CN101440642B

CN101440642B - Cast-in-situ concrete hollow slab

Info

Publication number: CN101440642B
Application number: CN2007101699070A
Authority: CN
Inventors: 邱则有
Original assignee: 湖南邱则有专利战略策划有限公司
Priority date: 2003-10-21
Filing date: 2003-10-21
Publication date: 2012-11-28
Also published as: CN101440642A

Abstract

The invention provides a cast-in-situ concrete hollow floor slab, which comprises cast-in-situ concrete and a cavity mould shell component, wherein the cavity mould shell component comprises an upper plate(1), circumferential side walls(2), a lower base plate(3) and raised edges(4); the upper plate(1), the circumferential side walls(2) and the lower base plate(3) enclose into a closed cavity, and the raised edges(4) extend out from at least one outer side of the lower base plate(3) or/and the circumferential side walls(2). The cast-in-situ concrete hollow floor slab is characterized in that at least one side raised edge (4) is a laminated raised edge which comprises at least one prefabricated layer(5). The cast-in-situ concrete hollow floor slab is applied to hollow floor systems, roof systems, roofs, walls, foundation base plates and open-spandrel arch bridges in which reinforcement concrete or prestressed reinforcement concrete is cast in site, particularly hollow non-beam floor systems.

Description

A kind of cast-in-place concrete cored

The application for the applying date be that October 21, application number in 2003 are 200310101176.8, name is called the dividing an application of application for a patent for invention of " a kind of cavity former component ".

(1) technical field

The present invention relates to a kind of cast-in-place concrete cored.

(2) background technology

At present, cast-in-situ concrete hollow floor is to use wider floor structural form, and the lightening permanent loose tool of filling in it has hollow section and cavity former component.Is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent like the applicant in the patent No. of application on November 29th, 1999; It discloses a kind of thin-wall mould-shell member; Comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity.And for example the applicant in the application number of November 23 calendar year 2001 application be 01140106.0, publication number is that CN1356442, name are called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention; Its disclosed shuttering member comprise " upper plate, on every side sidewall, go to the bottom; upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity former component, characteristics such as that this cavity former component has is in light weight, intensity is high, simple in structure, convenient construction and transport.Simultaneously, this kind polyhedron cavity former component in order to save construction formwork, is gone to the bottom also and can be stretched out the formation bridging piece from sidewall on every side, and bridging piece can be used as the stay in place formwork of the Cast-in-place concrete rib between the cavity former component, helps improving speed of application, reduces construction cost.But, when producing, makes this type shuttering member inconvenience, and production efficiency is low, is not easy to streamline production, and corresponding cost is high, and therefore, developing a kind of novel the cast-in-place concrete cored of cavity former component has been to be badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of cast-in-place concrete coredly, have characteristics such as make easily, production efficiency is high, cost is low.

Solution of the present invention is on the basis of existing technology; Comprise cast-in-situ reinforced concrete, cavity former component; Cavity former component comprises upper plate, sidewall, lower shoe, toss on every side, and upper plate, sidewall, lower shoe surround enclosed cavity on every side, toss from lower shoe or/and on every side at least one outside of sidewall stretch out; It is characterized in that at least one side toss is the overlapping layers toss, the overlapping layers toss comprises one deck preformed layer at least.Like this, when cavity former component is made, because at least one side toss is superimposed toss; Can make the open shutting structural member of the ambient side cornice flanging of an opening earlier, then, in the lower shoe mould, make lower shoe;, open shutting structural member is fastened on it not before the setting and harden at it, flanging that it is prefabricated and the superimposed bonding of cast-in-place lower shoe form integral body; Maintenance can obtain the cavity former component with the overlapping layers toss to stipulating the length of time, and it is made easily, production efficiency is high; Corresponding cost is low; Simultaneously, characteristics such as that cavity former component also has is simple in structure, intensity is high, resistance to deformation, anti-vibration performance are good, easy construction, speed of application are fast, thus reached the object of the invention; The hollow building cover, roof system, body of wall, sole plate and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are particularly useful for hollow arch without beam and use.

Characteristic of the present invention also be toss from lower shoe or/and on every side sidewall around the outside stretch out.

Characteristic of the present invention also be the overlapping layers toss from lower shoe or/and on every side sidewall around the outside stretch out.

Characteristic of the present invention is that also described overlapping layers toss is that preformed layer and preformed layer are formed by stacking.Like this; The overlapping layers toss is that preformed layer is formed by stacking; Gluing or bonding or bolt connect or welding preformed layer each other each other; Thereby the making of cavity former component is simpler, convenient, fast, and lower shoe is pre-prepared usefulness in large quantity also, thereby improves the production efficiency of cavity former component greatly.

Characteristic of the present invention also is to be superimposed with the cast-in-place layer of at present smearing of one deck on the preformed layer of described overlapping layers toss.Like this, the overlapping layers toss chimeric firmly, be difficult for loosening, overall performance is good, adopts prefabricated and cast-in-place mode of at present smearing to combine, and can increase substantially production efficiency.

Characteristic of the present invention is that also described overlapping layers toss is one deck preformed layer, the cast-in-place layer of at present smearing of one deck, and one deck preformed layer multilayer build-up forms again.Like this, preformed layer and cast-in-place is smeared the staggered superimposed wall body form of structure of stratiform that is superimposed of layer at present, improved the production efficiency of cavity former component greatly, and production process is simple, helps reducing cost.

