CN114855993A - Assembled H-shaped steel structure beam-column joint with anti-seismic and self-resetting functions and construction method thereof - Google Patents
Assembled H-shaped steel structure beam-column joint with anti-seismic and self-resetting functions and construction method thereof Download PDFInfo
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- CN114855993A CN114855993A CN202210567985.0A CN202210567985A CN114855993A CN 114855993 A CN114855993 A CN 114855993A CN 202210567985 A CN202210567985 A CN 202210567985A CN 114855993 A CN114855993 A CN 114855993A
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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
- 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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the technical field of structural engineering, and discloses an assembled H-shaped steel structure beam-column joint with earthquake-proof and self-resetting functions and a construction method thereof, wherein the assembled H-shaped steel structure beam-column joint comprises the following steps: the device comprises a vertical column and a transverse H-shaped cross beam, wherein the vertical column is vertically arranged; the L-shaped bracket is arranged on any side surface of the stand column and comprises a first connecting part which is vertically arranged, a second connecting part which is transversely arranged on one side of the first connecting part and mounting cavities which are respectively arranged in the first connecting part and the second connecting part, first mounting holes are formed in the top of the first connecting part and the bottom of the second connecting part, the first mounting holes are vertically arranged at one end far away from the stand column, a plurality of positioning holes are transversely arranged on one side of the mounting cavity far away from the stand column, and a limiting mechanism is arranged at one end, close to the L-shaped bracket, of the H-shaped cross beam; the limiting mechanism is attached to the L-shaped bracket and fixed on the L-shaped bracket in a lap joint mode, the splicing seams of the L-shaped bracket and the L-shaped bracket are Z-shaped, and the upper portion and the lower portion of each Z-shaped splicing seam are fixed through the connecting plates.
Description
Technical Field
The invention relates to the technical field of structural engineering, in particular to an assembled H-shaped steel structure beam-column joint with earthquake-proof and self-resetting functions and a construction method thereof.
Background
At present, an assembled frame structure generally adopts a superposed beam, not only is supporting and auxiliary installation needed, but also wet operation is carried out on site, and the construction is complicated;
for the traditional steel structure connecting joint, part of the connecting joint needs to be welded during installation, the construction quality is not easy to guarantee, air is polluted, most of the connecting joint needs to be supported for auxiliary installation or a crane needs to wait for steel beam installation for a long time, and the construction efficiency is low;
for partial tongue-and-groove dry type connecting frame beam column joints, on-site welding connection is generally adopted, so that the construction quality is not easy to guarantee, and air is polluted; therefore, the invention is born.
Disclosure of Invention
The application provides an assembled H-shaped steel structure beam column node with anti-seismic and self-resetting functions and a construction method thereof, and aims to solve the problems that an existing assembled beam column is multiple in process of installation, needs to be welded and needs to be provided with a beam bottom support in the construction process.
In order to solve the technical problem, the application provides an assembled type H-shaped steel structure beam column node with anti-seismic and self-resetting functions and a construction method thereof, and the assembled type H-shaped steel structure beam column node comprises the following steps: the H-shaped upright posts are vertically arranged and the cross beams are transversely arranged; the L-shaped bracket is arranged on any side surface of the stand column and comprises a first connecting part which is vertically arranged, a second connecting part which is transversely arranged on one side of the first connecting part and mounting cavities which are respectively arranged in the first connecting part and the second connecting part, first mounting holes are formed in the top of the first connecting part and the bottom of the second connecting part, the first mounting holes are vertically arranged at one end far away from the stand column, a plurality of positioning holes are transversely arranged on one side of the mounting cavity far away from the stand column, and a limiting mechanism is arranged at one end, close to the L-shaped bracket, of the H-shaped cross beam; the limiting mechanism is attached to the L-shaped bracket and is fixedly connected to the L-shaped bracket in a lap joint mode, the splicing seams of the L-shaped bracket and the L-shaped bracket are Z-shaped, and the upper portion and the lower portion of each Z-shaped splicing seam are fixed through connecting plates; stop gear includes to the first spacing portion that extends of first connecting portion, to the direction of keeping away from the second connecting portion sunken, the spacing portion of second of being connected with the second connecting portion, sets up respectively in the spacing chamber in first spacing portion and the spacing portion of second, first spacing portion and the spacing portion of second are provided with a plurality of spacing holes with first connecting portion and the relative one side of second connecting portion, the second mounting hole has all been seted up to the top of first spacing portion and the bottom of the spacing portion of second, the second mounting hole sets up in the one end that is close to L type bracket.
