CN106948476A - Framework and its construction method that prestressing with bond combination beam is constituted - Google Patents
Framework and its construction method that prestressing with bond combination beam is constituted Download PDFInfo
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- CN106948476A CN106948476A CN201710143669.XA CN201710143669A CN106948476A CN 106948476 A CN106948476 A CN 106948476A CN 201710143669 A CN201710143669 A CN 201710143669A CN 106948476 A CN106948476 A CN 106948476A
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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
- E04B1/19—Three-dimensional framework structures
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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
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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Abstract
The framework and its construction method constituted the present invention relates to prestressing with bond combination beam, the framework that this prestressing with bond combination beam 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 interior overcoat monoblock type node for filling out self-compacting concrete；Coupled column is sectional type hollow tube concrete combination column, and combination beam is the prestressing with bond honeycomb type I-beam that the edge of a wing is concrete-filled rectangular steel tube；The presstressed reinforcing steel arranged in the rectangular steel pipe of combination beam lower flange bypasses node outer tube out of lower reinforcing strip chamber ring flat-plate, and presstressed reinforcing steel is positioned by single hole location-plate and the main location-plate of the diplopore punched, and stretch-draw anchor is realized at node end carriage；The self-compaction pea gravel concreten of combination beam and the self-compaction pea gravel concreten of node end carriage are insertions.The present invention solves the complexity problem of prestressing with bond I-beam and hollow tube Combined concrete column connected node that the edge of a wing is concrete-filled rectangular steel tube.
Description
Technical field
The present invention relates to the house frame structure in civil engineering structure field, and in particular to prestressing with bond combination beam structure
Into framework and its construction method.
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 of the casting concrete formation between inside and outside two layers concentric steel pipe, its outer and inner tube
It instead of reinforcing bar and effect of contraction produced to sandwich concrete, concrete is improved in three dimension stress state compressive property,
Plasticity and toughness properties are improved, compared with traditional concrete filled steel tubular member, and hollow sandwich steel tube concrete pole is overall
With from heavy and light, the characteristic that bending rigidity is big, anti-seismic performance is good and fire resistance is good.Combined for concrete-filled rectangular steel tube honeycomb on the edge of a wing
Beam is developed out on the basis of steel I-beam, greatly increases the rigidity on the edge of a wing, improves the resistance to overturning of beam, but hollow
The section for the structural system that interlayer steel tube concrete column-edge of a wing is constituted for the prestressing with bond honeycomb combination beam of concrete-filled rectangular steel tube
Point complexity but constrains application of such system in Practical Project, therefore proposes that a kind of rational node connected mode is compeled
The eyebrows and eyelashes, simultaneously because the prestressing with bond honeycomb combination beam that the edge of a wing is concrete-filled rectangular steel tube is employed, and conventional prestressing force
Beams of concrete is different, and conventional beam can position colligation presstressed reinforcing steel, then casting concrete, and the edge of a wing is mixed for rectangular steel pipe
The prestressing with bond honeycomb combination beam steel pipe for coagulating soil is closing, and advanced processing is needed to presstressed reinforcing steel arrangement positioning, therefore how
It is also thorny problem that the invention faces to solve presstressed reinforcing steel to be accurately positioned in the inside of closing.
The content of the invention
It is an object of the present invention to provide the framework that prestressing with bond combination beam is constituted, this prestressing with bond combination beam
The framework of composition is used to solve the prestressing with bond I-beam and hollow tube concrete combination column that the edge of a wing is concrete-filled rectangular steel tube
The complexity problem of connecting node, the framework constituted it is a further object to provide this prestressing with bond combination beam
Construction method.
