CN105239675B - A kind of concrete filled steel tube switching node structure and its construction method - Google Patents

A kind of concrete filled steel tube switching node structure and its construction method Download PDF

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Publication number
CN105239675B
CN105239675B CN201510725519.0A CN201510725519A CN105239675B CN 105239675 B CN105239675 B CN 105239675B CN 201510725519 A CN201510725519 A CN 201510725519A CN 105239675 B CN105239675 B CN 105239675B
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rib plate
inner rib
section
pillar
floor
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CN105239675A (en
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左志亮
蔡健
杨春
陈庆军
姜正荣
刘达鑫
张成天
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South China University of Technology SCUT
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South China University of Technology SCUT
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Abstract

The invention discloses a kind of concrete filled steel tube switching node structure and its construction method, one of which concrete filled steel tube switching node structure, including pillar, batter post and bearing frame, the batter post is fixedly connected on bearing frame, the bearing frame is fixedly installed on inside pillar and positioned at the top of pillar, the bearing frame includes perpendicular inner rib plate, there is section on batter post, section includes cross section, the shape of perpendicular inner rib plate formation is corresponding with shape of cross section and is extended with connection floor, the connection floor of stretching is fixedly attached on the inwall of pillar, batter post is fixed on perpendicular inner rib plate by section.The present invention combines the advantage of concrete filled steel tube and inclined column transfer structure, have the advantages that power transmission directly, high capacity, sectional dimension of members is small, be conducive to the utilization of space, without formwork and Site Welding workload is few, construction quality is guaranteed.Two batter posts constitute triangle power transmission pattern with girder system, while having good lateral resisting ability.

Description

A kind of concrete filled steel tube switching node structure and its construction method
Technical field
The present invention relates to one kind building switching node structure and its construction method, and in particular to a kind of concrete filled steel tube conversion Node structure and its construction method.
Background technology
As the high-rise, function of high-rise building and form constantly develop toward diversified direction, the application of conversion layer It is more and more extensive.Inclined column transfer structure has translation building block, and it is primarily subjected to xial feed, with Path of Force Transfer it is short, conversion structure The less feature of part sectional dimension, is conducive to the use of space, thus is with a wide range of applications.In addition, because turning Change component and be primarily subjected to xial feed, so being adapted to use concrete filled steel tubular member.Concrete filled steel tubular member size is than traditional steel Reinforced concrete component is small, and saves template, is not required to assembling reinforcement, and construction speed is fast, construction quality is guaranteed.Inclined column transfer structure Batter post and pillar when using concrete filled steel tubular member, referred to as concrete filled steel tube inclined column transfer structure.Node is mixed as steel pipe The achievement in research of significant points in solidifying soil inclined column transfer structure, its mechanical property and building method is few, is mixed as restriction steel pipe The bottleneck of solidifying soil inclined column transfer structure application.
According to the difference of translation building block type, existing inclined column transfer structure node is broadly divided into armored concrete inclined column transfer Node, steel reinforced concrete Transferring Joints with Inclined Columns and concrete filled steel tube Transferring Joints with Inclined Columns three types.
1. translation building block is the Transferring Joints with Inclined Columns of reinforced concrete member
Batter post and pillar are reinforced concrete member, and batter post, pillar, the reinforcing bar of building roof beam are intersected at node, node Area's concrete, which is once poured, is pounded shape.Batter post, the internal force of building roof beam are transferred directly to node district, Ran Houchuan by reinforcing bar and concrete It is handed to pillar, the good integrity of node.But, Shortcomings in actual applications, predominantly:
(1) sectional dimension of members is big, influences the use of space.Batter post in inclined column transfer structure undertakes superstructure The load transmitted, internal force is larger, and bigger with the bigger batter post internal force in inclination angle of vertical direction.The bearing capacity of reinforced concrete member Relatively low, in order to meet the requirement of security, the sectional dimension of batter post and the volume of node are larger, and transfer floor will be caused to build The inconvenience that reduction and pipeline using space are passed through.
(2) node construction difficulty is big.Although the globality of Reinforced Concrete Transferring Joints with Inclined Columns is preferably, many batter posts, Pillar, the reinforcing bar of building roof beam collect in node district, anchored, and node district reinforcing bar is intensive, colligation is difficult, and construction quality is difficult to ensure card.Section Point area's volume is big, and casting and compacting of concrete density is difficult to ensure card, and pours that heat of hydration when smashing is high, temperature stress is larger, and fracture control is not Profit.In addition, concrete structure construction process needs form erecting operation, the duration is longer.
