punch nails (36) which are positioned on two sides of the adjusting cushion plate (34).
5. The section steel cast-in-place slab steel composite beam as claimed in claim 1, wherein: the flat intersection lower hanging self-supporting protection system consists of longitudinal and transverse scaffold steel pipes (40, 12), a steel wire mesh (11) and a fireproof asbestos layer (10); transverse scaffold steel pipes (12) are installed in lifting rings (39) of lower flange plates of steel beams, longitudinal scaffold steel pipes (40) are erected on the transverse scaffold steel pipes (12), steel wire meshes (11) are laid on the longitudinal and transverse scaffold steel pipes (40), and fireproof asbestos layers (10) are arranged on the steel wire meshes (11).
6. The section steel cast-in-place slab steel hybrid beam as claimed in claim 1, wherein: the self-supporting formwork system consists of an I-steel bottom beam (9), a unit type scaffold (8), a cantilever beam (7) and a formwork (13); an I-steel bottom beam (9) is laid on the lower flange plate of the adjacent steel beam, a unit type scaffold (8) is erected on the I-steel bottom beam (9), a template (13) is installed on the top of the unit type scaffold (8), and the unit type scaffold (8) is erected on the lower flange plate of the outermost steel beam through a cantilever beam (7).
7. The section steel cast-in-place slab steel composite beam as claimed in claim 1, wherein: girder steel (15) are segmentation prefabricated construction, and the upper and lower flange board of girder steel (15) is the step section.
CN202220798753.1U 2022-04-07 2022-04-07 Shaped steel cast-in-place slab steel aliasing composite beam Active CN218562060U (en)

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CN202220798753.1U CN218562060U (en) 2022-04-07 2022-04-07 Shaped steel cast-in-place slab steel aliasing composite beam

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Application Number Priority Date Filing Date Title
CN202220798753.1U CN218562060U (en) 2022-04-07 2022-04-07 Shaped steel cast-in-place slab steel aliasing composite beam

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114687290A (en) * 2022-04-07 2022-07-01 浙江交工集团股份有限公司 Construction method of shaped steel cast-in-place slab steel mixed beam

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114687290A (en) * 2022-04-07 2022-07-01 浙江交工集团股份有限公司 Construction method of shaped steel cast-in-place slab steel mixed beam
CN114687290B (en) * 2022-04-07 2024-04-26 浙江交工集团股份有限公司 Construction method of steel-cast-in-situ plate steel-concrete composite beam

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