CN1804278A - Reinforced concrete hollow slab - Google Patents

Abstract

Disclosed is a 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 (2), the lower bottom (6) projects from at least one of the peripheral side panels (5) to form a cantilever slab (7), the floor of the lower bottom (6) is aligned with the floor of the cast-in-situ reinforced-bar hollow slab, characterized in that at least one of the peripheral walls (5) or the upper board (4) of the hollow shuttering member (2) or both of them are provided with a convex module (8). The invention can be applied to cast-in-situ reinforced-bar concrete hollow slabs, storied building covers, house roofings, walls, foundation bedplates and hollow bridges, especially for hollow flat slabs.1

Description

A kind of concrete hollow board

(1) technical field

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

(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 concrete hollow board plate " 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 former component, this cavity former component 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, in addition, this kind polyhedron cavity former component, in order to save construction formwork, go to the bottom also and can stretch out the formation bridging piece from sidewall on every side, bridging piece can be used as the stay in place formwork of the Cast-in-place concrete rib between the cavity former component, helps improving speed of application, reduces construction cost.Simultaneously, this cavity former component also has 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 after this cavity former component was applied to the cast-in-situ concrete hollow concrete hollow board, the concrete hollow board weight of formation was still heavier relatively, was unfavorable for antidetonation and saved material, therefore, developed a kind of novel concrete hollow board for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of concrete hollow board, have characteristics such as in light weight, that anti-seismic performance good, save material, cost is low.

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, go to the bottom and stretch out the formation bridging piece from least one sidewall on every side, the bottom surface of going to the bottom flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, it is characterized in that around at least one of described cavity former component that sidewall or upper plate or both are provided with at least one convex module.Like this, because sidewall or upper plate are provided with the convex module around the cavity former component, can find time steel bar concrete in the concrete hollow board, thereby the weight of concrete hollow board is lighter relatively, anti-seismic performance is good, mechanical property is improved greatly, and, the material of concrete hollow board is economized, construction cost is low, thereby reached purpose of the present invention, the hollowcore slab, superstructure, roof system, body of wall, sole plate and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are particularly useful for hollow arch without beam and use.

Feature of the present invention also is described going to the bottom to being gone to the bottom by the template and constitute jointly superimposed of going to the bottom.Like this, earlier prefabricated one side is the hollow mould shell of opening, in its opening, be embedded template after, set the bed material slurry again on the template upper berth, maintenance removes the moulding form of going to the bottom after stipulate the length of time, promptly obtains going to the bottom being the superimposed cavity former component of template; Its template and common superimposed the going to the bottom that constitutes of going to the bottom have characteristics such as intensity is big, easy to make, can realize flowing water production, reduced the cost of cavity former component significantly, helped applying of cavity former component, the corresponding construction cost that reduces concrete hollow board.

Feature of the present invention also is described upper plate or sidewall or bridging piece are provided with the carrying part of convenient carrying on every side.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 reducing construction cost.

Feature of the present invention is that also described going to the bottom stretch out bridging piece from the adjacent both sides of sidewall on every side and constitute L shaped bridging piece, perhaps goes to the bottom and all stretch out the annular bridging piece in bridging piece formation side around sidewall on every side.Like this, its bridging piece that stretches out can replace construction formwork, has reduced the loss of template, simultaneously, has saved the installation procedure of template, has improved efficiency of construction greatly, has reduced the integrated cost of concrete hollow board.

Feature of the present invention is that also at least one side of described upper plate is extended with bridging piece, and the end face of upper plate flushes with the end face of cast-in-situ reinforcing steel bar concrete hollow slab.Like this, the bridging piece that stretches out can form superimposed concrete hollow board with Cast-in-place concrete, has reduced the consumption of Cast-in-place concrete, has reduced the comprehensive cost of concrete hollow board; Simultaneously, upper plate and the bridging piece of going to the bottom and stretching out, the template that all can be used as the body of wall both sides is used, and can improve efficiency of construction greatly, reduces construction cost, the corresponding construction cost that reduces concrete hollow board.

Feature of the present invention also is at least one convex module is all arranged on all sidewalls around described.Like this, its convex module is found time the concrete on the cast-in-situ reinforced concrete rib between the cavity former component, has further reduced the consumption of concrete, has alleviated the weight of concrete hollow board, improve the anti-seismic performance of concrete hollow board, improved the comprehensive mechanical property of concrete hollow board.

