CN109403456B - Steel corbel embedded structure and construction method thereof - Google Patents

Steel corbel embedded structure and construction method thereof Download PDF

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Publication number
CN109403456B
CN109403456B CN201811564880.XA CN201811564880A CN109403456B CN 109403456 B CN109403456 B CN 109403456B CN 201811564880 A CN201811564880 A CN 201811564880A CN 109403456 B CN109403456 B CN 109403456B
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China
Prior art keywords
steel
bracket
plate
vertical
concrete
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CN109403456A (en
Inventor
简正彬
吴要亮
曾作良
刘松
闫忠志
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Road And Bridge Engineering Co ltd Of China Railway No5 Engineering Group Co ltd
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Road And Bridge Engineering Co ltd Of China Railway No5 Engineering Group Co ltd
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Publication of CN109403456A publication Critical patent/CN109403456A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention discloses a steel bracket embedded structure and a construction method thereof, wherein the steel bracket embedded structure comprises a concrete upright post, bracket transverse steel plates, bracket transverse connection steel plates and bracket vertical steel plates, the bracket vertical steel plates are of two inverted L-shaped plate structures which are symmetrically arranged, the middle parts of the bracket vertical steel plates are welded and connected with vertical bracket transverse connection steel plates, one ends of the bracket vertical steel plates extend into the concrete upright post, the other ends of the bracket vertical steel plates are positioned on the side edges of the concrete upright post, the bracket transverse steel plates are welded and connected to the outer top ends of the bracket vertical steel plates, embedded steel pipes are arranged in the concrete upright post, opposite-pull finish rolling screw thread steel is arranged in the embedded steel pipes, and the screw thread steel passes through reserved holes on the bracket transverse connection steel plates and is fixed through nuts. Through the pre-buried steel pipe, the finish rolling deformed steel bar is penetrated, and the tension stability of the structure is ensured; through pre-buried steel sheet box, the bracket steel sheet inserts wherein, uses the steel sheet to bear the shear force, guarantees that the material performance obtains fine use, has obtained fine result of use.

