CN107165275B - A kind of combined anti-seismic bolt connection node - Google Patents
A kind of combined anti-seismic bolt connection node Download PDFInfo
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- CN107165275B CN107165275B CN201710465431.9A CN201710465431A CN107165275B CN 107165275 B CN107165275 B CN 107165275B CN 201710465431 A CN201710465431 A CN 201710465431A CN 107165275 B CN107165275 B CN 107165275B
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- surrender
- mobile jib
- locating piece
- girder steel
- bolt
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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
- 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
-
- 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
-
- 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
- E04B2001/2418—Details of bolting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of combined anti-seismic bolt connection nodes, including square steel tube, connection board, girder steel, low surrender locating piece and unilateral bolt, wherein, the quantity of connection board is two pieces, and two pieces of connection boards are contacted with the lateral wall of square steel tube opposite sides respectively.Girder steel is I-shaped or H-type, the quantity of girder steel is two, girder steel one end is vertically fixedly connected on the side wall of the other side of the opposite contact square steel tube side of connection board, and two girder steels connect one to one with two pieces of connection boards, and the flange plate of girder steel is vertical with the axis direction of square steel tube.Low surrender locating piece passes through square steel tube and two pieces of connection boards, unilateral bolt passes through one piece of connection board and the square steel tube side wall contacted with the connection board and is embedded in square steel tube, and the spacing of web of the low surrender locating piece apart from girder steel is less than the spacing of web of the unilateral bolt apart from girder steel.Overall structure of the present invention is simple, is easy to implement, at low cost, and has good ductility, dissipation tectonic comparison and bearing capacity when application.
Description
Technical field
The present invention relates to building aseismicity interconnection technique field, specifically a kind of combined anti-seismic bolt connection node.
Background technique
In recent years, it is usually applied to square steel tube in civilian and industrial building engineering frame system, square steel tube is compared to tradition
It is hot rolled H-shaped, be avoided that the difference of strong axis Yu weak axis composite bending modulus, its bearing capacity can be more preferably played in frame system, save
Steel are saved, while its lesser external surface area keeps its anti-corrosion and fire resistance also more preferable.Square steel tube is consolidated in frame system at present
Permanent to see that joint form is as follows: (1) Chinese patent publication No. CN 103510626A disclosed a kind of top on 01 15th, 2014
Base angle steel formula H profile steel beam and rectangular tubular column through unilateral bolt connection node comprising rectangular conduit, H profile steel beam and multiple connection squares
The angle steel of shape tubing string and H profile steel beam, two edges of a wing of H profile steel beam pass through angle steel respectively and are fixedly connected with rectangular conduit, H profile steel beam
Web be fixedly connected by angle steel with rectangular conduit.(2) Chinese patent publication No. CN 104179256A was December 03 in 2014
Day discloses a kind of rectangular steel-tube concrete column and the unilateral bolt connection node of girder steel and its construction method, connecting node include
Rectangle steel tubing string and girder steel, girder steel end are welded with end plate, and end plate is mounted on steel pipe column side wall by fastener, end plate with
Offer several corresponding bolts hole on steel pipe column in pairs along longitudinal direction, steel tubular column joints core space is provided with reinforcement construction.Its
Rectangular steel pipe Column border node core space construct and reinforces being outer reinforcement or interior made of utilizing external channel steel and steel pipe column weld all around
Set interior reinforcement etc. made of H profile steel and steel pipe column spot welding.
Connecting node described in the above prior art is in application, usually lean on distracted sleeve and spiral shell when because of unilateral bolt fastening
Keyhole circumferentially blocks, and contact surface is smaller and stress is concentrated, and under pulling force effect repeatedly, bolt hole is be easy to cause to swell bolt quilt
It pulls out or fastening is failed or external drum deformation in steel pipe wall part is excessive, to be easy to make node under earthquake load repeated action
Lose bearing capacity, ductility and energy dissipation capacity.
