CN106869326A - Frame system and construction method that hollow steel tube concrete integral node is constituted - Google Patents
Frame system and construction method that hollow steel tube concrete integral node is constituted Download PDFInfo
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- CN106869326A CN106869326A CN201710143673.6A CN201710143673A CN106869326A CN 106869326 A CN106869326 A CN 106869326A CN 201710143673 A CN201710143673 A CN 201710143673A CN 106869326 A CN106869326 A CN 106869326A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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Abstract
The frame system and construction method constituted the present invention relates to hollow steel tube concrete integral node, the frame system that this hollow steel tube concrete integral node is constituted is connected and composed by coupled column and combination beam by node, combination beam is horizontally set between coupled column, and node is the overcoat monoblock type node of inner-concrete with high intensity；Coupled column is sectional type hollow tube concrete combination column, combination beam is sectional type external prestressing honeycomb type I-beam, the side at sectional type external prestressing honeycomb type I-beam two ends is respectively provided with beam connecting plate, the lower end of beam connecting plate carries beam dart, bolt hole is set on beam connecting plate, presstressed reinforcing steel hole is also provided with beam dart, by beam dart stretch-draw anchor presstressed reinforcing steel；Node is fixedly connected by upper connection ring, lower connection ring with coupled column, and node is connected by node dart with the beam connecting plate of combination beam.The present invention solves the problems, such as Concrete-filled Double Skin Steel Tube Columns and girder connection connection complexity.
Description
Technical field
The present invention relates to the house frame structure in civil engineering structure field, and in particular to hollow steel tube concrete entirety
Frame system and construction method that node is constituted.
Background technology
In conventional rebar concrete frame structure system, frame joint is generally reinforced concrete cast-in-situ node, this kind of reinforcing bar
Concrete joint needs the subsequent casting concrete of formwork, assembling reinforcement as frame beam column, and not only bearing capacity is relatively low for component, apply
The work cycle is partially long, and is easily destroyed in geological process lower node.With developing rapidly for civil construction industry, concrete filled steel tube
Structure is widely used, and hollow sandwich concrete structure is a kind of new structure based on concrete filled steel tube,
Concrete-filled double skin steel tube is the combined member that casting concrete is formed between the concentric steel pipe of inside and outside two-layer, its outer and inner tube
Instead of reinforcing bar and produce effect of contraction, concrete to be improved in three dimension stress state compressive property sandwich concrete,
Plasticity and toughness properties are improved, compared with traditional concrete filled steel tubular member, hollow sandwich steel tube concrete pole entirety
With from heavy and light, the characteristic that bending rigidity is big, anti-seismic performance is good and fire resistance is good, but Concrete-filled Double Skin Steel Tube Columns-steel
The complexity of the node connection of girder construction system but constrains application of the hollow sandwich steel tube concrete pole in Practical Project,
Therefore propose that a kind of reasonable easily node connected mode is extremely urgent.
The content of the invention
It is an object of the present invention to provide the frame system that hollow steel tube concrete integral node is constituted, this cored steel
The frame system that pipe concrete integral node is constituted is used to solve Concrete-filled Double Skin Steel Tube Columns and girder connection connection complexity
Problem, while node can be avoided to connect difficult, easily to destroy problem, it is a further object to provide this cored steel
The construction method of the frame system that pipe concrete integral node is constituted.
The technical solution adopted for the present invention to solve the technical problems is：This hollow steel tube concrete integral node is constituted
Frame system connected and composed by node by coupled column and combination beam, combination beam is horizontally set between coupled column, and node is
The overcoat monoblock type node of inner-concrete with high intensity；Overcoat monoblock type node includes the node with upper connection ring and lower connection ring
Bolt hole is equipped with outer tube, upper connection ring and lower connection ring, upper enforced loop plane is arranged at node outer tube top, and lower reinforcing ring is arranged at bottom
Plate, upper enforced loop plane horizontally outward extends the top flange to form I-shaped end carriage, and lower enforced loop plane horizontally outward extends to form work
The lower flange of font end carriage, is node web between the upper and lower edge of a wing of I-shaped end carriage, and the end of I-shaped end carriage passes through node
Dart is connected, and the position that node dart is located between the top flange of I-shaped end carriage and the lower flange of I-shaped end carriage is set
Bolt hole, the position that node dart is located under I-shaped end carriage is provided with presstressed reinforcing steel hole；Coupled column is sectional type hollow tube
Concrete combination column, combination beam is sectional type external prestressing honeycomb type I-beam, sectional type external prestressing honeycomb type I-shaped
The side at beam two ends is respectively provided with beam connecting plate, and the lower end of beam connecting plate carries beam dart, bolt hole, beam are set on beam connecting plate
Presstressed reinforcing steel hole is also provided with dart, by beam dart stretch-draw anchor presstressed reinforcing steel；Node is by upper connection ring, lower connection
Ring is fixedly connected with coupled column, and node is connected by node dart with the beam connecting plate of combination beam.
