CN1840793A - Cast-in-situ reinforced concrete hollow slab - Google Patents
Cast-in-situ reinforced concrete hollow slab Download PDFInfo
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- CN1840793A CN1840793A CN 200510065409 CN200510065409A CN1840793A CN 1840793 A CN1840793 A CN 1840793A CN 200510065409 CN200510065409 CN 200510065409 CN 200510065409 A CN200510065409 A CN 200510065409A CN 1840793 A CN1840793 A CN 1840793A
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Abstract
Disclosed is a cast-in-situ reinforced-bar concrete hollow slab, which comprises a reinforced-bar concrete (1) and hollow shuttering members (2), the hollow shuttering member (2) are enclosed in the reinforced-bar concrete (1), the hollow shuttering members (2) are arranged alternatively, a cast-in-situ reinforced-bar concrete rib (3) is arranged between them, the hollow shuttering members (2) comprise an upper board (4), peripheral side panels (5), and a lower bottom (6), the upper board (4), the peripheral side panels (5), and the lower bottom (6) enclose a polyhedral hollow shuttering member, characterized in that at least one of the hollow shuttering member's upper board (4), peripheral side panels (5), and the lower bottom (6) is provided with a lightweight material matrix (7). The invention can be applied to various cast-in-situ reinforced-bar concrete or prestressed reinforced-bar concrete building slabs, house roofings, foundation slabs, walls, and bridges, especially for flat slabs.
Description
(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 light tyre moulding members, in Cast-in-place Concrete Building Floor, 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 when this light tyre moulding member was big, weight was heavier relatively, and carrying, construction be trouble, and after the use, year is prone to the crack between cast-in-situ reinforced concrete rib and the light tyre moulding member for a long time.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 easy construction, can prevent the characteristics such as crack generation between cast-in-situ reinforced concrete rib and the cavity former component.
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 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, it is characterized in that the upper plate of described cavity former component, sidewall, at least a basic unit that goes to the bottom are light material on every side.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, because the upper plate of cavity former component, sidewall on every side, at least a basic unit in going to the bottom is a light material, thereby the weight of cavity former component is lighter relatively, the carrying easy construction, simultaneously because weight saving, the corresponding crack generation that prevents between cast-in-situ reinforced concrete rib and the cavity former component, thereby reached purpose of the present invention, in addition, cast-in-situ reinforcing steel bar concrete hollow slab also has simple in structure, easy construction, characteristics such as cost is low are applicable to various cast-in-situ reinforced concretes or prestressed reinforced concrete superstructure, roof system, sole plate, body of wall, bridge uses, and is specially adapted to arch without beam and uses.
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, the upper plate that it is characterized in that described cavity former component, sidewall on every side, at least a basic unit that goes to the bottom is a light material, the plate face of upper plate or/and the bottom surface of going to the bottom expose outside, respectively with the upper surface of cast-in-situ reinforcing steel bar concrete hollow slab or/and bottom surface flushes, upper plate or/and go to the bottom constitutes on the cast-in-situ reinforcing steel bar concrete hollow slab table or/and the structure-bearing member of going to the bottom.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, because the upper plate of cavity former component, sidewall on every side, at least a basic unit in going to the bottom is a light material, thereby the weight of cavity former component is lighter relatively, the carrying easy construction, simultaneously because weight saving, the corresponding crack generation that prevents between cast-in-situ reinforced concrete rib and the cavity former component, thereby reached purpose of the present invention, 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, and structure is simpler, be applicable to various cast-in-situ reinforced concretes or prestressed reinforced concrete superstructure, roof system, sole plate, body of wall, bridge uses, and is specially adapted to arch without beam and uses.
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, perhaps the reinforce in separately stretches in the matrix of each adjacent member drawknot mutually.Reinforce 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 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-situ reinforced 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.
Feature of the present invention is that also described light material is at least a of foamed plastics, expanded perlite, expanded vermiculite, haydite concrete, cementing foamed plastics grain concrete, aerating concrete or foam concrete.Like this, shuttering member has better sound insulation, heat insulation, heat-insulating property; The diversity of its material category is drawn materials when being convenient to produce nearby, help reducing production costs, the insulation of corresponding cast-in-situ reinforced concrete plate, heat insulation, sound insulation value is better, and helps reducing construction cost.
