CN107700733A - The cavity floor of convex beam assembling - Google Patents
The cavity floor of convex beam assembling Download PDFInfo
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- CN107700733A CN107700733A CN201710952461.2A CN201710952461A CN107700733A CN 107700733 A CN107700733 A CN 107700733A CN 201710952461 A CN201710952461 A CN 201710952461A CN 107700733 A CN107700733 A CN 107700733A
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- cavity
- prefabricated
- convex beam
- floor
- board member
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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
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The present invention provides the cavity floor of convex beam assembling, includes prefabricated post, prefabricated convex beam, cavity board member, longitudinal combination girt strip, regeneration cross rib reinforcing bar, joint close；It is characterized in that prefabricated post both ends reserved steel bar；The prefabricated convex beam two ends have reserved spiral or deformed bar；The hole that two longitudinal combination girt strip reinforcing bar strings are crossed at least is reserved in the prefabricated convex beam, forms the longitudinal combination girt strip of continuous slab band；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 beam；The cavity board member joint close depth≤40mm.
Description
Technical field
The present invention relates to a kind of assembled architecture systems technology, and in particular to the cavity floor technology of convex beam assembling.
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 cavity floor of convex beam assembling is sent out, solves the structure level direction floor globality, fire prevention, multi-functional, joint close crackle etc.
Problem；It is the important breakthrough for realizing assembled arthitecutral structure system new technology, has become the innovation of assembled architecture technical field
Urgent need.
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 beam, prefabricated hollow board member, wallboard, pass through assembled in situ rear pouring concrete
Technology combines, and improves the entirety of building structure；Country advocates prefabricated rate and reaches 40% a few days ago, will use group frame
Prefabricated rate reaches 75% after structure state-of-the-art technology；Cap is formed on the periphery of two pieces prefabricated post junction, increases Punching Shear and cuts
The ability of power；Prefabricated convex beam uses hollow beam, mitigates the deadweight of beam, takes post stretching to apply prestressing force in beam；Two pieces of skies
The connection for being formed as cross rib beam steel of cavity plate component assembly combination girt strip dead slot provides space, generates regeneration cross rib
Beam, the one-way of member stress is changed into bidirectional stress；The space of longitudinal combination girt strip is provided for longitudinal stress, solve by
Simply supported slab is changed into continuous slab band；Longitudinal combination girt strip is applied with bonding crack, and thoroughly solves cavity board member engagement crackle
Reproduction；The cavity floor of convex beam assembling, saves benefit caused by floor height space shared by existing assembled laminated floor slab technology,
It is rational in infrastructure, reach the existing assembled arthitecutral structure technical system of optimization, overcome a series of existing for existing structure technology lack
Fall into.
Technical scheme is as follows, the cavity floor of convex beam assembling, includes prefabricated post, prefabricated convex beam, cavity
Board member, longitudinal combination girt strip, regeneration cross rib reinforcing bar, joint close；It is characterized in that prefabricated post both ends reserved steel bar；It is described pre-
Convex beam two ends processed have reserved spiral or deformed bar；Two longitudinal combinations are at least reserved in the prefabricated convex beam
The hole that girt strip reinforcing bar string is crossed, form the longitudinal combination girt strip of continuous slab band；The cavity board member is by longitudinal bar concrete girt strip, horizontal stroke
Reinforced concrete girt strip, cavity body, bottom wing listrium composition；The cavity board member is arranged on the edge of prefabricated convex beam；The cavity
Board member joint close depth≤40mm.
Steel bar stress termination is docked with prefabricated post lower end steel bar stress termination to be docked, and prefabricated post is raised；Institute
It is building floor height to state every prefabricated post docking wicking height；The docking mode is that mechanical splice or slip casting are docked；It is described every
Prefabricated post reserved steel bar is to being connected in dislocation docking.
The prefabricated convex depths of beam of reinforcing bar length ＞ after the prefabricated post reserved steel bar termination docking, are reserved in prefabricated post
In the reinforcing bar length space formed after steel bar end docking, prefabricated convex beam reserved steel bar is sealed in, the reinforcing bar length position is poured
Concrete is noted, forms group frame.
The prefabricated post is open tubular column；The face of the open tubular column assembling Side fascia, is reserved with structural member attachment means.
The prefabricated post sets solid cap with prefabricated convex beam binding site；The area of the solid cap is
1.0mm2。
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 cavity board member is assemblied in the first half or whole of prefabricated convex beam；Formed with bright beam floor or without Ming Liang buildings
Plate.
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；Thin metal is set up again in the dark air channel
Plate or inorganic board form the dark smokejack of fire-fighting.
The cavity floor of the convex beam assembling of the present invention, is that horizontal structure is directed on the basis of Architectural Structure Design drawing
The physical dimension of superstructure and wallboard, Architectural Structure Design drawing is decomposed, quantization Secondary Design is carried out to assembling form, drawing decomposes
Into N number of post and beam and assembled cavity board member and wall body construction etc., factory is produced into the specification by the paper organization of decomposition
The prefabricated member of model, by component be transported to engineering site assembling and after pour and form.
