Assembling type steel structure beam-column connection and attaching method thereof
The invention is related to assembling type steel structure technical field.
It needs to be connected in such a way that assembled connects in assembling type steel structure technical field, at steel structure node
It connects, traditional connection type structure with reference to shown in Fig. 9, that is, carried out excessively between girder steel and steel column using L shape connector
Connection, is wherein attached between L shape connector and steel column by high-strength bolt, by high-strength between L shape connector and girder steel
Degree bolt is attached.Main problem existing for this structure is that anti-seismic performance is bad, when macroseism occurs, is easy even
Brittle fracture occurs at fitting.
In order to solve the anti-seismic problem of connecting node at girder steel and steel column, domestic and international experts and scholars have carried out a large amount of experiment
And design, wherein a kind of energy consumption steel-structure beam-column node of stiffness variable is disclosed in Chinese patent 201410199919.8,
Major design is characterized by, several bar shaped bolts hole and arc are respectively equipped on steel beam flange connecting plate and steel beam web plate connecting plate
Shape bolt hole；Steel beam flange and web and the steel beam flange connecting plate and steel beam web plate connecting plate are connected using high-strength bolt
It connects, steel beam flange connecting plate and steel beam web plate connecting plate and steel column are welded to connect, that is, pass through setting bar shaped bolt hole and arc spiral shell
Keyhole reserves activity space, so that node, under rarely occurred earthquake, beam-ends can consume in Double-directional rotary, generation friction within a certain angle
It can act on, play the purpose for improving structural seismic performance.In practical application, the frictional force of this steel plate generation by overlapping area
It is limited, especially, during vibration, the loosening of bolt is inevitable, and meeting after bolt looseness is so that friction effect
Reduction sharply, so this structure is also uncontrollable, and the kinetic energy generated relative to earthquake, friction effect is poor, damping
Effect is poor.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of assembling type steel structure beam-column connection and its connection
Method, first technical problems to be solved are to solve the problems, such as that existing connecting node poor seismic behavior, secondary technical problem are,
It realizes quickly full fabricated construction, avoids weld job.
The technical solution adopted by the present invention to solve the technical problems are as follows:
Assembling type steel structure beam-column connection, for the connection of girder steel and steel column, steel column and girder steel are i-beam structure,
It is characterized in that,
Be interconnecting piece in the end of girder steel, the steel tank at the interconnecting piece is divided into three sections by two partitions, from distal end to
Centre is followed successively by mounting groove, grout groove and conventional steel tank, and one group of plate-shaped springs group is respectively equipped in the mounting groove of girder steel two sides
Part；The concrete block by slurry molding is equipped in grouting space between the grout groove and rectangular steel pipe inner wall；
The transition piece being made of steel plate and rectangular steel pipe, wherein the steel plate is fixed on steel by high-strength bolt
Liang Shang, the rectangular steel pipe inside form plug division, and interconnecting piece insertion plug division forms part overlapping；
Anchor hole is drawn in setting on plate-shaped springs component, partition and steel column, and cable wire, which passes through, draws both ends after anchor hole to be fixed on steel column
On girder steel.
Setting blocks bolt at the grout hole on the rectangular steel pipe side plate.
Polytetrafluoroethylene (PTFE) cushion block, and polytetrafluoroethylene (PTFE) pad are provided in connecting with the transition of girder steel web corresponding position
Block is not contacted with web end.
The cable wire is in non-fully tensioning state.
Reserved 2 millimeters to 5 millimeters of the elastic telescopic space of cable wire.
Deep floor is locally set in the link position of steel column.
There are five plate-shaped springs, plate-shaped springs are C font, adjacent plate-shaped springs for setting in each group of plate-shaped springs component
Between be mutually symmetrical and be superposed.
The connection method of assembling type steel structure beam-column connection, which is characterized in that
The first step in factory process steel column, girder steel, transition piece, and integrally carries out preservative treatment；
Second step completes the assembling of transition piece and girder steel at the ground of building site, teflon gasket is bonded in
Inside the plug division of transition piece, it is divided to two groups to be connect respectively from two sides using cable wire with first partition plate-shaped springs component,
The cable wire other end is hanging, is then simply positioned between girder steel and transition piece using positioning pin；
Third step carries out the lifting of girder steel, and cable wire free end is penetrated the drawing anchor hole on steel column, then using high-intensitive spiral shell
Bolt is tentatively fastened transition piece with steel column, and then cable wire end is fixed, and finally carries out high-strength bolt
4th step extracts positioning pin out, will be in the milk in grouting space, until filling, then uses screw plugging grouting hole, makes
Circular hole position is blocked with positioning pin；
5th step, until grouting slurry is fully hardened, completion is installed for maintenance.
The beneficial effects of the present invention are: the node is to be rigidly connected, and under earthquake state, formation can live under non-earthquake state
Dynamic flexible connection, can be to avoid rigid joint bring problem of brittle fracture.
The plug connection that partially overlaps between cable wire and beam column, it is ensured that there is enough deformation spaces, improve peace
Full redundancy realizes the design object that macroseism is not fallen.