Characteristic of the present invention is that also described overlapping layers toss is the cast-in-place layer of at present smearing of one deck, one deck preformed layer, and the cast-in-place layer multi-layer of at present smearing of one deck is formed by stacking again.Like this, overlapping layers toss intensity is high, rigidity is big, and shock resistance is good; Simultaneously, because of the cast-in-place range upon range of build-in preformed layer that closes of smearing is arranged at present, make it be difficult for getting loose, separating; Thereby the globality of shuttering member is better, and in addition, the production technology of shuttering member is also simple; Production efficiency is high, helps reducing manufacturing cost.

Characteristic of the present invention also be in the described overlapping layers toss preformed layer for the prefabricated film of the prefabricated limit of sidewall disjunctor on every side or precast plate or pre-buried or band connector.Like this; When the preformed layer in the overlapping layers toss is the prefabricated limit with sidewall disjunctor on every side; Superimposed toss is manufactured conveniently, good integrity simultaneously, when its for precast plate or pre-buried or when having the prefabricated film of connector; The mechanization production in large quantity of preformed layer in the toss has improved production efficiency greatly.

Characteristic of the present invention also be in the described overlapping layers toss preformed layer for the toss of lower shoe disjunctor.Like this, preformed layer has advantages such as intensity height, rigidity is big, fracture resistance is good for the toss with the lower shoe disjunctor, and toss can be satisfied the working load requirement fully in application process.

The preformed layer that characteristic of the present invention also is described overlapping layers toss is different with cast-in-place material of smearing layer at present.Like this, the material that the preformed layer of overlapping layers toss and cast-in-place is smeared layer at present is convenient to select more economical material as overlapping layers not simultaneously, helps reducing production costs the intensity and the rigidity of raising cavity former component.

Characteristic of the present invention also is the upper plate of described cavity former component, sidewall, lower shoe, toss, preformed layer or cast-in-place smeared at least a in the layer at present and contained reinforce on every side, and stretches into anchoring in the adjacent matrix, perhaps also to having exposed outside reinforce.Reinforce is silk, muscle slender member; Or the cloth and the net of silk, the braiding of muscle slender member or weaving; Or the gluing cloth of nonwoven, net; Or sheet, band, or the two above combination can be 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 reinforce.Like this, reinforce stretches in the matrix of each adjacent member drawknot each other, and then the globality of shuttering member is better, and intensity is higher, and rigidity is bigger.Simultaneously, the kind of reinforce is many, is convenient to design and the selecting for use of reinforce when manufacturing shuttering member, helps reducing material cost, to satisfy the needs of various different occasions.

Characteristic of the present invention also be between the preformed layer of described overlapping layers toss or with cast-in-place smear between the layer at present with bonding, interlock, seam, pressing, anchor pole be connected, the wire drawing connection, screw connects or the mode of riveted is overlapped into integral body.Like this, between the preformed layer of overlapping layers toss or and cast-in-placely smear superimposed mode variation between the layer at present, make between the preformed layer of overlapping layers toss or be connected superimposed conveniently between the layer with cast-in-place smearing at present, can satisfy the application need under the various different occasions.

Characteristic of the present invention also is also to be provided with on the described cavity former component at least a in inner corner trim, chamfering, groove, pit, hole, boss module, raised line or the external corner.Like this, after shuttering member was applied in the cast-in-situ concrete hollow floor, Cast-in-place concrete poured in inner corner trim, chamfering, groove, pit, the hole, and the corresponding Cast-in-place concrete that forms the part adds competent structure; The boss module that is provided with on the shuttering member, raised line, external corner can be found time the concrete that does not stress in the superstructure, further alleviate the weight of superstructure self, practice thrift the consumption of concrete, reduce the cost of superstructure, also improve the performance of superstructure simultaneously.

Characteristic of the present invention is that also described inner corner trim, chamfering, groove, hole or raised line are parallel, quadrature, oblique or grade separation setting each other or form latticed setting each other.Like this; After shuttering member is applied in the cast-in-situ concrete hollow floor; Inner corner trim on the shuttering member, chamfering, groove, raised line self or be parallel, quadrature, oblique or grade separation setting each other or form grid; After concrete was built at above-mentioned position, the corresponding Cast-in-place concrete that has formed parallel, quadrature, oblique or grade separation added competent structure, has improved the mechanical property of cast-in-situ concrete hollow floor greatly.

Characteristic of the present invention also is to be provided with in the enclosed cavity of described cavity former component at least a in stiffening rib, bracing boom or the reinforcing rib; At least a exposing outside the cavity former component in stiffening rib, bracing boom or the reinforcing rib perhaps arranged; Perhaps also have reinforce to expose on stiffening rib, bracing boom or the reinforcing rib, perhaps muscle, net reinforce are revealed in the superimposed or superimposed back of stiffening rib, bracing boom, reinforcing rib and basic unit.Like this; After shuttering member is applied in the cast-in-situ concrete hollow floor; The stiffening rib that is provided with in the shuttering member, reinforcing rib or the stiffening rib, the reinforcing rib that expose can form the cast-in-place and prefabricated composite construction that combines with Cast-in-place concrete, have optimized the inner stress system of cast-in-situ concrete hollow floor.If also have reinforce to expose on it, then shuttering member and Cast-in-place concrete bonding is more firm, and the globality of superstructure is better; If prefabricated stiffening rib, reinforcing rib are superimposed in basic unit, then the making of shuttering member is more convenient.