Summary of the invention
It is an object of the invention to overcome existing unilateral bolt connection node for the circulation repeated action under earthquake load
Consider insufficient problem, a kind of combined anti-seismic bolt connection node is provided, with good ductility, dissipation tectonic comparison
And bearing capacity.
The purpose of the present invention is achieved through the following technical solutions: a kind of combined anti-seismic bolt connection node, including
Square steel tube, connection board, girder steel, low surrender locating piece and unilateral bolt, the quantity of the connection board are two pieces, two pieces of connections
End plate is contacted with the lateral wall of square steel tube opposite sides respectively；
The girder steel is I-shaped or H-type, and the quantity of girder steel is two, and girder steel one end is vertically fixedly connected on connection board
On the side wall of the other side of opposite contact square steel tube side, two girder steels connect one to one with two pieces of connection boards, and girder steel
Flange plate is vertical with the axis direction of square steel tube；
The low surrender locating piece passes through square steel tube and two pieces of connection boards, and the unilateral bolt passes through one piece of connection board
And the square steel tube side wall that is contacted with the connection board and be embedded in square steel tube, web of the low surrender locating piece apart from girder steel
Spacing is less than the spacing of web of the unilateral bolt apart from girder steel；
The quantity of the low surrender locating piece and unilateral bolt is more, the web portion of every block of connection board connection girder steel
The two sides of position all have low surrender locating piece and unilateral bolt passes through.The present invention in the specific implementation, low surrender locating piece and list
Side bolt can be arranged as desired to the joint form of different-stiffness.Node force-transmission mechanism are as follows: pass through low surrender locating piece and list
While being bolted end plate can be transmitted to moment of flexure, axle power and the moment of flexure on girder steel on steel pipe column.
Further, the low surrender locating piece includes mobile jib, filling set, sleeve positioning mechanism and location nut；
The material of the mobile jib is Low Yield Point Steel, and the center one of mobile jib is truncated into main surrender section, main surrender section to mobile jib two
The end position at end is to be greater than the diameter of main surrender section from the diameter of surrender section, from surrender section close to mobile jib end from surrender section
Position is equipped with externally threaded ends screw section；It is isosceles trapezoid that the main surrender section indent composition of the mobile jib, which has multiple cross sections,
First limiting groove of shape, multiple first limiting grooves are sequentially arranged along mobile jib length direction, arbitrary neighborhood two first limits
The first retention bead is constituted between the groove of position；
The inner wall convex of the filling set constitutes the second retention bead for having cross section for isosceles trapezoid shape, the second limit convex
It plays and position suitable with the first limiting groove quantity to correspond, be constituted and first between two the second retention beads of arbitrary neighborhood
Corresponding second limiting groove in retention bead position；The filling is set on mobile jib, and the length for filling set is less than mobile jib master
The length of section is surrendered, filling set internal diameter is less than diameter of the mobile jib from surrender section, and the first retention bead is embedded in the second limiting groove,
Second retention bead is embedded in the first limiting groove；
The sleeve positioning mechanism includes backing plate and sleeve, and described sleeve one end is vertical with backing plate to be fixedly connected, on backing plate
Constituting has the positional punch for being coaxially disposed and running through backing plate opposite end surface with sleeve；
The low surrender locating piece is set there are two sleeve positioning mechanism, and filling set both ends are opposite from two sleeves respectively
In the other end insertion sleeve at connection backing plate end；The mobile jib both ends, which are each passed through on the backing plate of two sleeve positioning mechanisms, determines
Position perforation；The quantity of location nut is two in the low surrender locating piece, and two location nuts are respectively sleeved at mobile jib both ends
Ends screw section on, location nut it is opposite with backing plate connection sleeve side another side contacts；
After the low surrender locating piece passes through square steel tube and two pieces of connection boards, the backing plate connector sleeve of sleeve positioning mechanism
Another side contacts of the side of cylinder contact square steel tube side opposite with connection board.Main surrender section of the invention is equipped with the first limit convex
Rise and the first limiting groove, multistage indentation structure is integrally formed；Of the invention covers the coated main surrender section of mobile jib by filling, with
The connected sleeve of backing plate blocks filling set outside, to constrain outside bending deformation after main surrender section is pressurized.
