CN114508174B - Can replace assembled beam column node of artifical hinge - Google Patents
Can replace assembled beam column node of artifical hinge Download PDFInfo
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- CN114508174B CN114508174B CN202210166829.3A CN202210166829A CN114508174B CN 114508174 B CN114508174 B CN 114508174B CN 202210166829 A CN202210166829 A CN 202210166829A CN 114508174 B CN114508174 B CN 114508174B
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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
- E04B1/20—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
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention belongs to the field of buildings, and particularly relates to an assembly type beam-column node capable of replacing manual hinges, which comprises a prefabricated column and a prefabricated beam, wherein the prefabricated column is connected with the prefabricated column through the manual hinges; the artificial hinge comprises an upper connecting plate, an upper left end plate and an upper right end plate which are fixed on two sides of the upper connecting plate, a dog-bone type energy consumption plate, a lower left end plate and a lower right end plate which are fixed on the left side and the right side of the dog-bone type energy consumption plate, a left end plate, a right end plate, a U-shaped energy consumption plate and an arc-shaped reinforcing plate, wherein the arc-shaped reinforcing plate is fixed at the bottom of the upper connecting plate, two ends of the arc-shaped reinforcing plate are respectively fixedly connected with the upper left end plate and the upper right end plate, and the U-shaped energy consumption plate is detachably mounted at the top of the dog-bone type energy consumption plate; the artificial hinge is designed into a member which is firstly bent to protect the beam and the column from being damaged or only slightly damaged under the action of an earthquake, the using function of the structure is not influenced, the use of the beam-column joint can be recovered by replacing the U-shaped energy consumption plate after the earthquake, the function of quick repair is achieved, and the artificial hinge is suitable for further popularization and application.
Description
Technical Field
The invention relates to the field of buildings, in particular to an assembly type beam-column joint with replaceable manual hinges.
Background
With the rapid popularization of building industrialization in recent years, the application of the assembly type building is increasingly popularized. The assembly type building avoids severe construction conditions, high-intensity labor and environmental pollution of a construction site to a great extent, and has the advantages of low cost, high construction efficiency, reliable manufacturing quality, environmental protection and the like, so that the assembly type structure is widely applied to actual engineering. However, the general fabricated structure has poor ductility, so that the structural integrity is poor, and particularly, serious secondary disasters can occur under the action of a major earthquake or aftershock. Wenchuan earthquake in 2008, northeast earthquake in 2011 and Yaan earthquake investigation in 2013 show that recovery of enterprises and social activities can be rapidly recovered in earthquake-stricken areas.
Therefore, in order to further popularize and widely apply the assembled structure, the research on the assembled beam-column joint which has good integrity and high energy consumption and is convenient for quick repair after earthquake is urgently needed.
Disclosure of Invention
In order to solve the problems, the invention provides an assembly type beam-column joint capable of replacing manual hinges.
In order to solve the technical problems, the invention adopts the technical scheme that:
an assembly type beam-column node capable of replacing manual hinges comprises a prefabricated column and a prefabricated beam, wherein the prefabricated column is connected with the prefabricated column through the manual hinges;
the artificial hinge comprises an upper connecting plate, an upper left end plate, an upper right end plate, a dog bone type energy consumption plate, a lower left end plate, a lower right end plate, a left end plate, a right end plate, a U-shaped energy consumption plate and an arc reinforcing plate, wherein the upper left end plate and the upper right end plate are fixed on the two sides of the dog bone type energy consumption plate, the lower left end plate and the lower right end plate are fixed on the two sides of the upper connecting plate, the two ends of the arc reinforcing plate are fixedly connected with the upper left end plate and the upper right end plate respectively, the upper left end plate and the lateral part of the lower left end plate are provided with the left end plate, the left end plate and a prefabricated column are fixedly connected, the upper right end plate and the lateral part of the lower right end plate are provided with the right end plate, the right end plate is fixedly connected with a prefabricated beam, and the U-shaped energy consumption plate is detachably mounted at the top of the dog bone type energy consumption plate.
