CN108999288A - A kind of prefabricated assembled bean column node - Google Patents
A kind of prefabricated assembled bean column node Download PDFInfo
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- CN108999288A CN108999288A CN201811142641.5A CN201811142641A CN108999288A CN 108999288 A CN108999288 A CN 108999288A CN 201811142641 A CN201811142641 A CN 201811142641A CN 108999288 A CN108999288 A CN 108999288A
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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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- 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
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a kind of prefabricated assembled concrete beam-column node structure, the node is for connecting prefabricated lower prop, prefabricated upper prop, precast beam；Its designing points is, bean column node region is connected using connector of steel tube (3), the connector of steel tube (3) is cuboid, upper and lower surface opening, inside setting two-layered steel plates (3-1,3-2), wherein, downside anchored end of the upper layer steel plate (3-1) as upper prop prestress wire (1-4), upside anchored end of the lower layer's steel plate (3-2) as lower prop prestress wire (1-4).Prefabricated assembled concrete beam-column node structure of the invention can effectively improve the shear-carrying capacity and node bonding strength, node construction efficiency of special-shaped side column.
Description
Technical field
The invention patent belongs to building engineering field, and in particular to a kind of prefabricated special-shaped side column, prefabricated assembled beam column section
Point and its construction method.
Background technique
CN103850350A discloses a kind of fabricated assembly overall special-shaped column structure and its concatenation construction method, the structure
Including prefabricated upper prop, prefabricated lower prop and Prefabricated superposed beam；The prefabricated upper prop, prefabricated lower prop are embedded with channel steel, have on channel steel pre-
The bolt hole stayed, adjacent prefabricated upper prop and prefabricated lower prop are bolted together by channel steel, and forming one kind, there are cast-in-place
The Special-Shaped Column up and down in area, cast-in-place area part are equipped with encryption stirrup；The Prefabricated superposed beam is anchored at by the vertical muscle of beam
In Special-Shaped Column；The non-pouring concrete part of the two neighboring prefabricated upper prop, the cast-in-place area of prefabricated lower prop and Prefabricated superposed beam,
Filled with cast-in-place concrete, the entirety of beam column combination is formed.However, the method that the document proposes be only applicable to it is conventional pre-
Special-Shaped Column-girder construction processed, the prestressed girder rod structure for being suitable for large span are then not suitable for.
CN103669567A repairs steel Special-Shaped Column-prestressing force accentric support frame, steel abnormity after disclosing a kind of novel shake
Column is used cooperatively with steel strand wires, however the document does not have how to apply prestressing force in concrete profiled pile.
In the development process of assembled architecture, the use of Special-Shaped Column is more and more frequent；However do not have also in the prior art pre-
The related technology reports of stress abnormity side column-beam connection structure.However the demand of reality is more more and more intense.This technology needs
Solve following technical problem: 1) Special-Shaped Column is different from regular shape column, and axial compression ratio limitation is lower, and when special-shaped post design is wanted
Emphasis considers the failure by shear for dividing limb portion；2) prestressed anchor of Special-Shaped Column is arranged wherein；3) Special-Shaped Column-girder connection structure is such as
What realizes " strong node, weak component "；4) when node using it is cast-in-place when, how upper prop, lower prop, beam three fix.The application emphasis
The related art scheme of anisotropic side column is illustrated, the content of anisotropic center pillar is separately applied.
Summary of the invention
A kind of prefabricated special-shaped side column, prefabricated assembled beam column are provided the purpose of the present invention is overcoming the deficiencies of existing technologies
Node and its construction method, so as to solve the deficiencies in the prior art.
The technical scheme is that a kind of prefabricated special-shaped side column, using concrete structure, which is characterized in that heterotype edge
Rectangular steel pipe (1-1) is set in the nucleus of column (1) and limb portion, is connected with waveform between adjacent rectangular steel pipe (1-1)
Steel plate or connection lacing；The quantity of the corrugated sheet steel or lacing be it is several, where plane and steel tube place it is vertical
Plane is vertical.
Further, prestress wire is set inside the special-shaped side column；The inner side and outer side of the rectangular steel pipe (1-1)
Along length of steel pipe direction, arranged for interval is provided on borderThe reinforcing bar (1-3) of shape, outsideShape reinforcing bar
The support positioning bar of construction muscle as column, insideConnection of the shape reinforcing bar as rectangular steel pipe and column steel bar stress cage
Muscle；The pipeline of inbuilt prestress wire (1-4) is inserted in inside in columnShape reinforcing bar and rectangular steel pipe tube wall it
Between space between.