Further, the mobile jib is equipped with N number of first retention bead, wherein N is the odd number more than or equal to 3；It is N number of
First retention bead is symmetrical from mobile jib midpoint, the first retention bead of the mobile jib midpoint it is corresponding
Two limiting groove sizes, shape matching, the length of the first retention bead of mobile jib midpoint two sides are less than the second corresponding limit
The length of position groove, formation is free after the first retention bead of mobile jib midpoint two sides is embedded in the second corresponding limiting groove
Gap.When the mobile jib tension and compression of low surrender locating piece, first limit of the low surrender locating piece deformed part in the middle part of mobile jib
Protrusion starts, and successively expands to end, and in gap section, deformation is abundant.Meanwhile to limit low surrender locating piece mobile jib each in gap
The ultimate deformation amount of section causes destruction to betide at the abrupt change of cross-section, to consume using Low Yield Point Steel in order to avoid local deformation is excessive
Energy advantage is abundant in each section linear deformation of main surrender section.
In order to avoid stress raisers, further, the mobile jib is formed between the surrender main surrender section of Duan Yuqi
There is tapering transition face.
Further, a kind of combined anti-seismic bolt connection node further includes angle steel locating part, the angle steel locating part packet
Position-limiting tube and angle steel are included, one piece of rectangular panel of the angle steel is contacted and is fixed on the web of girder steel with the web of girder steel,
Another piece of rectangular panel is parallel with connection board；The rectangular panel lateral wall that the position-limiting tube and angle steel are parallel to connection board hangs down
Directly it is fixedly connected；Angle steel locating part is respectively connected on every girder steel, the end of the low surrender locating piece is embedded in position-limiting tube.Such as
This, low surrender locating piece end is using the angle steel locating part constraint being fixed on steel beam web plate when applying by the present invention, so as to will be by
Pressure effect is effectively passed to low surrender locating piece.
Further, the square steel tube and connection board offer bolt hole, the low surrender locating piece, unilateral bolt
By passing through bolt hole come across square steel tube and connection board.
Further, the two sides at the web position of every piece of connection board connection girder steel all have two low surrender locating pieces with
Two unilateral bolts pass through, and the two piece low surrender locating piece height ipsilateral positioned at the web of girder steel configure, positioned at the web of girder steel
The unilateral bolt height of ipsilateral two configures.
In conclusion the invention has the following advantages: (1) present invention make full use of Low Yield Point Steel Material ductility and
The good characteristic of Hysteresis Behavior, the low more unilateral bolt of surrender locating piece of the invention is closer to steel beam web plate, the low surrender of unilateral bolt
Locating piece can undertake biggish deformation compared to unilateral bolt closer to square steel tube sidewall edge, low surrender locating piece, be bent using low
The mechanical advantage of clothes point steel more dissipates seismic energy under drawing-pressure ringing, avoids deforming in the middle part of square steel tube wall
Greatly；Simultaneously as the square steel tube tube wall deformation by proximal wall is smaller, be arranged in this unilateral bolt then can preferably with low surrender
Locating piece cooperates, and provides reliable bearing capacity.
(2) present invention can by being preset with bolt hole on square steel tube and connection board, with realize low surrender locating piece and
Unilateral bolt penetrates, and compared with the existing progress welded unit reinforcement node to rectangular steel pipe Column border node core space, is bent using low
It takes locating piece and unilateral bolt hardly needs site welding workload, perforating on square steel tube and connection board can exist in component
It is just completed when prefabrication, thus avoiding the factors such as the influence of welding residual stress, site environment welding quality；Together
When, concreting can also be convenient for.
(3) installment work is convenient simple when low surrender locating piece of the invention application, and Force principle is clear and direct, when low
Replacement is convenient when the mobile jib of surrender locating piece has damage, is also suitable for the reinforcing of node.It is low in the construction organization of assembly node
Surrender locating piece and the connection of unilateral bolt can synchronous positioning installed, there is more reliable fastener guarantee, use conventional stud
Fastening tool can connect, easy for installation, and flexible operation shortens construction period and improves construction efficiency.