2. translation building block is the Transferring Joints with Inclined Columns of Steel Reinforced Concrete Members
Batter post and pillar are Steel Reinforced Concrete Members, and batter post, pillar, the reinforcing bar of building roof beam, shaped steel are intersected at node, Node district concrete is once poured and is pounded shape.Batter post, the internal force of building roof beam are transferred directly to node by shaped steel, reinforcing bar and concrete Area, is then passed to pillar, the good integrity of node.
The translation building block of this type node uses steel reinforced concrete, and section is smaller than reinforced concrete member, is conducive to building The use in space.But, the reinforcing bar for having many batter posts, the shaped steel of pillar and reinforcing bar and building roof beam at node collects, node district Reinforcing bar is intensive, colligation is difficult, and difficulty of construction is big, and quality is difficult to ensure card.
3. translation building block is the Transferring Joints with Inclined Columns of concrete filled steel tubular member
Batter post and pillar use concrete filled steel tube, and building roof beam typically uses girder steel or girder with rolled steel section en cased in concrete, beam and node Connected mode it is identical with general Concrete-filled tubular connections.Vertical load is transmitted by the connection of batter post and pillar, and beam-ends is curved Square is transmitted by node internal partition or outer annular-stiffer, and Shear force within the beam end is entered by the connection of web and pillar or batter post steel pipe Row transmission.The concrete filled steel tube inclined column transfer structure applied in engineering mainly has following three types, respectively there is advantage and disadvantage:
(1) batter post mutually passes through formula node with pillar.Rectangle and circular cross-section concrete filled steel tube can be respectively adopted in batter post and pillar Post, also can use circular cross-section steel core concrete column, and its requirement to member section shape is relatively low.Pillar side punches mouth, Batter post is mutually passed through with pillar from pillar side and is connected, and node district sets internal partition or outer ring plate, and building roof beam is connected in node district with pillar Or be directly connected with batter post, batter post, node, pillar concrete once or segmentation is poured and smashes completion.
Pillar side punches and weakens Post sections, and causes the stress distribution for mutually passing through region to complicate.Batter post internal force with Based on axle power, from side transmission internal force to pillar when, level is produced to pillar to shearing component and pillar and batter post Xiang Guan circle The vertical shearing component in face.Level is undertaken to shearing component by the internal partition of Post sections shear-carrying capacity or node district, vertically Shearing component is undertaken by steel pipe seam with mutually passing through the anti-shear concrete intensity at interface, and Path of Force Transfer is clearer and more definite, but power transmission unit it is many, Cause node district stress distribution complicated, easily form plane of weakness.The building roof beam being generally aligned in the same plane with batter post can only be with batter post Connection, it is impossible to be directly connected with pillar, the indefinite of node region power transmission will be further resulted in.If node district is connected by outer ring plate Different directions building roof beam is connect, will greatly increase node district scope, architectural appearance is influenceed and uses.
(2) batter post and pillar dock node.The type node is only applicable to batter post and pillar and uses square-section steel The situation of pipe concrete column, and general only 2 batter posts of connection.Pillar cross-sectional area and two batter post intersection bottom cross sections are total Area equation, batter post lower end and each side steel plate butt welding of pillar, batter post intersection is welded with vertical baffle, vertical baffle with Welded on the inside of pillar steel pipe, node district sets internal partition or outer ring plate, and building roof beam is connected in node district with pillar, batter post, node, branch The concrete of post is once or segmentation is poured and smashes completion.Batter post internal force is directly transmitted by the steel pipe and concrete of docking, building roof beam Power transfer mode is identical with common steel tube concrete joint in beam-ends.
The type node guarantee integrality of pillar, Path of Force Transfer is simple, clearly.When but, using the connected mode, Concrete filled steel rectangular tubes component can only be used, and rectangular steel pipe is poor to the effect of restraint of core concrete, economic benefit It is relatively low.
(3) batter post and pillar plug-in type node of internal partition are set, rectangle and circular cross-section steel is respectively adopted in batter post and pillar Pipe concrete column.The steel plate lower end of two batter posts respectively with from the overhanging vertical baffle side welding of node district, perpendicular with node district To the upper end butt welding of floor;Vertical baffle and vertical floor are welded to each other, and lower end is welded with lower internal partition;Node district Upper and lower twice internal partition and outer annular-stiffer are set respectively at the height of lower flange on correspondence building roof beam;Building roof beam node district with Pillar is connected;Batter post, node, pillar concrete can once or segmentation is poured and smashes completion.Batter post end and beam-ends moment of flexure by it is interior every Plate, outer ring plate transmission, batter post vertical load is transferred to node district by vertical baffle and floor, then passes through lower internal partition and coagulation Soil is transferred to pillar in the form of local pressure.