Furthermore, a pre-embedded anchoring piece perpendicular to the prefabricated column is arranged in a connection section of the prefabricated column and the manual hinge, a pre-embedded anchoring piece is also arranged at the tail end of the prefabricated beam, and the prefabricated beam, the prefabricated column and the pre-embedded anchoring piece inside the prefabricated beam are poured into a whole;
the left end plate, the upper left end plate, the lower left end plate, the right end plate, the upper right end plate and the lower right end plate are respectively provided with a through hole matched with the embedded anchoring piece, and the embedded anchoring pieces penetrate through the corresponding through holes and are locked and fixed with the manual hinges through nuts.
Furthermore, the connection section is cast with an embedded anchoring piece inside the connection section into a whole through the UHPC.
Furthermore, reinforcing ribs are arranged at the joints of the lower left end plate, the lower right end plate, the dog-bone-type energy dissipation plate, the upper left end plate, the upper right end plate and the upper connecting plate.
Furthermore, UHPC is poured on the top of the upper connecting plate.
Furthermore, a plurality of shear nails are fixed at the top of the upper connecting plate.
Furthermore, the middle part of U type power consumption board is the U type arch, and its both ends and dog bone formula power consumption board can be dismantled and be connected.
Furthermore, the two ends of the U-shaped energy dissipation plate are fixedly connected with the dog-bone type energy dissipation plate through high-strength bolts.
The invention has the beneficial effects that:
the invention adopts the prefabricated beam and column components, and has the advantages of low cost, high construction efficiency, reliable manufacturing quality, environmental protection and the like; the UHPC is arranged at the core area of the column node, so that the bearing capacity of the node is improved, and the design principle of a strong column, a weak beam and a strong node, a weak member is met; in addition, the artificial hinge is designed to be a member which is firstly bent to protect the beam and the column from being damaged or only slightly damaged under the action of an earthquake, the using function of the structure is not influenced, the use of the beam-column joint can be recovered by replacing the U-shaped energy consumption plate after the earthquake, the function of quick repair is achieved, and the artificial hinge is suitable for further popularization and application.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a manual hinge;
fig. 4 is an exploded view of a manual hinge.
The designations in the drawings are as follows:
prefabricating a column-1; embedding an anchoring part-2; artificial reaming-3; a precast beam-4; UHPC-31; an upper connecting plate-32; an arc-shaped reinforcing plate-33; a shear pin-34; a reinforcing rib-35; a lower right end plate-36; dog-bone-type dissipative plates-37; a U-shaped energy consumption plate-38; high-strength bolt-39; a left endplate-311; a right end plate-312; an upper left endplate-321; an upper right end plate-322; a lower left endplate-323.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawing 1, the assembly type beam column node capable of replacing manual hinges comprises a prefabricated column 1 and a prefabricated beam 4, wherein the prefabricated column 1 is connected with the prefabricated column 1 through a manual hinge 3.
Referring to fig. 2-4, the artificial hinge 3 includes an upper connecting plate 32, an upper left end plate 321 and an upper right end plate 322 welded and fixed to both sides of the upper connecting plate 32, a dog-bone energy dissipation plate 37, a lower left end plate 323 and a lower right end plate 36 fixed to both sides of the dog-bone energy dissipation plate 37, a left end plate 311, a right end plate 312, a U-shaped energy dissipation plate 38, and an arc-shaped reinforcing plate 33, wherein the arc-shaped reinforcing plate 33 is fixed to the bottom of the upper connecting plate 32, and both ends of the arc-shaped reinforcing plate 33 are welded and fixed to the upper left end plate 321 and the upper right end plate 322, respectively, for further reinforcing the strength of the upper connecting plate 32.