In some embodiments of this application, the inside sunken logical length in top of second connecting portion is provided with the constant head tank, the bottom of first spacing portion is protruding downwards, to the orientation that is close to L type bracket lead to long being provided with the location strip, constant head tank and location strip looks adaptation, the location strip is extended by the outside of second connecting portion and is embedded into to the constant head tank in.
In some embodiments of this application, first fastening bolt and second fastening bolt wear to be equipped with in locating hole and the spacing hole, interval sets up about first fastening bolt and the second fastening bolt, be provided with the pre-compaction spring on first fastening bolt and the second fastening bolt in first spacing portion and the spacing portion of second, the inner wall butt of gasket and first spacing portion and the spacing portion of second is passed through to one side of pre-compaction spring, and the opposite side screws up through the nut and carries out applying of pre-compaction spring pre-compaction, the pre-compaction spring is used for making L type bracket and H type crossbeam reset.
In some embodiments of this application, be provided with the connecting plate on first mounting hole and the second mounting hole, be provided with a plurality of connecting holes on the connecting plate, connecting hole and first mounting hole and second mounting hole one-to-one through bolted connection, the surface of connecting plate, and L type bracket and H type crossbeam are the rough surface with the corresponding surface of connecting plate to be used for respectively to L type bracket and transversely produce the friction, consume kinetic energy.
In some embodiments of this application, first mounting hole and second mounting hole set up to two sets of along the width direction of L type bracket and H type crossbeam respectively, and interval setting about two sets of first mounting holes and two sets of second mounting holes are, and every first mounting hole of group and second mounting hole all include four bolt holes.
In some embodiments of the present application, one end of the second fastening bolt passes through the second connecting portion and is fixed in the mounting cavity of the first connecting portion, and the other end extends into the limiting cavity of the second limiting portion.
In some embodiments of the application, a construction method of an assembled beam-column joint of an H-shaped steel structure with earthquake-resistant and self-resetting functions comprises the following specific steps:
A. the L-shaped bracket and the upright column are prefabricated into a whole according to design specifications, the L-shaped bracket is positioned on the side surface of the upright column, first mounting holes are formed in the top of the first connecting part of the L-shaped bracket and the bottom of the second connecting part, a positioning hole is formed in one side, away from the upright column, of the L-shaped bracket, and a positioning groove is formed in the top of the second connecting part;
B. prefabricating an H-shaped cross beam, selecting a limiting mechanism according to design rules, arranging the limiting mechanism at one end of the H-shaped cross beam, arranging limiting holes at one sides of a first limiting part and a second limiting part, which are opposite to a first connecting part and a second connecting part, and corresponding to connecting ends of positioning holes, arranging second mounting holes at the top of the first limiting part and the bottom of the second limiting part, and arranging positioning strips at the bottom of the second limiting part in a downward protruding manner;
C. prefabricating a connecting plate, treating the surface of the connecting plate into a rough surface according to design rules, and arranging connecting holes corresponding to the first mounting holes and the second mounting holes according to the number, the size and the spacing distance of the first mounting holes and the second mounting holes;
D. the on-site installation, after the stand is fixed to be accomplished, hoist H type crossbeam to the position of L type bracket, make the location strip imbed in the constant head tank, fixed with L type bracket and H type crossbeam through fastening bolt, at the top and the bottom erection joint board of L type bracket and H type crossbeam, above-mentioned installation complete dry type is connected, and the support is exempted from to the beam bottom work progress.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention connects the L-shaped bracket with the cross beam through the tongue-and-groove type connection without supporting auxiliary installation, the connection between the upright post and the cross beam is stable through arranging the first connecting part and the second connecting part, the connection position between the upright post and the cross beam is ensured to be accurate through arranging the first limiting part and the second limiting part and matching the first connecting part and the second connecting part, the integral stability is enhanced through arranging the first positioning hole, the second positioning hole and the connecting plate, the installation is convenient and the stability of the connection between the upright post and the cross beam is enhanced through arranging a plurality of positioning plates, the invention has no wet operation on site, does not need welding, improves the construction efficiency, does not cause air pollution, can produce better effect when being popularized and used, consumes energy through friction under the action of earthquake, has definite energy consumption mechanism and small plastic deformation of materials, the material damage is little, and prepressing spring realizes self-resetting under the earthquake action, need not the loaded down with trivial details construction of stretch-draw prestressing force and realizes structure self-resetting performance, and direct replacement connecting plate can realize quick restoration after the earthquake.
