CN110173076A - A kind of no-welding steel core concrete column of high anti-seismic, structural system and its construction method - Google Patents

A kind of no-welding steel core concrete column of high anti-seismic, structural system and its construction method Download PDF

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Publication number
CN110173076A
CN110173076A CN201910483693.7A CN201910483693A CN110173076A CN 110173076 A CN110173076 A CN 110173076A CN 201910483693 A CN201910483693 A CN 201910483693A CN 110173076 A CN110173076 A CN 110173076A
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steel
tube coupling
plate
steel pipe
column
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姚攀峰
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姚攀峰
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Priority to CN201910483693.7A priority Critical patent/CN110173076A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • E04B1/5825Connections for building structures in general of bar-shaped building elements with a closed cross-section
    • E04B1/5831Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/94Protection against other undesired influences or dangers against fire
    • E04B1/941Building elements specially adapted therefor
    • E04B1/943Building elements specially adapted therefor elongated
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/32Columns; Pillars; Struts of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings

Abstract

A kind of no-welding steel core concrete column of high anti-seismic, structural system and its construction method, cylinder includes external steel pipe and concrete filled steel tube, it further include annular connecting plate, tube coupling stiffener and connecting pin local strengthening muscle, annular connecting plate is fixedly connected on the end face surface of the connecting pin of external steel pipe, the part that annular connecting plate stretches out external steel pipe outer surface is bolt jointing part, the connecting pin that unit tube coupling side core space is arranged in connecting pin local strengthening muscle forms one section of local strengthening column, cylinder further includes two unit tube couplings that are neighbouring and docking, respectively upper tube coupling and lower tube coupling, structural system is the frame structure for further including beam body and cylinder.Connection type of the present invention is the full latching mechanism of welding under frame structure, with reproducibility, have the characteristics that fire protecting performance is good simultaneously, meet industrialized target, most work can be completed by method for prefabricating, be shortened the construction period, and construction quality is improved, green, energy conservation and environmental protection, steel can repeat to recycle.

Description

A kind of no-welding steel core concrete column of high anti-seismic, structural system and its construction method
Technical field
The present invention relates to a kind of concrete filled steel tube field, especially a kind of concrete filled steel tube of no-welding high anti-seismic, structure System and its construction method.
Background technique
Earthquake is the fast vibration of the earth's crust, earthquake as blowing, rain, be recurrent natural phenomena on the earth. The whole world about occurs 5,000,000 times every year, probably occurs daily 13700 times, and about 1% is the appreciable earthquake of people, is caused tight The earthquake (7 grades or more) destroyed again is 18 times about annual, and 5 grades of earthquakes about thousand times every year, only China is annual occurs 5 grades or more earthquakes about 20~30 times.Earthquake is the major disaster that the mankind must face.
Concrete filled steel tube is important one of fabricated construction form, at present the vertical connection one of steel core concrete column As use welding form, it is big to there is live vertical connecting welding amount, and welding quality is not easy to control when field work, especially northern Under cold conditions, weld job is more difficult to be unfolded, and be easy to cause weldquality bad, and then influences the shock resistance of component.
How to find a kind of can be realized and vertically connect easy, scene without the concrete filled steel tube welded, industrializes Production, green, the structural system of good, the good anti-seismic performance of fire protecting performance become engineering and face important problem.
Summary of the invention
The object of the present invention is to provide a kind of no-welding steel core concrete column of high anti-seismic, structural system and its construction method, It solves existing steel core concrete column and vertically connects that there are welding capacity is big using welding, welding quality is not easily-controllable when field work Under system, especially north cold conditions, weld job is more difficult to be unfolded, and easily causes weldquality bad, and then influence component Shock resistance the technical issues of.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of no-welding steel core concrete column of high anti-seismic, including unit tube coupling, the unit tube coupling include external steel pipe and It further include horizontal annular connecting plate, vertical tube coupling stiffener and vertical in the concrete filled steel tube that external steel duct pours Connecting pin local strengthening muscle,
The annular connecting plate is fixedly connected on the end face surface of the connecting pin of external steel pipe, the ring of the annular connecting plate Shape internal diameter is less than or equal to the internal diameter of external steel pipe joint, and the annular outer diameter of the annular connecting plate is greater than the outer diameter of external steel pipe, The part that annular connecting plate stretches out external steel pipe outer surface is bolt jointing part, and the bolt jointing part is circumferentially spaced to be provided with one group of connection Hole, circumferentially spaced between bolt jointing part and external steel pipe outer surface to be fixedly connected with tube coupling stiffener, the tube coupling stiffener is wrong Open the position setting of connecting hole;
The connecting pin of unit tube coupling side core space, connecting pin local strengthening muscle is arranged in the connecting pin local strengthening muscle It across annular connecting plate, is partly embedded into concrete filled steel tube, connecting pin forms one section of local strengthening column at this, wherein protruding into steel pipe Concrete is reinforcing rib interconnecting piece, and stretching out external steel pipe connecting pin is reinforcing rib over-hang part,
The connecting pin local strengthening muscle includes local strengthening steel reinforcement cage, and the local strengthening steel reinforcement cage includes vertical muscle and hoop Muscle, the stirrup are horizontal hoop and/or tie hoop.