The technical solution adopted for the present invention to solve the technical problems is：The framework that this prestressing with bond combination beam is constituted
Connected and composed by coupled column and combination beam by node, combination beam is horizontally set between coupled column, node fills out self-compaction to be interior
The overcoat monoblock type node of concrete；Overcoat monoblock type node includes the node outer tube with upper connection ring and lower connection ring, on
Bolt hole is equipped with connection ring and lower connection ring, upper reinforcing strip chamber ring flat-plate is arranged at node outer tube top, and lower reinforcing strip chamber is arranged at bottom
Ring flat-plate, upper reinforcing strip chamber ring flat-plate horizontally outward extends to form the upper node end carriage that inner chamber is communicated, lower reinforcing strip chamber ring flat-plate level to
Outer extension forms the lower node end carriage that inner chamber is communicated, and is node web, node web between upper node end carriage and lower node end carriage
Prepared screw-bolt hole, upper node end carriage is provided with end carriage connecting plate with lower node end carriage, and lower reinforcing strip chamber ring flat-plate is internally provided with
Single hole location-plate and the main location-plate of the diplopore punched, single hole location-plate and the main location-plate of the diplopore punched by respective base and
Lower reinforcing strip chamber ring flat-plate is fixed；Coupled column is sectional type hollow tube concrete combination column, and combination beam is that the edge of a wing is that rectangular steel pipe is mixed
Coagulate the prestressing with bond honeycomb type I-beam of soil；Node is fixedly connected by upper connection ring, lower connection ring with coupled column, and node leads to
Cross end carriage connecting plate and node web is connected with combination beam, the presstressed reinforcing steel arranged in the rectangular steel pipe of combination beam lower flange adds from lower
Node outer tube is bypassed in strong band chamber ring flat-plate, presstressed reinforcing steel is positioned by single hole location-plate and the main location-plate of the diplopore punched, in advance should
Power muscle formation symmetrical curve type, stretch-draw anchor is realized at node end carriage；Poured in the node end carriage of combination beam and node from close
Real pea gravel concreten, has been poured after self-compaction pea gravel concreten, the self-compaction pea gravel concreten of combination beam and node end carriage from
Closely knit pea gravel concreten is insertion, and one is formed with node outer tube after maintenance.
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 that sectional type inner tube from occurring flexing；The connection ring of sectional type inner tube
Mutually stagger with the connection ring of sectional type outer tube, it is to avoid the bolt connection at sustained height.Sectional type inner tube is connected first, then
Connect 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 self-compacting concrete.
The edge of a wing is that the edge of a wing is made into square for the prestressing with bond honeycomb type I-beam of concrete-filled rectangular steel tube in such scheme
The form of shape steel pipe, welds the connecting plate of prepared screw-bolt hole on the steel pipe of the honeycomb type I-beam two ends edge of a wing, forms the edge of a wing for square
The sectional type honeycomb type I-beam of shape steel pipe, to scene after be fixedly connected with node by high-strength bolt and node web, then
Self-compacting concrete is poured into edge of a wing rectangular steel pipe；Sectional type honeycomb type I-beam is arranged in vivo in the rectangular steel pipe of lower flange
Presstressed reinforcing steel.
Honeycomb type hole in such scheme in sectional type honeycomb type I-beam is circular, and I-shaped web is flat board.
Transverse stiffener is arranged on the I-shaped web of honeycomb type I-beam in such scheme, the stabilization of web can be increased
Property.
Beam-ends is provided with weakening section by the edge of a wing for the honeycomb type I-beam of concrete-filled rectangular steel tube in such scheme, weakens section
It is the I-shaped Honeycomb Beam that the edge of a wing is concrete filled steel tube, it is variable cross-section to weaken the cross section of section, from two ends to center cross-sectional
It is gradually reduced, the midpoint cross section for weakening section is minimum, structural system promotes beam-ends plastic hinge first after elastic-plastic behavior is entered
First occur weakening position, the outer shifting of beam-ends plastic hinge is realized, so as to ensure the integrity of integral node.
Such scheme interior joint end beam opening, is easy to passing through for Architectural Equipment and pipeline.
Honeycomb type hole in such scheme in sectional type honeycomb type I-beam is hexagon, and I-shaped web web is folding
Plate.
Honeycomb type hole in such scheme in sectional type honeycomb type I-beam is polygon, and I-shaped web web is sinusoidal
Curve template.