Feature of the present invention also is describedly to constitute groove between a plurality of convex modules of sidewall around same.Like this, a plurality of convex modules are found time the concrete that does not stress on the cast-in-situ reinforced concrete rib between the cavity former component, reduced the consumption of concrete, alleviated the weight of concrete hollow board, simultaneously, Cast-in-place concrete pours in the groove between the convex module, has formed various shaft-like Cast-in-place concretes and add competent structure on the cast-in-situ reinforced concrete rib, has strengthened the force structure of concrete hollow board greatly.

Feature of the present invention also is the integral body that described convex module and cavity former component are formed in one.Like this, global formation cavity former component to have technology simple, advantage easy to make, simultaneously, the cavity former component good integrity, pile up, transport, not fragile in the installation, work progress, reduced the breakage rate of member, the corresponding construction cost that reduces concrete hollow board significantly.

Feature of the present invention is that also described convex module and cavity former component are for dividing the body formed fixed or movable whole member that connects into.Like this, can when concrete hollow board is constructed, can dismantle and install the convex module at any time easily, accelerate speed of application greatly, improve efficiency of construction according to designing requirement and construction needs.

Feature of the present invention also be described upper plate, on every side sidewall, go to the bottom, bridging piece, convex module at least one in contain reinforce, perhaps have reinforce to expose, and be bonded to integral body with Cast-in-place concrete.Reinforce is at least a in reinforcing bar, steel wire, presstressed reinforcing steel, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, strap, the braid over braid.Like this, upper plate, on every side sidewall, go to the bottom or bridging piece 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, need not repair yet, can continue to come into operation.If also have reinforce to expose the cavity former component outside on the cavity former component, the reinforce and the Cast-in-place concrete that expose combine, and can improve the bond stress between Cast-in-place concrete and the cavity former component greatly, optimize the performance of whole hollow steel bar concrete hollow board; 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 also be have reinforce to stretch in the described sidewall and be anchored at go to the bottom or toss in, perhaps go to the bottom or bridging piece in have reinforce to stretch into and be anchored in the sidewall.Like this, have reinforce to stretch into and be anchored in the sidewall to go to the bottom interior or bridging piece in, go to the bottom or bridging piece in have reinforce to stretch into and be anchored in the sidewall, thereby, improved sidewall greatly and go to the bottom between bonding strength, can effectively guarantee cavity former component in transportation, installation, work progress, sidewall and go to the bottom or bridging piece between do not ftracture, loosening, do not come off, reduced the breakage rate of cavity former component significantly, the corresponding construction cost that reduces concrete hollow board.

Feature of the present invention is that also the horizontal profile of described cavity former component is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular.Like this, the variation of cavity former component shape, make concrete hollow board construction after, correspondingly formed various difform cast-in-situ concrete structures, thereby made that the structure of concrete hollow board is more reasonable, made things convenient for design and construction unit to select for use.

Feature of the present invention also is also to be provided with on the described cavity former component at least one in groove, inner corner trim, chamfering, pit, hole, raised line, the external corner.Like this, Cast-in-place concrete pours in groove, inner corner trim, chamfering, 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 concrete hollow board, further alleviate the weight of concrete hollow board self, save the consumption of concrete, reduce the cost of concrete hollow board.

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, groove on the cavity former component, inner corner trim, chamfering, raised line self or be parallel, quadrature, oblique or grade separation setting mutually, 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 concrete hollow board 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, the bracing boom, and be bonded to integral body with Cast-in-place concrete.Like this, stiffening rib, bracing boom, reinforcing rib that is provided with in the cavity former component or the stiffening rib that exposes, bracing boom can form the cast-in-place and prefabricated composite construction that combines with Cast-in-place concrete, have optimized concrete hollow intralamellar part stress system.If also have reinforce to expose on it, then cavity former component and Cast-in-place concrete bonding is more firm, and the mechanical property of concrete hollow board 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, concrete hollow board has 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., and the diversity of its light material kind is drawn materials when being convenient to produce nearby, helps reducing production costs.

Feature of the present invention is that also in described upper plate or the sidewall at least one is for dismountable movable part.Like this, when concrete hollow board is constructed, 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, drench shower nozzle etc. as junction box, hydroelectric line, fire-fighting at inner other parts of installing of cavity former component.