Characteristic of the present invention also is to be provided with light material in the enclosed cavity of described cavity former component.The sound insulation of shuttering member, heat insulation, heat-insulating property have been improved like this, greatly; Simultaneously, shuttering member also has good shock resistance, has reduced the breakage rate of product in the construction application process.Light material can be foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or haydite concrete etc., and the diversity of its light material kind is drawn materials when being convenient to produce nearby, helps reducing production costs.

Characteristic of the present invention also be described upper plate or on every side in the sidewall at least a for or dismountable movable part arranged.Like this, can make things convenient for the inner situation of inspection shuttering member at any time, also can perhaps, drench shower nozzle etc. simultaneously at any time at interior section or whole filling with light material of shuttering member like junction box, hydroelectric line, fire-fighting at inner other parts of installing of shuttering member.

Characteristic of the present invention also be the upper plate of described cavity former component or on every side at least a in the external surface of sidewall be corrugated, zigzag or exasperate external surface.Like this; The upper plate of cavity body, at least one in the external surface of sidewall is corrugated, zigzag, plucking shape or exasperate external surface on every side; Improved the adhesion between shuttering member and the Cast-in-place concrete greatly, that has also improved simultaneously superstructure hangs performance and overall performance.

Characteristic of the present invention is that also described cavity former component is provided with align member.Align member can be draw ring, drag hook, iron wire, feet, small lugs, little protruding nail or other device.Like this, after shuttering member is applied in the cast-in-situ concrete hollow floor, can accurately locate shuttering member; Prevent that phenomenons such as shuttering member floats, displacement from producing when building concrete; Simultaneously, also can carry out spacingly, guarantee the pouring quality of superstructure effectively reinforcing bar.

Characteristic of the present invention is that also described cavity former component is provided with connector connected to one another between the cavity former component.Connector can be reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, angle steel, channel-section steel, L shaped steel, T-steel, cutting ferrule, bolt, male and female groove, socket component, indention, tongue, groove, bayonet socket, cutting ferrule, hole, embedded iron parts etc.Like this, after shuttering member was applied in the cast-in-situ concrete hollow floor, the connector that is provided with on the shuttering member can be controlled the distance between the shuttering member 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 shuttering member connection location each other, perhaps constitute member in groups, accelerate speed of application.

Characteristic of the present invention is that also at least one outside of described upper plate is extended with toss.Like this, upper plate is extended with toss, when then shuttering member is applied in the cast-in-situ concrete hollow body of wall, can save the construction formwork of body of wall both sides, improves efficiency of construction greatly.

Characteristic of the present invention is that also the toss that described upper plate stretches out is the overlapping layers toss.Like this, the making of cavity former component is more convenient, and production efficiency is higher, and cost is lower.

Characteristic of the present invention also is described upper plate or is superimposed with preformed layer on sidewall or lower shoe at least a on every side.Like this, owing to be superimposed with preformed layer, need not to remove after superimposed, thereby the making of cavity former component is more convenient, production efficiency is higher, and cost is lower; Simultaneously, also can improve the strength and stiffness of cavity former component.

Characteristic of the present invention is that also described lower shoe or cast-in-place smears layer at present and process for cement mortar, its upper plate or on every side the wall of sidewall be that Cement fibre is processed, its preformed layer is that light aggregate concrete layer, aerating concrete layer are processed.

Characteristic of the present invention is that also described lower shoe or cast-in-place smears layer at present and process for the polymer concrete; Its upper plate or on every side the wall of sidewall be that Cement fibre net or cement steel net are processed, its preformed layer is that cement sand bed, Cement fibre layer, cement steel screen layer or steel bar concrete layer are processed.

Characteristic of the present invention is that also described lower shoe or cast-in-place smears layer at present and process for polymer mortar; Its upper plate or on every side the wall of sidewall be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer is that plastic plate or metal crimp template or wood glue plate are processed.

Characteristic of the present invention is that also described lower shoe or cast-in-place smears layer at present and process for cement mortar; Its upper plate or on every side the wall of sidewall be that Cement fibre net or cement steel net are processed, its preformed layer is that cement sand bed, Cement fibre layer, cement steel screen layer or steel bar concrete layer are processed.

Characteristic of the present invention is that also described lower shoe or cast-in-place smears layer at present and process for cement mortar, its upper plate or on every side the wall of sidewall be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer is that plastic plate or metal crimp template or wood glue plate are processed.

Characteristic of the present invention is that also described lower shoe or cast-in-place smears layer at present and process for lightweight concrete or polymer concrete; Its upper plate or on every side the wall of sidewall be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer is that plastic plate or metal crimp template or wood glue plate are processed.

Characteristic of the present invention is that also described lower shoe or cast-in-place smears layer at present and process for polymer mortar; Its upper plate or on every side the wall of sidewall be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer is that plastic plate or metal crimp template or wood glue plate are processed.Like this, the lower shoe of shuttering member or cast-in-place is smeared layer or upper plate or the variation of the manufacturing materials of sidewall or preformed layer on every side at present, can make shuttering member fully satisfy the needs of various different situations, helps reducing product cost.