Sectional type hollow tube concrete combination column is by sectional type inner tube, sectional type outer tube and sandwich concrete in such scheme
Constitute, sectional type inner tube, sectional type outer tube carry connection ring, and shear stud is arranged on sectional type inner tube outer surface, in section
Inner bushing ring is arranged in the inside of segmentation inner tube across a certain distance, prevents sectional type inner tube from flexing occurring.The connection ring of sectional type inner tube
Connection ring with sectional type outer tube mutually staggers, it is to avoid the bolt connection at sustained height.Sectional type inner tube is connected first, then
Connection sectional type outer tube, it is ensured that sectional type inner tube is consistently higher than sectional type outer tube, in sectional type inner tube, the interlayer of sectional type outer tube
In pour high-strength concrete.
Beam-ends is provided with weakening section by sectional type honeycomb type I-beam in such scheme, and weakening section has arc groove, ties
Structure system promotes beam-ends plastic hinge to first occur at weakening position after elastic-plastic behavior is entered, and realizes the outer of beam-ends plastic hinge
Move, so as to ensure the integrity of integral node.
The frame system that a kind of hollow steel tube concrete integral node is constituted is connected by coupled column and combination beam by node
Constitute, combination beam is horizontally set between coupled column, node is the overcoat monoblock type node of inner-concrete with high intensity；Overcoat entirety
Formula node includes the node outer tube with upper connection ring and lower connection ring, and bolt hole is equipped with upper connection ring and lower connection ring,
Upper enforced loop plane arranged at node outer tube top, and lower enforced loop plane arranged at bottom, and upper enforced loop plane horizontally outward extends to form inner chamber and communicate
I-shaped end carriage top flange, lower enforced loop plane horizontally outward extends the lower flange to form the I-shaped end carriage that inner chamber communicates,
It is node web between the upper and lower edge of a wing of I-shaped end carriage, the end of I-shaped end carriage is connected by node connecting plate, and node connects
Fishplate bar sets bolt hole；Coupled column is sectional type hollow tube concrete combination column, and combination beam is sectional type external prestressing honeycomb
Type I-beam, the side at sectional type external prestressing honeycomb type I-beam two ends is respectively provided with beam connecting plate, the lower end of beam connecting plate
With beam dart, bolt hole is set on beam connecting plate, presstressed reinforcing steel hole is also provided with beam dart, by beam dart tensioning
Anchoring prestress muscle；Node is fixedly connected by upper connection ring, lower connection ring with coupled column, and node passes through node connecting plate and group
Close the weakening section connection of beam；It is dismountable to weaken section, and weakening section has arc groove, and the two ends for weakening section are provided with weakening section
Connecting plate, weaken section by one end weaken section connecting plate be connected with combination beam, weakening section by the other end weakening section connecting plate and
Node end carriage is connected.
The honeycomb type hole of sectional type external prestressing honeycomb type I-beam can be circular, hexagon and many in such scheme
Side shape, web can be flat board, or folded plate or sine curve template.
Presstressed reinforcing steel can be linear in such scheme.
In steering block of the honeycomb type I-beam lower disposed with inner groovy in such scheme, presstressed reinforcing steel formed broken line type or
Person's shaped form, to increase the rigidity of beam, Reducing distortion.
Transverse stiffener is arranged on the i-shaped beamses web of honeycomb type I-beam in such scheme, the steady of web can be increased
It is qualitative.
Such scheme interior joint end beam opening, is easy to passing through for Architectural Equipment and pipeline.
The construction method of the frame system that above-mentioned hollow steel tube concrete integral node is constituted：
The steel member of prefabricated needs, including sectional type outer tube, sectional type inner tube, sectional type honeycomb type work are welded in factory first
Word beam, node, sectional type outer tube and sectional type inner tube are realized with basis affixed, and sectional type outer tube is higher by basic 0.5m, sections
Formula inner tube is higher by 0.5m than sectional type outer tube, and sectional type inner tube staggers with sectional type outer tube link position, then to sectional type outside
High-strength concrete is poured in pipe and sectional type inner tube interlayer, after concrete reaches some strength, continues to connect sectional type inner tube, connect
Reconnection sectional type outer tube, it is ensured that sectional type inner tube is consistently higher than sectional type outer tube, and sectional type inner tube is high at node
The segment distance of egress one, reaches pre-designed height；After all sectional type hollow concrete coupled columns are connected, in section
High-strength concrete is poured in segmentation outer tube and sectional type inner tube interlayer, hollow tube concrete combination column is formed；Node is installed, is passed through
The lower connection ring of node is connected with the sectional type outer tube of coupled column, is connected sectional type honeycomb type beam and node by high-strength bolt
Connect, junction is welded after connection；Then to pouring coagulation at sectional type inner tube and the sectional type outer tube interlayer of node
Soil, maintenance forms bottom group frame system after reaching some strength, the second layer to top layer of then constructing successively.