The cavity floor of the convex beam assembling of specific implementation, the cavity floor of convex beam assembling, by prefabricated post base reinforcing bar
It is connected with building foundation post reserved steel bar, prefabricated post upper end steel bar stress termination and prefabricated post lower end steel bar stress end to be docked
Head is attached, and prefabricated post is raised；Every prefabricated post connection wicking height is building floor height；Connected mode for mechanically connect or
Slip casting connects；It is required that every prefabricated post, which reserves steel bar stress, is connected as dislocation connection, its tie point should not be in a plane of constraint
On；The reinforcing bar length that every prefabricated post is reserved after the connection of steel bar stress termination is identical with prefabricated convex depth of beam, for the ease of
Connection construction, prefabricated convex beam thinner thickness or it is thicker when, prefabricated post reserve steel bar stress termination connection after reinforcing bar length
Degree can be adjusted, and open tubular column can be used in prefabricated post；Covered again in order to allow prefabricated post concrete interface to be prefabricated convex beam rear pouring concrete, under
After connection is docked in prefabricated post reserved steel bar stress termination in end with the reserved steel bar stress termination of upper end prefabricated post, the concrete of upper end prefabricated post
Less than the upper surface of prefabricated convex beam；In order to mitigate deadweight, prefabricated convex beam uses hollow beam, can also use the porous of small-bore
Hollow beam；When using solar heating air-supply, open tubular column will connect with hollow beam in post beam junction pipe die, form hidden pipe
Road；Cap is formed again in order to strengthen the ability of shearing and resistance to flush shear force, around prefabricated convex beam and prefabricated post interface infall,
Reinforcing bar and relative thickness are set up by force request in cap, sleeper cap is typically identically formed with cantilever thickness, is formed during higher than beam bright
Cap；In prefabricated post, the structural member interface of out-hung panel is also prefabricated with；Prefabricated convex soffit is by major diameter they sup-port
On the prefabricated convex beam of lower floor's floor；Prefabricated convex beam is the prefabricated convex beam without bright beam or has the prefabricated convex beam of bright beam, institute
State the prefabricated convex beam without bright beam and use spill termination cavity plate component, bumps engagement is realized without bright beam (see Fig. 2)；There is bright beam
Cavity board member is directly placed at the convex of prefabricated convex beam (see Fig. 3) by prefabricated convex beam；Prefabricated hollow board member is by longitudinal bar
Concrete girt strip, cross reinforcement concrete girt strip, cavity body, bottom wing listrium composition；Vertical and horizontal side girt strip in cavity board member it is wide
Between 50mm~100mm, vertical and horizontal girt strip is wide between 150mm~200mm, every cavity board member contacted with beam
The first half headspace of vertical and horizontal girt strip, full concrete is not poured during prefabricated cavity member, is poured after staying segment space favourable；When adopting
During with prefabricated convex beam without bright beam, cavity plate component termination lower end is concave, and now longitudinal rib beam bottom reinforcement bars upwarps；Cavity plate
Component can also be made using formwork erection mode, 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, being mainly concerned with the bottom surface of cavity board member longitudinal bar concrete girt strip has the raised shape of L shape concrete
The mould internal model processing of upper surface is formed into, cavity board member, to concrete when the reinforcing steel bars exposed and local caburizing of reserved steel bar and suspension ring
Closure；Cavity body in cavity board member 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 be engraved using spreading belt rib steel net or fish scale steel mesh with ribbing is engraved；By under two pieces of cavity board member longitudinal bar concrete girt strips
There is L shape concrete projection split bottom surface, forms split notch, longitudinal rib reinforcement is set up in notch, is formed freely-supported cavity plate structure
It is notch space that part, which becomes continuous floor girt strip key, while thoroughly solves the problems, such as the combinated seam cracking spelled again；The other split
Notch provides connection space for regeneration gate beam, and the cross rib reinforcing bar of adjacent two pieces of cavity board members is connected using welding or machinery
Connect or grouting method connection, formation regenerate gate beam, cavity board member single load bearing plate is changed into the cavity building of convex beam assembling
Slab-type apartment building plate bi-directional pressured plate；In order to reduce regeneration gate beam connection, also can in cavity board member girt strip it is preset it is elongated it is pre- should
Power reinforcing bar or prestress steel twist cord hole deferent, during assembled in situ, deformed bar is sealed in the pipe of duct, takes post stretching to apply
Prestressing force；By prefabricated post vertical applied force bar connecting, prefabricated convex beam bottom mother plate is supported, sleeper cap and cavity board member are laid
On beam bottom mother plate, the elongated steel bar arrangement of longitudinal combination girt strip and Peng tie, carry out set aside pre-embedded pipeline, cavity board member
It is mutually communicated to form dark air channel between cavity；For the dark air channel of fire control smoke exhausting, in order to reduce fire control smoke exhausting resistance, steel mesh with ribbing is engraved
Jiong shape thin-walled air channel or thin plate air channel are inside put again, and steel mesh with ribbing engraves the termination perforate along Jiong shape thin-walled air channel, is formed local dark
Air channel, resistance caused by participating in smoke evacuation due to whole cavity body when reducing smoke evacuation, improves smoke discharging effect again；Connection is reserved outer
After revealing cross rib reinforcing bar formation regeneration cross rib reinforcing bar, the top flange plate reinforcing bar of the cavity floor floor of convex beam assembling is re-layed, you
Afterwards to above-mentioned each space property pour concrete again；Pole is connected in the prefabricated out-hung panel structural member interface of prefabricated post, in advance
The Self-insulation wall plate of system is placed on rod rest；Conserve the cavity floor thing that rear pouring concrete form removal obtains required convex beam assembling.
