CN1840832A - Cast-in-situ concrete hollow slab - Google Patents

Abstract

Disclosed is a cast-in-situs 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), the 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 upper board (4), the peripheral side panels (5), and the lower bottom (6) is provided with reinforcement article (7), characterized in that at least one of the upper board (4), the peripheral side panels (5), and the lower bottom (6) is provided with reinforced article (7) extended into another and anchored therein. Furthermore, a positioning member (8 is arranged on the shuttering member (2). The invention can be applied to cast-in-situ reinforced-bar concrete hollow building slabs, house roofings, walls, foundation bedplates and hollow bridges.

Description

A kind of cast-in-place concrete cored

(1) technical field

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

(2) background technology

At present, cast-in-place concrete cored 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, upper plate, on every side sidewall, going to the bottom contains fabric reinforcement.And for example the applicant in the application number of November 23 calendar year 2001 application be 01140106.0, publication number is that CN1356442, name are called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention, it comprises " 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; upper plate, sidewall, the reinforces such as containing fiber or gauze wire cloth of going to the bottom on every side, characteristics such as that this cavity former component has is in light weight, intensity is high, simple in structure, convenient construction and transport.But, the upper plate of this class cavity former component, sidewall on every side, reinforce in going to the bottom is not owing to stretch into anchoring in the alternative body, thereby, the globality of cavity former component is poor, vibration resistance is poor, particularly under the effect of alternation load or periodicity load, its globality is poorer, in cast-in-place concrete cored work progress, make troubles to construction, and the increase construction cost, simultaneously, when construction, the cavity former component location is inconvenient, inconsistent phenomenon easily taking place, influence cast-in-place concrete cored construction quality, influences efficiency of construction, therefore, develop a kind of novel cast-in-place concrete cored 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-place concrete coredly, have that mechanical property is good, characteristics such as easy construction, efficient height, construction quality are good.

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, upper plate, sidewall on every side, go to the bottom and contain reinforce, it is characterized in that described upper plate, sidewall on every side, the reinforce that contains at least one of going to the bottom stretches in another, and anchoring wherein, and simultaneously, the polyhedron cavity former component is provided with align member.Like this, in cast-in-place concrete cored, because the upper plate of cavity former component, sidewall on every side, there is reinforce to stretch in another at least one of going to the bottom, and anchoring wherein, thereby, the good integrity of cavity former component, anti-seismic performance is strong, the ability of particularly resisting alternation load or periodicity load action is strong, corresponding cast-in-place concrete cored good integrity, shock resistance is strong, simultaneously, because cavity former component is provided with align member, reach the easier assurance of distance between the cavity former component with soffit formwork, it is more accurate to locate, convenient, and align member also can be used for the location of reinforcing bar, thereby, in cast-in-place concrete cored, cavity former component location is very convenient, is difficult for inconsistent phenomenon takes place and influences cast-in-place concrete cored construction quality, efficiency of construction improves greatly, and cast-in-place concrete cored construction quality also is easier to guarantee, thereby has reached purpose of the present invention, in addition, cast-in-place concrete cored also have simple in structure, the anti-vibration performance is good, characteristics such as cost is low are applicable to the hollow building cover of various cast-in-situ reinforced concretes 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, upper plate, sidewall on every side, go to the bottom and contain reinforce, it is characterized in that described upper plate, sidewall on every side, the reinforce that contains at least one of going to the bottom stretches in another, and anchoring wherein, simultaneously, the polyhedron cavity former component is provided with align member, the plate face of upper plate or/and the bottom surface of going to the bottom expose outside, respectively with cast-in-place concrete cored upper surface or/and bottom surface flushes, upper plate constitutes the cast-in-place concrete cored table of going up or/and the structure-bearing member of going to the bottom or/and go to the bottom.Like this, in cast-in-place concrete cored, because the upper plate of cavity former component, sidewall on every side, there is reinforce to stretch in another at least one of going to the bottom, and anchoring wherein, thereby, the good integrity of cavity former component, anti-seismic performance is strong, the ability of particularly resisting alternation load or periodicity load action is strong, corresponding cast-in-place concrete cored good integrity, shock resistance is strong, simultaneously, because cavity former component is provided with align member, reach the easier assurance of distance between the cavity former component with soffit formwork, it is more accurate to locate, convenient, and, align member also can be used for the location of reinforcing bar, thereby, in cast-in-place concrete cored, cavity former component location is very convenient, is difficult for inconsistent phenomenon takes place and influences cast-in-place concrete cored construction quality, and efficiency of construction improves greatly, and, cast-in-place concrete cored construction quality also is easier to assurance, thereby has 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 the hollow building cover of various cast-in-situ reinforced concretes 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 described align member is arranged on the going to the bottom of polyhedron cavity former component.Like this, in cast-in-place concrete cored, the align member on the cavity former component can guarantee the thickness of cavity former component upper and lower part In-situ cast concrete board, is easy to reach the purpose of quality control, and the construction location is very convenient, the efficiency of construction height.

