CN106284753A - Steel construction and the attachment structure of precast slab - Google Patents

Steel construction and the attachment structure of precast slab Download PDF

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Publication number
CN106284753A
CN106284753A CN201610668726.1A CN201610668726A CN106284753A CN 106284753 A CN106284753 A CN 106284753A CN 201610668726 A CN201610668726 A CN 201610668726A CN 106284753 A CN106284753 A CN 106284753A
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CN
China
Prior art keywords
crossbeam
precast slab
concrete layer
steel construction
attachment
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Application number
CN201610668726.1A
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Chinese (zh)
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CN106284753B (en
Inventor
赵会军
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安徽鸿路钢结构(集团)股份有限公司
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Priority to CN201610668726.1A priority Critical patent/CN106284753B/en
Publication of CN106284753A publication Critical patent/CN106284753A/en
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Publication of CN106284753B publication Critical patent/CN106284753B/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/562Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • E04B2/60Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members

Abstract

The present invention relates to field, prefabricated dwelling house, attachment structure particularly to steel construction Yu precast slab, steel construction includes column and crossbeam, the end face of its middle cross beam is fixed on column, the beam body of crossbeam is partially disposed in the inside at precast slab, described precast slab includes bubble concrete layer and reinforced concrete floor, bubble concrete layer is filled in around crossbeam, reinforced concrete floor is wrapped in around bubble concrete layer and crossbeam, arranges elasticity transition layer between crossbeam and the reinforced concrete floor being disposed below.The most both can effectively ensure that girder steel deformation under work load effect was not retrained by its underpart body of wall, prevent from producing between crossbeam and precast slab crack simultaneously.Also have crossbeam and precast slab to be made of one structure, time assembled, it is only necessary to once lift, reduce hoisting difficulty, accelerate work efficiency.

Description

Steel construction and the attachment structure of precast slab

Technical field

The present invention relates to field, prefabricated dwelling house, particularly to the attachment structure of steel construction Yu precast slab.

Background technology

Assembled-type house (pin-connected panel house) refers to build house with industrialized production, i.e. the stair, outer in house Wall, balcony, air-conditioning plate etc. are all after the prefabrication of off-site, then transport building site " assembled " to.Wherein steel construction and prefabricated mixed The application of concrete board assembled-type house is relatively broad, and its concrete structure is that the column of steel, crossbeam are assembled into steel frame construction, prefabricated mixed Concrete board makes body of wall, then steel frame construction and precast slab body of wall are carried out rigid assembly.At present, precast slab is solid Being scheduled on column, crossbeam is bearing directly against on precast slab, owing to crossbeam and precast slab are two single parts, There is no between the two and be fastenedly connected.Use for a long time between rear cross beam and precast slab and crack, serious shadow easily occur Ring wall quality.

Summary of the invention

It is an object of the invention to provide one effectively prevents crack from occurring, the company of the high girder steel of quality and precast slab Access node structure.

For achieving the above object, present invention employs techniques below scheme: the company of a kind of steel construction and precast slab Access node structure, steel construction includes column and crossbeam, and the end face of its middle cross beam is fixed on column, and the beam body of crossbeam is partially disposed in advance The inside of concrete slab processed, described precast slab includes bubble concrete layer and reinforced concrete floor, foam concrete Layer is filled in around crossbeam, and reinforced concrete floor is wrapped in around bubble concrete layer and crossbeam, crossbeam and being positioned under it Between the reinforced concrete floor of side, elasticity transition layer is set.

Owing to using above technical scheme, the crossbeam of steel construction and precast slab are fabricated to integrative-structure, and foam mixes Solidifying soil layer can allow crossbeam to produce certain deformation, it is to avoid the load on crossbeam is directly delivered on precast slab, bullet Property transition zone can be with the load being delivered on buffering transverse beam on precast slab, it is achieved the weak company of crossbeam and precast slab Connect, avoid the load on crossbeam to be directly delivered on precast slab further.The most both can effectively ensure that girder steel existed Deformation under work load effect is not retrained by its underpart body of wall, prevents from producing between crossbeam and precast slab splitting simultaneously Seam.Bubble concrete layer and the double buffering of elasticity transition layer, can effectively prevent from producing between crossbeam and precast slab Crack, also reduces the requirement of strength to precast slab simultaneously.Also have crossbeam and precast slab to be made of one structure, spell During dress, it is only necessary to once lift, reduce hoisting difficulty, accelerate work efficiency.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the sectional view of crossbeam and precast slab;

Fig. 3 is the left sectional view of Fig. 1;

Fig. 4 is the partial enlarged drawing (removing the filling pattern of reinforced concrete floor) of Fig. 1.

