CN108999288A - A kind of prefabricated assembled bean column node - Google Patents

A kind of prefabricated assembled bean column node Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
column
steel
steel pipe
prefabricated
rectangular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811142641.5A
Other languages
Chinese (zh)
Other versions
CN108999288B (en
Inventor
王昆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jianbang Technology Group Co ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811142641.5A priority Critical patent/CN108999288B/en
Publication of CN108999288A publication Critical patent/CN108999288A/en
Application granted granted Critical
Publication of CN108999288B publication Critical patent/CN108999288B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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

Landscapes

  • 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

本发明公开了一种预制装配式混凝土梁柱节点结构，该节点用于连接预制下柱、预制上柱、预制梁；其设计要点在于，梁柱节点区域采用钢管连接件（3）连接，所述的钢管连接件（3）为长方体，上下两面开口，内部设置两层钢板（3‑1,3‑2），其中，上层钢板（3‑1）作为上柱预应力钢绞线（1‑4）的下侧锚固端，下层钢板（3‑2）作为下柱预应力钢绞线（1‑4）的上侧锚固端。本发明的预制装配式混凝土梁柱节点结构能够有效的提高异形边柱的抗剪承载力、和节点连接强度、节点施工效率。

The invention discloses a prefabricated assembled concrete beam-column node structure, which is used to connect prefabricated lower columns, prefabricated upper columns, and prefabricated beams; The steel pipe connector (3) described above is a cuboid with openings on the upper and lower sides, and two layers of steel plates (3‑1, 3‑2) are arranged inside, wherein the upper layer of steel plates (3‑1) is used as the upper column prestressed steel strand (1‑ 4) The lower anchoring end of the lower steel plate (3-2) is used as the upper anchoring end of the prestressed steel strand (1-4) of the lower column. The prefabricated assembled concrete beam-column node structure of the present invention can effectively improve the shear bearing capacity of the special-shaped side columns, the connection strength of the nodes, and the construction efficiency of the nodes.

Description

A kind of prefabricated assembled bean column node
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)