The invention has the advantages that：
1st, clearly, convenient construction can be fabricated into live peace in factory for this jacket-type integral node proposed by the present invention power transmission
Dress, speed of application is fast, shortens the construction period, obtains more preferable economic benefit.
2nd, the present invention use sectional type hollow tube concrete combination column bending rigidity is big, anti-seismic performance is good, the class formation
Steel is merged with concrete structure, give full play to the mechanical property of material.And the interior steel pipe in coupled column with
Outer steel pipe can be installed at the scene, easy construction, can also double as template, it is to avoid the use of a large amount of templates.
3rd, the present invention is used sectional type honeycomb type I-shaped Liangqi bending rigidity is big, high capacity, meets large bay system
Span requirement, and tensioned prestressing bar can further improve the rigidity of component below beam.
4th, can be punched on overcoat monoblock type node end carriage in the present invention, be easy to passing through for Architectural Equipment and pipeline.
5th, the present invention use beam lower band inner groovy steering block, below can tensioning multi-form presstressed reinforcing steel, significantly
Reduce the deformation of component.
6th, the sectional type honeycomb type I-beam web that the present invention is used is flat board, folded plate and sine curve template, Ke Yizeng
Big web and the contact area on the edge of a wing, further improve the bearing capacity and anti-buckling ability of component.
7th, the sectional type honeycomb weakening type I-beam that the present invention is used not only remains the excellent of sectional type honeycomb type I-beam
Point, also causes structural system after elastic-plastic behavior is entered, and promotes beam-ends plastic hinge to first occur at weakening position, realizes beam-ends
The outer shifting of plastic hinge, so as to ensure the integrity of integral node.
8th, the dissipative links block that the disconnectable edge of a wing and web that the present invention is used weaken, plastic hinge is ensured under rarely occurred earthquake
Occur on dissipative links block, structural system is repaired after macroseism, the local dissipative links block for weakening can be changed, so as to protect
Card overall structure still can normal service.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is overcoat monoblock type node schematic diagram；
Fig. 3 is the overcoat monoblock type node schematic diagram that node end carriage can punch；
Fig. 4 is hollow tube Combined concrete column section type；
Fig. 5 is that sectional type inner tube protrudes schematic diagram before installing overcoat monoblock type node；
Fig. 6 is the node schematic diagram for pouring concrete；
Fig. 7 is 1-1 profiles in Fig. 6；
Fig. 8 is the connection diagram of honeycomb type I-beam and node；
Fig. 9 is the connection plan of honeycomb type I-beam and node；
Figure 10 is connection diagram of the honeycomb type I-beam with node for weakening section with replaceable；
Figure 11 is the schematic diagram for weakening section；
Figure 12 is the external prestressing sectional type honeycomb type I-beam of the prominent connecting plate of under band；
Figure 13 is to set the external prestressing honeycomb type I-beam with inner groovy steering block under beam；
Figure 14 is I-beam of the web using sine curve template.
