CN1834373A - Cast-in-situ reinforced concrete hollowed slab - Google Patents

Abstract

A hollow slab of cast-in-place reinforced concrete consists of reinforced concrete (RC) and cavity die-shell wrapped in RC and arranged alternatively. It is featured as setting cast-in-place RC rib between cavity die-shells, using top plate and peripheral side wall as well as bottom to form polyhedral closed cavity with vertical female angle at vertical corner, setting cast-in-place dabber at said angle, forming female angle at one of horizontal corners on bottom portion between said wall and said bottom, forming flange on female angle by cast-in-place concrete so as to form rib in inverted T form on relevant said rib.

Description

A kind of cast-in-situ reinforcing steel bar concrete hollow slab

(1) technical field

The present invention relates to a kind of cast-in-situ reinforcing steel bar concrete hollow slab.

(2) background technology

At present, cast-in-situ reinforcing steel bar concrete hollow slab is to use wider floor structural form, and the lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent as 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 Shijiazhuang City, Hebei Province city beam army is that ZL00203695.9, name are called " combination concrete hidden rib floor structure " utility model patent in the patent No. of application on February 23rd, 2000, a kind of shuttering member is disclosed in its manual, it can be solid, also can be hollow, its profile can be made shapes such as rectangle, circle, polygon according to designing requirement.And for example the Yu Shaohua of Tianjin is that ZL93206310.1, name are called " shuttering member " utility model patent in the patent No. of application on March 20th, 1993, it also discloses a kind of thin-wall mould-shell member, it makes totally-enclosed empty stomach polyhedral structure with the sidewall and the upper and lower end, establish ribs in the die housing, and adopt GRC or magnesium chloride GRC or do not have the manufacturing of sand ﹠ ceramsite cement.The applicant is 01140106.0 in the application number of application on November 23 calendar year 2001 for another example, publication number is CN1356442, name is called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention, its disclosed mould with cavity structure, comprise " upper plate; sidewall on every side; go to the bottom; upper plate; sidewall on every side; going to the bottom surrounds the polyhedron Cavity structural member, this Cavity structural member has in light weight, the intensity height, simple in structure, characteristics such as convenient construction and transport, simultaneously, when reality is used, going to the bottom, it is stressed to participate in, and can hang the greater weight object and in-situ deposited prefabricated bonding surface does not ftracture.Above-mentioned disclosed these cavity former components, in close rib building roof, be shuttering member be again prefabricated noggin piece, have simple in structure, characteristics such as intensity is high, resistance to deformation, the anti-vibration performance is good, easy to manufacture, cost is low.But in formed hollow building cover, formed cast-in-situ reinforced concrete rib is the cast-in-situ reinforced concrete rib of rectangle between the cavity former component, and its stress performance is not quite reasonable, often need increase the sectional dimension of cast-in-situ reinforced concrete rib, increase reinforcing bar and concrete consumption, increase the cost of superstructure, simultaneously, in the vertical corner of cavity former component, the stressed more complicated of superstructure, stress is more concentrated, easily produce the crack, even cracking destruction, therefore, develop a kind of novel cast-in-situ reinforcing steel bar concrete hollow slab for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of cast-in-situ reinforcing steel bar concrete hollow slab, have good, the characteristics such as cost is low, easy construction of mechanical property.

Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, cavity former component, cavity former component is wrapped up in and is contained in the steel bar concrete, cavity former component alternately, be the cast-in-situ reinforced concrete rib each other, cavity former component comprises upper plate, sidewall on every side, go to the bottom, upper plate, sidewall on every side, go to the bottom and surround the polyhedron cavity former component, it is characterized in that described cavity former component around sidewall and go to the bottom between at least one lateral corner place of lower bottom part be inner corner trim, formed the edge of a wing of cast-in-situ reinforced concrete rib at inner corner trim position Cast-in-place concrete, corresponding cast-in-situ reinforced concrete rib has formed the inverted T shape rib, simultaneously, at least one vertical corner at cavity former component is provided with vertical inner corner trim, and Cast-in-place concrete has formed the Cast-in-place concrete reinforcing rib at vertical inner corner trim position.Like this, because at sidewall around the cavity former component and the lateral corner place of lower bottom part between going to the bottom be inner corner trim, cast-in-situ reinforced concrete rib between its cavity former component has formed the inverted T-shaped rib, its shape of cross section has become inverted T-shaped by rectangle, thereby the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab is improved greatly, can reduce the sectional dimension of cast-in-situ reinforced concrete rib, reduce reinforcing bar and concrete consumption, reduce the cost of cast-in-situ reinforcing steel bar concrete hollow slab, simultaneously, because the vertical corner at cavity former component is set to inner corner trim, can form the reinforcing rib of Cast-in-place concrete pier or post or pier stud at the inner corner trim position, thereby can eliminate the stress concentration phenomenon of cast-in-situ reinforcing steel bar concrete hollow slab effectively, prevent the generation in crack, and can bear bigger point load effect and do not destroy, in addition, cast-in-situ reinforcing steel bar concrete hollow slab also has simple in structure, the anti-vibration performance is good, easy construction, characteristics such as speed of application is fast, thereby reached purpose of the present invention, be applicable to the hollow building cover of cast-in-situ reinforced concrete or prestressed reinforced concrete, roof system, body of wall, sole plate and hollow bridges are used, and are particularly useful for hollow arch without beam and use.

