CN207812832U - A kind of prefabricated convex beam of assembled architecture - Google Patents

Abstract

The utility model provides a kind of prefabricated convex beam of assembled architecture, width in the beam bottom width G T.GT.GT convex beams of the prefabricated convex beam；The horizontal ledge height ＜ 100mm of the convex beam beam bottom width；The width ＜ 120mm of convex beam beam bottom width levels protrusion part；The height ＞ 300mm of the convex beam vertical lug point；There is the stretching of beam stress reinforcing bar at convex beam both ends.

Description

A kind of prefabricated convex beam of assembled architecture

Technical field

The utility model is related to a kind of assembled architecture systems technologies, and in particular to a kind of prefabricated convex of assembled architecture Beam technology.

Background technology

Country widelys popularize assembled architecture, specifies specific implementation plan；And it requires in reinforced concrete frame knot Extensive use in structure, reinforced concrete frame shear wall structure, steel construction and steel-concrete combined structure system specifies 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, technology existing defects, assembled architecture cost is excessively high, earth-free gas, cause country promote assembled Built speed is obstructed.

The prior art using common beam slab such as inventor a kind of ZL200410082381.9 " buildings empty stomach little Mi Lei Lid " and ZL200820126232.1 " a kind of cast-in-situ section steel concrete cavity building roof ", hollow filling body is embedded in shape in cast-in-situ floor At " T fonts " stress cross-section hollow layer, solve the problems, such as large span, large space, big load.In order to make in length and breadth girt strip reinforcing bar it is logical Steel I-beam web is crossed, the cast-in-situ hollow floor plate of continuous slab band is formed, the too many simultaneously aperture in the hole reserved in steel I-beam web It is too small, processing trouble；Meanwhile the cement hollow obturator setting and hardening time is long, mould utilization factor is low, and hollow filling volume density is big The defects of matter weight, production and transport inconvenience and obturator globality poor cracky.

To realize that industrialized production, inventor apply for a kind of ZL201310332173.9 " cast-in-situ hollow building roof pore-forming use again Netted box component " and ZL201510331724.X " a kind of Novel steel-mixed combination cast-in-situ hollow building roof ", to it is existing pour it is hollow Superstructure technology carries out General Promotion, realizes transition and upgrade, updates and significantly reduce the dead weight of cavity building roof, add Self-heat preservation heat insulation performance, safety of structure is strong, solve realize large span, large space, big load hollow floor existing for ask Topic；Inventor constantly promotes oneself cast-in-situ hollow building roof background technology, is assembled architecture large span, the horizontal structure without bright beam The basis of hard stone is established；Although solving the problems, such as into pole to produce, all it is cast-in-site, dress is pushed away by force with country It is not inconsistent with formula spirit.

Again in order to promote China's housing industrialization to develop, " one kind is for sky by the ZL201620410363.7 of inventor's application The prefabricated component of chamber superstructure " and ZL201620553181.5 " a kind of stress island cavity building roof prefabricated cavity member " Cast-in-place concrete hollow building roof expands to assembled architecture field by creating transition, solves assembled arthitecutral structure entirety The problems such as poor, large span of property is without bright beam, component super large, component industrialization, construction quality controllability, work efficiency and environmental protection；This A little inventions, although having tamped basis for China's Process of Housing Industrialization, there is also the prefabricated assembled cavity plate structures of long strip type The crackle in gap, bidirectional stress cavity floor transverse direction steel when the one-way of part stress, two pieces of prefabricated assembled cavity plate splits The problems such as connection space limitation of muscle.