Feature of the present invention is also that described align member is arranged on the upper plate of polyhedron cavity former component or all around on the sidewall.Like this, in cast-in-place concrete cored, the align member around the cavity former component on the sidewall can guarantee the distance between the adjacent cavities shuttering member effectively reliably, thereby the width that has guaranteed the Cast-in-place concrete rib conforms to design; The align member that is provided with on the upper plate can guarantee the consistency of thickness of upper plate Cast-in-place concrete layer, and can make the location usefulness of upper plate muscle, thereby has guaranteed cast-in-place concrete cored quality.

Feature of the present invention is that also described align member is small lugs, little raised line, feet, retort stand.Like this, the diversity of align member can satisfy the needs of various different situations.

Feature of the present invention is that also described align member is movable removable or telescopic align member.Like this, in cast-in-place concrete cored, needs according to designing requirement and site operation, can adjust the height of location spike at any time, perhaps install, dismantle the location spike at any time, improve cast-in-place concrete cored speed of application greatly, simultaneously, also enlarged the range of application of the cavity former component of same kind.

Feature of the present invention also be described upper plate, on every side sidewall, go to the bottom at least one in reinforce stretch in another, and be connected with reinforce welding, colligation, riveted joint, screw in it, hook is integral, perhaps reinforce also stretches out outside the cavity former component, and is anchored in the steel bar concrete.Like this, reinforce stretch into above-mentioned upper plate, on every side sidewall or go to the bottom in wall body in and be connected with wherein reinforce, with upper plate, sidewall or go to the bottom connects as one on every side, has strengthened the globality of cavity former component greatly, has improved shock resistance.

Feature of the present invention also is to have in described the going to the bottom reinforce to stretch on every side in the sidewall, and anchoring wherein.Like this, the reinforce in the body of going to the bottom stretch in the ambient side wall body and anchoring wherein, strengthened the base plate and the bonding strength of sidewall on every side, make it more solid and reliable, can prevent the obscission of going to the bottom effectively, prevent to go to the bottom and the Cast-in-place concrete rib between the crackle generation.

In feature of the present invention is that also having reinforce to stretch in the described sidewall on every side goes to the bottom, and anchoring wherein.Like this, reinforce in the sidewall stretches into the interior also anchoring of the body of going to the bottom wherein on every side, and sidewall and the steadiness that is connected of going to the bottom around having strengthened make cavity former component have good whole more, can effectively prevent the obscission of going to the bottom, prevent to go to the bottom and the Cast-in-place concrete rib between crackle produce.

Feature of the present invention also be described reinforce from upper plate, on every side sidewall or go to the bottom at least one expose, and be anchored in the steel bar concrete.Like this, in cast-in-place concrete cored, reinforce and Cast-in-place concrete that it exposes combine, and have improved cast-in-place concrete cored globality greatly, make that cavity former component energy participation structure is stressed jointly, have improved cast-in-place concrete cored mechanical property.

Feature of the present invention is that also described reinforce is band shape or the thread or netted reinforce of muscle shape.Like this, the variation of reinforce shape can be satisfied the needs that cavity former component is used and produced, and can select reinforce according to different requirement of strength, helps reducing and produces and construction cost.

Feature of the present invention is that also the reinforce in described the going to the bottom is netted or muscle, and the welding each other of net or muscle, colligation, riveted joint are one.Like this, netted in going to the bottom or muscle shape reinforce welds each other, colligation, perhaps riveted joint is one, has increased substantially the strength and stiffness of base plate, makes cavity former component have more good whole and practicality.

Feature of the present invention is that also described 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, the diversity of reinforce, reinforce is drawn materials nearby when being convenient to manufacture cavity former component, reduces material cost, can satisfy different intensity needs simultaneously, makes things convenient for selecting for use of different designs.

Feature of the present invention also is the described protruding bridging piece that has of going to the bottom.Like this, in cast-in-place concrete cored, outwardly directed bridging piece can replace construction formwork, reduces the template loss, reduces material cost, can save the template installation procedure simultaneously, accelerates speed of application, improves efficiency of construction.