Another solution of the present invention is on the basis of existing technology, comprise steel bar concrete, cavity former component, cavity former component is wrapped up in and is contained in the steel bar concrete, cavity former component alternately, be the cast-in-situ reinforced concrete rib each other, cavity former component comprises upper plate, sidewall on every side, go to the bottom, upper plate, sidewall on every side, go to the bottom and surround the polyhedron cavity former component, it is characterized in that described cavity former component around sidewall and go to the bottom between at least one lateral corner place of lower bottom part be inner corner trim, formed the edge of a wing of cast-in-situ reinforced concrete rib at inner corner trim position Cast-in-place concrete, corresponding cast-in-situ reinforced concrete rib has formed the inverted T shape rib, simultaneously, at least one vertical corner at cavity former component is provided with vertical inner corner trim, Cast-in-place concrete has formed the Cast-in-place concrete reinforcing rib at vertical inner corner trim position, the plate face of upper plate or/and the bottom surface of going to the bottom expose outside, respectively with the upper surface of concrete hollow board or/and bottom surface flushes, upper plate or/and go to the bottom constitutes on the concrete hollow board table or/and the structure-bearing member of going to the bottom.Like this, because at sidewall around the cavity former component and the lateral corner place of lower bottom part between going to the bottom be inner corner trim, cast-in-situ reinforced concrete rib between its cavity former component has formed the inverted T-shaped rib, its shape of cross section has become inverted T-shaped by rectangle, thereby the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab is improved greatly, can reduce the sectional dimension of cast-in-situ reinforced concrete rib, reduce reinforcing bar and concrete consumption, reduce the cost of cast-in-situ reinforcing steel bar concrete hollow slab, simultaneously, because the vertical corner at cavity former component is set to inner corner trim, can form the reinforcing rib of Cast-in-place concrete pier or post or pier stud at the inner corner trim position, thereby can eliminate the stress concentration phenomenon of cast-in-situ reinforcing steel bar concrete hollow slab effectively, prevent the generation in crack, and can bear bigger point load effect and do not destroy, in addition, cast-in-situ reinforcing steel bar concrete hollow slab also has simple in structure, the anti-vibration performance is good, easy construction, characteristics such as speed of application is fast, in addition, upper plate is or/and show or/and the structure-bearing member of going to the bottom on the formation concrete hollow board of going to the bottom, make the construction of cast-in-situ reinforcing steel bar concrete hollow slab easier, construction cost is lower, structure is simpler, be applicable to the hollow building cover of cast-in-situ reinforced concrete or prestressed reinforced concrete, roof system, body of wall, sole plate and hollow bridges are used, and are particularly useful for hollow arch without beam and use.

Feature of the present invention is that also all lateral corner places of the bottom of described cavity former component are inner corner trim, and inner corner trim is communicated with into the inner corner trim ring.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, Cast-in-place concrete pours in the middle of the above-mentioned inner corner trim ring, has formed mutually orthogonal cast-in-situ reinforced concrete inverted T-shaped rib structure in cast-in-situ reinforcing steel bar concrete hollow slab inside, has improved the supporting capacity of cast-in-situ reinforcing steel bar concrete hollow slab, simultaneously, because of the bottom of cavity former component is set to inner corner trim, improved the rigidity and the intensity of cavity former component bottom, and, Cast-in-place concrete can firmly bond cavity former component, makes its difficult drop-off, damage, generation crack.

Feature of the present invention also be the upper plate of described cavity former component or on every side sidewall go to the bottom or at least one of inner corner trim in be superimposed with overlapping layers.Like this, upper plate, sidewall or go to the bottom or after inner corner trim is superimposed with overlapping layers on every side, can reduce the production difficulty of cavity former component significantly, simultaneously, also can improve the shock resistance damage capability of cavity former component, reduce the proportion of goods damageds of product, improve the production efficiency of cavity former component, the construction cost of corresponding reduction cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention is that also the vertical corner all around of described cavity former component all is set to vertical inner corner trim.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, Cast-in-place concrete pours in the inner corner trim of vertical corner around the cavity former component, formed the reinforcing rib structure of shearing pier or post or pier stud, strengthen the intensity and the rigidity of the crossed node of Cast-in-place concrete rib greatly, improved the mechanical property of Cast-in-place concrete cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention is that also the lateral corner place all around on described cavity former component top is provided with horizontal inner corner trim or horizontal chamfering.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, Cast-in-place concrete pour into cavity former component around in the chamfering at lateral corner place, formed the Cast-in-place concrete upper plate of cast-in-situ reinforcing steel bar concrete hollow slab and the reinforcing rib structure of Cast-in-place concrete rib junction, increased substantially the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention also is described vertical inner corner trim and laterally inner corner trim or laterally orthogonal thereto each other or oblique or grade separation or ring friendship setting of chamfering.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, form vertical or horizontal reinforced pier, post or reinforcing rib in cast-in-situ reinforcing steel bar concrete hollow slab inside, cast-in-situ reinforcing steel bar concrete hollow slab inside primary structure member has been done comprehensive reinforcement, improved the supporting capacity and the shock resistance of cast-in-situ reinforcing steel bar concrete hollow slab greatly.