Further, if prefabricated Special-Shaped Column is corner post, 3 rectangular steel pipes (1-1) are set using L shape column and altogether；If prefabricated
When column is the side column of non-corner post, using 4 rectangular steel pipes (1-1) of T shape column and setting.
A kind of prefabricated assembled concrete beam-column node structure, the node is for connecting prefabricated lower prop, prefabricated upper prop, prefabricated
Beam；The lower prop, upper prop are using special-shaped side column above-mentioned；It is characterized in that, bean column node region uses steel structure connection, institute
The rectangular steel pipe (1-1) of the upper prop protrudes from the upper end of upper prop, and the rectangular steel pipe (1-1) of lower prop protrudes under lower prop
End；
It is arranged with connector of steel tube (3) in corresponding each rectangular steel pipe (1-1) of upper prop and lower prop, connector of steel tube (3)
It is external to be sheathed on upper prop lower end rectangular steel pipe outstanding (1-1) and lower prop upper end rectangular steel pipe outstanding (1-1), upper prop, lower prop,
And precast beam (2) three connects commonly through connector of steel tube (3)；
The connector of steel tube (3) is cuboid, upper and lower surface opening, inside setting two-layered steel plates (3-1,3-2), wherein
Downside anchored end of the upper layer steel plate (3-1) as upper prop prestress wire (1-4), lower layer's steel plate (3-2) are answered in advance as lower prop
The upside anchored end of power steel strand wires (1-4)；
Prestress wire is buried in the precast beam (2), the prestress wire in the beam is anchored at lower prop nucleus
Rectangular steel pipe corresponding to connector of steel tube (3) outside.
Further, the corresponding each connector of steel tube (3) of the rectangular steel pipe passes through junction steel plate (3-5) and steel pipe
(3-4) links together；The downside of connector of steel tube and setting bolt hole is arranged in junction steel plate (3-5), under corresponding
Column also pre-embedded bolt, is fixed by bolt assembly and junction steel plate；And steel pipe (3-4) is used as precast beam (2) steel strand wires in node
The channel worn in region.
Further, the upside of the rectangular steel pipe (1-1) of upper prop, the downside of the rectangular steel pipe of lower prop are embedded steel plate (9), square
Pass through bolt assembly (1-5) between the steel plate (1-4) on the surface shape steel pipe (1-1) and lower layer's steel plate (3-2) of connector of steel tube (3)
Connection, wherein bolt embedment is in lower prop.
Further, slot is arranged in one end of connector of steel tube and precast beam.
Further, special-shaped side column-girder connection join domain uses connector of steel tube and concrete, in connector of steel tube
Fill concrete between steel plate and between each connector of steel tube above and below.
A kind of construction method of prefabricated assembled concrete beam-column node structure, which is characterized in that construction procedure are as follows:
First, make the upper prop and lower prop, precast beam (2) of prefabricated special-shaped side column；
Second, lower prop is lifted, after the completion of lower prop positioning construction；Connector of steel tube (3) are installed again, in the rectangle steel outstanding of lower prop
Connector of steel tube (3) are arranged on pipe (1-1), are then connected by screw bolts steel plate (1-4) and steel pipe connecting of the component (1-5) by lower prop
Lower layer's steel plate (3-2) of fitting connects；
Third applies prestressing force to the prestress wire (1-4) of lower prop, to answering in advance by the way of unilateral prestretching when construction
The upper end of power steel strand wires applies prestressing force, is anchored at lower layer's steel plate (3-2) upper end；
4th, precast beam (2) is inserted into the slot in connector of steel tube, is against the vertical steel plate of connector of steel tube, then
The prestress wire for wearing beam, into connector of steel tube (3)；The prestress wire of precast beam also uses unilateral prestretching
The side of the prestress wire of beam is anchored at connector of steel tube corresponding to the rectangular steel pipe of lower prop nucleus by mode
(3) outside；
5th, upper prop is installed, the upper layer steel plate (3-1) that the prestress wire of upper prop is fixed on connector of steel tube is held.
