CN106149882A - A kind of lateral resisting and antigravity separate steel structure of housing system and construction method thereof - Google Patents

A kind of lateral resisting and antigravity separate steel structure of housing system and construction method thereof Download PDF

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Publication number
CN106149882A
CN106149882A CN201610721275.3A CN201610721275A CN106149882A CN 106149882 A CN106149882 A CN 106149882A CN 201610721275 A CN201610721275 A CN 201610721275A CN 106149882 A CN106149882 A CN 106149882A
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CN
China
Prior art keywords
steel
flange
antigravity
column
lateral resisting
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
CN201610721275.3A
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Chinese (zh)
Inventor
侯兆新
聂建国
龚超
陶慕轩
刘晓刚
郑云
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Central Research Institute of Building and Construction Co Ltd MCC Group
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Central Research Institute of Building and Construction Co Ltd MCC Group
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Application filed by Central Research Institute of Building and Construction Co Ltd MCC Group filed Critical Central Research Institute of Building and Construction Co Ltd MCC Group
Priority to CN201610721275.3A priority Critical patent/CN106149882A/en
Publication of CN106149882A publication Critical patent/CN106149882A/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
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • 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
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/326Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/083Honeycomb girders; Girders with apertured solid web
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/32Columns; Pillars; Struts of metal
    • 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
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2406Connection nodes

Abstract

The invention discloses a kind of lateral resisting and antigravity separate steel structure of housing system and construction method thereof;Lateral resisting and antigravity separate steel structure of housing system include steel frame construction and hollow building cover;Described steel frame construction is made up of steel column and girder steel;Described hollow building cover includes prefabricated panel, girt strip, filling box and cast-in-place concrete layer;Described girder steel is H type cross section;It is made up of top flange, web and lower flange;Described lower flange is wider than top flange.This lateral resisting steel structure of housing separate with antigravity system uses two-tube coupled column, assembled to be connected the version such as node, assembled hollow building cover, there is assemblingization degree height, the suitability good (indoor without post rib and Liang Tai), the anticorrosion fire prevention advantage such as cost saving, good, the moderate cost of anti-seismic performance, have a extensive future.

Description

A kind of lateral resisting and antigravity separate steel structure of housing system and construction method thereof
Technical field
The present invention relates to construction engineering technical field, particularly relate to a kind of lateral resisting and the separate steel structure of housing of antigravity System and construction method thereof.
Background technology
Along with the fast development of China's economic society, traditional architecture industry high pollution, high energy consumption, the development mould of high resource consumption Formula gradually runs into bottleneck, green building and building industrialization becomes the new trend of current building trade development.Steel building sky Raw have industrialization construction feature, is the optimum carrier of industrialized building.Popularization and application steel in the residential housing having a large capacity and a wide range Structure, development lateral resisting has important theory and practical significance with antigravity separate steel structure of housing system.
Lateral resisting directly applies mechanically many office towers, hospital, religion with antigravity separate steel structure of housing system is many at present Learn steel frame conventional in the building such as building, Steel frame-brace, Steel frame-shear wall structural system etc., lack and be suitable for house and build The proprietary lateral resisting built and antigravity separate steel structure of housing system.Compared with office building, hospital, teaching building etc., house Building function is more, it is desirable to the strictest.The most common lateral resisting steel structure of housing separate with antigravity system is universal There is problems in that (1) beam-to-column joint is main to be welded as, there is Site Welding amount big, speed of application is slow, and construction quality is difficult to protect The problems such as card.(2) steel column and girder steel size are relatively big, cause indoor to there is the problem of head beam dew post, the post rib being consequently formed and beam The indoor sight of platform impact and the use function of house.(3) steel structure fireproofing, antiseptic property are poor, and anticorrosion is prevented fires costly.(4) use Steel amount is big, and cost is higher, constrains the popularization of steel house.(5) industrialization degree is low, the component such as substantial amounts of floor, stair Still based on cast in situs.
Therefore, assemblingization degree height, the suitability good (indoor without post rib and Liang Tai), anticorrosion fire prevention cost saving, cost are sought Moderate lateral resisting and antigravity separate steel structure of housing system become those skilled in the art and need the technical barrier of solution badly.
