CN112324178B - Nondestructive steel beam reinforced concrete frame and construction method thereof - Google Patents
Nondestructive steel beam reinforced concrete frame and construction method thereof Download PDFInfo
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- CN112324178B CN112324178B CN202011152978.1A CN202011152978A CN112324178B CN 112324178 B CN112324178 B CN 112324178B CN 202011152978 A CN202011152978 A CN 202011152978A CN 112324178 B CN112324178 B CN 112324178B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0244—Increasing or restoring the load-bearing capacity of building construction elements of beams at places of holes, e.g. drilled in them
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a nondestructive steel beam reinforced concrete frame and a construction method thereof, wherein the nondestructive steel beam reinforced concrete frame comprises steel clamping plates, the steel clamping plates comprise upper steel clamping plates, middle steel clamping plates and lower steel clamping plates, the upper steel clamping plates and the lower steel clamping plates are the same in structure and respectively correspond to flange connecting areas of steel beams, and the middle steel clamping plates are arranged corresponding to webs of the steel beams; the upper steel splint comprises two steel plates which are fixed on the reinforced concrete column through long screws on two sides; the U-shaped middle steel splint is fixed on the reinforced concrete column through an adhesive, one sides of the upper steel splint, the middle steel splint and the lower steel splint, which are close to the steel beam, are provided with overhanging steel plates, and the overhanging steel plates of the upper steel splint and the lower steel splint are connected with upper and lower flanges of the steel beam through connecting steel plates; the overhanging steel plate of the middle steel splint is directly connected with the web plate of the steel beam. The frame for reinforcing the reinforced concrete by the steel beams without damage and the construction method thereof strengthen the integrity of the columns when the reinforced concrete frame is reinforced, and have wide application prospect in reinforced concrete structure buildings.
Description
Technical Field
The invention relates to the technical field of node connection in building structures, in particular to a nondestructive steel beam reinforced concrete frame and a construction method thereof.
Background
In reinforced concrete building structures such as industrial plants, in order to cope with load increase caused by arrangement of machine equipment and production materials under process transformation, reinforcement treatment needs to be performed on the reinforced concrete building structures. And the steel beam is added below the reinforced concrete beam, and the steel beam is used for bearing increased load and transmitting the increased load to the column, so that an effective reinforcing measure is provided. However, the connection between the steel beam and the reinforced concrete column usually adopts a mode of perforating the column and screwing with bolts, so that the reinforced concrete column is damaged; if the number of the node bolts is too large, the performance of the reinforced concrete column can be even lost.
Disclosure of Invention
The invention aims to provide a nondestructive steel beam reinforced concrete frame and a construction method thereof, which are used for solving the problems in the prior art, strengthening the integrity of a column when the reinforced concrete frame column is reinforced and have wide application prospect in reinforced concrete structure buildings.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a nondestructive steel beam reinforced concrete frame which comprises steel clamping plates arranged on a reinforced concrete column, wherein each steel clamping plate comprises an upper steel clamping plate, a middle steel clamping plate and a lower steel clamping plate, the upper steel clamping plate and the lower steel clamping plate are the same in structure and are respectively arranged corresponding to the upper flange and the lower flange of a steel beam, and the middle steel clamping plate is arranged corresponding to a web plate of the steel beam; the upper steel splint comprises two steel plates, the two steel plates are fixed on the reinforced concrete column through long screws on two sides, and the two steel plates of the lower steel splint are also fixed on the reinforced concrete column through long screws on two sides; the U-shaped middle steel splint is fixed on the reinforced concrete column through an adhesive, overhanging steel plates are arranged on one sides, close to the steel beam, of the upper steel splint, the middle steel splint and the lower steel splint, and the overhanging steel plates in the upper steel splint and the lower steel splint are connected with upper flanges and lower flanges of the steel beam through connecting steel plates; the overhanging steel plate in the middle steel splint is directly connected with the web plate of the steel beam.
Preferably, a triangular steel rib plate is arranged in a corner area formed by the upper steel clamping plate and the reinforced concrete column; and a triangular steel rib plate is also arranged at a corner area formed by the lower steel clamping plate and the reinforced concrete column.
Preferably, the steel plates on the sides, close to the steel beam, of the upper steel clamping plate and the lower steel clamping plate are respectively provided with the horizontal overhanging steel plates, and the horizontal overhanging steel plates are connected with the upper flange and the lower flange of the steel beam through the connecting steel plates.
