CN113047429A - Rotation friction energy dissipation type self-resetting assembly type beam-column joint - Google Patents
Rotation friction energy dissipation type self-resetting assembly type beam-column joint Download PDFInfo
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- CN113047429A CN113047429A CN202110232217.5A CN202110232217A CN113047429A CN 113047429 A CN113047429 A CN 113047429A CN 202110232217 A CN202110232217 A CN 202110232217A CN 113047429 A CN113047429 A CN 113047429A
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- 210000002435 tendon Anatomy 0.000 claims abstract description 23
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 230000035939 shock Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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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
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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
- E04B1/18—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
- E04B1/22—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 with parts being prestressed
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building 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
- E04B1/62—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
- 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
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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
- E04H9/024—Structures with steel columns and beams
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a rotary friction energy-consumption type self-resetting assembly type beam column node which comprises a precast column, unbonded prestressed tendons, a precast column upper sleeve plate and a precast beam sleeve plate, wherein the side surface of the precast column is fixedly connected with the precast beam, the interior of the precast column is connected with the precast column upper sleeve plate in an embedding mode, and the interior of the precast beam is connected with the precast beam sleeve plate in an embedding mode. This rotation friction power consumption type is from restoring to throne assembled beam column node, through to assembled concrete beam column node configuration unbonded prestressing tendons and installation rotation friction attenuator, better solution the relatively poor problem of traditional assembled concrete beam column node antidetonation effect, because concrete beam column node and unbonded prestressing tendons, what adopt between the rotation friction attenuator is the mode of doing the connection, can reach the structure when using from restoring to throne and consume seismic energy's purpose, thereby further shock resistance of assurance structure, the shock resistance effect of the beam column node of using this self-restoring to throne attenuator has been improved greatly, and the practicality is stronger.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a rotating friction energy-consumption type self-resetting assembly type beam-column joint.
Background
The fabricated concrete building is a concrete structure type house building which is designed and built in a field assembly mode by mainly taking a reinforced concrete prefabricated part produced in a factory. Generally, the method is divided into two categories of fully assembled buildings and partially assembled buildings: the fully assembled building is generally a multi-storey building with low requirements for seismic fortification; the main components of a partially assembled building are generally prefabricated components which are connected on site by cast-in-place concrete to form the building with an assembled integral structure.
Most of connection modes of the existing assembly type concrete beam column node are in a direct connection mode, so that the concrete beam column node is deformed due to seismic energy in case of the earthquake occurring in the use of the structure mode of rigid connection, the integral anti-seismic effect is poor, and meanwhile, once the concrete beam column node encounters an earthquake and is deformed, the deformation of the beam column node is hardly reduced, the beam column node can not be reset, and certain limitation exists in the application process.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a rotary friction energy-consumption type self-resetting assembly type beam-column node, which solves the problems that most of the existing assembly type concrete beam-column nodes are in a direct connection mode, so that the concrete beam-column node is deformed due to earthquake energy once the concrete beam-column node is subjected to an earthquake in the use of a rigid connection structure, the integral anti-seismic effect is poor, and the deformation of the beam-column node is difficult to reduce once the concrete beam-column node is subjected to the earthquake and is deformed, the beam-column node cannot be reset, and certain limitation exists in the application.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a self-resetting assembly type beam-column node with energy consumption by rotating friction comprises a prefabricated column, unbonded prestressed ribs, a prefabricated column upper sleeve plate and a prefabricated beam sleeve plate, wherein the side surface of the prefabricated column is fixedly connected with the prefabricated beam, the inside of the prefabricated column is connected with a prefabricated column upper sleeve plate and a prefabricated column lower sleeve plate in an embedded mode, the inside of the prefabricated beam is connected with a prefabricated beam sleeve plate and a prefabricated beam bottom sleeve plate in an embedded mode, the side surface of the prefabricated column upper sleeve plate is provided with an outer connecting plate on the prefabricated column upper sleeve plate, the side surface of the prefabricated beam sleeve plate is provided with an outer connecting plate on the prefabricated beam top sleeve plate, the outer connecting plate on the prefabricated beam top sleeve plate and the outer connecting plate on the prefabricated column upper sleeve plate are mutually embedded together, the inside of the prefabricated column is provided with the unbonded prestressed ribs, the side surface of the prefabricated column is provided with a column protruding small bracket, and the side surface of the prefabricated beam is provided with a beam end flange, the side surface of the prefabricated column lower sleeve plate is fixedly connected with an outer connecting plate on the prefabricated column lower sleeve plate, the side surface of the prefabricated beam bottom sleeve plate is fixedly connected with an outer connecting plate on the prefabricated beam bottom sleeve plate, and a groove-shaped hole in the beam bottom outer connecting plate is formed in the surface of the outer connecting plate on the prefabricated beam bottom sleeve plate.