Characteristic of the present invention also be upper plate, on every side sidewall, lower shoe, toss, preformed layer or cast-in-place to smear at least a in the layer be to be stained with the muscle of cementitious material or the reinforce of net is formed by stacking by multilayer at present.Like this, be stained with upper plate that the reinforce of muscle or the net of cementitious material is formed by stacking, sidewall or lower shoe on every side, have characteristics such as intensity height, rigidity be big, in light weight by multilayer, the respective mode mould component pile up, cracky more not in transportation and the construction and installation process.

Characteristic of the present invention is that also described cavity former component is provided with carrier.Like this, can very easily cavity former component 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.

(4) description of drawings

In each accompanying drawing, 1 is upper plate, 2 be around sidewall, 3 be lower shoe, 4 are toss, 5 is preformed layer, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and its toss 4 be the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, and preformed layer 5 bonds with cast-in-place toss 4 and is overlapped into integral body.

As shown in Figure 2; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Its overlapping layers toss 4 is for preformed layer 5 and preformed layer 5 are formed by stacking, be illustrated as prefabricated around the prefabricated toss 4 of flanging and prefabricated lower shoe 3 formation of sidewall 2 be built up integral body through glue bond.

As shown in Figure 3; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, be superimposed with the cast-in-place layer 6 of at present smearing of one deck on the preformed layer 5 of its overlapping layers toss 4.

As shown in Figure 4; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss; One deck preformed layer 5 of its overlapping layers toss 4, the cast-in-place layer 6 of at present smearing of one deck, one deck preformed layer 5 multilayer build-ups form again.

As shown in Figure 5; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss; Layer 6 is smeared in its overlapping layers toss 4 at present for one deck is cast-in-place, one deck preformed layer 5, and cast-in-place layer 6 multilayer build-up of at present smearing of one deck form again.

As shown in Figure 6; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the preformed layer 5 in its overlapping layers toss 4 is and the prefabricated limit of sidewall 2 disjunctors on every side.

As shown in Figure 7; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the preformed layer 5 in its overlapping layers toss 4 is the toss 4 with lower shoe 3 disjunctors.

As shown in Figure 8; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the preformed layer 5 of its overlapping layers toss 4 is different with cast-in-place layer 6 the material of smearing at present.

As shown in Figure 9; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss; Be provided with reinforce 7 in sidewall 2 and the toss 4 around it, the reinforces 7 in sidewall 2 and the toss 4 stretch into the interior anchoring of body of adjacent members each other on every side, and diagram reinforce 7 is fibrous mesh cloth and metal foil band.

Shown in figure 10; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3; Toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, and the preformed layer of its overlapping layers toss 4 and cast-in-place smears at present that the mode with gluing is overlapped into integral body between the layer 6.

Shown in figure 11; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, also be provided with hole 12, boss module 13 and external corner 15 on its cavity former component.

Shown in figure 12; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3; Toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, also is provided with inner corner trim 8, chamfering 9, groove 10, pit 11 and raised line 14 on its cavity former component.

Shown in figure 13; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss; Be provided with stiffening rib 16, bracing boom 17 and reinforcing rib 18 in the enclosed cavity of its cavity former component simultaneously, be provided with reinforce 7 in the stiffening rib 16, rod member 17 has part to expose outside the cavity former component.

Shown in figure 14; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Be provided with light material 19 in the enclosed cavity of its cavity former component, diagram light material 19 is an expanded perlite.

Shown in figure 15, upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, and its upper plate 1 is movable dismountable fastening cover plate.

Shown in figure 16; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the surface of the upper plate 1 of its cavity former component, sidewall 2 and toss 4 on every side is coarse external surface.

Shown in figure 17; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Also be provided with align member 20 on its cavity former component, illustrated position member 20 is the spike locating piece.

Shown in figure 18; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Also be provided with the connector 21 of the usefulness that is connected to each other between the cavity former component on its cavity former component, diagram connector 21 is a rod member.

Shown in figure 19; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the sidewall on every side 2 that its upper plate 1 also stretches out on the cavity former component constitutes toss 4.

Shown in figure 20; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; The sidewall on every side 2 that upper plate 1 also stretches out on the cavity former component constitutes toss 4, and the toss 4 that its upper plate 1 stretches out is superimposed toss.

Shown in figure 21, upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, is superimposed with preformed layer 5 on its upper plate 1.

Shown in figure 22; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Its lower shoe 3 is the steel bar concrete layer with the cast-in-place layer 6 of smearing at present, upper plate 1 and on every side sidewall 2 be the fiber cement mortar wall.

Shown in figure 23; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, its upper plate 1 and on every side sidewall 2 be to be formed by stacking by the netted reinforce 7 that multilayer is stained with cementitious material.

(5) specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is further described.