Preferably, one side of the middle steel splint, which is close to the steel beam, is provided with the vertical overhanging steel plate, and the vertical overhanging steel plate is directly connected with the web plate of the steel beam.
Preferably, the vertical overhanging steel plate is welded with an upper flange and a lower flange.
Preferably, a steel pier is arranged between the steel beam and the reinforced concrete beam on the top of the steel beam in a cushioning mode.
The invention also provides a construction method of the nondestructive steel beam reinforced concrete frame, which is applied to the nondestructive steel beam reinforced concrete frame and comprises the following steps:
(1) A factory prefabricating stage: firstly, designing a steel clamping plate according to the thickness of a steel beam and the section size of a reinforced concrete column and welding steel plates; then, welding triangular steel rib plates at the corner areas of the upper steel clamping plate and the lower steel clamping plate for reinforcing; then, determining the positions of the long screws on the upper steel clamping plate and the lower steel clamping plate corresponding to the connecting bolts, and completing drilling; finally, welding the steel pier at a preset position on the top of the steel beam;
(2) And (3) field construction: firstly, erecting a formwork and jacking a steel beam by a jack so as to ensure that the steel beam is reliably contacted with a reinforced concrete beam; then, positioning the steel clamping plate according to the positions of the flange and the web of the steel beam, and fixing the steel clamping plate on the reinforced concrete column through a long screw or an adhesive; and then, the overhanging steel plates are respectively connected with the flanges or the webs of the steel beams through bolts by virtue of the connecting steel plates, and the construction of reinforcing the reinforced concrete frame by the steel beams is completed.
Compared with the prior art, the invention has the following beneficial technical effects:
the novel nondestructive steel beam reinforced concrete frame and the construction method thereof provided by the invention have the outstanding characteristics that the steel clamping plates at the connecting area are fixed on the column in a mode of applying pretightening force or sticking, so that the nondestructive connection of the steel beams and the reinforced concrete column is ensured, and the column is prevented from being damaged by bolt perforation. The invention enhances the integrity of the reinforced concrete frame column during the reinforcement, and has wide application prospect in reinforced concrete structure buildings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a beam-column connection elevation;
FIG. 2 is a detailed structural view of a connection node of a reinforced concrete column and an additional steel beam;
FIG. 3 and FIG. 4 are detail construction diagrams of a flange area and a web area steel splint in a connection node respectively;
FIG. 5 is a perspective view and a plan view of an I-shaped steel pier with a cover plate;
in the figure: 1-a reinforced concrete column; 2-reinforced concrete beam; 3-a steel beam; 4-flange connection zone; 5-web connection zone; 6-steel splint; 7-overhanging steel plate; 8-connecting steel plates; 9-triangular steel rib plates; 10-long screw; 11-bolts; 12-steel pier.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention aims to provide a nondestructive steel beam reinforced concrete frame and a construction method thereof, which are used for solving the problems in the prior art, strengthening the integrity of a column when the reinforced concrete frame column is reinforced and have wide application prospect in reinforced concrete structure buildings.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
As shown in fig. 1-5, the present embodiment provides a frame for reinforcing reinforced concrete with non-destructive steel beams, and the reinforced concrete column 1 has three connection areas formed by steel clamping plates 6, which correspond to the flanges and webs of the steel beams 3, respectively, as shown in fig. 1 and 2. In the flange connection area 4, two upper steel clamping plates or two lower steel clamping plates are fixed on the reinforced concrete column 1 through long screws 10 on two sides, so that the axial force of the flanges of the steel beam 3 can be reliably transmitted to the reinforced concrete column 1, as shown in fig. 2; the corner formed by the upper steel clamping plate (or the lower steel clamping plate) and the reinforced concrete column 1 is reinforced by a triangular steel rib plate 9, so that the steel clamping plate 6 has enough rigidity, as shown in fig. 3. In web joining region 5, well steel splint pass through the adhesive to be fixed on reinforced concrete column 1, guarantee that the shear force of 3 webs of girder steel can transmit reinforced concrete column 1 reliably, as shown in fig. 2, 4.