Drawings
FIG. 1 is a schematic installation view of an embodiment of the present invention;
FIG. 2 is a schematic view of a fastening bolt according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a column according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an H-shaped beam according to an embodiment of the present invention;
FIG. 5 is a schematic side view of a spacing mechanism according to an embodiment of the invention;
FIG. 6 is a schematic top view of a web according to an embodiment of the present invention;
fig. 7 is a schematic top view of a pillar according to an embodiment of the present invention.
In the figure, 100, a column; 200. an H-shaped beam; 300. l-shaped corbels; 310. a first connection portion; 320. a second connecting portion; 321. positioning a groove; 330. a mounting cavity; 331. positioning holes; 340. a first mounting hole; 400. a limiting mechanism; 410. a first limiting part; 411. a positioning bar; 420. a second limiting part; 430. a limiting cavity; 440. a limiting hole; 450. a second mounting hole; 500. a first fastening bolt; 600. a second fastening bolt; 700. pre-pressing a spring; 800. a connecting plate; 810. and connecting the holes.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 to 7, according to some embodiments of the present application, a fabricated H-beam structural beam-column node having earthquake-proof and self-resetting functions and a construction method thereof includes: the H-shaped upright posts 100 are vertically arranged, and the cross beams are transversely arranged; an L-shaped bracket 300 is arranged on any side surface of the upright post 100, the L-shaped bracket 300 comprises a first connecting part 310 which is vertically arranged, a second connecting part 320 which is transversely arranged on one side of the first connecting part 310, and mounting cavities 330 which are respectively arranged in the first connecting part 310 and the second connecting part 320, first mounting holes 340 are respectively formed in the top of the first connecting part 310 and the bottom of the second connecting part 320, the first mounting holes 340 are vertically arranged at one end far away from the upright post 100, a plurality of positioning holes 331 are transversely arranged on one side of the mounting cavity 330 far away from the upright post 100, and a limiting mechanism 400 is arranged at one end, close to the L-shaped bracket 300, of the H-shaped cross beam 200; the limiting mechanism 400 is attached to the L-shaped bracket 300 and is fixedly connected to the L-shaped bracket 300 in a lap joint mode, the splicing seams of the two L-shaped brackets are Z-shaped, and the upper portion and the lower portion of each Z-shaped splicing seam are fixed through the connecting plate 800; the limiting mechanism 400 comprises a first limiting portion 410 extending towards the first connecting portion 310, a second limiting portion 420 recessed towards the direction away from the second connecting portion 320, and a limiting cavity 430 arranged in the first limiting portion 410 and the second limiting portion 420 respectively, wherein a plurality of limiting holes 440 are formed in one side, opposite to the first connecting portion 310 and the second connecting portion 320, of the first limiting portion 410 and the second limiting portion 420, a second mounting hole 450 is formed in the top of the first limiting portion 410 and the bottom of the second limiting portion 420, and the second mounting hole 450 is arranged at one end close to the L-shaped bracket 300.
According to some embodiments of the present application, the top of the second connecting portion 320 is recessed inwards and provided with a positioning groove 321, the bottom of the first limiting portion 410 is raised downwards and provided with a positioning bar 411 to the direction close to the L-shaped corbel 300, the positioning groove 321 is matched with the positioning bar 411, and the positioning bar 411 is extended from the outer side of the second connecting portion 320 and embedded into the positioning groove 321.
According to some embodiments of the present application, a first fastening bolt 500 and a second fastening bolt 600 are inserted into the positioning hole 331 and the limiting hole 440, the first fastening bolt 500 and the second fastening bolt 600 are arranged at an interval from top to bottom, a pre-pressure spring 700 is arranged on the first fastening bolt 500 and the second fastening bolt 600 in the first limiting portion 410 and the second limiting portion 420, one side of the pre-pressure spring 700 is abutted to the inner walls of the first limiting portion 410 and the second limiting portion 420 through a gasket, the other side of the pre-pressure spring 700 is applied through nut tightening, and the pre-pressure spring 700 is used for resetting the L-shaped corbel 300 and the H-shaped beam 200.
Here, the compression length of the pre-compression spring 700 is obtained by calculating the pre-compression force of the pre-compression spring 700 to be applied, and the pre-compression is performed by tightening the nut. The pre-pressing spring 700 realizes the self-resetting of the node after the earthquake action of the L-shaped bracket 300 and the H-shaped beam 200 occurs.
