CN1796682A - Hollow plate fabricated from reinforcing steel bar concrete - Google Patents

Abstract

A steel concrete hollow slab consists of steel concrete and hollow component contained in steel concrete. It is featured as arranging hollow components alternatively and laying cast - in - place steel concrete between them, forming cast - in - place steel concrete internal rib in cast - in - place structure internal rib mould cavity and connecting it to cast - in - place steel concrete rib, setting at least one edge of contact part of hollow cavity mould shell of hollow component to its bottom plate to be neck - in groove and relevant cast - in - place steel concrete rib to be inversed T form rib.

Description

A kind of concrete hollow board

(1) technical field

The present invention relates to a kind of concrete hollow board.

(2) background technology

Advantages such as at present, the building of brick mix structure and reinforced concrete structure major part adopts precast hollow slab as concrete hollow board, and it is fast that this concrete hollow board has speed of application, and cost is low.But, only use the cement mortar joint filling, thereby globality is poor, is unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur owing to firmly do not link between adjacent two precast hollow slabs.In order to address the above problem, a lot of building have adopted the method for Cast-in-place concrete floor (solid, hollow), though solved antidetonation and problems of crack, will use template in a large number during construction, have not only increased expense, and have slowed down speed of application, have prolonged the duration.Application number is " a kind of combination concrete rib steel reinforcement concrete hollow plate " utility model patent of 00203695.9, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is placed at interval, on prefabricated plate, be fixed with formwork, be provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connects as one with dark rib.Though this concrete hollow board can be saved a large amount of templates, accelerate construction progress, but because formwork is what to separate with prefabricated plate, its strength and stiffness are corresponding relatively poor, thereby the problem that exists formwork easily to break, simultaneously, formwork is fixed on and does not relate to concrete fixed form on the prefabricated plate, thereby fixed in place is difficult.And the patent No. is 93206310.1 shuttering member utility model patent, it constitutes hollow mould shell by sidewall and formwork upper plate and is connected to form totally-enclosed cavity polyhedral structure with lower shoe again, prefabricated ribs is arranged in it, during use member is placed on the supporter of floor gap, formation bonded to one another is whole between cast-in-place main rib, the shuttering member.When this kind member uses, be a kind of prefabricated noggin piece purely, the ribs in the die housing only is used to support formwork, can not participate in the whole stressed of superstructure.And when being applied in than the large spatial structure superstructure, its stress performance is also phase strain differential thereupon, do not have time rib between the cast-in-place main rib and connect, thereby make the size of main rib need the phase strain big, or the quantity of main rib increases, and causes material usage to increase, and cost increases.For this reason, the applicant has applied for that November 15 calendar year 2001 publication number is that CN1349028A, name are called " a kind of use for cover of storied building in space structure combination rib hollow unit " patent of invention, its disclosed hollow unit includes formwork and structure base plate, hollow mould shell and structure base plate connect into integral body, it is characterized in that having 2 hollow mould shells on the structure base plate at least alternately, its side and structure base plate constitute at least one cast-in-place structural time rib die cavity, and other lateral surface of hollow mould shell constitutes the side template of cast-in-place structural main rib or beam or wall.Like this, because on the prior art basis, at least 2 hollow mould shells and at least 1 cast-in-place structural time rib die cavity are arranged on the structure base plate, when hollow unit is applied to building cover structure, on the structure base plate, just can form cast-in-situ concrete structure time rib, fellowship structure base plate, main rib, upper plate stressed, form two-way main rib time rib force structure, problems of the prior art have not only been solved, but also overall performance, the anti-seismic performance of superstructure have further been improved, reduce the thickness of superstructure, alleviated dead load, reduced cost.After but this hollow unit is applied to hollow building cover, because formed Cast-in-place concrete rib is the rib of rectangle, its stress performance is not quite reasonable, often need increase the sectional dimension of rib, increase reinforcing bar and concrete consumption, increase the cost of superstructure, therefore, develop a kind of novel a kind of concrete hollow board for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of concrete hollow board, have that mechanical property is good, characteristics such as easy construction, construction cost are low.

Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, hollow unit, hollow unit is wrapped up in and is contained in the steel bar concrete, hollow unit alternately, be the cast-in-situ reinforced concrete rib each other, hollow unit comprises hollow mould shell and base plate, hollow mould shell and base plate connect into integral body, at least individual hollow mould shell is arranged alternately on the base plate, alternate cavity between the hollow mould shell and base plate constitute cast-in-place structural internal-rib die cavity, cast-in-situ reinforced concrete forms the cast-in-situ reinforced concrete internal-rib in cast-in-place structural internal-rib die cavity, and link to each other with the cast-in-situ reinforced concrete rib, what it is characterized in that hollow mould shell and base plate contact site is interior puncture groove at least on one side, and the cast-in-situ reinforced concrete rib of corresponding site or cast-in-situ reinforced concrete internal-rib are the inverted T shape rib.Like this, because puncture groove in hollow mould shell and base plate contact site are set to, in concrete hollow board, the Cast-in-place concrete rib has formed the inverted T-shaped rib, its shape of cross section has become inverted T-shaped by rectangle, thereby the mechanical property of hollowcore slab is improved greatly, can reduce the sectional dimension of Cast-in-place concrete rib, reduce reinforcing bar and concrete consumption, reduce the hollowcore slab construction cost, and, it is more convenient to construct, thereby has solved problems of the prior art preferably, has reached purpose of the present invention, be applicable to the hollowcore slab of various cast-in-situ reinforced concretes or prestressed reinforced concrete, superstructure, roof system, sole plate, body of wall or hollow bridges are used, and are specially adapted to hollow arch without beam and use.

Feature of the present invention is that also the contact site of hollow mould shell and base plate all is interior puncture groove.Like this, in the puncture groove, the Cast-in-place concrete rib had all formed the inverted T-shaped rib, has improved the mechanical property of cast-in-situ concrete structure in concrete poured into, and simultaneously, concrete has significantly reduced the probability of cast-in-place and prefabricated combination interface cracking with the complete build-in of hollow mould shell.

Feature of the present invention is that also described groove is an arc groove.Like this, Cast-in-place concrete can successfully pour into along arc groove, has solved cast-in-situ concrete structure inside and has built leakiness, easily forms phenomenons such as hollowing, bubble, has also eliminated the stress concentration phenomenon simultaneously.

Feature of the present invention also is to be provided with in the cast-in-place structural internal-rib die cavity of described adjacent cavities formwork at least one support draw piece, and the adjacent cavities formwork is connected to each other.Like this, owing in the inferior rib die cavity of adjacent cavities formwork, be provided with the support draw piece, adjacent formwork is connected to each other, hollow mould shell in the hollow unit involves each other by the support draw piece, thereby the intensity of hollow unit and rigidity are bigger, shock resistance is better, and its base plate is frangibility more not, and is more convenient when carrying and construction.

Feature of the present invention is that also described support draw piece is at least a in rod member, rope, pier, pipe, little tube sheet or the sheet spare.Like this, the variation of support draw piece material and structure can be satisfied the different designs requirement of product, and can be according to different needs, adopts reasonable manner to connect.

Feature of the present invention is that also described support draw piece is the broken piece easy to break of easily broken structure.Like this, after hollow unit installed, the support draw piece that can very conveniently fracture simply to make things convenient for the laying construction of reinforcing bar, was accelerated the concrete hollow board speed of application.

Feature of the present invention is that also described support draw piece is movable part or knockdown pieces.Like this, movable or dismountable support draw piece can be after hollow unit installs, and dismounting is reclaimed, and both can prevent base plate fracture or cracking, and recyclable again secondary uses, and reduces the construction cost of concrete hollow board.

Feature of the present invention is that also described support draw piece is the charges that can extract out.Like this, after installation, can extract the support draw piece fast out, improve speed of application, and support the recyclable secondary of draw piece and use, greatly reduce the construction cost of concrete hollow board.

Feature of the present invention also is to be provided with in the described base plate at least one prestressed reinforcement or steel strand.Like this, be provided with the hollow unit of prestressed reinforcement or steel strand in the base plate, the intensity height can produce bigger elastic deformation when being hit and unlikely destruction has the better overall performance, and its base plate is frangibility or cracking more not.