Feature of the present invention also be described go to the bottom and bridging piece in reinforce be steel mesh or reinforcing bar, reinforcing bar or the reinforcing bar that is connected with steel mesh or steel mesh stretch out bridging piece, reinforcing bar or steel mesh after perhaps stretching out have crotch, and are anchored in the steel bar concrete.Like this, steel mesh or reinforcing bar have very good intensity, in the time of in cast-in-place concrete cored, there are reinforcing bar or steel mesh to stretch out bridging piece on the cavity former component, reinforcing bar or steel mesh after perhaps stretching out have crotch, this form of structure makes reinforce and Cast-in-place concrete in conjunction with more firm, thereby has improved the intensity and the overall performance of superstructure greatly.

Feature of the present invention is that also the described bridging piece that stretches out from the adjacent both sides of sidewall on every side of going to the bottom constitutes L shaped bridging piece.Like this, in cast-in-place concrete cored, outwardly directed bridging piece can replace construction formwork, reduces the template loss, reduces material cost, can save the template installation procedure simultaneously, accelerates speed of application, improves efficiency of construction.

Feature of the present invention also is the described annular bridging piece in bridging piece formation side of going to the bottom and stretching out around the sidewall on every side.Like this, in cast-in-place concrete cored, outwardly directed bridging piece can replace construction formwork, reduces the template loss, reduces material cost, can save the template installation procedure simultaneously, accelerates speed of application, improves efficiency of construction.

Feature of the present invention is that also described going to the bottom is superimposed with overlapping layers, the overlapping layers and common superimposed the going to the bottom that constitute of going to the bottom.Like this, go to the bottom and be superimposed with overlapping layers, reduced the production difficulty of cavity former component significantly, simultaneously, also improved the shock resistance damage capability of cavity former component greatly, reduce the proportion of goods damageds of product, improved the production efficiency of cavity former component, correspondingly reduced cast-in-place concrete cored construction cost.

Feature of the present invention is that also described cavity former component is 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 construction cost.

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 cavity former component shape in cast-in-place concrete cored, has correspondingly formed various difform cast-in-situ concrete structures, thereby has made cast-in-place concrete cored structure more reasonable, has 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 other position of described cavity former component at least one in chamfering, inner corner trim, groove, pit, hole, boss module, raised line, the external corner.Like this, in cast-in-place concrete cored, Cast-in-place concrete pours in chamfering, inner corner trim, groove, the pit, 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 cast-in-place concrete cored, further alleviate cast-in-place concrete cored self weight, save the consumption of concrete, reduce cast-in-place concrete cored cost, also improve cast-in-place concrete cored performance simultaneously.

Feature of the present invention also is described chamfering, inner corner trim, groove, raised line self or is parallel, quadrature, oblique or grade separation setting mutually.Like this, in cast-in-place concrete cored, chamfering on the cavity former component, inner corner trim, groove, raised line self or be parallel, quadrature, oblique or grade separation setting mutually or form grid, after concrete is built at above-mentioned position, the corresponding Cast-in-place concrete that has formed parallel, quadrature, oblique or grade separation adds competent structure, has improved cast-in-place concrete cored mechanical property 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 shuttering member, 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-place concrete cored, 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 cast-in-situ 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 cast-in-place concrete cored globality is better.

Feature of the present invention also is to be filled 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; corresponding cast-in-place concrete cored insulation, 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 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 cast-in-place concrete cored construction cost.

Feature of the present invention is that also described cavity former component is provided with connector.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-place concrete cored, the connector that is provided with on the cavity former component can be controlled the distance between the cavity former component effectively, reliably, controls the width and the height of cast-in-situ reinforced concrete rib, guarantees the pouring quality of cast-in-place concrete cored 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 also is to connect and compose assembly in groups by connector each other between described at least two cavity former components, 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-place concrete cored, Cast-in-place concrete enters in the internal-rib die cavity, has formed the Cast-in-place concrete internal-rib, has improved cast-in-place concrete cored mechanical property; Simultaneously, cavity former component is connected as one by connector, has constituted the hollow mould shell assembly, thereby, improved cast-in-place concrete cored efficiency of construction and speed of application greatly.

Feature of the present invention is that also described at least two above cavity former components connect and compose assembly in groups by bridging piece, constitute the internal-rib die cavity between the cavity former component, perhaps bridging piece is provided with the carrying part, 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-place concrete cored, 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 cavity former component 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-place concrete cored, the cavity former component 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 that also described bridging piece or internal-rib die cavity are provided with stirrup.。Like this, stirrup is set on bridging piece or the internal-rib die cavity has solved the Cast-in-place concrete rib and prick when establishing reinforcing bar, stirrup is inconvenient to put into and the difficulty of colligation, has improved efficiency of construction greatly, simultaneously, has also improved cast-in-place concrete cored combination property.