The local strengthening steel reinforcement cage is discontinuous steel reinforcement cage, and local strengthening column is steel pipe reinforced column.
The connecting pin local strengthening muscle further includes that at least one of the part being arranged within the scope of local strengthening steel reinforcement cage adds Strong reinforcing bar, local strengthening column are steel pipe steel framed reinforced concrete column.
A kind of no-welding steel core concrete column of high anti-seismic, including cylinder, the cylinder include it is neighbouring and dock two A unit tube coupling, respectively upper tube coupling and lower tube coupling,
The annular connecting plate consistency from top to bottom of the annular connecting plate of the upper tube coupling and lower tube coupling is simultaneously held out against, the upper tube coupling The connecting hole consistency from top to bottom of connecting hole and lower tube coupling simultaneously passes sequentially through the steel fastener bolt for penetrating two holes and/or riveting;
In the connecting pin junction of two tube couplings, the reinforcing rib over-hang part passes through the annular connecting plate of adjacent tube coupling and buries In the concrete filled steel tube for entering adjacent tube coupling connecting pin, one section of local strengthening column is also formed in the connecting pin of adjacent tube coupling.
A kind of no-welding steel core concrete column of high anti-seismic, including cylinder, the cylinder include it is neighbouring and dock two A unit tube coupling, respectively upper tube coupling and lower tube coupling,
The annular connecting plate consistency from top to bottom of the annular connecting plate of the upper tube coupling and lower tube coupling is simultaneously held out against, the upper tube coupling The connecting hole consistency from top to bottom of connecting hole and lower tube coupling simultaneously passes sequentially through the steel fastener bolt for penetrating two holes and/or riveting;
It is elongated in the upper tube coupling and lower tube coupling to be provided with continuity reinforcement(bar) cage, elongated steel pipe reinforced column is formed, The connecting pin local strengthening muscle is local cypher muscle of the connecting pin junction of two tube couplings among continuity reinforcement(bar) cage.
The measure of the local cypher muscle is the encryption of horizontal hoop spacing, stirrup limb number increases, stirrup diameter increases, additional Two kinds or two kinds in local helical stirrup, the vertical muscle in additional part, additional local horizontal stirrup or additional local strengthening reinforcing bar With the combination of upper type.
A kind of structural system including the no-welding steel core concrete column of high anti-seismic further includes the beam-column connection in cylinder The frame structure for the beam body composition that area is fixedly connected with cylinder, the connecting pin that the beam-column connection area avoids two tube couplings connect Place is met, the beam body includes the node beam section being directly connected to cylinder and joint connection in site beam section, and node beam section and scene are even The size for connecing beam section is identical with form, and the beam body includes joist steel bone,
On the inner wall of the external steel pipe, the position of corresponding joist steel bone is fixedly connected with column sash plate, column vertically adds Strength plate and web shear resisting board, the column sash plate are annular slab, and core space is equipped with the trickling hole trickled for concrete, column Twice or twice or more are arranged in sash plate altogether, are aligned the upper and lower flange plate of joist steel bone, column vertical stiffener edge respectively It is provided at circumferentially spaced and is fixedly connected between upper and lower twice column sash plate, the web shear resisting board is also disposed above and below Between twice column sash plate, connection type is identical as column vertical stiffener,
The web edge joint position two sides of the node beam section and joint connection in site beam section are glued with web junction steel plate, two sides Web junction steel plate is bolted and/or is riveted by steel fastener.
The edge of a wing, which is glued with, on the outside of the node beam section and the upper and lower flange plate edge joint position of joint connection in site beam section connect steel Plate, edge of a wing junction steel plate are bolted with corresponding flange plate by the steel fastener of four corners.
The node beam section and the upper and lower flange plate edge joint position of joint connection in site beam section are cut with groove, node beam section It is welded to connect by weld seam between the upper and lower flange plate of joint connection in site beam section.
The structural system of another no-welding steel core concrete column of high anti-seismic, further includes floor and lateral resisting wallboard,
The floor and the rigid bone of the beam of beam body are bolted by steel fastener, and the beam body and/or cylinder pass through steel fastener It is fixedly connected with lateral resisting wallboard, wherein steel fastener is welded on beam body or cylinder, and the lateral resisting wallboard is connect with steel Part is fixedly connected, described to be fixedly connected as bolting, weld or rivet.