The construction method for the framework that above-mentioned prestressing with bond combination beam is constituted：
Be prefabricated in the factory the steel member needed first, including sectional type outer tube, sectional type inner tube, sectional type honeycomb type I-shaped
Beam, overcoat monoblock type node, when overcoat monoblock type node makes, are first laid flat the lower steel plate of lower reinforcing strip chamber ring flat-plate, weld
Good single hole location-plate and the main location-plate of diplopore punched, single hole location-plate and the diplopore punched are arranged in by presstressed reinforcing steel guide line
In main location-plate, then the top steel plate of lower reinforcing strip chamber ring flat-plate is welded, lower reinforcing strip chamber ring flat-plate is formed, upper after welding plus
Strong band chamber ring flat-plate, lower reinforcing strip chamber ring flat-plate and node outer tube are welded, then carry out node web welding, finally by node outer tube end
Connection ring and end carriage connecting plate weld, formed overcoat monoblock type node；Sectional type outer tube and sectional type inner tube and basis is real
Existing affixed, the two top is integrally higher by basic 0.5m or so, and sectional type inner tube a certain distance higher than sectional type outer tube, reaches
Pre-designed height, then pours self-compacting concrete, concrete into sectional type outer tube and the interlayer of sectional type inner tube
Reach after some strength, form coupled column section of foundation；
Second segment sectional type inner tube bottom and the sectional type inner tube of coupled column section of foundation are connected, then again by second segment section
Formula outer tube and the sectional type outer tube of coupled column section of foundation are connected, it is ensured that sectional type inner tube is consistently higher than sectional type outer tube, and
The high segment distance of egress one of sectional type inner tube, reaches pre-designed height at node；Treat the hollow coagulation of all sectional types
After local soil type's zygostyle is connected, self-compacting concrete is poured in interlayer of the sectional type inner tube than sectional type outer tube, hollow tube is formed
Concrete combination column；
Overcoat monoblock type node is installed, realized by the lower connection ring and bottom coupled column sectional type outer tube of overcoat monoblock type node
It is reliably connected, is connected sectional type honeycomb type I-beam and overcoat monoblock type node by high-strength bolt, to connection after connection
Place is welded, while presstressed reinforcing steel is put in sectional type honeycomb type I-beam and overcoat monoblock type node lining by draught line,
Presstressed reinforcing steel is carried out to stretch tensioning, anchoring temporarily is on node end carriage；Slurry hole is built by concrete and pours self-compacting concrete,
Ensure the connectivity of concrete, maintenance reaches formation bottom group frame system after some strength；Then equally completed with bottom
The connection of two layers of steel member, carries out two times tensioning to deformed bar, reaches control stress for prestressing；Then second is constructed successively
Layer is to top layer.
The invention has the advantages that：
1st, this overcoat monoblock type node power transmission proposed by the present invention is clear and definite, prefabrication, and each position connection is accurate and quality is good,
The presstressed reinforcing steel for being arranged in closed interior can be accurately positioned, monoblock type node is not susceptible to destruction after casting concrete.
2nd, the sectional type hollow tube concrete combination column bending rigidity that uses of the present invention is big, anti-seismic performance is good, such component
Steel or FRP material is merged with concrete, give full play to the mechanical property of two kinds of materials.And in coupled column
Inner tube can be prefabricated in the factory with outer tube, in-site installation, easy construction；Inner and outer pipes can also double as template simultaneously, it is to avoid scene
The use of a large amount of templates.
3rd, combination flange of beam steel pipe of the invention is difficult flexing after Concrete Filled, and rigidity is larger and stability is high, can
The span of realization is big；Transverse stiffener is set on beam, the anti-flexion capabilities of entirety of beam are improved.
4th, it 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 uses prestressing with bond combination beam, and presstressed reinforcing steel is wrapped in by concrete in inside concrete, is difficult
Destroyed and corroded, durability is long, the rigidity of combination beam is improved for a long time, the deformation of beam is greatly reduced.
6th, the edge of a wing that the present invention is used can be flat board, folded plate and sine curve for rectangular steel pipe honeycomb type I-beam web
Template, can increase the contact area on web and the edge of a wing, further improve the bearing capacity of component.
The edge of a wing at the band weakening end that the 7th, the present invention is used causes structural system in entrance for rectangular steel pipe honeycomb type I-beam
After elastic-plastic behavior, promote beam-ends plastic hinge to first occur at weakening position, the outer shifting of beam-ends plastic hinge is realized, so as to ensure whole
The integrity of body node.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the floor plan of the present invention；
Fig. 3 is overcoat monoblock type node schematic diagram；
Fig. 4 is the overcoat monoblock type node schematic diagram that node end carriage can punch；
Fig. 5 is hollow tube Combined concrete column section type；
Fig. 6 is the honeycomb type I-shaped section forms of beam that the edge of a wing is rectangular steel pipe；
Fig. 7 is that sectional type inner tube protrudes schematic diagram before installing overcoat monoblock type node；
Fig. 8 is the connection of honeycomb type I-beam and node that the edge of a wing weakens for rectangular steel pipe；
Fig. 9 is with the external prestressing honeycomb type I-beam for weakening the edge of a wing at end for rectangular steel pipe；
Figure 10 is that presstressed reinforcing steel arranges hierarchy chart in overcoat monoblock type node body；
Figure 11 is the presstressed reinforcing steel layout drawing in node end carriage at node；
Figure 12 is curve of prestress bar figure in top at node；
Figure 13 is curve of prestress bar figure in bottom at node；
Figure 14 is the I-beam that web uses sine curve template；
Figure 15 is the main location-plate schematic diagram of the diplopore punched.