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 or go to the bottom at least one in be provided with a slice overlapping layers at least.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 described overlapping layers is plastic plate, sheet iron, mortar plate, fiberboard, waterproof board, concrete plate, light aggregate concrete plate, thistle board or cystosepiment.Like this, the variation of overlapping layers helps construction and selects for use with designing unit.
Feature of the present invention is that also the horizontal profile of described cavity former component or vertical cross section are shaped as rectangle, square, polygon, arc angle polygon, chamfering 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 is that also described cavity former component is provided with at least one in groove, inner corner trim, chamfering, 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 groove, inner corner trim, chamfering, raised line self or is parallel, quadrature, oblique or grade separation setting mutually.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, bracing boom, the reinforcing rib 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, perhaps muscle, net reinforce are revealed in the superimposed or superimposed back of the wall of stiffening rib, bracing boom, reinforcing rib and cavity former component, and are 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 described upper plate, at least one in sidewall, the external surface of going to the bottom 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 also that at least two above cavity former components are connected as one by connector and constitutes assembly in groups, 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, 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 also be cavity former component upper plate, go to the bottom at least one in the bridging piece that is extended with bridging piece or reveals reinforce.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.
Feature of the present invention is also that a plurality of cavity former components connect as one by bridging piece and constitutes assembly in groups, 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, a plurality of cavity former components connect into the gang mould mould component by toss, and 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 to be provided with in the described internal-rib die cavity fixed or movable support draw piece.Like this, in cast-in-situ reinforcing steel bar concrete hollow slab, the shuttering member construction is laid more convenient; If the support draw piece is the flexible staybolt draw piece, after cavity former component installs, the dismounting of flexible staybolt draw piece can be reclaimed secondary uses, reduce the cost of production of cavity former component, simultaneously, behind the dismounting support draw piece, reinforcing bar can be laid in the internal-rib die cavity very easily, concrete also can pour in the internal-rib die cavity swimmingly, and it is more convenient to construct, and efficiency of construction is higher.
Feature of the present invention is also that described shuttering member is all wrapped up in and is contained in the steel bar concrete.Like this, when cavity former component is all wrapped up in when being contained in the steel bar concrete, the sound insulation of cast-in-situ reinforcing steel bar concrete hollow slab, heat insulation and fireproof performance is better simultaneously, can improve the combination property of the hollow concrete plate of cast in place reinforced bar effectively.
Feature of the present invention also is also to be provided with dark beam or/and bright beam in the described cast-in-situ reinforced concrete plate.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 one of structural representation of embodiment of the invention cavity shuttering member 2.
Fig. 6 be embodiment of the invention cavity shuttering member 2 structural representation two.
Fig. 7 be embodiment of the invention cavity shuttering member 2 structural representation three.
Fig. 8 be embodiment of the invention cavity shuttering member 2 structural representation four.
Fig. 9 be embodiment of the invention cavity shuttering member 2 structural representation five.
Figure 10 be embodiment of the invention cavity shuttering member 2 structural representation six.
Figure 11 be embodiment of the invention cavity shuttering member 2 structural representation seven.
Figure 12 be embodiment of the invention cavity shuttering member 2 structural representation eight.
Figure 13 be embodiment of the invention cavity shuttering member 2 structural representation nine.
Figure 14 be embodiment of the invention cavity shuttering member 2 structural representation ten.
Figure 15 be embodiment of the invention cavity shuttering member 2 structural representation 11.
Figure 16 be embodiment of the invention cavity shuttering member 2 structural representation 12.
Figure 17 be embodiment of the invention cavity shuttering member 2 structural representation 13.
Figure 18 be embodiment of the invention cavity shuttering member 2 structural representation 14.
Figure 19 be embodiment of the invention cavity shuttering member 2 structural representation 15.
Figure 20 be embodiment of the invention cavity shuttering member 2 structural representation 16.
Figure 21 is the structural representation of the embodiment of the invention 5.
Figure 22 is the structural representation of the embodiment of the invention 6.
