CN112227537B - Reinforced prefabricated recycled concrete beam column joint - Google Patents
Reinforced prefabricated recycled concrete beam column joint Download PDFInfo
- Publication number
- CN112227537B CN112227537B CN202011026618.7A CN202011026618A CN112227537B CN 112227537 B CN112227537 B CN 112227537B CN 202011026618 A CN202011026618 A CN 202011026618A CN 112227537 B CN112227537 B CN 112227537B
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- Prior art keywords
- bolt
- fixedly connected
- main shell
- cross beam
- connecting columns
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- 238000010008 shearing Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 7
- 230000001550 time effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- 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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a reinforced prefabricated recycled concrete beam column node which comprises a main shell, wherein two connecting columns are welded at the top end and the bottom end of the main shell, longitudinal beam rods are integrally formed on the inner side walls of the connecting columns, longitudinal beams are inserted into the connecting columns through the longitudinal beam rods, four fixing plates are welded on the front surface, the rear surface and the two side surfaces of the connecting columns, the inner sides of the fixing plates are in threaded connection with the main shell through two first bolts, four cross beam rods are integrally formed on the front surface, the rear surface and the two side surfaces of the main shell, sixteen anti-shearing fixing groups are fixedly connected to the outer surfaces of the cross beam rods, and the cross beam rods are in threaded connection with cross beams through the anti-shearing fixing groups; through the division board with the fixed plate to the main casing body with the cooperation of spliced pole, the bolt group eliminates the relative slip phenomenon between the insection that bolt group takes place under the time effect through establishing ties steel wire and mutually supporting of locking gasket, avoids appearing dangerous accident's emergence.
Description
Technical Field
The invention relates to the technical field of building supporting structure devices, in particular to a reinforced prefabricated recycled concrete beam column node.
Background
The beam-column joint refers to a cross point of a beam and a column of a frame structure in the building field, and a cross connecting piece is usually used for fixing a cross beam and a longitudinal beam at the position, so that the beam-column joint is formed. The prefabricated and regenerated concrete beam column matched with the prefabricated and regenerated concrete beam column is widely used for houses, schools and office buildings, and prestress is applied to the concrete beam or plate according to the requirement so as to be suitable for larger span; the beam column node is commonly used in large-span public buildings, multi-storey industrial plants and special-purpose buildings, such as theaters, markets, gymnasiums, railway stations, exhibition halls, shipbuilding factories, hangars, parking lots, light industrial plants and the like.
Due to the special working environment, the beam column is often pre-installed with other heavy equipment after being designed and built, which results in a large mass of the beam and a corresponding increase in shear force compared to the intersection of the frame structure beam and column. The beam column node designed by the construction standard can cause the change of the shearing stress due to the uncertain factors, and the fatigue crack and even the area increase can be generated inside under the action of time, thereby shortening the service life of the building and increasing the danger coefficient. To this end, a new type of reinforced precast recycled concrete beam column node is proposed.
Disclosure of Invention
The present invention is directed to a reinforced precast recycled concrete beam column node to solve the problems set forth in the above background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prefabricated recycled concrete beam column node of strengthening, includes the main casing body, the top and the bottom welding of the main casing body have two spliced poles, the inside wall integrated into one piece of spliced pole has the longeron pole, the spliced pole has the longeron through the grafting of longeron pole, the front surface, the rear surface and the both sides face welding of spliced pole have four fixed plates, the inboard of fixed plate is connected with main casing body screw thread through two first bolts, the front surface of the main casing body, rear surface and both sides face integrated into one piece have four crossbeam poles, the fixed group is prevented cuting by sixteen fixedly connected with of surface of crossbeam pole, the crossbeam pole has the crossbeam through preventing cuting fixed group threaded connection of group.
As further preferable in the present technical solution: the anti-shearing fixing set comprises a connecting plate, four blind holes are formed in the upper surface of the connecting plate, and the connecting plate is fixedly connected with a third bolt through the blind holes.
As further preferable in the present technical solution: the outer surface of the third bolt is sleeved with a second spring, the upper surface and the lower surface of the second spring are fixedly connected with elastic retaining rings, and the lower surface of the bolt head of the third bolt is fixedly connected with a bottom plate.
As a further preferred aspect of the present invention: the upper surface of the bottom plate is fixedly connected with a second bolt, the lower surface of a bolt head of the second bolt is fixedly connected with a stop washer, and the outer surface of the second bolt is fixedly connected with a first spring.
As further preferable in the present technical solution: the right center of the outer surface of the main shell is fixedly connected with a partition plate.