In figure：Add on the node 4 of 1 coupled column, 2 combination beam 3 on the node outer tube 7 of 5 times connection rings of connection ring 6
Strong band chamber 8 times bolts hole of 11 node web of reinforcing strip chamber ring flat-plate 9 node end carriage, 10 end carriage connecting plate 12 of ring flat-plate
13 self-compacting concrete, 14 rectangular steel pipe, 15 sectional type inner tube, 16 sectional type outer tube, 17 shear stud 18 laterally adds
Strength rib 19 weakens the main location-plate 25 of diplopore that the single hole location-plate 24 of 20 hole of section, 22 top presstressed reinforcing steel 23 punches
The injected hole of 27 bottom presstressed reinforcing steel of I-shaped 26 inner bushing ring of web 28.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings：
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 14, Figure 15, this prestressing with bond combination
The framework that beam is constituted is connected and composed by coupled column 1 and combination beam 2 by node 3, and combination beam 2 is horizontally set between coupled column 1,
Node 3 is the interior overcoat monoblock type node for filling out self-compacting concrete 13；Overcoat monoblock type node is included with upper connection ring 4 with
Bolt hole 12 is equipped with the node outer tube 6 of connection ring 5, upper connection ring 4 and lower connection ring 5, upper reinforcement is arranged at the top of node outer tube 6
Band chamber ring flat-plate 7, lower reinforcing strip chamber ring flat-plate 8 is arranged at bottom, and upper reinforcing strip chamber ring flat-plate 7 horizontally outward extends and forms the upper section that inner chamber is communicated
Point end carriage, lower reinforcing strip chamber ring flat-plate, which horizontally outward extends, to form the lower node end carriage that inner chamber is communicated, upper node end carriage and lower node
It is node web 11 between end carriage, upper node end carriage is provided with end carriage connecting plate 10, lower reinforcing strip chamber ring with lower node end carriage
The main location-plate 24 of diplopore that plate 8 is internally provided with single hole location-plate 23 and punched, single hole location-plate 23 and the diplopore master punched determine
Position plate 24 is fixed by respective base with lower reinforcing strip chamber ring flat-plate 8, for being arranged in lower flange rectangular steel pipe 14 in positioning beam
Presstressed reinforcing steel, it is ensured that presstressed reinforcing steel bypasses node outer tube 6 in lower reinforcing strip chamber ring flat-plate 8, and node web 11 also reserves bolt
Hole 12；Coupled column 1 is sectional type hollow tube concrete combination column, and combination beam 2 is that the edge of a wing is the internal pre- of concrete-filled rectangular steel tube
Stress honeycomb type I-beam；Node 3 is fixedly connected by upper connection ring 4, lower connection ring 5 with coupled column 1, and node 3 passes through end carriage
Connecting plate 10 and node web 11 are connected with combination beam 2, and the presstressed reinforcing steel arranged in the lower flange rectangular steel pipe 14 of combination beam 2 is under
Node outer tube 6 is bypassed in reinforcing strip chamber ring flat-plate 8, presstressed reinforcing steel is determined by single hole location-plate 23 and the main location-plate 24 of diplopore punched
Position, steel shape realizes stretch-draw anchor into symmetrical shaped form at node end carriage 9；Refering to Figure 10, Figure 11, Figure 12, Figure 13,
When there is both direction connection combination beam 2 in length and breadth, two presstressed reinforcing steels need up and down to interlock through lower reinforcing strip chamber ring flat-plate 8, its
In a direction top presstressed reinforcing steel 22, then another direction be bottom presstressed reinforcing steel 27.The He of single hole location-plate 23 during making
The main location-plate 24 of diplopore punched positions only bottom and steel-pipe welding, and top and left and right form free end, be easy to the stream of concrete
It is dynamic, the positioning of presstressed reinforcing steel had so both been realized, has in turn, ensured that concrete freely flows, it is to avoid dead angle occur.Combination beam 2 and section
Self-compaction pea gravel concreten is poured in the node end carriage 9 of point 3, has been poured after self-compaction pea gravel concreten, the self-compaction of combination beam 2
The self-compaction pea gravel concreten of pea gravel concreten and node end carriage 9 is insertion, and one is formed with node outer tube 6 after maintenance.
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 26 is arranged in the inside of sectional type inner tube 15 across a certain distance, prevents that sectional type inner tube 15 from occurring flexing.Sectional type inner tube
15 connection ring and the connection ring of sectional type outer tube 16 mutually stagger, it is to avoid the bolt connection at sustained height.Connection is saved first
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
Self-compacting concrete 13 is poured in inner tube 15, the interlayer of sectional type outer tube 16.