Feature of the present invention also be described upper plate or on every side sidewall or go to the bottom be provided with the carrying part of convenient carrying.The carrying part can be handle, suspension hook, suspension ring or other device.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 the construction cost of cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention also be described upper plate, on every side sidewall, go to the bottom at least one in contain reinforce, perhaps have reinforce to expose, and be anchored in the steel bar concrete.Reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, porose thin band, strap, the braid over braid.Like this, upper plate, on every side sidewall or go to the bottom in contain above-mentioned reinforce, their strength and stiffness have been improved greatly, make cavity former component cracky not in stacking, transportation, installation, work progress, even the breakage of small size is arranged, because of the connection of reinforce is arranged, do not need to repair yet, can continue to come into operation.If also have reinforce to expose the cavity former component outside on the cavity former component, in cast-in-situ reinforcing steel bar concrete hollow slab, reinforce and Cast-in-place concrete that it exposes combine, and can improve the bond stress between Cast-in-place concrete and the cavity former component greatly, optimize the performance of whole cast-in-situ reinforcing steel bar concrete hollow slab; Simultaneously, expose reinforce and also make things convenient for cavity former component when carrying, make handle or suspension ring or suspension hook and use.

In feature of the present invention also is have reinforce to stretch in the sidewall around described and is anchored at upper plate or goes to the bottom, or upper plate or go to the bottom in have reinforce to stretch into and be anchored on every side in the sidewall.Like this, in having reinforce to stretch into and be anchored at upper plate on every side in the sidewall or going to the bottom, perhaps upper plate or go to the bottom in have reinforce to stretch into and be anchored in the sidewall, thereby, around having improved greatly sidewall and upper plate or go to the bottom between bonding strength, can guarantee effectively that cavity former component is in transportation, installation, construction, use, on every side sidewall and upper plate or go to the bottom between do not ftracture, loosening, do not come off, reduced the breakage rate of cavity former component significantly, the corresponding construction cost that reduces cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention is that also the horizontal profile of described polyhedron cavity former component or vertical cross section are shaped as rectangle, square, polygon, arc angle polygon, inner corner trim polygon, multi sphere limit shape, corrugated or circular.Like this, the variation of polyhedron cavity former component shape, in cast-in-situ reinforcing steel bar concrete hollow slab, correspondingly various difform cast-in-situ concrete structures have been formed, thereby make that the structure of cast-in-situ reinforcing steel bar concrete hollow slab is more reasonable, make things convenient for design and construction unit to select for use, helped reducing the construction cost of cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention also is also to be provided with on the described cavity former component at least one in groove, pit, hole, boss module, raised line, the external corner.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, Cast-in-place concrete pours 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 cavity former component, raised line, external corner can be found time the concrete that does not stress in the cast-in-situ reinforcing steel bar concrete hollow slab, further alleviate the weight of cast-in-situ reinforcing steel bar concrete hollow slab self, save the consumption of concrete, reduce the cost of cast-in-situ reinforcing steel bar concrete hollow slab, also improve the performance of cast-in-situ reinforcing steel bar concrete hollow slab simultaneously.

Feature of the present invention also is described horizontal inner corner trim, vertical inner corner trim, laterally chamfering, groove, raised line self or be parallel, quadrature, oblique or grade separation mutually the formation grid is set.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, groove on the cavity former component, inner corner trim, chamfering, raised line self or be parallel, quadrature, oblique or grade separation setting mutually or form grid, above-mentioned position is after building concrete, the corresponding Cast-in-place concrete that has formed parallel, quadrature, oblique or grade separation adds competent structure, has improved the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab greatly.

Feature of the present invention also is to be provided with in the enclosed cavity of described cavity former component at least one in stiffening rib, bracing boom, the reinforcing rib, perhaps there be in stiffening rib, the bracing boom at least one to expose outside the cavity former component, perhaps also have reinforce to expose on stiffening rib, bracing boom, the reinforcing rib, and be anchored in the steel bar concrete.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, stiffening rib, bracing boom, reinforcing rib that is provided with in the cavity former component or the stiffening rib that exposes, bracing boom, reinforcing rib 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 reinforcing steel bar concrete hollow slab.If also have reinforce to expose on it, then cavity former component and Cast-in-place concrete bonding is more firm, and the globality of cast-in-situ reinforcing steel bar concrete hollow slab is better.

Feature of the present invention also is to be provided with light material in the enclosed cavity of described cavity former component.Like this, improve the shock resistance of cavity former component greatly, reduced the breakage rate of product in the construction application process.Simultaneously, also make cavity former component have better sound insulation, heat insulation, heat-insulating property; 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.; the diversity of its light material kind; draw materials nearby when being convenient to produce; help reducing production costs; the insulation of corresponding cast-in-situ reinforcing steel bar concrete hollow slab, heat insulation, sound insulation value is better, and helps reducing construction cost.