(4) mobile jib of the invention and filling set are internal equipped with staggered protrusion and groove limit, to the constriction of mobile jib section
Deflection is adjusted, to be limited in the overall length deformation and lateral distortion of tension and compression effect lower rhabd, while with angle steel locating part
Operative constraint is carried out to mobile jib end, to more preferably play the energy dissipation performance of low-yield Steel material.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of a specific embodiment of the invention；
Fig. 2 is the schematic cross-sectional view of low surrender locating piece in Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of low surrender locating piece in a specific embodiment of the invention；
Fig. 4 is the structural schematic diagram of another specific embodiment of the present invention.
Label and corresponding parts title in attached drawing: 1, square steel tube, 2, connection board, 3, girder steel, 4, angle steel locating part,
41, position-limiting tube, 42, angle steel, 43, positioning bolt, 5, low surrender locating piece, 51, mobile jib, 511, ends screw section, 512, taper
Transition face, the 513, first retention bead, the 514, first limiting groove, 52, filling set, 521, partitioning slot, the 522, second limit convex
It rises, the 523, second limiting groove, 53, sleeve positioning mechanism, 531, backing plate, 532, sleeve, 533, isolation reinforcing ring, 54, positioning
Nut, 55, gap, 6, unilateral bolt.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
As shown in FIG. 1 to 3, a kind of combined anti-seismic bolt connection node, including square steel tube 1, connection board 2, girder steel
3, low surrender locating piece 5 and unilateral bolt 6, wherein connection board 2 be it is rectangular-shaped, quantity be two pieces, two pieces of connection boards 2
It is parallel with the lateral wall of 1 opposite sides of square steel tube respectively and contact.The girder steel 3 of the present embodiment is I-shaped or H-type, girder steel 3
Quantity is two, and 3 one end of girder steel is vertically fixedly connected on the side wall of the other side of opposite contact 1 side of square steel tube of connection board 2,
Two girder steels 3 connect one to one with two pieces of connection boards 2, and the flange plate of girder steel 3 is vertical with the axis direction of square steel tube 1.
The present embodiment is attached by the way of welding in specifically connection girder steel 3 and connection board 2.The low surrender of the present embodiment
Locating piece 5 passes through square steel tube 1 and two pieces of connection boards 2, and unilateral bolt 6 passes through one piece of connection board 2 and connects with the connection board 1
1 side wall of square steel tube of touching is simultaneously embedded in square steel tube 1, and the spacing of web of the low surrender locating piece 5 apart from girder steel 3 is less than unilateral bolt
The spacing of 6 web apart from girder steel 3.
The quantity of low surrender locating piece 5 and unilateral bolt 6 is more in the present embodiment, and every piece of connection board 2 connects steel
The two sides at the web position of beam 2 all have low surrender locating piece 5 and unilateral bolt 6 passes through.The present embodiment is in specific setting, often
The two sides that block connection board 2 connects the web position of girder steel 2 all have two low surrender locating pieces 5 and two unilateral bolts 6 are worn
It crosses, the two piece low surrender locating pieces 5 ipsilateral positioned at the web of girder steel 2 just configure, two lists ipsilateral positioned at the web of girder steel 2
Side bolt 6 just configures.I.e. the present embodiment at least needs four low surrender locating pieces 5 and eight unilateral bolts in specific setting
6.Two 5 level heights of low surrender locating piece of top are identical in the present embodiment, and the unilateral bolt 6 of four of top is set to top
Between low surrender locating piece 5 and 1 sidewall edge of square steel tube；5 level heights of low surrender locating piece of two of lower section are identical, lower section
Four unilateral bolts 6 are set between 1 sidewall edge of low surrender locating piece 5 and square steel tube of lower section.The unilateral bolt 6 of the present embodiment
Be arranged side by side with low surrender locating piece 5 in the position close to 1 side wall of square steel tube, the tube wall deformation at the position compared to midpoint position compared with
It is small, but the performance of unilateral 6 bearing capacity of bolt is not influenced.When low surrender locating piece 5 occurs moderate finite deformation and is broken, unilateral bolt
6 still can bear tension load, and making node still has certain bending resistance, thus to prevent node excessive deformation and destruction
Necessary safety redundancy is provided.
