CN101255744A - Combined reinforced concrete hollow floor - Google Patents

Abstract

A combined reinforced concrete hollow floor comprises a prefabricated thin plate (1), a formwork (2), a concealed rib (3) and an upper plate (4). The prefabricated thin plate (1) is fixed with the formwork (2). The concealed rib (3) is arranged between the adjacent prefabricated thin plates (1) or the formworks (2). The upper plate (4) is covered on the formwork (2) and is integrated with the concealed rib (3). The invention is characterized in that the prefabricated thin plate (1) is smaller than the formwork fixed whereon and contracts inwards at the bottom surface of the formwork (2) to form an inside corner (5). The cast-in-situ concrete concealed rib (3) forms an inverse-T shaped cast-in-situ concrete concealed rib. The upper corner part of the formwork (1) is provided with an inside corner (5). In this way, the combined reinforced concrete hollow floor is suitable to be used for various hollow building roofs, building covers, walls, base plates and hollow bridge of the cast-in-situ reinforced concrete or prestressed reinforcement concrete, and is especially suitable to be used for the hollow beamless and multi-ribbed floor covers.

Description

A kind of combined reinforced bar concrete cassette ceiling

The application for the applying date be that January 6, application number in 2004 are 200410002317.5, name is called the dividing an application of application for a patent for invention of " a kind of combined reinforced bar concrete cassette ceiling ".

(1) technical field

The present invention relates to a kind of combined reinforced bar concrete cassette ceiling.

(2) background technology

The most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as floor structure at present, this floor structure has advantages such as speed of application is fast, cost is low, but owing to firmly do not link between adjacent two precast hollow slabs, only use cement mortar blind, thereby not only globality is poor, be unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur, put to no little inconvenience and psychological pressure to resident family.In order to address the above problem, a lot of building have adopted the method for Cast-in-place concrete floor (hollow, solid).Though the Cast-in-place concrete floor has solved antidetonation and problems of crack, when construction, to use a large amount of templates, like this, not only increased expense, and the speed of application that slowed down, prolonged the duration.The patent No. is ZL00203695.9's " combination concrete hidden rib floor structure " utility model patent, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is horizontal positioned at interval, is fixed with formwork on prefabricated plate, is provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connect as one with dark rib, this kind floor structure no longer needs to use template in a large number, has accelerated speed of application, shorten the duration, thereby reduced cost.But formed cast-in-place concrete hidden rib is the Cast-in-place concrete rib of rectangle between the shuttering member in this floor structure, and its stress performance is not quite reasonable, often need increase the sectional dimension of cast-in-place concrete hidden rib, increases reinforcing bar and concrete consumption, increases the cost of superstructure.Therefore, develop a kind of novel combined reinforced bar concrete cassette ceiling for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of combined reinforced bar concrete cassette ceiling, have that mechanical property is good, the sectional dimension that reduces cast-in-place concrete hidden rib, reduce reinforcing bar and concrete consumption, reduce characteristics such as floor cost, easy construction.

Solution of the present invention is on the basis of existing technology, comprise prefabricated plate, formwork, dark rib, upper plate, be fixed with formwork on prefabricated plate, be provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connect as one with dark rib, it is characterized in that described prefabricated plate is littler than the formwork of fixing on it, in the formwork bottom surface, contract, formed inner corner trim, cast-in-place concrete hidden rib has then formed the cast-in-place concrete hidden rib of inverted T-shaped, and the top rotation angle position of formwork is provided with inner corner trim.Like this, because prefabricated plate is littler than the formwork of fixing on it, in the formwork bottom surface, contract, formed inner corner trim, cast-in-place concrete hidden rib has then formed the cast-in-place concrete hidden rib of inverted T-shaped, thereby the mechanical property of floor improves greatly, can reduce the sectional dimension of cast-in-place concrete hidden rib, reduce reinforcing bar and concrete consumption, reduce the floor cost, in addition, floor also has simple in structure, the intensity height, resistance to deformation, the anti-vibration performance is good, it is easy and convenient to construct, cost is low, characteristics such as speed of application is fast, thereby reached purpose of the present invention, be applicable to the various hollow building covers of cast-in-situ reinforced concrete or prestressed reinforced concrete, roof system, body of wall, sole plate and hollow bridges are used, and are particularly useful for hollow arch without beam and close rib building roof and use.

Feature of the present invention also be described prefabricated plate around all little than formwork, in the formwork bottom surface, contract, formed inner corner trim at the bottom of the ring, cast-in-place concrete hidden rib has then all formed the cast-in-place concrete hidden rib of inverted T-shaped.Like this, cast-in-place concrete hidden rib has all formed the cast-in-place concrete hidden rib of inverted T-shaped, has advantages such as intensity height, rigidity is big, fracture resistance is good, simultaneously, also formwork and prefabricated plate firmly is mounted in the Cast-in-place concrete, has improved the overall performance and the combination property of floor.