Feature of the present invention is that also described bridging piece or internal-rib die cavity are provided with the align member of rib location.Align member can be draw ring, drag hook, iron wire, feet, small lugs, little protruding nail or other device.Like this, in cast-in-place concrete cored, 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 cast-in-place concrete cored pouring quality effectively reinforcing bar.

Feature of the present invention is also that described bridging piece or internal-rib die cavity are provided with the matsurface that improves Cast-in-place concrete and bridging piece or internal-rib die cavity adhesion or shearing resistance, draw hair side, concavo-convex, folding shape muscle, waveform muscle, straight muscle, bend at least a in the muscle.Like this, bridging piece or internal-rib die cavity be provided with matsurface, draw hair side, at least a in concavo-convex, the folding shape muscle, waveform muscle, straight muscle, curved muscle, adhesion and shearing resistance between Cast-in-place concrete and bridging piece or the internal-rib die cavity have been improved greatly, make base plate and Cast-in-place concrete in conjunction with more firm, improved cast-in-place concrete cored overall performance greatly.

Feature of the present invention is that also described going to the bottom is the going to the bottom of cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, 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 plate, wood glue plate, bamboo offset plate, plastics, metal crimp template or sidewall on every side.Like this, the variation of cavity former component manufacturing materials can make cavity former component fully satisfy the needs of various different situations, helps reducing product cost, the construction cost that corresponding reduction is cast-in-place concrete cored.

In feature of the present invention also is to have in sidewall or the reinforcing rib around described reinforcing bar or steel wire or gauze wire cloth or thin band reinforce to stretch into to go to the bottom, and hook reinforcing bar or steel wire or thin band reinforce in going to the bottom, perhaps hook behind reinforcing bar in going to the bottom or steel wire or the thin band reinforce also from go to the bottom or bridging piece stretch out, and be anchored in the steel bar concrete.Like this, reinforce stretches in the wall body of sidewall on every side and goes to the bottom, and and reinforce wherein connect as one, strengthened the globality of cavity former component greatly, improved shock resistance; If reinforce also stretches out outside the cavity former component, then more firm with the Cast-in-place concrete bonding, the globality of superstructure is better.

Feature of the present invention is also that described cavity former component is all wrapped up in and is contained in the steel bar concrete.Like this, cast-in-place concrete cored overall performance is better, and mechanical property is better.

Feature of the present invention also is describedly also to be provided with dark beam or/and bright beam in cast-in-place concrete cored.Like this, the mechanical property of hollowcore slab is better, helps that local pressure in cast-in-place concrete cored is increased the district and strengthens; When being provided with dark beam, can strengthen cast-in-place concrete cored mechanical property, simultaneously, dark beam lies in the cast-in-situ concrete hollow intralamellar part, it is attractive in appearance not influence cast-in-place concrete cored external structure, 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 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 be embodiment of the invention cavity shuttering member 2 structural representation 23.

Figure 28 be embodiment of the invention cavity shuttering member 2 structural representation 24.

Figure 29 be embodiment of the invention cavity shuttering member 2 structural representation 25.

Figure 30 be embodiment of the invention cavity shuttering member 2 structural representation 26.

Figure 31 be embodiment of the invention cavity shuttering member 2 structural representation 27.

Figure 32 be embodiment of the invention cavity shuttering member 2 structural representation 28.

Figure 33 be embodiment of the invention cavity shuttering member 2 structural representation 29.

Figure 34 be embodiment of the invention cavity shuttering member 2 structural representation 30.

Figure 35 be embodiment of the invention cavity shuttering member 2 structural representation 31.

Figure 36 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, upper plate 4, sidewall 5 on every side, go to the bottom and 6 contain reinforce 7, it is characterized in that described upper plate 4, sidewall 5 on every side, go to the bottom 6 at least one in the reinforce 7 that contains stretch in another, and anchoring wherein, and simultaneously, polyhedron cavity former component 2 is provided with align member 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, and 5 is peripheral side, and 6 for going to the bottom, and 7 is reinforce, and 8 is align member, below in each accompanying drawing, number identically, its explanation is identical.As Fig. 1,2,3, shown in 4, the cast-in-place concrete cored steel bar concrete 1 that comprises, 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, upper plate 4, sidewall 5 on every side, go to the bottom and 6 contain reinforce 7, the reinforce 7 that its described upper plate 4 contains stretches on every side in the sidewall 5, and anchoring wherein, and simultaneously, polyhedron cavity former component 2 is provided with align member 8.Fig. 5 is the structural representation of the hollow mould component 2 shown in Fig. 1,2,3,4.