Detailed description of the invention

A kind of steel construction and the attachment structure of precast slab, steel construction 10 includes column 11 and crossbeam 12, wherein horizontal The end face of beam 12 is fixed on column 11, and the beam body of crossbeam 12 is partially disposed in the inside at precast slab 20, and described is pre- Concrete slab 20 processed includes bubble concrete layer 21 and reinforced concrete floor 22, and bubble concrete layer 21 is filled in the week of crossbeam 12 Enclosing, reinforced concrete floor 22 is wrapped in bubble concrete layer 21 and crossbeam 12 around, crossbeam 12 and the reinforcing bar being disposed below Elasticity transition layer 30 is set between concrete layer 22.

Crossbeam 12 and the precast slab 20 of steel construction are fabricated to integrative-structure, and bubble concrete layer 21 can allow horizontal stroke Beam 12 produces certain deformation, and crossbeam 12 absorbs and undertakes a large amount of load, it is to avoid the load on crossbeam 12 is directly delivered to prefabricated On concrete slab 20, elasticity transition layer 30 can also be delivered to the load on precast slab 20 on buffering transverse beam 12, it is achieved Crossbeam 12 and the Weak link of precast slab 20, avoid the load on crossbeam 12 to be directly delivered to precast slab further On 20.Bubble concrete layer 21 and the double buffering of elasticity transition layer 30, can effectively prevent crossbeam 12 and precast slab Produce crack between 20, also reduce the requirement of strength to precast slab simultaneously.Crossbeam is also had to make with precast slab Integrative-structure, time assembled, it is only necessary to once lift, reduces hoisting difficulty, accelerates work efficiency.

Being provided with connector 40 on described crossbeam 12, one end of this connector 40 is fixed on crossbeam 12, and the other end waters Build the inside at reinforced concrete floor 22.Connector 40 is the equal of that one end hauls crossbeam 12, and the other end hauls armored concrete Layer 22, improves the connection reliability between crossbeam 12 and reinforced concrete floor 22.

Described reinforced concrete floor 22 includes armored concrete shell 221 and solid concrete layer 222, the most solid mixed Solidifying soil layer 222 is positioned at the lower section of crossbeam 12, and elasticity transition layer 30 is arranged between crossbeam 12 and solid concrete layer 222;Described The lower section of solid concrete layer 222 be provided with the second bubble concrete layer 23, described armored concrete shell 221 is wrapped in Bubble concrete layer 21, solid concrete layer 222 and the outside of the second bubble concrete layer 23.Change a kind of form of presentation, prefabricated It is mixed that concrete slab 20 includes bubble concrete layer 21, solid concrete layer 222 and the second foam being sequentially arranged from top to bottom Solidifying soil layer 23, and at the outer wrap armored concrete shell 221 of three layer concretes, armored concrete shell 221 is by reinforcing bar Skeleton 223 and concrete composition.Wherein solid concrete layer 222 and the thickness of the second bubble concrete layer 23 in the vertical direction Ratio is 1:8~12.Solid concrete layer 222 can meet the requirement of strength of precast slab, the second bubble concrete layer 23 Body of wall deadweight can be alleviated, thus reduce hoisting difficulty.

Described crossbeam 12 is I-steel, and its I-shaped end face is fixed on column 11, described bubble concrete layer In 21 vallecular cavities being placed in I-steel both sides.

The cross section of described connector 40 takes the shape of the letter U, and its notch is fixed on the work of crossbeam 12 towards crossbeam 12 and side cell wall On the lower wing plate of word steel, the opposite side cell wall of connector 40 is positioned at the inside of solid concrete layer 222.One side channel of connector 40 Wall is stuck in I-shaped lower wing plate and the junction of web of crossbeam 12, is the equal of to hang on crossbeam 12, then welds both Connecing fixing, the link stability of this structure is the highest.

The both sides of described crossbeam 12 are equipped with connector 40, and the connector 40 of its both sides is arranged symmetrically with.At crossbeam 12 The connector 40 that lateral symmetry is arranged so that crossbeam 12 uniform force, thus ensure that the deformation of crossbeam 12 is uniform.

Described connector 40 is bent, by thin bar part, the structure that takes the shape of the letter U, and described connector 40 is along the length side of crossbeam 12 Multiple to being interval with.Spaced connector 40 foot can ensure that and connects by force between crossbeam 12 and solid concrete layer 222 Degree, this structure is lightweight relative to all-in-one-piece connector 40, it is also possible to cost-effective.

The thickness of described elasticity transition layer 30 is 0.5~3cm.Described elasticity transition layer 30 is rock wool or the poly-ammonia that foams Ester.The preferred thickness of elasticity transition layer is 1cm.

