CN100535326C - 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 side panels (5) of the hollow shuttering members (2) is provided with a vertical groove (8), the cast-in-situ concrete forms a reinforcement structure (9) in the vertical groove (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.

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 floor structure " utility model patent in the patent No. of application on February 23rd, 2000, a kind of shuttering member is disclosed in its manual, it can be solid, also can be hollow, its profile can be made shapes such as rectangle, circle, polygon according to designing requirement.And for example the Yu Shaohua of Tianjin is that ZL93206310.1, name are called " shuttering member " utility model patent in the patent No. of application on March 20th, 1993, it also discloses a kind of thin-wall mould-shell member, it makes totally-enclosed empty stomach polyhedral structure with the sidewall and the upper and lower end, establish ribs in the die housing, and adopt GRC or magnesium chloride GRC or do not have the manufacturing of sand ﹠ ceramsite cement.The applicant is 01140106.0 in the application number of application on November 23 calendar year 2001 for another example, publication number is CN1356442, name is called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention, its disclosed mould with cavity structure, comprise " upper plate; sidewall on every side; go to the bottom; upper plate; sidewall on every side; going to the bottom surrounds the polyhedron cavity 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.After but this cavity former component is applied to concrete hollow board, in the part of finding time of cavity former component, the intensity of hollowcore slab is relative with rigidity relatively poor, and the ability of bearing the point load effect is relatively low, therefore, develop 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 that mechanical property is good, intensity and characteristics such as rigidity ability big, that bear the point load effect is strong, easy construction.

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, sidewall is provided with at least one vertical groove around it is characterized in that at least one of described cavity former component, and Cast-in-place concrete has formed in vertical groove and added competent structure.Like this, because sidewall is provided with at least one vertical groove around the cavity former component, concrete can form the reinforcing rib of Cast-in-place concrete pier, post or Cast-in-place concrete rib between the cavity former component in groove, thereby improved the mechanical property of concrete hollow board significantly, at the position of finding time, its intensity and rigidity are bigger, and the ability of bearing the point load effect is stronger; Particularly when cavity former component is close to arrangement in concrete hollow board, in vertical groove, vertical pier or post have then been formed, the consumption of reinforcing bar and concrete further reduces, concrete hollow board is corresponding to have formed shearing pier formula concrete hollow board, thereby the mechanical property of concrete hollow board further improves; And, also have characteristics such as easy construction, speed of application is fast, 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, during the cast-in-situ reinforcing steel bar concrete hollow slab construction, its bridging piece that stretches out can replace engineering template, 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, when cast-in-situ reinforcing steel bar concrete hollow slab was constructed, the bridging piece that stretches out can form laminated floor slab with Cast-in-place concrete, had reduced the consumption of Cast-in-place concrete, had 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 to have on the sidewall around at least one of described cavity former component at least one vertical groove that runs through upper panel surface.Like this, Cast-in-place concrete pours in the vertical groove that runs through upper panel surface, has formed Cast-in-place concrete vertical strengthening ribs structure on the cast-in-situ reinforced concrete rib, has improved the strength and stiffness of cast-in-situ reinforced concrete rib, has improved the combination property of cast-in-situ reinforcing steel bar concrete hollow slab greatly.

Feature of the present invention also is all to have on the sidewall around all of described cavity former component at least one vertical groove that runs through upper panel surface.Like this, Cast-in-place concrete pours in the vertical groove, has formed Cast-in-place concrete vertical strengthening ribs structure on the cast-in-situ reinforced concrete rib, has improved the strength and stiffness of cast-in-situ reinforced concrete rib, has improved the combination property of cast-in-situ reinforcing steel bar concrete hollow slab greatly.

Feature of the present invention is also that described vertical groove is parallel to each other, oblique or extended line oblique.Like this, concrete pours into and above-mentionedly is parallel to each other, in the vertical groove of oblique or extended line oblique after, on the cast-in-situ reinforced concrete rib corresponding formed be parallel to each other, the Cast-in-place concrete of oblique or extended line oblique adds competent structure, improved the combination property of concrete hollow board greatly.