Lead at the connecting node of the structural system of another no-welding steel core concrete column of high anti-seismic, the beam body and cylinder Gusset plate is crossed to be connected to one with support and/or energy dissipation brace.
A kind of construction method of the no-welding steel core concrete column of high anti-seismic, includes the following steps,
Step 1, according to the size selection steel pipe and steel plate of cylinder;The steel pipe is cold roll forming steel pipe or is welded into Shape steel tube, when selecting welding fabrication steel pipe, then first unwrapping wire cutting steel plate is welded into steel pipe;
Step 2 cuts steel plate production annular connecting plate and tube coupling stiffener, and the two is welded on steel pipe and forms external steel Pipe;
Step 3, corresponding position annular connecting plate and tube coupling stiffener being welded on external steel pipe;
Step 4 makes connecting pin local strengthening muscle;
Step 5 is connected to one connecting pin local strengthening muscle with steel pipe;
Lower tube coupling is lifted into position by step 6, is then lifted upper tube coupling to the upside of lower tube coupling, is passed through after being aligned connecting hole The external steel pipe of upper tube coupling and lower tube coupling is connected as one by connector;
Step 7 pours concrete filled steel tube in external steel pipe and conserves to predetermined strength.
The construction method of another no-welding steel core concrete column of high anti-seismic, includes the following steps,
Step 1, according to the size selection steel pipe and steel plate of cylinder;The steel pipe is cold roll forming steel pipe or is welded into Shape steel tube, when selecting welding fabrication steel pipe, then first unwrapping wire cutting steel plate is welded into steel pipe;
Step 2 cuts steel plate production annular connecting plate and tube coupling stiffener, and the two is welded on steel pipe and forms external steel Pipe;
Step 3, corresponding position annular connecting plate and tube coupling stiffener being welded on external steel pipe;
Step 4 makes continuity reinforcement(bar) cage and local cypher muscle;
Step 5 is connected to one continuity reinforcement(bar) cage and local cypher muscle with steel pipe;
Lower tube coupling is lifted into position by step 6, is then lifted upper tube coupling to the upside of lower tube coupling, is passed through after being aligned connecting hole The external steel pipe of upper tube coupling and lower tube coupling is connected as one by connector;
Step 7 pours concrete filled steel tube in external steel pipe and conserves to predetermined strength.
The step 4 and step 5 move to after step 6, before step 7.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
The no-welding steel core concrete column of high anti-seismic of the invention, using the type of attachment bolted entirely, no-welding construction, in the winter Season and extremely frigid zones can guarantee construction quality and junction mechanical property, guarantee all-weather construction.
The no-welding steel core concrete column site operation speed of high anti-seismic of the invention is fast, the concrete filled steel tube being connected with The horizontal shear of column junction is much smaller than the shear-carrying capacity of portion other than connected portion, while the present invention reinforces in bonding pad, can The safety of the shearing resistance, bending resistance that vertically connect is effectively ensured.
The no-welding steel core concrete column of high anti-seismic of the invention uses the concrete column in local strengthening, the spiral shell with junction Bolt or the common shearing resistance of rivet to effectively promote the shear-carrying capacity under stretch bending effect, and form combination in junction and cut Face further promotes the anti-bending bearing capacity of junction.
Local strengthening steel reinforcement cage of the invention is discontinuous steel reinforcement cage, and local strengthening column becomes steel pipe reinforced column, It is easier to implement when construction.
The present invention can also add local strengthening reinforcing bar, and local strengthening column becomes steel pipe steel framed reinforced concrete column.Increase After reinforcing bar, the shearing resistance of connecting node, anti-bending bearing capacity are higher, and the requirement of more high-strength node may be implemented.
Cylinder of the invention it is neighbouring and dock the docking of two unit tube couplings when, it is elongated in upper tube coupling and lower tube coupling to set It is equipped with continuity reinforcement(bar) cage and forms elongated steel pipe reinforced column, it can be with the fire-resistance of lifting column, anti-earthquake ductility.Connecting pin part Reinforce may be implemented the strong node connection of steel pipe reinforced column.
The connection type of structural system of the invention is the full latching mechanism of welding under frame structure, is had renewable Property, it adds after lateral resisting wallboard and forms the concrete filled steel tube system with side force component, reduce frame displacement, in big shake, huge The spy that the steel plate shear force wall of destruction or energy dissipation brace can be completed reparation, while having fire protecting performance good is only needed replacing after shake Point, steel pipe Fire Resistance of Reinforced Concrete Columns are much better than common steel construction, escape in a fire for personnel and provide good item Part.
