CN107882237A - A kind of large span assembled architecture of composite frame structure - Google Patents
A kind of large span assembled architecture of composite frame structure Download PDFInfo
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- CN107882237A CN107882237A CN201710953554.7A CN201710953554A CN107882237A CN 107882237 A CN107882237 A CN 107882237A CN 201710953554 A CN201710953554 A CN 201710953554A CN 107882237 A CN107882237 A CN 107882237A
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- China
- Prior art keywords
- prefabricated
- cavity
- bar
- frame structure
- steel bar
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
- E04B5/046—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement with beams placed with distance from another
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2484—Details of floor panels or slabs
Abstract
The present invention provides a kind of large span assembled architecture of composite frame structure, includes prefabricated post, prefabricated convex girder, cavity board member, longitudinal combination girt strip, regeneration cross rib reinforcing bar, combinated seam；It is characterized in that prefabricated post both ends reserved steel bar；The prefabricated convex girder both ends reserved steel bar；The reserved steel bar string is crossed prefabricated post both ends reserved steel bar and connected in the bearing to be formed, and forms reinforced concrete composite frame structure；The cavity board member is made up of longitudinal bar concrete girt strip, cross reinforcement concrete girt strip, cavity body, bottom wing listrium；The cavity board member is arranged on the edge of prefabricated convex girder；The non-through floor of cavity plate component groups joint close, its combinated seam depth≤50mm.
Description
Technical field
The present invention relates to a kind of assembled architecture systems technology, and in particular to a kind of large span assembling of composite frame structure
Formula Building technology.
Background technology
In order to adjust construction industry structure, construction quality is improved, Accelerating The Construction speed, realizes energy-conserving and environment-protective, reduces engineering
Cost, country's proposition widely popularize assembled architecture, specify that specific implementation plan；And require in reinforced concrete frame knot
Extensive use in structure, reinforced concrete frame shear wall structure, steel construction and steel-concrete combined structure system, it specify that China fills
With formula architectural structure system and application field；But the assembled architecture floor ground zero of large span horizontal structure, and use
Be common laminated floor slab, technological system end, which is established, causes cost high, earth-free gas, constrains assembled architecture industry development.
ZL200410082381.9 " a kind of hollow floor slab with small dense ribs " and ZL200820126232.1 such as inventor is " a kind of
Cast-in-situ section steel concrete cavity building roof ", hollow filling body are embedded in formation " T fonts " stress cross-section hollow layer in cast-in-situ floor, solution
Determined large span, large space, big load the problem of.In order that girt strip reinforcing bar forms continuous slab by steel I-beam web in length and breadth
The cast-in-situ hollow floor plate of band, the hole reserved in steel I-beam web is too many and aperture is too small, processing trouble；Meanwhile cement is empty
The heart obturator setting and hardening time is grown, and mould utilization factor is low, the big matter weight of hollow filling volume density, production and transport inconvenience and obturator
The defects of globality poor cracky.
To realize industrialized production, inventor applies for that ZL201310332173.9 " use by a kind of cast-in-situ hollow building roof pore-forming again
Netted box component " and ZL201510331724.X " a kind of Novel steel-mixed combination cast-in-situ hollow building roof ", to cast-in-place hollow building
Lid technology carries out General Promotion, realizes transition and upgrade, updates and significantly reduce the deadweight of cavity building roof, adds certainly
Thermal and insulating performance, safety of structure is strong, solves the problems, such as to realize that large span, large space, the hollow floor of big load are present；
Inventor constantly lifts oneself cast-in-situ hollow building roof background technology, is established for assembled architecture large span, the horizontal structure without bright beam
The basis of hard stone is determined；Although solving the problems, such as into pole industrialized production, all it is that cast-in-site is built with assembled
Build generation contradiction.