Feature of the present invention also be the upper plate of described cavity former component, on every side sidewall or go to the bottom on also be provided with transverse concave groove.Like this, Cast-in-place concrete and upper plate or on every side sidewall or the transverse concave groove that go up to be provided with of going to the bottom combine, formed the cast-in-place and prefabricated superimposed reinforcement that combines, improved the holistic resistant behavior of concrete hollow board greatly.

Feature of the present invention also is the vertical groove of described cavity former component and transverse concave groove UNICOM each other.Like this, Cast-in-place concrete pours in the groove of above-mentioned mutual UNICOM, form cast-in-place mutual interconnection on the weak part in cast-in-situ reinforcing steel bar concrete hollow slab and be the whole competent structure that adds, improved the intensity and the rigidity of concrete hollow board greatly, and the overall performance of concrete hollow board.

Feature of the present invention is that also the corner of described cavity former component is vertical groove or transverse concave groove.Like this, Cast-in-place concrete pours in the groove of the corner on the cavity former component, has formed the competent structure that adds of cast-in-situ reinforced concrete rib, has improved the load-carrying construction of concrete hollow board greatly, makes the concrete hollow plated construction more solid and reliable.

Feature of the present invention also be described upper plate, on every side sidewall, go to the bottom, bridging piece at least one in contain reinforce, perhaps have reinforce to expose, reinforce and Cast-in-place concrete are bonded to integral body.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, when cast-in-situ reinforcing steel bar concrete hollow slab is constructed, reinforce and Cast-in-place concrete that it exposes combine, and can improve the bond stress between Cast-in-place concrete and the cavity former component greatly, optimize the performance of whole 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 sidewall around described and be anchored at go to the bottom or bridging piece in, go to the bottom or bridging piece in have reinforce to stretch into and be anchored on every side in the sidewall.Like this, have reinforce to stretch into and be anchored on every side 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 on every side in the sidewall, thereby, around having improved greatly sidewall and go to the bottom between bonding strength, can guarantee effectively that cavity former component is in transportation, installation, work progress, on every side 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 has correspondingly formed various difform cast-in-situ concrete structures, thereby makes that the structure of cast-in-situ reinforcing steel bar concrete hollow slab is 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 the described cavity former component at least one in inner corner trim, chamfering, pit, hole, boss module, 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 inner corner trim, chamfering, the raised line self that is provided with on the described cavity former component 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 cast-in-situ reinforcing steel bar concrete hollow slab greatly.

Feature of the present invention is also that the cross sectional shape of described vertical groove or transverse concave groove is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle.Like this, after Cast-in-place concrete pours in the groove of different shape, correspondingly formed the cast-in-situ concrete structure identical, can fully satisfy various different designs and application need with its cross sectional shape, expand the range of application of cavity former component greatly, be convenient to applying of various occasions.

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, perhaps also have reinforce to expose on stiffening rib, the bracing boom, reinforce and Cast-in-place concrete are bonded to integral body.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 the inner stress system of cast-in-situ reinforcing steel bar concrete hollow slab.If also have reinforce to expose on it, then cavity former component and Cast-in-place concrete bonding is more firm, and the globality of 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 also is described upper plate, at least one in the sidewall is dismountable movable part on every side.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, when cast-in-situ reinforcing steel bar concrete hollow slab is constructed, 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, when concrete hollow board is constructed, can accurately locate cavity former component, 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.

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, when concrete hollow board is constructed, 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 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 the cast-in-situ reinforced concrete internal-rib 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.Between the spacer 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 concrete hollow board 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 one of structural representation of embodiment of the invention cavity shuttering member 2.

Fig. 4 be embodiment of the invention cavity shuttering member 2 structural representation two.

Fig. 5 be embodiment of the invention cavity shuttering member 2 structural representation three.

Fig. 6 be embodiment of the invention cavity shuttering member 2 structural representation four.

Fig. 7 be embodiment of the invention cavity shuttering member 2 structural representation five.

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

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

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

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

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

Figure 13 be embodiment of the invention cavity shuttering member 2 structural representation 11.

Figure 14 be embodiment of the invention cavity shuttering member 2 structural representation 12.