The present invention is shown in accompanying drawing; Comprise cast-in-situ reinforced concrete, cavity former component; Cavity former component comprises upper plate 1, sidewall 2, lower shoe 3, toss 4 on every side, and upper plate 1, sidewall 2, lower shoe 3 surround enclosed cavity on every side, toss 4 from lower shoe 3 or/and on every side at least one outside of sidewall 2 stretch out; It is characterized in that at least one side toss 4 is the overlapping layers toss, the overlapping layers toss comprises one deck preformed layer 5 at least.In each accompanying drawing, 1 is upper plate, 2 be around sidewall, 3 be lower shoe, 4 are toss, 5 is preformed layer, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and its toss 4 be the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, and preformed layer 5 bonds with cast-in-place toss 4 and is overlapped into integral body.

Characteristic of the present invention also be toss 4 from lower shoe 3 or/and on every side sidewall 2 around the outside stretch out.Like Figure 11, Figure 12, shown in Figure 19, stretch out in toss 4 outside around the sidewall 2 on every side.

Characteristic of the present invention also be described overlapping layers toss 4 from lower shoe 3 or/and on every side sidewall 2 around the outside stretch out.Like Figure 11, Figure 12, shown in Figure 19, stretch out in overlapping layers toss 4 outside around the sidewall 2 on every side.

Characteristic of the present invention is that also described overlapping layers toss 4 is formed by stacking for preformed layer 5 and preformed layer 5.As shown in Figure 2; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Its overlapping layers toss 4 is for preformed layer 5 and preformed layer 5 are formed by stacking, be illustrated as prefabricated around the prefabricated toss 4 of flanging and prefabricated lower shoe 3 formation of sidewall 2 be built up integral body through glue bond.

Characteristic of the present invention also is to be superimposed with on the preformed layer 5 of described overlapping layers toss 4 the cast-in-place layer 6 of at present smearing of one deck.As shown in Figure 3; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, be superimposed with the cast-in-place layer 6 of at present smearing of one deck on the preformed layer 5 of its overlapping layers toss 4.

Characteristic of the present invention is that also described overlapping layers toss 4 is one deck preformed layer 5, the cast-in-place layer 6 of at present smearing of one deck, and one deck preformed layer 5 multilayer build-ups form again.As shown in Figure 4; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss; One deck preformed layer 5 of its overlapping layers toss 4, the cast-in-place layer 6 of at present smearing of one deck, one deck preformed layer 5 multilayer build-ups form again.

Characteristic of the present invention is that also described overlapping layers toss 4 is the cast-in-place layer 6 of at present smearing of one deck, one deck preformed layer 5, and cast-in-place layer 6 multilayer build-up of at present smearing of one deck form again.As shown in Figure 5; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss; Layer 6 is smeared in its overlapping layers toss 4 at present for one deck is cast-in-place, one deck preformed layer 5, and cast-in-place layer 6 multilayer build-up of at present smearing of one deck form again.

Characteristic of the present invention also be in the described overlapping layers toss 4 preformed layer 5 for the prefabricated film of the prefabricated limit of sidewall 2 disjunctors on every side or precast plate or pre-buried or band connector.As shown in Figure 6; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the preformed layer 5 in its overlapping layers toss 4 is and the prefabricated limit of sidewall 2 disjunctors on every side.

Characteristic of the present invention is that also the preformed layer 5 in the described overlapping layers toss 4 links to each other with lower shoe 3.As shown in Figure 7; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the preformed layer 5 in its overlapping layers toss 4 is the toss 4 with lower shoe 3 disjunctors.

The preformed layer 5 that characteristic of the present invention also is described overlapping layers toss 4 is different with cast-in-place material of smearing layer 6 at present.As shown in Figure 8; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the preformed layer 5 of its overlapping layers toss 4 is different with cast-in-place layer 6 the material of smearing at present.

Characteristic of the present invention also is the upper plate 1 of described cavity former component, sidewall 2, lower shoe 3, toss 4, preformed layer 5 or cast-in-place smeared at least a in the layer 6 at present and contained reinforce 7 on every side; And stretch into anchoring in the adjacent wall body, perhaps also to having exposed outside reinforce 7.Reinforce 7 is silk, muscle slender member; Or the cloth and the net of silk, the braiding of muscle slender member or weaving; Or the gluing cloth of nonwoven, net; Or sheet, band, or the two above combination can be 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 reinforce 7.As shown in Figure 9; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss; Be provided with reinforce 7 in sidewall 2 and the toss 4 around it, the reinforces 7 in sidewall 2 and the toss 4 stretch into the interior anchoring of body of adjacent members each other on every side, and diagram reinforce 7 is fibrous mesh cloth and metal foil band.

Characteristic of the present invention also be between the preformed layer 5 of described overlapping layers toss 4 or with cast-in-place smear between the layer 6 at present with bonding, interlock, seam, pressing, anchor pole is connected, the mode of wire drawing connection, screw connection or riveted is overlapped into integral body.Shown in figure 10; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3; Toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, and the preformed layer of its overlapping layers toss 4 and cast-in-place smears at present that the mode with gluing is overlapped into integral body between the layer 6.

Characteristic of the present invention also is also to be provided with on the described cavity former component at least a in inner corner trim 8, chamfering 9, groove 10, pit 11, hole 12, boss module 13, raised line 14 or the external corner 15.Shown in figure 11; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, also be provided with hole 12, boss module 13 and external corner 15 on its cavity former component.