Feature of the present invention is that also other positions of described hollow mould shell are provided with at least one in groove, pit, chamfering, inner corner trim, hole, reinforcing rib, projection, the positive arc angle.Like this, pour into concrete in groove, pit, chamfering, inner corner trim, the hole and form local Cast-in-place concrete and add competent structure, thereby make structure more reasonable.By projection found time in the position that do not stress in the Cast-in-place concrete, raised line, positive arc angle are carried out prefabricated component to weak force part and are strengthened, and can make the mechanical property of concrete hollow board better.

Feature of the present invention is that also described cast-in-place structural internal-rib die cavity has two when above, their parallel each other or quadrature or obliques or form grid.Like this, can form Cast-in-place concrete internal-rib parallel to each other or quadrature or oblique or formation grid style, thereby improve the mechanical property of concrete hollow board.

Feature of the present invention is that also described base plate is provided with reinforcing rib.Like this, the setting of reinforcing rib can improve its rupture strength and rigidity greatly on the base plate, reduces the breakage rate of hollow unit in transportation, stacking or work progress, improves the mechanical property of concrete hollow board.

Feature of the present invention also is to accompany reinforce among described base plate or hollow mould shell or both, reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fleece or cloth, nonwoven, metal foil band, braid over braid, the strap, and perhaps the thickness of slab of base plate is greater than the wall thickness of hollow mould shell.Like this, being provided with the base plate of reinforce and the intensity of hollow mould shell has obtained improving greatly, simultaneously, the reinforce material selected for use when the diversity of reinforce material was convenient to produce, reduce production costs, the thickness of base plate can improve the rupture strength and the rigidity of base plate greatly greater than the wall thickness of hollow mould shell, make it be not easy to fracture or destruction, when also having reinforce to expose, reinforce that exposes and Cast-in-place concrete are in conjunction with having formed integral body, hollow mould shell or base plate firmly are anchored in the concrete hollow board, can improve the overall performance of concrete hollow board greatly.

Feature of the present invention is that also described base plate or hollow mould shell or both are extended with reinforce simultaneously, and is bonded to integral body with Cast-in-place concrete.Like this, the reinforce that stretches out has improved base plate or the bond stress of hollow unit in concrete greatly, can prevent the phenomenon of prefabricated and cast-in-place joint interface cracking effectively.

Feature of the present invention is that also the surface of described hollow mould shell is waveform or zigzag or plucking or other special-shaped rough surface.Like this, increase the contact area of hollow mould shell and Cast-in-place concrete, made it have the better performance that bonds, can solve the problem of prefabricated and cast-in-place joint interface cracking preferably.

Feature of the present invention is that also described hollow mould shell is an inversed taper platform shape hollow mould shell.Like this, can form the Cast-in-place concrete structure of positive taper type, thereby satisfy the construction needs of the different occasions of concrete hollow board.

Feature of the present invention is that also base plate flushes with the lateral surface of hollow mould shell or stretches out the formation bridging piece, stretches out partly for local or all, the bottom surface of base plate flushes with the bottom surface of concrete hollow board.Like this, its bridging piece that stretches out can replace engineering template, saves construction cost, has accelerated speed of application, and the outer edge of toss is arranged to various not syntenies, can effectively disperse concentrated stress, prevents that prefabricated and cast-in-place joint interface from producing the crack.

Feature of the present invention is that also described base plate is pertusate base plate.Like this, can alleviate the weight of base plate greatly, reduce the consumption of material, reduce production costs, can make things convenient for the laying of various pipelines in the concrete hollow board simultaneously.

Feature of the present invention is that also described base plate is provided with the locating structure of the downward tension that connects construction formwork.Locating structure can be draw ring, drag hook, iron wire or other device.Like this,, can prevent the hollow mould shell displacement effectively, guarantee that the internal structure of concrete hollow board adheres to specification by the fixation of locating structure.

Feature of the present invention also is the cavity inside branch of described hollow mould shell or all fills or be pasted with light material.Light material is at least a in foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or the haydite concrete.Like this, improved the shock resistance of hollow mould shell greatly, reduced breakage rate, concrete hollow board also has better sound insulation, heat insulation, fireproof performance simultaneously, and the diversity of light material can conveniently be drawn materials, and reduces production costs.