Feature of the present invention is that also described formwork and prefabricated plate contact site are provided with inner corner trim, have formed compound inner corner trim with prefabricated plate.Like this, after Cast-in-place concrete pours in the compound inner corner trim, have advantages such as intensity height, rigidity is big, fracture resistance is good, simultaneously, also formwork and prefabricated plate firmly are mounted in the Cast-in-place concrete, improved the overall performance and the combination property of floor.

Feature of the present invention also is to contain reinforce at least one of described prefabricated plate or formwork.Reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, porose thin band, strap, the braid over braid etc.Like this, contain above-mentioned reinforce in prefabricated plate or the formwork, improved their strength and stiffness greatly, corresponding intensity and the rigidity that has improved floor.

Feature of the present invention is that also described reinforce exposes outside prefabricated plate or the formwork, and stretches into anchoring in the Cast-in-place concrete.Like this, the reinforce that exposes on prefabricated plate or the formwork and Cast-in-place concrete anchoring in conjunction with after, prefabricated plate or formwork combined with Cast-in-place concrete formed integral body, improved the adhesion stress between Cast-in-place concrete and prefabricated plate or the formwork greatly, more difficult each other generation crack, the globality of floor is better.

Feature of the present invention also is also to be provided with on the described formwork groove, and Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib or shearing pier in groove.Like this, the Cast-in-place concrete reinforcing rib has been strengthened the Cast-in-place concrete upper plate in the floor or the intensity and the rigidity of dark rib, makes the floor have better resistance to compression, tension, shock resistance and anti-shearing damage capability, has improved the combination property of floor greatly.

Feature of the present invention is that also the groove on the described formwork is vertical groove, and at least two formworks are close to arrangement each other, and cast-in-place concrete hidden rib has each other then become the shearing pier that forms by in the vertical groove of Cast-in-place concrete on formwork.Like this, after being close to arrangement each other between the formwork, increased substantially the hollow rate of floor, reduced the consumption of Cast-in-place concrete, reduced material cost, simultaneously, cast-in-place concrete hidden rib has been become the shearing pier structure of drawknot Cast-in-place concrete upper plate and prefabricated plate, help improving the shear resistance of floor, make floor have higher cost performance.

Anchoring in the Cast-in-place concrete shearing pier that feature of the present invention also is have reinforce to stretch on the described prefabricated plate and forms in the vertical groove.Like this, after reinforce on the prefabricated plate stretches into the interior anchoring of the Cast-in-place concrete shearing pier that forms in the vertical groove, strengthened the bonding force between prefabricated plate and the Cast-in-place concrete greatly, the situation that significantly reduced prefabricated plate and Cast-in-place concrete mating face cracking, comes off takes place, and makes that the structure of floor is more reasonable.

Feature of the present invention is that also other rotation angle position of described formwork also is provided with inner corner trim, chamfering or arc angle, and Cast-in-place concrete has formed corresponding Cast-in-place concrete reinforcing rib at inner corner trim, chamfering or position, arc angle place.Like this, in the cavity of formwork inside, there is the Cast-in-place concrete reinforcing member that floor is strengthened reinforcing, strengthened the supporting capacity of stressed weak part in the floor greatly, make it to have stronger shock resistance destruction and resistance to compression damage capability.

Feature of the present invention also is pertusate die cavity also is set on the described formwork, and Cast-in-place concrete has formed the Cast-in-place concrete bracing piece in hole.Like this, in the cavity of formwork inside, there is the Cast-in-place concrete reinforcing member that floor is strengthened reinforcing, strengthened the supporting capacity of stressed weak part in the floor greatly, make it to have stronger shock resistance destruction and resistance to compression damage capability.

Feature of the present invention is that also described formwork also is provided with reinforcing rib, bracing boom, stiffening rib or adds in wringing at least one.Like this, after cassette ceiling is applied in the cast-in-situ concrete hollow floor, reinforcing rib, stiffening rib, the bracing boom that is provided with in the formwork or add and wring and can form the cast-in-place and prefabricated composite construction that combines with Cast-in-place concrete optimized the force structure system of hollow cast slab inside.

Feature of the present invention is that also the side of described formwork is extended with the convex module, and cast-in-place concrete hidden rib has formed the cast-in-place concrete hidden rib that the dark rib of truss-like or one side or two are worn truss member.Like this, on cast-in-place concrete hidden rib, formed rod member and made it become the dark rib of truss-like, made dark rib under the prerequisite of increasing section area not, increased substantially resistance to compression, shear strength, improved the supporting capacity of floor, made its combination property better.

Feature of the present invention is that also described prefabricated plate is provided with reinforcing rib.Like this, improved intensity, rigidity and the shock resistance damage capability of prefabricated plate greatly, made it not fragile, improved the total quality of floor building in the process of floor.