The presence of elastic parts can preferably consume the vibration energy of earthquake, slow down the deformation of girder steel.
Detailed description of the invention
Fig. 1 is node perspective view of the invention.
Fig. 2 is node partial sectional view.
Fig. 3 is the effect picture of transition piece partly cut-away.
Fig. 4 is the connection schematic diagram hidden after transition piece.
Fig. 5 is the perspective view of girder steel.
Fig. 6 is the perspective view of transition piece.
Fig. 7 is the perspective view of plate-shaped springs.
Fig. 8 is the schematic diagram of concrete block and screw.
Fig. 9 is steel column, steel beam joint connection figure in the prior art.
In figure: 100 steel columns, 110 column webs, the 120 column edges of a wing, 130 deep floors,
200 girder steels, 210 webs, 220 flange of beam, 230 interconnecting pieces, 231 first partitions, 232 second partitions, 233 exhausts
Hole, 234 mounting grooves, 235 grout grooves,
300 transition pieces, 310 steel plates, 320 rectangular steel pipes, 321 grout holes, 330 plug divisions,
400 plate-shaped springs components,
500 cable wires, 510 draw anchor hole,
600 polytetrafluoroethylene (PTFE) cushion blocks,
700 concrete blocks.
The present invention is described in detail with reference to the accompanying drawings of the specification.
Assembling type steel structure beam-column connection, suitable for the connection of girder steel and steel column, heretofore described steel column is
Refer to, be generally in vertical state, or close to the steel column of vertical state, to incline perpendicular to based on ground usually in building
Oblique is also to be slightly tilted, and usual tilt angle is no more than 15 degree.The girder steel at this place is often referred in water in steel building
Girder steel, the steel column at this place only include common I-shaped steel in steel construction, other structures, such as square bar,
Channel steel is not within the scope of the present invention.
Research based on I-steel girder steel, steel column, I-steel has good antitorque, warping resistance performance, and compares section
Steel are saved, are widely used in steel construction.About the performance of I-steel, prior art introduction can be referred to.
Steel column 100, from section, the i-beam structure being made of column web 110 and the column edge of a wing 120, first in steel
The link position of column is locally reinforced, and the mode of reinforcement is to increase deep floor 130 in the steel tank of steel column I-steel, is formed
Local strengthening, deep floor is usually to weld there are pattern, and welding is completed in the factory.It is bored on the column edge of a wing of steel column
Hole, the installation for high-strength bolt and cable wire.
Girder steel 200, the i-beam structure being made of web 210 and flange of beam 220 are symmetrical at the both ends of girder steel 200
Be provided with interconnecting piece 230, be attached for the steel column different with two, in the steel tank in interconnecting piece setting there are two every
Plate is labeled as first partition 231 and second partition 232, and steel tank is divided into three sections by partition, and first segment is used for plate-shaped springs component
Installation, be denoted as plate-shaped springs component mounting groove 234, that is to say, that be installation space.Second segment is the sky that five faces block
Between, it is denoted as grout groove 235, is used for cementing operations, effect will be explained later.Third section is conventional steel tank.
Transition piece 300 is made of steel plate 310 and rectangular steel pipe 320, and light plate 310 is equipped with bolt hole, rectangle
Steel pipe 320 is welded to form by four steel plates, and plug division 330 is formed inside rectangular steel pipe, and plug division is used for and the connection of girder steel
Portion 230 is cooperated, that is to say, that the inner space of plug division 330 is enough to hold the insertion of 230 end of girder steel interconnecting piece.Rectangle steel
Pipe vertical welding is on the steel plate or subvertical angle is fixed, and forms the T-shaped structure of a type.Above-mentioned transition connection
Part 300 is welded using the steel plate with steel column equal thickness.Reinforce it is possible to further be welded between rectangular steel pipe and steel plate
Rib is supported rectangular steel pipe from upper and lower sides, improves the torsional property of rectangular steel pipe, improves between rectangular steel pipe and steel plate
Plate-shaped springs component 400, plate-shaped springs component therein are two groups, and left and right each one group of setting is in corresponding girder steel
In the mounting groove 234 of two sides, there are five plate-shaped springs, plate-shaped springs are C font for setting in each group of plate-shaped springs, with reference to Fig. 7,
It is mutually symmetrical and is superposed, there is good elastic deformation space.It is set on the column edge of a wing of plate-shaped springs, first partition and steel column
It is equipped with perforative drawing anchor hole 510 each other, after cable wire 500 passes through above-mentioned drawing anchor hole 500, both ends use fastening nut or fastening
Riveted joint is fixed.
It is to be provided with polytetrafluoroethylene (PTFE) cushion block 600, and polytetrafluoroethylene (PTFE) in the corresponding transition of girder steel web 210 connection
Cushion block and web end have slight distance (several millimeters), that is to say, that under normal circumstances, web and polytetrafluoroethylene (PTFE) cushion block
600 be it is discontiguous, in girder steel strenuous exercise, pass through the polytetrafluoroethylene (PTFE) pad being arranged between web and transition piece
Block 600 plays buffer function.