As a further preferred aspect of the present invention: and the lower surfaces of the bolt heads of the four third bolts are wound and connected with series steel wires.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the influence of shearing force is eliminated through the bolt connection of a plurality of anti-shearing fixing groups, and the dangerous accident caused by shearing the bolts is prevented; the partition plate is matched with the fixing plate to match the main shell with the connecting column, so that the corresponding connecting part can be adjusted and disassembled according to the working environment, and the requirement of meeting the fault tolerance rate is met; the bolt group eliminates the relative sliding phenomenon between the threads of the bolt group under the action of time through the mutual matching of the serial steel wires and the stop gaskets, and avoids the occurrence of dangerous accidents.
The invention perfects the defects of the prior art through fewer structures, meets the economic requirement and is convenient for large-scale production and application.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural diagram of the main housing of the present invention;
FIG. 3 is a schematic view of a split structure of the anti-shearing fixing set of the present invention;
FIG. 4 is a schematic view of the whole cross-section of the anti-shearing fixing set of the present invention;
fig. 5 is a schematic view of a ladder section structure of the shear-resistant fixing group of the present invention in cooperation with a cross beam.
In the figure: 1. a cross beam; 2. a longitudinal beam; 3. a main housing; 301. a partition plate; 302. a beam rod; 4. connecting columns; 401. a longitudinal beam rod; 5. a fixing plate; 501. a first bolt; 6. a shear prevention fixing group; 601. blind holes; 602. a stopper spacer; 603. a second bolt; 604. a third bolt; 605. a first spring; 606. a second spring; 607. a base plate; 608. connecting steel wires in series; 609. an elastic baffle ring; 610. a connecting plate.
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.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a prefabricated recycled concrete beam column node of reinforcing, including main casing body 3, main casing body 3's top and bottom welding have two spliced poles 4, the inside wall integrated into one piece of spliced pole 4 has longeron pole 401, spliced pole 4 is pegged graft through longeron pole 401 and is had longeron 2, the front surface of spliced pole 4, the rear surface has four fixed plates 5 with the both sides face welding, the inboard of fixed plate 5 is through two first bolts 501 and main casing body 3 threaded connection, main casing body 3's front surface, the rear surface has four crossbeam poles 302 with both sides face integrated into one piece, the outer fixed surface of crossbeam pole 302 is connected with sixteen and prevents shearing fixed group 6, crossbeam pole 302 has crossbeam 1 through preventing shearing fixed 6 threaded connection of group.
In this embodiment, specifically: the shearing prevention fixing group 6 comprises a connecting plate 610, four blind holes 601 are formed in the upper surface of the connecting plate 610, the connecting plate 610 is fixedly connected with third bolts 604 through the blind holes 601, and the third bolts 604 penetrate through the cross beam 1 to fix the position of the cross beam.
In this embodiment, specifically: the outer surface of the third bolt 604 is sleeved with a second spring 606, the upper surface and the lower surface of the second spring 606 are fixedly connected with an elastic baffle ring 609, the lower surface of the bolt head of the third bolt 604 is fixedly connected with a bottom plate 607, and the elastic baffle ring 609 is transmitted and dispersed by the second spring 606 under the variable shear stress of the cross beam 1, so that the occurrence of the shear stress is relieved, and the service life of the device is prolonged.
In this embodiment, specifically: the upper surface of the bottom plate 607 is fixedly connected with a second bolt 603, the lower surface of the bolt head of the second bolt 603 is fixedly connected with a stop washer 602, the outer surface of the second bolt 603 is fixedly connected with a first spring 605, the second bolt 603 passes through the cross beam 1 to fix the position of the cross beam 1, the second bolt 603 is a main shear stress absorption point, the second bolt 603 can be regarded as a relatively static object compared with the cross beam 1 under the action of the shear stress of the cross beam 1, at this time, the cross beam 1 extrudes the second bolt 603 due to the movement tendency generated by the gravity to generate elastic deformation to generate elastic force and shear force, the two forces are conducted to the bottom plate 607 through the first spring 605 to the elastic baffle ring 609, the second spring 606 transmits and disperses the variable shear stress of the elastic baffle ring 609 on the cross beam 1, the occurrence of the shear stress is relieved, and the service life of the device is prolonged.
In this embodiment, specifically: a partition plate 301 is fixedly connected to the right center of the outer surface of the main housing 3; through the partition plate 301 and the fixing plate 5, the main shell 3 and the two connecting columns 4 are matched, so that the corresponding connecting parts can be adjusted and detached according to the working environment, and the requirement of meeting the fault tolerance rate is met.