According to some embodiments of the present application, the first mounting hole 340 and the second mounting hole 450 are provided with a connecting plate 800, the connecting plate 800 is provided with a plurality of connecting holes 810, the connecting holes 810 correspond to the first mounting hole 340 and the second mounting hole 450 in a one-to-one manner, and the surfaces of the connecting plate 800, and the surfaces of the L-shaped bracket 300 and the H-shaped beam 200 corresponding to the connecting plate 800 are rough surfaces for generating friction and consuming kinetic energy respectively for the L-shaped bracket 300 and the transverse direction through bolt connection.
It should be noted that the surface of the connecting plate 800, and the surfaces of the L-shaped bracket 300 and the H-shaped beam 200 contacting the connecting plate 800 are roughened, and can slide under the action of an earthquake, so that friction energy dissipation under the action of the earthquake is realized.
According to some embodiments of the present application, the first mounting holes 340 and the second mounting holes 450 are respectively disposed in two sets along the width direction of the L-shaped bracket 300 and the H-shaped beam 200, the two sets of first mounting holes 340 and the two sets of second mounting holes 450 are both disposed at intervals left and right, and each set of first mounting holes 340 and second mounting holes 450 includes four bolt holes.
According to some embodiments of the present application, one end of the second fastening bolt 600 passes through the second connection portion 320 and is fixed in the installation cavity 330 of the first connection portion 310, and the other end extends into the limiting cavity 430 of the second limiting portion 420.
According to some embodiments of the application, a construction method of an assembled H-shaped steel structure beam-column joint with earthquake-proof and self-resetting functions comprises the following specific steps:
A. prefabricating the upright 100, prefabricating an L-shaped bracket 300 and the upright 100 into a whole according to design rules, wherein the L-shaped bracket 300 is positioned on the side surface of the upright 100, a first mounting hole 340 is formed in the top of a first connecting part 310 of the L-shaped bracket 300 and the bottom of a second connecting part 320, a positioning hole 331 is formed in one side, far away from the upright 100, of the L-shaped bracket 300, and a positioning groove 321 is formed in the top of the second connecting part 320;
B. prefabricating an H-shaped cross beam 200, selecting a limiting mechanism 400 according to design rules, arranging the limiting mechanism 400 at one end of the H-shaped cross beam 200, arranging a limiting hole 440 at one side of a first limiting part 410 and a second limiting part 420 opposite to a first connecting part 310 and a second connecting part 320 and at the connecting end corresponding to a positioning hole 331, arranging a second mounting hole 450 at the top of the first limiting part 410 and the bottom of the second limiting part 420, and arranging a positioning strip 411 at the bottom of the second limiting part 420 in a downward protruding manner;
C. prefabricating a connecting plate 800, processing the surface of the connecting plate 800 into a rough surface according to design rules, and arranging connecting holes 810 corresponding to the first mounting holes 340 and the second mounting holes 450 according to the number, the size and the spacing distance of the first mounting holes and the second mounting holes;
D. the method comprises the steps of field installation, after the upright 100 is fixed, hoisting the H-shaped cross beam 200 to the position of the L-shaped bracket 300, enabling the positioning strip 411 to be embedded into the positioning groove 321, fixing the L-shaped bracket 300 and the H-shaped cross beam 200 through fastening bolts, and installing the connecting plates 800 at the tops and the bottoms of the L-shaped bracket 300 and the H-shaped cross beam 200, wherein the installation processes are completely connected in a dry mode, and the beam bottom construction process is free of support.