Feature of the present invention is that also described prefabricated plate is provided with at least one in suspender member, junction box, light trough box, spool, fire-fighting spraying head or the water pipe.Like this, after formwork is applied in the superstructure, because suspender member or hang built-in fitting or the setting in advance of junction box or spool or light trough box or airduct; made things convenient for the installation of various relevant devices in the superstructure; simultaneously, can prevent to knock destruction effectively, the overall performance of protection superstructure afterwards.

Feature of the present invention is that also described prefabricated plate is provided with the air-conditioning air grille, has air conditioning wind pipe to be attached thereto in the floor.Like this, air conditioning wind pipe is placed floor inside, reduced air conditioning wind pipe and taken architectural space, increased effective usage space of building, under square one, reduced the height of building, make floor reasonable more economically.

Feature of the present invention also is to be provided with connector between described formwork and the prefabricated plate, and it is fixing to be connected to each other.Connector is at least a in iron wire, weldment, thin band, bolt, male and female groove, tenon cover, hinge, cutting ferrule, the latch etc.Like this, when hollow cast slab was constructed, connector can be controlled the distance between the formwork effectively, reliably, the width and the height of control Cast-in-place concrete rib, the pouring quality of assurance superstructure internal construction; Simultaneously, also help formwork connection location each other, perhaps constitute member in groups, accelerate speed of application.

Feature of the present invention is that also in described prefabricated plate and the formwork at least one is provided with the carrying part.Like this, can very easily prefabricated plate or formwork be piled up, transport, lift and construct, reduce the work difficulty and the working strength of above-mentioned operation, help improving efficiency of construction, reduce construction cost.

Feature of the present invention is that also described formwork is opening or closed hollow formwork or light solid formwork.Like this, in work progress,, can rationally select above-mentioned formwork for use, make things convenient for the needs of practical application according to the different functions of use and the designing requirement of floor.

It is two or more that feature of the present invention is that also the same prefabricated plate of described formwork is provided with, and is close to each other to arrange or the arrangement of alternate certain distance.Like this, the same prefabricated plate of formwork is provided with two or more, accelerated the laying speed of shuttering member greatly, improved efficiency of construction, reduced construction cost, simultaneously, also make the shuttering member of floor inside lay normative and reasonable more, strengthened in work progress controllability the floor pouring quality.

Feature of the present invention also is described prefabricated plate or formwork self or is arranged in a linear each other or is staggered.Like this, difference by prefabricated plate or formwork is arranged the laying mode, formed the inside Cast-in-place concrete load-carrying construction parts of various different structure forms, can fully satisfy the various different instructions for uses of floor, thereby made that the stressed force transferring structure mode of floor is more reasonable.

Feature of the present invention also is to be provided with the stationary positioned member at least one of described prefabricated plate or formwork.The stationary positioned member can be draw ring, drag hook, iron wire, feet, small lugs, little protruding nail or other device.Like this, when cassette ceiling is constructed, can accurately locate, prevent that cassette ceiling phenomenon such as each member dislocation or come-up when building concrete from producing, and guaranteed the pouring quality of superstructure effectively members such as formwork in the cassette ceiling or reinforcing bars.

Feature of the present invention also is to be provided with between described at least two formworks a spacer draw piece.Between the spacer draw piece can be rod member, rope, plate, muscle, silk, thin band, piece, pier etc.Like this, the cassette ceiling construction is laid more convenient, and a spacer draw piece can be fixed or movable spacer draw piece.After formwork installs, if active interval support draw piece can reclaim secondary with the dismounting of flexible staybolt draw piece and use, reduce the cost of production of cassette ceiling, simultaneously, behind the dismantling bay spacer draw piece, reinforcing bar can be laid in the internal-rib die cavity very easily, and it is more convenient to construct, and efficiency of construction is higher.

Feature of the present invention also is to be provided with presstressed reinforcing steel or reinforcing bar in described dark rib, the upper plate at least one.Like this, in dark rib in the floor or the upper plate presstressed reinforcing steel or reinforcing bar are set after, the supporting capacity of floor has obtained increasing substantially, particularly presstressed reinforcing steel is set after, make floor become prestressed cored slab, its combination property is more superior than common cast-in-place hollow slab.

Feature of the present invention also is to be provided with between the described formwork dark beam or bright beam.Like this, the Stress Transfer that dark beam that is provided with between the formwork or bright beam produce in the time of can be with the floor bearing load is to structural column, play the effect of concentrated power transmission, also played that structural column or wall are linked as whole effect simultaneously, increased substantially the combination property of floor.

Feature of the present invention also is to be provided with presstressed reinforcing steel or reinforcing bar at least one of described dark beam or bright beam.Like this, in dark beam or bright beam, presstressed reinforcing steel or reinforcing bar are set after, intensity, rigidity, resistance to compression, the shear resistance of dark beam or bright beam all obtained significantly strengthening, and also improved the supporting capacity of floor simultaneously greatly.