Further, after the 5th step further include: the 6th, steel pipe connecting is fixed in one end of the prestress wire of lower prop
On the upper layer steel plate (3-1) of fitting, then in the inside of connector of steel tube and periphery casting concrete
By adopting the above technical scheme, compared with prior art, the invention has the benefit that
First, divide limb and core to bury steel pipe in Special-Shaped Column, to mention the Compressive Bearing Capacity of column；By between steel pipe
Connecting elements improve the shear-carrying capacity of Special-Shaped Column, it should be noted that connecting elements such as junction steel plate does not use
The technology prejudice that the mode being arranged in perpendicular, the i.e. present invention have broken vertical connector is in 90 ° using with perpendicular
Setting, at this point, the full breadth of plate body can undertake shearing force, improves the forced area of anti-shearing force in plane, thus
It improves and the shear-carrying capacity of column, and connecting elements is the position for being easiest to occur failure by shear by Special-Shaped Column changes of section
It sets, so that the more serious position of failure by shear is arranged in member in shear memory, has achieved the effect that improve Special-Shaped Column shear-carrying capacity；
Second, concrete side column-girder connection can greatly improve the node of industrial building using steel construction come connecting column-beam
Construction efficiency；
Third, upper prop and lower prop are anchored on connector of steel tube by prestress wire, improve the self-resetting capability of cylinder,
It, being capable of Self-resetting due to the effect of prestress wire under geological process；
4th, each connector of steel tube of rectangular steel pipe wears steel pipe by level and horizontal steel plate connects and to form a rigidity
Larger entirety；
5th, node region is additionally provided with concrete, i.e., prefabricated different side column uses cast-in-place node, when for civilian worker's building
The Seismic Bearing Capacity that can reinforce node is equivalent to setting structural steel connecting member in node area；
6th, node structure of the invention is suitable only for the column that height is less than 18m.
Detailed description of the invention:
Fig. 1: the plane design drawing of L-type, T-type Special-Shaped Column.
Fig. 2: the vertical connection figure of rectangular steel pipe.
Fig. 3: the plane detail view of rectangular steel pipe.
Fig. 4: Section A-A schematic diagram.
Fig. 5: section B-B schematic diagram.
Fig. 6: the schematic three dimensional views of connector of steel tube.
Fig. 7: the joint detail figure of connector of steel tube and lower prop.
Fig. 8: the corresponding Integral Steel pipe connections plan view of the corresponding T-type Special-Shaped Column of embodiment three.
Fig. 9: the corresponding connector of steel tube schematic diagram of example IV.
Figure 10: the mechanical analysis schematic diagram of two comparative examples of embodiment six.
Specific embodiment
Embodiment 1: as shown in figures 1 to 6, a kind of prefabricated assembled concrete beam-column node structure, the node is applied to side
The connection of column-beam；Including precast beam (2), prefabricated post (1), bean column node region uses steel structure connection；
Wherein, prefabricated post (1) is Special-Shaped Column, is corresponding with the precast beam (2) in each limb portion of Special-Shaped Column, prefabricated post (1)
Nucleus and limb portion are respectively provided with rectangular steel pipe (1-1)；Concrete has been poured in rectangular steel pipe (1-1)；
When prefabricated post is corner post, 3 rectangular steel pipes (1-1) are arranged in the L shape column of use altogether；
When prefabricated post is the side column of non-corner post, 4 rectangular steel pipes (1-1) are arranged in the T shape column of use；
It is connected between the adjacent rectangular steel pipe (1-1) of prefabricated post (1) by connecting elements (1-2)；Connecting elements (1-2) uses
Lacing or the corrugated sheet steel that punches, several connecting elements (1-2) symmetrical chiasmas are set as, using the X-type of the symmetric form on the right side of Fig. 2
Connecting elements (1-2), component therein and horizontal plane are in 30-45 ° of angle；The rectangular steel pipe (1-1) is protruded from pre-
The top and bottom of column processed；
As shown in figure 3, along length of steel pipe direction, arranged for interval is provided on the inner side and outer side border of the rectangular steel pipeThe reinforcing bar (1-3) of shape, it acts as: fixed point when construction as the rectangular steel pipe of suspention；Outside
Support positioning bar of the shape reinforcing bar as the construction muscle of column, insideShape reinforcing bar is as rectangular steel pipe and column steel bar stress cage
Dowel；The pipeline of embedded prestress wire (1-4) in pillar is inserted in insideShape reinforcing bar and rectangle steel
Between space between tube wall；
The prefabricated post (1) of node point connection includes upper prop and lower prop, in corresponding each rectangular steel pipe (1-1) of upper prop and lower prop
It is arranged with connector of steel tube (3), connector of steel tube (3) is sheathed on upper prop lower end rectangular steel pipe outstanding (1-1) and lower prop
Hold rectangular steel pipe outstanding (1-1) external, upper prop, lower prop and the precast beam (2) three are commonly through connector of steel tube
(3) it connects；
As Figure 4-Figure 6, connector of steel tube (3) is cuboid, and upper and lower surface opening is internal that two-layered steel plates (3-1,3-2) is arranged,
Wherein, downside anchored end of the upper layer steel plate (3-1) as upper prop prestress wire (1-4), lower layer's steel plate (3-2) are used as lower prop
The upside anchored end of prestress wire (1-4)；The part outstanding rectangular steel pipe (1-1) of the upper prop and the upper layer steel plate
The part outstanding rectangular steel pipe (1-1) of (3-1), the lower prop just coincide with lower layer's steel plate (3-2)；
Prefabricated post (1) improves the self-resetting capability of cylinder by prestress wire (1-4), under geological process, due to answering in advance
The effect of power steel strand wires, being capable of Self-resetting；
Prestress wire in precast beam (2) is anchored at connector of steel tube corresponding to the rectangular steel pipe of lower prop nucleus
(3) outside.