To sum up, the invention relates to the technical field of structural engineering and discloses an assembled beam-column joint with an anti-seismic and self-resetting function and a construction method thereof, wherein the assembled beam-column joint comprises the following steps: the device comprises a vertical column and a transverse H-shaped cross beam, wherein the vertical column is vertically arranged; the L-shaped bracket is arranged on any side surface of the stand column and comprises a first connecting part which is vertically arranged, a second connecting part which is transversely arranged on one side of the first connecting part and mounting cavities which are respectively arranged in the first connecting part and the second connecting part, first mounting holes are formed in the top of the first connecting part and the bottom of the second connecting part, the first mounting holes are vertically arranged at one end far away from the stand column, a plurality of positioning holes are transversely arranged on one side of the mounting cavity far away from the stand column, and a limiting mechanism is arranged at one end, close to the L-shaped bracket, of the H-shaped cross beam; the limiting mechanism is attached to the L-shaped bracket and fixed on the L-shaped bracket in a lap joint mode, the splicing seams of the L-shaped bracket and the L-shaped bracket are Z-shaped, and the upper portion and the lower portion of each Z-shaped splicing seam are fixed through the connecting plates.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an assembled H shaped steel structure beam column node with antidetonation and from reset function, includes: the device comprises a vertical column (100) and a transverse H-shaped cross beam (200); the novel vertical column structure is characterized in that an L-shaped bracket (300) is arranged on any side face of the vertical column (100), the L-shaped bracket (300) comprises a first connecting portion (310) which is vertically arranged, a second connecting portion (320) which is transversely arranged on one side of the first connecting portion (310), and mounting cavities (330) which are respectively arranged in the first connecting portion (310) and the second connecting portion (320), first mounting holes (340) are formed in the top of the first connecting portion (310) and the bottom of the second connecting portion (320), the first mounting holes (340) are vertically arranged at one end far away from the vertical column (100), a plurality of positioning holes (331) are transversely arranged on one side, far away from the vertical column (100), of the mounting cavity (330), and a limiting mechanism (400) is arranged at one end, close to the L-shaped bracket (300), of the H-shaped cross beam (200); the limiting mechanism (400) is attached to the L-shaped bracket (300) and is fixedly connected to the L-shaped bracket (300) in an overlapping mode, the splicing seams of the two brackets are Z-shaped, and the upper portion and the lower portion of each Z-shaped splicing seam are fixed through a connecting plate (800); limiting mechanism (400) are including the first spacing portion (410) that extends to first connecting portion (310), to the direction of keeping away from second connecting portion (320) sunken, spacing portion (420) of second of being connected with second connecting portion (320), set up spacing chamber (430) in first spacing portion (410) and second spacing portion (420) respectively, first spacing portion (410) and second spacing portion (420) are provided with a plurality of spacing holes (440) with first connecting portion (310) and the relative one side of second connecting portion (320), second mounting hole (450) have all been seted up to the top of first spacing portion (410) and the bottom of second spacing portion (420), second mounting hole (450) set up in the one end that is close to L type bracket (300).
2. The assembled beam-column joint with the anti-seismic and self-resetting functions of the H-shaped steel structure of claim 1, wherein a positioning groove (321) is formed in the top of the second connecting portion (320) in an inwards recessed and long mode, a positioning strip (411) is formed in the bottom of the first limiting portion (410) in a downward protruding mode and in the long mode in the direction close to the L-shaped bracket (300), the positioning groove (321) is matched with the positioning strip (411), and the positioning strip (411) extends from the outer side of the second connecting portion (320) and is embedded into the positioning groove (321).
3. The assembled beam-column joint of H-shaped steel structure with earthquake-proof and self-resetting functions as claimed in claim 1, it is characterized in that a first fastening bolt (500) and a second fastening bolt (600) are arranged in the positioning hole (331) and the limiting hole (440) in a penetrating way, the first fastening bolt (500) and the second fastening bolt (600) are arranged at intervals up and down, a pre-pressing spring (700) is arranged on the first fastening bolt (500) and the second fastening bolt (600) in the first limiting part (410) and the second limiting part (420), one side of the pre-pressing spring (700) is abutted against the inner walls of the first limiting part (410) and the second limiting part (420) through gaskets, the other side of the pre-pressing spring (700) is applied through nut tightening, the pre-pressing spring (700) is used for enabling the L-shaped bracket (300) and the H-shaped cross beam (200) to reset.
4. The assembled type H-shaped steel structure beam-column joint with earthquake-resistant and self-resetting functions as claimed in claim 1, wherein a connecting plate (800) is arranged on the first mounting hole (340) and the second mounting hole (450), a plurality of connecting holes (810) are arranged on the connecting plate (800), the connecting holes (810) correspond to the first mounting hole (340) and the second mounting hole (450) in a one-to-one mode, and are connected through bolts, the surface of the connecting plate (800) and the surfaces of the L-shaped bracket (300) and the H-shaped cross beam (200) corresponding to the connecting plate (800) are rough surfaces, so that friction is generated on the L-shaped bracket (300) and the transverse direction respectively, and kinetic energy is consumed.
5. The assembled H-shaped steel structure beam-column joint with earthquake-resistant and self-resetting functions as claimed in claim 1, wherein the first mounting holes (340) and the second mounting holes (450) are respectively arranged in two groups along the width direction of the L-shaped bracket (300) and the H-shaped cross beam (200), the two groups of the first mounting holes (340) and the two groups of the second mounting holes (450) are arranged at intervals left and right, and each group of the first mounting holes (340) and the second mounting holes (450) comprises four bolt holes.