Setting is easily installed when in order to apply the present embodiment, square steel tube 1 and connection board 2 offer in the present embodiment
Bolt hole, square steel tube 1 is corresponding with the bolt hole position that 2 the two of connection board opens up, and low surrender locating piece 5, unilateral bolt 6 are equal
By passing through bolt hole come across square steel tube 1 and connection board 2.
The low surrender locating piece 5 of the present embodiment includes mobile jib 51, filling set 52, sleeve positioning mechanism 53 and location nut
54, wherein the material of mobile jib 51 is Low Yield Point Steel, and the center one of mobile jib 51 is truncated into main surrender section, main surrender section to mobile jib 51
The end position at both ends is from surrender section.It is greater than the diameter of main surrender section, from the diameter of surrender section so as to by low surrender locating piece 5
Deformation section be limited in main surrender segment limit.From surrender section close to 51 end position of mobile jib for equipped with externally threaded ends screw
Section 511 is formed with tapering transition face 512 between surrender Duan Yuzhu surrender section, and tapering transition face 512 is for avoiding local stress
It concentrates.The main surrender section indent of the present embodiment mobile jib 51 constitutes the first limiting groove for having multiple cross sections for isosceles trapezoid shape
514, multiple first limiting grooves 514 are sequentially arranged along 51 length direction of mobile jib, two the first limiting grooves 514 of arbitrary neighborhood
Between constitute the first retention bead 513.
The inner wall convex of the filling set 52 of the present embodiment constitutes the second retention bead for having cross section for isosceles trapezoid shape
522, the second retention bead 522 and 514 quantity of the first limiting groove are quite and position corresponds, arbitrary neighborhood two second limits
The second limiting groove 523 corresponding with 513 position of the first retention bead is constituted between position protrusion 522.The filling set of the present embodiment
52 are set on mobile jib 51, and the length of filling set 52 is less than the length of the main surrender section of mobile jib 51, and filling 52 internal diameters of set are less than mobile jib
51 are embedded in the second limiting groove 523 from the diameter for surrendering section, the first retention bead 513, the second retention bead 522 insertion first
In limiting groove 514.For the intersection insertion convenient for both filling set 52 and mobile jibs 51 retention bead and limiting groove, the present embodiment
Filling set 52 is divided into muti-piece, between there are partitioning slots 521.By the second retention bead 522 of filling set 52 and the second limit
After groove 523 and the first retention bead 513 of mobile jib 51 and the first limiting groove 514 staggeredly be bondeds, by the push-in of sleeve 532 so as to
Filling set 52 is built in sleeve 532.For convenient for positioning, 532 tube wall of sleeve also is provided with parting, while being equipped with isolation reinforcing ring
533 to reinforce the hoop rigidity of 532 tube wall of sleeve.
Convenient for being arranged filling set 52 when in order to apply the present embodiment, this implementation fills set 52 by the arc of muti-piece strip
Shape block is also formed with partitioning slot between adjacent arc block between splicing around being spliced.
The sleeve positioning mechanism 53 of the present embodiment includes backing plate 531 and sleeve 532, wherein 532 one end of sleeve and backing plate
531 are vertically fixedly connected, and constituting on backing plate 531 has the positioning for being coaxially disposed and running through 531 opposite end surface of backing plate with sleeve 532
Perforation.The present embodiment in specific setting, backing plate 531 with sleeve 532 is preferably integrated is integral.