Summary of the invention
It is an object of the invention to provide the lateral resisting that a kind of Standard degree is high, the suitability is good separate with antigravity Steel structure of housing system;Concrete technical scheme is:
A kind of lateral resisting and antigravity separate steel structure of housing system, including steel frame construction and hollow building cover;Described steelframe is tied Structure is made up of steel column and girder steel;Described hollow building cover includes prefabricated panel, girt strip, filling box and cast-in-place concrete layer;Described steel Beam is H type cross section;It is made up of top flange, web and lower flange;Described lower flange is wider than top flange.
Further, described lower flange 40 ~ 120mm wider than top flange.
Further, described web is provided with through hole, described through hole is provided with perforated rebar.
Further, described assembled hollow building cover upper surface is higher than described girder steel top flange 50 ~ 120mm or the most concordant.
Further, the steel column of described steel frame construction is two-tube coupled column, and described two-tube coupled column is arranged in being included in metope Two steel pipe column limbs, some groups of intercolumniation beam and column side brackets;Described intercolumniation beam is arranged between described steel pipe column limb, with steel pipe Post limb is welded to connect, with organizing described post side bracket beam with intercolumniation beam at same plane;It is provided with bolt on the bracket beam of described post side Installing hole.
Further, the edge of a wing of described intercolumniation beam and the edge of a wing Integral design of described post side bracket beam.
Further, steel column uses flange form splicing node;Described flange form splicing node includes flange post limb, node post limb And node area;Described node area is welded as a whole with described node post limb, and the end face of described node area is provided with and described flange The connection end plate that the flange of post limb lower end is adaptive, described flange is bolted to connection with the described end plate that is connected.
Further, the center of described flange offers circular hole.
The invention also discloses the construction method of above-mentioned lateral resisting and antigravity separate steel structure of housing system, including with Lower step:
1) in factory, two-tube coupled column and girder steel and connector are made;
2) at factory's colligation prefabricated panel reinforcing bar, casting concrete also carries out maintenance, completes described prefabricated panel 5 prefabricated;
3) make, in factory, the girder steel 2 that web is provided with the through hole of through web positive and negative;
4) two-tube coupled column is installed;Hoisting steel beam at the construction field (site), and be connected with the steel column of two-tube coupled column, form steelframe knot Structure;Connected mode is with bolts;
5) the most hoisting prefabricated base plate, is shelved on the lower flange of girder steel;
6) arrange, fix filling box, by perforated rebar through web through hole, be fixed in web through hole;
7) colligation cast-in-place concrete layer two-way concrete slab net;
8) pour cast-in-place concrete layer, complete lateral resisting and construct with antigravity separate steel structure of housing system.
A kind of lateral resisting of the present invention can use fabricated construction with antigravity separate steel structure of housing system, Girder steel supports the effect of precoated plate when can play construction, on-the-spot without formwork, speed of application is fast.Structure simple structure, girder steel Can be with Substitute For Partial hollow building cover slab strips on columns reinforcing bar, it is to avoid the difficult problem that slab strips on columns negative bending moment rib is connected with post.Therefore, above-mentioned Lateral resisting and antigravity separate steel structure of housing system and construction method thereof can apply to multi and tall steel building building, especially It is that there is in steel house preferable popularizing application prospect.
Accompanying drawing explanation
Fig. 1 is lateral resisting of the present invention and antigravity separate steel structure of housing architectural schematic;
Fig. 2 is lateral resisting of the present invention and antigravity separate steel structure of housing architectural schematic top view;
Fig. 3 is hollow floor structure schematic diagram;
Fig. 4 is lateral resisting of the present invention and antigravity separate steel structure of housing system partial structurtes schematic diagram;
Fig. 5 is edge composite column structure schematic diagram;
Fig. 6 is middle part composite column structure schematic diagram;
Fig. 7 is corner combinations rod structure schematic diagram;
Fig. 8 is steel beam structure schematic diagram;
Fig. 9 is steel beam structure schematic diagram;
Figure 10 is steel beam structure schematic diagram;
Figure 11 is steel column structure schematic diagram exploded view;
Figure 12 is prefabricated panel structural representation;
Figure 13 is post side bracket beam and girder steel connected mode structural representation.