Claims (10)

1. the attachment structure of a steel construction and precast slab, it is characterised in that: steel construction (10) include column (11) and Crossbeam (12), the end face of its middle cross beam (12) is fixed on column (11), and the beam body of crossbeam (12) is partially disposed at concrete The inside of soil plate (20), described precast slab (20) includes bubble concrete layer (21) and reinforced concrete floor (22), Bubble concrete layer (21) is filled in crossbeam (12) around, reinforced concrete floor (22) be wrapped in bubble concrete layer (21) and Crossbeam (12) around, arranges elasticity transition layer (30) between crossbeam (12) and the reinforced concrete floor (22) being disposed below.
Steel construction the most according to claim 1 and the attachment structure of precast slab, it is characterised in that: described crossbeam (12) being provided with connector (40) on, one end of this connector (40) is fixed on crossbeam (12), and the other end is cast in reinforcing bar and mixes The inside of solidifying soil layer (22).
Steel construction the most according to claim 2 and the attachment structure of precast slab, it is characterised in that: described reinforcing bar Concrete layer (22) includes armored concrete shell (221) and solid concrete layer (222), wherein solid concrete layer (222) Being positioned at the lower section of crossbeam (12), elasticity transition layer (30) is arranged between crossbeam (12) and solid concrete layer (222);Described The lower section of solid concrete layer (222) is provided with the second bubble concrete layer (23), described armored concrete shell (221) bag It is rolled in bubble concrete layer (21), solid concrete layer (222) and the outside of the second bubble concrete layer (23).
Steel construction the most according to claim 3 and the attachment structure of precast slab, it is characterised in that: described crossbeam (12) being I-steel, its I-shaped end face is fixed on column (11), and described bubble concrete layer (21) is placed in I-steel In the vallecular cavity of both sides.
Steel construction the most according to claim 4 and the attachment structure of precast slab, it is characterised in that: described connection The cross section of part (40) takes the shape of the letter U, and its notch is fixed on the lower wing plate of the I-steel of crossbeam (12) towards crossbeam (12) and side cell wall On, the opposite side cell wall of connector (40) is positioned at the inside of solid concrete layer (222).
Steel construction the most according to claim 5 and the attachment structure of precast slab, it is characterised in that: described crossbeam (12) both sides are equipped with connector (40), and the connector (40) of its both sides is arranged symmetrically with.
Steel construction the most according to claim 6 and the attachment structure of precast slab, it is characterised in that: described connection Part (40) is bent, by thin bar part, the structure that takes the shape of the letter U, and described connector (40) is interval with many along the length direction of crossbeam (12) Individual.
Steel construction the most according to claim 7 and the attachment structure of precast slab, it is characterised in that: described is solid The thickness of concrete layer (222) and the second bubble concrete layer (23) in the vertical direction ratio is for 1:8~12.
Steel construction the most according to claim 8 and the attachment structure of precast slab, it is characterised in that: described elasticity The thickness of transition zone (30) is 0.5~3cm.
Steel construction the most according to claim 9 and the attachment structure of precast slab, it is characterised in that: described bullet Property transition zone (30) is rock wool or polyurathamc.
CN201610668726.1A 2016-08-15 2016-08-15 The connection structure of steel construction and precast slab CN106284753B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610668726.1A CN106284753B (en) 2016-08-15 2016-08-15 The connection structure of steel construction and precast slab

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Application Number Priority Date Filing Date Title
CN201610668726.1A CN106284753B (en) 2016-08-15 2016-08-15 The connection structure of steel construction and precast slab

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CN106284753A true CN106284753A (en) 2017-01-04
CN106284753B CN106284753B (en) 2019-01-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102828568A (en) * 2012-08-31 2012-12-19 清华大学 Concrete shear wall with perpends
TW201311979A (en) * 2011-09-13 2013-03-16 Cooperative Construction Co Ltd Fight against the construction method of precast reinforced concrete columns
CN105332448A (en) * 2015-11-25 2016-02-17 沈阳建筑大学 Slidable profiled steel plate concrete constraint steel plate shear wall
CN105714958A (en) * 2016-03-02 2016-06-29 润铸建筑工程(上海)有限公司 Beam and wall integral outer wall board of prefabricated sectional steel beam
CN205421554U (en) * 2016-04-08 2016-08-03 安徽富煌钢构股份有限公司 Side fascia and girder steel connected node of steel construction house

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201311979A (en) * 2011-09-13 2013-03-16 Cooperative Construction Co Ltd Fight against the construction method of precast reinforced concrete columns
CN102828568A (en) * 2012-08-31 2012-12-19 清华大学 Concrete shear wall with perpends
CN105332448A (en) * 2015-11-25 2016-02-17 沈阳建筑大学 Slidable profiled steel plate concrete constraint steel plate shear wall
CN105714958A (en) * 2016-03-02 2016-06-29 润铸建筑工程(上海)有限公司 Beam and wall integral outer wall board of prefabricated sectional steel beam
CN205421554U (en) * 2016-04-08 2016-08-03 安徽富煌钢构股份有限公司 Side fascia and girder steel connected node of steel construction house

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