The low surrender locating piece 5 of every of the present embodiment is all provided with there are two sleeve positioning mechanism 53, and 52 both ends of filling set are distinguished
In other end insertion sleeve 532 from two sleeves 532 with respect to 531 end of connection backing plate, 51 both ends of mobile jib are each passed through two sets
Positional punch on the backing plate 531 of cylinder positioning mechanism 53.The quantity of location nut 54 is two in every low surrender locating piece 5,
Two location nuts 54 are respectively sleeved in the ends screw section 511 at 51 both ends of mobile jib, and location nut 54 is opposite with backing plate 531 to be connected
Another side contacts of 532 side of female connector cylinder.After the low surrender locating piece 5 of the present embodiment passes through square steel tube 1 and two pieces of connection boards 2,
The backing plate 531 of its sleeve positioning mechanism 53 connects the another of side contact 1 side of square steel tube opposite with connection board 2 of sleeve 532
Side contacts.
The mobile jib 51 of the present embodiment is equipped with N number of first retention bead 513, wherein N is the odd number more than or equal to 3.N
A first retention bead 513 is symmetrical from 51 midpoint of mobile jib, and the first retention bead 513 of 51 midpoint of mobile jib is corresponding
Second limiting groove, 523 size, shape matching, it is right with it that the length of the first retention bead 513 of 51 midpoint two sides of mobile jib is less than
The length for the second limiting groove 523 answered, the first retention bead 513 of 51 midpoint two sides of mobile jib are embedded in the second corresponding limit
Gap 55 is formed with after the groove 523 of position.The present embodiment is preferably provided with five the first retention beads 513 and six the first limiting grooves
514.With this matching, there are six the second retention bead 522 and five the second limiting grooves 523 for setting on filling set 52.
Sleeve 532 first can be filled in bolt hole when installing low surrender locating piece 5 by the present embodiment, outside cover filling
52 with mobile jib 51 it is even good after by sleeve 532 to penetrating in square steel tube 1, by 511 screwed in place nut 54 of ends screw section,
So that location nut 54 fastens the ends screw section 511 and backing plate 531 of low surrender locating piece 5.The filling set 52 of the present embodiment
It is restricted within sleeve 532, it is reserved to passing through when being also convenient for installation to prevent mobile jib 51 that the deformation of outside compressive buckling occurs
Bolt hole.
The present embodiment only has mobile jib 51 using Low Yield Point Steel, and there was only mobile jib 51 under by pulling force is main carrying tension portion
Part, remaining restricted part are conventional steels, preferably, filling set 52 and sleeve positioning mechanism 53 can make of high-strength steel；By
In Low Yield Point Steel just like the equally larger self-deformation of rubber band, then needs to be waited with filling set 52 and its set is waled, to prevent master
Bar 51 is twisted into twisted shape in itself, could play a role under stress repeatedly.
Embodiment 2:
As shown in figure 4, the present embodiment is made that following improvement on the basis of embodiment 1: the present embodiment further includes angle steel
Locating part 4, wherein angle steel locating part 4 includes position-limiting tube 41 and angle steel 42, the abdomen of one piece of rectangular panel and girder steel 3 of angle steel 42
Plate is contacted and is fixed on the web of girder steel 3 by positioning bolt 43, and another piece of rectangular panel is parallel with connection board 2.This
The position-limiting tube 41 of embodiment is vertical with the rectangular panel lateral wall for being parallel to connection board 2 of angle steel 42 to be fixedly connected, position-limiting tube 41
One end face connection board 2 of not connected angle steel 42.Angle steel locating part 4 is respectively connected in the present embodiment on every girder steel 3, it is low to bend
It takes in the end insertion position-limiting tube 41 of locating piece 5, the 51 end position of mobile jib of specifically low surrender locating piece 5 is embedded in position-limiting tube 41
It is interior.The present embodiment is used when 4 part of web of girder steel 3 connects angle steel locating part 4 using positioning bolt 43, it should be ensured that angle steel limit
The position-limiting tube 41 of position part 4 and 511 close proximity of ends screw section of mobile jib 51.
The present embodiment is correspondingly connected with four angle steel locating parts 4 on every girder steel 3 when being equipped with four low surrender locating pieces 5,
41 open end of position-limiting tube of four angle steel locating parts 4 is respectively embedded into the end of mobile jib 51 in a low surrender locating piece 5.