Feature of the present invention also be the upper plate of described cavity former component or on every side the wall of sidewall be the wall of light material.Like this, adopt light material to make the upper plate or the wall of sidewall on every side, alleviated the own wt of cavity former component, reduced the task difficulty of transportation, installation, help reducing the construction cost of cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention also be described upper plate or on every side at least one in the sidewall for or dismountable movable part arranged.Like this, can make things convenient for the situation of checking cavity former component inside at any time, simultaneously also can be at any time at the interior section of cavity former component or whole filling with light material, perhaps at inner other parts of installing of cavity former component, drench shower nozzle etc. as junction box, hydroelectric line, fire-fighting, help reducing difficulty of construction, reduce the construction cost of cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention also is described upper plate, at least one in the external surface of sidewall is corrugated, zigzag, plucking shape or exasperate external surface on every side.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, because of the cavity former component surface is corrugated, zigzag, plucking shape or exasperate external surface, thereby prefabricated cavity former component and the adhesion stress between the Cast-in-place concrete are stronger, thereby have improved the overall performance of cast-in-situ reinforcing steel bar concrete hollow slab.

Feature 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, in cast-in-situ reinforcing steel bar concrete hollow slab, align member can accurately be located cavity former component, prevent that phenomenons such as cavity former component floats, displacement from producing when building concrete, simultaneously, also can carry out spacingly, can guarantee the pouring quality of cast-in-situ reinforcing steel bar concrete hollow slab effectively reinforcing bar.

Feature 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, in cast-in-situ reinforcing steel bar concrete hollow slab, the connector that is provided with on the cavity former component can be controlled the distance between the cavity former component effectively, reliably, the width and the height of control cast-in-situ reinforced concrete rib, the pouring quality of assurance cast-in-situ reinforcing steel bar concrete hollow slab internal construction; Simultaneously, also help cavity former component connection location each other, perhaps constitute member in groups, accelerate speed of application.

Feature of the present invention is that also at least two above cavity former components are connected as one by connector, constitutes the internal-rib die cavity between the cavity former component, and cast-in-situ reinforced concrete has formed the cast-in-situ reinforced concrete internal-rib in the internal-rib die cavity, and links to each other with the cast-in-situ reinforced concrete rib.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, Cast-in-place concrete enters in the internal-rib die cavity, has formed the cast-in-situ reinforced concrete internal-rib, has improved the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab; Simultaneously, cavity former component is connected as one by connector, has constituted the hollow mould shell assembly, thereby, improved the efficiency of construction and the speed of application of cast-in-situ reinforcing steel bar concrete hollow slab greatly.

Feature of the present invention is that also going to the bottom of described cavity former component is the going to the bottom of cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, perhaps upper plate or on every side sidewall be the upper plate of Cement fibre, Cement fibre net, cement steel net, cement gauze wire cloth, concrete offset plate, wood glue plate, plastics, metal crimp template, lightweight concrete or sidewall on every side.Like this, go to the bottom, upper plate and the variation of sidewall manufacturing materials on every side, can make cavity former component fully satisfy the needs of various different situations, help reducing product cost, the construction cost of corresponding reduction cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention also is the toss of having gone to the bottom of described cavity former component, perhaps at least two above cavity former components connect into cavity former component in groups by toss, constitute the internal-rib die cavity between the cavity former component, cast-in-situ reinforced concrete has formed the cast-in-situ reinforced concrete internal-rib in the internal-rib die cavity, and links to each other with the cast-in-situ reinforced concrete rib.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, toss can replace construction formwork, saves the template installation procedure, has reduced material wastage rate, simultaneously, has improved efficiency of construction.If a plurality of cavity former components connect into the gang mould mould component by toss, then the efficiency of construction of cast-in-situ reinforcing steel bar concrete hollow slab is higher, and construction cost is lower.

Feature of the present invention also is also to be provided with dark beam in the described cast-in-situ reinforcing steel bar concrete hollow slab 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, 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, does not take the usage space of building during use, can more effectively improve the usage space of building.

(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 the structural representation of the embodiment of the invention 5.

Fig. 6 is the structural representation of the embodiment of the invention 6.

Fig. 7 is one of structural representation of embodiment of the invention cavity shuttering member 2.

Fig. 8 be embodiment of the invention cavity shuttering member 2 structural representation two.

Fig. 9 be embodiment of the invention cavity shuttering member 2 structural representation three.

Figure 10 be embodiment of the invention cavity shuttering member 2 structural representation four.

Figure 11 be embodiment of the invention cavity shuttering member 2 structural representation five.

Figure 12 be embodiment of the invention cavity shuttering member 2 structural representation six.

Figure 13 be embodiment of the invention cavity shuttering member 2 structural representation seven.

Figure 14 be embodiment of the invention cavity shuttering member 2 structural representation eight.

Figure 15 be embodiment of the invention cavity shuttering member 2 structural representation nine.

Figure 16 be embodiment of the invention cavity shuttering member 2 structural representation ten.

Figure 17 be embodiment of the invention cavity shuttering member 2 structural representation 11.

Figure 18 be embodiment of the invention cavity shuttering member 2 structural representation 12.

Figure 19 be embodiment of the invention cavity shuttering member 2 structural representation 13.