Feature of the present invention also is described upper plate, at least one in the external surface of sidewall, bridging piece is corrugated, zigzag, plucking shape or exasperate external surface on every side.Like this, because of its 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 can improve the overall performance of concrete hollow board greatly.

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 or other device.Like this, can accurately locate, prevent that phenomenons such as cavity former component floats, displacement from producing when building concrete, simultaneously, also can carry out spacingly, guarantee the pouring quality of concrete hollow board effectively reinforcing bar to cavity former component.

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, 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 concrete hollow board internal construction; Simultaneously, also help cavity former component connection location each other, accelerate speed of application.

Feature of the present invention is that also at least two above cavity former components are connected as one by bridging piece, constitutes the internal-rib die cavity between the cavity former component, and Cast-in-place 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, Cast-in-place concrete enters in the internal-rib die cavity, has formed the Cast-in-place concrete internal-rib, has improved the mechanical property of concrete hollow board; Simultaneously, cavity former component is connected as one by bridging piece, has constituted the hollow mould shell assembly, thereby, improved the efficiency of construction and the speed of application of concrete hollow board greatly.

Feature of the present invention also is to be provided with in the described internal-rib die cavity fixed or movable support draw piece.The support draw piece can be rod member, rope, plate, muscle, silk, thin band, pier, piece etc.Like this, owing to be provided with the support draw piece, cavity former component in groups is when the carrying construction, because the support or the drawknot effect of support draw piece, significantly reduced the breakage rate of cavity former component in groups, when cast-in-situ reinforcing steel bar concrete hollow slab was constructed, installation speed was fast, high efficiency can improve the speed of application of concrete hollow board greatly.

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

(4) description of drawings

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

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

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

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

Fig. 5 is one of structural representation of embodiment of the invention 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 be embodiment of the invention cavity shuttering member 2 structural representation 17.

Figure 22 be embodiment of the invention cavity shuttering member 2 structural representation 18.

Figure 23 be embodiment of the invention cavity shuttering member 2 structural representation 19.

Figure 24 be embodiment of the invention cavity shuttering member 2 structural representation 20.

Figure 25 be embodiment of the invention cavity shuttering member 2 structural representation 21.

Figure 26 be embodiment of the invention cavity shuttering member 2 structural representation 22.

Figure 27 is the structural representation of the embodiment of the invention 5.

(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, go to the bottom 6 around at least one sidewall 5 stretch out and constitute bridging piece 7, go to the bottom 6 bottom surface flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, it is characterized in that around at least one of described cavity former component 2 that sidewall 5 or upper plate 4 or both are provided with at least one convex module 8.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 bridging piece, 8 is the convex module, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, concrete hollow board 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 polyhedron cavity former component 2, go to the bottom and 6 stretch out from sidewall 5 on every side and to constitute bridging piece 7, go to the bottom 6 bottom surface flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, and the upper plate 4 of cavity former component 2 is provided with a convex module 8.Fig. 1,2,3,4 structural representations of in concrete hollow board, using for Cavity structural member 2 shown in Figure 5.

Feature of the present invention also be described go to the bottom 6 for by template 9 with go to the bottom 6 superimposed the going to the bottom that constitute jointly.As shown in Figure 6, its described go to the bottom 6 for by template 9 with go to the bottom 6 superimposed the going to the bottom that constitute jointly.

Feature of the present invention also is described upper plate 4 or sidewall 5 or bridging piece 7 are provided with the carrying part 10 of convenient carrying on every side.As shown in Figure 7, its described bridging piece 7 is provided with the carrying part 10 of convenient carrying.

Feature of the present invention is that also described going to the bottom 6 stretch out bridging piece 7 from the adjacent both sides of sidewall 5 on every side and constitute L shaped bridging piece, perhaps goes to the bottom 6 all to stretch out the annular bridging piece in bridging piece 7 formation sides around sidewall 5 on every side.As shown in Figure 8, its described going to the bottom 6 is stretched out bridging piece 7 from the adjacent both sides of sidewall 5 on every side and is constituted L shaped bridging piece.