Characteristic of the present invention is that also described inner corner trim 8, chamfering 9, groove 10, hole 12 or raised line 14 are parallel, quadrature, oblique or grade separation setting each other or form latticed setting each other.Shown in figure 12; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3; Toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, also is provided with inner corner trim 8, chamfering 9, groove 10, pit 11 and raised line 14 on its cavity former component.

Characteristic of the present invention also is to be provided with in the enclosed cavity of described cavity former component at least a in stiffening rib 16, bracing boom 17 or the reinforcing rib 18; At least a exposing outside the cavity former component in stiffening rib 16, bracing boom 17 or the reinforcing rib 18 perhaps arranged; Perhaps also have reinforce 7 to expose on stiffening rib 16, bracing boom 17 or the reinforcing rib 18, perhaps stiffening rib 16, bracing boom 17 or reinforcing rib 18 reveal muscle, net reinforce 7 with preformed layer 5 superimposed or superimposed backs.Shown in figure 13; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss; Be provided with stiffening rib 16, bracing boom 17 and reinforcing rib 18 in the enclosed cavity of its cavity former component simultaneously, be provided with reinforce 7 in the stiffening rib 16, rod member 17 has part to expose outside the cavity former component.

Characteristic of the present invention also is to be provided with light material 19 in the enclosed cavity of described cavity former component.Shown in figure 14; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Be provided with light material 19 in the enclosed cavity of its cavity former component, diagram light material 19 is an expanded perlite.

Characteristic of the present invention also be described upper plate 1 or on every side in the sidewall 2 at least a for or dismountable movable part arranged.Shown in figure 15, upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, and its upper plate 1 is movable dismountable fastening cover plate.

Characteristic of the present invention also be the upper plate 1 of described cavity former component or on every side at least a in the external surface of sidewall 2 be corrugated, zigzag or exasperate external surface.Shown in figure 16; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the surface of the upper plate 1 of its cavity former component, sidewall 2 and toss 4 on every side is coarse external surface.

Characteristic of the present invention is that also described cavity former component is provided with align member 20.Shown in figure 17; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Also be provided with align member 20 on its cavity former component, illustrated position member 20 is the spike locating piece.

Characteristic of the present invention is that also described cavity former component is provided with connector 21 connected to one another between the cavity former component.Shown in figure 18; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Also be provided with the connector 21 of the usefulness that is connected to each other between the cavity former component on its cavity former component, diagram connector 21 is a rod member.

Characteristic of the present invention is that also at least one outside of described upper plate 1 is extended with toss 4.Shown in figure 19; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, the sidewall on every side 2 that its upper plate 1 also stretches out on the cavity former component constitutes toss 4.

Characteristic of the present invention is that also the toss 4 that described upper plate 1 stretches out is the overlapping layers toss.Shown in figure 20; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; The sidewall on every side 2 that upper plate 1 also stretches out on the cavity former component constitutes toss 4, and the toss 4 that its upper plate 1 stretches out is superimposed toss.

Characteristic of the present invention also is described upper plate 1 or is superimposed with preformed layer 5 on sidewall 2 or lower shoe 3 at least a on every side.Shown in figure 21, upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss, is superimposed with preformed layer 5 on its upper plate 1.

Characteristic of the present invention is that also described lower shoe 3 or cast-in-place smears layer 6 at present and process for cement mortar, its upper plate 1 or on every side the wall of sidewall 2 be that Cement fibre is processed, its preformed layer 5 is that light aggregate concrete layer, aerating concrete layer are processed.

Characteristic of the present invention is that also described lower shoe 3 or cast-in-place smears layer 6 at present and process for the polymer concrete; Its upper plate 1 or on every side the wall of sidewall 2 be that Cement fibre net or cement steel net are processed, its preformed layer 5 is processed for cement sand bed, Cement fibre layer, cement steel screen layer or steel bar concrete layer.

Characteristic of the present invention is that also described lower shoe 3 or cast-in-place smears layer 6 at present and process for polymer mortar; Its upper plate 1 or on every side the wall of sidewall 2 be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer 5 is processed for plastic plate or metal crimp template or wood glue plate.

Characteristic of the present invention is that also described lower shoe 3 or cast-in-place smears layer 6 at present and process for cement mortar; Its upper plate 1 or on every side the wall of sidewall 2 be that Cement fibre net or cement steel net are processed, its preformed layer 5 is processed for cement sand bed, Cement fibre layer, cement steel screen layer or steel bar concrete layer.Shown in figure 22; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side; Toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss, is provided with preformed layer 5 in the overlapping layers toss; Its lower shoe 3 is the steel bar concrete layer with the cast-in-place layer 6 of smearing at present, upper plate 1 and on every side sidewall 2 be the fiber cement mortar wall.

Characteristic of the present invention is that also described lower shoe 3 or cast-in-place smears layer 6 at present and process for cement mortar; Its upper plate 1 or on every side the wall of sidewall 2 be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer 5 is processed for plastic plate or metal crimp template or wood glue plate.

Characteristic of the present invention is that also described lower shoe 3 or cast-in-place smears layer 6 at present and process for cement mortar; Its upper plate 1 or on every side the wall of sidewall 2 be that Cement fibre net or cement steel net are processed, its preformed layer 5 is processed for cement sand bed, Cement fibre layer, cement steel screen layer or steel bar concrete layer.