The type node guarantee integrality of pillar, can realize the connection of square-section batter post and circular cross-section pillar, From without influenceing top-out using space, improving the bearing capacity of pillar, Path of Force Transfer is simple, clear and definite.But, joint core Area is provided with upper and lower internal partition, and welding job amount is larger, and when Post sections size is smaller, welding procedure and concrete are poured Difficulty is smash, construction quality is difficult to ensure that.
The content of the invention
For technical problem present in prior art, the purpose of the present invention is:A kind of concrete filled steel tube conversion section is provided Point structure.
It is another object of the present invention to:A kind of concrete filled steel tube switching node construction method is provided.
The purpose of the present invention is achieved through the following technical solutions:A kind of concrete filled steel tube switching node structure, including pillar, Batter post and bearing frame, the batter post are fixedly connected on bearing frame, and the bearing frame is fixedly installed on inside pillar and is located at The top of pillar.
It is preferred that, the bearing frame includes having section on perpendicular inner rib plate, batter post, and section includes cross section, erects inner rib plate The shape of formation is corresponding with shape of cross section and is extended with connection floor, and the connection floor of stretching is fixedly attached to pillar On inwall, batter post is fixed on perpendicular inner rib plate by section.
It is preferred that, the bearing frame is additionally provided with the perpendicular inner rib plate of protrusion that top is stretched out in outside pillar, and the section is also wrapped Include vertical section, the perpendicular inner rib plate of protrusion is fixedly connected with perpendicular inner rib plate, perpendicular internal-rib plate shape is corresponding with shape of cross section and horizontal stroke Section is fixed on perpendicular inner rib plate, and vertical section is mutually fixedly connected with the perpendicular inner rib plate of protrusion.
It is preferred that, in addition to upper outer annular-stiffer and lower outer annular-stiffer, fixation connects respectively for upper outer annular-stiffer and lower outer annular-stiffer It is connected in the outside wall surface of post top portion.
It is preferred that, linking floor, linking rib edges edge difference are provided between the upper outer annular-stiffer and lower outer annular-stiffer It is fixed on outer annular-stiffer, the outside wall surface of pillar and lower outer annular-stiffer.
It is preferred that, the batter post is two and is rectangle batter post, and the cross section of two batter posts surrounds a rectangular section, batter post Vertical section includes two vertical tangent planes and a upper vertical section, and the perpendicular inner rib plate surrounds a rectangle junction, and the protrusion is perpendicular interior Floor is arranged at the middle part of rectangle junction, and rectangular section is fixedly connected in rectangle junction, the vertical tangent plane of two batter posts and upper rip cutting Face is fixed on the perpendicular inner rib plate two sides of protrusion.
It is preferred that, the bearing frame has following two set-up modes:
Mode one:It is described connection floor include first floor and with integrally formed first convex sheet of perpendicular inner rib plate, The perpendicular inner rib plate includes two long floors and two short floors, and two long floors be arranged in parallel, and two short floors are fixed on two length Between floor and two long floor both ends are stretched out to form first convex sheet, and first floor is separately fixed at long floor And/or on short floor lateral surface, the first convex sheet is respectively fixedly connected with the inwall of pillar with first floor;
Mode two:The connection floor includes second floor and protruded with the perpendicular inner rib plate of protrusion integrally formed second Piece, the perpendicular inner rib plate includes two the first floors and four the second floors, and four the second floors two are one group solid respectively Surely on the two sides for being arranged on the perpendicular inner rib plate of protrusion, two first floors are fixed with every group of two second floors respectively, four second The part that floor stretches out in the first floor forms second floor, and the second convex sheet stretches out in perpendicular inner rib plate, the second laminated rib Plate and the second convex sheet are respectively fixedly connected with the inwall of pillar.
It is preferred that, the batter post is two and is circular batter post, and the cross section of batter post is arc cross section, the horizontal stroke of two batter posts Section surrounds a circular arc tangent plane, and the vertical section of batter post is arc vertical tangent plane, and the perpendicular inner rib plate surrounds a circular arc junction, described convex Go out the middle part that perpendicular inner rib plate is arranged at circular arc junction, arc cross section is fixedly attached in circular arc junction, the arc of two batter posts is erected Tangent plane is respectively fixedly connected with the perpendicular inner rib plate two sides of protrusion;Connection floor is fixedly connected on the perpendicular internal-rib for surrounding circular arc junction On plate lateral surface, connection floor external part is fixedly attached on the inwall of pillar.
It is preferred that, it is tiltedly installed with the mouth of pipe of the batter post lower end on deep floor, the deep floor and offers pouring Hole.