In figure: 1, steel column;1-1, steel pipe column limb;1-1.1, upper prop limb pipe;1-1.2, lower prop limb pipe;1-1.3, flange;1- 1.4, node area;1-2, intercolumniation beam;1-3, post side bracket beam;2, girder steel;2-1, top flange;2-2, lower flange;2-3, web are logical Hole;2-4, peg;2-5, floor;2-6, web;2-7, reinforced hole;3, filling box;4, reinforcing bar;5, prefabricated panel;5-1, girt strip; 6, perforated rebar;7, support.
Detailed description of the invention
Below with embodiment, the present invention is more fully illustrated.The present invention can be presented as multiple multi-form, It is not construed as the exemplary embodiment being confined to describe here.
For ease of explanation, here can use such as " on ", the space relative terms such as D score " left " " right ", be used for Shown in bright figure a element or feature are relative to another element or the relation of feature.It should be understood that except in figure Outside the orientation illustrated, spatial terminology is intended to include device different azimuth in use or operation.Such as, if in figure Device is squeezed, be stated as being positioned at the element of other elements or feature D score will be located into other elements or feature " on ".Cause This, exemplary term D score can comprise upper and lower both orientation.Device can otherwise position (90-degree rotation or be positioned at Other orientation), relatively illustrate used herein of space correspondingly to explain.
As shown in Figures 1 to 4, the lateral resisting in the present embodiment and antigravity separate steel structure of housing system, including steelframe Structure and hollow building cover.Girder steel 2 is connected with steel column 1 by welding or bolt, forms steel frame construction.Hollow building cover includes the prefabricated end Plate 5, girt strip 5-1, filling box 3 and cast-in-place concrete layer;Support the effect of precoated plate when girder steel can play construction, on-the-spot without Formwork, speed of application is fast.Prefabricated panel 5 is laid at the bottom of the layer of building cover structure.
Girder steel 2 is H type cross section;It is made up of top flange 2-1, web 2-6 and lower flange 2-2;Lower flange 2-2 is than top flange 2- 1 is wide.Can make lower flange 2-2 than top flange 2-1 wide 40 ~ 120mm.Not only facilitate the lay-up operation of prefabricated panel 5, it is also possible to fall The weight of low girder steel, the weight making total is lighter.
When pouring cast-in-place concrete layer, the assembled hollow building cover upper surface after pouring is preferably higher than the top flange of girder steel 2 Upper surface 50 ~ the 120mm of 2-1, at least concordant with the upper surface of top flange 2-1.
Prefabricated panel 5 is prefabricated in the factory, and is made up of concrete, reinforcement and stirrup;Prefabricated panel 5 leaves on the downside of two ends Notch, notch height is that the lower flange 2-2 thickness of girder steel 2 adds 10 ~ 30mm;Depth of rebate is 20 ~ 60mm.
Girt strip 5-1 can also be set on prefabricated panel 5;Girt strip 5-1 is integral prefabricated with prefabricated panel 5 in factory, or Cast in situs forms;Being provided with reinforcing bar in prefabricated panel 5, two ends are provided with base plate cracking strip.
As shown in Figure 8, girder steel 2 is made up of top flange 2-1, lower flange 2-2 and web;The end face of top flange 2-1 is less than abdomen The tip height of plate 2-6;Web 2-6 top side is provided with the through hole reinforced hole 2-7 as reinforcing bar 4.It is provided with on web 2-6 Web through hole 2-3, web through hole 2-3 can be circular, it is also possible to be square, oval or other shapes.Cast-in-place concrete When layer pours, concrete can be linked together by web through hole 2-3.Girder steel 2 is also poured into cast-in-place concrete layer.
The tow sides welding floor 2-5 of web 2-6 can improve the intensity of girder steel 2, meanwhile, floor 2-5 and top flange The groove-like structure that 2-1 and lower flange 2-2 is constituted, improves the bonding strength of girder steel 2 and cast-in-place concrete layer.