The present invention comprises steel bar concrete 1 as shown in drawings, 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, upper plate 4, sidewall 5 on every side, go to the bottom and 6 contain reinforce 7, it is characterized in that described upper plate 4, sidewall 5 on every side, go to the bottom 6 at least one in the reinforce 7 that contains stretch in another, and anchoring wherein, simultaneously, polyhedron cavity former component 2 is provided with align member 8, the plate face of upper plate 4 or/and 6 the bottom surface of going to the bottom expose outside, respectively with cast-in-place concrete cored upper surface or/and bottom surface flushes, upper plate 46 constitutes the cast-in-place concrete cored table of going up or/and the structure-bearing member of going to the bottom or/and go to the bottom.As shown in Figure 2, the plate face of its described upper plate 4 exposes outside, and with cast-in-place concrete cored upper surface flush, upper plate 4 constitutes the cast-in-place concrete cored structure-bearing member of going up table, the thickness of upper plate 4 than around sidewall 5 and go to the bottom 6 thick.

Feature of the present invention is that also described align member 8 is arranged on going to the bottom on 6 of polyhedron cavity former component 2.As shown in Figure 2, its described align member 8 is arranged on going to the bottom on 6 of polyhedron cavity former component 2.

Feature of the present invention is also that described align member 8 is arranged on the upper plate 4 of polyhedron cavity former component 2 or all around on the sidewall 5.As shown in Figure 6, its described align member 8 is arranged on the upper plate 4 of polyhedron cavity former component 2 and all around on the sidewall 5.

Feature of the present invention is that also described align member 8 is small lugs, little raised line, feet, retort stand.As shown in Figure 7, its described align member 8 is a retort stand.

Feature of the present invention is that also described align member 8 is movable removable or telescopic align member.As shown in Figure 8, its described align member 8 is movable removable align member.

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 reinforce 7 stretch in another, and be connected with reinforce 7 welding, colligation, riveted joint, screw in it, hook is integral, perhaps reinforce 7 also stretches out outside the cavity former component 2, and is anchored in the steel bar concrete 1.As shown in Figure 9, the reinforce 7 around it is described in the sidewall 5 stretches in the upper plate 4, and integrally welded with the reinforce 7 in it.

Feature of the present invention is that also described going to the bottom has in 6 reinforce 7 to stretch on every side in the sidewall 5, and anchoring wherein.As shown in figure 10, it is described goes to the bottom has in 6 reinforce 7 to stretch on every side in the sidewall 5, and anchoring wherein.

Feature of the present invention also is have reinforce 7 to stretch in the sidewall 5 around described goes to the bottom in 6, and anchoring wherein.As shown in figure 11, have reinforce 7 to stretch in sidewall 5 around it is described to go to the bottom in 6, and anchoring wherein.

Feature of the present invention also be described reinforce 7 from upper plate 4, on every side sidewall 5 or go to the bottom 6 at least one expose, and be anchored in the steel bar concrete 1.As shown in figure 12, its described reinforce 7 exposes 6 from going to the bottom, and is anchored in the steel bar concrete 1.

Feature of the present invention is that also described reinforce 7 is band shape or the thread or netted reinforce of muscle shape.As shown in figure 13, its described reinforce 7 is banded and netted reinforce.

Feature of the present invention is that also the described 6 interior reinforces 7 of going to the bottom are netted or muscle, and the welding each other of net or muscle, colligation, riveted joint are one.As shown in figure 14, its described 6 interior reinforces 7 of going to the bottom are netted, and the netted reinforces 7 in the upper plate 4 are welded as a whole each other.

Feature of the present invention also 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 of described reinforce 7.As shown in figure 15, its described reinforce 7 is the metal foil band, and the reinforce 7 of going to the bottom in 6 is gauze wire cloth.

Feature of the present invention is that also described going to the bottom 6 protrudingly has a bridging piece 9.As shown in figure 15, its described going to the bottom 6 protrudingly has a bridging piece 9.

Feature of the present invention also be described go to the bottom 6 and bridging piece 9 in reinforces 7 be steel mesh or reinforcing bar, reinforcing bar or the reinforcing bar that is connected with steel mesh or steel mesh stretch out bridging piece 9, reinforcing bar after perhaps stretching out or steel mesh have crotch, and are anchored in the steel bar concrete 1.As shown in figure 16, it is described go to the bottom 6 and bridging piece 9 in reinforces 7 be steel mesh, the reinforcing bar that is connected with steel mesh stretches out bridging piece 9, the reinforcing bar after stretching out has crotch, and is anchored in the steel bar concrete 1.