(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 comprise upper plate 4, on every side sidewall 5, go to the bottom 6, upper plate 4, on every side sidewall 5, going to the bottom 6 surrounds the polyhedron cavity former component, it is characterized in that the upper plate 4 of described cavity former component, sidewall 5,6 at least a basic unit of going to the bottom are light material 7 on every side.In each accompanying drawing, 1 is steel bar concrete, and 2 is shuttering member, 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 light material, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, cast-in-situ reinforcing steel bar concrete hollow slab 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 comprise upper plate 4, on every side sidewall 5, go to the bottom 6, upper plate 4, on every side sidewall 5, going to the bottom 6 surrounds the polyhedron cavity former component, the upper plate 4 of its described cavity former component, sidewall 5,6 the basic unit of going to the bottom are light material 7 on every side.Be illustrated in figure 5 as the structural representation of cavity former component 2.
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 the polyhedron cavity former component, the upper plate 4 that it is characterized in that described cavity former component, sidewall 5 on every side, go to the bottom 6 at least a basic unit is a light material 7, 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 cast-in-situ reinforcing steel bar concrete hollow slab or/and bottom surface flushes, upper plate 46 constitutes on the cast-in-situ reinforcing steel bar concrete hollow slabs table or/and the structure-bearing member of going to the bottom or/and go to the bottom.As shown in Figure 2, the upper plate 4 of its described cavity former component is a concrete, sidewall 5,6 the basic unit of going to the bottom are light material 7 on every side, the plate face of upper plate 4 exposes outside, upper surface flush with cast-in-situ reinforcing steel bar concrete hollow slab, upper plate 4 constitutes the structure-bearing member of showing on the cast-in-situ reinforcing steel bar concrete hollow slabs, the thickness of upper plate 4 than around sidewall 5 and go to the bottom 6 thick.As shown in Figure 3, the upper plate 4 of its described cavity former component, sidewall 5,6 the basic unit of going to the bottom are light material 7 on every side, go to the bottom 6 bottom surface exposes outside, and flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, goes to the bottom 6 to constitute the structure-bearing member that cast-in-situ reinforcing steel bar concrete hollow slabs are gone to the bottom.As shown in Figure 4, the upper plate 4 of its described cavity former component is a concrete, sidewall 5,6 the basic unit of going to the bottom are light material 7 on every side, the plate face of upper plate 4 and 6 the bottom surface of going to the bottom expose outside, flush with the upper surface and the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab respectively, the upper plate 4 and the 6 structure-bearing members that constitute table on the concrete hollow boards and go to the bottom of going to the bottom, the thickness of upper plate 4 than around sidewall 5 and go to the bottom 6 thick.
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 8, perhaps there is reinforce 8 to expose, and be anchored in the steel bar concrete 1, perhaps the reinforce 8 in separately stretches in the matrix of each adjacent member drawknot mutually.As shown in Figure 6, its described around reinforce 8 in sidewall 5 stretch in 6 the matrix of going to the bottom drawknot mutually.
Feature of the present invention is that also described light material 7 is at least a of foamed plastics, expanded perlite, expanded vermiculite, haydite concrete, cementing foamed plastics grain concrete, aerating concrete or foam concrete.As shown in Figure 7, its described light material 7 is an expanded perlite.
Feature of the present invention also is described upper plate 4 or the sidewall 5 or the 6 carrying parts 9 that are provided with convenient carrying of going to the bottom on every side.As shown in Figure 8, its described sidewall 5 on every side is provided with the carrying part 9 of convenient carrying.
Feature of the present invention also be described upper plate 4, on every side sidewall 5 or go to the bottom 6 at least one in be provided with a slice overlapping layers 10 at least.As shown in Figure 9, its described going to the bottom is provided with overlapping layers 10 in 6.
Feature of the present invention is that also described overlapping layers 1 is plastic plate, sheet iron, mortar plate, fiberboard, waterproof board, concrete plate, light aggregate concrete plate, thistle board or cystosepiment.As shown in figure 10, its described overlapping layers 10 is the lightweight aggregate plate.
Feature of the present invention is that also the horizontal profile of described cavity former component 2 or vertical cross section are shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular.As shown in figure 11, the horizontal profile of its described cavity former component 2 is shaped as the chamfering polygon.
Feature of the present invention is that also described cavity former component 2 is provided with at least one in groove 11, inner corner trim 12, chamfering 13, pit 14, hole 15, boss module 16, raised line 17, the external corner 18.As shown in figure 12, be provided with inner corner trim 12, pit 14 and boss module 16 simultaneously on its described cavity former component 2.
Feature of the present invention also is described groove 11, inner corner trim 12, chamfering 13, raised line 17 self or is parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 13, its described groove 11, inner corner trim 12, chamfering 13 and raised line 17 self or be parallel, quadrature mutually and the grade separation setting.