Every joining region all has an overhanging steel sheet 7 in girder steel 3 one side, and this overhanging steel sheet 7 can carry out bolted connection with the flange and the web of girder steel 3 respectively with the help of connecting plate 8, guarantees girder steel 3 and joining region reliable connection, as figure 3, figure 4. Wherein, the overhanging steel plate 7 of the web connecting area 5 is welded with upper and lower flanges for improving the out-of-plane stability of the overhanging steel plate 7, as shown in fig. 4.
In addition, it has steel mound 12 to fill up between girder steel 3 and reinforced concrete roof beam 2, guarantees girder steel 3 and reinforced concrete roof beam 2 reliable contacts, can effectively share the load on the reinforced concrete roof beam 2, like fig. 1, fig. 2.
The construction method of the nondestructive steel beam reinforced concrete frame comprises the following steps:
(1) And (5) a factory prefabrication stage. Firstly, according to the thickness of a steel beam 3 and the section size of a reinforced concrete column 1, a steel clamping plate 6 is designed and welded with a steel plate. Then, the triangular steel rib plates 9 are welded to the corner regions of the upper and lower steel plates at the flange connecting regions 4 to reinforce them. Then, the position of the long screw 10 corresponding to the connecting bolt 11 on the connecting area is determined and the drilling is completed. Finally, the steel pier 12 is welded to the top of the steel beam 3 at a predetermined position.
(2) And (5) field construction. Firstly, a formwork is supported and a steel beam 3 is jacked up by means of a jack, so that the steel beam is reliably contacted with a reinforced concrete beam 2. And then, positioning the steel splint 6 according to the positions of the flange and the web plate of the steel beam 3, and fixing the steel splint on the reinforced concrete column 1 through a long screw 10 or an adhesive. And then, the overhanging steel plates 7 of the connecting area are respectively connected with the flanges or the webs of the steel beam 3 through the connecting steel plates 8 by bolts, and the construction of the reinforced concrete frame column reinforced by the steel beam is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claims.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. A construction method of a nondestructive steel beam reinforced concrete frame is characterized in that the nondestructive steel beam reinforced concrete frame comprises steel clamping plates arranged on a reinforced concrete column, the steel clamping plates comprise an upper steel clamping plate, a middle steel clamping plate and a lower steel clamping plate, the upper steel clamping plate and the lower steel clamping plate are identical in structure and respectively arranged corresponding to an upper flange and a lower flange of a steel beam, and the middle steel clamping plate is arranged corresponding to a web plate of the steel beam; the upper steel splint comprises two steel plates, the two steel plates are fixed on the reinforced concrete column through long screws on two sides, and the two steel plates of the lower steel splint are also fixed on the reinforced concrete column through long screws on two sides; the U-shaped middle steel splint is fixed on the reinforced concrete column through an adhesive, one sides of the upper steel splint, the middle steel splint and the lower steel splint, which are close to the steel beam, are provided with overhanging steel plates, and the overhanging steel plates of the upper steel splint and the lower steel splint are connected with the upper flange and the lower flange of the steel beam through connecting steel plates; the overhanging steel plate of the middle steel splint is directly connected with the web plate of the steel beam, and a steel pier is arranged between the steel beam and the reinforced concrete beam at the top of the steel beam in a cushioning manner; the construction method comprises the following steps:
(1) And (3) prefabrication stage of a factory: firstly, designing a steel clamping plate according to the thickness of a steel beam and the section size of a reinforced concrete column and welding steel plates; then, welding triangular steel rib plates at the corner areas of the upper steel clamping plate and the lower steel clamping plate for reinforcement; then, determining the positions of the upper long screws of the upper steel clamping plate and the lower steel clamping plate corresponding to the connecting bolts, and completing drilling; finally, welding the steel pier at a preset position on the top of the steel beam;
(2) And (3) field construction stage: firstly, erecting a formwork and jacking a steel beam by virtue of a jack so as to ensure that the steel beam is reliably contacted with a reinforced concrete beam; then, positioning the steel clamping plate according to the positions of the flange and the web of the steel beam, and fixing the steel clamping plate on the reinforced concrete column through a long screw or an adhesive; and then, the overhanging steel plates are respectively connected with the flanges or the webs of the steel beams through bolts by virtue of the connecting steel plates, and the construction of reinforcing the reinforced concrete frame by the steel beams is completed.
