CN106638982A - Method for connecting steel beams and laminated slabs - Google Patents

Method for connecting steel beams and laminated slabs Download PDF

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Publication number
CN106638982A
CN106638982A CN201611074974.XA CN201611074974A CN106638982A CN 106638982 A CN106638982 A CN 106638982A CN 201611074974 A CN201611074974 A CN 201611074974A CN 106638982 A CN106638982 A CN 106638982A
Authority
CN
China
Prior art keywords
steel
web plate
concrete
superimposed sheet
laminated
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.)
Pending
Application number
CN201611074974.XA
Other languages
Chinese (zh)
Inventor
李素强
莫绍杰
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.)
China 22MCC Group Corp Ltd
Central Research Institute of Building and Construction Co Ltd MCC Group
Original Assignee
China 22MCC Group Corp Ltd
Central Research Institute of Building and Construction Co Ltd MCC Group
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 China 22MCC Group Corp Ltd, Central Research Institute of Building and Construction Co Ltd MCC Group filed Critical China 22MCC Group Corp Ltd
Priority to CN201611074974.XA priority Critical patent/CN106638982A/en
Publication of CN106638982A publication Critical patent/CN106638982A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/40Separate connecting elements
    • E04B1/41Connecting devices specially adapted for embedding in concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/40Separate connecting elements
    • E04B1/41Connecting devices specially adapted for embedding in concrete
    • E04B2001/4192Connecting devices specially adapted for embedding in concrete attached to concrete reinforcing elements, e.g. rods or wires

Abstract

The invention relates to a method for connecting steel beams and laminated slabs comprising following steps: circular holes are opened in a steel beam web plate; prefabricated laminated hollow floor plates are set up on the upper surface of the lower flange girth of the steel beam; laminated slab steel bars are laid on the upper part of the prefabricated layer of the prefabricated laminated hollow floor plates in the horizontal direction; the end parts of the laminated slab steel bars pass through the circular holes opened in the steel beam web plate; concrete is poured on the upper surface of the prefabricated laminated hollow floor plates so that the steel beam is integrated with the prefabricated laminated hollow floor plates. By means of the method for connecting steel beams and laminated slabs, original studs, shearing studs and steel shear key are saved on the premise that the consumption amount of steel is not increased; by means of the original twice concrete layer which is necessarily poured, reinforced concrete shearing falcons with shearing resistance are provided at two sides of the steel beam web plate; the rigid connection among different connecting materials is achieved and the structural design requirements are met; construction efficiency is increased and engineering cost is reduced.