Figure 20 be embodiment of the invention cavity shuttering member 2 structural representation 14.

Figure 21 be embodiment of the invention cavity shuttering member 2 structural representation 15.

Figure 22 be embodiment of the invention cavity shuttering member 2 structural representation 16.

Figure 23 be embodiment of the invention cavity shuttering member 2 structural representation 17.

Figure 24 be embodiment of the invention cavity shuttering member 2 structural representation 18.

Figure 25 be embodiment of the invention cavity shuttering member 2 structural representation 19.

Figure 26 is the structural representation of the embodiment of the invention 7.

Figure 27 is the structural representation of the embodiment of the invention 8.

(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, cavity former component 2, cavity former component 2 is wrapped up in and is contained in the steel bar concrete 1, cavity former component 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, cavity former component 2 comprises upper plate 4, sidewall 5 on every side, go to the bottom 6, upper plate 4, sidewall 5 on every side, go to the bottom and 6 surround polyhedron cavity former component 2, it is characterized in that the sidewall 5 on every side of described cavity former component 2 and at least one lateral corner place of the lower bottom part between 6 of going to the bottom are inner corner trim 7, formed the edge of a wing 8 of cast-in-situ reinforced concrete rib at inner corner trim 7 position Cast-in-place concretes, corresponding cast-in-situ reinforced concrete rib 3 has formed the inverted T shape rib, simultaneously, at least one vertical corner at cavity former component 2 is provided with vertical inner corner trim 9, and Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib 10 at vertical inner corner trim 9 positions.In each accompanying drawing, 1 is steel bar concrete, and 2 is cavity former component, and 3 is the cast-in-situ reinforced concrete rib, and 4 is upper plate, 5 be around sidewall, 6 for going to the bottom, 7 is inner corner trim, 8 is the edge of a wing of cast-in-situ reinforced concrete rib, 9 is vertical inner corner trim, 10 is the Cast-in-place concrete reinforcing rib, below in each accompanying drawing, number identically, its explanation is identical.As Fig. 1,2,3,4,5, shown in 6, cast-in-situ reinforcing steel bar concrete hollow slab comprises steel bar concrete 1, cavity former component 2, cavity former component 2 is wrapped up in and is contained in the steel bar concrete 1, cavity former component 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, cavity former component 2 comprises upper plate 4, sidewall 5 on every side, go to the bottom 6, upper plate 4, sidewall 5 on every side, go to the bottom and 6 surround polyhedron cavity former component 2, the lateral corner place of the sidewall 5 and the lower bottom part between 6 of going to the bottom is provided with inner corner trim 7 around its described cavity former component 2, formed the edge of a wing 8 of cast-in-situ reinforced concrete rib at inner corner trim 7 position Cast-in-place concretes, corresponding cast-in-situ reinforced concrete rib 3 has formed the inverted T shape rib, simultaneously, vertical corner at cavity former component 2 is provided with vertical inner corner trim 9, and Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib 10 at vertical inner corner trim 9 positions.Fig. 1,2,3,4,5,6 is the schematic diagram of cavity former component 2 shown in Figure 7 in cast-in-situ reinforcing steel bar concrete hollow slab.

The present invention as shown in drawings, comprise steel bar concrete 1, cavity former component 2, cavity former component 2 is wrapped up in and is contained in the steel bar concrete 1, cavity former component 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, cavity former component 2 comprises upper plate 4, sidewall 5 on every side, go to the bottom 6, upper plate 4, sidewall 5 on every side, go to the bottom and 6 surround polyhedron cavity former component 2, it is characterized in that the sidewall 5 on every side of described cavity former component 2 and at least one lateral corner place of the lower bottom part between 6 of going to the bottom are inner corner trim 7, formed the edge of a wing 8 of cast-in-situ reinforced concrete rib at inner corner trim 7 position Cast-in-place concretes, corresponding cast-in-situ reinforced concrete rib 3 has formed the inverted T shape rib, simultaneously, at least one vertical corner at cavity former component 2 is provided with vertical inner corner trim 9, Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib 10 at vertical inner corner trim 9 positions, the plate face of upper plate 4 or/and 6 the bottom surface of going to the bottom expose outside, respectively with the upper surface of concrete hollow board or/and bottom surface flushes, upper plate 46 constitutes on the concrete hollow boards table or/and the structure-bearing member of going to the bottom or/and go to the bottom.As shown in Figure 2, cast-in-situ reinforcing steel bar concrete hollow slab comprises steel bar concrete 1, cavity former component 2, cavity former component 2 is wrapped up in and is contained in the steel bar concrete 1, cavity former component 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, cavity former component 2 comprises upper plate 4, sidewall 5 on every side, go to the bottom 6, upper plate 4, sidewall 5 on every side, go to the bottom and 6 surround polyhedron cavity former component 2, the promising inner corner trim 7 in lateral corner place of the sidewall 5 and the lower bottom part between 6 of going to the bottom around its described cavity former component 2, formed the edge of a wing 8 of cast-in-situ reinforced concrete rib at inner corner trim 7 position Cast-in-place concretes, corresponding cast-in-situ reinforced concrete rib 3 has formed the inverted T shape rib, simultaneously, at least one vertical corner at cavity former component 2 is provided with vertical inner corner trim 9, Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib 10 at vertical inner corner trim 9 positions, the plate face of upper plate 4 exposes outside, and with the upper surface flush of concrete hollow board, upper plate 4 constitutes the structure-bearing member of showing on the concrete hollow board, as shown in Figure 3,6 the bottom surface of going to the bottom of its described cavity former component 2 exposes outside, and flush with the bottom surface of concrete hollow board, the structure-bearing member that the 6 formation concrete hollow boards of going to the bottom are gone to the bottom, as shown in Figure 4, the plate face of its described upper plate 4 and 6 the bottom surface of going to the bottom expose outside, flush the structure-bearing member of showing and going to the bottom on the upper plate 4 and the 6 formation concrete hollow boards of going to the bottom respectively with the upper surface and the bottom surface of concrete hollow board.