6. The assembled beam-column joint with earthquake-resistant and self-resetting functions of H-shaped steel structure as claimed in claim 4, wherein one end of the second fastening bolt (600) passes through the second connecting portion (320) and is fixed in the installation cavity (330) of the first connecting portion (310), and the other end extends into the limiting cavity (430) of the second limiting portion (420).
7. A construction method applied to the fabricated H-shaped steel structure beam-column joint with the earthquake-resistant and self-resetting functions of any one of claims 1 to 7 is characterized by comprising the following specific steps:
A. the prefabricated upright post (100) is characterized in that the L-shaped bracket (300) and the upright post (100) are prefabricated into a whole according to design rules, the L-shaped bracket (300) is located on the side face of the upright post (100), a first mounting hole (340) is formed in the top of a first connecting part (310) and the bottom of a second connecting part (320) of the L-shaped bracket (300), a positioning hole (331) is formed in one side, far away from the upright post (100), of the L-shaped bracket (300), and a positioning groove (321) is machined in the top of the second connecting part (320);
B. prefabricating an H-shaped cross beam (200), selecting a limiting mechanism (400) according to design rules, arranging the limiting mechanism (400) at one end of the H-shaped cross beam (200), arranging a limiting hole (440) at one side of a first limiting part (410) and a second limiting part (420) opposite to a first connecting part (310) and a second connecting part (320) and at the connecting end corresponding to a positioning hole (331), arranging a second mounting hole (450) at the top of the first limiting part (410) and the bottom of the second limiting part (420), and arranging a positioning strip (411) at the bottom of the second limiting part (420) in a downward protruding manner;
C. prefabricating a connecting plate (800), processing the surface of the connecting plate (800) into a rough surface according to design rules, and arranging connecting holes (810) corresponding to the first mounting holes (340) and the second mounting holes (450) according to the number, the size and the spacing distance of the first mounting holes and the second mounting holes;
D. the installation on site, after stand (100) is fixed, hoist H type crossbeam (200) to the position of L type bracket (300), make location strip (411) imbed in constant head tank (321), fix L type bracket (300) and H type crossbeam (200) through fastening bolt, at the top and bottom erection joint board (800) of L type bracket (300) and H type crossbeam (200), the complete dry-type of above-mentioned installation process is connected, and the beam bottom work progress exempts from to support.
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| CN202210567985.0A CN114855993B (en) | 2022-05-24 | 2022-05-24 | Assembled H-shaped steel structure beam column joint with anti-seismic and self-resetting functions and construction method thereof |
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| CN202210567985.0A CN114855993B (en) | 2022-05-24 | 2022-05-24 | Assembled H-shaped steel structure beam column joint with anti-seismic and self-resetting functions and construction method thereof |
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| CN114855993A true CN114855993A (en) | 2022-08-05 |
| CN114855993B CN114855993B (en) | 2023-06-02 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780923A (en) * | 2016-05-04 | 2016-07-20 | 福建工程学院 | Assembly structure of prefabricated concrete beam and concrete-filled steel tube column |
| CN109183986A (en) * | 2018-11-08 | 2019-01-11 | 安徽建筑大学 | A kind of assembling frame Structure Beam-column connecting node and construction method |
| CN111173341A (en) * | 2020-01-14 | 2020-05-19 | 西南交通大学 | Novel dry-method connection energy-consumption beam-column joint based on bracket |
| US20210395996A1 (en) * | 2020-06-17 | 2021-12-23 | China National Building Material Exhibition and Trade Center | Beam-column joint structure of prefabricated steel structure building |
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2022
- 2022-05-24 CN CN202210567985.0A patent/CN114855993B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780923A (en) * | 2016-05-04 | 2016-07-20 | 福建工程学院 | Assembly structure of prefabricated concrete beam and concrete-filled steel tube column |
| CN109183986A (en) * | 2018-11-08 | 2019-01-11 | 安徽建筑大学 | A kind of assembling frame Structure Beam-column connecting node and construction method |
| CN111173341A (en) * | 2020-01-14 | 2020-05-19 | 西南交通大学 | Novel dry-method connection energy-consumption beam-column joint based on bracket |
| US20210395996A1 (en) * | 2020-06-17 | 2021-12-23 | China National Building Material Exhibition and Trade Center | Beam-column joint structure of prefabricated steel structure building |
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