Description

Girder steel and superimposed sheet method of attachment
Technical field
The present invention relates to a kind of construction techniques, is to be related to a kind of girder steel and superimposed sheet method of attachment specifically.
Background technology
With " energy-saving and emission-reduction " policy that China puts into effect, house is emphasis, and particularly assembling type steel structure house brings very Big development space, in numerous residential housings, assembling type steel structure house optimum factorial praluction will be designed, produces, applied Work, install integration, change traditional " be built on-site " being " factory manufacture ".Assembling type steel structure house, from heavy and light, cost It is low, install simple, speed of application is fast, and construction pollution environment is few, and anti-seismic performance is good, recoverable, economic and environment-friendly etc. to meet state Family propose " green building " and requirement.
It is in assembled-type house structure to adopt different combinations of materials together more, to reach stiff assembly after storeroom combination The effect of connection, at the surface layer that girder steel and concrete are contacted, therefore in order to solve this problem, a kind of traditional way is:Using Composite floor formula structure, girder steel upper surface laying steel contour plate or steel bar truss floor support plate, with penetrating peg contour plate and steel Beam links together, and concrete is poured on contour plate, and being rigidly connected between such concrete contour plate and girder steel is good by shear stud They are combined together.Another kind of method is:It is to save Steel material in the form of concrete superimposed sheet, increases space in room Effect, concrete superimposed sheet need to be overlapped on above the bottom wing listrium of girder steel, be to reach between the web for solving the secondary concrete for pouring and girder steel To the common effect that is rigidly connected, non-penetrative peg and X-HVB WELDING STUDSs are generally set up on steel beam web plate, or in girder steel On web equidistantly the shear key of welding shape ensureing that it is rigidly connected that the secondary concrete layer for pouring and girder steel collective effect reach Effect.These traditional ways, adds additional the steel using amount of assembled-type house, and peg and shear key, apply in work progress Work quality requirement is higher, virtually increased human and material resources and financial resources, causes the lifting and increase of construction cost.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of simple structure, easy to operate, improves construction speed Degree, reduces girder steel and the superimposed sheet method of attachment of construction cost.
The technical solution used in the present invention is:
A kind of girder steel and superimposed sheet method of attachment,
Circular hole is opened up on steel beam web plate;
Prefabricated sandwich hollow slab is set up in the upper surface of the lower flange of girder steel;
Superimposed sheet reinforcing bar is laid in the horizontal direction on the top of the preformed layer of prefabricated sandwich hollow slab;
Stretch out from prefabricated sandwich hollow slab end the end of superimposed sheet reinforcing bar;
The circular hole that the end of superimposed sheet reinforcing bar opens up through on steel beam web plate;
Prefabricated sandwich hollow slab is with girder steel using cast-in-place;
In prefabricated sandwich hollow slab upper surface casting concrete, girder steel forms entirety with prefabricated sandwich hollow slab;
Using opening up circular hole on steel beam web plate so that the secondary LIFT of the superimposed sheet of steel beam web plate both sides is integrally formed;
The web both sides of girder steel form concrete falcon.
The Circularhole diameter is 36 millimeters.
A diameter of 14-16 millimeters of the superimposed sheet reinforcing bar through circular hole.
The beneficial effect of hinge structure of the present invention:
Girder steel of the present invention has following advantage with superimposed sheet method of attachment with the existing way for setting up peg and shear key:
One:On the basis of steel using amount is not increased, the shear key of original peg, WELDING STUDS and steel is eliminated, using original The secondary concrete placings layer for pouring is had to, the steel reinforced concrete shearing force falcon done with shearing resistance is formed in steel beam web plate both sides, fully The advantage that the reinforcing bar for utilizing and concrete are combined solves being rigidly connected between different connecting materials and meets Structural Design Requirement, saves About engineering cost.
It two:Existing conventional bit need to be only utilized in processing factory, you can processing, machining accuracy is big, operation letter It is single, the cooked mode of streamline is easily formed, quality is easily guaranteed that and controls.
It three:The circular hole opened up on original steel beam web plate is taken full advantage of, and causes borehole enlargement to 36mm, met Steel beam web plate section loss late is less than the requirement of web area 25%, if it exceeds this requires to need to increase in steel beam web plate to mend Strong steel plate, therefore according to the girder steel height of structure design, the aperture on steel beam web plate suitably can flexibly adjust, to greatest extent Advantage using steel construction in total, meets to improve assembling type steel structure house " batch production manufacture rate " will Ask.
Description of the drawings
Fig. 1 is the structural representation of girder steel of the present invention and superimposed sheet method of attachment;
Fig. 2 is the web partial schematic diagram of girder steel of the present invention and superimposed sheet method of attachment.
Critical piece symbol description in accompanying drawing:
In figure:
1st, steel beam web plate 2, circular hole
3rd, lower flange 4, prefabricated sandwich hollow slab
5th, preformed layer 6, superimposed sheet reinforcing bar
7th, prefabricated panel 8, cast-in-place concrete.
Specific embodiment
Referring to the drawings and embodiment the present invention will be described in detail:
Accompanying drawing 1-2 understands, a kind of girder steel and superimposed sheet method of attachment,
Circular hole 2 is opened up on steel beam web plate 1;
Prefabricated sandwich hollow slab 4 is set up in the upper surface of the lower flange 3 of girder steel;
Superimposed sheet reinforcing bar 6 is laid in the horizontal direction on the top of the preformed layer 5 of prefabricated sandwich hollow slab 4;
Stretch out from the end of prefabricated sandwich hollow slab 4 end of superimposed sheet reinforcing bar 6;
The circular hole 2 that the end of superimposed sheet reinforcing bar 6 opens up through on steel beam web plate;
Prefabricated sandwich hollow slab is with girder steel using cast-in-place;
In prefabricated sandwich hollow slab upper surface casting concrete, girder steel forms entirety with prefabricated sandwich hollow slab;
Using opening up circular hole on steel beam web plate so that the secondary LIFT of the superimposed sheet of steel beam web plate both sides is integrally formed;
The web both sides of girder steel form concrete falcon.
The effect of shearing resistance is served, makes the connection between different materials form rigid being reliably connected.
The Circularhole diameter is 36 millimeters.
A diameter of 14-16 millimeters of the superimposed sheet reinforcing bar through circular hole
In the web that the grid beam and secondary beam of the Beam-post Frame Structure system of assembling type steel structure house are contacted with the secondary LIFT of concrete Place, according to secondary the reinforcing bar arrangement principle of horizontal vertical and horizontal in concrete, and the guarantee difference connector increased herein are poured Cooperation and increased reinforcing steel tie, this steel tie is also what is must be provided with when having peg and shear key, is passed through The secondary LIFT of concrete on steel beam web plate and opposite, the integral concrete surface layer of shape, according to the row of steel tie on the web of girder steel Cloth spacing, opens up the circular hole of diameter 36.
Traditional lacing hole had both met the requirement that reinforcing bar is worn at scene, drawknot steel according to the big 6mm of standard aperture ratio bar diameter Muscle diameter is usually no more than diameter 14, and the diameter for needing the perforate on steel beam web plate is less than 20mm.
Steel tie carries out pouring for secondary concrete through after steel beam web plate during construction, and so concrete in steel beam web plate both sides leads to The circular hole crossed at steel beam web plate causes to form one by one a diameter of 36 concrete falcon in steel beam web plate both sides, so as to solve two Side concrete energy collective effect connects into one and is rigidly connected.Meet the requirement of structure design.
There is following advantage with the existing way for setting up peg and shear key:
One:On the basis of steel using amount is not increased, the shear key of original peg, WELDING STUDS and steel is eliminated, using original The secondary concrete placings layer for pouring is had to, the steel reinforced concrete shearing force falcon done with shearing resistance is formed in steel beam web plate both sides, fully The advantage that the reinforcing bar for utilizing and concrete are combined solves being rigidly connected between different connecting materials and meets Structural Design Requirement, saves About engineering cost.
It two:Existing conventional bit need to be only utilized in processing factory, you can processing, machining accuracy is big, operation letter It is single, the cooked mode of streamline is easily formed, quality is easily guaranteed that and controls.
It three:The circular hole opened up on original steel beam web plate is taken full advantage of, and causes borehole enlargement to 36mm, met Steel beam web plate section loss late is less than the requirement of web area 25%, if it exceeds this requires to need to increase in steel beam web plate to mend Strong steel plate, therefore according to the girder steel height of structure design, the aperture on steel beam web plate suitably can flexibly adjust, to greatest extent Advantage using steel construction in total, meets to improve assembling type steel structure house " batch production manufacture rate " will Ask.
The above, is only presently preferred embodiments of the present invention, not makees any pro forma to the structure of the present invention Limit.Any simple modification, equivalent variations and modification that every technical spirit according to the present invention is made to above example, Belong in the range of technical scheme.