In figure：Add on the node outer tube 7 of 5 times connection rings of connection ring 6 on the node 4 of 1 coupled column, 2 combination beam 3
The lower flange of 12 bolt hole of strong 8 times enforced loop planes of ring flat-plate, 9 top flange, 10 node dart, 11 node web 13
The high-strength coagulation in 14 beam connecting plate, 15 sectional type inner tube, 16 sectional type outer tube, 17 shear stud, 18 presstressed reinforcing steel hole 19
Native 20 hole 21 weakens steering block 24 inner bushing ring 25 of the presstressed reinforcing steel 23 of section 22 with inner groovy and weakens section connecting plate.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings：
Embodiment 1：
With reference to shown in Fig. 1, Fig. 2, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 12, Figure 13, Figure 14, this hollow steel tube concrete
The frame system that integral node is constituted is connected and composed by coupled column 1 and combination beam 2 by node 3, and combination beam 2 is horizontally set on group
Between zygostyle 1, node 3 is the overcoat monoblock type node of inner-concrete with high intensity；Overcoat monoblock type node includes carrying upper connection
Bolt hole 12, the top of node outer tube 6 are equipped with the node outer tube 6 of ring 4 and lower connection ring 5, upper connection ring 4 and lower connection ring 5
There is upper enforced loop plane 7, lower enforced loop plane 8 is arranged at bottom, and upper enforced loop plane 7 horizontally outward extends the top flange for forming I-shaped end carriage
9, lower enforced loop plane 8 horizontally outward extends the lower flange 13 for forming I-shaped end carriage, the top flange 9, lower flange of I-shaped end carriage
It is node web 11 between 13, the end of I-shaped end carriage is connected by node dart 10, and node dart 10 is located at I-shaped
Position between the top flange 9 of type end carriage and the lower flange 13 of I-shaped end carriage sets bolt hole 12, and node dart 10 is located at
Position under I-shaped end carriage is provided with presstressed reinforcing steel hole 18；Coupled column 1 is sectional type hollow tube concrete combination column, combination beam
2 is sectional type external prestressing honeycomb type I-beam, and the side at sectional type external prestressing honeycomb type I-beam two ends is respectively provided with
Beam connecting plate 14, the lower end of beam connecting plate 14 carries beam dart, bolt hole 12 is set on beam connecting plate 14, on beam dart
Presstressed reinforcing steel hole 18 is set, by beam dart stretch-draw anchor presstressed reinforcing steel 22；Node 3 is by upper connection ring 4, lower connection ring 5
It is fixedly connected with coupled column 1, node 3 is connected by node dart 10 with the beam connecting plate 14 of combination beam 2.
Sectional type hollow tube concrete combination column is made up of sectional type inner tube 15, sectional type outer tube 16 and sandwich concrete,
Sectional type inner tube 15, sectional type outer tube 16 carry connection ring, and shear stud 17 is arranged on the outer surface of sectional type inner tube 15,
Inner bushing ring 24 is arranged in the inside of sectional type inner tube 15 across a certain distance, prevents sectional type inner tube 15 from flexing occurring.Sectional type inner tube
15 connection ring mutually staggers with the connection ring of sectional type outer tube 16, it is to avoid the bolt connection at sustained height.Connection first is saved
Segmentation inner tube 15, then connects sectional type outer tube 16, it is ensured that sectional type inner tube 15 is consistently higher than sectional type outer tube 16, in sectional type
High-strength concrete 19 is poured in inner tube 15, the interlayer of sectional type outer tube 16.
Sectional type external prestressing honeycomb type I-beam two ends are the dart in strap bolt hole 12, by prominent plate tensioning anchor
Gu presstressed reinforcing steel 22, presstressed reinforcing steel 22 can be linear, it is also possible in honeycomb type I-beam lower disposed with inner groovy
Steering block 23, formation broken line type or shaped form.Honeycomb type hole can be circular, hexagon and polygonal, and web can
Being flat board, or folded plate or sine curve template.
Transverse stiffener is arranged on the i-shaped beamses web of honeycomb type I-beam of the present invention, the stabilization of web can be increased
Property.
Beam-ends is provided with weakening section 21 by sectional type honeycomb type I-beam in the present invention, and weakening section 21 has arc groove,
Structural system promotes beam-ends plastic hinge to first occur at weakening position after elastic-plastic behavior is entered, and realizes beam-ends plastic hinge
Outer shifting, so as to ensure the integrity of integral node.
Can punch 20 on the node end carriage of overcoat monoblock type node of the present invention（Refering to Fig. 3）, it is easy to Architectural Equipment and pipeline
Pass through.
Coupled column inner and outer pipes of the present invention, overcoat monoblock type node and beam can use steel or FRP material.