Preferably, the outer portion of the outer connecting plate on the sleeve plate at the upper portion of the precast column is provided with a through hole, the outer portion of the outer connecting plate on the sleeve plate at the top of the precast beam is provided with a groove-shaped hole on the outer connecting plate at the top of the beam, the groove-shaped hole on the outer connecting plate at the top of the beam and the through hole correspond to each other, and the groove-shaped hole on the outer connecting plate at the top of the beam is arc-shaped.
Preferably, the outer connecting plate on the sleeve plate on the upper portion of the precast column and the outer connecting plate on the sleeve plate on the top of the precast beam are connected through friction type high-strength bolts, the outer connecting plate on the sleeve plate on the top of the precast beam penetrates through a groove type hole in the outer connecting plate on the top of the beam, the friction type high-strength bolts are located outside a beam column joint, and friction plates are arranged inside the outer connecting plate on the sleeve plate on the upper portion of the precast column.
Preferably, the unbonded prestressed tendons are located inside the precast columns and the precast beams, and the outer connecting plates on the sleeve plates on the upper portions of the precast columns and the outer connecting plates on the sleeve plates on the tops of the precast beams are symmetrically distributed on two sides of the unbonded prestressed tendons.
Preferably, the number of the outer connecting plates on the sleeve plate at the upper part of the precast column is three, and the number of the outer connecting plates on the sleeve plate at the top of the precast beam is two.
(III) advantageous effects
The invention provides a rotating friction energy-consumption type self-resetting assembly type beam-column joint. The method has the following beneficial effects:
(1) the rotary friction energy-consumption type self-resetting assembly type beam-column node well solves the problem of poor anti-seismic effect of the traditional assembly type concrete beam-column node by configuring the unbonded prestressed tendon and installing the rotary friction damper for the assembly type concrete beam-column node, and can achieve the purposes of self-resetting of the structure and seismic energy consumption during application due to the fact that a dry connection mode is adopted among the concrete beam-column node, the unbonded prestressed tendon and the rotary friction damper, so that the anti-seismic performance of the structure is further guaranteed, the anti-seismic effect of the beam-column node using the self-resetting damper is greatly improved, the whole beam-column node is more reasonable, the whole structure is simple, and the practicability is strong;
(2) this rotational friction energy consumption type is from restoring to throne assembled beam column node, through combining rotational friction attenuator and unbonded prestressing tendons together, use the inside back at beam column node when the two simultaneously, under earthquake's effect, unbonded prestressing tendons can remain elasticity throughout, just so shake the back and just can reduce the residual deformation and make the component resume the normal position even, realize the structure from the effect of restoring to the throne, simultaneously because roof beam and post can take place to rotate under the earthquake action, and the friction attenuator that sets up just in time utilizes this characteristic to realize consuming the target of seismic energy, let the beam column node of having installed this from restoring to the throne attenuator can reduce the mesh that produces deformation, the functional is stronger during the application.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of a beam-column joint structure according to the present invention;
FIG. 3 is a schematic diagram of the structure of the external connection plate on the top deck of the precast beam according to the present invention;
FIG. 4 is an internal cross-sectional view of the present invention;
FIG. 5 is a schematic view of the construction of the upper deck of the precast column of the present invention;
FIG. 6 is a schematic structural view of a friction plate according to the present invention;
FIG. 7 is a schematic diagram of a precast beam sleeve structure according to the present invention;
FIG. 8 is a schematic view of the structure of the lower deck of the precast column of the present invention;
FIG. 9 is a schematic diagram of the bottom sleeve structure of the precast beam according to the present invention;
FIG. 10 is a schematic diagram of the structure of the external connection plate on the bottom sleeve plate of the precast beam according to the present invention;
FIG. 11 is a schematic view of a preformed column of the present invention;
fig. 12 is a schematic view of the structure of the precast beam of the present invention.