Description

Steel corbel embedded structure and construction method thereof
Technical Field
The invention relates to a bracket, in particular to a steel bracket embedded structure and a construction method thereof, and belongs to the technical field of construction of foundation-free bracket structures of buildings, municipal administration, roads and railways.
Background
At present, foundation-free support structures such as roads, municipal administration, railways and the like are basically constructed by punching embedded bolts or profile steel on a template to strengthen corbels, so that a supporting system is formed. After the concrete pouring is finished, the template is difficult to remove, the template is seriously damaged and cannot be reused, and the resource is seriously wasted; the embedded bolts or the section steel bear large shearing force, and the bolts or the section steel have poor shearing force bearing performance, so that a large potential safety hazard is formed.
Disclosure of Invention
The invention aims to solve the technical problems that: providing a steel corbel pre-buried structure and a construction method thereof, and ensuring the tension stability of the structure by pre-burying steel pipes and oppositely penetrating finish-rolled screw thread steel; through pre-buried steel sheet box, the bracket steel sheet inserts wherein, uses the steel sheet to bear the shear force, guarantees that the material performance obtains fine use, has effectually solved the above-mentioned problem that exists.
The technical scheme of the invention is as follows: the utility model provides a pre-buried structure of steel bracket, it includes concrete column, bracket horizontal steel sheet, bracket transverse connection steel sheet and bracket vertical steel sheet, bracket vertical steel sheet is two symmetrical arrangement's reverse L template form structures, welded connection vertical bracket horizontal connection steel sheet between the middle part of bracket vertical steel sheet, the one end of bracket vertical steel sheet stretches into in the concrete column, the other end of bracket vertical steel sheet is located concrete column side, bracket horizontal steel sheet welded connection is on the outside top of bracket vertical steel sheet, be equipped with pre-buried steel pipe in the concrete column, there is the finish rolling screw thread steel to drawing in the pre-buried steel pipe, the screw thread steel passes through the preformed hole on the bracket horizontal connection steel sheet and passes through the nut fixedly.
Be equipped with the steel sheet box between concrete column and the vertical steel sheet of bracket, the steel sheet box is side direction open-ended square barrel structure, and the steel sheet box includes roof, bottom plate, riser and curb plate, and symmetrical arrangement about roof and the bottom plate, fixedly connected with side plate of bilateral symmetry arrangement between roof and bottom plate, at roof, bottom plate and the side fixed connection riser of curb plate, the vertical steel sheet of bracket has the clearance with the steel sheet box inside wall.
The concrete column is also provided with a plurality of concrete reinforcing net sheets, two support cushion steel plates are arranged above the concrete reinforcing net sheets, and the support cushion steel plates are positioned right below the bottom plate and are in contact with the bottom surface of the bottom plate.
Still fixedly connected with horizontally bracket stiffening plate between the vertical steel sheet of bracket, the side and the bracket transverse connection steel sheet fixed connection of bracket stiffening plate.
The number of the screw steels is two, and the screw steels are symmetrically arranged up and down by bracket stiffening plates.
A construction method of a steel corbel embedded structure comprises the following steps:
1. Respectively blanking a top plate, a bottom plate, a vertical plate, side plates, a bracket transverse steel plate, a bracket transverse connection steel plate, a bracket vertical steel plate, a bracket stiffening plate and a support cushion steel plate according to the designed size;
2. welding and assembling a top plate, a bottom plate, a vertical plate and a side plate to form a steel plate box;
3. welding and assembling the bracket transverse connection steel plate, the bracket vertical steel plate and the bracket stiffening plate into a bracket assembly according to a designed structure;
4. Supporting a mould for the concrete upright column, and putting a steel plate box, a supporting pad steel plate, a concrete reinforcing net sheet and an embedded steel pipe in the mould box in advance;
5. Pouring the concrete upright post, and respectively pouring the steel plate box, the support pad steel plate, the concrete reinforcing net piece and the embedded steel pipe into the concrete upright post;
6. Curing after the concrete pouring is completed, and removing the template after the strength reaches the requirement;
7. installing steel corbels, inserting one end of a corbel vertical steel plate into a steel plate box, penetrating screw steel into an embedded steel pipe, and symmetrically fixing two ends of the screw steel by nuts;
8. And welding and fixing bracket transverse steel plates at the top ends of the bracket transverse connecting steel plates and the bracket vertical steel plates, and finishing the installation of the steel brackets.
The beneficial effects of the invention are as follows: compared with the prior art, the method has the following advantages:
1. through the pre-buried steel pipe, the finish rolling deformed steel bar is penetrated, and the tension stability of the structure is ensured; the horizontal force born by the structure is borne by finish rolling deformed steel bars, the vertical force born by the structure is borne by bracket vertical steel plates, the stress of the structure is clear, and the performance of the material is fully utilized;
2. Through the embedded steel plate box, the bracket steel plate is inserted into the embedded steel plate box, and the steel plate is used for bearing shearing force, so that the material performance is ensured to be well used;
3. Through this pre-buried structure of steel bracket, need not cut at the template trompil, cut the damage template, the template is demolishd simply and conveniently for the template demolishs time and does not damage the template, does not cause the wasting of resources.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view of the present invention;
In the figure: 1. the bracket transverse steel plate, 2, bracket transverse connection steel plate, 21, bracket stiffening plate, 22, preformed hole, 3, bracket vertical steel plate, 4, steel plate box, 41, roof, 42, side plate, 43, bottom plate, 44, riser, 5, screw thread steel, 51, nut, 6, pre-buried steel pipe, 7, support pad steel plate, 8, concrete reinforcing steel bar reinforcing net piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings of the present specification.
Example 1: as shown in the attached drawings 1-2, the steel bracket pre-buried structure comprises a concrete upright post 9, a bracket transverse steel plate 1, a bracket transverse connection steel plate 2 and a bracket vertical steel plate 3, wherein the bracket vertical steel plate 3 is of an inverted L-shaped plate structure which is symmetrically arranged, the bracket transverse connection steel plate 2 is welded and connected between the middle parts of the bracket vertical steel plate 3, one end of the bracket vertical steel plate 3 extends into the concrete upright post 9, the other end of the bracket vertical steel plate 3 is positioned on the side edge of the concrete upright post 9, the bracket transverse steel plate 1 is welded and connected to the outer top end of the bracket vertical steel plate 3, a pre-buried steel pipe 6 is arranged in the concrete upright post 9, counter-rolled deformed steel bars 5 are arranged in the pre-buried steel pipe 6, and the deformed steel bars 5 penetrate through preformed holes 22 in the bracket transverse connection steel plate 2 and are fixed through nuts 51.
Further, be equipped with steel sheet box 4 between concrete column 9 and bracket vertical steel sheet 3, steel sheet box 4 is side direction open-ended square barrel structure, and steel sheet box 4 includes roof 41, bottom plate 43, riser 44 and curb plate 42, and symmetrical arrangement about roof 41 and bottom plate 43 is connected with bilateral symmetry's curb plate 42 between roof 41 and bottom plate 43, and at roof 41, bottom plate 43 and curb plate 42's lateral end fixed connection riser 44, bracket vertical steel sheet 3 and steel sheet box 4 inside wall clearance.