It is provided with perforated rebar 6 in web through hole 2-3.By perforated rebar 6 in through web through hole 2-3, improve steel The cast-in-place concrete layer bonding strength of beam 2 both sides.The length of perforated rebar 6 is more than the twice of girder steel 2 lower flange 2-2 width.
Can also be as it is shown in figure 9, top flange 2-1 to be welded on the top of web 2-6;The end face of top flange 2-1 is welded with String peg 2-4.As shown in Figure 10 double-edged for web 2-6 floor 2-5 can also be replaced with channel-section steel, channel-section steel openings To parallel with the length direction of girder steel 2;It is embedded in cast-in-place concrete layer, improves the bonding strength of girder steel 2 and cast-in-place concrete layer.
As shown in figure 12, prefabricated panel 5 can also pour girt strip;Girt strip 5-1 is poured relative to scene when being prefabricated in the factory Pour girt strip 5-1 easy to process, it is simple to safeguard and ensure pouring quality.It is of course also possible to cast in situs girt strip 5-1.Girt strip 5-1 Can be yi word pattern or groined type, the shape such as latticed, concreting formed.In girt strip 5-1, it is provided with reinforcing bar make For stirrup, improve the intensity of girt strip 5-1.Filling box 3 is put into after-pouring prefabricated panel 5, site operation can be reduced further Workload, reduce cast in situs construction period, the reduction of erection time.
Cast-in-place concrete layer pours at the scene and forms, and is configured with bar-mat reinforcement in cast-in-place concrete layer;Bar-mat reinforcement is by two sides To perforated rebar 4 be staggered to form, referred to as two-way concrete slab net.In figure, steel grid is rectangle;Certainly, the shape of bar-mat reinforcement does not limits Reinforcing bar in Fig. 1-Fig. 4 is crisscross;Can also change the angle between perforated rebar 4 and form mesh is rhombus or parallel four The bar-mat reinforcement of other shapes such as limit shape.
The end face of filling box 3 is square or rectangle;It is arranged at above prefabricated panel 5, the grid that girt strip 5-1 is formed In.
In order to shorten the set-up time, steel column 1 uses flange form to assemble structure.Steel column A can be divided into multistage, by two sections of steel columns Connection end be respectively welded ring flange and connect node, by bolt, multistage steel column is fitted together, formed entirety.In order to carry High bonding strength, the thickness of ring flange is more than 1.5 times of the thickness connecting node flange plate.
Connecting on node, bracket beam is set in order to connect girder steel 2, simultaneously so that on steel column to assemble bolt close Superstructure, conveniently utilizes concrete to cover and connects node, it is to avoid getting rusty in junction affects bonding strength.
Lateral resisting in the present embodiment uses two-tube coupled column, two-tube combination with antigravity separate steel structure of housing system Two steel pipe column limbs, 1, one group of intercolumniation beam 1-2 and post side bracket beam 1-3 that post is arranged in being included in metope;Intercolumniation beam 1-2 is arranged Between steel pipe column limb, being welded to connect with steel pipe column limb, post side bracket beam 1-3 and intercolumniation beam 1-2 with organizing are at same plane;Institute State and be provided with bolt mounting holes on the bracket beam of post side.
As shown in Figure 6, when two-tube coupled column is arranged on building middle, there are 2 coupled columns side brackets with in the bracket beam of group post side Beam be arranged in parallel and stretches out described metope.
The steel tube section shape of steel pipe column limb 1 can be the forms such as circular, square, rectangle and polygon.
The steel pipe of steel pipe column limb 1 can be cold bending rectangle steel pipe or the welding rectangular steel pipe formed by Plate Welding.
In order to improve the intensity of steel pipe column limb 1, it is also possible to form steel core concrete column limb at steel pipe concrete filled.
Intercolumniation beam 1-2 can use H type cross section;Post side bracket beam 1-3 can also use H type cross section;Intercolumniation beam 1-2 and post Side bracket beam 1-3 all can use welded H section steel, hot rolled H-shaped or high frequency welding of H-structural steel.