Structural system of the invention is full latching mechanism, meets industrialized target, most work can be by pre- Method processed is completed, and is shortened the construction period, and construction quality, green, energy conservation and environmental protection are improved, and steel can repeat to recycle.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of one cylinder of the embodiment of the present invention.
Fig. 2 is the cross-sectional view of local strengthening column in Fig. 1.
Fig. 3 is the non-cross-sectional view for reinforcing area in Fig. 1.
Fig. 4 is the structural schematic diagram of two cylinder of the embodiment of the present invention.
Fig. 5 is the cross-sectional view of local strengthening column in Fig. 4.
Fig. 6 is the structural schematic diagram of three cylinder of the embodiment of the present invention.
Fig. 7 is the structural schematic diagram of four cylinder of the embodiment of the present invention.
Fig. 8 is the structural schematic diagram of five cylinder of the embodiment of the present invention.
Fig. 9 is the structural schematic diagram of structure of the invention system implementation example one.
Figure 10 is the structural schematic diagram of structure of the invention system implementation example two.
Appended drawing reference: steel pipe, 2- concrete filled steel tube, 3- annular connecting plate, 4- tube coupling stiffener, 5- connect outside 1- Connect hole, 6- local strengthening steel reinforcement cage, 61- vertical muscle, 62- stirrup, 7- local strengthening column, 8- local strengthening reinforcing bar, 9- steel Connector, 10- node beam section, 11- joint connection in site beam section, 12- column sash plate, 13- column vertical stiffener, 14- Web shear resisting board, 15- web junction steel plate, the edge of a wing 16- junction steel plate, 17- continuity reinforcement(bar) cage, 171- local cypher Muscle.
Specific embodiment
Embodiment one is joined as shown in figure 1 to 3, a kind of no-welding steel core concrete column of high anti-seismic, including unit tube coupling, described Unit tube coupling includes external steel pipe 1 and the concrete filled steel tube 2 that pours inside external steel pipe 1, further includes horizontal annular connection Plate 3, vertical tube coupling stiffener 4 and vertical connecting pin local strengthening muscle.
The annular connecting plate 3 is fixedly connected on the end face surface of the connecting pin of external steel pipe 1, the annular connecting plate 3 Circular inside diameters be less than or equal to the internal diameter of external 1 section of steel pipe, the annular outer diameter of the annular connecting plate 3 is greater than external steel pipe 1 Outer diameter, the part that annular connecting plate 3 stretches out external 1 outer surface of steel pipe is bolt jointing part, and the bolt jointing part is circumferentially spaced There is one group of connecting hole 5, it is circumferentially spaced between 1 outer surface of bolt jointing part and external steel pipe to be fixedly connected with tube coupling stiffener 4, it is described Tube coupling stiffener 4 be staggered connecting hole 5 position setting.
The connecting pin of unit tube coupling side core space, connecting pin local strengthening muscle is arranged in the connecting pin local strengthening muscle It across annular connecting plate 3, is partly embedded into concrete filled steel tube 2, connecting pin forms one section of local strengthening column 7 at this, connects end office (EO) It is reinforcing rib interconnecting piece that portion's reinforcing rib, which protrudes into concrete filled steel tube 2, and connecting pin local strengthening muscle stretches out 1 connecting pin of external steel pipe and is Reinforcing rib over-hang part.
The connecting pin local strengthening muscle includes local strengthening steel reinforcement cage 6, and the local strengthening steel reinforcement cage 6 includes vertical muscle 61 With stirrup 62, the stirrup 62 is horizontal hoop and/or tie hoop.
The local strengthening steel reinforcement cage is discontinuous steel reinforcement cage, and local strengthening column 7 is steel pipe reinforced column.
Embodiment two is referring to fig. 4 shown in -5, what is different from the first embodiment is that the connecting pin local strengthening muscle further include At least one of the local strengthening reinforcing bar 8 being arranged in 6 range of local strengthening steel reinforcement cage, local strengthening column 7 are mixed for steel pipe reinforcing bar reinforcing bar Solidifying earth pillar.Local strengthening reinforcing bar is I-steel in the present embodiment.
Embodiment three is shown in Figure 6, a kind of no-welding steel core concrete column of high anti-seismic, including cylinder, the cylinder packet Include two unit tube couplings that are neighbouring and docking, respectively upper tube coupling and lower tube coupling, the annular connecting plate 3 of the upper tube coupling with 3 consistency from top to bottom of annular connecting plate of lower tube coupling is simultaneously held out against, and the connecting hole 5 of the upper tube coupling and about 5 connecting hole of lower tube coupling are right Together and pass sequentially through the bolt of steel fastener 9 for penetrating two holes and/or riveting.Wherein steel fastener 9 can be bolt or rivet.