When the present embodiment is by the curved web compression for acting on and making girder steel 3, pressure power transmission can be effectively passed to low surrender positioning
In the main surrender section of the mobile jib 51 of part 5, so as to make full use of drawing-pressure circulation energy dissipation behavior of low-yield Steel material.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of combined anti-seismic bolt connection node, which is characterized in that including square steel tube (1), connection board (2), girder steel
(3), low surrender locating piece (5) and unilateral bolt (6), the quantity of the connection board (2) are two pieces, two pieces of connection boards (2)
It is contacted respectively with the lateral wall of square steel tube (1) opposite sides；
The girder steel (3) is I-shaped or H-type, and the quantity of girder steel (3) is two, the vertical company of being fixedly connected in girder steel (3) one end
On the side wall for connecing the other side of end plate (2) opposite contact square steel tube (1) side, two girder steels (3) and two pieces of connection boards (2) are one by one
It is correspondingly connected with, and the flange plate of girder steel (3) is vertical with the axis direction of square steel tube (1)；
The low surrender locating piece (5) passes through square steel tube (1) and two pieces of connection boards (2), and the unilateral bolt (6) passes through one piece
Connection board (2) and square steel tube (1) side wall contacted with the connection board (2) are simultaneously embedded in square steel tube (1), and the low surrender is fixed
The spacing of web of the position part (5) apart from girder steel (3) is less than the spacing of the web of unilateral bolt (6) apart from girder steel (3)；
The quantity of low surrender locating piece (5) and unilateral bolt (6) is more, and every piece of connection board (2) connects girder steel (3)
The two sides at web position all have low surrender locating piece (5) and unilateral bolt (6) passes through.
2. a kind of combined anti-seismic bolt connection node according to claim 1, which is characterized in that the low surrender positioning
Part (5) includes mobile jib (51), filling set (52), sleeve positioning mechanism (53) and location nut (54)；
The material of the mobile jib (51) is Low Yield Point Steel, and mobile jib (51) center one is truncated into main surrender section, main surrender section to mobile jib
(51) the end position at both ends is to be greater than the diameter of main surrender section from the diameter of surrender section, from surrender section close to main from surrender section
Bar (51) end position is equipped with externally threaded ends screw section (511)；The main surrender section indent composition of the mobile jib (51) has
Multiple cross sections are the first limiting groove (514) of isosceles trapezoid shape, and multiple first limiting grooves (514) are along mobile jib (51) length
It sequentially arranges on direction, constitutes the first retention bead (513) between two the first limiting grooves (514) of arbitrary neighborhood；
The inner wall convex composition of the filling set (52) has cross section for the second retention bead (522) of isosceles trapezoid shape, and second
Retention bead (522) is suitable with the first limiting groove (514) quantity and position corresponds, two the second limit convexes of arbitrary neighborhood
It rises and constitutes the second limiting groove (523) corresponding with the first retention bead (513) position between (522)；The filling covers (52)
It is set on mobile jib (51), the length of filling set (52) is less than the length of mobile jib (51) main surrender section, and filling set (52) internal diameter is small
In mobile jib (51) from the diameter of surrender section, the first retention bead (513) is embedded in the second limiting groove (523), the second limit convex
It rises in (522) insertion the first limiting groove (514)；
The sleeve positioning mechanism (53) includes backing plate (531) and sleeve (532), described sleeve (532) one end and backing plate (531)
It is vertically fixedly connected, constituting on backing plate (531) has with sleeve (532) coaxial arrangement and through backing plate (531) opposite end surface
Positional punch；
The low surrender locating piece (5) sets there are two sleeve positioning mechanism (53), and the filling covers (52) both ends respectively from two
In other end insertion sleeve (532) of the sleeve (532) with respect to connection backing plate (531) end；Mobile jib (51) both ends are each passed through
Positional punch on the backing plate (531) of two sleeve positioning mechanisms (53)；Location nut (54) in the low surrender locating piece (5)
Quantity be two, two location nuts (54) are respectively sleeved in the ends screw section (511) at mobile jib (51) both ends, position spiral shell
Female (54) another side contacts for connecting sleeve (532) side opposite with backing plate (531)；
After the low surrender locating piece (5) passes through square steel tube (1) and two pieces of connection boards (2), sleeve positioning mechanism (53)
Backing plate (531) connects the side of sleeve (532) and another side contacts of connection board (2) opposite contact square steel tube (1) side.