Feature of the present invention is that also described presstressed reinforcing steel is prestressed reinforcement or prestress wire.Like this, adopt prestressed reinforcement or prestress wire, have material and be easy to get as presstressed reinforcing steel, characteristics such as cost is low, easy to utilize.

Feature of the present invention is that also described reinforcing bar is cold-rolled forming section, channel-section steel or i shaped steel.Like this, when reinforcing bar is above-mentioned shaped steel and after Cast-in-place concrete combines, have good intensity and rigidity, improved the supporting capacity of cassette ceiling greatly.

Feature of the present invention also be described cold-rolled forming section reinforcing bar be C type, L type, Type, U type,

Type,

Type.Like this, when the cold-rolled forming section bone is above-mentioned shape, have selection conveniently, can satisfy the different needs of design and construction.

(4) description of drawings

Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 be prefabricated plate, 2 for formwork, 3 for dark rib, 4 for upper plate, 5 for inner corner trim, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connects as one with dark rib 3, its described prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete.

Fig. 2 is the structural representation of the embodiment of the invention 2, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is the solid light formwork.

Fig. 3 is the structural representation of the embodiment of the invention 3, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is from the formwork as sealing.

Fig. 4 is the structural representation of the embodiment of the invention 4, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is provided with inner corner trim 5 with prefabricated plate 1 contact site, has formed compound inner corner trim 5 with prefabricated plate 1.

Fig. 5 is the structural representation of the embodiment of the invention 5, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, formwork 2 is provided with inner corner trim with prefabricated plate 1 contact site, form compound inner corner trim 5 with prefabricated plate 1, contained reinforce 6 in its described prefabricated plate 1.Diagram reinforce 6 is the metal foil band.

Fig. 6 is the structural representation of the embodiment of the invention 6, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, all contained reinforce 6 in the wall of prefabricated plate 1 and formwork 2, reinforce 6 in its described prefabricated plate 1 exposes outside the prefabricated plate 1, and stretches into anchoring in the Cast-in-place concrete.

Fig. 7 is the structural representation of the embodiment of the invention 7, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with groove 7 on its described formwork 2, Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib 8 in groove 7.

Fig. 8 is the structural representation of the embodiment of the invention 8, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, upper plate 4 covers on the formwork 2, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with groove 7 on the formwork 2, its described groove 7 is vertical groove, and a plurality of formworks 2 are close to arrangement each other, and cast-in-place concrete hidden rib 3 has each other become the shearing pier 9 that forms by in the vertical groove 7 of Cast-in-place concrete on formwork 2.

Fig. 9 is the structural representation of the embodiment of the invention 9, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, upper plate 4 covers on the formwork 2, and prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with reinforce 6 in the prefabricated plate 1, also be provided with groove 7 on the formwork 2, its described reinforce 6 stretches into anchoring in the Cast-in-place concrete shearing pier 9 that forms in the vertical groove 7.

Figure 10 is the structural representation of the embodiment of the invention 10, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, other rotation angle position of its described formwork 2 also is provided with chamfering 10, and Cast-in-place concrete has formed corresponding Cast-in-place concrete reinforcing rib 8 at position, chamfering 10 place.

Figure 11 is the structural representation of the embodiment of the invention 11, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, other rotation angle position of its described formwork 2 also is provided with inner corner trim 5 and arc angle 11 simultaneously, and Cast-in-place concrete has formed corresponding Cast-in-place concrete reinforcing rib 8 at inner corner trim 5 and position, arc angle 11 place.

Figure 12 is the structural representation of the embodiment of the invention 12, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with the die cavity that forms hole 12 on its described formwork 2, Cast-in-place concrete has formed Cast-in-place concrete bracing piece 13 in hole 12.

Figure 13 is the structural representation of the embodiment of the invention 13, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with reinforcing rib 8, bracing boom 14, stiffening rib 15 on its described formwork 2 simultaneously and add and wring 16.

Figure 14 is the structural representation of the embodiment of the invention 14, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, the side of its described formwork 2 is extended with convex module 17, pours into the cast-in-place concrete hidden rib 3 that has formed the band truss member behind the concrete.

Figure 15 is the structural representation of the embodiment of the invention 15, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described prefabricated plate 1 is provided with reinforcing rib 8.

Figure 16 is the structural representation of the embodiment of the invention 16, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with suspender member 18, light trough box 20 and spool 21 simultaneously on its described prefabricated plate 1.

Figure 17 is the structural representation of the embodiment of the invention 17, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with junction box 19, spool 21, fire-fighting spraying head 22 and water pipe 23 simultaneously on its described prefabricated plate 1.

Figure 18 is the structural representation of the embodiment of the invention 18, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with air-conditioning air grille 24 simultaneously on its described prefabricated plate 1, simultaneously, there is air conditioning wind pipe 25 to be attached thereto in the floor.