In the connecting pin junction of two tube couplings, the reinforcing rib over-hang part passes through the annular connecting plate 3 of adjacent tube coupling simultaneously It is embedded in the concrete filled steel tube 2 of adjacent tube coupling connecting pin, local strengthening column 7 is collectively formed in the connecting pin of adjacent tube coupling.Wherein Local strengthening steel reinforcement cage is discontinuous steel reinforcement cage, and local strengthening column 7 is steel pipe reinforced column.
Example IV is shown in Figure 7, unlike embodiment three, is additionally provided with local strengthening in local strengthening steel reinforcement cage Reinforcing bar 8.Local strengthening column 7 is steel pipe steel framed reinforced concrete column.
The construction method of this no-welding steel core concrete column of high anti-seismic, includes the following steps,
Step 1, according to the size selection steel pipe and steel plate of cylinder;The steel pipe is cold roll forming steel pipe or is welded into Shape steel tube, when selecting welding fabrication steel pipe, then first unwrapping wire cutting steel plate is welded into steel pipe;
Step 2 cuts steel plate production annular connecting plate 3 and tube coupling stiffener 4, the two is welded on steel pipe and forms outside Steel pipe 1;
Annular connecting plate 3 and tube coupling stiffener 4 are welded on the corresponding position on external steel pipe 1 by step 3;
Step 4 makes connecting pin local strengthening muscle;
Step 5 is connected to one connecting pin local strengthening muscle and external steel pipe 1;
Lower tube coupling is lifted into position by step 6, is then lifted upper tube coupling to the upside of lower tube coupling, is led to after being aligned connecting hole 5 Connector is crossed to be connected as one the external steel pipe 1 of upper tube coupling and lower tube coupling;
Step 7 pours concrete filled steel tube 2 in external steel pipe 1 and conserves to predetermined strength.
Embodiment five is shown in Figure 8, a kind of no-welding steel core concrete column of high anti-seismic, including cylinder, the cylinder packet Include two unit tube couplings that are neighbouring and docking, respectively upper tube coupling and lower tube coupling, the annular connecting plate 3 of the upper tube coupling with 3 consistency from top to bottom of annular connecting plate of lower tube coupling is simultaneously held out against, and the connecting hole 5 of the upper tube coupling and about 5 connecting hole of lower tube coupling are right Together and pass sequentially through the bolt of steel fastener 9 for penetrating two holes and/or riveting;The elongated company of being provided in the upper tube coupling and lower tube coupling Continuous steel reinforcement cage 17, forms elongated steel pipe reinforced column, and the connecting pin local strengthening muscle is the connecting pin of two tube couplings Local cypher muscle 63 of the junction among continuity reinforcement(bar) cage.
The measure of the local cypher muscle 171 increases for the encryption of horizontal hoop spacing, stirrup limb number, stirrup diameter increases, In additional local helical stirrup, the vertical muscle in additional part, additional local horizontal stirrup or additional local strengthening reinforcing bar two kinds or The combination of two or more modes.It is the encryption of horizontal hoop spacing and the increased combination of stirrup limb number in the present embodiment.
The construction method of this no-welding steel core concrete column of high anti-seismic, includes the following steps,
Step 1, according to the size selection steel pipe and steel plate of cylinder;The steel pipe is cold roll forming steel pipe or is welded into Shape steel tube, when selecting welding fabrication steel pipe, then first unwrapping wire cutting steel plate is welded into steel pipe;
Step 2 cuts steel plate production annular connecting plate 3 and tube coupling stiffener 4, the two is welded on steel pipe and forms outside Steel pipe 1;
Annular connecting plate 3 and tube coupling stiffener 4 are welded on the corresponding position on external steel pipe 1 by step 3;
Step 4 makes continuity reinforcement(bar) cage 17 and local cypher muscle;
Step 5 is connected to one continuity reinforcement(bar) cage and local cypher muscle with external steel pipe;
Lower tube coupling is lifted into position by step 6, is then lifted upper tube coupling to the upside of lower tube coupling, is led to after being aligned connecting hole 5 Connector is crossed to be connected as one the external steel pipe 1 of upper tube coupling and lower tube coupling;
Step 7 pours concrete filled steel tube 2 in external steel pipe 1 and conserves to predetermined strength.
The step 4 and step 5 move to after step 6, before step 7.
Embodiment one is shown in Figure 9, and a kind of structural system including the no-welding steel core concrete column of high anti-seismic further includes In the frame structure for the beam body composition that the beam-column connection area of cylinder is fixedly connected with cylinder, the beam-column connection area is kept away The connecting pin junction of two tube couplings is opened, the beam body includes the node beam section 10 and joint connection in site beam being directly connected to cylinder Section 11, node beam section 10 is identical as the size of joint connection in site beam section 11 and form, and the beam body includes joist steel bone.