The construction method of the frame system that above-mentioned hollow steel tube concrete integral node is constituted：
First by design in factory's blanking, prefabricated institute steel member in need is welded, including two ends weld the sections of connection ring
Formula outer tube 16 and sectional type inner tube 15, sectional type honeycomb type I-beam and overcoat monoblock type node.Weld frame system is all
Connecting link segmentation outer tube 16 and sectional type inner tube 15 are realized affixed with basis, and outer tube is higher by basic 0.5m or so, and inner tube is than outer
Pipe is higher by 0.5m or so, is easy to the connection of inner and outer pipes, while ensure that inner and outer pipes link position staggers, then to pouring height in interlayer
Reinforced concrete 19.Two ends are welded the bottom of sectional type inner tube 15 of connection ring by connecting by high-strength concrete 19 after reaching some strength
Connect ring to be connected with the overall coupled column inner tube being above the ground level, two ends are then welded the bottom of sectional type outer tube 16 of connection ring again
Connected with the overall coupled column outer tube being above the ground level by connection ring, it is ensured that inner tube is consistently higher than outer tube, and in beam column section
The inner tube segment distance of egress 3 one high at point, reaches pre-designed height.Treat that all sectional type hollow concrete coupled columns connect
After connecting, high-strength concrete 19 is poured in inner and outer pipes interlayer, form hollow tube concrete combination column.Overcoat monoblock type section is installed
Point, realizes being reliably connected by the lower connection ring 5 of node 3 and bottom column outer tube, by high-strength bolt by sectional type honeycomb type beam
With the connection of overcoat monoblock type node, appropriate welding is carried out to junction after connection, while installation other frame joints
And beam, then to casting concrete at the inner and outer pipes interlayer of node 3, maintenance forms bottom combo box support body after reaching some strength
System.Then the second layer is constructed successively to top layer, and this construction method is referred to as conventional construction method from bottom to top.This construction method
The all prefabrications of steel member, greatly reduce labour, shorten construction period, poured in place concrete, framework entirety
Property is good, and overall cost is relatively low.Sectional type honeycomb type I-beam can be using beam-ends weakening type in this kind of construction method, it is also possible to adopt
The dissipative links block weakened with the disconnectable edge of a wing and web is connected.
Embodiment 2：
The frame system that this hollow steel tube concrete integral node is constituted connects structure by coupled column 1 and combination beam 2 by node 3
Into combination beam 2 is horizontally set between coupled column 1, and node 3 is the overcoat monoblock type node of inner-concrete with high intensity 19；Overcoat
Monoblock type node includes the node outer tube 6 with upper connection ring 4 and lower connection ring 5, is all provided with upper connection ring 4 and lower connection ring 5
There is bolt hole 12, upper enforced loop plane 7 is arranged at the top of node outer tube 6, and lower enforced loop plane 8 is arranged at bottom, and upper enforced loop plane 7 horizontally outward prolongs
The top flange 9 to form the I-shaped end carriage that inner chamber communicates is stretched, lower enforced loop plane 8 horizontally outward extends and forms the I-shaped that inner chamber communicates
The lower flange 13 of type end carriage, is node web 11, the end of I-shaped end carriage between top flange 9, the lower flange 13 of I-shaped end carriage
Portion is connected by node connecting plate, and node connecting plate sets bolt hole 12；Coupled column 1 is sectional type hollow tube Combined concrete
Post, combination beam 2 is sectional type external prestressing honeycomb type I-beam, the side at sectional type external prestressing honeycomb type I-beam two ends
Face is respectively provided with beam connecting plate 14, and the lower end of beam connecting plate 14 carries beam dart, bolt hole 12 set on beam connecting plate 14, under beam
Presstressed reinforcing steel hole 18 is also provided with prominent plate, by beam dart stretch-draw anchor presstressed reinforcing steel 22；Node 3 by upper connection ring 4, under
Connection ring 5 is fixedly connected with coupled column 1, with reference to shown in Figure 10, Figure 11, the weakening that node 3 passes through node connecting plate and combination beam 2
Section 21 is connected；It is dismountable to weaken section 21, and weakening section 21 has arc groove, and the two ends for weakening section 21 are provided with weakening Duan Lian
Fishplate bar 25, weakening section 21 weakens section connecting plate 25 and is connected with combination beam 2 by one end, weakens section 21 and weakens Duan Lian by the other end
Fishplate bar 25 is connected with node end carriage.Weaken section 21 and also referred to as weaken dissipative links block.
The construction method of the frame system that this hollow steel tube concrete integral node is constituted：
First by design in factory's blanking, prefabricated institute steel member in need is welded, including two ends weld the sections of connection ring
Formula outer tube 16 and sectional type inner tube 15, two ends weld the sectional type honeycomb type I-beam and overcoat monoblock type node of lower prominent steel plate.