Embodiment two, with embodiment one the difference is that, as Figure 7-8, in the rectangular steel pipe (1- of prefabricated post (1)
1) steel plate (9) are buried in two sides, the steel plate (1-4) on the surface rectangular steel pipe (1-1) and the lower layer steel plate (3- of connector of steel tube (3)
2) it is connected between by bolt assembly (1-5), wherein bolt embedment is in lower prop.Connector of steel tube (3) is different from embodiment
The corresponding connector of steel tube of the rectangular steel pipe of special-shaped side column (3) is passed through junction steel plate (3-5) in the present embodiment by separate type way
Steel pipe (3-4) is worn with level to link together；Preferably, junction steel plate (3-5) is arranged in the downside of connector of steel tube and sets
Set bolt hole, corresponding lower prop also pre-embedded bolt is fixed by bolt assembly and junction steel plate；And steel pipe (3-4) conduct
The channel that precast beam (2) steel strand wires are worn in node region；When side column uses L-type, when vertical view, level wears steel pipe (3-
4) also L-shaped；When side column uses T-type, when vertical view, it is also T-shaped that level wears steel pipe (3-4)；Two-way level wears steel pipe
(3-4) at various height on, cannot intersect.
The construction procedure of the node is as follows:
First, make the upper prop and lower prop, precast beam (2) of prefabricated special-shaped side column；
Second, lower prop is lifted, after the completion of lower prop positioning construction；Connector of steel tube (3) are installed again, in the rectangle steel outstanding of lower prop
Connector of steel tube (3) are arranged on pipe (1-1), are then connected by screw bolts steel plate (1-4) and steel pipe connecting of the component (1-5) by lower prop
Lower layer's steel plate (3-2) of fitting connects；
Third applies prestressing force to the prestress wire (1-4) of lower prop, to answering in advance by the way of unilateral prestretching when construction
The upper end of power steel strand wires applies prestressing force, is anchored at lower layer's steel plate (3-2) upper end；
4th, precast beam (2) is set up in predeterminated position, then wears the prestress wire of beam, into connector of steel tube (3)
In；The side of the prestress wire of beam is also anchored at down by the way of unilateral prestretching by the prestress wire of precast beam
The outside of connector of steel tube corresponding to the rectangular steel pipe of column nucleus (3)；
5th, upper prop is installed, the upper layer steel plate (3-1) that the prestress wire of upper prop is fixed on connector of steel tube is held.
Embodiment three, as shown in figure 9, connector of steel tube uses monoblock type as embodiment two, the difference is that steel
Also set up on pipe connections with horizontal steel plate (3-6), what the horizontal steel plate (3-6) was arranged in lower prop divides limb portion rectangular steel pipe pair
The outside for the connector of steel tube answered, and the upper surface gapless with lower prop；When construction, precast beam (2) is placed in the level
On steel plate (3-6), the end of precast beam is against on the vertical steel plate of connector of steel tube.
Example IV, such as embodiment three, the difference is that, the upper/lower terminal in connector of steel tube is respectively provided with level
Steel plate is formed with the join domain of precast beam (2)Shape, further, one end of connector of steel tube and precast beam are arranged
The slot that " the upper and lower vertical steel plate in horizontal steel plate+left and right " is formed；Construction procedure is similar with embodiment three, precast beam (2) insertion
In slot into connector of steel tube.