2. The construction method of the damage-free steel beam reinforced concrete frame according to claim 1, wherein: a triangular steel rib plate is arranged at a corner area formed by the upper steel clamping plate and the reinforced concrete column; and a triangular steel rib plate is also arranged at a corner area formed by the lower steel clamping plate and the reinforced concrete column.
3. The construction method of the damage-free steel beam reinforced concrete frame according to claim 1, wherein: the steel plates on one sides, close to the steel beam, of the upper steel clamping plate and the lower steel clamping plate are provided with horizontal overhanging steel plates, and the horizontal overhanging steel plates are connected with the upper flange and the lower flange of the steel beam through connecting steel plates.
4. The construction method of the damage-free steel beam reinforced concrete frame according to claim 1, wherein: one side of the middle steel splint, which is close to the steel beam, is provided with a vertical overhanging steel plate, and the vertical overhanging steel plate is directly connected with a web plate of the steel beam.
5. The construction method of the damage-free steel beam reinforced concrete frame according to claim 4, wherein: and an upper flange and a lower flange are welded on the vertical overhanging steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011152978.1A CN112324178B (en) | 2020-10-26 | 2020-10-26 | Nondestructive steel beam reinforced concrete frame and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011152978.1A CN112324178B (en) | 2020-10-26 | 2020-10-26 | Nondestructive steel beam reinforced concrete frame and construction method thereof |
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| CN112324178A CN112324178A (en) | 2021-02-05 |
| CN112324178B true CN112324178B (en) | 2023-02-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113494154B (en) * | 2021-07-27 | 2022-09-09 | 浙江正匠建设工程有限公司 | Concrete beam and construction method thereof |
| IT202200011336A1 (en) * | 2022-05-30 | 2023-11-30 | Kerakoll S P A | METHOD AND KIT FOR THE REINFORCEMENT OF A REINFORCED BEAM-COLLAR NODE |
| CN116181073B (en) * | 2023-02-10 | 2023-10-10 | 新疆川涛建设工程有限公司 | Reinforced node member for supporting and reinforcing concrete prefabricated frame steel bar structure and reinforcing method |
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| JP2001288823A (en) * | 2000-04-06 | 2001-10-19 | Nippon Steel Corp | Joining part reinforcing structure for column and beam |
| JP2002004425A (en) * | 2000-06-20 | 2002-01-09 | Sumitomo Metal Ind Ltd | Column-to-beam joint, rolled h-shaped steel for column and method of manufacturing it |
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| CN208137146U (en) * | 2018-01-11 | 2018-11-23 | 山东大学 | Replaceable assembly concrete beam-column connection based on Damage Coutrol |
| CN211257341U (en) * | 2019-10-14 | 2020-08-14 | 山东科技大学 | Rigid reinforced connection joint of circular steel tube concrete column and I-shaped steel beam |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108532759B (en) * | 2018-04-20 | 2019-09-17 | 青岛理工大学 | Ring plate splicing type hollow interlayer concrete filled steel tube combined node and mounting method |
| CN109537930A (en) * | 2018-11-30 | 2019-03-29 | 北京市建筑工程研究院有限责任公司 | A kind of the steel node and anchoring process of concrete beam strengthening anchoring |
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- 2020-10-26 CN CN202011152978.1A patent/CN112324178B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001288823A (en) * | 2000-04-06 | 2001-10-19 | Nippon Steel Corp | Joining part reinforcing structure for column and beam |
| JP2002004425A (en) * | 2000-06-20 | 2002-01-09 | Sumitomo Metal Ind Ltd | Column-to-beam joint, rolled h-shaped steel for column and method of manufacturing it |
| CN102493553A (en) * | 2011-12-09 | 2012-06-13 | 清华大学 | Member for connection node of reinforced beam and steel beam and construction method thereof |
| CN103255841A (en) * | 2013-05-31 | 2013-08-21 | 江苏科技大学 | Assembly-type concrete column-steel beam overhanging end plate type node connecting device |
| CN208137146U (en) * | 2018-01-11 | 2018-11-23 | 山东大学 | Replaceable assembly concrete beam-column connection based on Damage Coutrol |
| CN211257341U (en) * | 2019-10-14 | 2020-08-14 | 山东科技大学 | Rigid reinforced connection joint of circular steel tube concrete column and I-shaped steel beam |
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| CN112324178A (en) | 2021-02-05 |
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