Figure 19 is the structural representation of the embodiment of the invention 19, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with connector 26 between its described formwork 2 and the prefabricated plate 1, and it is fixing to be connected to each other.Diagram connector 26 is an iron wire.

Figure 20 is the structural representation of the embodiment of the invention 20, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is provided with carrying part 27, and diagram carrying part 27 is handle.

Figure 21 is the structural representation of the embodiment of the invention 21, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 same prefabricated plates 1 are provided with a plurality of, are close to arrangement each other.

Figure 22 is the structural representation of the embodiment of the invention 22, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described prefabricated plate 1 and formwork 2 self and arranged interlaced with each other.

Figure 23 is the structural representation of the embodiment of the invention 23, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is provided with stationary positioned member 28, and illustrated position member 28 is a locating piece.

Figure 24 is the structural representation of the embodiment of the invention 24, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with a spacer draw piece 29 between its described adjacent formwork 2, spacer draw piece 29 is a rod member between diagram.

Figure 25 is the structural representation of the embodiment of the invention 25, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with presstressed reinforcing steel 30 and reinforcing bar 31 simultaneously in its described dark rib 3.

Figure 26 is the structural representation of the embodiment of the invention 26, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with bright beam 33 between its described formwork 2.

(5) specific embodiment

The present invention is further illustrated below in conjunction with drawings and Examples.

The present invention as shown in drawings, comprise prefabricated plate 1, formwork 2, dark rib 3, upper plate 4, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 or the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, it is characterized in that described prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5,3 of cast-in-place concrete hidden ribs have formed the cast-in-place concrete hidden rib of inverted T-shaped, and the top rotation angle position of formwork 2 is provided with inner corner trim 5.Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 be prefabricated plate, 2 for formwork, 3 for dark rib, 4 for upper plate, 5 for inner corner trim, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connects as one with dark rib 3, its described prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete.Fig. 2 is the structural representation of the embodiment of the invention 2, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is the solid light formwork.Fig. 3 is the structural representation of the embodiment of the invention 3, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is from the formwork as sealing.As shown in figure 11, the top rotation angle position of formwork 2 is provided with inner corner trim 5.

Feature of the present invention also be described prefabricated plate 1 around all little than formwork 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5 at the bottom of the ring, 3 of cast-in-place concrete hidden ribs have all formed the cast-in-place concrete hidden rib of inverted T-shaped.As shown in Figure 3, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, all little around its described prefabricated plate 1 than formwork 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5 at the bottom of the ring, pour into the cast-in-place concrete hidden rib 3 that has all formed inverted T-shaped behind the concrete.

Feature of the present invention is that also described formwork 2 is provided with inner corner trim with prefabricated plate 1 contact site, has formed compound inner corner trim 5 with prefabricated plate 1.Fig. 4 is the structural representation of the embodiment of the invention 4, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is provided with inner corner trim 5 with prefabricated plate 1 contact site, has formed compound inner corner trim 5 with prefabricated plate 1.

Feature of the present invention also is to contain reinforce 6 at least one of described prefabricated plate 1 or formwork 2.Reinforce 6 is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, porose thin band, strap, the braid over braid etc.Fig. 5 is the structural representation of the embodiment of the invention 5, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, formwork 2 is provided with inner corner trim with prefabricated plate 1 contact site, form compound inner corner trim 5 with prefabricated plate 1, contained reinforce 6 in its described prefabricated plate 1.Diagram reinforce 6 is the metal foil band.

Feature of the present invention is that also described reinforce 6 exposes outside prefabricated plate 1 or the formwork 2, and stretches into anchoring in the Cast-in-place concrete.Fig. 6 is the structural representation of the embodiment of the invention 6, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, all contained reinforce 6 in the wall of prefabricated plate 1 and formwork 2, reinforce 6 in its described prefabricated plate 1 exposes outside the prefabricated plate 1, and stretches into anchoring in the Cast-in-place concrete.

Feature of the present invention also is also to be provided with groove 7 on the described formwork 2, and Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib 8 or shearing pier 9 in groove 7.Fig. 7 is the structural representation of the embodiment of the invention 7, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with groove 7 on its described formwork 2, Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib 8 in groove 7.

Feature of the present invention is that also the groove 7 on the described formwork 2 is vertical groove, and at least two formworks 2 are close to arrangement each other, and 3 of cast-in-place concrete hidden ribs have each other become the shearing pier 9 that forms by in the vertical groove 7 of Cast-in-place concrete on formwork 2.Fig. 8 is the structural representation of the embodiment of the invention 8, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, upper plate 4 covers on the formwork 2, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with groove 7 on the formwork 2, its described groove 7 is vertical groove, and a plurality of formworks 2 are close to arrangement each other, and cast-in-place concrete hidden rib 3 has each other become the shearing pier 9 that forms by in the vertical groove 7 of Cast-in-place concrete on formwork 2.