Currently, since assembled architecture also has many Ji arts Wen Ti No to have solution, causes to promote and be obstructed；In order to promote to build Scientific and technological progress, use is multi-functional, economy, scientific and technological content, energy conservation and environmental protection and the market demand are big, safety coefficient is high, cost It is low, and meet the architectural structure system of national industrial policies and industrial development direction.Therefore, inventor is again in existing background self On the basis of technology, by being applied in assembled arthitecutral structure for cast-in-situ hollow building roof technology creation, novel assembly is formed Formula cassette ceiling structural system；Cast-in-place cavity building roof Technology Difficulties problem is solved in batch production, sizing production prefabricated post, prefabricated Beam, assembled cavity floor component, steel structure member, structure be integrally forced through behind scene pour top flange plate and combination girt strip or Prestressed mode solves, the prefabricated assembled Cavity structural member of factorial praluction and steel construction and the organic knot of reinforced concrete frame Altogether；Again in order to promote China's housing industrialization to develop in a healthy way, recently, inventor participates in big by Tongji University in oneself production base , civil construction institute of Central South University, national Tianjin fire research preside over largest " assembled large span is without secondary beam Steel construction cavity floor full scale test ", " utilizes assembly at " assembled large span is without bright joist steel tendon concrete structure full scale test " The fire control smoke exhausting of formula cavity floor is tested " examine inventor's prior art innovative, advanced, reasonability and safety；Examination Test the multispan load pressurization full scale test and Assembled Building plate ultimate load load full scale test using continuous slab band, ultimate load The specific data of load test be done without beam assembled experimental model span 8.4m, surrounding overhanging 1.6m, length of side 11.6m, by Pressure surface accumulates 134.56m², use dynamic load 2KN, actual loaded load 22KN；Limit crack national standard is 1.5mm, and practical crack is only There is 0.5mm；It is 168mm, actural deflection 39mm to calculate limiting flexibility by national standard；By verification experimental verification assembled architecture in reinforcing bar Safety of the concrete structure without the structure of bright beam or steel construction without secondary beam；Verification experimental verification becomes single load bearing floor member Bidirectional stress floor, the floor construction that monolithic freely-supported floor member is become to continuous slab band；Thoroughly solves large span floor structure The problems such as part bonding crack cracking, fire prevention, sound insulation, long-term maintenance, assembly technology, especially assembled architecture cost is had dropped 20%；Logical structure full scale test, further innovates for assembled architecture and has tamped practical basis；But experiment discloses assembled The distribution of building structure internal force becomes rule, and also in the case where ensuring the preceding topic of assembled arthitecutral structure safety requirements, assembled is built Build the space that technology also much optimizes.A kind of prefabricated convex beam of assembled architecture is researched and developed, assembled architecture skill is had become The urgent need of art field innovation.

Utility model content

The purpose of this utility model is that the prefabricated assembled component of factorial praluction, especially prefabricated convex beam, At reinforced concrete frame structure, after pour technology combines Assembling, improves the whole of assembled arthitecutral structure Body；Mitigate cavity plate member dead weight and organically combined with prefabricated convex beam, realizes that assembled lowers without bright beam or bright beam； Hole, hollow, prefabricated convex beam inclined-plane are set in prefabricated convex beam to reach the dead weight and the raising safety that mitigate prefabricated convex beam Property, it realizes multi-functional；Save a series of defects such as floor height space layer height shared by existing assembled laminated floor slab.

The technical solution of the utility model is as follows, a kind of prefabricated convex beam of assembled architecture, the prefabricated convex beam Width in beam bottom width G T.GT.GT convex beams；The horizontal ledge height ＜ 100mm of the convex beam beam bottom width；The convex beam Beam bottom width levels protrude the width ＜ 120mm of part；The height ＞ 300mm of the convex beam vertical lug point；It is described convex There is the stretching of beam stress reinforcing bar at type beam both ends.

The prefabricated convex beam is prefabricated hollow beam.

The prefabricated convex beam two ends are in inclined-plane；Its inclined-plane is tilted to beam bottom body.

In the prefabricated convex beam, the hole of longitudinal combination girt strip reinforcing bar break-through is reserved.

The prefabricated convex beam bottom setting laterally overhangs reinforcing bar；The two ends of the overhanging reinforcing bar are recessed, are placed on beam bottom The upper surface of reinforcing bar；The beam stress reinforcing bar on the prefabricated convex beam bottom side be placed in overhanging reinforcing bar two ends it is recessed in.