Feature of the present invention is that also the peripheral contour shape after the combination of described base plate and hollow mould shell is the square bodily form, cuboid, cylindrical, the hexagon bodily form, arc angle polygon or other shape.Like this, the diversity of the peripheral contour shape after the hollow mould shell combination can satisfy the different designs requirement, is convenient to the construction application of concrete hollow board.

Feature of the present invention is that also the monnolithic case size of hollow unit is ascending gradually changing; The wide end in the chamber of the thickness of slab of the base plate of corresponding hollow unit or cast-in-place structural internal-rib die cavity is relatively large, from large to small, carries out the transition to the other end gradually.Like this, can be according to the designing requirement difference of cast-in-situ concrete structure, and adopt above-mentioned hollow mould shell that cast-in-situ concrete structure is done to strengthen in local, to satisfy the design needs.

Feature of the present invention also be described hollow mould shell and base plate ways of connecting for gluedly is connected, is welded to connect, screw connects, cutting ferrule connection or Integratively formed connection.Like this, can in several ways hollow mould shell and base plate be linked into an integrated entity, reduce the production difficulty, enhance productivity the construction cost of corresponding reduction concrete hollow board.

Feature of the present invention also is to be useful on the described base plate location thing that is connected the location with hollow mould shell.Like this, the setting of location thing can make hollow mould shell and base plate accurately locate butt joint, improves the product quality of hollow unit, is convenient to hollow mould shell and fast docks binding, is convenient to the construction of concrete hollow board.

Feature of the present invention also is locating piece, positioning strip, posting, locating slot, locating ring or the reference column of described location thing for protruding.Like this, location thing variation can be satisfied the positioning requirements of different hollow mould shells.

Feature of the present invention is that also hollow mould shell is an outward flanging or to the hollow mould shell of in-flanges.Like this, location thing variation can be satisfied the positioning requirements of different hollow mould shells, makes things convenient for the construction of concrete hollow board.

Feature of the present invention is that also described base plate is steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, the base plate made from stress steel bar concrete, polymer steel bar concrete or wire mesh mortar, the cementitious materials of hollow mould shell is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and hollow mould shell, base plate are made with same material or different materials.Like this, the diversity of hollow mould shell and base plate manufacturing materials can make things convenient for its making to draw materials nearby, reduces production costs the construction cost of corresponding reduction concrete hollow board.

Feature of the present invention also is also to be provided with dark beam in the described concrete hollow board or/and bright beam.Like this, the mechanical property of hollowcore slab is better, helps that local pressure in the cast-in-situ reinforcing steel bar concrete hollow slab is increased the district and strengthens; When being provided with dark beam, also can strengthen the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab, simultaneously, dark beam lies in cast-in-situ reinforcing steel bar concrete hollow slab inside, the external structure that does not influence cast-in-situ reinforcing steel bar concrete hollow slab is attractive in appearance, do not take the usage space of building during use, can improve the usage space of building effectively.

(4) description of drawings

Fig. 1 is the structural representation of the embodiment of the invention 1.

Fig. 2 is the structural representation of the embodiment of the invention 2.

Fig. 3 is the structural representation of the embodiment of the invention 3.

Fig. 4 is the structural representation of the embodiment of the invention 4.

Fig. 5 is one of structural representation of embodiment of the invention hollow core member 2.

Fig. 6 be embodiment of the invention hollow core member 2 structural representation two.

Fig. 7 be embodiment of the invention hollow core member 2 structural representation three.

Fig. 8 be embodiment of the invention hollow core member 2 structural representation four.

Fig. 9 be embodiment of the invention hollow core member 2 structural representation five.

Figure 10 be embodiment of the invention hollow core member 2 structural representation six.

Figure 11 be embodiment of the invention hollow core member 2 structural representation seven.

Figure 12 be embodiment of the invention hollow core member 2 structural representation eight.

Figure 13 be embodiment of the invention hollow core member 2 structural representation nine.

Figure 14 be embodiment of the invention hollow core member 2 structural representation ten.

Figure 15 be embodiment of the invention hollow core member 2 structural representation 11.

Figure 16 be embodiment of the invention hollow core member 2 structural representation 12.