When welding two-tube coupled column, can use and the edge of a wing of intercolumniation beam 1-2 is run through steel pipe column limb 1, steel pipe column limb 1 is at post Between beam the edge of a wing at disconnect technical scheme.1 stress of steel pipe column limb is based on pressure, after disconnection, and upper and lower two parts steel pipe profit Being connected with the edge of a wing of welding manner with intercolumniation beam, the impact on steel pipe column limb 1 bearing capacity is little, correspondingly, and the wing of intercolumniation beam Edge is by running through steel pipe column limb 1, and the cross section on the edge of a wing is not affected by steel tube section, can increase, and improves the anti-of intercolumniation beam Tensile strength;Thus improve the intensity of two-tube coupled column on the whole.
Edge of a wing Integral design by the edge of a wing of intercolumniation beam 1-2 Yu post side bracket beam 1-3;Be conducive to improving post side bracket beam 1- The intensity of 3.
Processing for convenience, two-tube coupled column should be in factory's segmental machining;Dual string list can be formed in units of layer Unit.If being that a dual string unit, working (machining) efficiency and site operation efficiency have and is greatly improved with 3 layers.The spelling of steel pipe column limb 1 The mode of connecing can use flange to splice, and splices at the scene;The splicing of utilization of hour welding manner can also be executed at the scene after segmentation.
When using the scheme of flange splicing, the stitching position of steel pipe column limb 1 could be arranged to splice at node region;Also may be used To be set to outside node region splicing.
Be connected by little bracket between post side bracket beam 1-3 and girder steel 2, i.e. the bottom of post side bracket beam 1-3 is stretched out, and is formed Supporting construction, the least bracket;Girder steel is overlapped on little bracket, and the axis of bolt is perpendicular to horizontal faying surface;Can also pass through Connecting plate connects.High strength exploitation preferably selected by connecting bolt.
As it is shown in fig. 7, the spacing of steel pipe column limb 1 can adjust as required;Can arrange between steel pipe column limb 1 triatic stay, Support, corrugated steel shear wall, steel plate shear force wall, combined steel plate shearing force wall etc..
After connection, by exterior wall and casting craft, two-tube coupled column and girder steel 2 are poured in metope and floor topping; Avoid the loosening and corrosion of bolt in attachment structure;Meanwhile, building interior, outside is also made to seem more attractive in appearance.
As shown in figure 11, the deck-molding scope inner prop in the present embodiment splices node with post flange form, including upper prop limb pipe 1- 1.1, lower prop limb pipe 1-1.2 and node area 1-1.4;The lower end of upper prop limb pipe 1-1.1 is welded with flange, node area 1-1.4 and lower prop Limb pipe 1-1.2 is welded as a whole, and the upper surface of node area 1-1.4 is provided with the flange 1-1.3 adaptation with upper prop limb pipe 1-1.1 Connecting end plate, flange 1-1.3 is bolted to connection with being connected end plate.Connecting bolt be high-strength bolt, plain bolt or One-way bolt.It is of course also possible to node area 1-1.4 and upper prop limb pipe 1-1.1 is welded as a whole as node post limb, by lower prop Limb pipe 1-1.2 upper end arranges flange 1-1.3 as flange post limb.
Post limb can be connected with girder steel 2 by post side bracket;Can be by connecting plate spiral shell between post side bracket and girder steel 2 Tether and connect.Can also be connected with bolt is fixing by the lapping ends of post side bracket beam 1-3 with girder steel 2.
Flange is steel plate, and thickness is not less than 10 millimeters, and the centre of flange 1-1.3 offers circular hole, and the diameter of circular hole is the least In 120mm, to facilitate casting concrete.In order to improve the intensity of flange 1-1.3, can in the bottom of upper prop limb pipe 1-1.1 and It is welded with ribbed stiffener between flange 1-1.3.
Upper prop limb pipe 1-1.1 mono-limb post in the present embodiment, it is also possible to be latticed column or many limbs post.In like manner, lower prop limb both may be used To be single limb post, it is also possible to be latticed column or many limbs post.