Again in order to promote China's housing industrialization development, the ZL201620408935.8 of inventor's application " build by passive type
Energy saving integrated system " and ZL201620409015.8 " one kind exempts from the prefabricated assembled cavity plate of formwork " are cast-in-place concrete hollow
Superstructure, assembled architecture field is expanded to by creating transition, solve assembled arthitecutral structure globality poor, large span without bright
The problems such as beam, component super large, component industrialization, construction quality controllability, work efficiency and environmental protection；These inventions, although being me
State's Process of Housing Industrialization has tamped basis, but also exist the prefabricated assembled cavity plate member stress of long strip type one-way,
The connection space limitation of the crackle in gap, bidirectional stress cavity floor transverse direction reinforcing bar during two pieces of prefabricated assembled cavity plate splits
The problems such as.
Currently, since assembled architecture also has many Ji arts Wen Ti No to have solution, cause construction cost high, popularization is obstructed；
In order to promote building science and technology progress, use is multi-functional, economy, scientific and technological content, energy-conserving and environment-protective and the market demand are big, safety
Coefficient is high, cost is low, meets the architectural structure system of national industrial policies and industrial development direction again.Therefore, inventor exists again
On the basis of existing background technology of controlling oneself, by being applied in assembled arthitecutral structure for cast-in-situ hollow building roof technology creation, shape
Into new assembled cassette ceiling structural system and the combination assembled building floor structural system of steel reinforced concrete；By cast-in-place cavity building
Lid Technology Difficulties problem solves in batch production, and sizing produces prefabricated post, precast beam, cavity board member, other prefabricated structures
Part, steel structure member, floor construction pour top flange plate and combination girt strip or prestressed mode solution after being integrally forced through scene
Certainly, the prefabricated assembled prefabricated components of factorial praluction are combined with steel structure member.And in order to promote China's house
Industrialization develop in a healthy way, recently, inventor oneself production base participate in by Tongji University, civil construction institute of Central South University,
Largest " steel construction cavity floor full scale test of the assembled large span without secondary beam " of national Tianjin fire research hosting,
" assembled large span is without bright joist steel tendon concrete structure full scale test ", " being tested using the fire control smoke exhausting of assembled cavity floor "
To examine inventor's prior art innovative, advanced, reasonability and security；Experiment is added using the multispan load of continuous slab band
Full scale test and Assembled Building plate ultimate load loading full scale test are pressed, the specific data of ultimate load load test are done nothings
Beam assembled experimental model span 8.4m, surrounding are encorbelmented 1.6m, length of side 11.6m, compression area 134.56m2, use dynamic load
2KN, actual loaded load 22KN；Limit crack national standard is 1.5mm, and actual crack only has 0.5mm；By national standard calculating limit amount of deflection
For 168mm, actural deflection 39mm；By verification experimental verification assembled architecture reinforced concrete structure without bright beam or steel construction without
The security of the structure of secondary beam；Single load bearing floor member is changed into bidirectional stress floor, by monolithic freely-supported building by verification experimental verification
Board member is changed into the floor construction of continuous slab band；Thoroughly solves large span floor component bonding crack cracking, fire prevention, sound insulation, normal
The problems such as year maintenance, assembly technology, assembled architecture cost particularly have dropped 20%；Logical structure full scale test, for assembling
Further practical basis has been tamped in innovation to formula building；But experiment disclose the distribution of assembled arthitecutral structure internal force become rule,
Also in the case where ensuring the preceding topic of assembled arthitecutral structure safety requirements, space that assembled architecture technology also much optimizes.Grind
The large span assembled architecture for sending out composite frame structure a kind of, solves structure level direction floor globality, fire prevention, more work(
The problems such as energy, joint close crackle；It is the important breakthrough for realizing assembled arthitecutral structure system new technology, has become assembled and build
Build the urgent need of technical field innovation.