Figure 17 be embodiment of the invention hollow core member 2 structural representation 13.

Figure 18 be embodiment of the invention hollow core member 2 structural representation 14.

Figure 19 be embodiment of the invention hollow core member 2 structural representation 15.

Figure 20 be embodiment of the invention hollow core member 2 structural representation 16.

Figure 21 be embodiment of the invention hollow core member 2 structural representation 17.

Figure 22 be embodiment of the invention hollow core member 2 structural representation 18.

Figure 23 be embodiment of the invention hollow core member 2 structural representation 19.

Figure 24 be embodiment of the invention hollow core member 2 structural representation 20.

Figure 25 be embodiment of the invention hollow core member 2 structural representation 21.

Figure 26 be embodiment of the invention hollow core member 2 structural representation 22.

(5) specific embodiment

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

The present invention as shown in drawings, comprise steel bar concrete 1, hollow unit 2, hollow unit 2 is wrapped up in and is contained in the steel bar concrete 1, hollow unit 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, hollow unit 2 comprises hollow mould shell 4 and base plate 5, hollow mould shell 4 connects into integral body with base plate 5, at least 2 hollow mould shells 4 are arranged alternately on the base plate 5, alternate cavity between the hollow mould shell 4 and base plate 5 constitute cast-in-place structural internal-rib die cavity 6, cast-in-situ reinforced concrete 1 forms cast-in-situ reinforced concrete internal-rib 7 in cast-in-place structural internal-rib die cavity 6, and link to each other with cast-in-situ reinforced concrete rib 3, it is characterized in that hollow mould shell 4 and one side at least of base plate 5 contacts site are interior puncture groove 8, the cast-in-situ reinforced concrete rib 3 of corresponding site or cast-in-situ reinforced concrete internal-rib 7 are the inverted T shape rib.In each accompanying drawing, 1 is steel bar concrete, and 2 is hollow unit, and 3 is the cast-in-situ reinforced concrete rib, and 4 is hollow mould shell, and 5 is base plate, and 6 is cast-in-place structural internal-rib die cavity, and 7 is the cast-in-situ reinforced concrete internal-rib, and 8 is interior puncture groove, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, cast-in-situ reinforcing steel bar concrete hollow slab includes steel bar concrete 1, hollow unit 2, hollow unit 2 is wrapped up in and is contained in the steel bar concrete 1, hollow unit 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, hollow unit 2 comprises hollow mould shell 4 and base plate 5, hollow mould shell 4 connects into integral body with base plate 5,2 hollow mould shells 4 are arranged alternately on the base plate 5, alternate cavity between the hollow mould shell 4 and base plate 5 constitute cast-in-place structural internal-rib die cavity 6, cast-in-situ reinforced concrete 1 forms cast-in-situ reinforced concrete internal-rib 7 in cast-in-place structural internal-rib die cavity 6, and link to each other with cast-in-situ reinforced concrete rib 3, hollow mould shell 4 is interior puncture groove 8 with base plate 5 contacts site, and the cast-in-situ reinforced concrete rib 3 of corresponding site is the inverted T shape rib.Fig. 1,2,3,4 is the application schematic diagram of hollow matrix 2 shown in Figure 5 in steel bar concrete 1.

Feature of the present invention is that also the hollow mould shell 4 and the contact site of base plate 5 all are interior puncture groove 8.As shown in Figure 6, its described hollow mould shell 4 all is interior puncture groove 8 with the contact site of base plate 5.

Feature of the present invention is that also described groove 8 is arc groove.As shown in Figure 6, its described groove 8 is an arc groove.

Feature of the present invention also is to be provided with in the cast-in-place structural internal-rib die cavity 6 of described adjacent cavities formwork 4 at least one support draw piece 9, and adjacent cavities formwork 4 is connected to each other.As shown in Figure 7, be provided with support draw piece 9 in the cast-in-place structural internal-rib die cavity 6 of its described adjacent cavities formwork 4, adjacent cavities formwork 4 is connected to each other.

Feature of the present invention also is at least a in rod member, rope, pier, pipe, little tube sheet or the sheet spare of described support draw piece 9.As shown in Figure 7, its described support draw piece 9 is a pipe fitting.