Embodiment one, two, three, four is primarily adapted for use in industrial building, requirement of the industrial building for construction efficiency compared with
Height can be built using prefabricated special-shaped side column-connector of steel tube-precast beam theory of embodiment one, two, three, four meeting
In the case where seismic behavior, the raising speed of application of maximal efficiency；Also, special-shaped side column and precast beam use prestressed structure,
With Self-resetting effect.
Embodiment five, the difference with embodiment one, two, three, four, special-shaped side column-girder connection join domain use: steel pipe connecting
Fitting and concrete, the surrounding setting opening (3-3) of connector of steel tube, in order to fill the coagulation that vibrates between upper and lower level steel plate
Soil；When construction, on the upper layer steel plate (3-1) that one end of the prestress wire of lower prop is fixed on connector of steel tube, then exist
The inside of connector of steel tube and periphery casting concrete.The node structure of embodiment five can be used for civil buildings, embodiment five
Design is equivalent to: also reinforcing node structure by the way of concrete+fashioned iron in beam-column connection region.
Embodiment six can be improved special-shaped side column connecting elements 1-2 arrangement the mechanics principle of shear-carrying capacity
It is illustrated:
(1) using Figure 10 a as comparative example, when connecting elements uses vertical steel plate, i.e. plane where steel plate and rectangular steel pipe institute
Vertical plane it is parallel, at this point, shear-carrying capacity Fa=t × L × fy, in which: t indicates that plate thickness, L indicate cutting according to hypothesis
The sheared length of shear force direction upper steel plate, the fy of steel plate indicate the yield strength of steel plate；Wherein, L=b/cos α；Wherein, b is indicated
The inner vertical distance of two adjacent rectangular steel pipes, α indicate the shear direction angle with horizontal plane assumed；
By taking Figure 10 b as an example, using the solution of the present invention, the shear-carrying capacity F of one block of steel plate at this timeb=t1× s × fy, wherein
t1Indicate the sheared length in the shear direction along hypothesis, size are as follows: t1=t/cos (90 °-alpha-beta) its minimum value is t, β
For steel plate angle with horizontal plane of the invention；S indicates the width of steel plate, for convenience of comparing, it is believed that the width of itself and rectangular steel pipe
Spend
The solution of the present invention can encounter several pieces on shear direction, the block number specifically encountered, the spacing and arrangement with steel plate
Mode has relationship；
It is compared in order to facilitate calculating, the solution of the present invention only has one piece of steel plate shearing resistance, and calculated result is as follows:
Fa/Fb=bsin (alpha+beta)/(s × cos α)
It follows that the two schemes main distinction is: the difference of b, s, the qualitative analysis from formula, if rectangular steel pipe itself
Width is bigger, and rectangular steel pipe distance it is closer when, it is more advantageous using the solution of the present invention.
From FbCalculation formula from the point of view of, when β value is 0 °, value is maximum；When i.e. steel plate is horizontally disposed, shear-carrying capacity is most
Greatly.
But the impossible elongated setting horizontal steel plate on rectangular steel pipe length direction, but if using oblique steel plate, need
Consider how the shear-carrying capacity of raising steel plate.
The X-type unit shearing resistance that Fig. 2 is provided in the present invention, X-type unit are made of two symmetrical components.Shearing resistance carrying corresponding to it
Power formula is as follows:
Fb=[t/ | sin (alpha+beta) |+t/ | sin (alpha-beta) |] × s × fy；
By above-mentioned calculation formula it is found that the angle as β and α is closer, shear-carrying capacity is bigger.
In engineering practice, the shearing crack α of Special-Shaped Column is generally between 30 ° -45 °；X-type unit member and the angle of horizontal plane are excellent
Choosing is also 30 ° -45 °.
The preferred embodiment of present aspect has already been described in detail above, it is understood that read it is of the invention it is above-mentioned in
Rong Hou, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall into the application institute
In the protection scope of attached claims.
Claims (8)
1. a kind of prefabricated assembled concrete beam-column node structure, the node is for connecting prefabricated lower prop, prefabricated upper prop, prefabricated
Beam；
It is characterized in that, bean column node region is connected using connector of steel tube (3), the connector of steel tube (3) is cuboid,
Upper and lower surface opening, inside setting two-layered steel plates (3-1,3-2), wherein upper layer steel plate (3-1) is used as upper prop prestress wire
The downside anchored end of (1-4), upside anchored end of the lower layer's steel plate (3-2) as lower prop prestress wire (1-4).
2. a kind of prefabricated assembled concrete beam-column node structure according to claim 1, which is characterized in that under described
Column, upper prop are special-shaped side column.