A kind of concrete filled steel tube switching node construction method, the mouth of pipe of batter post pending connection position is cut, cut out respectively Cross section and vertical section;
Perpendicular inner rib plate is fabricated to and batter post cross section identical shape and is extended with and is connected floor, then will protrusion it is perpendicular in Floor is arranged on the middle part that perpendicular inner rib plate surrounds shape, and the connection floor of stretching is welded on the inwall of pillar, described convex Go out perpendicular inner rib plate top to stretch out in outside pillar;
Pillar is docked with bottom steel core concrete column, and casting concrete is to node district;
Batter post is lifted in place and cross section and vertical section are welded on perpendicular inner rib plate and the perpendicular inner rib plate of protrusion;
After node district and pillar concrete setting, the concrete of batter post part is poured.
The present invention has the following advantages and effect relative to prior art:
1st, the present invention combines the advantage of concrete filled steel tube and inclined column transfer structure, with power transmission directly, high capacity, structure Part sectional dimension is small, be conducive to the utilization of space, without formwork and Site Welding workload is few, construction quality is guaranteed etc. Advantage.Two batter posts constitute triangle power transmission pattern with girder system, while having good lateral resisting ability.
2nd, the present invention can realize the connection of square-section batter post and circular cross-section pillar.Superstructure is oblique using square-section Post, does not influence building to use space.Substructure uses circular cross-section pillar, and steel pipe is big to the effect of contraction of core concrete, Effectively improve the bearing capacity and anti-seismic performance of pillar.In addition, substructure post is away from generally larger, using circular cross-section post to building It is smaller using the adverse effect in space.
3rd, the present invention can realize the connection of circular cross-section batter post and circular cross-section pillar.The present invention uses circular cross-section branch Post, steel pipe is big to the effect of contraction of core concrete, effectively improves the bearing capacity and anti-seismic performance of pillar.
4th, power transmission unit of the invention is few, power transmission clearly, solve and mutually pass through formula rectangle or circular cross-section batter post and cut with circular Face pillar switching node power transmission unit is more, the indefinite problem of power transmission, while welding job when also solving internal partition under setting The problem of measuring larger, welding and difficult casting and compacting of concrete.Specifically, bearing frame is made up of the perpendicular inner rib plate of protrusion with perpendicular inner rib plate, Because concrete can be passed through easily from the perpendicular space surrounded between inner rib plate and perpendicular inner rib plate of protrusion, production is not smash to pouring for concrete It is raw to hinder;The batter post of the present invention is connected with pillar using plug-in type, and batter post end moment of flexure and vertical internal force pass through perpendicular inner rib plate, protrusion Perpendicular inner rib plate and concrete are transferred directly to pillar, and beam-ends moment of flexure is transmitted by upper outer annular-stiffer and lower outer annular-stiffer.
5th, batter post intersection sets the perpendicular inner rib plate of protrusion, can improve the bearing capacity of batter post intersection, effectively in transmission batter post end Power, nor affects on pouring for concrete and smashes.
The 6th, perpendicular inner rib plate and the perpendicular inner rib plate of protrusion are set in node district, the effect of contraction of node district inner concrete is enhanced, Be conducive to improving core space concrete crushing strength, make the rigidity of node district bigger.
7th, by setting floor, upper outer annular-stiffer and lower outer annular-stiffer to make connection stiffness big, and node can be with any direction Building roof beam connection, the flexible arrangement of beam, it is easy to meet the requirement of building function.
Brief description of the drawings
Fig. 1 is the sectional view of the embodiment of the present invention one.
Fig. 2 is the sectional view of A-A in Fig. 1.
Fig. 3 is the explosive view of the bearing frame of set-up mode one of the present invention.
Fig. 4 is the upper outer annular-stiffer of the present invention, linking floor, lower outer annular-stiffer and pillar installation relation schematic diagram.
Fig. 5 is the deep floor of the embodiment of the present invention one and the installation relation schematic diagram of batter post.
Fig. 6 is bearing frame and the installation relation signal for having been loaded with upper outer annular-stiffer, being connected floor, the pillar of lower outer annular-stiffer Figure.
Fig. 7 is the installation relation schematic diagram of batter post and bearing frame that the embodiment of the present invention one is had been loaded with to deep floor.
Fig. 8 is that the batter post of the embodiment of the present invention one is installed to after bearing frame the schematic diagram of the disturbing concrete in batter post again.
Fig. 9 is the explosive view of the bearing frame of set-up mode two of the present invention.
Figure 10 is the structural representation of the bearing frame of set-up mode two of the present invention.
Figure 11 is the schematic diagram fixed by the bearing frame of set-up mode two of batter post of the embodiment of the present invention one.
Figure 12 is the bearing frame of the embodiment of the present invention two and the annexation schematic diagram of pillar.