3. a kind of combined anti-seismic bolt connection node according to claim 2, which is characterized in that on the mobile jib (51)
Equipped with N number of first retention bead (513), wherein N is the odd number more than or equal to 3；N number of first retention bead (513)
It is symmetrical from mobile jib (51) midpoint, the second corresponding limit of the first retention bead (513) of mobile jib (51) midpoint
Position groove (523) size, shape matching, it is right with it that the length of first retention bead (513) of mobile jib (51) midpoint two sides is less than
The first retention bead (513) insertion of the length for the second limiting groove (523) answered, mobile jib (51) midpoint two sides is corresponding
Gap (55) are formed with after second limiting groove (523).
4. a kind of combined anti-seismic bolt connection node according to claim 2, which is characterized in that the mobile jib (51)
Tapering transition face (512) are formed between the surrender main surrender section of Duan Yuqi.
5. a kind of combined anti-seismic bolt connection node according to claim 1, which is characterized in that further include angle steel limit
Part (4), the angle steel locating part (4) include position-limiting tube (41) and angle steel (42), one piece of rectangular panel of the angle steel (42) with
The web of girder steel (3) is contacted and is fixed on the web of girder steel (3), and another piece of rectangular panel is parallel with connection board (2)；Institute
State that position-limiting tube (41) is vertical with angle steel (42) the rectangular panel lateral wall for being parallel to connection board (2) to be fixedly connected；Every girder steel
(3) it is respectively connected on angle steel locating part (4), in end insertion position-limiting tube (41) of low surrender locating piece (5).
6. a kind of combined anti-seismic bolt connection node according to claim 1, which is characterized in that the square steel tube (1)
Offer bolt hole with connection board (2), the low surrender locating piece (5), unilateral bolt (6) by pass through bolt hole come
Across square steel tube (1) and connection board (2).
7. a kind of combined anti-seismic bolt connection node described according to claim 1~any one of 6, which is characterized in that
The two sides at the web position of every piece of connection board (2) connection girder steel (3) all have two low surrender locating pieces (5) and two unilateral
Bolt (6) passes through, and is located at two ipsilateral low surrender locating piece (5) height configurations of the web of girder steel (3), is located at girder steel (3)
Two ipsilateral unilateral bolt (6) height of web configure.
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| CN201710465431.9A CN107165275B (en) | 2017-06-19 | 2017-06-19 | A kind of combined anti-seismic bolt connection node |
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| CN201710465431.9A CN107165275B (en) | 2017-06-19 | 2017-06-19 | A kind of combined anti-seismic bolt connection node |
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| CN107165275B true CN107165275B (en) | 2019-04-09 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517961A (en) * | 2018-05-25 | 2018-09-11 | 夏念涛 | A kind of direct insertion installation node of quick assembling beam column of steel structure and its installation method |
| CN109667349B (en) * | 2019-01-03 | 2020-06-30 | 深圳信息职业技术学院 | Full-assembly type anti-seismic node of prestressed concrete frame structure |
| CN113175115B (en) * | 2021-05-11 | 2022-11-15 | 四川大学 | Double-rigidity buckling restrained damper |
| CN114658101A (en) * | 2022-03-28 | 2022-06-24 | 北京工业大学 | Assembly type adjustable positioning Z-shaped steel pipe column and recycled concrete independent foundation connection structure and construction method |
| CN115478703B (en) * | 2022-10-17 | 2024-05-10 | 四川大学 | Method for preventing frost heaving and cracking of concrete holes |
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