Further, a plurality of concrete reinforcing net pieces 8 are further arranged on the concrete upright posts 9, two support cushion steel plates 7 are arranged above the concrete reinforcing net pieces 8, and the support cushion steel plates 7 are positioned right below the bottom plate 43 and are in contact with the bottom surface of the bottom plate 43.
Further, a horizontal bracket stiffening plate 21 is fixedly connected between the bracket vertical steel plates 3, and the side edges of the bracket stiffening plate 21 are fixedly connected with the bracket transverse connection steel plates 2.
Further, the number of the screw steels 5 is two, and the upper and lower stiffening plates 21 are symmetrically arranged.
A construction method of a steel corbel embedded structure comprises the following steps:
1. respectively blanking a top plate 41, a bottom plate 43, a vertical plate 44, a side plate 42, a bracket transverse steel plate 1, a bracket transverse connection steel plate 2, a bracket vertical steel plate 3, a bracket stiffening plate 21 and a support cushion steel plate 7 according to the designed size;
2. Welding and assembling the top plate 41, the bottom plate 43, the vertical plates 44 and the side plates 42 into a steel plate box 4;
3. Welding and assembling the bracket transverse connection steel plate 2, the bracket vertical steel plate 3 and the bracket stiffening plate 21 into a bracket assembly according to a designed structure;
4. Formwork is supported on the concrete upright post 9, and a steel plate box 4, a supporting pad steel plate 7, a concrete reinforcing net piece 8 and an embedded steel pipe 6 are put in the formwork box in advance;
5. pouring the concrete upright post 9, and respectively pouring the steel plate box 4, the support pad steel plate 7, the concrete reinforcing net piece 8 and the embedded steel pipe 6 into the concrete upright post 9;
6. Curing after the concrete pouring is completed, and removing the template after the strength reaches the requirement;
7. Installing steel corbels, inserting one end of a corbel vertical steel plate 3 into a steel plate box 4, penetrating screw steel 5 into an embedded steel pipe 6, and symmetrically fixing two ends of the screw steel 5 by nuts 51;
8. and welding and fixing the bracket transverse steel plate 1 at the top ends of the bracket transverse connecting steel plate 2 and the bracket vertical steel plate 3, and finishing the installation of the steel bracket.
Through the pre-buried steel pipe, the finish rolling deformed steel bar is penetrated, and the tension stability of the structure is ensured; the horizontal force born by the structure is borne by finish rolling deformed steel bars, the vertical force born by the structure is borne by bracket vertical steel plates, the stress of the structure is clear, and the performance of the material is fully utilized;
through the embedded steel plate box, the bracket steel plate is inserted into the embedded steel plate box, and the steel plate is used for bearing shearing force, so that the material performance is ensured to be well used;
through this pre-buried structure of steel bracket, need not cut at the template trompil, cut the damage template, the template is demolishd simply and conveniently for the template demolishs time and does not damage the template, does not cause the wasting of resources.
The present invention is not described in detail in the present application, and is well known to those skilled in the art. Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a pre-buried structure of steel bracket which characterized in that: it includes concrete column (9), bracket transverse steel board (1), bracket transverse connection steel board (2) and bracket vertical steel board (3), bracket vertical steel board (3) are two symmetrical arrangement's reverse L template column structure, welded connection is vertical bracket transverse connection steel board (2) between the middle part of bracket vertical steel board (3), the one end of bracket vertical steel board (3) stretches into in concrete column (9), the other end of bracket vertical steel board (3) is located concrete column (9) side, bracket transverse steel board (1) welded connection is on the outside top of bracket vertical steel board (3), be equipped with pre-buried steel pipe (6) in concrete column (9), there is in pre-buried steel pipe (6) to drawing finish rolling screw thread steel (5), preformed hole (22) on screw thread steel (5) pass bracket transverse connection steel board (2) are fixed through nut (51).
2. The steel corbel pre-buried structure according to claim 1, wherein: be equipped with steel sheet box (4) between concrete stand (9) and bracket vertical steel sheet (3), steel sheet box (4) are side direction open-ended square barrel structure, and steel sheet box (4) are including roof (41), bottom plate (43), riser (44) and curb plate (42), and symmetrical arrangement about roof (41) and bottom plate (43), curb plate (42) of fixedly connected with bilateral symmetry arrangement between roof (41) and bottom plate (43), at lateral end fixed connection riser (44) of roof (41), bottom plate (43) and curb plate (42), bracket vertical steel sheet (3) have the clearance with steel sheet box (4) inside wall.
3. The steel corbel pre-buried structure according to claim 2, characterized in that: the concrete column (9) is further provided with a plurality of concrete reinforcing net pieces (8), two support cushion steel plates (7) are arranged above the concrete reinforcing net pieces (8), and the support cushion steel plates (7) are located under the bottom plate (43) and are in contact with the bottom surface of the bottom plate (43).
4. The steel corbel pre-buried structure according to claim 1, wherein: still fixedly connected with horizontally bracket stiffening plate (21) between the vertical steel sheet of bracket (3), the side and the bracket transverse connection steel sheet (2) fixed connection of bracket stiffening plate (21).
5. The steel corbel pre-buried structure according to claim 1, wherein: the number of the screw-thread steel (5) is two, and the screw-thread steel is symmetrically arranged by bracket stiffening plates (21) up and down.
6. The construction method of the steel corbel embedded structure according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
Respectively blanking a top plate (41), a bottom plate (43), a vertical plate (44), side plates (42), a bracket transverse steel plate (1), a bracket transverse connection steel plate (2), a bracket vertical steel plate (3), a bracket stiffening plate (21) and a support cushion steel plate (7) according to the designed size;
welding and assembling a top plate (41), a bottom plate (43), a vertical plate (44) and side plates (42) into a steel plate box (4);
Welding and assembling the bracket transverse connection steel plate (2), the bracket vertical steel plate (3) and the bracket stiffening plate (21) into a bracket assembly according to a designed structure;
formwork is carried out on the concrete upright post (9), and a steel plate box (4), a supporting pad steel plate (7), a concrete reinforcing net piece (8) and an embedded steel pipe (6) are put into the formwork box in advance;
pouring a concrete upright post (9), and respectively pouring a steel plate box (4), a support steel plate (7), a concrete reinforcing net piece (8) and an embedded steel pipe (6) into the concrete upright post (9);
curing after the concrete pouring is completed, and removing the template after the strength reaches the requirement;
installing steel corbels, inserting one end of a corbel vertical steel plate (3) into a steel plate box (4), penetrating screw steel (5) into an embedded steel pipe (6), and symmetrically fixing two ends of the screw steel (5) by screw caps (51);
and welding and fixing the bracket transverse steel plate (1) at the top ends of the bracket transverse connecting steel plate (2) and the bracket vertical steel plate (3), and finishing the installation of the steel bracket.
CN201811564880.XA 2018-12-20 2018-12-20 Steel corbel embedded structure and construction method thereof Active CN109403456B (en)