A kind of prefabricated convex beam of assembled architecture of the utility model, is needle on the basis of Architectural Structure Design drawing To the geometric dimension of horizontal structure superstructure and vertical structure wallboard, Architectural Structure Design drawing is decomposed, to the assembling form amount of progress Change Secondary Design, drawing resolves into N number of prefabricated member and wall body construction etc., and factory is produced into described by the paper organization of decomposition The prefabricated member of specifications and models, by prefabricated member be transported to engineering construction assembled in situ and after pour.

The prefabricated assembled component of specific implementation being factorial praluction, especially prefabricated convex beam, at the scene group Reinforced concrete frame structure is dressed up, the binding site of each component is combined by rear pouring concrete technology, improves assembly The globality of formula building structure；Cavity board member is placed in prefabricated convex beam two sides, realizes assembled without bright beam or bright Beam lowers；In prefabricated convex beam be arranged hole, hollow, prefabricated convex beam inclined-plane come reach mitigate prefabricated convex beam dead weight and Safety is improved, is realized multi-functional；Save a series of defects such as space layer height shared by existing assembled laminated floor slab；Assembled is built Build width in the beam bottom width G T.GT.GT convex beams with prefabricated convex beam, general span 8400mm assembling frame structure it is prefabricated The beam bottom width of convex beam is 600mm；After floor assembly when not obvious beam, prefabricated convex beam horizontal ledge height 80mm, the width that convex beam beam bottom width levels protrude part are 100mm；Assembling frame structure of the general span in 8400mm Prefabricated convex beam beam bottom width be 550mm；After floor assembly when obvious beam, prefabricated convex beam horizontal ledge height 180mm, the width that convex beam beam bottom width levels protrude part are 100mm；It is described, the height of convex beam vertical lug point 400mm；Prefabricated convex beam is generally solid beam, in order to mitigate prefabricated convex beam dead weight and use beam as multi-functional pipeline, in advance Hollow beam is made；In order to pour contact surface after increasing prefabricated convex beam, the crackle of prefabricated convex beam and rear pouring concrete is prevented, it will be prefabricated Convex beam two ends are in inclined-plane, and inclined-plane is tilted to beam bottom body, allows after the more bracketings of concrete for pouring column interface or bolumn cap prefabricated convex Type beam；At the natural axis of prefabricated convex beam, the hole of longitudinal combination girt strip reinforcing bar break-through is reserved, forms continuous slab band and more work( It can hole；Prefabricated convex beam bottom setting laterally overhangs reinforcing bar, and when not obvious beam, the two ends for overhanging reinforcing bar are recessed；When obvious beam When, straight reinforcing bar can not be recessed into down by overhanging the two ends of reinforcing bar, and prefabricated convex beam bottom portion overhanging reinforcing bar is placed on beam bottom reinforcing bar Above；Prefabricated convex beam bottom edge reinforcement steel bar stress be placed in overhanging reinforcing bar two ends it is recessed in or overhanging reinforcing bar above, it is main Be to ensure that assembly cavity board member bears pressure.Convex beam both ends steel bar stress is connected with mechanical connection with slip casting after stretching out Method be attached；In the space of two beams connection, while concrete is poured into a mould after connecting other functors, realizes a kind of use Constitute assembled architecture.

Description of the drawings

Fig. 1 is the prefabricated convex beam of the utility model without bright beam floor cross section.

Fig. 2 is the utility model prefabricated post node diagram.

Fig. 3 is the utility model cavity floor longitudinal combination girt strip explosion views.

Fig. 4, Fig. 5, Fig. 6 are front view, stereogram and the side view of the utility model cavity board member.

Fig. 7 is that steel mesh with ribbing engraves structure chart in the utility model cavity board member.

Specific implementation mode

The utility model is further described below in conjunction with the accompanying drawings.