Anchorings in the Cast-in-place concrete shearing pier 9 that feature of the present invention also is to have reinforce 6 to stretch into formation in the vertical groove 7 on the described prefabricated plate 1.Fig. 9 is the structural representation of the embodiment of the invention 9, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, upper plate 4 covers on the formwork 2, and prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with reinforce 6 in the prefabricated plate 1, also be provided with groove 7 on the formwork 2, its described reinforce 6 stretches into anchoring in the Cast-in-place concrete shearing pier 9 that forms in the vertical groove 7.

Feature of the present invention is that also other rotation angle position of described formwork 2 also is provided with inner corner trim 5, chamfering 10 or arc angle 11, and Cast-in-place concrete has formed corresponding Cast-in-place concrete reinforcing rib 8 at inner corner trim 5, chamfering 10 or position, arc angle 11 place.Figure 10 is the structural representation of the embodiment of the invention 10, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, other rotation angle position of its described formwork 2 also is provided with chamfering 10, and Cast-in-place concrete has formed corresponding Cast-in-place concrete reinforcing rib 8 at position, chamfering 10 place.Figure 11 is the structural representation of the embodiment of the invention 11, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, other rotation angle position of its described formwork 2 also is provided with inner corner trim 5 and arc angle 11 simultaneously, and Cast-in-place concrete has formed corresponding Cast-in-place concrete reinforcing rib 8 at inner corner trim 5 and position, arc angle 11 place.

Feature of the present invention also is also to be provided with on the described formwork 2 die cavity of hole 12, and Cast-in-place concrete has formed Cast-in-place concrete bracing piece 13 in hole 12.Figure 12 is the structural representation of the embodiment of the invention 12, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with the die cavity that forms hole 12 on its described formwork 2, Cast-in-place concrete has formed Cast-in-place concrete bracing piece 13 in hole 12.

Feature of the present invention is that also described formwork 2 also is provided with reinforcing rib 8, bracing boom 14, stiffening rib 15 or adds at least one of wringing in 16.Figure 13 is the structural representation of the embodiment of the invention 13, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with reinforcing rib 8, bracing boom 14, stiffening rib 15 on its described formwork 2 simultaneously and add and wring 16.

Feature of the present invention is that also the side of described formwork 2 is extended with convex module 17, and cast-in-place concrete hidden rib 3 has formed the cast-in-place concrete hidden rib that the dark rib of truss-like or one side or two are worn truss member.Figure 14 is the structural representation of the embodiment of the invention 14, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, the side of its described formwork 2 is extended with convex module 17, pours into the cast-in-place concrete hidden rib 3 that has formed the band truss member behind the concrete.

Feature of the present invention is that also described prefabricated plate 1 is provided with reinforcing rib 8.Figure 15 is the structural representation of the embodiment of the invention 15, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described prefabricated plate 1 is provided with reinforcing rib 8.

Feature of the present invention is that also described prefabricated plate 1 is provided with at least one in suspender member 18, junction box 19, light trough box 20, spool 21, fire-fighting spraying head 22 or the water pipe 23.Figure 16 is the structural representation of the embodiment of the invention 16, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with suspender member 18, light trough box 20 and spool 21 simultaneously on its described prefabricated plate 1.Figure 17 is the structural representation of the embodiment of the invention 17, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with junction box 19, spool 21, fire-fighting spraying head 22 and water pipe 23 simultaneously on its described prefabricated plate 1.

Feature of the present invention is that also described prefabricated plate 1 is provided with air-conditioning air grille 24, has air conditioning wind pipe 25 to be attached thereto in the floor.Figure 18 is the structural representation of the embodiment of the invention 18, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with air-conditioning air grille 24 simultaneously on its described prefabricated plate 1, simultaneously, there is air conditioning wind pipe 25 to be attached thereto in the floor.

Feature of the present invention also is to be provided with connector 26 between described formwork 2 and the prefabricated plate 1, and it is fixing to be connected to each other.Connector 26 is at least a in iron wire, weldment, thin band, bolt, male and female groove, tenon cover, hinge, cutting ferrule, the latch etc.Figure 19 is the structural representation of the embodiment of the invention 19, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with connector 26 between its described formwork 2 and the prefabricated plate 1, and it is fixing to be connected to each other.Diagram connector 26 is an iron wire.

Feature of the present invention is that also in described prefabricated plate 1 and the formwork 2 at least one is provided with carrying part 27.Figure 20 is the structural representation of the embodiment of the invention 20, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is provided with carrying part 27, and diagram carrying part 27 is handle.

Feature of the present invention is that also described formwork 2 is opening or closed hollow formwork or light solid formwork.As shown in figure 20, a plurality of prefabricated plates 1 are horizontally disposed with at interval, are fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connects as one with dark rib 3, and prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, formwork 2 is provided with carrying part 27, diagram carrying part 27 is handle, and its described formwork 2 is the light solid formwork.