1.一种预制装配式混凝土梁柱节点结构，该节点用于连接预制下柱、预制上柱、预制梁；1. A prefabricated assembled concrete beam-column node structure, which is used to connect prefabricated lower columns, prefabricated upper columns, and prefabricated beams; 其特征在于，梁柱节点区域采用钢管连接件(3)连接，所述的钢管连接件(3)为长方体，上下两面开口，内部设置两层钢板(3-1,3-2)，其中，上层钢板(3-1)作为上柱预应力钢绞线(1-4)的下侧锚固端，下层钢板(3-2)作为下柱预应力钢绞线(1-4)的上侧锚固端。It is characterized in that the beam-column node area is connected by a steel pipe connector (3), and the steel pipe connector (3) is a cuboid with openings on both upper and lower sides, and two layers of steel plates (3-1, 3-2) are arranged inside, wherein, The upper steel plate (3-1) is used as the lower anchor end of the upper column prestressed steel strand (1-4), and the lower layer steel plate (3-2) is used as the upper anchor of the lower column prestressed steel strand (1-4) end. 2.根据权利要求1所述的一种预制装配式混凝土梁柱节点结构，其特征在于，所述下柱、上柱为异形边柱。2. A prefabricated concrete beam-column joint structure according to claim 1, characterized in that the lower column and the upper column are special-shaped side columns. 3.根据权利要求1所述的一种预制装配式混凝土梁柱节点结构，其特征在于，所述预制梁(2)中埋设预应力钢绞线，所述梁中的预应力钢绞线锚固在下柱核心区域的矩形钢管所对应的钢管连接件(3)的外侧。3. A prefabricated assembled concrete beam-column node structure according to claim 1, characterized in that a prestressed steel strand is embedded in the prefabricated beam (2), and the prestressed steel strand in the beam is anchored The outer side of the steel pipe connector (3) corresponding to the rectangular steel pipe in the core area of the lower column. 4.根据权利要求1所述的一种预制装配式混凝土梁柱节点结构，其特征在于，所述上柱的矩形钢管(1-1)突出于上柱的上端，下柱的矩形钢管(1-1)突出于下柱下端；4. A kind of prefabricated assembled concrete beam-column node structure according to claim 1, characterized in that, the rectangular steel pipe (1-1) of the upper column protrudes from the upper end of the upper column, and the rectangular steel pipe (1-1) of the lower column protrudes from the upper end of the upper column. -1) protruding from the lower end of the lower column; 在上柱和下柱的对应的各个矩形钢管(1-1)均布置有钢管连接件(3)，钢管连接件(3)套设于上柱下端突出的矩形钢管(1-1)和下柱上端突出的矩形钢管(1-1)外部，上柱、下柱、以及所述预制梁(2)三者共同通过钢管连接件(3)连接；The corresponding rectangular steel pipes (1-1) of the upper column and the lower column are all arranged with steel pipe connectors (3), and the steel pipe connectors (3) are sleeved on the rectangular steel pipes (1-1) protruding from the lower end of the upper column and the lower Outside the rectangular steel pipe (1-1) protruding from the upper end of the column, the upper column, the lower column, and the prefabricated beam (2) are jointly connected by a steel pipe connector (3); 所述的矩形钢管对应的各个钢管连接件(3)通过连接钢板(3-5)与钢管(3-4)连接在一起；连接钢板(3-5)设置在钢管连接件的下侧且设置螺栓孔，与其对应的下柱也预埋螺栓，通过螺栓组件与连接钢板固定；而钢管(3-4)作为预制梁(2)钢绞线在节点区域内穿设的通道。Each steel pipe connecting piece (3) corresponding to the rectangular steel pipe is connected together with the steel pipe (3-4) through the connecting steel plate (3-5); the connecting steel plate (3-5) is arranged on the lower side of the steel pipe connecting piece and set Bolt holes and the corresponding lower columns are also pre-embedded with bolts, which are fixed to the connecting steel plate through the bolt assembly; and the steel pipes (3-4) are used as passages for the steel strands of the prefabricated beams (2) to pass through in the joint area. 5.根据权利要求4所述的一种预制装配式混凝土梁柱节点结构，其特征在于，上柱的矩形钢管(1-1)的上侧、下柱的矩形钢板的下侧均埋设钢板(1-3)，矩形钢管(1-1)表面的钢板(1-4)与钢管连接件(3)的下层钢板(3-2)之间通过螺栓组件(1-5)连接，其中，螺栓预埋在下柱中；连接件与预制梁的一端设置插槽。5. a kind of prefabricated assembled concrete beam-column joint structure according to claim 4, is characterized in that, the upper side of the rectangular steel pipe (1-1) of upper column, the lower side of the rectangular steel plate of lower column all embeds steel plate ( 1-3), the steel plate (1-4) on the surface of the rectangular steel pipe (1-1) is connected to the lower steel plate (3-2) of the steel pipe connector (3) through a bolt assembly (1-5), wherein the bolt Embedded in the lower column; slots are set at one end of the connector and the prefabricated beam. 6.根据权利要求2所述的一种预制装配式混凝土梁柱节点结构，其特征在于，异形边柱-梁节点连接区域采用钢管连接件和混凝土，在钢管连接件的上、下钢板之间，以及各个钢管连接件之间填充混凝土。6. A prefabricated assembled concrete beam-column joint structure according to claim 2, characterized in that the special-shaped side column-beam joint connection area adopts steel pipe connectors and concrete, between the upper and lower steel plates of the steel pipe connectors , and fill concrete between the steel pipe connectors. 7.根据权利要求2所述的一种预制装配式混凝土梁柱节点结构，其特征在于，异形边柱(1)的核心区域以及肢部内设置矩形钢管(1-1)，相邻的矩形钢管(1-1)之间通过连接构件(1-2)连接；所述连接构件(1-2)所在平面与钢管所在的竖向平面垂直。7. A kind of prefabricated assembled concrete beam-column node structure according to claim 2, characterized in that rectangular steel pipes (1-1) are arranged in the core area and limbs of the special-shaped side columns (1), and the adjacent rectangular steel pipes (1-1) are connected by a connecting member (1-2); the plane where the connecting member (1-2) is located is perpendicular to the vertical plane where the steel pipe is located. 8.根据权利要求7所述的一种预制装配式混凝土梁柱节点结构，其特征在于，所述异形边柱内部设置预应力钢绞线；所述矩形钢管(1-1)的内侧和外侧周圈上沿钢管长度方向间隔布置设置有形状的钢筋(1-3)，外侧的形钢筋作为柱的构造筋的支撑定位筋，内侧的形钢筋作为矩形钢管与柱受力钢筋笼的连接筋；柱中埋设的预应力钢绞线(1-4)的管道插设于内侧的形钢筋与矩形钢管管壁之间的空间之间。8. A kind of prefabricated assembled concrete beam-column node structure according to claim 7, characterized in that, the inside of the special-shaped side column is provided with prestressed steel strands; the inside and outside of the rectangular steel pipe (1-1) The circumference is arranged at intervals along the length direction of the steel pipe with Shaped bars (1-3), outer The shaped steel bar is used as the supporting positioning bar of the structural bar of the column, and the inner side The shaped steel bar is used as the connecting bar between the rectangular steel pipe and the reinforced steel cage of the column; the pipeline of the prestressed steel strand (1-4) embedded in the column is inserted into the inner Between the space between the shaped steel bar and the wall of the rectangular steel tube.
CN201811142641.5A 2017-05-11 2017-05-11 A prefabricated beam-column joint Active CN108999288B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811142641.5A CN108999288B (en) 2017-05-11 2017-05-11 A prefabricated beam-column joint