Feature of the present invention is that also all lateral corner places of the bottom of described cavity former component 2 are inner corner trim 7, and inner corner trim 7 is communicated with into the inner corner trim ring.As shown in Figure 8, all lateral corner places of the bottom of its described cavity former component 2 are inner corner trim 7, and inner corner trim 7 is communicated with into the inner corner trim ring.

Feature of the present invention also be the upper plate 4 of described cavity former component 2 or on every side sidewall 5 go to the bottom 6 or at least one of inner corner trim 7 in be superimposed with overlapping layers 11.As shown in Figure 9, going to the bottom of its described cavity former component 26 is superimposed with overlapping layers 11.

Feature of the present invention is that also the vertical corner all around of described cavity former component 2 all is set to vertical inner corner trim 9.As shown in figure 10, the vertical corner all around of its described cavity former component 2 all is set to vertical inner corner trim 9.

Feature of the present invention is that also the lateral corner place all around on described cavity former component 2 tops is provided with horizontal inner corner trim 7 or horizontal chamfering 12.As shown in figure 11, the lateral corner place all around on its described cavity former component 2 tops is provided with horizontal chamfering 12.

Feature of the present invention also is described vertical inner corner trim 9 and laterally inner corner trim 7 or laterally orthogonal thereto each other or oblique or grade separation or ring friendship setting of chamfering 12.As shown in figure 11, its described vertical inner corner trim 9 and the laterally orthogonal thereto each other and grade separation setting of chamfering 12.

Feature of the present invention also is described upper plate 4 or the sidewall 5 or the 6 carrying parts 13 that are provided with convenient carrying of going to the bottom on every side.As shown in figure 12, its described upper plate 4 is provided with the carrying part 13 of convenient carrying.

Feature of the present invention also be described upper plate 4, on every side sidewall 5, go to the bottom 6 at least one in contain reinforce 14, perhaps have reinforce 14 to expose, and be anchored in the steel bar concrete 1.As shown in figure 13, its described upper plate 4 and contain reinforce 14 in the sidewall 5 on every side.

Feature of the present invention also is have reinforce 14 to stretch into and be anchored at upper plate 4 in the sidewall 5 around described or goes to the bottom in 6, or upper plate 4 or go to the bottom has in 6 reinforce 14 to stretch into and be anchored on every side in the sidewall 5.As shown in figure 14, it has reinforce 14 to stretch into and be anchored in the upper plate 4 in sidewall 5 around described.

Feature of the present invention is that also the horizontal profile of described polyhedron cavity former component 2 or vertical cross section are shaped as rectangle, square, polygon, arc angle polygon, inner corner trim polygon, multi sphere limit shape, corrugated or circular.As shown in figure 15, the horizontal profile of its described polyhedron cavity former component 2 is shaped as polygon.

Feature of the present invention also is also to be provided with on the described cavity former component 2 at least one in groove 15, pit 16, hole 17, boss module 18, raised line 19, the external corner 20.As shown in figure 16, be provided with groove 15, pit 16, hole 17, boss module 18 and external corner 20 simultaneously on its described cavity former component 2.

Feature of the present invention also is described horizontal inner corner trim 7, vertical inner corner trim 9, horizontal chamfering 12, groove 15, raised line 19 self or be parallel, quadrature, oblique or grade separation mutually the formation grid is set.As shown in figure 17, its described horizontal inner corner trim 7, vertical inner corner trim 9, groove 15, raised line 19 self or be parallel, quadrature, grade separation setting each other.

Feature of the present invention also is to be provided with in the enclosed cavity of described cavity former component 2 at least one in stiffening rib 21, bracing boom 22, the reinforcing rib 23, perhaps there be in stiffening rib 21, the bracing boom 22 at least one to expose outside the cavity former component 2, perhaps also have reinforce 14 to expose on stiffening rib 21, bracing boom 22, the reinforcing rib 23, and be anchored in the steel bar concrete 1.As shown in figure 18, be provided with stiffening rib 21, bracing boom 22, reinforcing rib 23 in the enclosed cavity of its described cavity former component 2, wherein stiffening rib 21, bracing boom 22 expose outside the cavity former component 2.

Feature of the present invention also is to be provided with light material 24 in the enclosed cavity of described cavity former component 2.As shown in figure 19, be provided with light material 24 in the enclosed cavity of its described cavity former component 2, diagram light material 24 is an expanded perlite.