Figure 15 be embodiment of the invention cavity shuttering member 2 structural representation 13.

Figure 16 be embodiment of the invention cavity shuttering member 2 structural representation 14.

Figure 17 be embodiment of the invention cavity shuttering member 2 structural representation 15.

Figure 18 be embodiment of the invention cavity shuttering member 2 structural representation 16.

Figure 19 be embodiment of the invention cavity shuttering member 2 structural representation 17.

Figure 20 be embodiment of the invention cavity shuttering member 2 structural representation 18.

Figure 21 be embodiment of the invention cavity shuttering member 2 structural representation 19.

Figure 22 be embodiment of the invention cavity shuttering member 2 structural representation 20.

Figure 23 be embodiment of the invention cavity shuttering member 2 structural representation 21.

Figure 24 be embodiment of the invention cavity shuttering member 2 structural representation 22.

Figure 25 be embodiment of the invention cavity shuttering member 2 structural representation 23.

Figure 26 be embodiment of the invention cavity shuttering member 2 structural representation 24.

Figure 27 is the structural representation of the embodiment of the invention 3.

(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, sidewall 5 is provided with at least one vertical groove 8 around it is characterized in that at least one of described cavity former component 2, and Cast-in-place concrete has formed in vertical groove 8 and added competent structure 9.In the 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 vertical groove, 9 for adding competent structure, 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 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 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, sidewall 5 is provided with vertical groove 8 around its described cavity former component 2, and Cast-in-place concrete has formed in vertical groove 8 and added competent structure 9.As shown in Figure 2, the upper surface flush of the upper surface of its described cast-in-situ reinforced concrete rib 3 and cavity former component 2, no cast-in-situ reinforced concrete iterative structure panel above the cavity former component 2.As shown in Figure 3, be the structural representation of the cavity former component 2 used in Fig. 1, the concrete hollow board shown in Figure 2.

Feature of the present invention also be described go to the bottom 6 for by template 10 with go to the bottom 6 superimposed the going to the bottom that constitute jointly.As shown in Figure 4, its described go to the bottom 6 for by template 10 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 11 of convenient carrying on every side.As shown in Figure 5, its described bridging piece 7 is provided with the carrying part 11 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 6, 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 7, be extended with bridging piece 7 around its described upper plate 4, in concrete hollow board, 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 to have on the sidewall 5 around at least one of described cavity former component 2 at least one vertical groove 8 that runs through upper plate 4 surfaces.As shown in Figure 8, its described cavity former component 2 has the vertical groove 8 that runs through upper plate 4 surfaces on the sidewall 5 on every side.

Feature of the present invention also is all to have on the sidewall 5 around all of described cavity former component 2 at least one vertical groove 8 that runs through upper plate 4 surfaces.As shown in Figure 9, on the sidewall 5 the vertical groove 8 that runs through upper plate 4 surfaces is arranged all around all of its described cavity former component 2.

Feature of the present invention is also that described vertical groove 8 is parallel to each other, oblique or extended line oblique.As shown in figure 10, its described vertical groove 8 extended line obliques.

Feature of the present invention also be the upper plate 4 of described cavity former component 2, on every side sidewall 5 or go to the bottom also be provided with on 6 transverse concave groove 8 '.As shown in figure 11, the upper plate 4 of its described cavity former component 2, on every side also be provided with on the sidewall 5 transverse concave groove 8 '.

The UNICOM of the vertical groove 8 that feature of the present invention also is described cavity former component 2 and transverse concave groove 8 ' each other.As shown in figure 12, the UNICOM of the vertical groove 8 of its described cavity former component 2 and transverse concave groove 8 ' each other.

Feature of the present invention also be the corner of described cavity former component 2 be vertical groove 8 or transverse concave groove 8 '.As shown in figure 13, the corner of its described cavity former component 2 is vertical groove 8.