In the figure, a precast column-1, a precast beam-2, unbonded prestressed tendons-3, a precast column upper sleeve plate-4, a precast beam sleeve plate-5, friction type high-strength bolts-6, an outer connecting plate-7 on the precast column upper sleeve plate, an outer connecting plate-8 on the precast beam top sleeve plate, a beam column joint-9, a groove type hole-10 on the beam top outer connecting plate, a friction plate-11, a column protruding small bracket-12, a beam end flange-13, a prestressed tendon anchor-14, a precast column lower sleeve plate-15, a precast beam bottom sleeve plate-16, an outer connecting plate-17 on the precast column lower sleeve plate, an outer connecting plate-18 on the precast beam bottom sleeve plate and a groove type hole-19 on the beam bottom outer 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 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 fig. 1-3, an embodiment of the present invention provides a technical solution: a rotary friction energy-consuming type self-resetting assembly type beam-column node comprises a precast column 1, unbonded prestressed ribs 3, a precast column upper sleeve plate 4 and a precast beam sleeve plate 5, wherein the side face of the precast column 1 is fixedly connected with a precast beam 2, the inside of the precast column 1 is connected with the precast column upper sleeve plate 4 and a precast column lower sleeve plate 15 in an embedding manner, the inside of the precast beam 2 is connected with the precast beam sleeve plate 5 and a precast beam bottom sleeve plate 16 in an embedding manner, the side face of the precast column upper sleeve plate 4 is provided with an outer connecting plate 7 on the precast column upper sleeve plate, the side face of the precast beam sleeve plate 5 is provided with an outer connecting plate 8 on the precast beam top sleeve plate, the outer connecting plate 8 on the precast beam top sleeve plate and the outer connecting plate 7 on the precast column upper sleeve plate are mutually embedded together, the interior of the precast column 1 is provided with the unbonded prestressed ribs 3, the side of precast column 1 is equipped with post protrusion corbel 12, the side of precast beam 2 is equipped with beam-ends flange 13, outer connecting plate 17 on the side fixed connection precast column lower part lagging of precast column lower part lagging 15, outer connecting plate 18 on the side fixed connection precast beam bottom lagging of precast beam bottom lagging 16, groove type hole 19 on the outer connecting plate of roof beam bottom is seted up on the surface of outer connecting plate 18 on the precast beam bottom lagging, has self-resetting attenuator of special construction through the internally mounted at precast column 1 and precast beam 2, can reach the target of consuming seismic energy, lets the beam column node of having installed this self-resetting attenuator can reduce the mesh that produces deformation.
The through holes are formed in the outer portions of the outer connecting plates 7 on the prefabricated column upper portion sleeve plates, the groove-shaped holes 10 in the beam top outer connecting plates are formed in the outer portions of the outer connecting plates 8 on the prefabricated beam top sleeve plates, the groove-shaped holes 10 in the beam top outer connecting plates correspond to the through holes, the groove-shaped holes 10 in the beam top outer connecting plates are arc-shaped, the prefabricated beam sleeve plates 5 and the prefabricated column upper portion sleeve plates 4 can be reset when earthquake energy is received through the groove-shaped holes 10 in the beam top outer connecting plates, and the prefabricated column upper portion sleeve plates are high in functionality.