Connecting link segmentation outer tube 16 is welded and sectional type inner tube 15 is realized affixed with basis by frame system is all, and outer tube is higher by basis
0.5m or so, inner tube is higher by 0.5m or so than outer tube, is easy to the connection of inner and outer pipes, while ensure that inner and outer pipes link position staggers,
Then to pouring high-strength concrete 19 in interlayer.High-strength concrete 19 reaches the sections that two ends are welded after some strength connection ring
The bottom of formula inner tube 15 is connected by connection ring with the overall coupled column inner tube being above the ground level, and two ends then are welded into connection ring again
The bottom of sectional type outer tube 16 connected with the integrally coupled column outer tube that is above the ground level by connection ring, it is ensured that inner tube is consistently higher than
Outer tube, and the inner tube segment distance of egress 3 one high at node 3, reach pre-designed height.Treat that all sectional types are hollow
After concrete combination column is connected, high-strength concrete 19 is poured in inner and outer pipes interlayer, form hollow tube concrete combination column.Peace
Dress monoblock type node, is reliably connected by the lower connection ring 5 of node 3 with bottom column realization, by high-strength bolt by sectional type honeybee
Socket type I-beam and overcoat monoblock type node are connected, and appropriate welding is carried out to junction after connection, successively installation its
His frame joint and beam, then to casting concrete at the inner and outer pipes interlayer of node 3, maintenance forms bottom after reaching some strength
Group frame system.Then the connection of two layers of steel member is equally completed with bottom.Dashed forward in bottom-layer beam and the lower of node point connection
No-cohesive prestressed reinforcement is arranged in plate, tensioning is carried out to the deformed bar in beam, reach control stress for prestressing, form bottom
Prestressing combination frame system.Then successively the construction second layer to top layer, it is ensured that concrete is filled up in post and node 3, and is ensured
The connectivity of post and the concrete of node 3.To ensure in tensioning lower floor deformed bar this layer of steel construction be reliably connected and
Lower level node concrete reaches some strength, it is to avoid system occurs larger deformation during prestressed reinforcement of tensioning.It is this
Construction method is referred to as dropping a stretching method, and all prefabrications of steel member of this construction method greatly reduce labour, shortens
Construction period, poured in place concrete, overall connectivity is good.Two ends weld the sectional type of lower prominent steel plate in this kind of construction method
Honeycomb type I-beam can be using beam-ends weakening type, it would however also be possible to employ the dissipative links block that the disconnectable edge of a wing and web weaken connects
Connect, presstressed reinforcing steel 22 can be linear, may also be and broken line or shaped form are formed by steering block.
The frame system that this hollow steel tube concrete integral node is constituted can also use following construction method：
First by design in factory's blanking, prefabricated institute steel member in need is welded, including two ends weld the sections of connection ring
Formula outer tube 16 and sectional type inner tube 15, two ends weld the sectional type honeycomb type I-beam and overcoat monoblock type node of lower prominent steel plate.
The all sectional type outer tubes 16 and sectional type inner tube 15 for welding connection ring of frame system are realized with basis affixed, outer tube is higher by base
Plinth 0.5m or so, inner tube is higher by 0.5m or so than outer tube, is easy to the connection of inner and outer pipes, while ensuring that inner and outer pipes link position is wrong
Open, then to pouring high-strength concrete 19 in interlayer.Two ends are welded connection ring by high-strength concrete 19 after reaching some strength
The bottom of sectional type inner tube 15 is connected by connection ring with the overall coupled column inner tube being above the ground level, and two ends then are welded into company again
The bottom of sectional type outer tube 16 for connecing ring is connected by connection ring with the overall coupled column outer tube being above the ground level, it is ensured that inner tube is all the time
Higher than outer tube, and the inner tube segment distance of egress 3 one high at node 3, reach pre-designed height.Treat all sectional types
After hollow concrete coupled column is connected, high-strength concrete 19 is poured in inner and outer pipes interlayer, form hollow tube Combined concrete
Post.Overcoat monoblock type node is installed, realizes being reliably connected by lower connection ring 5 and the bottom column of node 3, will by high-strength bolt
Sectional type honeycomb type I-beam and monoblock type node are connected, and appropriate welding is carried out to junction after connection, are installed successively
Into other frame joints and beam, then to casting concrete at the inner and outer pipes interlayer of node 3, maintenance is formed after reaching some strength
Bottom group frame system.Then the connection of two layers of steel member is equally completed with bottom.Then casting concrete is to two layers of post
Top, it is ensured that fill up concrete in post and node 3, and ensure the connectivity of post and node concrete, after maintenance reaches some strength,
To casting concrete in two node layers.Then construction third layer, to top layer, treats that all construction is finished all floors, in bottom successively
Arrange no-cohesive prestressed reinforcement in the dart of beam and the junction of node 3, bottom-up tensioning disposable successively is complete every layer
Presstressed reinforcing steel 22, realizes reliable anchoring, completes the pre-stress construction of general frame, and this construction method is referred to as first entirety post-stretching
Method.Advantage is that framework forms post-stress muscle 22, as the prestressed concrete frame of routine, it is ensured that overall to receive
Power.And frame system successively can uninterruptedly construct, presstressed reinforcing steel 22 can be realized concentrating tensioning, prestressing technique personnel on site
The drawing time is short, and overall cost is low.Two ends weld the sectional type honeycomb type I-beam of lower prominent steel plate and can use in this kind of construction method
Beam-ends weakening type, it would however also be possible to employ the dissipative links block connection that the disconnectable edge of a wing and web weaken, presstressed reinforcing steel 22 can be
It is linear, may also be and broken line or shaped form are formed by steering block.