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CN109403456B true CN109403456B (en) 2024-05-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109914851B (en) * 2019-03-12 2023-11-17 中交路桥建设有限公司 Assembled bracket for being mounted at top of steel pipe pile
CN110173042A (en) * 2019-06-20 2019-08-27 重庆中科建设(集团)有限公司 Hidden bracket, attachment base, dry method connecting node and connection method
CN110438902A (en) * 2019-07-16 2019-11-12 中交一公局第二工程有限公司 A kind of assembled load-bearing bracket
CN111441601A (en) * 2020-01-21 2020-07-24 武大巨成结构股份有限公司 Steel corbel shear key structure for jacking and storey adding
CN113136805B (en) * 2021-04-27 2022-09-13 福建省亿方建设工程有限公司 Bracket-free construction method for bent cap
CN113136806B (en) * 2021-04-29 2022-09-13 福建省亿方建设工程有限公司 Construction method of steel box bracket bent cap
CN116427733B (en) * 2023-04-24 2023-12-01 上海建工七建集团有限公司 Accurate positioning device for space curve steel stair embedded part

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CN201013008Y (en) * 2007-03-21 2008-01-30 浙江省交通规划设计研究院 Corbel of cable-stayed bridge rope tower anchorage zone
CN201746774U (en) * 2010-07-27 2011-02-16 浙江省交通规划设计研究院 Cable-stayed bridge cable tower anchorage zone steel bracket with assembled anchoring device
CN203034827U (en) * 2012-12-12 2013-07-03 河北省电力勘测设计研究院 Steel and concrete combined column structure
CN108978859A (en) * 2018-08-22 2018-12-11 沈阳建筑大学 Assembled beam-column connecting node
CN209293177U (en) * 2018-12-20 2019-08-23 中铁五局集团路桥工程有限责任公司 A kind of steel corbel pre-buried structure

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CN105113389B (en) * 2015-09-18 2017-01-25 河海大学 Assembled type bridge pier column member with steel-concrete composite structure

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Publication number Priority date Publication date Assignee Title
CN201013008Y (en) * 2007-03-21 2008-01-30 浙江省交通规划设计研究院 Corbel of cable-stayed bridge rope tower anchorage zone
CN201746774U (en) * 2010-07-27 2011-02-16 浙江省交通规划设计研究院 Cable-stayed bridge cable tower anchorage zone steel bracket with assembled anchoring device
CN203034827U (en) * 2012-12-12 2013-07-03 河北省电力勘测设计研究院 Steel and concrete combined column structure
CN108978859A (en) * 2018-08-22 2018-12-11 沈阳建筑大学 Assembled beam-column connecting node
CN209293177U (en) * 2018-12-20 2019-08-23 中铁五局集团路桥工程有限责任公司 A kind of steel corbel pre-buried structure

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