The edge of a wing for concrete-filled rectangular steel tube honeycomb type I-beam by the form of the rectangular steel pipe 14 in the edge of a wing, at beam two ends
The connecting plate of prepared screw-bolt hole 12 is welded on the steel pipe of the edge of a wing, the sectional type honeycomb type I-beam that the edge of a wing is rectangular steel pipe 14 is formed,
Realized and be reliably connected by high-strength bolt and web connecting plate with overcoat monoblock type node end carriage after to scene, then pass through coagulation
Native injected hole 28 pours self-compacting concrete 13 into edge of a wing rectangular steel pipe, it is ensured that node 3 and concrete in the rectangular steel pipe of the edge of a wing
Connectivity.To increase the stability of web, transverse stiffener 18 is arranged on web.To increase the rigidity of beam, reduce and become
Shape, arranges prestressing with bond muscle in the edge of a wing of concrete-filled rectangular steel tube I-beam bottom, is determined by the location-plate arranged in node 3
Position presstressed reinforcing steel, stretches tensioning, it is ensured that presstressed reinforcing steel keeps reasonable in concrete before casting concrete to presstressed reinforcing steel
Line style.Honeycomb type hole can be circular, hexagon and polygonal, web（I-shaped web 25）Can be flat board,
Can be folded plate or sine curve template.
Transverse stiffener 18 is arranged on the I-shaped web 25 of honeycomb type I-beam of the present invention, the stabilization of web can be increased
Property.
Beam-ends is additionally provided with weakening section 19 by the edge of a wing for the honeycomb type I-beam of concrete-filled rectangular steel tube in the present invention, is weakened
Section 19 is the I-shaped Honeycomb Beam that the edge of a wing is concrete filled steel tube, and it is variable cross-section to weaken the cross section of section 19, from two ends to center
Cross section is gradually reduced, and the midpoint cross section for weakening section 19 is minimum, and structural system promotes beam-ends after elastic-plastic behavior is entered
Plastic hinge first occurs at weakening position, the outer shifting of beam-ends plastic hinge is realized, so as to ensure the integrity of integral node.Although cutting
Weak place section is gradually reduced, but does not influence the arrangement of presstressed reinforcing steel.
Self-compaction pea gravel concreten or high performance concrete are used in the steel pipe edge of a wing of beam and monoblock type node, has been poured
After concrete, concrete is whole insertions in the reinforcement cavity plate of combination beam 2 and monoblock type node, with steel pipe formation one after maintenance
Body, and the concrete of monoblock type node inner and outer pipes interlayer is independent, the two is not communicated with.The edge of a wing steel pipe of beam and monoblock type node
Between connecting plate is connected by high-strength bolt, web is connected or welded by web connecting plate.
It can punch 20 on the node end carriage 9 of overcoat monoblock type node of the present invention, be easy to passing through for Architectural Equipment and pipeline.
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 for the framework that above-mentioned prestressing with bond combination beam is constituted：
Be prefabricated in the factory the steel member needed first, including sectional type outer tube 16, sectional type inner tube 15, sectional type honeycomb type work
Word beam, overcoat monoblock type node, when overcoat monoblock type node makes, are first laid flat the lower steel plate of lower reinforcing strip chamber ring flat-plate 8,
The main location-plate 24 of diplopore for welding single hole location-plate 23 and punching, is arranged in single hole location-plate 23 by presstressed reinforcing steel guide line and opens
In the main location-plate 24 of diplopore in hole, then the top steel plate of lower reinforcing strip chamber ring flat-plate 8 is welded, lower reinforcing strip chamber ring flat-plate 8 is formed,
Upper reinforcing strip chamber ring flat-plate 7, lower reinforcing strip chamber ring flat-plate 8 after welding are welded with node outer tube 6, then are carried out node web 11 and welded,
Finally the connection ring and end carriage connecting plate of the end of node outer tube 6 are welded, overcoat monoblock type node is formed；By sectional type outer tube 16
Realized with sectional type inner tube 15 and basis affixed, the two top is integrally higher by basic 0.5m or so, and sectional type inner tube 15 is than section
The high a certain distance of segmentation outer tube 16, reaches pre-designed height, then to sectional type outer tube 16 and sectional type inner tube 15
Interlayer in pour self-compacting concrete 13, concrete is reached after some strength, formed coupled column section of foundation；
Second segment sectional type inner tube bottom and the sectional type inner tube of coupled column section of foundation are connected, then again by second segment section
Formula outer tube and the sectional type outer tube of coupled column section of foundation are connected, it is ensured that sectional type inner tube 15 is consistently higher than sectional type outer tube 16,
And the high segment distance of egress one of sectional type inner tube 15, reaches pre-designed height at node；Treat in all sectional types
After empty concrete combination column is connected, self-compacting concrete is poured in the interlayer of sectional type inner tube 15 and sectional type outer tube 16
13, form hollow tube concrete combination column；
Overcoat monoblock type node is installed, passes through lower connection ring 5 and the bottom coupled column sectional type outer tube 16 of overcoat monoblock type node
Realization is reliably connected, and is connected sectional type honeycomb type I-beam and overcoat monoblock type node by high-strength bolt, right after connection
Junction is welded, at the same by draught line in sectional type honeycomb type I-beam and overcoat monoblock type node arrangement prestress
Muscle, carries out stretching tensioning, anchoring temporarily is on node end carriage 9 to presstressed reinforcing steel；Self-compaction is poured by concrete grouting hole 28
Concrete 13, it is ensured that the connectivity of concrete, maintenance reaches formation bottom group frame system after some strength；Then same bottom
The connection of two layers of steel member is equally completed, two times tensioning is carried out to deformed bar, control stress for prestressing is reached；Then successively
The second layer construct to top layer.