Fig. 1 is the prefabricated convex beam of the utility model without bright beam floor cross-sectional embodiment, when the utility model is implemented, general Within 600mm, the height of prefabricated convex beam 2 exists the bottom width of prefabricated convex beam 2, prefabricated convex beam 2 that factory makes Within 600mm；In order to mitigate weight, hollow beam 26 can be formed；When forming the prefabricated convex beam without bright beam floor, cavity board member End lower end is concave, and 2 bottom protrusion height of prefabricated convex beam is usually to ensure longitudinal rib beam direction stress at this time within 100mm, Longitudinal rib beam bottom portion steel bar end is upwarped into 100mm；2 bottom protrusion width of prefabricated convex beam is usually 100mm, cavity plate member end The concave size in head lower end is matched with beam, and bumps combine, and is realized without bright beam floor；Cavity board member 3 is transported into construction respectively Behind scene, then with heavy caliber supporting rod 24 support prefabricated 2 bottom of convex beam, 24 assembly of supporting rod and prefabricated 2 bottom of convex beam Between, most handy supporting plate 23 balances；2 bottom protrusion height of prefabricated convex beam is usually most preferably 100mm within 200mm；It is prefabricated 2 bottom protrusion width of convex beam is usually most preferably 100mm within 150mm；2 middle and upper part ledge width of prefabricated convex beam is general It is height ＞ 300mm within 400mm；21 extension of reinforcing bar waits going here and there prefabricated post and prefabricated post steel bar stress connection space, in advance Column connecting portion processed adds the component part of bolumn cap；Cavity board member 3 is placed in the both sides of 2 hoop reinforcing steel bar 22 of prefabricated convex beam； In order to bear the partial pressure of cavity board member 3, N root hyphens reinforcing bar 25 is additionally arranged at the bottom of to reinforce in prefabricated convex beam 2, and in order to The thickness of prefabricated 2 bottom of convex beam protrusion part is reduced, N root hyphen reinforcement fabrications are at both ends concave shape 25, by prefabricated convex The reinforcing bar on 2 bottom both sides of beam is placed on concave shape position, the reinforcing bar on 2 bottom both sides of convex beam is chosen with N root hyphen reinforcing bars, in N Root hyphen reinforcement fabrication is bigger than the diameter of other hoop reinforcing steel bars at prefabricated 2 hoop reinforcing steel bar of convex beam at 25 position of both ends concave shape；For The dead weight of the prefabricated convex beam of mitigation 2 and realize solar energy, fire control smoke exhausting multipotency pipeline using prefabricated convex beam 2, it will be prefabricated convex Ellbeam 2 forms hollow beam 26.

Fig. 2 is the utility model prefabricated post node diagram, and the reinforcing bar 11 of the two section prefabricated posts 1 contour with floor is vertically connected It connects, connection generally uses slip casting method connector 12, and upper section prefabricated post reinforcing bar 11 and lower section prefabricated post reinforcing bar 11 every should not be same On a horizontal plane, connector 12 should misplace 13 connections, 11 every dislocation of upper section prefabricated post reinforcing bar 11 and lower section prefabricated post reinforcing bar, 13 companies After connecing, the space 14 that precast main beam stretches to bar connecting is formed；In order to allow the concrete of upper section prefabricated post 1 to be combined with rear pouring concrete, The concrete of upper section prefabricated post 1 should be less than the surface of floor top flange plate rear pouring concrete.

Fig. 3 be the utility model cavity floor longitudinal combination girt strip explosion views, be reinforcement structure stress globality and from The combinated seam 29 fundamentally solved between two pieces of cavity board members 3 cracks, and the bottom surface on cavity board member longitudinal rib beam side has L shape Concrete protrusion 211, ledge width 70mm, the high width of protrusion are within 30mm；By 3 longitudinal bar concrete rib of adjacent two pieces of cavity board members Raised 211 splits of L shape concrete of 27 bottom surface of beam side, form split notch 25 and combinated seam 29, are disposed in split notch 25 Longitudinal combination girt strip reinforcing bar 26, and longitudinal combination girt strip hole is reserved by prefabricated convex beam, form elongated reinforcing bar；Split notch Transverse steel is connected in 25 forms the lateral girt strip of regeneration；Again the upper surface of 28 layings are engraved in cavity plate member upper surface and steel mesh with ribbing Superstructure top flange plate reinforcing bar, thereafter property pour concrete again；In order to exclude open type cavity board member in time in storage and transportation and installation Casual water in the process, N number of aperture 212 of setting row casual water in the bottom wing listrium of cavity board member.