Claims (3)

1. a kind of girder steel and superimposed sheet method of attachment, it is characterised in that
Circular hole is opened up on steel beam web plate;
Prefabricated sandwich hollow slab is set up in the upper surface of the lower flange of girder steel;
Superimposed sheet reinforcing bar is laid in the horizontal direction on the top of the preformed layer of prefabricated sandwich hollow slab;
Stretch out from prefabricated sandwich hollow slab end the end of superimposed sheet reinforcing bar;
The circular hole that the end of superimposed sheet reinforcing bar opens up through on steel beam web plate;
Prefabricated sandwich hollow slab is with girder steel using cast-in-place;
In prefabricated sandwich hollow slab upper surface casting concrete, girder steel forms entirety with prefabricated sandwich hollow slab;
Using opening up circular hole on steel beam web plate so that the secondary LIFT of the superimposed sheet of steel beam web plate both sides is integrally formed;
The web both sides of girder steel form concrete falcon.
2. girder steel and superimposed sheet method of attachment according to claim 1, it is characterised in that:The Circularhole diameter is 36 millimeters.
3. girder steel and superimposed sheet method of attachment according to claim 1, it is characterised in that:The overlapping slab through circular hole A diameter of 14-16 millimeters of muscle.
CN201611074974.XA 2016-11-30 2016-11-30 Method for connecting steel beams and laminated slabs Pending CN106638982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611074974.XA CN106638982A (en) 2016-11-30 2016-11-30 Method for connecting steel beams and laminated slabs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611074974.XA CN106638982A (en) 2016-11-30 2016-11-30 Method for connecting steel beams and laminated slabs

Publications (1)

Publication Number Publication Date
CN106638982A true CN106638982A (en) 2017-05-10

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CN201611074974.XA Pending CN106638982A (en) 2016-11-30 2016-11-30 Method for connecting steel beams and laminated slabs

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107700667A (en) * 2017-09-26 2018-02-16 中南大学 A kind of precast floor slab and girder steel lower flange connecting node

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090277123A1 (en) * 2008-05-07 2009-11-12 Marco Guazzo Connector for the connection between a metal element and an element made of concrete
CN104532997A (en) * 2014-12-26 2015-04-22 宝钢建筑系统集成有限公司 Assembly type floor system and construction method thereof
CN105297978A (en) * 2015-11-18 2016-02-03 湖南大学 Prefabricated assembled type steel-concrete combined beam connected through bolt nails
CN205259417U (en) * 2015-12-17 2016-05-25 山东科技大学 Novel connection structure of steel construction house floor and girder steel
CN106088434A (en) * 2016-08-25 2016-11-09 中冶建筑研究总院有限公司 A kind of assembling type steel structure overlapped hollow floor system and construction method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090277123A1 (en) * 2008-05-07 2009-11-12 Marco Guazzo Connector for the connection between a metal element and an element made of concrete
CN104532997A (en) * 2014-12-26 2015-04-22 宝钢建筑系统集成有限公司 Assembly type floor system and construction method thereof
CN105297978A (en) * 2015-11-18 2016-02-03 湖南大学 Prefabricated assembled type steel-concrete combined beam connected through bolt nails
CN205259417U (en) * 2015-12-17 2016-05-25 山东科技大学 Novel connection structure of steel construction house floor and girder steel
CN106088434A (en) * 2016-08-25 2016-11-09 中冶建筑研究总院有限公司 A kind of assembling type steel structure overlapped hollow floor system and construction method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
曹平周等: "《钢结构》", 30 June 2015 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107700667A (en) * 2017-09-26 2018-02-16 中南大学 A kind of precast floor slab and girder steel lower flange connecting node

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Application publication date: 20170510