The side parts of the upper left end plate 321 and the lower left end plate 323 are provided with a left end plate 311, the left end plate 311 is fixedly connected with the prefabricated column 1, the side parts of the upper right end plate 322 and the lower right end plate 36 are provided with a right end plate 312, the right end plate 312 is fixedly connected with the prefabricated beam 4, the top of the dog-bone-type energy dissipation plate 37 is detachably provided with a U-shaped energy dissipation plate 38, the middle part of the U-shaped energy dissipation plate 38 is U-shaped and convex, so that a good energy dissipation effect can be achieved, and the two ends of the U-shaped energy dissipation plate 38 are fixedly connected with the dog-bone-type energy dissipation plate 37 through high-strength bolts 39, so that the U-shaped energy dissipation plate 38 can be detached and replaced.
Reinforcing ribs 35 are arranged at the joints of the lower left end plate 323, the lower right end plate 36, the dog-bone energy dissipation plate 37, the upper left end plate 321, the upper right end plate 322 and the upper connecting plate 32, so that the weld joint is prevented from being brittle and broken, and the energy dissipation plate does not play a role in dissipating energy.
According to the invention, the purpose of weakening the beam section is achieved by arranging the artificial hinge 3, plastic deformation and damage are controlled on the artificial hinge 3, and the U-shaped energy consumption plate 38 of the artificial hinge is firstly yielded under the action of an earthquake so as to protect the precast beam 4 and the precast column 1 from being damaged or only slightly damaged, and the using function of the structure is not influenced.
Because the U-shaped energy dissipation plate 38 is connected with the dog-bone type energy dissipation plate 37 through the high-strength bolt 39, the damaged U-shaped energy dissipation plate 38 can be removed after an earthquake, and the beam column joint can be recovered to be used by replacing a new U-shaped energy dissipation plate 38, so that the function of quick repair is achieved. The replacement process does not need secondary pouring, and the construction efficiency can be improved.
Referring to the attached drawings 2-3, a pre-embedded anchoring part 2 perpendicular to the precast column is arranged in a connecting section 11 of the precast column 1 and the manual hinge 3, the pre-embedded anchoring part 2 is also arranged at the tail end of the precast beam 4, and the precast beam 4, the precast column 1 and the pre-embedded anchoring part 2 in the precast beam are cast into a whole; the connection section 11 is poured into a whole with the embedded anchoring piece 2 inside the connection section through UHPC, and the UHPC is arranged at the core area of the column node so as to improve the bearing capacity of the node and accord with the design principle of a strong column, a weak beam and a strong node and a weak component.
The left end plate 311, the upper left end plate 321, the lower left end plate 323, the right end plate 312, the upper right end plate 322 and the lower right end plate 36 are all provided with through holes matched with the embedded anchoring parts 2, and the embedded anchoring parts 2 penetrate through the corresponding through holes and are locked and fixed with the manual hinges 3 through nuts. When pre-buried anchor assembly 2 is connected with artifical hinge 3, finely tune the hookup location and ensure the position accurate after, with the bolt pole that excels in on pre-buried anchor assembly 2 and pass the bolt hole of two adjacent boards in proper order to twist the nut and prevent beam column position dislocation influence intensity.
2-3, the top of the upper connecting plate 32 is poured with UHPC 31, and the UHPC 31 can further strengthen the strength of the upper connecting plate 32 at the upper end of the artificial hinge 3; therefore, the U-shaped energy dissipation plate 38 at the lower end of the artificial hinge 3 will yield first during an earthquake.