Feature of the present invention is that also described support draw piece 9 is the broken piece easy to break of easily broken structure.As shown in Figure 8, its described support draw piece 9 broken piece easy to break that is easily broken structure.

Feature of the present invention is that also described support draw piece 9 is movable part or knockdown pieces.As shown in Figure 8, its described support draw piece 9 is the activity knockdown pieces.

Feature of the present invention is that also described support draw piece 9 is the charges that can extract out.As shown in Figure 9, its described support draw piece 9 is the charges that can extract out.

Feature of the present invention also is to be provided with in the described base plate 5 at least one prestressed reinforcement or steel strand 10.As shown in figure 10, be provided with prestressed reinforcement 10 in its described base plate 5.

Feature of the present invention is that also other position of described hollow mould shell 4 is provided with at least one in groove 8, pit 11, chamfering 12, inner corner trim 13, hole 14, reinforcing rib 15, projection 16, the positive arc angle 17.As shown in figure 11, other position of its described hollow mould shell 4 is provided with groove 8, pit 11, chamfering 12, inner corner trim 13, as shown in figure 12, other position of its described hollow mould shell 4 is provided with groove 8, inner corner trim 13, hole 14, as shown in figure 13, other position of its described hollow mould shell 4 is provided with reinforcing rib 15, projection 16, positive arc angle 17.

Feature of the present invention is that also described cast-in-place structural internal-rib die cavity 6 has two when above, their parallel each other or quadrature or obliques or form grid.As shown in figure 14, its described cast-in-place structural internal-rib die cavity 6 has many, and they are orthogonal, and as shown in figure 15, its described cast-in-place structural internal-rib die cavity 6 has many, and they are parallel each other.

Feature of the present invention is that also described base plate 5 is provided with reinforcing rib 15.As shown in figure 16, its described base plate 5 is provided with reinforcing rib 15.

Feature of the present invention also is to accompany reinforce 18 among described base plate 5 or hollow mould shell 4 or both, reinforce 18 is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fleece or cloth, nonwoven, metal foil band, braid over braid, the strap, and perhaps the thickness of slab of base plate 5 is greater than the wall thickness of hollow mould shell 4.As shown in figure 17, accompany reinforce 18 in its described base plate 5 and the hollow mould shell 4, the thickness of slab of base plate 5 is greater than the wall thickness of hollow mould shell 4 simultaneously.

Feature of the present invention is that also described base plate 5 or hollow mould shell 4 or both are extended with reinforce 18 simultaneously, and is bonded to integral body with Cast-in-place concrete.As shown in figure 17, its described hollow mould shell 4 is extended with reinforce 18, and is bonded to integral body with Cast-in-place concrete.

Feature of the present invention is that also the surface of described hollow mould shell 4 is waveform or zigzag or plucking or other special-shaped rough surface.As shown in figure 18, the surface of its described hollow mould shell 4 is the waveform surface.

Feature of the present invention is that also described hollow mould shell 4 is inversed taper platform shape hollow mould shell.As shown in figure 19, its described hollow mould shell 4 is an inversed taper platform shape hollow mould shell.

Feature of the present invention is also that base plate 5 flushes with the lateral surface of hollow mould shell 4 or stretches out and constitutes bridging piece 19, stretches out partly for local or all, the bottom surface of base plate 5 flushes with the bottom surface of concrete hollow board.As shown in figure 20, its described base plate 5 stretches out formation bridging piece 19 to the lateral surface of hollow mould shell 4, stretches out partly for local.

Feature of the present invention is that also described base plate 5 is for there being the base plate of hole 14.As shown in figure 21, its described base plate 5 is for there being the base plate of hole 14.

Feature of the present invention is that also described base plate 5 is provided with the locating structure 20 of the downward tension that connects construction formwork.As shown in figure 22, its described base plate 5 is provided with the locating structure 20 of the downward tension that connects construction formwork.

Feature of the present invention also is the cavity inside branch of described hollow mould shell 4 or all fills or be pasted with light material 21.As shown in figure 22, all be filled with light material 21 in the cavity of its described hollow mould shell 4.