Feature of the present invention is that also at least one side of described upper plate 4 is extended with bridging piece 7, and the end face of upper plate 4 flushes with the end face of cast-in-situ reinforcing steel bar concrete hollow slab.As shown in Figure 9, at least one side of its described upper plate 4 is extended with bridging piece 7, and in the concrete hollow board construction, the end face of upper plate 4 flushes with the end face of cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention also is at least one convex module 8 is all arranged on all sidewalls 5 around described.As shown in figure 10, it all has convex module 8 on all sidewalls 5 around described.

Feature of the present invention also is describedly to constitute groove 11 between a plurality of convex modules 8 of sidewall 5 around same.As shown in figure 11, constitute groove 11 between a plurality of convex modules 8 of its described same sidewall 5 on every side.

Feature of the present invention also is the integral body that described convex module 8 and cavity former component 2 are formed in one.As shown in figure 12, the integral body that is formed in one of its described convex module 8 and cavity former component 2.

Feature of the present invention is that also described convex module 8 and cavity former component 2 are the body formed fixed or movable whole member that connects into of branch.As shown in figure 13, its described convex module 8 is fixedly connected into whole member with cavity former component 2 for branch is body formed.

Feature of the present invention also be described upper plate 4, on every side sidewall 5, go to the bottom 6, bridging piece 7, convex module 8 at least one in contain reinforce 12, perhaps have reinforce 12 to expose, and be bonded to integral body with Cast-in-place concrete.As shown in figure 14, its described upper plate 4, contain reinforce 12 in the sidewall 5 on every side.

Feature of the present invention also is have reinforce 12 to stretch into and be anchored in the described sidewall 5 go to the bottom 6 or bridging piece 7 in, perhaps go to the bottom 6 or bridging piece 7 in have reinforce 12 to stretch into and be anchored in the sidewall 5.As shown in figure 15, there is reinforce 12 to stretch into and be anchored in the bridging piece 7 in its described sidewall 5.

Feature of the present invention is that also the horizontal profile of described cavity former component 2 is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular.As shown in figure 16, the horizontal profile of its described cavity former component 2 is shaped as the arc angle 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 11, inner corner trim 13, chamfering 14, pit 15, hole 16, raised line 17, the external corner 18.As shown in figure 17, also be provided with pit 15, external corner 18 on its described cavity former component 2, as shown in figure 18, also be provided with groove 11, inner corner trim 13, chamfering 14, hole 16, raised line 17 on its described cavity former component 2.

Feature of the present invention also is described groove 11, inner corner trim 13, chamfering 14, raised line 17 self or is parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 18, its described groove 11, inner corner trim 13, chamfering 14, raised line 17 are parallel, quadrature or grade separation setting mutually.

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 20, the reinforcing rib 21, perhaps there be in stiffening rib 19, the bracing boom 20 at least one to expose outside the cavity former component 2, perhaps also have reinforce 12 to expose on stiffening rib 19, the bracing boom 20, and be bonded to integral body with Cast-in-place concrete.As shown in figure 19, be provided with stiffening rib 19, bracing boom 20 and reinforcing rib 21 in the enclosed cavity of its described cavity former component 2, wherein stiffening rib 19 and bracing boom 20 expose outside the cavity former component 2.

Feature of the present invention also is to be provided with light material 22 in the enclosed cavity of described cavity former component 2.As shown in figure 20, be provided with light material 22 in the enclosed cavity of its described cavity former component 2, diagram light material 22 is an expanded perlite.

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

Feature of the present invention also is described upper plate 4, at least one in the external surface of sidewall 5, bridging piece 7 is corrugated, zigzag, plucking shape or exasperate external surface on every side.As shown in figure 22, its described upper plate 4 is a plucking shape external surface, and the external surface of bridging piece 7 is the exasperate external surface.

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

Feature of the present invention is that also described cavity former component 2 is provided with connector 24 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 24 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 bridging piece 7, constitute internal-rib die cavity 25 between the cavity former component 2, Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib 26 in internal-rib die cavity 25, and links to each other with cast-in-situ reinforced concrete rib 3.Shown in Figure 25,27, its described a plurality of cavity former components 2 are connected as one by bridging piece 7, constitute internal-rib die cavity 25 between the cavity former component 2, and Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib 26 in internal-rib die cavity 25, 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 25 fixed or movable support draw piece 27.As shown in figure 26, be provided with fixing support draw piece 27 in its described internal-rib die cavity 25.