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 19, bracing boom 2, the reinforcing rib 21, perhaps there be in stiffening rib 19, bracing boom 2, the reinforcing rib 21 at least one to expose outside the cavity former component, perhaps also have reinforce 8 to expose on stiffening rib 19, bracing boom 2, the reinforcing rib 21, and be anchored in the steel bar concrete 1, perhaps stiffening rib 19, bracing boom 2, reinforcing rib 21 reveal muscle, net reinforce 8 with the superimposed or superimposed back of the wall of cavity former component 2, and are anchored in the steel bar concrete 1.As shown in figure 14, be provided with stiffening rib 19, bracing boom 20 and reinforcing rib 21 in the enclosed cavity of its described cavity former component 2, stiffening rib 19 and bracing boom 20 expose outside the cavity former component, and are anchored in the steel bar concrete 1 of cast-in-situ reinforced concrete plate.
Feature of the present invention also is described upper plate 4, at least one in sidewall 5,6 the external surface of going to the bottom is corrugated, zigzag, plucking shape or exasperate external surface on every side.As shown in figure 15, the external surface of its described upper plate 4 is corrugated external surface.
Feature of the present invention is that also described cavity former component 2 is provided with align member 22.As shown in figure 16, its described cavity former component 2 is provided with align member 22.
Feature of the present invention is that also described cavity former component is provided with connector 23 connected to one another between the cavity former component.As shown in figure 17, its described cavity former component is provided with connector 23 connected to one another between the cavity former component.
Feature of the present invention is also that at least two above cavity former components are connected as one by connector 23 and constitutes assembly in groups, constitute internal-rib die cavity 24 between the cavity former component, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 25 in internal-rib die cavity 24, and links to each other with cast-in-situ reinforced concrete rib 3.As shown in figure 18, its described a plurality of cavity former components are connected as one by connector 23 and constitute assembly in groups, constitute internal-rib die cavity 24 between the cavity former component.As shown in figure 21, its described a plurality of cavity former components are connected as one by connector 23 and constitute assembly in groups, constitute internal-rib die cavity 24 between the cavity former component, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 25 in internal-rib die cavity 24, and links to each other with cast-in-situ reinforced concrete rib 3.
Feature of the present invention also be cavity former component upper plate 4, go to the bottom 6 at least one in the bridging piece 26 that is extended with bridging piece 26 or reveals reinforce 8.As shown in figure 19, going to the bottom of its described cavity former component is extended with bridging piece 26 in 6.
Feature of the present invention is also that a plurality of cavity former components connect as one by bridging piece 26 and constitutes assembly in groups, constitute internal-rib die cavity 24 between the cavity former component, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 25 in internal-rib die cavity 24, and links to each other with cast-in-situ reinforced concrete rib 3.As shown in figure 20, its described a plurality of cavity former components connect as one by bridging piece 26 and constitute assembly in groups, constitute internal-rib die cavity 24 between the cavity former component.As shown in figure 22, its described a plurality of cavity former components connect as one by bridging piece 26 and constitute assembly in groups, constitute internal-rib die cavity 24 between the cavity former component, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 25 in internal-rib die cavity 24, and links to each other with cast-in-situ reinforced concrete rib 3.
Feature of the present invention also is to be provided with in the described internal-rib die cavity 24 fixed or movable support draw piece 27.As shown in figure 20, be provided with fixing support draw piece 27 in its described internal-rib die cavity 24.
Feature of the present invention is also that described shuttering member 2 is all wrapped up in and is contained in the steel bar concrete 1.As shown in Figure 1, its described shuttering member 2 is all wrapped up in and is contained in the steel bar concrete 1.
Feature of the present invention also is also to be provided with dark beam 28 or/and bright beam 29 in the described cast-in-situ reinforced concrete plate.As shown in Figure 1, also be provided with dark beam 28 and bright beam 29 in its described cast-in-situ reinforced concrete plate.
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 28 or bright beam 29, 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 the polyhedron cavity former component, it is characterized in that the upper plate (4) of described cavity former component, sidewall (5) on every side, the go to the bottom at least a basic unit of (6) is light material (7).