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. the cavity floor of convex beam assembling, include prefabricated post, prefabricated convex beam, cavity board member, longitudinal combination girt strip, regeneration
Cross rib reinforcing bar, joint close；It is characterized in that prefabricated post both ends reserved steel bar；The prefabricated convex beam two ends have reserved screw thread
Reinforcing bar or deformed bar；The hole that two longitudinal combination girt strip reinforcing bar strings are crossed at least is reserved in the prefabricated convex beam, is formed
The longitudinal combination girt strip of continuous slab band；The cavity board member is by longitudinal bar concrete girt strip, cross reinforcement concrete girt strip, cavity body, bottom wing
Listrium forms；The cavity board member is arranged on the edge of prefabricated convex beam；The cavity board member joint close depth≤40mm.
2. the cavity floor of convex beam assembling as claimed in claim 1, its spy are the prefabricated post upper end steel bar stress end
Head is docked with prefabricated post lower end steel bar stress termination to be docked, and prefabricated post is raised；Every prefabricated post docking rises
Height is building floor height；The docking mode is that mechanical splice or slip casting are docked；Every prefabricated post reserved steel bar docking
Docked for dislocation.
3. the cavity floor of convex beam assembling as claimed in claim 1, it is characterised in that the prefabricated post reserved steel bar termination
The prefabricated convex depths of beam of reinforcing bar length ＞ after docking, the reinforcing bar length formed after being docked in prefabricated post reserved steel bar termination are empty
Between in, seal in prefabricated convex beam reserved steel bar, to the reinforcing bar length position pour concrete, form group frame.
4. the cavity floor of convex beam assembling as claimed in claim 1, it is characterised in that the prefabricated post is open tubular column；It is described
Open tubular column assembles the face of Side fascia, is reserved with structural member attachment means.
5. the cavity floor of convex beam assembling as claimed in claim 1, it is characterised in that the prefabricated post and prefabricated convex beam
Binding site sets solid cap；The area of the solid cap is 1.0mm2。
6. the cavity floor of convex beam assembling as claimed in claim 1, it is characterised in that the cavity in the cavity board member
Body, is engraved or prefabricated hollow or plastics cavity or foam cement block or foam block containing steel mesh with ribbing；The steel mesh with ribbing is engraved as expansion
Steel mesh with ribbing is engraved or fish scale steel mesh with ribbing is engraved.
7. the cavity floor of convex beam assembling as claimed in claim 1, it is characterised in that the cavity board member is assemblied in pre-
The first half or whole of convex beam processed；Formed with bright beam floor or without bright beam floor.
8. the cavity floor of convex beam assembling as claimed in claim 1, it is characterised in that the cavity board member longitudinal bar concrete
The bottom surface of girt strip has L shape concrete raised.
9. the cavity floor of convex beam assembling as claimed in claim 1, it is characterised in that the regeneration gate beam is two pieces of skies
Gate beam bar connecting between cavity plate component forms；The mode of the connection has welding or mechanical connection or slip casting connection.
10. the cavity floor of convex beam as claimed in claim 1 assembling, it is characterised in that the cavity of the cavity board member it
Between be mutually communicated, form dark air channel；Metal sheet is set up again in the dark air channel or inorganic board forms the dark smokejack of fire-fighting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952461.2A CN107700733A (en) | 2017-10-13 | 2017-10-13 | The cavity floor of convex beam assembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952461.2A CN107700733A (en) | 2017-10-13 | 2017-10-13 | The cavity floor of convex beam assembling |
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| Publication Number | Publication Date |
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| CN107700733A true CN107700733A (en) | 2018-02-16 |
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| CN201710952461.2A Pending CN107700733A (en) | 2017-10-13 | 2017-10-13 | The cavity floor of convex beam assembling |
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| CN106381952A (en) * | 2016-10-21 | 2017-02-08 | 王海崴 | Assembling type overlapped cavity floor cover |
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Application publication date: 20180216 |