Feature of the present invention also be the upper plate 4 of described cavity former component 2 or on every side the wall of sidewall 5 be the wall of light material 24.As shown in figure 20, the upper plate 4 of its described cavity former component 2 is the wall of light material 24, and diagram light material 24 is the haydite concrete.

Feature of the present invention also be described upper plate 4 or on every side at least one in the sidewall 5 for or dismountable movable part 25 arranged.As shown in figure 21, its described upper plate 4 is set to dismountable movable part 25.

Feature of the present invention also is described upper plate 4, at least one in the external surface of sidewall 5 is corrugated, zigzag, plucking shape or exasperate external surface on every side.As shown in figure 22, its described upper plate 4 and on every side the external surface of sidewall 5 be the exasperate external surface.

Feature of the present invention is that also described cavity former component 2 is provided with align member 26.As shown in figure 23, its described cavity former component 2 is provided with align member 26.

Feature of the present invention is that also described cavity former component 2 is provided with connector 27 connected to one another between the cavity former component 2.As shown in figure 24, its described cavity former component 2 is provided with connector 27 connected to one another between the cavity former component 2.

Feature of the present invention is that also at least two above cavity former components 2 are connected as one by connector 27, constitute internal-rib die cavity 28 between the cavity former component 2, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 29 in internal-rib die cavity 28, and links to each other with cast-in-situ reinforced concrete rib 3.As shown in figure 25, its described a plurality of cavity former components 2 are connected as one by connector 27, constitute internal-rib die cavity 28 between the cavity former component 2, as shown in figure 26, its described a plurality of cavity former components 2 are connected as one by connector 27, constitute internal-rib die cavity 28 between the cavity former component 2, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 29 in internal-rib die cavity 28, and links to each other with cast-in-situ reinforced concrete rib 3.

Feature of the present invention is that also going to the bottom of described cavity former component 26 is the going to the bottom of cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, perhaps upper plate 4 or on every side sidewall 5 be the upper plate of Cement fibre, Cement fibre net, cement steel net, cement gauze wire cloth, concrete offset plate, wood glue plate, plastics, metal crimp template, lightweight concrete or sidewall on every side.As shown in figure 26,6 the going to the bottom of going to the bottom of its described cavity former component 2 for cement mortar.

Feature of the present invention is that also going to the bottom of described cavity former component 26 has toss 30, perhaps at least two above cavity former components 2 connect into cavity former component in groups by toss 30, constitute internal-rib die cavity 28 between the cavity former component 2, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 29 in internal-rib die cavity 28, and links to each other with cast-in-situ reinforced concrete rib 3.As shown in figure 27, going to the bottom of its described cavity former component 26 has toss 30, and a plurality of cavity former components 2 connect into cavity former component in groups by toss 30, constitutes internal-rib die cavity 28 between the cavity former component 2.

Feature of the present invention also is also to be provided with dark beam 31 in the described cast-in-situ reinforcing steel bar concrete hollow slab or/and bright beam 32.As shown in Figure 5, also be provided with dark beam 31 in its described cast-in-situ reinforcing steel bar concrete hollow slab, as shown in Figure 6, also be provided with bright beam 32 in its described cast-in-situ reinforcing steel bar concrete hollow slab.

During the invention process, press earlier construction requirement mounting bracket or template, lay cavity former component 2, re-lay the reinforcing bar of reinforcing bar or dark beam 31 or bright beam 32, and various steel pipe buried in advance spares, pour concrete after the acceptance(check), treat the concrete setting and harden after, 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 cast-in-situ reinforcing steel bar concrete hollow slab, comprise steel bar concrete (1), cavity former component (2), cavity former component (2) is wrapped up in and is contained in the steel bar concrete (1), cavity former component (2) alternately, be cast-in-situ reinforced concrete rib (3) each other, cavity former component (2) comprises upper plate (4), sidewall (5) on every side, go to the bottom (6), upper plate (4), sidewall (5) on every side, go to the bottom (6) surround polyhedron cavity former component (2), it is characterized in that the sidewall (5) on every side of described cavity former component (2) and at least one lateral corner place of the lower bottom part between (6) of going to the bottom are inner corner trim (7), formed the edge of a wing (8) of cast-in-situ reinforced concrete rib at inner corner trim (7) position Cast-in-place concrete, corresponding cast-in-situ reinforced concrete rib (3) has formed the inverted T shape rib, simultaneously, at least one vertical corner at cavity former component (2) is provided with vertical inner corner trim (9), and Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib (10) at vertical inner corner trim (9) position.