Feature of the present invention also is also to be provided with dark beam 28 in the described concrete hollow board or/and bright beam 29.As shown in Figure 3, also be provided with dark beam 28 in its described concrete hollow board, as shown in Figure 4, also be provided with bright beam 29 in its described concrete hollow board.

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 concrete hollow board, 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), (6) sidewall (5) around at least one of going to the bottom stretches out and constitutes bridging piece (7), the go to the bottom bottom surface of (6) flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, it is characterized in that around at least one of described cavity former component (2) that sidewall (5) or upper plate (4) or both are provided with at least one convex module (8).

2, concrete hollow board according to claim 1 is characterized in that superimposed go to the bottom of described going to the bottom (6) for being made of jointly template (9) and go to the bottom (6).

3, concrete hollow board according to claim 1 is characterized in that described upper plate (4) or sidewall (5) or bridging piece (7) are provided with the carrying part (10) of convenient carrying on every side.

4, concrete hollow board according to claim 1, it is characterized in that described going to the bottom (6) stretch out bridging piece (7) from the adjacent both sides of sidewall (5) on every side and constitute L shaped bridging piece, perhaps go to the bottom (6) all stretch out the annular bridging piece in bridging piece (7) formation side around sidewall (5) on every side.

5, concrete hollow board according to claim 1 is characterized in that at least one side of described upper plate (4) is extended with bridging piece (7), and the end face of upper plate (4) flushes with the end face of cast-in-situ reinforcing steel bar concrete hollow slab.

6, a kind of shuttering member for in-site pouring concrete according to claim 1 is characterized in that at least one convex module (8) all being arranged on all sidewalls (5) around described.

7, a kind of shuttering member for in-site pouring concrete according to claim 1 is characterized in that describedly constituting groove (11) between a plurality of convex modules (8) of sidewall (5) around same; The perhaps integral body that is formed in one of convex module (8) and cavity former component (2); Perhaps convex module (8) is the body formed fixed or movable whole member that connects into of branch with cavity former component (2); Perhaps upper plate (4), contain reinforce (12) at least one of sidewall (5), go to the bottom (6), bridging piece (7), convex module (8) on every side, perhaps have reinforce (12) to expose, and be bonded to integral body with Cast-in-place concrete; Perhaps have reinforce (12) to stretch into and be anchored in the sidewall (5) to go to the bottom (6) or bridging piece (7) in, have reinforce (12) to stretch into and be anchored in the sidewall (5) in perhaps go to the bottom (6) or the bridging piece (7).

8,, it is characterized in that the horizontal profile of described cavity former component (2) is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular according to the described a kind of shuttering member for in-site pouring concrete of arbitrary claim in the claim 1 to 7; Perhaps also be provided with at least one in groove (11), inner corner trim (13), chamfering (14), pit (15), hole (16), raised line (17), the external corner (18) on the cavity former component (2); Perhaps groove (11), inner corner trim (13), chamfering (14), raised line (17) self or be parallel, quadrature, oblique or grade separation setting mutually; Perhaps be provided with at least one in stiffening rib (19), bracing boom (20), the reinforcing rib (21) in the enclosed cavity of cavity former component (2), perhaps there be in stiffening rib (19), the bracing boom (20) at least one to expose outside the cavity former component (2), perhaps stiffening rib (19), bracing boom (20) are gone up and are also had reinforce (12) to expose, and are bonded to integral body with Cast-in-place concrete.

9,, it is characterized in that being provided with light material (22) in the enclosed cavity of described cavity former component (2) according to the described a kind of shuttering member for in-site pouring concrete of arbitrary claim in the claim 1 to 7; Perhaps at least one in upper plate (4) or the sidewall (5) is dismountable movable part; Perhaps upper plate (4), at least one in the external surface of sidewall (5), bridging piece (7) is corrugated, zigzag, plucking shape or exasperate external surface on every side; Perhaps cavity former component (2) is provided with align member (23).

10,, it is characterized in that described cavity former component (2) is provided with connector connected to one another (24) between the cavity former component (2) according to the described a kind of shuttering member for in-site pouring concrete of arbitrary claim in the claim 1 to 7; Perhaps at least two above cavity former components (2) are connected as one by bridging piece (7), constitute internal-rib die cavity (25) between the cavity former component (2), Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib (26) in internal-rib die cavity (25), 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 (25); Perhaps also be provided with dark beam (28) in the concrete hollow board or/and bright beam (29).

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