Claims (10)
1. the frame system that a kind of hollow steel tube concrete integral node is constituted, it is characterised in that：This hollow steel tube concrete
The frame system that integral node is constituted is by coupled column（1）And combination beam（2）By node（3）Connect and compose, combination beam（2）Level
It is arranged on coupled column（1）Between, node（3）It is inner-concrete with high intensity（19）Overcoat monoblock type node；Overcoat monoblock type section
Point includes carrying upper connection ring（4）With lower connection ring（5）Node outer tube（6）, upper connection ring（4）With lower connection ring（5）It is upper equal
It is provided with bolt hole（12）, node outer tube（6）Upper enforced loop plane is arranged at top（7）, lower enforced loop plane is arranged at bottom（8）, upper enforced loop plane
（7）Horizontally outward extend the top flange for forming I-shaped end carriage（9）, lower enforced loop plane（8）Horizontally outward extend and form I-shaped
The lower flange of end carriage（13）, the top flange of I-shaped end carriage（9）, lower flange（13）Between be node web（11）, I-shaped end
The end of beam passes through node dart（10）Connection, node dart（10）Positioned at the top flange of I-shaped end carriage（9）With I-shaped
The lower flange of type end carriage（13）Between position set bolt hole（12）, node dart（10）Under I-shaped end carriage
Position is provided with presstressed reinforcing steel hole（18）；Coupled column（1）It is sectional type hollow tube concrete combination column, combination beam（2）It is sectional type
External prestressing honeycomb type I-beam, the side at sectional type external prestressing honeycomb type I-beam two ends is respectively provided with beam connecting plate
（14）, beam connecting plate（14）Lower end carry beam dart, beam connecting plate（14）Upper setting bolt hole（12）, on beam dart
Presstressed reinforcing steel hole is set（18）, by beam dart stretch-draw anchor presstressed reinforcing steel（22）；Node（3）By upper connection ring（4）, under
Connection ring（5）With coupled column（1）It is fixedly connected, node（3）By node dart（10）With combination beam（2）Beam connecting plate
（14）Connection.
2. the frame system that hollow steel tube concrete integral node according to claim 1 is constituted, it is characterised in that：It is described
Sectional type honeycomb type I-beam beam-ends is provided with weakening section（21）, weaken section（21）With arc groove.
3. the frame system that a kind of hollow steel tube concrete integral node is constituted, it is characterised in that：This hollow steel tube concrete
The frame system that integral node is constituted is by coupled column（1）And combination beam（2）By node（3）Connect and compose, combination beam（2）Level
It is arranged on coupled column（1）Between, node（3）It is the overcoat monoblock type node of inner-concrete with high intensity；Overcoat monoblock type node bag
Include with upper connection ring（4）With lower connection ring（5）Node outer tube（6）, upper connection ring（4）With lower connection ring（5）On be equipped with
Bolt hole（12）, node outer tube（6）Upper enforced loop plane is arranged at top（7）, lower enforced loop plane is arranged at bottom（8）, upper enforced loop plane（7）Water
It is flat to stretch out to form the top flange of the I-shaped end carriage that inner chamber communicates（9）, lower enforced loop plane（8）Horizontally outward extend in being formed
The lower flange of the I-shaped end carriage that chamber communicates（13）, the top flange of I-shaped end carriage（9）, lower flange（13）Between be node web
（11）, the end of I-shaped end carriage connected by node connecting plate, and node connecting plate sets bolt hole（12）；Coupled column（1）For
Sectional type hollow tube concrete combination column, combination beam（2）It is sectional type external prestressing honeycomb type I-beam, sectional type is pre- in vitro
The side at stress honeycomb type I-beam two ends is respectively provided with beam connecting plate（14）, beam connecting plate（14）Lower end carry beam dart,
Beam connecting plate（14）Upper setting bolt hole（12）, presstressed reinforcing steel hole is also provided with beam dart（18）, by beam dart tensioning
Anchoring prestress muscle（22）；Node（3）By upper connection ring（4）, lower connection ring（5）With coupled column（1）It is fixedly connected, node
（3）By node connecting plate and combination beam（2）Weakening section（21）Connection；Weaken section（21）It is dismountable, weakening section（21）
With arc groove, weaken section（21）Two ends be provided with weakening section connecting plate（25）, weaken section（21）Section is weakened by one end
Connecting plate（25）With combination beam（2）Connection, weakens section（21）Section connecting plate is weakened by the other end（25）It is connected with node end carriage.