Node area 1-1.4 is made up of upper ring plate, lower ring plate and joint steel pipe;Upper ring plate and lower ring plate are respectively welded at connection On the upper and lower end face of steel pipe.Post side bracket web welds in factory with joint steel pipe, forms an entirety, advantageously ensures that welding Quality.The upper and lower flange plate of post side bracket web is used same steel plate with upper ring plate and lower ring plate respectively, does not use welding Connect, not only reduce welding sequence, also advantageously improve the bonding strength of bracket and node area 1-1.4.
Bracket top flange, post side can be less than the top flange 20 ~ 100mm of girder steel 2, in order to hide upper prop limb pipe 1-1.1 lower end Flange, connecting bolt and flange ribbed stiffener.
Node area 1-1.4 should be welded as a whole in factory with lower prop limb pipe 1-1.2.
Can also be by the steel-pipe welding of lower prop limb pipe 1-1.2 on lower ring plate, lower ring plate is as upper ring plate, and centre is arranged Having circular hole, the diameter of circular hole is less than the bore of joint steel pipe.The through joint steel pipe of lower ring plate so that lower ring plate can use bigger Cross section, thus improve the intensity of node area 1-1.4.In like manner, flange is corresponding with upper ring plate, and centre is provided with circular hole, circular hole Diameter less than the bore of joint steel pipe.
The steel tube section shape of upper prop limb pipe 1-1.1 or lower prop limb pipe 1-1.2 is not limited to square, it is also possible to as required Select the forms such as circular, rectangle and polygon.
Steel pipe is cold roll forming or welding fabrication.Also concrete filled steel tube can be formed by concrete filled in steel pipe.
Node area can be arranged as required to 1 to 4, or more multicolumn side bracket beam 1-3, and post side bracket beam 1-3 is H type Cross section, can be welded H section steel, hot rolled H-shaped or high frequency welding of H-structural steel.
Figure 13 gives the another kind of form connected between post side bracket beam 1-3 and girder steel 2.The abdomen of post side bracket beam 1-3 Plate bottom, than upper minister, web is provided with the ribbed stiffener of multi-jewel case structure.The connection end of crossbeam and post side bracket beam 1-3 web Adaptation, the top of its cantilever diaphragm, than lower minister, is provided with the ribbed stiffener of multi-jewel case structure on cantilever diaphragm.Post side bracket beam Ribbed stiffener corresponding on 1-3 and girder steel 2 is provided with bolt mounting holes, post side bracket beam 1-3 and girder steel 2 is connected by bolt. The cantilever diaphragm that girder steel 2 stretches out held by the web that post side bracket beam 1-3 stretches out, and the construction of this connected mode is more convenient.
Present invention also offers the construction method of above-mentioned lateral resisting and antigravity separate steel structure of housing system, including Following steps:
1) in factory, make two-tube coupled column and girder steel 2 and connector;
2) at factory's colligation prefabricated panel reinforcing bar, casting concrete also carries out maintenance, completes described prefabricated panel 5 prefabricated;
3) make, in factory, the girder steel 2 that web is provided with the through hole of through web positive and negative;
4) two-tube coupled column is installed;Hoisting steel beam 2 at the construction field (site), and be connected with the steel column 1 of two-tube coupled column, form steelframe knot Structure;Connected mode is with bolts;
5) the most hoisting prefabricated base plate 5, is shelved on the lower flange 2-2 of girder steel 2;
6) arrange, fix filling box 3, by perforated rebar 6 through web through hole 2-3, be fixed in web through hole 2-3;
7) colligation cast-in-place concrete layer two-way concrete slab net;
8) pour cast-in-place concrete layer, complete lateral resisting and construct with antigravity separate steel structure of housing system.
Under a kind of lateral resisting of the present invention has with antigravity separate steel structure of housing system and construction method thereof Row advantage:
(1) fabricated construction, girder steel supports the effect of precoated plate when can play construction, on-the-spot without formwork, speed of application is fast;
(2) superstructure is from heavy and light, and span ability is strong, it is possible to realize long-span floor system.