The content of the invention
It is an object of the invention to play the advantage of innovation assembled architecture technology, the shortcomings that overcoming prior art；Work
The prefabricated components such as the prefabricated post of factory metaplasia production, prefabricated convex girder, prefabricated hollow board member, wallboard, by being poured after assembled in situ
Concrete technology combines, and improves the entirety of building structure；Country advocates prefabricated rate and reaches 40% a few days ago, will use combo box
Prefabricated rate reaches capacity 75% after frame structure state-of-the-art technology；Cap is formed on the periphery of two pieces prefabricated post junction, increases anti-impact
The ability cut and sheared；The connection for being formed as cross rib beam steel of combination girt strip dead slot provides space, and it is horizontal to generate regeneration
Girt strip, the one-way of member stress is changed into bidirectional stress；The space of longitudinal combination girt strip is provided for longitudinal stress, is solved
Simply supported slab is changed into continuous slab band；Longitudinal combination girt strip is applied with bonding crack, and thoroughly solves cavity plate Component composition and splits
The reproduction of line；A kind of large span assembled architecture of composite frame structure, save layer shared by existing assembled laminated floor slab technology
Benefit caused by high spatial, it is rational in infrastructure, reach the existing assembled arthitecutral structure technical system of optimization, overcome existing structure skill
A series of defects existing for art.
Technical scheme is as follows, a kind of large span assembled architecture of composite frame structure, comprising prefabricated post, in advance
Convex girder processed, cavity board member, longitudinal combination girt strip, regeneration cross rib reinforcing bar, combinated seam；It is characterized in that the prefabricated post both ends
Reserved steel bar；The prefabricated convex girder both ends reserved steel bar；The reserved steel bar string crosses the reserved steel bar connection of prefabricated post both ends
In the bearing of formation, reinforced concrete composite frame structure is formed；The cavity board member is by longitudinal bar concrete girt strip, cross reinforcement concrete rib
Beam, cavity body, bottom wing listrium composition；The cavity board member is arranged on the edge of prefabricated convex girder；The cavity board member
The non-through floor of combinated seam, its combinated seam depth≤50mm.
The prefabricated post upper end steel bar stress termination is attached with prefabricated post lower end steel bar stress termination to be connected, will
Prefabricated post raises；Every prefabricated post connection wicking height is building floor height；The connected mode is mechanical connection or slip casting
Connection；Every prefabricated post reserved steel bar is connected as dislocation connection.
The main depth of beam of the prefabricated convexs of reinforcing bar length ＞ stayed after steel bar end connection, at prefabricated post reserved steel bar end
After head connection in the reinforcing bar length space that is formed, prefabricated convex girder reserved steel bar is sealed in, to the reinforcing bar length position pour concrete,
Form group frame.
The prefabricated post sets solid cap with prefabricated convex girder binding site；The area of the solid cap >=
1.0mm2。
The prefabricated convex beam two ends have reserved steel bar；The reserved steel bar is spiral or deformed bar.
There are deformed bar or the adjacent both sides Cavity structural member longitudinal direction of the prefabricated convex girder of connection in the prefabricated convex girder
Combine the hole of girt strip reinforcing bar；There is reinforcing steel bars exposed the prefabricated convex girder upper surface；The prefabricated convex girder is hollow beam.
Cavity body in the cavity board member, is engraved or prefabricated hollow or plastics cavity or foam cement block containing steel mesh with ribbing
Or foam block；The steel mesh with ribbing is engraved to be engraved or fish scale steel mesh with ribbing is engraved for spreading belt rib steel net.
The bottom surface of the cavity board member longitudinal bar concrete girt strip has L shape concrete raised.
The regeneration gate beam is that the gate beam bar connecting between two pieces of cavity board members forms；The mode of the connection
There are welding or mechanical connection or slip casting connection.
It is mutually communicated between the cavity of the cavity board member, forms dark air channel.
A kind of large span assembled architecture of composite frame structure of the present invention, is on the basis of Architectural Structure Design drawing
The upper physical dimension for horizontal structure superstructure and wallboard, Architectural Structure Design drawing is decomposed, quantization two is carried out to assembling form
Secondary design, drawing resolve into N number of post and beam and assembled cavity board member and wall body construction etc., and factory is by the paper organization decomposed
Be produced into the prefabricated member of the specifications and models, by component be transported to engineering site assembling and after pour and form.