Feature of the present invention is that also the peripheral contour shape after described base plate 5 and hollow mould shell 4 combinations is the square bodily form, cuboid, cylindrical, the hexagon bodily form, arc angle polygon or other shape.As shown in figure 22, the peripheral contour shape after its described base plate 5 makes up with hollow mould shell 4 is a cuboid.

Feature of the present invention is that also the monnolithic case size of hollow unit 2 is ascending gradually changing; The wide end in the chamber of the thickness of slab of the base plate 5 of corresponding hollow unit 2 or cast-in-place structural internal-rib die cavity is relatively large, from large to small, carries out the transition to the other end gradually.As shown in figure 23, the monnolithic case size of its described hollow unit 2 is ascending gradually changing; The thickness of slab of the base plate 5 of corresponding hollow unit 2 carries out the transition to the other end from large to small gradually.

Feature of the present invention also be described hollow mould shell 4 and base plate 5 ways of connecting for gluedly is connected, is welded to connect, screw connects, cutting ferrule connection or Integratively formed connection.As shown in figure 24, its described hollow mould shell 4 is that cutting ferrule is connected with base plate 5 ways of connecting.

Feature of the present invention also is to be useful on the described base plate 5 the location thing 22 that is connected the location with hollow mould shell 4.As shown in figure 24, be useful on the location thing 22 that is connected the location with hollow mould shell 4 on its described base plate 5.

Feature of the present invention also is locating piece, positioning strip, posting, locating slot, locating ring or the reference column of described location thing 22 for protruding.As shown in figure 24, the locating piece of its described location thing 22 for protruding.

Feature of the present invention is that also described hollow mould shell 4 is for outward flanging 23 or to the hollow mould shell 4 of in-flanges 24.As shown in figure 25, described hollow mould shell 4 is the hollow mould shell 4 of outward flanging 23, and as shown in figure 26, described hollow mould shell 4 is the hollow mould shell 4 to in-flanges 24.

Feature of the present invention also is the base plate that described base plate 5 is made for steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, from stress steel bar concrete, polymer steel bar concrete or wire mesh mortar, the cementitious materials of hollow mould shell 4 is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and hollow mould shell 4, base plate 5 usefulness same materials or different materials are made.As shown in figure 26, its described base plate 5 is the base plate of steel bar concrete, and hollow mould shell 4 is made with base plate 5 usefulness same materials.

Feature of the present invention also is also to be provided with dark beam 25 in the described concrete hollow board or/and bright beam 26.As shown in Figure 3, also be provided with dark beam 25 in its described concrete hollow board, as shown in Figure 4, also be provided with bright beam 26 in its described concrete hollow board.

During the invention process, press earlier construction requirement mounting bracket or template, lay hollow unit 2, re-lay the reinforcing bar of reinforcing bar or dark beam 25 or bright beam 26, and various steel pipe buried in advance spare, pour concrete after the acceptance(check), after treating the concrete setting and harden, maintenance is to stipulating the length of time that form removal promptly gets cast-in-situ reinforcing steel bar concrete hollow slab.

Claims (10)

1, a kind of concrete hollow board, comprise steel bar concrete (1), hollow unit (2), hollow unit (2) is wrapped up in and is contained in the steel bar concrete (1), hollow unit (2) alternately, be cast-in-situ reinforced concrete rib (3) each other, hollow unit (2) comprises hollow mould shell (4) and base plate (5), hollow mould shell (4) connects into integral body with base plate (5), at least 2 hollow mould shells (4) are arranged alternately on the base plate (5), alternate cavity between the hollow mould shell (4) and base plate (5) constitute cast-in-place structural internal-rib die cavity (6), cast-in-situ reinforced concrete (1) forms cast-in-situ reinforced concrete internal-rib (7) in cast-in-place structural internal-rib die cavity (6), and link to each other with cast-in-situ reinforced concrete rib (3), it is characterized in that hollow mould shell (4) and one side at least of base plate (5) contact site are interior puncture groove (8), the cast-in-situ reinforced concrete rib (3) or the cast-in-situ reinforced concrete internal-rib (7) of corresponding site are the inverted T shape rib.

2, concrete hollow board according to claim 1 is characterized in that the hollow mould shell (4) and the contact site of base plate (5) all are interior puncture groove (8).

3, concrete hollow board according to claim 1 is characterized in that described groove (8) is an arc groove.