On the inner wall of the external steel pipe 1, that the position of corresponding joist steel bone is fixedly connected with column sash plate 12, column is vertical Stiffener 13 and web shear resisting board 14, the column sash plate 12 are annular slab, and core space is equipped with to trickle for concrete Twice or twice or more are arranged in trickling hole, column sash plate 12 altogether, are aligned top flange plate 111 and the lower flange of joist steel bone respectively Plate 112, the column vertical stiffener 13 are vertically provided at circumferentially spaced and are fixedly connected, institute between twice column sash plate 12 It states web shear resisting board 14 to be also disposed between upper and lower twice column sash plate 12, connection type and column vertical stiffener 13 is identical, and is aligned or is misaligned at 113 position of web for being aligned joist steel bone.
The node beam section 10 and the web edge joint position two sides of joint connection in site beam section 11 are glued with web junction steel plate 15, The web junction steel plate of two sides is bolted and/or is riveted by steel fastener 9.The node beam section 10 and joint connection in site beam section 11 The outside of upper and lower flange plate edge joint position be also glued with edge of a wing junction steel plate 16, edge of a wing junction steel plate 16 and corresponding flange plate It is bolted by the steel fastener 9 of four corners.
Embodiment two is shown in Figure 10, what is different from the first embodiment is that the node beam section 10 and joint connection in site beam The upper and lower flange plate edge joint position of section 11 is cut with groove, the upper and lower flange plate of node beam section 10 and joint connection in site beam section 11 it Between pass through weld seam be welded to connect.The frame that only transverse beam welding can be formed at this time connects applying for girder steel after can reducing Work difficulty.
Wherein the beam body is girder steel, steel framed concrete beam or variation rigidity steel framed concrete beam.
A kind of structural system of the no-welding steel core concrete column of high anti-seismic further includes basis, floor and lateral resisting wallboard, institute The rigid bone of beam for stating floor and beam body is bolted by steel fastener, and the beam body and/or cylinder pass through steel fastener and lateral resisting wall Plate is fixedly connected, and wherein steel fastener is welded on beam body or cylinder, and the lateral resisting wallboard is fixedly connected with steel fastener, It is described to be fixedly connected as bolting, weld or rivet.
Wherein lateral resisting wallboard can for steel plate, out of plane constraint steel plate shear force wall wallboard, armored concrete prefabricated panel or Person's steel plate armored concrete prefabricated panel, the steel plate of wallboard can have ribbed stiffener or without ribbed stiffeners, steel plate can punch or Person's seam.Floor is prefabricated reinforced concrete floor perhaps steel bar truss floor or profiled sheet cast-in-situ steel reinforced concrete building Plate.Basis is reinforced concrete foundation, and reinforced concrete foundation is isolated footing, raft foundation, beam foundation, box foundation.
Lead at the connecting node of the structural system of another no-welding steel core concrete column of high anti-seismic, the beam body and cylinder Gusset plate is crossed to be connected to one with support and/or energy dissipation brace.
Concrete filled steel tube involved in the present invention and floorslab concrete can be normal concrete, or regeneration coagulation Soil or high fly-ash concrete.Connection between the reinforcing bar of steel pipe reinforced column can be for overlap joint, welding, machinery even It connects.Peg can also be set in steel pipe.Steel fastener 9 can be bolt or rivet.

Claims (14)

1. a kind of no-welding steel core concrete column of high anti-seismic, including unit tube coupling, the unit tube coupling include external steel pipe (1) and The concrete filled steel tube (2) poured inside external steel pipe (1), it is characterised in that: further include horizontal annular connecting plate (3), perpendicular To tube coupling stiffener (4) and vertical connecting pin local strengthening muscle,
The annular connecting plate (3) is fixedly connected on the end face surface of the connecting pin of external steel pipe (1), the annular connecting plate (3) circular inside diameters are less than or equal to the internal diameter of external steel pipe (1) section, and the annular outer diameter of the annular connecting plate (3) is greater than outer The outer diameter of portion's steel pipe (1), the part that annular connecting plate (3) stretches out external steel pipe (1) outer surface is bolt jointing part, the bolt jointing part It is circumferentially spaced to be provided with one group of connecting hole (5), it is circumferentially spaced between bolt jointing part and external steel pipe (1) outer surface to be fixedly connected Tube coupling stiffener (4), the tube coupling stiffener (4) be staggered connecting hole (5) position setting;
The connecting pin of unit tube coupling side core space is arranged in the connecting pin local strengthening muscle, and connecting pin local strengthening muscle passes through Annular connecting plate (3) is partly embedded into concrete filled steel tube (2), and connecting pin forms one section of local strengthening column (7), connecting pin at this It is reinforcing rib interconnecting piece that local strengthening muscle, which protrudes into concrete filled steel tube (2), and connecting pin local strengthening muscle stretches out external steel pipe (1) and connects End is reinforcing rib over-hang part,
The connecting pin local strengthening muscle includes local strengthening steel reinforcement cage (6), and the local strengthening steel reinforcement cage (6) includes vertical muscle (61) and stirrup (62), the stirrup (62) are horizontal hoop and/or tie hoop.