Adopt friction type high strength bolt 6 to connect between outer connecting plate 7 on the lagging of precast column upper portion and the outer connecting plate 8 on the lagging of precast beam top, outer connecting plate 8 on the lagging of precast beam top runs through groove type hole 10 on the outer connecting plate of roof beam top, friction type high strength bolt 6 is located the outside of beam column seam 9, the inside of outer connecting plate 7 on the lagging of precast column upper portion is equipped with friction disc 11, connects through adopting friction type high strength bolt 6, better improvement the joint strength between precast beam lagging 5 and precast column upper portion lagging 4, stability is stronger.
Unbonded prestressed tendons 3 are located the inside of precast column 1 and precast beam 2, outer connecting plate 7 on the prefabricated column upper portion lagging and outer connecting plate 8 on the precast beam top lagging of the bilateral symmetry distribution of unbonded prestressed tendons 3 are through combining unbonded prestressed tendons 3 together with from restoring to the throne the attenuator, just can reduce residual deformation after the vibrations like this and make the component resume the normal position even, realize the structure from the effect of restoring to the throne.
The quantity of the outer connecting plates 7 on the sleeve plate on the upper portion of the prefabricated column is three, the quantity of the outer connecting plates 8 on the sleeve plate on the top of the prefabricated beam is two, the quantity of the outer connecting plates 7 on the sleeve plate on the upper portion of the prefabricated column is set to be more than that of the outer connecting plates 8 on the sleeve plate on the top of the prefabricated beam, and therefore the two can be mutually meshed together, the connection stability and strength are improved, and the practicability is high.
The working principle is as follows: when the rotary friction energy-consumption type self-resetting assembly type beam-column joint is used, firstly, a precast column upper sleeve plate 4 and a precast beam sleeve plate 5 which form a self-resetting damper are assembled together, because an outer connecting plate 8 on a precast beam top sleeve plate is arranged on the side surface of the precast beam sleeve plate 5, and an outer connecting plate 7 on the precast column upper sleeve plate is arranged on the side surface of the precast column upper sleeve plate 4, the outer connecting plate 7 on the precast column upper sleeve plate and the outer connecting plate 8 on the precast beam top sleeve plate can be mutually occluded, then after the two are preliminarily assembled, a groove-shaped hole 10 on the beam top outer connecting plate is arranged on the outer connecting plate 8 on the precast beam top sleeve plate, a friction type high-strength bolt 6 can penetrate through the groove-shaped hole to complete the fixing work between the two, and then the precast column upper sleeve plate 4 and the precast beam sleeve plate 5 are respectively arranged inside a precast column 1 and a precast beam 2 to complete the construction work, meanwhile, as the unbonded prestressed ribs 3 are additionally arranged in the precast columns 1 and the precast beams 2, when the unbonded prestressed ribs 3 and the self-reset damper are combined together, the purposes of self-resetting of the structure and consumption of seismic energy can be achieved, thereby further ensuring the seismic performance of the structure, greatly improving the seismic effect of beam-column nodes applying the self-reset damper, simultaneously, the unbonded prestressed ribs 3 can always keep elasticity under the action of an earthquake, thus, the residual deformation can be reduced or even the components can be restored to the original positions after the earthquake, the self-resetting effect of the structure is achieved, meanwhile, as the beams and the columns can rotate under the action of the earthquake, the friction damper is just used for achieving the purpose of consumption of the seismic energy, the beam-column nodes provided with the self-reset damper can reduce the deformation, and the whole structure is simple, the practicability is stronger.