4, concrete hollow board according to claim 1 is characterized in that being provided with in the cast-in-place structural internal-rib die cavity (6) of described adjacent cavities formwork (4) at least one support draw piece (9), and adjacent cavities formwork (4) is connected to each other; Perhaps support at least a in rod member, rope, pier, pipe, little tube sheet or the sheet spare of draw piece (9); Perhaps support draw piece (9) and be the broken piece easy to break of easily broken structure; Perhaps support draw piece (9) and be movable part or knockdown pieces; Perhaps supportting draw piece (9) is the charges that can extract out.

5, concrete hollow board according to claim 1 is characterized in that being provided with in the described base plate (5) at least one prestressed reinforcement or steel strand (10); Perhaps other position of hollow mould shell (4) is provided with at least one in groove (8), pit (11), chamfering (12), inner corner trim (13), hole (14), reinforcing rib (15), projection (16), the positive arc angle (17); Perhaps cast-in-place structural internal-rib die cavity (6) has two when above, their parallel each other or quadrature or obliques or form grid.

6,, it is characterized in that described base plate (5) is provided with reinforcing rib (15) according to the described concrete hollow board of arbitrary claim in the claim 1 to 5; Perhaps accompany reinforce (18) among base plate (5) or hollow mould shell (4) or both, reinforce (18) is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fleece or cloth, nonwoven, metal foil band, braid over braid, the strap, and perhaps the thickness of slab of base plate (5) is greater than the wall thickness of hollow mould shell (4); Perhaps base plate (5) or hollow mould shell (4) or both are extended with reinforce (18) simultaneously, and are bonded to integral body with Cast-in-place concrete; Perhaps the surface of hollow mould shell (4) is waveform or zigzag or plucking or other special-shaped rough surface; Perhaps hollow mould shell (4) is an inversed taper platform shape hollow mould shell.

7, according to the described concrete hollow board of arbitrary claim in the claim 1 to 4, it is characterized in that base plate (5) flushes with the lateral surface of hollow mould shell (4) or stretches out constitutes bridging piece (19), it partly is local stretching out or all, the bottom surface of base plate (5) flushes with the bottom surface of concrete hollow board; Perhaps base plate (5) is for there being the base plate of hole (14); Perhaps base plate (5) is provided with the locating structure (20) of the downward tension that connects construction formwork; Perhaps the cavity inside of hollow mould shell (4) divides or all fills or be pasted with light material (21).

8,, it is characterized in that peripheral contour shape after the combination of described base plate (5) and hollow mould shell (4) is the square bodily form, cuboid, cylindrical, the hexagon bodily form, arc angle polygon or other shape according to the described concrete hollow board of arbitrary claim in the claim 1 to 4; Perhaps the monnolithic case size of hollow unit (2) is ascending gradually changing; The wide end in chamber of the thickness of slab of the base plate (5) of corresponding hollow unit (2) or cast-in-place structural internal-rib die cavity is relatively large, from large to small, carries out the transition to the other end gradually.

9, according to the described concrete hollow board of arbitrary claim in the claim 1 to 4, it is characterized in that described hollow mould shell (4) and base plate (5) ways of connecting for gluedly is connected, is welded to connect, screw connects, cutting ferrule connection or Integratively formed connection; Perhaps be useful on the location thing (22) that is connected the location with hollow mould shell (4) on the base plate (5); Perhaps locate locating piece, positioning strip, posting, locating slot, locating ring or the reference column of thing (22) for protruding; Perhaps hollow mould shell (4) is an outward flanging (23) or to the hollow mould shell (4) of in-flanges (24).

10, according to the described concrete hollow board of arbitrary claim in the claim 1 to 11, it is characterized in that described base plate (5) is a steel bar concrete, the steel mesh reinforcement concrete, the gauze wire cloth concrete, from the stress steel bar concrete, the base plate that polymer steel bar concrete or wire mesh mortar are made, the cementitious materials of hollow mould shell (4) is a cement, cement mortar, polymer cement, alkali slag cement, the ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, hollow mould shell (4), base plate (5) is made with same material or different materials; Perhaps also be provided with dark beam (25) in the concrete hollow board or/and bright beam (26).

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