2. the no-welding steel core concrete column of high anti-seismic according to claim 1, it is characterised in that: the local strengthening reinforcing bar Cage is discontinuous steel reinforcement cage, and local strengthening column (7) is steel pipe reinforced column.
3. the no-welding steel core concrete column of high anti-seismic according to claim 2, it is characterised in that: the connecting pin locally adds Strengthening tendons further include at least one of the local strengthening reinforcing bar (8) being arranged in local strengthening steel reinforcement cage (6) range, local strengthening column It (7) is steel pipe steel framed reinforced concrete column.
4. the no-welding steel core concrete column of high anti-seismic according to claim 1 to 3, including cylinder, feature exist In: the cylinder includes two unit tube couplings that are neighbouring and docking, respectively goes up tube coupling and lower tube coupling,
The annular connecting plate (3) of the upper tube coupling and annular connecting plate (3) consistency from top to bottom of lower tube coupling are simultaneously held out against, the upper tube coupling Connecting hole (5) and lower tube coupling connecting hole (5) consistency from top to bottom and passing sequentially through penetrate two holes steel fastener (9) bolt and/ Or riveting;
In the connecting pin junction of two tube couplings, the reinforcing rib over-hang part passes through the annular connecting plate (3) of adjacent tube coupling and buries In the concrete filled steel tube (2) for entering adjacent tube coupling connecting pin, one section of local strengthening column (7) is also formed in the connecting pin of adjacent tube coupling.
5. the no-welding steel core concrete column of high anti-seismic according to claim 1, including cylinder, it is characterised in that: the column Body includes two unit tube couplings that are neighbouring and docking, respectively goes up tube coupling and lower tube coupling,
The annular connecting plate (3) of the upper tube coupling and annular connecting plate (3) consistency from top to bottom of lower tube coupling are simultaneously held out against, the upper tube coupling Connecting hole (5) and lower tube coupling connecting hole (5) consistency from top to bottom and passing sequentially through penetrate two holes steel fastener (9) bolt and/ Or riveting;
It is elongated in the upper tube coupling and lower tube coupling to be provided with continuity reinforcement(bar) cage (17), elongated steel pipe reinforced column is formed, The connecting pin local strengthening muscle is local cypher muscle of the connecting pin junction of two tube couplings among continuity reinforcement(bar) cage (63)。
6. the no-welding steel core concrete column of high anti-seismic according to claim 5, it is characterised in that: the local cypher muscle (171) measure is the encryption of horizontal hoop spacing, stirrup limb number increases, stirrup diameter increases, adds local helical stirrup, is additional The combination of two or more mode in the vertical muscle in part, additional local horizontal stirrup or additional local strengthening reinforcing bar.
7. a kind of includes the structural body of the no-welding steel core concrete column of high anti-seismic according to claim 4-6 any one System, it is characterised in that: it further include the frame structure for the beam body composition being fixedly connected in the beam-column connection area of cylinder with cylinder, The beam-column connection area avoids the connecting pin junction of two tube couplings, and the beam body includes the node being directly connected to cylinder Beam section (10) and joint connection in site beam section (11), the size and form phase of node beam section (10) and joint connection in site beam section (11) Together, the beam body includes joist steel bone,
On the inner wall of the external steel pipe (1), that the position of corresponding joist steel bone is fixedly connected with column sash plate (12), column is vertical Stiffener (13) and web shear resisting board (14), the column sash plate (12) are annular slab, and core space is equipped with for concrete Twice or twice or more are arranged in the trickling hole of trickling, column sash plate (12) altogether, are aligned the top flange plate of joist steel bone respectively (111) and bottom wing listrium (112), the column vertical stiffener (13) is vertically between twice column sash plate (12) between circumferential direction Every being arranged and being fixedly connected, the web shear resisting board (14) is also disposed between upper and lower twice column sash plate (12), Connection type is identical as column vertical stiffener (13),
The web edge joint position two sides of the node beam section (10) and joint connection in site beam section (11) are glued with web junction steel plate (15), the web junction steel plate of two sides is bolted and/or is riveted by steel fastener (9).