Figure 13 is the deep floor of the embodiment of the present invention two and the installation relation schematic diagram of batter post.
Figure 14 is the batter post of the embodiment of the present invention two and the installation relation schematic diagram of bearing frame.
Figure 15 is that the batter post of the embodiment of the present invention two is installed to after bearing frame the schematic diagram of the disturbing concrete in batter post again.
Figure 16 is the sectional view of the concrete filled steel tube switching node structure of the embodiment of the present invention four.
Figure 17 is the sectional view of C-C in Figure 16.
Figure 18 is that the upper outer annular-stiffer of the embodiment of the present invention four, linking floor, lower outer annular-stiffer, lower internal partition and pillar are pacified Fill relation schematic diagram.
Figure 19 is the installation relation schematic diagram of upper internal partition, bearing frame and the pillar of the embodiment of the present invention four.
Figure 20 is that upper internal partition, the bearing frame of the embodiment of the present invention four are installed in pillar the simultaneously signal of disturbing concrete Figure.
Figure 21 is the structural representation of the embodiment of the present invention four.
Figure 22 is that the upper outer annular-stiffer of the embodiment of the present invention five, linking floor, lower outer annular-stiffer, lower internal partition and pillar are pacified Fill relation schematic diagram.
Figure 23 is the installation relation schematic diagram of upper internal partition, bearing frame and the pillar of the embodiment of the present invention five.
Figure 24 is that upper internal partition, the bearing frame of the embodiment of the present invention five are installed in pillar the simultaneously signal of disturbing concrete Figure.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited In this.
Embodiment one:
A kind of concrete filled steel tube switching node structure, including pillar 61, batter post and bearing frame 63, the batter post, which is fixed, to be connected It is connected on bearing frame, the bearing frame is fixedly installed on inside pillar and positioned at the top of pillar.
It is preferred that, the bearing frame includes having section on perpendicular inner rib plate 64, batter post, and section includes cross section 65, erects interior The shape of floor formation is corresponding with shape of cross section and is extended with connection floor, and the connection floor of stretching is fixedly attached to branch On the inwall of post, batter post is fixed on perpendicular inner rib plate by section.It is preferred that, erect internal-rib plate top surface and pillar either flush.
It is preferred that, the bearing frame is additionally provided with the perpendicular inner rib plate 67 of protrusion that top is stretched out in outside pillar, and the section is also Including vertical section, the perpendicular inner rib plate of protrusion is fixedly connected with perpendicular inner rib plate, perpendicular internal-rib plate shape it is corresponding with shape of cross section and Cross section is fixed on perpendicular inner rib plate, and vertical section is mutually fixedly connected with the perpendicular inner rib plate of protrusion.
It is preferred that, in addition to upper outer annular-stiffer 69 and lower outer annular-stiffer 70, upper outer annular-stiffer and lower outer annular-stiffer are solid respectively Surely it is connected in the outside wall surface of post top portion.
It is preferred that, linking floor 71 is provided between the upper outer annular-stiffer and lower outer annular-stiffer, is connected rib edges fate It is not fixed on outer annular-stiffer, the outside wall surface of pillar and lower outer annular-stiffer.The quantity for being connected floor can be 4, pass through rank Rib plate, upper outer annular-stiffer and lower outer annular-stiffer easily can be connected with the building roof beam 66 of any direction.
It is preferred that, the batter post is two and is rectangle batter post 62, and the cross section of two batter posts surrounds a rectangular section, batter post Vertical section include the upper vertical section 73 of two vertical tangent planes 72 and one, the perpendicular inner rib plate surrounds a rectangle junction, described convex Go out the middle part that perpendicular inner rib plate is arranged at rectangle junction, rectangular section is fixedly connected in rectangle junction, the vertical tangent plane of two batter posts and Upper vertical section is fixed on the perpendicular inner rib plate two sides of protrusion.
It is preferred that, the bearing frame has following two set-up modes:
Mode one:It is described connection floor include first floor 74 and with integrally formed first convex sheet of perpendicular inner rib plate 75, the perpendicular inner rib plate includes two long floor 76 and two short floor 77, and two long floors are be arranged in parallel, and two short floors are fixed Between two long floors and two long floor both ends are stretched out to form first convex sheet, first floor is separately fixed at length On floor and/or short floor lateral surface, the first convex sheet is respectively fixedly connected with the inwall of pillar with first floor;
Mode two:The connection floor includes second floor 78 and convex with the perpendicular inner rib plate integrally formed second of protrusion Slice 79, the perpendicular inner rib plate includes two the first floors 80 and four the second floors 81, and four the second floors two are one Group is respectively fixedly disposed on the two sides of the perpendicular inner rib plate of protrusion, and two first floors are fixed with every group of two second floors respectively, The part that four the second floors stretch out in the first floor forms second floor, and the second convex sheet stretches out in perpendicular inner rib plate, Second floor and the second convex sheet are respectively fixedly connected with the inwall of pillar.