4. the frame system that the hollow steel tube concrete integral node according to Claims 2 or 3 is constituted, it is characterised in that：
Described sectional type hollow tube concrete combination column is by sectional type inner tube（15）, sectional type outer tube（16）And sandwich concrete structure
Into sectional type inner tube（15）, sectional type outer tube（16）Connection ring is carried, in sectional type inner tube（15）Shearing resistance is arranged on outer surface
Peg（17）, in sectional type inner tube（15）Inside arrange inner bushing ring across a certain distance（24）；Sectional type inner tube（15）Connection
Ring and sectional type outer tube（16）Connection ring mutually stagger, first connect sectional type inner tube（15）, then connect sectional type outer tube
（16）, it is ensured that sectional type inner tube（15）It is consistently higher than sectional type outer tube（16）, in sectional type inner tube（15）, sectional type outer tube（16）
Interlayer in pour high-strength concrete（19）.
5. the frame system that hollow steel tube concrete integral node according to claim 4 is constituted, it is characterised in that：It is described
Presstressed reinforcing steel（22）Can be linear.
6. the frame system that hollow steel tube concrete integral node according to claim 4 is constituted, it is characterised in that：It is described
Steering block of the honeycomb type I-beam lower disposed with inner groovy（23）, presstressed reinforcing steel（22）Forming curves type.
7. the frame system that hollow steel tube concrete integral node according to claim 5 is constituted, it is characterised in that：It is described
Node side beam opening（20）.
8. the frame system that hollow steel tube concrete integral node according to claim 7 is constituted, it is characterised in that：It is described
Sectional type honeycomb type I-beam in honeycomb type hole be circular, I-shaped web is flat board.
9. the frame system that hollow steel tube concrete integral node according to claim 7 is constituted, it is characterised in that：It is described
Sectional type honeycomb type I-beam in honeycomb type hole be hexagon, I-shaped web is folded plate.
10. the construction method of the frame system that a kind of hollow steel tube concrete integral node described in claim 4 is constituted, it is special
Levy and be：The steel member of prefabricated needs, including sectional type outer tube are welded in factory first（16）, sectional type inner tube（15）, section
Segmentation honeycomb type I-beam, node（3）, by sectional type outer tube（16）With sectional type inner tube（15）Affixed, sections is realized with basis
Formula outer tube（16）It is higher by basic 0.5m, sectional type inner tube（15）Than sectional type outer tube（16）It is higher by 0.5m, sectional type inner tube（15）
With sectional type outer tube（16）Link position staggers, then to sectional type outer tube（16）With sectional type inner tube（15）Height is poured in interlayer
Reinforced concrete（19）, after concrete reaches some strength, continue to connect sectional type inner tube（15）, then reconnect sectional type outer tube
（16）, it is ensured that sectional type inner tube（15）It is consistently higher than sectional type outer tube（16）, and in node（3）Place's sectional type inner tube（15）It is high
Egress（3）One segment distance, reaches pre-designed height；After all sectional type hollow concrete coupled columns are connected,
In sectional type outer tube（16）With sectional type inner tube（15）High-strength concrete is poured in interlayer（19）, form hollow tube Combined concrete
Post；Node is installed（3）, by node（3）Lower connection ring（5）With coupled column（1）Sectional type outer tube（16）Connection, by height
Strength bolt is by sectional type honeycomb type beam and node（3）Connection, welds after connection to junction；Then to node（3）'s
Sectional type inner tube（15）With sectional type outer tube（16）Casting concrete at interlayer, maintenance forms bottom combination after reaching some strength
Frame system, the second layer to top layer of then constructing successively.
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| CN201710143673.6A CN106869326B (en) | 2017-03-12 | 2017-03-12 | The frame system and construction method that hollow steel tube concrete integral node is constituted |
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| CN109653441A (en) * | 2019-01-30 | 2019-04-19 | 沈阳建筑大学 | A kind of assembling frame structure stress system |
| CN110295670A (en) * | 2019-07-24 | 2019-10-01 | 青岛理工大学 | Rectangular FRP steel and wood composite node and its installation method |
| CN112900646A (en) * | 2021-03-04 | 2021-06-04 | 广州大学 | Assembled integrated configuration node connecting system |
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Also Published As
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|---|---|
| CN106869326B (en) | 2019-01-25 |
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