Feature of the present invention also be described upper plate 4, on every side sidewall 5, go to the bottom 6, bridging piece 7 at least one in contain reinforce 12, perhaps have reinforce 12 to expose, reinforce 12 is bonded to integral body with Cast-in-place concrete.As shown in figure 14, its described upper plate 4 and 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 sidewall 5 around described go to the bottom 6 or bridging piece 7 in, go to the bottom 6 or bridging piece 7 in have reinforce 12 to stretch into and be anchored on every side in the sidewall 5.As shown in figure 15, it has reinforce 12 to stretch into and be anchored in the bridging piece 7 in sidewall 5 around described.

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 chamfering polygon.

Feature of the present invention also is also to be provided with on the described cavity former component 2 at least one in inner corner trim 13, chamfering 14, pit 15, hole 16, boss module 17, raised line 18, the external corner 19.As shown in figure 17, also be provided with chamfering 14, pit 15, raised line 18 simultaneously on its described cavity former component 2.As shown in figure 18, also be provided with inner corner trim 13, chamfering 14, hole 16, boss module 17, external corner 19 simultaneously on its described cavity former component 2.

The inner corner trim 13 that feature of the present invention also is on the described cavity former component 2 to be provided with, chamfering 14, raised line 18 self or be parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 18, the inner corner trim 13 that is provided with on its described cavity former component 2, chamfering 14, hole 16, boss module 17, external corner 19 self or be parallel, quadrature mutually and the grade separation setting.

Feature of the present invention also be described vertical groove 8 or transverse concave groove 8 ' cross sectional shape be that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle.As shown in figure 19, the cross sectional shape of its described vertical groove 8 is that opening is trapezoidal.

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, perhaps also have reinforce 12 to expose on stiffening rib 20, the bracing boom 21, reinforce 12 is bonded to integral body with Cast-in-place concrete.As shown in figure 19, be provided with stiffening rib 20, bracing boom 21, reinforcing rib 22 in the enclosed cavity of its described cavity former component 2, stiffening rib 20 and bracing boom 21 expose, and in concrete hollow board, are bonded to integral body with Cast-in-place concrete.

Feature of the present invention also is to be provided with light material 23 in the enclosed cavity of described cavity former component 2.As shown in figure 20, be provided 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 is described upper plate 4, at least one in the sidewall 5 is dismountable movable part on every side.As shown in figure 21, its described upper plate 4 is 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, the external surface of its described upper plate 4 and bridging piece 7 is corrugated and the exasperate external surface.

Feature of the present invention is that also described cavity former component 2 is provided with align member 24.As shown in figure 23, its described cavity former component 2 is provided with align member 24.

Feature of the present invention is that also described cavity former component 2 is provided with connector 25 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 25 connected to one another between the cavity former component 2.

Feature of the present invention is that also at least two cavity former components 2 are connected as one by bridging piece 7, constitute internal-rib die cavity 26 between the cavity former component 2, Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib 27 in internal-rib die cavity 26, cast-in-situ reinforced concrete internal-rib 27 links to each other with cast-in-situ reinforced concrete rib 3.As Figure 25, shown in Figure 27, its described a plurality of cavity former components 2 are connected as one by bridging piece 7, constitute internal-rib die cavity 26 between the cavity former component 2, in concrete hollow board, Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib 27 in internal-rib die cavity 26, cast-in-situ reinforced concrete internal-rib 27 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 26 fixed or movable support draw piece 28.As shown in figure 26, be provided with fixing support draw piece 28 in its described internal-rib die cavity 26.

Feature of the present invention also is also to be provided with dark beam 29 in the described concrete hollow board or/and bright beam 30.As shown in Figure 1, also be provided with dark beam 29 and bright beam 30 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 29 or bright beam 30, 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 (32)

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, sidewall (5) is provided with at least one vertical groove (8) around it is characterized in that at least one of described cavity former component (2), and Cast-in-place concrete has formed in vertical groove (8) and added competent structure (9).

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 (10) 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 (11) 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, concrete hollow board according to claim 1 is characterized in that having on the sidewall (5) around at least one of described cavity former component (2) at least one vertical groove (8) that runs through upper plate (4) surface.

7, concrete hollow board according to claim 6 is characterized in that all having on the sidewall (5) around all of described cavity former component (2) at least one vertical groove (8) that runs through upper plate (4) surface.

8, concrete hollow board according to claim 1 is characterized in that described vertical groove (8) is parallel to each other, oblique or extended line oblique.