It is preferred that, it is tiltedly installed with to offer on deep floor 82, the deep floor in the mouth of pipe of the batter post lower end and pours Grout 83, the benefit for setting irrigation hole is to facilitate flowing through for concrete.
It is preferred that, the cross section of batter post includes two cross sections 41 and a lower vertical section 42.
It is preferred that, the deep floor top is fixedly attached to the inner side of vertical section, and deep floor bottom is fixedly connected To the inner side of lower vertical section, and the deep floor left and right sides is respectively fixedly connected with batter post internal face.
The course of work and operation principle of the present invention:The ribs for offering irrigation hole is set in the two batter post lower end mouths of pipe Plate, which can improve the section bearing capacity of batter post intersecting area, limitation steel plate, to be occurred local buckling, and not to influence pouring for batter post concrete Build;Two batter post lower ends are connected with the perpendicular inner rib plates of joint cores and the perpendicular inner rib plate of protrusion respectively, can effectively by batter post and The stress of concrete is delivered to node district;The perpendicular inner rib plate of perpendicular inner rib plate and protrusion in node district welds mutually to be formed in intersection One, and by bearing frame and pillar steel-pipe welding, so that the internal force of batter post is erected into the group of inner rib plate by erecting inner rib plate and protrusion Conjunction is transferred to pillar;Outer annular-stiffer and lower outer annular-stiffer is respectively welded at the upper lower flange height of correspondence building roof beam, transmits The moment of flexure of building roof beam simultaneously increases the constraint to node district;The shearing of building roof beam is by between upper outer annular-stiffer and lower outer annular-stiffer Linking floor is transferred to node.
Embodiment two:
The present embodiment is with the difference of embodiment one:The batter post is two and is circular batter post 84, the horizontal stroke of batter post Section is arc cross section, and the cross section of two batter posts surrounds a circular arc tangent plane, and the vertical section of batter post is arc vertical tangent plane, described perpendicular Inner rib plate surrounds a circular arc junction 85, and the perpendicular inner rib plate of protrusion is arranged at the middle part of circular arc junction, and arc cross section, which is fixed, to be connected It is connected in circular arc junction, the arc vertical tangent plane of two batter posts is respectively fixedly connected with the perpendicular inner rib plate two sides of protrusion;Connect floor It is fixedly connected on the perpendicular inner rib plate lateral surface for surrounding circular arc junction, connection floor external part is fixedly attached to the inwall of pillar On.
The perpendicular inner rib plate can erect inner rib plate 86 for two arcs, two arcs erect the opening of inner rib plate respectively with protrusion Perpendicular inner rib plate is fixedly connected.
Embodiment three:
A kind of concrete filled steel tube switching node construction method, the mouth of pipe of batter post pending connection position is cut, respectively Cut out cross section and vertical section;
Perpendicular inner rib plate is fabricated to and batter post cross section identical shape and is extended with and is connected floor, then will protrusion it is perpendicular in Floor is arranged on the middle part that perpendicular inner rib plate surrounds shape, and the connection floor of stretching is welded on the inwall of pillar, described convex Go out perpendicular inner rib plate top to stretch out in outside pillar;
Pillar is docked with bottom steel core concrete column, and disturbing concrete is to node district;
Batter post is lifted in place and cross section and vertical section are welded on perpendicular inner rib plate and the perpendicular inner rib plate of protrusion;
After node district and pillar concrete setting, the concrete for smashing batter post part is poured.
Example IV:
A kind of concrete filled steel tube switching node structure, including pillar, batter post and for batter post to be connected on pillar There is section, section includes cross section, and the bearing frame is fixedly installed on inside pillar and positioned at pillar on bearing frame, batter post Top, bearing frame includes lower internal partition 1 and perpendicular inner rib plate, and the perpendicular inner rib plate is fixedly installed on lower internal partition, wherein, erect Internal-rib plate shape is corresponding with batter post shape of cross section, and batter post is fixed on perpendicular inner rib plate by section.
It is preferred that, the bearing frame is additionally provided with the perpendicular inner rib plate of protrusion that top is stretched out in outside pillar, and the section is also wrapped Vertical section is included, the perpendicular inner rib plate of protrusion is fixed on lower internal partition, erects internal-rib plate shape corresponding and transversal with shape of cross section Face is fixed on perpendicular inner rib plate, and vertical section is mutually fixedly connected with the perpendicular inner rib plate of protrusion.