Feature of the present invention is that also described 6 bridging pieces that stretch out from the adjacent both sides of sidewall 5 on every side 9 of going to the bottom constitute L shaped bridging piece.As shown in figure 17, its described 6 bridging pieces that stretch out from the adjacent both sides of sidewall 5 on every side 9 of going to the bottom constitute L shaped bridging piece.

Feature of the present invention also is the described 6 annular bridging pieces in bridging piece 9 formation sides that stretch out around the sidewall 5 on every side of going to the bottom.As shown in figure 18, its described 6 annular bridging pieces in bridging piece 9 formation sides that stretch out around the sidewall 5 on every side of going to the bottom.

Feature of the present invention is that also described going to the bottom 6 is superimposed with overlapping layers 10, and overlapping layers 10 6 constitutes superimposed going to the bottom jointly with going to the bottom.As shown in figure 19, it is described goes to the bottom and 6 is superimposed with overlapping layers 10, and overlapping layers 10 6 constitutes superimposed going to the bottom jointly with going to the bottom.

Feature of the present invention is that also described cavity former component 2 is provided with the carrying part 11 of convenient carrying.As shown in figure 20, its described cavity former component 2 is provided with the carrying part 11 of convenient carrying.

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 21, the horizontal profile of its described cavity former component 2 is shaped as square, and as shown in figure 22, 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 other position of described cavity former component 2 at least one in chamfering 12, inner corner trim 13, groove 14, pit 15, hole 16, boss module 17, raised line 18, the external corner 19.As shown in figure 23, also be provided with chamfering 12, inner corner trim 13, raised line 18 on other position of its described cavity former component 2, as shown in figure 24, boss module 17, raised line 18, external corner 19 be set also on other position of its described cavity former component 2.

Feature of the present invention also is described chamfering 12, inner corner trim 13, groove 14, raised line 18 self or is parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 25, its described chamfering 12, inner corner trim 13, groove 14 self or be parallel, quadrature mutually or 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 20, bracing boom 21, the reinforcing rib 22, perhaps there be in stiffening rib 20, the bracing boom 21 at least one to expose outside the shuttering member, perhaps also have reinforce 7 to expose on stiffening rib 20, bracing boom 21, the reinforcing rib 22, and be anchored in the steel bar concrete 1.As shown in figure 26, be provided with stiffening rib 20, bracing boom 21, reinforcing rib 22 in the enclosed cavity of its described cavity former component 2, and stiffening rib 20, bracing boom 21 expose outside the shuttering member.

Feature of the present invention also is to be filled with light material 23 in the enclosed cavity of described cavity former component 2.As shown in figure 27, be filled with light material 23 in the enclosed cavity of its described cavity former component 2, diagram light material 23 is an expanded perlite.

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 24 arranged.As shown in figure 28, a side in its described sidewall 5 on every side is provided with dismountable movable part 24.

Feature of the present invention is that also described cavity former component 2 is provided with connector 25.As shown in figure 29, its described cavity former component 2 is provided with connector 25.

Feature of the present invention also is to connect and compose assembly in groups by connector 25 each other between described at least two cavity former components 2, constitute internal-rib die cavity 26 between the cavity former component 2, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 27 in internal-rib die cavity 26, and links to each other with cast-in-situ reinforced concrete rib 3.As shown in figure 30, connect and compose assembly in groups by connector 25 each other between its described a plurality of cavity former components 2, constitute internal-rib die cavity 26 between the cavity former component 2, as shown in figure 36, connect and compose assembly in groups by connector 25 each other between its described a plurality of cavity former components 2, constitute internal-rib die cavity 26 between the cavity former component 2, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 27 in internal-rib die cavity 26, and links to each other with cast-in-situ reinforced concrete rib 3.

Feature of the present invention is that also described at least two above cavity former components 2 connect and compose assembly in groups by bridging piece 9, constitute internal-rib die cavity 26 between the cavity former component 2, perhaps bridging piece 9 is provided with carrying part 11, cast-in-situ reinforced concrete 1 has formed cast-in-situ reinforced concrete internal-rib 27 in internal-rib die cavity 26, and links to each other with cast-in-situ reinforced concrete rib 3.As shown in figure 31, its described a plurality of above cavity former components 2 connect and compose assembly in groups by bridging piece 9, constitute internal-rib die cavity 26 between the cavity former component 2.

Feature of the present invention also is to be provided with in the described internal-rib die cavity 26 fixed or movable support draw piece 28.Shown in figure 32, be provided with fixing support draw piece 28 in its described internal-rib die cavity 26.

Feature of the present invention is that also described bridging piece 9 or internal-rib die cavity 26 are provided with stirrup 29.As shown in figure 33, its described internal-rib die cavity 26 is provided with stirrup 29.