The invention relates to a precast column 1, a precast beam 2, unbonded prestressed tendons 3, a precast column upper sleeve plate 4, a precast beam sleeve plate 5, friction type high-strength bolts 6, an outer connecting plate 7 on the precast column upper sleeve plate, an outer connecting plate 8 on the precast beam top sleeve plate, a beam column joint 9, a groove-shaped hole 10 on the beam top outer connecting plate, a friction plate 11, a column protruding small bracket 12, a beam end flange 13, a prestressed tendon anchor 14, a precast column lower sleeve plate 15, a precast beam bottom sleeve plate 16, an outer connecting plate 17 on the precast column lower sleeve plate, an outer connecting plate 18 on the precast beam bottom sleeve plate and a groove-shaped hole 19 on the beam bottom outer connecting plate, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the invention can be known by technical manuals or conventional experimental methods, and the invention solves the problem that most connecting modes of the existing assembled concrete beam column joints are in a direct connection mode, the invention has the advantages that through the mutual combination of the components, the assembled concrete beam-column joint is provided with the unbonded prestressed tendon 3 and the rotary friction damper, because the concrete beam-column joint, the unbonded prestressed tendon 3 and the rotary friction damper are in a dry connection mode, the purposes of self-resetting of the structure and seismic energy consumption can be achieved during application, thereby further ensuring the structural performance, and greatly improving the seismic resistance effect of the beam-column joint applying the seismic self-resetting damper, simultaneously through combining rotational friction damper and unbonded prestressing tendons 3 together, after the two is used in the inside back of beam column node simultaneously, under the effect of earthquake, unbonded prestressing tendons 3 can remain elasticity throughout, just so can reduce the residual deformation after the shake and make the component resume the normal position even, realize the effect that the structure is from restoring to the throne, simultaneously because roof beam and post can take place to rotate under the earthquake action, and the friction damper who sets up just in time utilizes this characteristic to realize consuming the target of seismic energy, let the beam column node of having installed this from restoring to the throne damper can reduce the purpose that produces deformation, the functional is stronger when using.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a rotation friction power consumption type is from restoring to throne assembled beam column node which characterized in that: comprises a precast column (1), unbonded prestressed tendons (3), a precast column upper portion sleeve plate (4) and a precast column sleeve plate (5), wherein the side surface of the precast column (1) is fixedly connected with a precast beam (2), the inside of the precast column (1) is connected with a precast column upper portion sleeve plate (4) and a precast column lower portion sleeve plate (15) through an embedded mode, the inside of the precast beam (2) is connected with a precast beam sleeve plate (5) and a precast beam bottom sleeve plate (16) through an embedded mode, the side surface of the precast column upper portion sleeve plate (4) is provided with an outer connecting plate (7) on the precast column upper portion sleeve plate, the side surface of the precast beam sleeve plate (5) is provided with an outer connecting plate (8) on the precast beam top sleeve plate, the outer connecting plate (8) on the precast beam top sleeve plate and the outer connecting plate (7) on the precast column upper portion sleeve plate are mutually embedded together, the unbonded prestressed tendons (3) are arranged inside the precast column (1), the side of precast column (1) is equipped with post protrusion corbel (12), the side of precast beam (2) is equipped with beam-ends flange (13), outer connecting plate (17) on the side fixed connection precast column lower part lagging of precast column lower part lagging (15), outer connecting plate (18) on the side fixed connection precast beam bottom lagging of precast beam bottom lagging (16), groove type hole (19) on the outer connecting plate of beam bottom are seted up to the surface of outer connecting plate (18) on the precast beam bottom lagging.
2. The self-resetting fabricated beam-column joint of claim 1, wherein: the outer portion of an outer connecting plate (7) on the sleeve plate on the upper portion of the precast column is provided with a through hole, the outer portion of an outer connecting plate (8) on the sleeve plate on the top of the precast beam is provided with a groove-shaped hole (10) on the outer connecting plate on the top of the beam, the groove-shaped hole (10) on the outer connecting plate on the top of the beam and the through hole correspond to each other, and the groove-shaped hole (10) on the outer connecting plate on the top of the beam is arc-shaped.