9, concrete hollow board according to claim 1 is characterized in that the upper plate (4) of described cavity former component (2), also is provided with transverse concave groove (8 ') on sidewall (5) or go to the bottom (6) on every side.

10, concrete hollow board according to claim 9, the vertical groove (8) that it is characterized in that described cavity former component (2) and transverse concave groove (8 ') be UNICOM each other.

11, concrete hollow board according to claim 1, the corner that it is characterized in that described cavity former component (2) is vertical groove (8) or transverse concave groove (8 ').

12, concrete hollow board according to claim 1 is characterized in that described upper plate (4), contains reinforce (12) at least one of sidewall (5), go to the bottom (6), bridging piece (7) on every side.

13, concrete hollow board according to claim 12 is characterized in that described upper plate (4), at least one of sidewall (5), go to the bottom (6), bridging piece (7) has reinforce (12) to expose on every side, and reinforce (12) is bonded to integral body with Cast-in-place concrete.

14, concrete hollow board according to claim 12, it is characterized in that having reinforce (12) to stretch into and be anchored in the sidewall (5) around described and go to the bottom (6) or bridging piece (7) in, go to the bottom (6) or bridging piece (7) in have reinforce (12) to stretch into and be anchored on every side in the sidewall (5).

15,, it is characterized in that the horizontal profile of described cavity former component (2) is shaped as polygon, multi sphere limit shape, corrugated or circular according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

16,, it is characterized in that the horizontal profile of described cavity former component (2) is shaped as rectangle or square according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

17,, it is characterized in that the horizontal profile of described cavity former component (2) is shaped as arc angle polygon or chamfering polygon according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

18,, it is characterized in that also being provided with on the described cavity former component (2) at least one in inner corner trim (13), chamfering (14), pit (15), hole (16), boss module (17), raised line (18), the external corner (19) according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

19, concrete hollow board according to claim 18 is characterized in that inner corner trim (13), chamfering (14), the raised line (18) self that described cavity former component (2) go up to be provided with or is parallel, quadrature, oblique or grade separation setting mutually.

20, according to the described concrete hollow board of arbitrary claim in the claim 1 to 14, the cross sectional shape that it is characterized in that described vertical groove (8) or transverse concave groove (8 ') is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle.

21,, 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) according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

22, concrete hollow board according to claim 21 is characterized in that described cavity former component (2) has in stiffening rib (20), the bracing boom (21) at least one to expose.

23, concrete hollow board according to claim 22, reinforce (12) exposes to it is characterized in that going up stiffening rib (20) or bracing boom (21) in addition, and reinforce (12) is bonded to integral body with Cast-in-place concrete.

24,, it is characterized in that being provided with light material (23) in the enclosed cavity of described cavity former component (2) according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

25,, it is characterized in that described upper plate (4), at least one in the sidewall (5) is dismountable movable part on every side according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

26,, it is characterized in that described upper plate (4), at least one in the external surface of sidewall (5), bridging piece (7) is corrugated, zigzag or plucking shape external surface on every side according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

27,, it is characterized in that described upper plate (4), at least one in the external surface of sidewall (5), bridging piece (7) is the exasperate external surface on every side according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

28,, it is characterized in that described cavity former component (2) is provided with align member (24) according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

29,, it is characterized in that described cavity former component (2) is provided with connector connected to one another (25) between the cavity former component (2) according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

30, according to the described concrete hollow board of arbitrary claim in the claim 1 to 14, it is characterized in that at least two cavity former components (2) are connected as one by bridging piece (7), constitute internal-rib die cavity (26) between the cavity former component (2), Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib (27) in internal-rib die cavity (26), cast-in-situ reinforced concrete internal-rib (27) links to each other with cast-in-situ reinforced concrete rib (3).

31, concrete hollow board according to claim 30 is characterized in that being provided with in the described internal-rib die cavity (26) fixed or movable support draw piece (28).

32,, it is characterized in that also being provided with dark beam (29) in the described concrete hollow board or/and bright beam (30) according to the described concrete hollow board of arbitrary claim in the claim 1 to 14.

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