The construction method for the framework that above-mentioned prestressing with bond combination beam is constituted can also be adopted with the following method：
First by design in factory's blanking, prefabricated institute steel member in need is welded, including two ends weld the section of connection ring
Formula outer tube 16 and sectional type inner tube 15, the edge of a wing that two ends weld end carriage connecting plate 10 are rectangular steel pipe honeycomb type I-beam and overcoat
Monoblock type node.When overcoat monoblock type node makes, the lower steel plate of lower reinforcing strip chamber ring flat-plate 8 is laid flat first, in accurate position
The main location-plate 24 of diplopore for welding single hole location-plate 23 He punching is put, presstressed reinforcing steel guide line is arranged in location-plate, the side of being
Just presstressed reinforcing steel is come out from the internal traction of node 3 of closing during in-site installation.Then by the upper steel of lower reinforcing strip chamber ring flat-plate 8
Plate is welded, and forms lower reinforcing strip chamber ring flat-plate 8.Reinforcing strip chamber ring flat-plate is welded after welding with node outer tube 6 up and down, then carries out node
Web 11 is welded, and finally welds the connection ring of outer tube end and end carriage connecting plate 10, forms overcoat monoblock type node.By framework
All sectional type outer tubes 16 and sectional type inner tube 15 for welding connection ring of system are realized affixed with basis, and top is integrally higher by basis
0.5m or so, and inner tube a certain distance higher than outer tube, reach pre-designed height.Then self-compaction is poured into interlayer
Concrete 13.Concrete reached after some strength, by two ends weld the sectional type inner tube bottom of connection ring by connection ring with it is whole
The coupled column inner tube that body is above the ground level is connected, and the bottom of sectional type outer tube 16 that two ends then are welded into connection ring again passes through connection
Ring is connected with the overall coupled column outer tube being above the ground level, it is ensured that inner tube is consistently higher than outer tube, and the inner tube at bean column node
The high segment distance of egress one, reaches pre-designed height.After all sectional type hollow concrete coupled columns are connected,
Self-compacting concrete 13 is poured in inner and outer pipes interlayer, hollow tube concrete combination column is formed.Overcoat monoblock type node is installed, passed through
The lower connection ring 5 of node 3 and bottom column outer tube realize and be reliably connected, by high-strength bolt by honeycomb that the edge of a wing is rectangular steel pipe 14
Type I-beam and the connection of overcoat monoblock type node, carry out appropriate welding, while presstressed reinforcing steel is led to junction after connection
Cross draught line to arrange in beam and node 3, successively other frame joints of installation and beam.Presstressed reinforcing steel stretch and opened
Draw, anchoring temporarily is on side column node end carriage 9.By concrete grouting hole 28 into the edge of a wing steel pipe and node of beam and node
Self-compacting concrete 13 is poured in outside sandwich, it is ensured that concrete is filled up in beam and node, and ensures the connectivity of concrete, maintenance
Reach formation bottom group frame system after some strength.Then the construction second layer, to top layer, treats that all floors are all applied successively
Work is finished, and the presstressed reinforcing steel of bottom-up every layer of two times tensioning successively reaches control stress for prestressing, is realized reliable anchoring, is completed whole
The pre-stress construction of body framework.Advantage is that framework forms post-stress muscle, and conventional prestressed concrete frame one
Sample, it is ensured that overall stress.And frame system successively can uninterruptedly construct, presstressed reinforcing steel can realize concentration tensioning, prestressing force skill
Art personnel on site's activity duration is short, and integrated engineering cost is relatively low.The edge of a wing is the honeybee of concrete-filled rectangular steel tube in this kind of construction method
Socket type I-beam can be using beam-ends weakening type, and other work progress are constant.