A kind of large span assembled architecture of composite frame structure of specific implementation, a kind of large span of composite frame structure
Assembled architecture, prefabricated post base reinforcing bar is connected with building foundation post reserved steel bar, prefabricated post upper end steel bar stress termination with
Prefabricated post lower end steel bar stress termination to be docked is attached, and prefabricated post is raised；Every prefabricated post connects wicking height
Building floor height；Connected mode is mechanical connection or slip casting connection；It is required that every prefabricated post, which reserves steel bar stress, is connected as dislocation company
Connect, its tie point should not be on a plane of constraint；Every prefabricated post reserve the reinforcing bar length after the connection of steel bar stress termination with
The prefabricated main depth of beam of convex is identical, for the ease of connection construction, prefabricated convex girder thinner thickness or it is thicker when, it is prefabricated
The reinforcing bar length that post reserves after the connection of steel bar stress termination can adjust；And in order to allow prefabricated post concrete interface to be prefabricated convex girder
Rear pouring concrete is covered, after connection is docked in prefabricated post reserved steel bar stress termination in lower end with the reserved steel bar stress termination of upper end prefabricated post,
The concrete of upper end prefabricated post is less than the upper surface of prefabricated convex girder；It is prefabricated convex again in order to strengthen the ability of shearing and resistance to flush shear force
Form cap around shape girder and prefabricated post interface infall, reinforcing bar and relative thickness are set up by force request in cap, one
As with cantilever thickness be identically formed sleeper cap, form bright cap during higher than beam；In prefabricated post, the structure of out-hung panel is also prefabricated with
Part interface；Prefabricated convex bottom plane of main girder is by major diameter they sup-port on the prefabricated convex girder of lower floor's floor；Prefabricated convex master
Beam is the prefabricated convex girder without bright beam or has the prefabricated convex girder of bright beam, and the prefabricated convex girder without bright beam is using recessed
Shape termination cavity board member, bumps engagement are realized without bright beam (see Fig. 2)；There is the prefabricated convex girder of bright beam that cavity board member is straight
It is placed at the convex of prefabricated convex girder (see Fig. 3)；Prefabricated hollow board member is by longitudinal bar concrete girt strip, cross reinforcement concrete girt strip, sky
Cavity, bottom wing listrium composition；Vertical and horizontal side girt strip in cavity board member is wide between 50mm~100mm, longitudinal direction and horizontal stroke
Wide between 150mm~200mm to girt strip, the first half of the vertical and horizontal girt strip of every cavity board member contacted with beam is pre-
Spacing, full concrete is not poured during prefabricated cavity member, is poured after staying segment space favourable；When using the prefabricated convex girder without bright beam
When, cavity plate component termination lower end is concave, and now longitudinal rib beam bottom reinforcement bars upwarps；Cavity board member can use formwork erection mode system
Make, be mainly mould external reinforcement to formwork erection requirement, it is to be ensured that large span cavity plate structure manufacture timeinvariance；Moulding in mould, mainly
Being related to the bottom surface of cavity board member longitudinal bar concrete girt strip has the raised formation of L shape concrete, and cavity board member forms upper surface
The processing of mould internal model, the closure when reinforcing steel bars exposed and local caburizing of reserved steel bar and suspension ring to concrete；Sky in cavity board member
Cavity is engraved by steel mesh with ribbing or prefabricated hollow or plastics cavity or foam cement block or foam block；Most preferably it is to use spreading belt rib steel
Net is engraved or fish scale steel mesh with ribbing is engraved；The bottom surface of two pieces of cavity board member longitudinal bar concrete girt strips there are into L shape concrete projection split, shape
Into split notch, longitudinal rib reinforcement is set up in notch, it is groove to be formed freely-supported cavity board member change continuous floor girt strip key
Mouth space, while thoroughly solve the problems, such as the combinated seam cracking spelled again；The other split notch provides company for regeneration gate beam
Space is connect, the cross rib reinforcing bar of adjacent two pieces of cavity board members is connected using welding or mechanical connection or grouting method, formed again
Raw gate beam, the large span assembled architecture floor that cavity board member single load bearing plate is changed into a kind of composite frame structure are two-way
Stressed plate；In order to reduce the connection of regeneration gate beam, also can in cavity board member girt strip preset elongated deformed bar or pre-