Referring to fig. 4, shear pins 34 are fixed to the top of the upper connection plate 32 to prevent the upper UHPC 31 from sliding relative to the upper connection plate 32.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An assembly type beam-column joint capable of replacing manual hinges comprises a prefabricated column (1) and a prefabricated beam (4), and is characterized in that the prefabricated column (1) is connected with the prefabricated column (1) through a manual hinge (3);
the artificial hinge (3) comprises an upper connecting plate (32), an upper left end plate (321) fixed on two sides of the upper connecting plate (32), an upper right end plate (322), a dog bone type energy consumption plate (37), a lower left end plate (323) fixed on two sides of the dog bone type energy consumption plate (37), a lower right end plate (36), a left end plate (311), a right end plate (312), a U-shaped energy consumption plate (38) and an arc reinforcing plate (33), wherein the bottom of the upper connecting plate (32) is fixed with the arc reinforcing plate (33), two ends of the arc reinforcing plate (33) are respectively fixedly connected with the upper left end plate (321) and the upper right end plate (322), the upper left end plate (321) and the side of the lower left end plate (323) are respectively provided with the left end plate (311), the left end plate (311) is fixedly connected with the prefabricated column (1), the upper right end plate (322) and the side of the lower right end plate (36) are provided with the right end plate (312), the right end plate (312) is fixedly connected with the prefabricated beam (4), and the U-shaped energy consumption plate (38) is detachably mounted on the top of the dog bone type energy consumption plate (37).
2. The assembly type beam-column joint capable of replacing manual hinges as claimed in claim 1, wherein embedded anchors (2) perpendicular to the prefabricated columns are arranged in the connection sections (11) of the prefabricated columns (1) and the manual hinges (3), the embedded anchors (2) are also arranged at the tail ends of the prefabricated beams (4), and the prefabricated beams (4) and the prefabricated columns (1) are cast with the embedded anchors (2) inside the prefabricated beams and the prefabricated columns into a whole;
all be provided with on left end board (311), upper portion left end board (321), lower part left end board (323) and right end board (312), upper portion right end board (322), lower part right end board (36) with pre-buried anchor assembly (2) matched with through-hole, pre-buried anchor assembly (2) pass and correspond the through-hole and through nut and artifical hinge (3) locking fixed.
3. The assembly type beam-column node capable of replacing artificial hinges according to claim 2 is characterized in that the connecting section (11) is integrally cast with the embedded anchoring piece (2) inside the connecting section through UHPC.
4. The assembly type beam-column node capable of replacing the artificial hinge is characterized in that reinforcing ribs (35) are arranged at the joints of the lower left end plate (323), the lower right end plate (36) and the dog-bone energy dissipation plate (37) and the upper left end plate (321), the upper right end plate (322) and the upper connecting plate (32).
5. An assembled beam-column node with replaceable artificial hinges according to claim 1, characterized in that the top of the upper connecting plate (32) is cast with UHPC (31).
6. The fabricated beam-column node capable of replacing artificial hinges as claimed in claim 5, wherein a plurality of shear nails (34) are fixed on the top of the upper connecting plate (32).
7. The assembly type beam-column joint capable of replacing the artificial hinge as claimed in claim 1, wherein the middle part of the U-shaped energy dissipation plate (38) is a U-shaped bulge, and two ends of the U-shaped energy dissipation plate are detachably connected with the dog-bone type energy dissipation plate (37).
8. The assembly type beam-column joint capable of replacing artificial hinges as claimed in claim 7, wherein two ends of the U-shaped energy dissipation plate (38) are fixedly connected with the dog-bone type energy dissipation plate (37) through high-strength bolts (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210166829.3A CN114508174B (en) | 2022-02-23 | 2022-02-23 | Can replace assembled beam column node of artifical hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210166829.3A CN114508174B (en) | 2022-02-23 | 2022-02-23 | Can replace assembled beam column node of artifical hinge |
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| Publication Number | Publication Date |
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| CN114508174A CN114508174A (en) | 2022-05-17 |
| CN114508174B true CN114508174B (en) | 2023-04-11 |
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Citations (9)
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| CN106978853A (en) * | 2017-05-05 | 2017-07-25 | 哈尔滨工业大学深圳研究生院 | A kind of controllable steel node of prefabricated assembled concrete structural plasticity |
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| KR20200090524A (en) * | 2019-01-21 | 2020-07-29 | 구자혁 | Suitable joint structure of steel column and beam on seismic design |
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| CN112942681A (en) * | 2021-03-15 | 2021-06-11 | 重庆大学 | Assembled truss concrete beam capable of being quickly replaced after earthquake |
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2022
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