Characteristic of the present invention is that also described lower shoe 3 or cast-in-place smears layer 6 at present and process for lightweight concrete or polymer concrete; Its upper plate 1 or on every side the wall of sidewall 2 be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer 5 is processed for plastic plate or metal crimp template or wood glue plate.

Characteristic of the present invention also be described upper plate 1, on every side sidewall 2, lower shoe 3, toss 4, preformed layer 5 or cast-in-place to smear at least a in the layer 6 be to be stained with the muscle of cementitious material or the reinforce 7 of net is formed by stacking by multilayer at present.Shown in figure 23; Upper plate 1, sidewall 2 and lower shoe 3 surround enclosed cavity on every side, and toss 4 is stretched out around lower shoe 3, and toss 4 is the overlapping layers toss; Be provided with preformed layer 5 in the overlapping layers toss, its upper plate 1 and on every side sidewall 2 be to be formed by stacking by the netted reinforce 7 that multilayer is stained with cementitious material.

Characteristic of the present invention is that also described cavity former component is provided with carrier 22.Shown in figure 21, the toss 4 of cavity former component is provided with carrier 22.

When the present invention implements, can make the open shutting structural member of the 2 band flangings of sidewall on every side of an opening earlier, then; In the lower shoe mould, make lower shoe 3;, open shutting structural member is fastened on it not before the setting and harden at it, flanging that it is prefabricated and cast-in-place lower shoe 3 superimposed bondings form integral body; Maintenance can obtain the cavity former component with overlapping layers toss 4 to stipulating the length of time.

Claims

1. hollow cast slab; Comprise cast-in-situ reinforced concrete, cavity former component; Cavity former component comprises upper plate (1), sidewall (2), lower shoe (3), toss (4) on every side, and upper plate (1), sidewall (2), lower shoe (3) surround enclosed cavity on every side, toss (4) from lower shoe (3) or/and on every side at least one outside of sidewall (2) stretch out; It is characterized in that at least one side toss (4) is the overlapping layers toss, the overlapping layers toss comprises one deck preformed layer (5) at least.

2. a kind of hollow cast slab according to claim 1, it is characterized in that described toss (4) from lower shoe (3) or/and on every side sidewall (2) around the outside stretch out.

3. a kind of hollow cast slab according to claim 1 is characterized in that described overlapping layers toss (4) is formed by stacking for preformed layer (5) and preformed layer (5).

4. a kind of hollow cast slab according to claim 1 is characterized in that being superimposed with on the preformed layer (5) of described overlapping layers toss (4) the cast-in-place layer (6) of at present smearing of one deck.

5. a kind of hollow cast slab according to claim 4 is characterized in that described overlapping layers toss (4) is one deck preformed layer (5), the cast-in-place layer (6) of at present smearing of one deck, and one deck preformed layer (5) multilayer build-up forms again.

6. a kind of hollow cast slab according to claim 4 is characterized in that described overlapping layers toss (4) is the cast-in-place layer (6) of at present smearing of one deck, one deck preformed layer (5), and cast-in-place layer (6) multilayer build-up of at present smearing of one deck forms again.

7. a kind of hollow cast slab according to claim 1, it is characterized in that in the described overlapping layers toss (4) preformed layer (5) for the prefabricated limit of sidewall (2) disjunctor on every side.

8. a kind of hollow cast slab according to claim 1, it is characterized in that in the described overlapping layers toss (4) preformed layer (5) for the precast plate of sidewall (2) disjunctor on every side.

9. a kind of hollow cast slab according to claim 1, it is characterized in that in the described overlapping layers toss (4) preformed layer (5) for pre-buried of sidewall (2) disjunctor on every side.

10. a kind of hollow cast slab according to claim 1, it is characterized in that in the described overlapping layers toss (4) preformed layer (5) for the prefabricated film of the band connector of sidewall (2) disjunctor on every side

11. a kind of hollow cast slab according to claim 1, it is characterized in that in the described overlapping layers toss (4) preformed layer (5) for the toss of lower shoe (3) disjunctor.

12. a kind of hollow cast slab according to claim 4, the preformed layer (5) that it is characterized in that described overlapping layers toss (4) is different with cast-in-place material of smearing layer (6) at present.

13. a kind of hollow cast slab according to claim 4; It is characterized in that the upper plate (1) of described cavity former component, sidewall (2), lower shoe (3), toss (4), preformed layer (5) or cast-in-place smeared at least a in the layer (6) at present and contained reinforce (7) on every side, and stretches into anchoring in the adjacent matrix.

14. a kind of hollow cast slab according to claim 4 is characterized in that the upper plate (1) of described cavity former component, sidewall (2), lower shoe (3), toss (4), preformed layer (5) or cast-in-place smeared at least a in the layer (6) also to having exposed outside reinforce (7) on every side at present.

15. according to the described a kind of hollow cast slab of arbitrary claim among claim 5,6, the 12-14, it is characterized in that between the preformed layer (5) of described overlapping layers toss (4) or with cast-in-place smear between the layer (6) at present with bonding, interlock, seam, pressing, anchor pole is connected, the mode of wire drawing connection, screw connection or riveted is overlapped into integral body.

16., it is characterized in that also being provided with on the described cavity former component at least a in inner corner trim (8), chamfering (9), groove (10), pit (11), hole (12), boss module (13), raised line (14) or the external corner (15) according to the described a kind of hollow cast slab of arbitrary claim in the claim 5 to 14.