Stress steel strand rope duct is managed, and during assembled in situ, deformed bar is sealed in the pipe of duct, takes post stretching to apply prestressing force；Will
Prefabricated post vertical applied force bar connecting, prefabricated convex girder end template support, sleeper cap and cavity board member are placed in beam bottom
In template, the elongated steel bar arrangement of longitudinal combination girt strip and Peng tie, carry out set aside pre-embedded pipeline, cavity board member cavity it
Between be mutually communicated to form dark air channel；For the dark air channel of fire control smoke exhausting, in order to reduce fire control smoke exhausting resistance, steel mesh with ribbing engrave in put again
Jiong shape thin-walled air channel or thin plate air channel, steel mesh with ribbing engrave the termination perforate along Jiong shape thin-walled air channel, form local dark air channel, subtract
Resistance caused by participating in smoke evacuation due to whole cavity body when discharging fume less, improves smoke discharging effect again；The reserved exposed cross rib of connection
After reinforcing bar forms regeneration cross rib reinforcing bar, a kind of top flange plate of the large span assembled architecture floor of composite frame structure is re-layed
Reinforcing bar, thereafter to above-mentioned each space property pour concrete again；Connected in the prefabricated out-hung panel structural member interface of prefabricated post
Pole, prefabricated Self-insulation wall plate are placed on rod rest；Conserve rear pouring concrete form removal and obtain a kind of required composite frame structure
Large span fabricated structure.
Brief description of the drawings
Fig. 1 is the prefabricated convex beam of the present invention without bright beam floor cross section.
Fig. 2 is prefabricated post node diagram of the present invention.
Fig. 3 is cavity floor longitudinal combination girt strip explosion views of the present invention.
Fig. 4, Fig. 5, Fig. 6 are front view, stereogram and the side view of cavity board member of the present invention.
Fig. 7 is that steel mesh with ribbing engraves structure chart in cavity board member of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 be the prefabricated convex beam of the present invention without bright beam floor cross-sectional embodiment, when the present invention is implemented, factory is made
Good prefabricated convex beam 2, the bottom width of prefabricated convex beam 2 within 600mm, the height of prefabricated convex beam 2 600mm with
It is interior；In order to mitigate weight, hollow beam 26 can be formed；When forming the prefabricated convex beam without bright beam floor, under cavity plate component termination
Hold concave, the prefabricated bottom protrusion height of convex beam 2 is usually within 100mm, longitudinal rib beam direction stress is now ensured, by longitudinal rib
Beam bottom reinforcement bars termination upwarps 100mm；The prefabricated bottom protrusion width of convex beam 2 is usually 100mm, cavity plate component termination lower end
Concave size matches with beam, and bumps combine, and realize without bright beam floor；Cavity board member 3 is transported to after job site respectively,
The prefabricated bottom of convex beam 2 is supported with heavy caliber support bar 24 again, between the assembly of support bar 24 and the prefabricated bottom of convex beam 2, most
Handy supporting plate 23 balances；The prefabricated bottom protrusion height of convex beam 2 is usually most preferably 100mm within 200mm；Prefabricated convex beam 2
Bottom protrusion width is usually most preferably 100mm within 150mm；The prefabricated middle and upper part ledge width of convex beam 2 is usually 400mm
Within, height ＞ 300mm；The extension of reinforcing bar 21 waits to go here and there prefabricated post and prefabricated post steel bar stress connection space, and prefabricated post connects
The part of cap is set up in socket part position；Cavity board member 3 is placed in the both sides of the prefabricated hoop reinforcing steel bar 22 of convex beam 2；In order to hold
By the partial pressure of cavity board member 3, N root hyphens reinforcing bar 25 is additionally arranged at the bottom of to strengthen in prefabricated convex beam 2, but it is pre- in order to reduce
The thickness of the bottom projection of convex beam 2 processed, N root hyphen reinforcement fabrications are into two concave shape 25, by the prefabricated bottom of convex beam 2
The reinforcing bar on both sides is placed on concave shape position, and the reinforcing bar on the bottom both sides of convex beam 2 is chosen with N root hyphen reinforcing bars, in N root hyphen steel
The prefabricated hoop reinforcing steel bar of convex beam 2 that muscle is fabricated to the position of two concave shape 25 is bigger than the diameter of other hoop reinforcing steel bars；It is pre- in order to mitigate
The deadweight of convex beam 2 processed and solar energy, fire control smoke exhausting multipotency pipeline are realized using prefabricated convex beam 2, prefabricated convex beam 2 is formed
Hollow beam 26.