It is two or more that feature of the present invention is that also described formwork 2 same prefabricated plates 1 are provided with, and is close to each other to arrange or the arrangement of alternate certain distance.Figure 21 is the structural representation of the embodiment of the invention 21, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 same prefabricated plates 1 are provided with a plurality of, are close to arrangement each other.

Feature of the present invention also is described prefabricated plate 1 or formwork 2 self or is arranged in a linear each other or is staggered.Figure 22 is the structural representation of the embodiment of the invention 22, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described prefabricated plate 1 and formwork 2 self and arranged interlaced with each other.

Feature of the present invention also is to be provided with stationary positioned member 28 at least one of described prefabricated plate 1 or formwork 2.Figure 23 is the structural representation of the embodiment of the invention 23, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, its described formwork 2 is provided with stationary positioned member 28, and illustrated position member 28 is a locating piece.

Feature of the present invention also is to be provided with between described at least two formworks 2 a spacer draw piece 29.Figure 24 is the structural representation of the embodiment of the invention 24, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with a spacer draw piece 29 between its described adjacent formwork 2, spacer draw piece 29 is a rod member between diagram.

Feature of the present invention also is to be provided with presstressed reinforcing steel 30 or reinforcing bar 31 in described dark rib 3, the upper plate 4 at least one.Figure 25 is the structural representation of the embodiment of the invention 25, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with presstressed reinforcing steel 30 and reinforcing bar 31 simultaneously in its described dark rib 3.

Feature of the present invention also is to be provided with between the described formwork 2 dark beam 32 or bright beam 33.Figure 26 is the structural representation of the embodiment of the invention 26, a plurality of prefabricated plates 1 are horizontally disposed with at interval, be fixed with formwork 2 on prefabricated plate 1, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, has formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, also be provided with bright beam 33 between its described formwork 2.

Feature of the present invention also is to be provided with presstressed reinforcing steel 30 or reinforcing bar 31 at least one of described dark beam 32 or bright beam 33.As shown in figure 26, a plurality of prefabricated plates 1 are horizontally disposed with at interval, are fixed with formwork 2 on prefabricated plate 1, are provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, contracts in formwork 2 bottom surfaces, formed inner corner trim 5, pour into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with bright beam 33 between the formwork 2, also be provided with presstressed reinforcing steel 30 and reinforcing bar 31 simultaneously in its described bright beam 33.

Feature of the present invention is that also described presstressed reinforcing steel 30 is prestressed reinforcement or prestress wire.As shown in figure 26, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with bright beam 33 between the formwork 2, also be provided with presstressed reinforcing steel 30 and reinforcing bar 31 in the bright beam 33 simultaneously, its described presstressed reinforcing steel 30 is a prestressed reinforcement.

Feature of the present invention is that also described reinforcing bar 31 is cold-rolled forming section, channel-section steel or i shaped steel.As shown in figure 26, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with bright beam 33 between the formwork 2, also be provided with presstressed reinforcing steel 30 and reinforcing bar 31 in the bright beam 33 simultaneously, its described reinforcing bar 31 is an i shaped steel.

Feature of the present invention also be described cold-rolled forming section reinforcing bar 31 for C type, L type,

Type, U type,

Type, Type.As shown in figure 25, a plurality of prefabricated plates 1 are horizontally disposed with at interval, on prefabricated plate 1, be fixed with formwork 2, be provided with dark rib 3 between contiguous prefabricated thin plate 1 and the formwork 2, upper plate 4 covers on the formwork 2, and connect as one with dark rib 3, prefabricated plate 1 is littler than the formwork of fixing on it 2, in formwork 2 bottom surfaces, contract, form inner corner trim 5, poured into the cast-in-place concrete hidden rib 3 that has formed inverted T-shaped behind the concrete, be provided with dark beam 32 between the formwork 2, also be provided with presstressed reinforcing steel 30 and reinforcing bar 31 simultaneously in the dark beam 32, its described reinforcing bar 31 is a U-shaped shaped steel.

During the invention process, at first lay template, on template, lay prefabricated plate 1 then, fixedly formwork 2 is on prefabricated plate 1, form inner corner trim 5, then, lay rib and gluten and inner relevant pipeline, after the inspection, build concrete, treat its setting and harden after, maintenance is to stipulating the length of time, remove bracing frame and template, promptly obtain described floor.

Claims (10)

1, a kind of combined reinforced bar concrete cassette ceiling, comprise prefabricated plate (1), formwork (2), dark rib (3), upper plate (4), on prefabricated plate (1), be fixed with formwork (2), be provided with dark rib (3) between contiguous prefabricated thin plate (1) or the formwork (2), upper plate (4) covers on the formwork (2), and connect as one with dark rib (3), it is littler than the formwork of fixing on it (2) to it is characterized in that described prefabricated plate (1), in formwork (2) bottom surface, contract, formed inner corner trim (5), cast-in-place concrete hidden rib (3) has then formed the cast-in-place concrete hidden rib of inverted T-shaped, and the top rotation angle position of formwork (2) is provided with inner corner trim (5).