It is preferred that, the bearing frame is additionally provided with the middle part of internal partition 2, upper internal partition and offers connector 3, and connector is solid Surely it is connected on perpendicular inner rib plate top exterior walls face, upper internal partition outward flange is fixedly attached on the internal wall of pipe orifice face of pillar, described The first irrigation hole 4 is offered on lower internal partition, perpendicular inner rib plate bottom is fixedly attached on lower internal partition, and lower internal partition outward flange is consolidated Surely it is connected on the internal face of pillar;
Also include upper outer annular-stiffer and lower outer annular-stiffer, upper outer annular-stiffer and lower outer annular-stiffer correspond to respectively upper internal partition and The position of lower internal partition is fixedly attached in the outside wall surface of pillar.
It is preferred that, multiple first passages, the multiple first passage difference are uniformly offered on the lower internal partition Set around the first irrigation hole;The second irrigation hole 5 is offered on the upper internal partition and multiple is set evenly around the second irrigation hole The second passage put, sets the first passage gas can be facilitated to discharge when by the first irrigation hole concrete perfusion, Full concrete will be stuffed entirely with inside pillar, it is to avoid occur because air can not be discharged and cause filling concrete is not in place to show As such as:Lower internal partition lower position still suffers from the phenomenon in room after concrete has been irrigated, similarly, sets the second passage It is to reach above-mentioned similar effect, no longer describe herein.
It is preferred that, floor is provided between the upper outer annular-stiffer and lower outer annular-stiffer, rib edges edge is separately fixed at On outer annular-stiffer, the outside wall surface of pillar and lower outer annular-stiffer.The quantity of floor can be 4, by floor, upper outer annular-stiffer and Lower outer annular-stiffer easily can be connected with the building roof beam of any direction.
It is preferred that, the batter post is two and is rectangle batter post, and the cross section of two batter posts surrounds a rectangular section, batter post Vertical section includes two vertical tangent planes and a upper vertical section, and the perpendicular inner rib plate surrounds a rectangle junction, and the protrusion is perpendicular interior Floor is arranged at the middle part of rectangle junction, and rectangular section is fixedly connected in rectangle junction, the vertical tangent plane of two batter posts and upper rip cutting Face is fixed on the two sides of the perpendicular inner rib plate of protrusion.The cross section of batter post includes two cross sections and a lower vertical section.
It is preferred that, it is polylith to erect inner rib plate, and polylith erects and surrounds one in " day " font between inner rib plate and the perpendicular inner rib plate of protrusion Structure, and protrude perpendicular inner rib plate and be then located at centre.
Embodiment five:
The present embodiment is with example IV difference:The batter post is two and is circular batter post, batter post it is transversal Face is arc cross section, and the cross section of two batter posts surrounds a circular arc tangent plane, and the vertical section of batter post is arc vertical tangent plane, described perpendicular interior Floor surrounds a circular arc junction, and the protrusion erects the middle part that inner rib plate is arranged at circular arc junction, and arc cross section is fixedly attached to In circular arc junction, the arc vertical tangent plane of two batter posts is respectively fixedly connected with the perpendicular inner rib plate two sides of protrusion.The perpendicular inner rib plate Inner rib plate can be erected for two arcs, the opening that two arcs erect inner rib plate is fixedly connected with the perpendicular inner rib plate of protrusion respectively.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification, Equivalent substitute mode is should be, is included within protection scope of the present invention.

Claims (9)

1. a kind of concrete filled steel tube switching node structure, it is characterised in that:Including pillar, batter post and bearing frame, the batter post It is fixedly connected on bearing frame, the bearing frame is fixedly installed on inside pillar and positioned at the top of pillar;
The bearing frame includes having section on perpendicular inner rib plate, batter post, and section includes cross section, erect the shape of inner rib plate formation with Shape of cross section is corresponding and is extended with connection floor, and the connection floor of stretching is fixedly attached on the inwall of pillar, batter post It is fixed to by section on perpendicular inner rib plate.
2. concrete filled steel tube switching node structure according to claim 1, it is characterised in that:The bearing frame is additionally provided with The protrusion that top is stretched out in outside pillar erects inner rib plate, and the section also includes vertical section, and the perpendicular inner rib plate of protrusion is consolidated with perpendicular inner rib plate Fixed connection, perpendicular internal-rib plate shape is corresponding with shape of cross section and cross section is fixed on perpendicular inner rib plate, vertical section and protrusion Perpendicular inner rib plate is mutually fixedly connected.