17. a kind of hollow cast slab according to claim 16 is characterized in that described inner corner trim (8), chamfering (9), groove (10), hole (12) or raised line (14) are parallel, quadrature, oblique or grade separation setting each other or form latticed setting each other.

18., it is characterized in that being provided with in the enclosed cavity of described cavity former component at least a in stiffening rib (16), bracing boom (17) or the reinforcing rib (18) according to the described a kind of hollow cast slab of arbitrary claim in the claim 5 to 14.

19. at least a the exposing outside the cavity former component in a kind of hollow cast slab according to claim 18, it is characterized in that stiffening rib is arranged (16), bracing boom (17) or reinforcing rib (18).

20. a kind of hollow cast slab according to claim 18, reinforce (7) exposes to it is characterized in that going up stiffening rib (16), bracing boom (17) or reinforcing rib (18) in addition.

21. a kind of hollow cast slab according to claim 18 is characterized in that stiffening rib (16), bracing boom (17), reinforcing rib (18) and basic unit are superimposed.

22. a kind of hollow cast slab according to claim 21 is characterized in that stiffening rib (16), bracing boom (17), reinforcing rib (18) and basic unit superimposed back dew muscle, net reinforce (7).

23., it is characterized in that being provided with light material (19) in the enclosed cavity of described cavity former component according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14.

24. according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14, it is characterized in that described upper plate (1) or on every side at least a in the sidewall (2) be dismountable movable part.

25. according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14, it is characterized in that the upper plate (1) of described cavity former component or on every side at least a in the external surface of sidewall (2) be the exasperate external surface.

26. according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14, it is characterized in that the upper plate (1) of described cavity former component or on every side at least a in the external surface of sidewall (2) be corrugated or zigzag external surface.

27., it is characterized in that described cavity former component is provided with align member (20) according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14.

28., it is characterized in that described cavity former component is provided with connector connected to one another (21) between the cavity former component according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14.

29., it is characterized in that at least one outside of described upper plate (1) is extended with toss (4) according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14.

30. a kind of hollow cast slab according to claim 29 is characterized in that the toss (4) that described upper plate (1) stretches out is the overlapping layers toss.

31., it is characterized in that described upper plate (1) or be superimposed with preformed layer (5) on sidewall (2) or lower shoe (3) at least a on every side according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14.

32. according to the described a kind of hollow cast slab of arbitrary claim among claim 5,6, the 12-14; It is characterized in that described lower shoe (3) or cast-in-place smears layer (6) at present and process for cement mortar; Its upper plate (1) or on every side the wall of sidewall (2) be that Cement fibre is processed, its preformed layer (5) is processed for the light aggregate concrete layer.

33. according to the described a kind of hollow cast slab of arbitrary claim among claim 5,6, the 12-14; It is characterized in that described lower shoe (3) or cast-in-place smears layer (6) at present and process for the polymer concrete; Its upper plate (1) or on every side the wall of sidewall (2) be that Cement fibre net or cement steel net are processed, its preformed layer (5) is that cement sand bed, Cement fibre layer, cement steel screen layer or steel bar concrete layer are processed.

34. according to the described a kind of hollow cast slab of arbitrary claim among claim 5,6, the 12-14; It is characterized in that described lower shoe (3) or cast-in-place smears layer (6) at present and process for polymer mortar; Its upper plate (1) or on every side the wall of sidewall (2) be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer (5) is processed for plastic plate or metal crimp template or wood glue plate.

35. according to the described a kind of hollow cast slab of arbitrary claim among claim 5,6, the 12-14; It is characterized in that described lower shoe (3) or cast-in-place smears layer (6) at present and process for cement mortar; Its upper plate (1) or on every side the wall of sidewall (2) be that Cement fibre net or cement steel net are processed, its preformed layer (5) is that cement sand bed, Cement fibre layer, cement steel screen layer or steel bar concrete layer are processed.

36. according to the described a kind of hollow cast slab of arbitrary claim among claim 5,6, the 12-14; It is characterized in that described lower shoe (3) or cast-in-place smears layer (6) at present and process for cement mortar; Its upper plate (1) or on every side the wall of sidewall (2) be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer (5) is processed for plastic plate or metal crimp template or wood glue plate.

37. according to the described a kind of hollow cast slab of arbitrary claim among claim 5,6, the 12-14; It is characterized in that described lower shoe (3) or cast-in-place smears layer (6) at present and process for polymer mortar; Its upper plate (1) or on every side the wall of sidewall (2) be that concrete plate, wood glue plate, plastic plate or metal crimp template are processed, its preformed layer (5) is processed for plastic plate or metal crimp template or wood glue plate.

38. according to the described a kind of hollow cast slab of arbitrary claim among claim 5,6, the 12-14, it is characterized in that described upper plate (1), on every side sidewall (2), lower shoe (3), toss (4), preformed layer (5) or cast-in-place to smear at least a in the layer (6) be to be stained with the muscle of cementitious material or the reinforce of net (7) is formed by stacking by multilayer at present.

39., it is characterized in that described cavity former component is provided with carrier (22) according to the described a kind of hollow cast slab of arbitrary claim in the claim 1 to 14.