2, a kind of cast-in-situ reinforcing steel bar concrete hollow slab, comprise steel bar concrete (1), cavity former component (2), cavity former component (2) is wrapped up in and is contained in the steel bar concrete (1), cavity former component (2) alternately, be cast-in-situ reinforced concrete rib (3) each other, cavity former component (2) comprises upper plate (4), sidewall (5) on every side, go to the bottom (6), upper plate (4), sidewall (5) on every side, go to the bottom (6) surround polyhedron cavity former component (2), it is characterized in that the sidewall (5) on every side of described cavity former component (2) and at least one lateral corner place of the lower bottom part between (6) of going to the bottom are inner corner trim (7), formed the edge of a wing (8) of cast-in-situ reinforced concrete rib at inner corner trim (7) position Cast-in-place concrete, corresponding cast-in-situ reinforced concrete rib (3) has formed the inverted T shape rib, simultaneously, at least one vertical corner at cavity former component (2) is provided with vertical inner corner trim (9), Cast-in-place concrete has formed Cast-in-place concrete reinforcing rib (10) at vertical inner corner trim (9) position, the plate face of upper plate (4) or/and the bottom surface of go to the bottom (6) expose outside, respectively with the upper surface of concrete hollow board or/and bottom surface flushes, upper plate (4) is or/and go to the bottom (6) constitute on the concrete hollow board table or/and the structure-bearing member of going to the bottom.

3, according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that all lateral corner places of the bottom of described cavity former component (2) are inner corner trim (7), inner corner trim (7) is communicated with into the inner corner trim ring.

4, according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that the upper plate (4) of described cavity former component (2) or on every side sidewall (5) go to the bottom (6) or at least one of inner corner trim (7) in be superimposed with overlapping layers (11); Vertical corner all is set to vertical inner corner trim (9) around the perhaps described cavity former component (2).

5,, it is characterized in that the lateral corner place all around on described cavity former component (2) top is provided with horizontal inner corner trim (7) or horizontal chamfering (12) according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs; Perhaps described vertical inner corner trim (9) and laterally inner corner trim (7) or laterally orthogonal thereto each other or oblique or grade separation or ring friendship setting of chamfering (12); Perhaps described upper plate (4) or sidewall (5) or go to the bottom (6) are provided with the carrying part (13) of convenient carrying on every side.

6, according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that described upper plate (4), contain reinforce (14) at least one of sidewall (5), go to the bottom (6) on every side, perhaps there is reinforce (14) to expose, and is anchored in the steel bar concrete (1); There is reinforce (14) to stretch into and be anchored in upper plate (4) or go to the bottom (6) in the sidewall (5) around perhaps described, or has reinforce (14) to stretch into and be anchored on every side in the sidewall (5) in upper plate (4) or go to the bottom (6); The horizontal profile of perhaps described polyhedron cavity former component (2) or vertical cross section are shaped as rectangle, square, polygon, arc angle polygon, inner corner trim polygon, multi sphere limit shape, corrugated or circular.

7,, it is characterized in that also being provided with on the described cavity former component (2) at least one in groove (15), pit (16), hole (17), boss module (18), raised line (19), the external corner (20) according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs; Perhaps described horizontal inner corner trim (7), vertical inner corner trim (9), laterally chamfering (12), groove (15), raised line (19) self or be parallel, quadrature, oblique or grade separation mutually the formation grid is set; Be provided with at least one in stiffening rib (21), bracing boom (22), the reinforcing rib (23) in the enclosed cavity of perhaps described cavity former component (2), perhaps there be in stiffening rib (21), the bracing boom (22) at least one to expose outside the cavity former component (2), perhaps stiffening rib (21), bracing boom (22), reinforcing rib (23) are gone up and are also had reinforce (14) to expose, and are anchored in the steel bar concrete (1).

8,, it is characterized in that being provided with light material (24) in the enclosed cavity of described cavity former component (2) according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs; The upper plate (4) of perhaps described cavity former component (2) or on every side the wall of sidewall (5) be the wall of light material (24); Perhaps described upper plate (4) or on every side at least one in the sidewall (5) for or dismountable movable part (25) arranged; Perhaps described upper plate (4), at least one in the external surface of sidewall (5) is corrugated, zigzag, plucking shape or exasperate external surface on every side.

9,, it is characterized in that described cavity former component (2) is provided with align member (26) according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs; Perhaps described cavity former component (2) is provided with connector connected to one another (27) between the cavity former component (2); Perhaps at least two above cavity former components (2) are connected as one by connector (27), constitute internal-rib die cavity (28) between the cavity former component (2), cast-in-situ reinforced concrete (1) has formed cast-in-situ reinforced concrete internal-rib (29) in internal-rib die cavity (28), and links to each other with cast-in-situ reinforced concrete rib (3).

10, according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that the going to the bottom of described cavity former component (2) (6) is the going to the bottom of cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, perhaps upper plate (4) or on every side sidewall (5) be the upper plate of Cement fibre, Cement fibre net, cement steel net, cement gauze wire cloth, concrete offset plate, wood glue plate, plastics, metal crimp template, lightweight concrete or sidewall on every side; Go to the bottom (6) of perhaps described cavity former component (2) have toss (30), perhaps at least two above cavity former components (2) connect into cavity former component in groups by toss (30), constitute internal-rib die cavity (28) between the cavity former component (2), cast-in-situ reinforced concrete (1) has formed cast-in-situ reinforced concrete internal-rib (29) in internal-rib die cavity (28), and links to each other with cast-in-situ reinforced concrete rib (3); Also be provided with dark beam (31) in the perhaps described cast-in-situ reinforcing steel bar concrete hollow slab or/and bright beam (32).

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