3. concrete filled steel tube switching node structure according to claim 1, it is characterised in that:Also include upper outer annular-stiffer and Lower outer annular-stiffer, upper outer annular-stiffer and lower outer annular-stiffer are respectively fixedly connected with the outside wall surface of post top portion.
4. concrete filled steel tube switching node structure according to claim 3, it is characterised in that:The upper outer annular-stiffer is with Be provided with linking floor between outer annular-stiffer, linking rib edges edge be separately fixed at outer annular-stiffer, the outside wall surface of pillar and under On outer annular-stiffer.
5. concrete filled steel tube switching node structure according to claim 2, it is characterised in that:The batter post is two and is Rectangle batter post, the cross section of two batter posts surrounds a rectangular section, and the vertical section of batter post includes two vertical tangent planes and one upper vertical Tangent plane, the perpendicular inner rib plate surrounds a rectangle junction, and the protrusion erects the middle part that inner rib plate is arranged at rectangle junction, rectangular section It is fixedly connected in rectangle junction, the vertical tangent plane of two batter posts and upper vertical section are fixed on the perpendicular inner rib plate two sides of protrusion.
6. concrete filled steel tube switching node structure according to claim 5, it is characterised in that:The bearing frame has following Two kinds of set-up modes:
Mode one:It is described connection floor include first floor and with integrally formed first convex sheet of perpendicular inner rib plate, it is described Perpendicular inner rib plate includes two long floors and two short floors, and two long floors be arranged in parallel, and two short floors are fixed on two long floors Between and two long floor both ends stretch out to form first convex sheet, first floor be separately fixed at long floor and/or On short floor lateral surface, the first convex sheet is respectively fixedly connected with the inwall of pillar with first floor;
Mode two:The connection floor includes second floor and erects integrally formed second convex sheet of inner rib plate with protrusion, The perpendicular inner rib plate includes two the first floors and four the second floors, and four the second floors two are fixed and set respectively for one group Put on the two sides of the perpendicular inner rib plate of protrusion, two first floors are fixed with every group of two second floors respectively, four the second floors The part for stretching out in the first floor forms second floor, and the second convex sheet stretches out in perpendicular inner rib plate, second floor with Second convex sheet is respectively fixedly connected with the inwall of pillar.
7. concrete filled steel tube switching node structure according to claim 2, it is characterised in that:The batter post is two and is Circular batter post, the cross section of batter post is arc cross section, and the cross section of two batter posts surrounds a circular arc tangent plane, and the vertical section of batter post is Arc vertical tangent plane, the perpendicular inner rib plate surrounds a circular arc junction, and the protrusion erects the middle part that inner rib plate is arranged at circular arc junction, arc Shape cross section is fixedly attached in circular arc junction, and the arc vertical tangent plane of two batter posts is respectively fixedly connected with the perpendicular inner rib plate both sides of protrusion On face;Connection floor is fixedly connected on the perpendicular inner rib plate lateral surface for surrounding circular arc junction, and connection floor external part is fixedly connected Onto the inwall of pillar.
8. concrete filled steel tube switching node structure according to claim 1, it is characterised in that:In the mouth of pipe of the batter post lower end It is tiltedly installed with deep floor, the deep floor and offers irrigation hole.
9. a kind of concrete filled steel tube switching node construction method, it is characterised in that:
The mouth of pipe of batter post pending connection position is cut, cross section and vertical section are cut out respectively;
Perpendicular inner rib plate is fabricated to and batter post cross section identical shape and is extended with and is connected floor, then will the perpendicular inner rib plate of protrusion The middle part that perpendicular inner rib plate surrounds shape is arranged on, the connection floor of stretching is welded on the inwall of pillar, the protrusion is perpendicular Inner rib plate top is stretched out in outside pillar;
Pillar is docked with bottom steel core concrete column, and casting concrete is to node district;
Batter post is lifted in place and cross section and vertical section are welded on perpendicular inner rib plate and the perpendicular inner rib plate of protrusion;
After node district and pillar concrete setting, the concrete of batter post part is poured.
CN201510725519.0A 2015-10-29 2015-10-29 A kind of concrete filled steel tube switching node structure and its construction method Active CN105239675B (en)

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CN106368322B (en) * 2016-09-27 2018-12-04 北京市机械施工有限公司 A kind of installation method for the bi-directional symmetrical inclination steel column between super high-rise building conversion layer
CN113374083B (en) * 2021-05-24 2022-06-21 哈尔滨工业大学 Node structure of steel-recycled concrete composite beam and circular steel tube high-strength concrete column and construction method thereof
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CN205153149U (en) * 2015-10-29 2016-04-13 华南理工大学 Steel pipe concrete conversion node structure

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CN2399464Y (en) * 1999-07-14 2000-10-04 王志林 Steel structure building slab
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