3. The self-resetting fabricated beam-column joint of claim 1, wherein: adopt friction type high strength bolt (6) to connect between outer connecting plate (7) on the nest plate of precast column upper portion and outer connecting plate (8) on the nest plate of precast beam top, outer connecting plate (8) on the nest plate of precast beam top run through groove type hole (10) on the outer connecting plate of roof beam top, friction type high strength bolt (6) are located the outside of beam column seam (9), the inside of outer connecting plate (7) on the nest plate of precast column upper portion is equipped with friction disc (11).
4. The self-resetting fabricated beam-column joint of claim 1, wherein: unbonded prestressed tendons (3) are located the inside of precast column (1) and precast beam (2), outer connecting plate (7) on the bilateral symmetry distribution precast column upper portion lagging of unbonded prestressed tendons (3) and outer connecting plate (8) on the precast beam top lagging.
5. The self-resetting fabricated beam-column joint of claim 1, wherein: the number of the outer connecting plates (7) on the sleeve plate at the upper part of the precast column is three, and the number of the outer connecting plates (8) on the sleeve plate at the top of the precast beam is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232217.5A CN113047429A (en) | 2021-03-02 | 2021-03-02 | Rotation friction energy dissipation type self-resetting assembly type beam-column joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232217.5A CN113047429A (en) | 2021-03-02 | 2021-03-02 | Rotation friction energy dissipation type self-resetting assembly type beam-column joint |
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| CN113047429A true CN113047429A (en) | 2021-06-29 |
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|---|---|---|---|
| CN202110232217.5A Pending CN113047429A (en) | 2021-03-02 | 2021-03-02 | Rotation friction energy dissipation type self-resetting assembly type beam-column joint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457914A (en) * | 2022-01-05 | 2022-05-10 | 燕山大学 | Assembly type self-resetting friction energy-dissipation steel frame beam column joint with rotation center on flange |
| CN114753696A (en) * | 2022-04-18 | 2022-07-15 | 河南工业大学 | Assembled is from restoring to throne concrete frame node based on modularization power consumption is connected |
| CN114909011A (en) * | 2022-05-11 | 2022-08-16 | 重庆大学 | Floor damage-free replaceable assembled beam column node |
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| CN111335465A (en) * | 2020-03-20 | 2020-06-26 | 哈尔滨工业大学 | Rotatable self-resetting node connecting structure of assembled concrete beam column and assembling method |
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| CN108678166A (en) * | 2018-04-13 | 2018-10-19 | 东南大学 | A kind of Self-resetting precast concrete bean column node device of top bottom friction energy-dissipating |
| CN108442514A (en) * | 2018-04-16 | 2018-08-24 | 太原理工大学 | Add the assembled flexible concrete frame node structure of concealed damper |
| CN209874080U (en) * | 2019-04-26 | 2019-12-31 | 福州大学 | Self-heavy friction energy dissipation self-resetting beam column node |
| CN111335465A (en) * | 2020-03-20 | 2020-06-26 | 哈尔滨工业大学 | Rotatable self-resetting node connecting structure of assembled concrete beam column and assembling method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457914A (en) * | 2022-01-05 | 2022-05-10 | 燕山大学 | Assembly type self-resetting friction energy-dissipation steel frame beam column joint with rotation center on flange |
| CN114753696A (en) * | 2022-04-18 | 2022-07-15 | 河南工业大学 | Assembled is from restoring to throne concrete frame node based on modularization power consumption is connected |
| CN114753696B (en) * | 2022-04-18 | 2024-05-28 | 河南工业大学 | Assembled self-resetting concrete frame node based on modularized energy consumption connection |
| CN114909011A (en) * | 2022-05-11 | 2022-08-16 | 重庆大学 | Floor damage-free replaceable assembled beam column node |
| CN114909011B (en) * | 2022-05-11 | 2024-06-11 | 重庆大学 | Replaceable assembled beam column node free of floor damage |
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