3. a kind of prefabricated assembled concrete beam-column node structure according to claim 1, which is characterized in that described prefabricated
Prestress wire is buried in beam (2), the prestress wire in the beam is anchored at the rectangular steel pipe institute of lower prop nucleus
The outside of corresponding connector of steel tube (3).
4. a kind of prefabricated assembled concrete beam-column node structure according to claim 1, which is characterized in that the upper prop
Rectangular steel pipe (1-1) protrude from the upper end of upper prop, the rectangular steel pipe (1-1) of lower prop protrudes from lower prop lower end；
It is arranged with connector of steel tube (3) in corresponding each rectangular steel pipe (1-1) of upper prop and lower prop, connector of steel tube (3)
It is external to be sheathed on upper prop lower end rectangular steel pipe outstanding (1-1) and lower prop upper end rectangular steel pipe outstanding (1-1), upper prop, lower prop,
And precast beam (2) three connects commonly through connector of steel tube (3)；
The corresponding each connector of steel tube (3) of the rectangular steel pipe is connected to one by junction steel plate (3-5) and steel pipe (3-4)
It rises；Junction steel plate (3-5) is arranged in the downside of connector of steel tube and setting bolt hole, corresponding lower prop also pre-embedded bolt,
It is fixed by bolt assembly and junction steel plate；And steel pipe (3-4) leads to as what precast beam (2) steel strand wires were worn in node region
Road.
5. a kind of prefabricated assembled concrete beam-column node structure according to claim 4, which is characterized in that the square of upper prop
Upside, the downside of the rectangular steel plates of lower prop of shape steel pipe (1-1) are embedded steel plate (1-3), the steel plate on the surface rectangular steel pipe (1-1)
It is connect between (1-4) and lower layer's steel plate (3-2) of connector of steel tube (3) by bolt assembly (1-5), wherein bolt embedment exists
In lower prop；Slot is arranged in one end of connector and precast beam.
6. a kind of prefabricated assembled concrete beam-column node structure according to claim 2, which is characterized in that heterotype edge
Column-girder connection join domain uses connector of steel tube and concrete, between the upper and lower steel plate of connector of steel tube and each
Fill concrete between connector of steel tube.
7. a kind of prefabricated assembled concrete beam-column node structure according to claim 2, which is characterized in that special-shaped side column
(1) rectangular steel pipe (1-1) is set in nucleus and limb portion, passes through connecting elements between adjacent rectangular steel pipe (1-1)
(1-2) connection；Plane where the connecting elements (1-2) and steel tube place vertical plane it is vertical.
8. a kind of prefabricated assembled concrete beam-column node structure according to claim 7, which is characterized in that the abnormity
Prestress wire is set inside side column；On the inner side and outer side border of the rectangular steel pipe (1-1) between length of steel pipe direction
It is provided with every arrangementThe reinforcing bar (1-3) of shape, outsideSupport positioning of the shape reinforcing bar as the construction muscle of column
Muscle, insideDowel of the shape reinforcing bar as rectangular steel pipe and column steel bar stress cage；Inbuilt prestress steel twist in column
The pipeline of line (1-4) is inserted in insideBetween space between shape reinforcing bar and rectangular steel pipe tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142641.5A CN108999288B (en) | 2017-05-11 | 2017-05-11 | Prefabricated assembled beam column node |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142641.5A CN108999288B (en) | 2017-05-11 | 2017-05-11 | Prefabricated assembled beam column node |
| CN201710331548.8A CN106948549B (en) | 2017-05-11 | 2017-05-11 | A kind of prefabricated special-shaped side column |
Related Parent Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112282056A (en) * | 2020-11-20 | 2021-01-29 | 北京建筑大学 | Take self tapping bolt's core section of thick bamboo formula prestressed column node |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107288269A (en) * | 2017-07-21 | 2017-10-24 | 长沙远大住宅工业集团股份有限公司 | A kind of prefabricated post attachment structure |
| CN109372186B (en) * | 2018-12-03 | 2021-03-16 | 北京工业大学 | Assembly frame system with steel pipe concrete divides special-shaped post of limb combination and damping wall |
| CN112922234A (en) * | 2021-01-27 | 2021-06-08 | 海南大学 | Equivalent steel reinforced concrete prefabricated column and construction method thereof |
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| CN108999288B (en) | 2020-12-04 |
| CN106948549A (en) | 2017-07-14 |
| CN106948549B (en) | 2018-12-21 |
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