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710331548.8A CN106948549B (en) 2017-05-11 2017-05-11 A prefabricated special-shaped side column
CN201811142641.5A CN108999288B (en) 2017-05-11 2017-05-11 A prefabricated beam-column joint

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201710331548.8A Division CN106948549B (en) 2017-05-11 2017-05-11 A prefabricated special-shaped side column

Publications (2)

Publication Number Publication Date
CN108999288A true CN108999288A (en) 2018-12-14
CN108999288B CN108999288B (en) 2020-12-04

Family

ID=59478440

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201710331548.8A Expired - Fee Related CN106948549B (en) 2017-05-11 2017-05-11 A prefabricated special-shaped side column
CN201811142641.5A Active CN108999288B (en) 2017-05-11 2017-05-11 A prefabricated beam-column joint

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201710331548.8A Expired - Fee Related CN106948549B (en) 2017-05-11 2017-05-11 A prefabricated special-shaped side column

Country Status (1)

Country Link
CN (2) CN106948549B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 Assembled frame system with concrete-filled steel tubular split-limb combined special-shaped column and shock-absorbing wall
CN112267559B (en) * 2020-11-20 2024-10-11 南京工业大学 Concrete T-shaped prefabricated component reinforced with built-in corrugated steel plate and its manufacturing process
CN112922234A (en) * 2021-01-27 2021-06-08 海南大学 Equivalent steel reinforced concrete prefabricated column and construction method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1150540A (en) * 1997-08-05 1999-02-23 Kurosawa Kensetsu Kk Column and beam joining method and joint structure
CN101550727A (en) * 2009-04-28 2009-10-07 华南理工大学 Node of connection of column and beam
CN103132602A (en) * 2013-02-27 2013-06-05 同济大学 Self-resetting frame joint
CN105649202A (en) * 2016-01-11 2016-06-08 安徽理工大学 Prestress fabricated frame joint structure and construction method thereof
CN205369544U (en) * 2016-02-22 2016-07-06 华北理工大学 Assembled circular steel tube concrete dysmorphism post side column nodal connection structure
CN106049691A (en) * 2016-07-20 2016-10-26 福建工程学院 Fully-prefabricated assembling type steel tube constraint frame node

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201865243U (en) * 2010-05-27 2011-06-15 沈阳建筑大学 Separation type T-shaped concrete-filled steel pipe core column
CN103526881A (en) * 2012-07-04 2014-01-22 长江大学 Combined steel rib-embedded concrete-filled steel tube column with irregularly-shaped section
CN104405043A (en) * 2014-10-28 2015-03-11 苏州工业园区设计研究院股份有限公司 Connecting structure for rectangular concrete-filled steel tubular column and reinforced concrete beam
CN105442754A (en) * 2015-12-28 2016-03-30 天津大学 Assembled double-plate-connected concrete-filled steel tube composite special-shaped column