Fig. 4, Fig. 5, Fig. 6 are front view, stereogram and the side view of the utility model cavity board member, cavity board member 3 Laterally by longitudinal girt strip 214, longitudinal girt strip side 27, the L shape concrete protrusion 211 of longitudinal edge rib, lateral girt strip 215, regeneration 216, closed conduit hole 315 composition is engraved in the stretching of girt strip reinforcing bar, end transverse direction girt strip 213, steel mesh with ribbing；In crisscross girt strip net Steel mesh with ribbing is placed in lattice and engraves 216, and in order to reduce fire control smoke exhausting resistance, the small closed conduit of plate system is added in steel mesh with ribbing engraves 216 It is penetrated through with closed conduit hole 315；Surface be equipped with hanging ring and rib reinforcement reserve it is exposed, be prefabricated in girt strip and bottom wing listrium 314 concrete or Mortar；When used in floor without bright beam, 213 lower end of two ends cross rib concave 313 of cavity board member 3.

Fig. 7 is that steel mesh with ribbing engraves structure chart in the utility model cavity board member, and cavity board member is at the with ribbing of cavity Steel mesh engraves 5 and engraves body 54, built-in bar-mat reinforcement supporter net 53 by steel mesh body with ribbing, and plug 57 and impression corner 56 are constituted；In order to It reduces and steel mesh with ribbing is engraved into exhaust resistance of the space 55 of structure whole cavity as fire control smoke exhausting pipeline when, engraved in steel mesh with ribbing Jiong shape sheet-metal duct 52 is set in 5 again, the wind with smog is allowed directly to engrave to set again in 5 in Jiong shape sheet-metal duct 51 from steel mesh with ribbing and arrange Go out；Steel mesh with ribbing engrave 5 along Jiong shape thin-walled air duct 51 end trepanning as fire-fighting smoke controlling pipeline or solar energy air supply duct it With realizing cavity floor multifunctional application.

Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than limits it System, although the utility model is described in detail with reference to above-described embodiment, those of ordinary skill in the art should Understand, specific embodiment of the present utility model can be still modified or replaced equivalently, and end is detached from this practicality newly Any modification of type spirit and scope or equivalent replacement should all cover in the right of the utility model.

Claims (4)

1. a kind of prefabricated convex beam of assembled architecture, width in the beam bottom width G T.GT.GT convex beams of the prefabricated convex beam；It is described The horizontal ledge height ＜ 100mm of convex beam beam bottom width；The width of convex beam beam bottom width levels protrusion part ＜ 120mm；The height ＞ 300mm of the convex beam vertical lug point；There is the stretching of beam stress reinforcing bar at convex beam both ends.Institute State prefabricated convex beam bottom setting laterally overhanging reinforcing bar；The two ends of the overhanging reinforcing bar are recessed, are placed on the upper surface of beam bottom reinforcing bar； The beam stress reinforcing bar on the prefabricated convex beam bottom side be placed in overhanging reinforcing bar two ends it is recessed in.

2. the prefabricated convex beam of a kind of assembled architecture as described in claim 1, it is characterised in that the prefabricated convex beam is Prefabricated hollow beam.

3. a kind of prefabricated convex beam of assembled architecture as described in claim 1, it is characterised in that the prefabricated convex beam two End is in inclined-plane；Its inclined-plane is tilted to beam bottom body.

4. a kind of prefabricated convex beam of assembled architecture as described in claim 1, it is characterised in that in the prefabricated convex beam, The hole of reserved longitudinal combination girt strip reinforcing bar break-through.