8. the structural system of the no-welding steel core concrete column of high anti-seismic according to claim 7, it is characterised in that: the section Edge of a wing junction steel plate is glued on the outside of point beam section (10) and the upper and lower flange plate edge joint position of joint connection in site beam section (11) (16), edge of a wing junction steel plate (16) is bolted and/or is riveted by the steel fastener (9) of four corners with corresponding flange plate.
9. the structural system of the no-welding steel core concrete column of high anti-seismic according to claim 7, it is characterised in that: the section Point beam section (10) and the upper and lower flange plate edge joint position of joint connection in site beam section (11) are cut with groove, node beam section (10) with It is welded to connect by weld seam between the upper and lower flange plate of joint connection in site beam section (11).
10. a kind of structural system of the no-welding steel core concrete column of high anti-seismic according to claim 7-9 any one, It is characterized in that: further including floor and lateral resisting wallboard,
The floor and the rigid bone of the beam of beam body are bolted by steel fastener, and the beam body and/or cylinder by steel fastener and resist Side force wallboard is fixedly connected, and wherein steel fastener is welded on beam body or cylinder, and the lateral resisting wallboard and steel fastener are solid Fixed connection, it is described to be fixedly connected as bolting, weld or rivet.
11. a kind of structural system of the no-welding steel core concrete column of high anti-seismic according to claim 10, it is characterised in that:
It is connected to one at the beam body and the connecting node of cylinder by gusset plate and support and/or energy dissipation brace.
12. a kind of construction method of the no-welding steel core concrete column of high anti-seismic according to claim 4, which is characterized in that Include the following steps,
Step 1, according to the size selection steel pipe and steel plate of cylinder;The steel pipe is cold roll forming steel pipe or is welded into fashioned iron Pipe, when selecting welding fabrication steel pipe, then first unwrapping wire cutting steel plate is welded into steel pipe;
Step 2 cuts steel plate production annular connecting plate (3) and tube coupling stiffener (4), and the two is welded on steel pipe and forms outside Steel pipe (1);
Step 3, corresponding position annular connecting plate (3) and tube coupling stiffener (4) being welded on external steel pipe (1);
Step 4 makes connecting pin local strengthening muscle;
Step 5 is connected to one connecting pin local strengthening muscle and external steel pipe (1);
Lower tube coupling is lifted into position by step 6, is then lifted upper tube coupling to the upside of lower tube coupling, is passed through after being aligned connecting hole (5) The external steel pipe (1) of upper tube coupling and lower tube coupling is connected as one by connector;
Step 7 pours concrete filled steel tube (2) in external steel pipe (1) and conserves to predetermined strength.
13. a kind of construction method of the no-welding steel core concrete column of high anti-seismic according to claim 5 or 6, feature exist In, include the following steps,
Step 1, according to the size selection steel pipe and steel plate of cylinder;The steel pipe is cold roll forming steel pipe or is welded into fashioned iron Pipe, when selecting welding fabrication steel pipe, then first unwrapping wire cutting steel plate is welded into steel pipe;
Step 2 cuts steel plate production annular connecting plate (3) and tube coupling stiffener (4), and the two is welded on steel pipe and forms outside Steel pipe (1);
Step 3, corresponding position annular connecting plate (3) and tube coupling stiffener (4) being welded on external steel pipe (1);
Step 4 makes continuity reinforcement(bar) cage (17) and local cypher muscle;
Step 5 is connected to one continuity reinforcement(bar) cage and local cypher muscle with external steel pipe;
Lower tube coupling is lifted into position by step 6, is then lifted upper tube coupling to the upside of lower tube coupling, is passed through after being aligned connecting hole (5) The external steel pipe (1) of upper tube coupling and lower tube coupling is connected as one by connector;
Step 7 pours concrete filled steel tube (2) in external steel pipe (1) and conserves to predetermined strength.
14. the construction method of the structural system of the no-welding steel core concrete column of high anti-seismic according to claim 13, special Sign is: the step 4 and step 5 move to after step 6, before step 7.
CN201910483693.7A 2019-06-04 2019-06-04 A kind of no-welding steel core concrete column of high anti-seismic, structural system and its construction method Pending CN110173076A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922234A (en) * 2021-01-27 2021-06-08 海南大学 Equivalent steel reinforced concrete prefabricated column and construction method thereof
CN113982109A (en) * 2021-12-29 2022-01-28 中铁建设集团有限公司 Unequal-strength beam column joint based on steel plate hoop constrained concrete superposed short column

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922234A (en) * 2021-01-27 2021-06-08 海南大学 Equivalent steel reinforced concrete prefabricated column and construction method thereof
CN113982109A (en) * 2021-12-29 2022-01-28 中铁建设集团有限公司 Unequal-strength beam column joint based on steel plate hoop constrained concrete superposed short column

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