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 the polyhedron cavity former component, the upper plate (4) that it is characterized in that described cavity former component, sidewall (5) on every side, the go to the bottom at least a basic unit of (6) is light material (7), 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 described upper plate (4), contain reinforce (8) at least one of sidewall (5), go to the bottom (6) on every side, perhaps there is reinforce (8) to expose, and be anchored in the steel bar concrete (1), perhaps the reinforce (8) in separately stretches in the matrix of each adjacent member drawknot mutually.
4,, it is characterized in that described light material (7) is at least a of foamed plastics, expanded perlite, expanded vermiculite, haydite concrete, cementing foamed plastics grain concrete, aerating concrete or foam concrete according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
5,, it is characterized in that described upper plate (4) or sidewall (5) or go to the bottom (6) are provided with the carrying part (9) of convenient carrying on every side according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
6,, it is characterized in that described upper plate (4), be provided with a slice overlapping layers (10) at least at least one of sidewall (5) or go to the bottom (6) on every side according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs; Perhaps overlapping layers (10) is plastic plate, sheet iron, mortar plate, fiberboard, waterproof board, concrete plate, light aggregate concrete plate, thistle board or cystosepiment; Perhaps the horizontal profile of cavity former component (2) or vertical cross section are shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular.
7,, it is characterized in that described cavity former component (2) is provided with at least one in groove (11), inner corner trim (12), chamfering (13), pit (14), hole (15), boss module (16), raised line (17), the external corner (18) according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs; Perhaps groove (11), inner corner trim (12), chamfering (13), raised line (17) self or be parallel, quadrature, oblique or grade separation setting mutually; Perhaps be provided with stiffening rib (19) in the enclosed cavity of cavity former component (2), bracing boom (20), in the reinforcing rib (21) at least one, stiffening rib (19) is perhaps arranged, bracing boom (20), in the reinforcing rib (21) at least one exposed outside the cavity former component, perhaps stiffening rib (19), bracing boom (20), reinforcing rib (21) is gone up also has reinforce (8) to expose, and be anchored in the steel bar concrete (1), perhaps stiffening rib (19), bracing boom (20), reinforcing rib (21) reveals muscle with the superimposed or superimposed back of the wall of cavity former component (2), net reinforce (8), and be anchored in the steel bar concrete (1).
8,, it is characterized in that described upper plate (4), at least one in the external surface of sidewall (5), go to the bottom (6) is corrugated, zigzag, plucking shape or exasperate external surface on every side according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs; Perhaps cavity former component (2) is provided with align member (22); Perhaps cavity former component is provided with connector connected to one another (23) between the cavity former component; Perhaps at least two above cavity former components are connected as one by connector (23) and constitute assembly in groups, constitute internal-rib die cavity (24) between the cavity former component, cast-in-situ reinforced concrete (1) has formed cast-in-situ reinforced concrete internal-rib (25) in internal-rib die cavity (24), and links to each other with cast-in-situ reinforced concrete rib (3).
9, according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, the bridging piece (26) that it is characterized in that being extended with bridging piece (26) at least one of the upper plate (4) of cavity former component, go to the bottom (6) or reveal reinforce (8); Perhaps a plurality of cavity former components connect as one by bridging piece (26) and constitute assembly in groups, constitute internal-rib die cavity (24) between the cavity former component, cast-in-situ reinforced concrete (1) has formed cast-in-situ reinforced concrete internal-rib (25) in internal-rib die cavity (24), and links to each other with cast-in-situ reinforced concrete rib (3); Perhaps be provided with fixed or movable support draw piece (27) in the internal-rib die cavity (24).
10,, it is characterized in that described shuttering member (2) is all wrapped up in to be contained in the steel bar concrete (1) according to claim 1 or 2 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs; Perhaps also be provided with dark beam (28) in the cast-in-situ reinforced concrete plate or/and bright beam (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510065409 CN1840793A (en) | 2005-03-31 | 2005-03-31 | Cast-in-situ reinforced concrete hollow slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510065409 CN1840793A (en) | 2005-03-31 | 2005-03-31 | Cast-in-situ reinforced concrete hollow slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1840793A true CN1840793A (en) | 2006-10-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510065409 Pending CN1840793A (en) | 2005-03-31 | 2005-03-31 | Cast-in-situ reinforced concrete hollow slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1840793A (en) |
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2005
- 2005-03-31 CN CN 200510065409 patent/CN1840793A/en active Pending
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Open date: 20061004 |