(3) structure simple structure, girder steel can be with Substitute For Partial hollow building cover slab strips on columns reinforcing bar, it is to avoid slab strips on columns is born curved The difficult problem that square muscle is connected with post.
(4) stress performance is good, and girder steel plays the effect of Punching Shear pin key, solves the difficulty that hollow building cover punch resistant capability is weak Topic, it is to avoid cap is set.
(5) easy to connect, girder steel and steel column can use the bolt-weld joint of routine or the mode that is articulated and connected, and connect simplicity.
(6) anti-seismic performance is good, is constructed by the shear connections arranged, it is possible to ensure the collaborative work of girder steel and cassette ceiling Making, the solid area intersected with cassette ceiling at girder steel is similar to the effect of the dark beam of steel reinforced concrete due to vertical muscle and stirrup restraint formation Really, good seismic performance.
Therefore, how high above-mentioned lateral resisting steel structure of housing separate with antigravity system and construction method thereof can apply to Layer steel building, especially has preferable popularizing application prospect in steel house.
The invention also discloses the construction method of above-mentioned two-tube coupled column, comprise the steps:
1) in factory, described two-tube coupled column and girder steel and connector are made, using three layers as a dual string unit;Certainly, Can also be using one layer or 2 layers as a dual string unit;
2) transport is to on-the-spot, or is weldingly connected by crab-bolt, high-strength bolt with basis or lower floor's post by dual string unit;
3) after the installation of dual string unit, the layering girder steel that is connected with dual string unit of lifting, girder steel is shelved on this layer right On the post side bracket beam answered, utilize high-strength bolt to connect girder steel and post side bracket beam, form steel frame construction;
4) after the connection of described steel frame construction is fixing, truss hoisting reinforcing bar superimposed sheet, to lay the line, muscle born by on-the-spot colligation flooring, enters Row floor concrete pours;Concreting is to the web height of post side bracket beam, and then overlying building coats is to girder steel upper limb More than edge 20 ~ 50mm;Girder steel is avoided to expose with two-tube coupled column splicing node by building coats;Or by concreting extremely Concordant with girder steel top flange, or exceed girder steel top flange 30 ~ 100mm;By concrete by girder steel and two-tube coupled column splicing joint Point is hidden in building cover structure completely, makes bolt and splice plate not expose.
5) lift light external wall plate from outside so that it is be embedded in framework that adjacent dual string and intercolumniation beam or girder steel formed it Between, and it is connected fixing with intercolumniation beam or girder steel, plaster to concordant with light external wall plate inner surface in dual string post limb indoor.Gently Matter Side fascia thickness is more than described dual string limb height 30 ~ 120mm, and described latticed column can be hidden and in exterior wall completely.
Present invention also offers a kind of deck-molding scope inner prop and splice node installation method with post flange form, comprise following step Rapid:
1) flange post limb and node post limb are processed respectively in factory;
2) node post limb or flange post limb as lower prop limb install in place after, lift upper prop limb, flange be connected end with node area Plate aligns;
3) connecting bolt screw rod direction is passed down through flange post limb and node area connects bolt mounting holes reserved on end plate;
4) on the downside of node area connection end plate, pad and nut it is installed and tightens;
5) truss bars superimposed sheet is shelved on girder steel lower flange;
6) laying the line, on-the-spot colligation flooring bears muscle, casting concrete.Concrete can pour to web height, and then overlying is built Build surface layer to more than girder steel top flange 20 ~ 50mm;Or by concreting to concordant with girder steel top flange, or exceed on girder steel The edge of a wing 30 ~ 100mm;Post is hidden in building cover structure completely with post splicing node, and bolt and splice plate do not expose.
Above-mentioned example is only intended to illustrate the present invention, in addition, the most multiple different embodiment, and these are implemented Mode be all those skilled in the art after comprehension inventive concept it is also envisioned that therefore, will not enumerate at this.

Claims (9)

1. lateral resisting and an antigravity separate steel structure of housing system, including steel frame construction and hollow building cover;Described steelframe Structure is made up of steel column and girder steel;It is characterized in that, described hollow building cover includes prefabricated panel, girt strip, filling box and cast-in-place mixed Solidifying soil layer;Described girder steel is H type cross section;It is made up of top flange, web and lower flange;Described lower flange is wider than top flange.