Fig. 2 is prefabricated post node diagram of the present invention, the reinforcing bar 11 of the two sections prefabricated post 1 contour with floor is vertically connected, even
Connect and typically use slip casting method joint 12, upper section prefabricated post reinforcing bar 11 should not be in same level with lower section prefabricated post reinforcing bar 11 every
On face, joint 12 should misplace 13 connections, upper section prefabricated post reinforcing bar 11 and lower section prefabricated post reinforcing bar 11 every misplace 13 be connected after, shape
Stretch to the space 14 of bar connecting into precast main beam；In order to allow the concrete of upper section prefabricated post 1 to be combined with rear pouring concrete, upper section is prefabricated
The concrete of post 1 should be less than the surface of floor top flange plate rear pouring concrete.
Fig. 3 is cavity floor longitudinal combination girt strip explosion views of the present invention, is the globality of reinforcement structure stress and from basic
The upper combinated seam 29 solved between two pieces of cavity board members 3 ftractures, and the bottom surface on cavity board member longitudinal rib beam side has L shape concrete convex
211, ledge width 70mm are played, raised high width is within 30mm；By the adjacent longitudinal bar concrete girt strip side of two pieces of cavity board members 3
Raised 211 splits of the L shape concrete of 27 bottom surfaces, form split notch 25 and combinated seam 29, longitudinal direction are disposed in split notch 25
Girt strip reinforcing bar 26 is combined, and longitudinal combination girt strip hole is reserved by prefabricated convex beam, forms elongated reinforcing bar；In split notch 25
Connect transverse steel and formed and regenerate horizontal girt strip；Engrave and superstructure is laid above 28 in cavity plate member upper surface and steel mesh with ribbing again
Top flange plate reinforcing bar, thereafter property pour concrete again；In order to exclude open type cavity board member in time in accumulating and installation process
In casual water, in the bottom wing listrium of cavity board member set row casual water N number of aperture 212.
Fig. 4, Fig. 5, Fig. 6 are front view, stereogram and the side view of cavity board member of the present invention, and cavity board member 3 is by indulging
To girt strip 214, longitudinal girt strip side 27, the L shape concrete projection 211 of longitudinal edge rib, horizontal girt strip 215, the horizontal girt strip of regeneration
Reinforcing bar stretching, termination transverse direction girt strip 213, steel mesh with ribbing are engraved 216, closed conduit hole 315 and formed；In crisscross girt strip grid
Lay steel mesh with ribbing and engrave 216, in order to reduce fire control smoke exhausting resistance, set up in steel mesh with ribbing engraves 216 the small closed conduit of plate system with it is dark
Pipe hole 315 penetrates；Surface is provided with suspension ring and rib reinforcement and reserves exposed, and concrete or mortar are prefabricated with girt strip and bottom wing listrium 314；
During used in floor without bright beam, the lower end of two ends cross rib 213 concave 313 of cavity board member 3.
Fig. 7 is that steel mesh with ribbing engraves structure chart, with ribbing steel mesh of the cavity board member into cavity in cavity board member of the present invention
Engrave 5 and body 54 is engraved by steel mesh body with ribbing, built-in bar-mat reinforcement supporter net 53, plug 57 and impression corner 56 are formed；In order to reduce
Engraved as exhaust resistance during fire control smoke exhausting pipeline in steel mesh with ribbing in 5 in the space 55 that steel mesh with ribbing is engraved into structure whole cavity
Jiong shape sheet-metal duct 52 is put again, allows the wind with smog directly to engrave to put again in 5 in Jiong shape sheet-metal duct 51 from steel mesh with ribbing and discharge；Band
Rib steel net is engraved 5 and is used along the termination perforate in Jiong shape thin-walled air channel 51 as fire-fighting smoke controlling pipeline or solar energy air supply duct, real
Cavity floor multifunctional application is showed.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, it should be understood by a person of ordinary skill in the art that still
The embodiment of the present invention can be modified or equivalent substitution, and end departs from any of spirit and scope of the invention
Modification or equivalent substitution, it all should cover among scope of the presently claimed invention.