Girder steel interconnecting piece end be inserted into transition piece in plug division in, girder steel first partition 231 and steel column it
Between tensed using cable wire 500, and the flexible connection in horizontal direction is realized under the effect of plate-shaped springs component, that is, cable wire is in
Non-fully tensioning state, in general, reserved 2 millimeters -5 millimeters of elastic telescopic space.Cable wire 500 itself has certain flexibility,
For example, there are length differences when complete tensioning and half are tensioned.Grout groove 234 and square after grafting, in girder steel end
A grouting space is formed between shape steel pipe inner wall, grout hole 321 is set on 320 side plate of rectangular steel pipe, and grout hole 321 is located at
Side plate leans on lower portion, and grouting carries out from bottom to top, and multiple circular holes are provided on the upside of rectangular steel pipe, corresponding in the upper of girder steel
The curb girder edge of a wing 220 is provided with multiple circular holes, and in the filling stage, circular hole is gas vent 233, realizes exhaust upwards, guarantees to fill.It fills
After slurry, it is inserted into bolt in the grout hole of downside, is blocked, while after mortar hardening, which is inserted into mixed
In solidifying soil block, the varied rigid link of transition piece and girder steel is realized.Circular hole and Liang Yi when installation, on the upside of above-mentioned rectangular steel pipe
Circular hole on edge carries out grafting to it, and using the positioning pin of copper material, realizes the positioning of girder steel in the horizontal direction.By fixed
The collective effect of position pin, grout hole bolt and concrete block, under regular situation, such as without macroseism in the case of, girder steel and steel column
Between be varied rigid link, under such state, plate-shaped springs component and cable wire all do not stress, it is ensured that in long service rank
Section, cable wire and plate-shaped springs are in effective status.
The first step machines drawing anchor hole, bolt hole, grout hole and circular hole on steel column in the factory, and is integrally prevented
Corruption processing machines the circular hole on girder steel in the factory and welds the first, second partition, whole to carry out anti-corrosion nursing；In factory
Middle machining transition piece, and drill bolt hole, drawing anchor hole, it is whole to carry out preservative treatment；
Second step completes the assembling of transition piece and girder steel at ground, teflon gasket is bonded in transition
Inside the plug division of connector, it is divided to two groups to be connect respectively from two sides using cable wire with first partition plate-shaped springs component, cable wire
The other end is hanging, is then simply positioned between girder steel and transition piece using positioning pin；
Third step carries out the lifting of girder steel, and cable wire free end is passed to the drawing anchor hole on steel column, then using high-intensitive spiral shell
Bolt is tentatively fastened transition piece with steel column, is then carried out end to cable wire and is fixed, and high-intensitive spiral shell is finally carried out
The fastening of bolt.
4th step extracts positioning pin out, will be in the milk in grouting space, until filling, then uses screw plugging grouting hole, makes
Circular hole position is blocked with positioning pin, wherein the length of screw is far longer than the thickness of rectangular steel pipe.
5th step, until mortar is fully hardened, completion is installed for maintenance.
Can explicitly it be found out by work progress, all machinings and welding are all completed in the factory,
Precision is high, and consistency is good, ready-made only containing lifting, fastener fastening and local cementing operations, may be implemented to turn completely with formula
Its superiority is further explained below by performance during one's term of military service:
In the case of normal service, it is rigidly connected between steel column and transition piece by multiple groups high-strength bolt group,
It is varied rigid link between transition piece and girder steel, varied rigid link refers to, positioning pin (copper material), screw and concrete block
700 cooperation, this connection can produce to a certain extent it is small be located at, such as positioning pin is under the action of shear force
Light deformation occurs, micro- avalanche occurs under screw shearing action for concrete block.Usually in this case, according to steel column and girder steel etc.
The flexibility and ductility of itself steel carry out micro-strain.When macroseism occurs, due to strong shaking, the first positioning of copper material
Pin can be cut under strong shearing force, and then girder steel has the fortune of a transverse direction (horizontal direction) relative to transition piece
It is dynamic, in the motion process of girder steel, need to overcome the resistance of plate-shaped springs component, while need can with screw and concrete block it
Between damping and concrete block and rectangular steel pipe inner surface between frictional force, in the process, three kinds damping presence can
With effectively consume horizontal direction vibration energy (building up to collapsing, the overwhelming majority has strongly with horizontal vibrating transition
Close), wherein plate-shaped springs component also has certain restoring force, passes through the high frequency between girder steel and transition piece, reciprocal fortune
The dynamic purpose for realizing earthquake energy after earthquake, is replaced positioning pin, is gone along with sb. to guard him also very convenient.
When superpower earthquake occurs, due to being set with the presence of length and depositing for cable wire between girder steel and transition piece
, it is ensured that brittleness collapsing does not occur between girder steel and steel column.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, relevant technical staff in the field is to various changes of the invention
Shape and improvement should all expand in the protection scope as determined by claims of the present invention.