2. lateral resisting as claimed in claim 1 and antigravity separate steel structure of housing system, it is characterised in that described bottom wing Edge 40 ~ 120mm wider than top flange.
3. lateral resisting as claimed in claim 1 and antigravity separate steel structure of housing system, it is characterised in that described web On be provided with through hole, described through hole is provided with perforated rebar.
4. lateral resisting as claimed in claim 1 and antigravity separate steel structure of housing system, it is characterised in that described assembling Formula hollow building cover upper surface is higher than described girder steel top flange 50 ~ 120mm or the most concordant.
5. lateral resisting as claimed in claim 1 and antigravity separate steel structure of housing system, it is characterised in that described steelframe The steel column of structure is two-tube coupled column, two steel pipe column limbs that described two-tube coupled column is arranged in being included in metope, some groups of posts Between beam and column side bracket;Described intercolumniation beam is arranged between described steel pipe column limb, is welded to connect with steel pipe column limb, with organizing described post Side bracket beam and intercolumniation beam are at same plane;It is provided with bolt mounting holes on the bracket beam of described post side.
6. lateral resisting as claimed in claim 5 and antigravity separate steel structure of housing system, it is characterised in that described intercolumniation The edge of a wing of beam and the edge of a wing Integral design of described post side bracket beam.
7. lateral resisting as claimed in claim 1 and antigravity separate steel structure of housing system, it is characterised in that steel column uses Flange form splicing node;Described flange form splicing node includes flange post limb, node post limb and node area;Described node area and institute Stating node post limb to be welded as a whole, the end face of described node area is provided with the connection that the flange with described flange post limb lower end is adaptive End plate, described flange is bolted to connection with the described end plate that is connected.
8. lateral resisting as claimed in claim 7 and antigravity separate steel structure of housing system, it is characterised in that described flange Center offer circular hole.
9. the lateral resisting as described in any one of claim 1 to 8 and the construction method of antigravity separate steel structure of housing system, It is characterized in that, comprise the following steps:
1) in factory, two-tube coupled column and girder steel and connector are made;
2) at factory's colligation prefabricated panel reinforcing bar, casting concrete also carries out maintenance, completes described prefabricated panel 5 prefabricated;
3) make, in factory, the girder steel 2 that web is provided with the through hole of through web positive and negative;
4) two-tube coupled column is installed;Hoisting steel beam at the construction field (site), and be connected with the steel column of two-tube coupled column, form steelframe knot Structure;Connected mode is with bolts;
5) the most hoisting prefabricated base plate, is shelved on the lower flange of girder steel;
6) arrange, fix filling box, by perforated rebar through web through hole, be fixed in web through hole;
7) colligation cast-in-place concrete layer two-way concrete slab net;
8) pour cast-in-place concrete layer, complete lateral resisting and construct with antigravity separate steel structure of housing system.
CN201610721275.3A 2016-08-25 2016-08-25 A kind of lateral resisting and antigravity separate steel structure of housing system and construction method thereof Pending CN106149882A (en)

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CN108104273A (en) * 2017-12-21 2018-06-01 青岛理工大学 Assembled self- recoverage concrete filled steel tube combined joint and installation method and structural system
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CN110396919A (en) * 2019-07-27 2019-11-01 蓝海绿业生态建设股份有限公司 A kind of assembling type steel structure-concrete composite bridge and its construction method
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CN108104273B (en) * 2017-12-21 2019-02-05 青岛理工大学 Assembled self- recoverage concrete filled steel tube combined joint and installation method and structural system
CN110158859A (en) * 2019-06-11 2019-08-23 廖永红 A kind of profile screw rod combined reinforced bar engineering construction process
CN110396919A (en) * 2019-07-27 2019-11-01 蓝海绿业生态建设股份有限公司 A kind of assembling type steel structure-concrete composite bridge and its construction method
CN111411736A (en) * 2020-03-27 2020-07-14 王升 Steel structure beam
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