Claims (10)
1. the framework that a kind of prestressing with bond combination beam is constituted, it is characterised in that：The frame that this prestressing with bond combination beam is constituted
Frame is by coupled column（1）And combination beam（2）Pass through node（3）Connect and compose, combination beam（2）It is horizontally set on coupled column（1）Between,
Node（3）Self-compacting concrete is filled out to be interior（13）Overcoat monoblock type node；Overcoat monoblock type node includes carrying 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 reinforcing strip chamber ring flat-plate is arranged at top（7）, lower reinforcing strip chamber ring flat-plate is arranged at bottom（8）, upper reinforcing strip chamber ring flat-plate（7）Level
Stretch out to form the upper node end carriage that inner chamber is communicated, lower reinforcing strip chamber ring flat-plate horizontally outward extends to form the lower section that inner chamber is communicated
Point end carriage, is node web between upper node end carriage and lower node end carriage（11）, node web（11）Prepared screw-bolt hole（12）, on
Node end carriage is provided with end carriage connecting plate with lower node end carriage（10）, lower reinforcing strip chamber ring flat-plate（8）Single hole is internally provided with to determine
Position plate（23）With the main location-plate of diplopore punched（24）, single hole location-plate（23）With the main location-plate of diplopore punched（24）Pass through
Respective base and lower reinforcing strip chamber ring flat-plate（8）It is fixed；Coupled column（1）For sectional type hollow tube concrete combination column, combination beam（2）
For the prestressing with bond honeycomb type I-beam that the edge of a wing is concrete-filled rectangular steel tube；Node（3）Pass through upper connection ring（4）, lower connection
Ring（5）With coupled column（1）It is fixedly connected, node（3）Pass through end carriage connecting plate（10）And node web（11）With combination beam（2）Even
Connect, combination beam（2）The presstressed reinforcing steel arranged in the rectangular steel pipe of lower flange is from lower reinforcing strip chamber ring flat-plate（8）Inside bypass node outer tube
（6）, presstressed reinforcing steel passes through single hole location-plate（23）With the main location-plate of diplopore punched（24）Positioning, steel shape is into symmetrical song
Line style, in node end carriage（9）Realize stretch-draw anchor in place；Combination beam（2）And node（3）Node end carriage（9）In pour self-compaction
Pea gravel concreten, has been poured after self-compaction pea gravel concreten, combination beam（2）Self-compaction pea gravel concreten and node end carriage（9）
Self-compaction pea gravel concreten be insertion, with node outer tube after maintenance（6）Form one.
2. the framework that prestressing with bond combination beam according to claim 1 is constituted, it is characterised in that：In described sectional type
Blank pipe concrete combination column is by sectional type inner tube（15）, sectional type outer tube（16）And sandwich concrete is constituted, sectional type inner tube
（15）, sectional type outer tube（16）Connection ring is carried, in sectional type inner tube（15）Shear stud is arranged on outer surface（17）, in section
Segmentation inner tube（15）Inside arrange inner bushing ring across a certain distance（26）；Sectional type inner tube（15）Connection ring and sectional type outer tube
（16）Connection ring mutually stagger；Sectional type inner tube is connected first（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 from
Air-free concrete（13）.
3. the framework that prestressing with bond combination beam according to claim 2 is constituted, it is characterised in that：The described edge of a wing is square
The prestressing with bond honeycomb type I-beam of shape concrete filled steel tube is by the rectangular steel pipe in the edge of a wing（14）Form, in honeycomb type work
Prepared screw-bolt hole is welded on the steel pipe of the word beam two ends edge of a wing（12）Connecting plate, form the edge of a wing for rectangular steel pipe（14）Sectional type honeybee
Socket type I-beam, to scene after with node（3）Pass through high-strength bolt and node web（11）It is fixedly connected, then to edge of a wing rectangle
Self-compacting concrete is poured in steel pipe（13）；Sectional type honeycomb type I-beam is in lower flange rectangular steel pipe（14）Middle arrangement is pre- in vivo
Stress rib.
4. the framework that prestressing with bond combination beam according to claim 3 is constituted, it is characterised in that：Described honeycomb type work
Transverse stiffener is arranged on the I-shaped web of word beam（18）.