Feature of the present invention is that also described bridging piece 9 or internal-rib die cavity 26 are provided with the align member 8 of rib location.As shown in figure 34, its described internal-rib die cavity 26 is provided with the align member 8 of rib location.

Feature of the present invention is also that described bridging piece 9 or internal-rib die cavity 26 are provided with the matsurface that improves Cast-in-place concrete and bridging piece 9 or internal-rib die cavity 26 adhesions or shearing resistance, draw hair side, concavo-convex, folding shape muscle, waveform muscle, straight muscle, bend at least a in the muscle.As shown in figure 35, its described internal-rib die cavity 26 is provided with the matsurface that improves Cast-in-place concrete and internal-rib die cavity 26 adhesions.

Feature of the present invention is that also described going to the bottom 6 is the going to the bottom of cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, 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 plate, wood glue plate, bamboo offset plate, plastics, metal crimp template or sidewall on every side.As shown in figure 35, it is described goes to the bottom and 6 is the going to the bottom of cement mortar gauze wire cloth, upper plate 4 and on every side sidewall 5 be fibroreticulate upper plate of cement mortar and sidewall on every side.

Feature of the present invention also is to have in sidewall 5 or the reinforcing rib 22 around described reinforcing bar or steel wire or gauze wire cloth or thin band reinforce 7 to stretch into to go to the bottom in 6, and hook reinforcing bar or the steel wire or the thin band reinforces 7 of going to the bottom in 6, perhaps hook behind the reinforcing bar of going to the bottom in 6 or steel wire or the thin band reinforce 7 also from go to the bottom 6 or bridging piece 9 stretch out, and be anchored in the steel bar concrete 1.As shown in figure 35, there is thin band reinforce 7 to stretch in sidewall 5 around it is described to go to the bottom in 6, and hooks the thin band reinforces 7 of going to the bottom in 6.

Feature of the present invention is also that described cavity former component 2 is all wrapped up in and is contained in the steel bar concrete 1.As shown in Figure 1, its described cavity former component 2 is all wrapped up in and is contained in the steel bar concrete 1.

Feature of the present invention also is describedly also to be provided with dark beam 30 or/and bright beam 31 in cast-in-place concrete cored.As shown in Figure 3, it is described also to be provided with dark beam 30 in cast-in-place concrete cored, and as shown in Figure 4, it is described also to be provided with bright beam 31 in cast-in-place concrete cored.

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 spare, pour concrete after the acceptance(check), after treating the concrete setting and harden, maintenance is to stipulating the length of time that form removal promptly gets cast-in-place concrete cored.

Claims (11)

1, a kind of cast-in-place concrete cored, 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), upper plate (4), sidewall (5) on every side, go to the bottom (6) contain reinforce (7), it is characterized in that described upper plate (4), sidewall (5) on every side, the reinforce (7) that contains at least one of (6) of going to the bottom stretches in another, and anchoring wherein, simultaneously, polyhedron cavity former component (2) is provided with align member (8).

2, a kind of cast-in-place concrete cored, 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), upper plate (4), sidewall (5) on every side, go to the bottom (6) contain reinforce (7), it is characterized in that described upper plate (4), sidewall (5) on every side, the reinforce (7) that contains at least one of (6) of going to the bottom stretches in another, and anchoring wherein, simultaneously, polyhedron cavity former component (2) is provided with align member (8), the plate face of upper plate (4) or/and the bottom surface of go to the bottom (6) expose outside, respectively with cast-in-place concrete cored upper surface or/and bottom surface flushes, upper plate (4) is or/and go to the bottom (6) constitute the cast-in-place concrete cored table of going up or/and the structure-bearing member of going to the bottom.

3, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that described align member (8) is arranged on go to the bottom (6) of polyhedron cavity former component (2).

4,, it is characterized in that described align member (8) is arranged on the upper plate (4) of polyhedron cavity former component (2) or all around on the sidewall (5) according to claim 1 or 2 described a kind of cast-in-place concrete cored; Perhaps align member (8) is small lugs, little raised line, feet, retort stand; Perhaps align member (8) is movable removable or telescopic align member.

5, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that described upper plate (4), the reinforce (7) at least one of sidewall (5), go to the bottom (6) stretches in another on every side, and be connected with reinforce (7) welding, colligation, riveted joint, screw in it, hook is integral, perhaps reinforce (7) also stretches out outside the cavity former component (2), and is anchored in the steel bar concrete (1); Perhaps going to the bottom has in (6) reinforce (7) to stretch on every side in the sidewall (5), and anchoring wherein; Have reinforce (7) to stretch in go to the bottom (6) in the sidewall (5) perhaps, and anchoring wherein; Perhaps reinforce (7) is from upper plate (4), expose at least one of sidewall (5) or go to the bottom (6) on every side, and is anchored in the steel bar concrete (1).

6, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that described reinforce (7) is band shape or the thread or netted reinforce of muscle shape; (6) the interior reinforce (7) of perhaps going to the bottom is netted or muscle, and the welding each other of net or muscle, colligation, riveted joint are one; Perhaps reinforce (7) 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; Perhaps going to the bottom, (6) are protruding a bridging piece (9); The interior reinforce (7) of (6) and bridging piece (9) of perhaps going to the bottom is steel mesh or reinforcing bar, and reinforcing bar or the reinforcing bar that is connected with steel mesh or steel mesh stretch out bridging piece (9), and reinforcing bar after perhaps stretching out or steel mesh have crotch, and are anchored in the steel bar concrete (1); The bridging piece (9) that (6) stretch out from the adjacent both sides of sidewall (5) on every side of perhaps going to the bottom constitutes L shaped bridging piece; The annular bridging piece in bridging piece (9) formation side that (6) stretch out around the sidewall (5) on every side of perhaps going to the bottom.

7, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that described going to the bottom (6) is superimposed with overlapping layers (10), overlapping layers (10) constitutes superimposed going to the bottom jointly with go to the bottom (6); Perhaps cavity former component (2) is provided with the carrying part (11) of convenient carrying; 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; Perhaps also be provided with at least one in chamfering (12), inner corner trim (13), groove (14), pit (15), hole (16), boss module (17), raised line (18), the external corner (19) on other position of cavity former component (2); Perhaps chamfering (12), inner corner trim (13), groove (14), raised line (18) self or be parallel, quadrature, oblique or grade separation setting mutually.

8, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that being provided with in the enclosed cavity of described cavity former component (2) at least one in stiffening rib (20), bracing boom (21), the reinforcing rib (22), perhaps there be in stiffening rib (20), the bracing boom (21) at least one to expose outside the shuttering member, perhaps stiffening rib (20), bracing boom (21), reinforcing rib (22) are gone up and are also had reinforce (7) to expose, and are anchored in the steel bar concrete (1); Perhaps be filled with light material (23) in the enclosed cavity of cavity former component (2); Perhaps upper plate (4) or on every side at least one in the sidewall (5) for or dismountable movable part (24) arranged.

9, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that described cavity former component (2) is provided with connector (25); Perhaps connect and compose assembly in groups by connector (25) each other between at least two cavity former components (2), constitute internal-rib die cavity (26) between the cavity former component (2), cast-in-situ reinforced concrete (1) has formed cast-in-situ reinforced concrete internal-rib (27) in internal-rib die cavity (26), 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-place concrete cored, it is characterized in that described at least two above cavity former components (2) connect and compose assembly in groups by bridging piece (9), constitute internal-rib die cavity (26) between the cavity former component (2), perhaps bridging piece (9) is provided with carrying part (11), cast-in-situ reinforced concrete (1) has formed cast-in-situ reinforced concrete internal-rib (27) in internal-rib die cavity (26), and links to each other with cast-in-situ reinforced concrete rib (3); Perhaps be provided with fixed or movable support draw piece (28) in the internal-rib die cavity (26); Perhaps bridging piece (9) or internal-rib die cavity (26) are provided with stirrup (29); Perhaps bridging piece (9) or internal-rib die cavity (26) are provided with the align member (8) of rib location; Perhaps bridging piece (9) or internal-rib die cavity (26) are provided with the matsurface that improves Cast-in-place concrete and bridging piece (9) or internal-rib die cavity (26) adhesion or shearing resistance, draw hair side, concavo-convex, folding shape muscle, waveform muscle, straight muscle, bend at least a in the muscle.

11, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that described going to the bottom (6) is the going to the bottom of cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, 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 plate, wood glue plate, bamboo offset plate, plastics, metal crimp template or sidewall on every side; There are reinforcing bar or steel wire or gauze wire cloth or thin band reinforce (7) to stretch in go to the bottom (6) perhaps in sidewall (5) or the reinforcing rib (22), and hook reinforcing bar or the steel wire or the thin band reinforce (7) of going to the bottom in (6), also from go to the bottom (6) or bridging piece (9), stretch out after perhaps hooking go to the bottom (6) interior reinforcing bar or steel wire or thin band reinforce (7), and be anchored in the steel bar concrete (1); Perhaps cavity former component (2) is all wrapped up in and is contained in the steel bar concrete (1); Also be provided with dark beam (30) in perhaps cast-in-place concrete cored or/and bright beam (31).

Images