Claims (10)
1. a kind of large span assembled architecture of composite frame structure, comprising prefabricated post, prefabricated convex girder, cavity board member,
Longitudinal combination girt strip, regeneration cross rib reinforcing bar, combinated seam；It is characterized in that prefabricated post both ends reserved steel bar；The prefabricated convex
Girder both ends reserved steel bar；The reserved steel bar string is crossed prefabricated post both ends reserved steel bar and connected in the bearing to be formed, and forms reinforcing bar
Concrete composite frame structure；The cavity board member is made up of longitudinal bar concrete girt strip, cross reinforcement concrete girt strip, cavity body, bottom wing listrium；
The cavity board member is arranged on the edge of prefabricated convex girder；The non-through floor of cavity plate component groups joint close, it is combined
Stitch depth≤50mm.
2. a kind of large span assembled architecture of composite frame structure as claimed in claim 1, its spy are the prefabricated post
Upper end steel bar stress termination is attached with prefabricated post lower end steel bar stress termination to be connected, and prefabricated post is raised；It is described every
Part prefabricated post connection wicking height is building floor height；The connected mode is mechanical connection or slip casting connection；Described every prefabricated
Post reserved steel bar is connected as dislocation connection.
3. the large span assembled architecture of a kind of composite frame structure as claimed in claim 1, it is characterised in that described prefabricated
The main depth of beam of the prefabricated convexs of reinforcing bar length ＞ after the connection of post reserved steel bar termination, after being connected in prefabricated post reserved steel bar termination
In the reinforcing bar length space of formation, prefabricated convex girder reserved steel bar is sealed in, to the reinforcing bar length position pour concrete, forms combination
Framework.
4. the large span assembled architecture of a kind of composite frame structure as claimed in claim 1, it is characterised in that described prefabricated
Post sets solid cap with prefabricated convex girder binding site；Area >=1.0mm of the solid cap2。
5. the large span assembled architecture of a kind of composite frame structure as claimed in claim 1, it is characterised in that described prefabricated
Convex beam two ends have reserved steel bar；The reserved steel bar is spiral or deformed bar.
6. the large span assembled architecture of a kind of composite frame structure as claimed in claim 1, it is characterised in that described prefabricated
There is the hole of deformed bar or the adjacent both sides Cavity structural member longitudinal combination girt strip reinforcing bar of the prefabricated convex girder of connection in convex girder
Hole；There is reinforcing steel bars exposed the prefabricated convex girder upper surface；The prefabricated convex girder is hollow beam.
A kind of 7. large span assembled architecture of composite frame structure as claimed in claim 1, it is characterised in that the cavity
Cavity body in board member, is engraved or prefabricated hollow or plastics cavity or foam cement block or foam block containing steel mesh with ribbing；The band
Rib steel net is engraved to be engraved or fish scale steel mesh with ribbing is engraved for spreading belt rib steel net.
A kind of 8. large span assembled architecture of composite frame structure as claimed in claim 1, it is characterised in that the cavity
The bottom surface of board member longitudinal bar concrete girt strip has L shape concrete raised.
A kind of 9. large span assembled architecture of composite frame structure as claimed in claim 1, it is characterised in that the regeneration
Gate beam is that the gate beam bar connecting between two pieces of cavity board members forms；The mode of the connection has welding or mechanically connected
Or slip casting connection.
A kind of 10. large span assembled architecture of composite frame structure as claimed in claim 1, it is characterised in that the cavity
It is mutually communicated between the cavity of board member, forms dark air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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Application publication date: 20180406 |