5. the framework that prestressing with bond combination beam according to claim 4 is constituted, it is characterised in that：The described edge of a wing is square
Beam-ends is provided with weakening section by the honeycomb type I-beam of shape concrete filled steel tube（19）, weaken section（19）It is that the edge of a wing is concrete filled steel tube
I-shaped Honeycomb Beam, weaken section（19）Cross section for variable cross-section, be gradually reduced from two ends to center cross-sectional, weaken section
（19）Midpoint cross section it is minimum.
6. the framework that prestressing with bond combination beam according to claim 5 is constituted, it is characterised in that：Described node end carriage
（9）On punch（20）.
7. the framework that prestressing with bond combination beam according to claim 6 is constituted, it is characterised in that：Described sectional type honeybee
Honeycomb type hole in socket type I-beam is circular, I-shaped web（25）It is flat board.
8. the framework that prestressing with bond combination beam according to claim 6 is constituted, it is characterised in that：Described sectional type honeybee
Honeycomb type hole in socket type I-beam is hexagon, I-shaped web（25）It is folded plate.
9. the framework that prestressing with bond combination beam according to claim 7 is constituted, it is characterised in that：In described sectional type
Honeycomb type hole in honeycomb type I-beam is polygon, I-shaped web（25）It is sine curve template.
10. the construction method for the framework that the prestressing with bond combination beam described in a kind of claim 3 is constituted, it is characterised in that：It is first
First be prefabricated in the factory the steel member needed, including sectional type outer tube（16）, sectional type inner tube（15）, sectional type honeycomb type I-shaped
Beam, overcoat monoblock type node, when overcoat monoblock type node makes, first lower reinforcing strip chamber ring flat-plate（8）Lower steel plate be laid flat,
Weld single hole location-plate（23）With the main location-plate of diplopore punched（24）, presstressed reinforcing steel guide line is arranged in single hole location-plate
（23）With the main location-plate of diplopore punched（24）In, then by lower reinforcing strip chamber ring flat-plate（8）Top steel plate weld, formed it is lower plus
Strong band chamber ring flat-plate（8）, the upper reinforcing strip chamber ring flat-plate after welding（7）, lower reinforcing strip chamber ring flat-plate（8）With node outer tube（6）Welding, then
Carry out node web（11）Welding, finally by node outer tube（6）The connection ring and end carriage connecting plate of end（10）Weld, form outer
Cover monoblock type node；By sectional type outer tube（16）With sectional type inner tube（15）Realized with basis affixed, the two top is integrally higher by
Basic 0.5m or so, and sectional type inner tube（15）Than sectional type outer tube（16）High a certain distance, reaches pre-designed height
Degree, then to sectional type outer tube（16）With sectional type inner tube（15）Interlayer in pour self-compacting concrete（13）, concrete reaches
To after some strength, coupled column section of foundation is formed；
By second segment sectional type inner tube（15）Bottom and the sectional type inner tube of coupled column section of foundation（15）Connect, then again by
Two sections of sectional type outer tubes（16）With the sectional type outer tube of coupled column section of foundation（16）Connect, it is ensured that sectional type inner tube（15）All the time
Higher than sectional type outer tube（16）, and the sectional type inner tube at node（15）The high segment distance of egress one, reaches pre-designed
Height；After all sectional type hollow concrete coupled columns are connected, in sectional type inner tube（15）Than sectional type outer tube（16）
Interlayer in pour self-compacting concrete（13）, form hollow tube concrete combination column；
Overcoat monoblock type node is installed, passes through the lower connection ring of overcoat monoblock type node（5）With bottom coupled column sectional type outer tube
（16）Realization is reliably connected, and is connected sectional type honeycomb type I-beam and overcoat monoblock type node by high-strength bolt, is connected it
Junction is welded afterwards, while putting pre- in sectional type honeycomb type I-beam and overcoat monoblock type node lining by draught line
Stress rib, carries out stretching tensioning, anchoring temporarily is in node end carriage to presstressed reinforcing steel（9）On；Pass through concrete grouting hole（28）Pour
Build self-compacting concrete（13）, it is ensured that the connectivity of concrete, maintenance reaches formation bottom group frame system after some strength；
Then the connection of two layers of steel member is equally completed with bottom, two times tensioning is carried out to deformed bar, reaches that cable tensios control should
Power；Then successively the construction second layer to top layer.
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| CN116950249A (en) * | 2023-09-08 | 2023-10-27 | 天津大学 | Replaceable assembled RCS frame system of K-type eccentric support energy consumption section |
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