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1150540A (en) * 1997-08-05 1999-02-23 Kurosawa Kensetsu Kk Column and beam joining method and joint structure
CN101550727A (en) * 2009-04-28 2009-10-07 华南理工大学 Node of connection of column and beam
CN103132602A (en) * 2013-02-27 2013-06-05 同济大学 Self-resetting frame joint
CN105649202A (en) * 2016-01-11 2016-06-08 安徽理工大学 Prestress fabricated frame joint structure and construction method thereof
CN205369544U (en) * 2016-02-22 2016-07-06 华北理工大学 Assembled circular steel tube concrete dysmorphism post side column nodal connection structure
CN106049691A (en) * 2016-07-20 2016-10-26 福建工程学院 Fully-prefabricated assembling type steel tube constraint frame node

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
CN106948549A (en) 2017-07-14
CN106948549B (en) 2018-12-21
CN108999288B (en) 2020-12-04

Similar Documents

Publication Publication Date Title
CN106948549B (en) A prefabricated special-shaped side column
CN107268807B (en) A kind of Prefabricated concrete-filled steel tube superposed column
CN106968365B (en) A prefabricated anti-buckling steel plate shear wall with both load bearing and energy consumption
WO2019056716A1 (en) Fully-assembled prestress concrete frame anti-seismic energy dissipation member system and construction method
JPH1096263A (en) Method of assembling precast concrete columns and slabs
KR101027393B1 (en) Two-way and one-way masonry seismic reinforcement method
CN103388357A (en) Shock-proof prefabricated steel tube shear wall mixed structural building
CN206448364U (en) A kind of spigot-and-socket bean column node
CN110258790A (en) Vertical dry connection joints and construction method of prefabricated frame column with shear keyway
CN104818775A (en) Novel prefabricated frame structure
US20090120025A1 (en) Prefabricated concrete reinforcement system
CN115045181A (en) Socket joint type node connection method and structure for prefabricated pier column and bearing platform in middle and high intensity region
CN103938757A (en) Prestressed self-reset shear wall with bottom provided with horizontal seam
CN108824671A (en) The fabricated shear wall and its construction method of curved scissors stress separation
CN106638951A (en) Novel assembly type concrete beam column joint and construction method thereof
CN105113660A (en) Construction method of constructional column constructed simultaneously with framework structure infill wall
KR100583352B1 (en) L-shaped steel element joint
JP2005155139A (en) Seismic reinforcing external frame construction method of existing building
CN115030315A (en) Semi-prefabricated angle steel framework type concrete column-beam column joint and construction method
KR102554408B1 (en) Connection Structure Between Steel-Concrete Hybrid Columns Using Vetical Member
CN107060212B (en) Prefabricated abnormity center pillar, assembled beam-column node and its construction method
CN207739130U (en) A kind of concrete-filled double skin steel tube bridge pier
CN112376690B (en) A beam-column node of a support-free horizontal prefabricated floor and a construction method thereof
CN109577520B (en) Steel pipe concrete key connection shear wall column structure and assembly method
JP7532735B2 (en) Connection structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20201109

Address after: 331200 Xifu Building 3, Zhangshu Aerospace Hotel, Yichun City, Jiangxi Province

Applicant after: Jiangxi Jianbang Construction Group Co.,Ltd.

Address before: 234101 Anhui province Suzhou City Yongqiao District Fu Li Zhen Tong route No. 2

Applicant before: Wang Kun

GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 331200 No. 77, Yanjiang South Road, Zhangshu City, Yichun City, Jiangxi Province

Patentee after: Jianbang Technology Group Co.,Ltd.

Address before: 331200 Xifu Building 3, Zhangshu Aerospace Hotel, Yichun City, Jiangxi Province

Patentee before: Jiangxi Jianbang Construction Group Co.,Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A prefabricated assembly beam column node

Granted publication date: 20201204

Pledgee: Jiangxi Zhangshu Rural Commercial Bank Co.,Ltd.

Pledgor: Jianbang Technology Group Co.,Ltd.

Registration number: Y2025980047007

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20201204

Pledgee: Jiangxi Zhangshu Rural Commercial Bank Co.,Ltd.

Pledgor: Jianbang Technology Group Co.,Ltd.

Registration number: Y2025980047007