2, a kind of combined reinforced bar concrete cassette ceiling according to claim 1, it is characterized in that all little of described prefabricated plate (1) all around than formwork (2), contract in formwork (2) bottom surface, formed inner corner trim (5) at the bottom of the ring, cast-in-place concrete hidden rib (3) has then all formed the cast-in-place concrete hidden rib of inverted T-shaped.

3, a kind of combined reinforced bar concrete cassette ceiling according to claim 1 is characterized in that described formwork (2) and prefabricated plate (1) contact site are provided with inner corner trim, have formed compound inner corner trim (5) with prefabricated plate (1).

4, a kind of combined reinforced bar concrete cassette ceiling according to claim 1 is characterized in that containing reinforce (6) at least one of described prefabricated plate (1) or formwork (2); Perhaps reinforce (6) exposes outside prefabricated plate (1) or the formwork (2), and stretches into anchoring in the Cast-in-place concrete.

5, according to the described a kind of combined reinforced bar concrete cassette ceiling of arbitrary claim in the claim 1 to 4, it is characterized in that also being provided with on the described formwork (2) groove (7), Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib (8) or shearing pier (9) in groove (7); Perhaps the groove (7) on the formwork (2) is vertical groove, and at least two formworks (2) are close to arrangement each other, and cast-in-place concrete hidden rib (3) has each other then become the shearing pier (9) that forms by in the vertical groove (7) of Cast-in-place concrete on formwork (2); Perhaps there is reinforce (6) to stretch into the interior anchoring of Cast-in-place concrete shearing pier (9) that forms in the vertical groove (7) on the prefabricated plate (1).

6, according to the described a kind of combined reinforced bar concrete cassette ceiling of arbitrary claim in the claim 1 to 4, other rotation angle position that it is characterized in that described formwork (2) also is provided with inner corner trim (5), chamfering (10) or arc angle (11), and Cast-in-place concrete has formed corresponding Cast-in-place concrete reinforcing rib (8) at inner corner trim (5), chamfering (10) or arc angle (11) position, place; Perhaps also be provided with the die cavity of hole (12) on the formwork (2), Cast-in-place concrete has formed Cast-in-place concrete bracing piece (13) in hole (12); Perhaps formwork (2) also is provided with reinforcing rib (8), bracing boom (14), stiffening rib (15) or adds at least one of wringing in (16); Perhaps the side of formwork (2) is extended with convex module (17), and cast-in-place concrete hidden rib (3) has formed the cast-in-place concrete hidden rib that the dark rib of truss-like or one side or two are worn truss member.

7, according to the described a kind of combined reinforced bar concrete cassette ceiling of arbitrary claim in the claim 1 to 4, it is characterized in that described prefabricated plate (1) is provided with reinforcing rib (8); Perhaps prefabricated plate (1) is provided with at least one in suspender member (18), junction box (19), light trough box (20), spool (21), fire-fighting spraying head (22) or the water pipe (23); Perhaps prefabricated plate (1) is provided with air-conditioning air grille (24), has air conditioning wind pipe (25) to be attached thereto in the floor; Perhaps be provided with connector (26) between formwork (2) and the prefabricated plate (1), and it is fixing to be connected to each other.

8,, it is characterized in that in described prefabricated plate (1) and the formwork (2) at least one is provided with carrying part (27) according to the described a kind of combined reinforced bar concrete cassette ceiling of arbitrary claim in the claim 1 to 4; Perhaps formwork (2) is opening or closed hollow formwork or light solid formwork; Perhaps the same prefabricated plate of formwork (2) (1) is provided with two or morely, is close to each other and arranges or alternate certain distance is arranged; Perhaps prefabricated plate (1) or formwork (2) self or be arranged in a linear each other or be staggered.

9,, it is characterized in that being provided with stationary positioned member (28) at least one of described prefabricated plate (1) or formwork (2) according to the described a kind of combined reinforced bar concrete cassette ceiling of arbitrary claim in the claim 1 to 4; Perhaps be provided with a spacer draw piece (29) between at least two formworks (2); Be provided with presstressed reinforcing steel (30) or reinforcing bar (31) in perhaps dark rib (3), the upper plate (4) at least one.

10, according to the described a kind of combined reinforced bar concrete cassette ceiling of arbitrary claim in the claim 1 to 4, it is characterized in that being provided with between the described formwork (2) dark beam (32) or bright beam (33); Be provided with presstressed reinforcing steel (30) or reinforcing bar (31) at least one of perhaps dark beam (32) or bright beam (33); Perhaps presstressed reinforcing steel (30) is prestressed reinforcement or prestress wire; Perhaps reinforcing bar (31) is cold-rolled forming section, channel-section steel or i shaped steel; Perhaps cold-rolled forming section reinforcing bar (31) be C type, L type,

Type, U type,

Type,

Type.

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