In this embodiment, specifically: the lower surfaces of the bolt heads of the four third bolts 604 are connected with the tandem steel wire 608 in a winding mode, and the tandem steel wire 608 is matched with the stop washer 602, so that the relative sliding phenomenon among threads of the bolt group under the action of time is eliminated, and the occurrence of dangerous accidents is avoided.
Working principle or structural principle: the upper surface and the lower surface of the main shell 3 are provided with two connecting columns 4 through eight fixing plates 5, the connecting columns 4 and the front surface, the rear surface and two side surfaces of the main shell 3 can be inserted with a cross beam 1 and a longitudinal beam 2 required by a building, at the moment, the cross beam 1 and the longitudinal beam 2 are fixedly connected through sixteen shear-proof fixing groups 6, a second bolt 603 in the shear-proof fixing group 6 is a main shear stress absorption point, the second bolt 603 can be approximately regarded as a relatively static object compared with the cross beam 1 under the action of the shear stress of the cross beam 1, at the moment, the second bolt 603 is extruded by the movement trend generated by the gravity of the cross beam 1, so that the second bolt 603 generates elastic deformation to generate elasticity and shear force, the two forces are conducted to a bottom plate 607 through a first spring 605 to an elastic retaining ring 609, the second spring 606 transmits and disperses the variable shear stress of the elastic retaining ring 609 on the cross beam 1 to relieve the occurrence of the shear stress, the service life of the device is prolonged; meanwhile, the serial steel wire 608 and the stop washer 602 are matched with each other, so that the relative sliding phenomenon between threads of the bolt group under the action of time is eliminated, and the occurrence of dangerous accidents is avoided.
In addition, the partition plate 301 and the fixing plate 5 are matched with the main shell 3 and the two connecting columns 4, so that the corresponding connecting parts can be adjusted and detached according to the change of working environments, and the requirements of meeting fault tolerance rate and various working environments are met. The invention perfects the defects of the prior art through fewer structures, meets the economic requirement and simultaneously can facilitate large-scale production and application.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A reinforced precast recycled concrete beam-column node, comprising a main housing (3), characterized in that: the top and the bottom of the main shell (3) are welded with two connecting columns (4), the inner side wall of each connecting column (4) is integrally formed with a longitudinal beam rod (401), each connecting column (4) is spliced with a longitudinal beam (2) through the longitudinal beam rod (401), four fixing plates (5) are welded on the front surface, the rear surface and two side faces of each connecting column (4), the inner sides of the fixing plates (5) are in threaded connection with the main shell (3) through two first bolts (501), four cross beam rods (302) are integrally formed on the front surface, the rear surface and the two side faces of the main shell (3), the outer surfaces of the cross beam rods (302) are fixedly connected with sixteen shear-preventing fixing groups (6), and the cross beam rods (302) are in threaded connection with cross beams (1) through the shear-preventing fixing groups (6); the anti-shearing fixing group (6) comprises a connecting plate (610), four blind holes (601) are formed in the upper surface of the connecting plate (610), and the connecting plate (610) is fixedly connected with a third bolt (604) through the blind holes (601); a second spring (606) is sleeved on the outer surface of the third bolt (604), an elastic retaining ring (609) is fixedly connected to the upper surface and the lower surface of the second spring (606), and a bottom plate (607) is fixedly connected to the lower surface of the bolt head of the third bolt (604); a second bolt (603) is fixedly connected to the upper surface of the bottom plate (607), a stop washer (602) is fixedly connected to the lower surface of the bolt head of the second bolt (603), and a first spring (605) is fixedly connected to the outer surface of the second bolt (603); a partition plate (301) is fixedly connected to the right center of the outer surface of the main shell (3); the lower surfaces of the bolt heads of the four third bolts (604) are wound with tandem steel wires (608).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011026618.7A CN112227537B (en) | 2020-09-25 | 2020-09-25 | Reinforced prefabricated recycled concrete beam column joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011026618.7A CN112227537B (en) | 2020-09-25 | 2020-09-25 | Reinforced prefabricated recycled concrete beam column joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112227537A CN112227537A (en) | 2021-01-15 |
| CN112227537B true CN112227537B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011026618.7A Active CN112227537B (en) | 2020-09-25 | 2020-09-25 | Reinforced prefabricated recycled concrete beam column joint |
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| CN (1) | CN112227537B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112900620B (en) * | 2021-01-22 | 2022-04-29 | 清华大学 | UHPC-based assembled combined beam-column joint and construction method thereof |
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