CN1800547A

CN1800547A - Reinforced bar concrete hollow slab

Info

Publication number: CN1800547A
Application number: CN 200410082347
Authority: CN
Inventors: 邱则有
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-31
Filing date: 2004-12-31
Publication date: 2006-07-12

Abstract

Disclosed is a reinforced-bar concrete hollow slab, which comprises a reinforced-bar concrete (1) and hollow members (2), the hollow members (2) are enclosed in the reinforced-bar concrete (1), the hollow members (2) are arranged alternatively, and cast-in-situ reinforced-bar concrete rib (3) is arranged between them, the hollow members (2) comprise an upper board (4), peripheral side panels (5), and a lower bottom (6), the upper board (4), peripheral side panels (5), and the lower bottom (6) enclose a polyhedral hollow member, the invention is characterized in that at least a bottom rib recess (7) is arranged between the side panels (5) and the lower bottom (6), a reinforced structure (8) of the reinforced-bar concrete hollow slab is formed on the recess (7) position of the cast-in-situ concrete, a reversed T-shape rib is formed by the cast-in-situ reinforced bar concrete rib (3) together with the reinforced structure (8) on the corresponding sites, at least one of the transverse corners of the hollow member is configured to be a horizontal chamfering (9), the cast-in-situ reinforced bar concrete forms a cast-in-situ concrete reinforced structure (8) at the horizontal chamfering (9) position. The invention can be applied to cast-in-situ reinforced-bar concrete hollow slabs, storied building covers, house roofings, foundation slabs, and hollow bridges.

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 concrete hollow floor is to use wider floor structural form, and the lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent as the applicant in the patent No. of application on November 29th, 1999, it discloses a kind of thin-wall mould-shell member, comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity.And for example Shijiazhuang City, Hebei Province city beam army is that ZL00203695.9, name are called " combination concrete hidden rib floor structure " utility model patent in the patent No. of application on February 23rd, 2000, a kind of shuttering member is disclosed in its manual, it can be solid, also can be hollow, its profile can be made shapes such as rectangle, circle, polygon according to designing requirement.And for example the Yu Shaohua of Tianjin is that ZL93206310.1, name are called " shuttering member " utility model patent in the patent No. of application on March 20th, 1993, it also discloses a kind of thin-wall mould-shell member, it makes totally-enclosed empty stomach polyhedral structure with the sidewall and the upper and lower end, establish ribs in the die housing, and adopt GRC or magnesium chloride GRC or do not have the manufacturing of sand ﹠ ceramsite cement.The applicant is 01140106.0 in the application number of application on November 23 calendar year 2001 for another example, publication number is CN1356442, name is called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention, its disclosed mould with cavity structure, comprise " upper plate; sidewall on every side; go to the bottom; upper plate; sidewall on every side; going to the bottom surrounds the polyhedron Cavity structural member, this Cavity structural member has in light weight, the intensity height, simple in structure, characteristics such as convenient construction and transport, simultaneously, when reality is used, going to the bottom, it is stressed to participate in, and can hang the greater weight object and in-situ deposited prefabricated bonding surface does not ftracture, in addition, this kind polyhedron Cavity structural member, in order to prevent effectively and to disperse the stress between formwork and the Cast-in-place concrete to concentrate, eliminate straight slit, make go to the bottom and Cast-in-place concrete between bonding better, improve overall performance, its peripheral side of going to the bottom can be made interior puncture dihedral, back taper, waveform, serrated-surface.Above-mentioned disclosed these Cavity structural members are applied in the close rib building roof, be shuttering member be again prefabricated noggin piece, have simple in structure, characteristics such as intensity is high, resistance to deformation, the anti-vibration performance is good, easy to manufacture, cost is low.But after being applied to hollow building cover, formed Cast-in-place concrete rib is the Cast-in-place concrete rib of rectangle between the Cavity structural member, and its stress performance is not quite reasonable, often need increase the sectional dimension of Cast-in-place concrete rib, increase reinforcing bar and concrete consumption, increase the cost of superstructure, simultaneously, in Cast-in-place concrete upper plate on the Cavity structural member and the Cast-in-place concrete rib intersection between the Cavity structural member, the stressed complexity of superstructure, stress is more concentrated, easily produces crack even cracking destruction.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 the generation that mechanical property is good, the crack is concentrated, prevented to minimizing stress, the sectional dimension that reduces the Cast-in-place concrete rib, minimizing reinforcing bar and concrete consumption, reduce characteristics such as construction cost, easy construction.

Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, Cavity structural member, Cavity structural member is wrapped up in and is contained in the steel bar concrete, Cavity structural member alternately, be the cast-in-situ reinforced concrete rib each other, Cavity structural member 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 structural member, it is characterized in that described sidewall and go to the bottom between be provided with at least one end costal fovea groove, Cast-in-place concrete has formed the competent structure that adds of concrete hollow board at the groove position, the cast-in-situ reinforced concrete rib of corresponding site with add competent structure and formed the inverted T shape rib jointly, at least one lateral corner place at Cavity structural member is set to horizontal chamfering, and cast-in-situ reinforced concrete has formed Cast-in-place concrete at horizontal chamfer site and added competent structure.Like this, owing to be provided with end costal fovea groove at sidewall and between going to the bottom, Cast-in-place concrete rib between the Cavity structural member has formed the inverted T-shaped rib, its shape of cross section has become inverted T-shaped by rectangle, thereby the mechanical property of concrete hollow board improves greatly, can reduce the sectional dimension of Cast-in-place concrete rib, reduce reinforcing bar and concrete consumption, reduce construction cost, and it is more convenient to construct; Simultaneously, owing to be set to horizontal chamfering at the lateral corner place of Cavity structural member, formed the reinforcing rib of Cast-in-place concrete at chamfer site, thereby can eliminate the stress concentration phenomenon at the position, turning that Cast-in-place concrete upper plate and Cast-in-place concrete rib intersect in the concrete hollow board effectively, prevent the generation in crack, 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 is that also the turning at lateral corner place all around of described Cavity structural member is horizontal chamfering.Like this, Cast-in-place concrete pours in the chamfering at lateral corner place around the Cavity structural member, formed the reinforcing rib transition structure of Cast-in-place concrete upper plate and Cast-in-place concrete rib junction in the concrete hollow board, can strengthen Cast-in-place concrete rib and Cast-in-place concrete upper plate intensity and rigidity greatly at the crossed node place, the concentration phenomenon that eliminates stress is improved the mechanical property of concrete hollow board.

Feature of the present invention is also that described horizontal chamfering is parallel with end costal fovea groove, oblique or its prolong the back oblique.Like this, cast-in-place concrete pours in above-mentioned horizontal chamfering and the end costal fovea groove, formed be parallel to each other, Cast-in-place concrete that oblique or its prolong the back oblique adds competent structure, strengthened the force structure of concrete hollow intralamellar part, increased substantially the mechanical property of concrete hollow board.

Feature of the present invention is that also described horizontal chamfering is linked to be the ring of quadrature or oblique.Like this, after Cast-in-place concrete pours into horizontal chamfering, formed the ring stiffener that is in quadrature or oblique, improved the overall performance of concrete hollow board greatly, made the mechanical property of concrete hollow board better.

Feature of the present invention is that also the vertical corner of Cavity structural member is set to vertical chamfering.Like this, Cast-in-place concrete pours in the chamfering of vertical corner around the Cavity structural member, has formed the reinforcing rib structure of shearing pier or post or pier stud, has strengthened the intensity and the rigidity of the crossed node of Cast-in-place concrete rib greatly, has improved the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab.

Feature of the present invention also be described upper plate, on every side sidewall, go to the bottom at least one in contain reinforce, perhaps have reinforce to expose, and be bonded to integral body with Cast-in-place concrete.Reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, strap, the braid over braid.Like this, upper plate, on every side sidewall or go to the bottom in contain above-mentioned reinforce, upper plate, the sidewall and the strength and stiffness of going to the bottom have on every side been improved greatly, make Cavity structural member 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 structural member outside on the Cavity structural member, 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 structural member greatly, optimize the performance of whole concrete hollow board.

Feature of the present invention also be described sidewall and go to the bottom between the cell wall of the end costal fovea groove that is provided with have reinforce to stretch into and be anchored at go to the bottom in.Like this, in having reinforce to stretch into and be anchored in the cell wall to go to the bottom, thereby, can improve the cell wall of groove and the bonding strength of going to the bottom greatly, can guarantee effectively that Cavity structural member is in transportation, installation, work progress, the cell wall of groove and go to the bottom between do not ftracture, loosening, do not come off, reduce the breakage rate of Cavity structural member significantly, the construction cost of corresponding reduction concrete hollow board.

The feature of invention also be described sidewall with go to the bottom between all be set to all around end costal fovea groove along sidewall.Like this, Cast-in-place concrete pours in the groove that is provided with around the sidewall, Cast-in-place concrete rib between the Cavity structural member has all formed the inverted T-shaped rib, improved the mechanical property of concrete hollow board greatly, simultaneously, Cavity structural member is firmly wrapped up in and is contained in the Cast-in-place concrete, can significantly reduce the generation in crack between Cast-in-place concrete and the prefabricated cavity member, improves the combination property of concrete hollow board.

Feature of the present invention also is the orthogonal end costal fovea groove that is square of costal fovea groove of the described end.Like this, the orthogonal setting that is square of end costal fovea groove, Cast-in-place concrete pours in the square base costal fovea groove, Cast-in-place concrete rib between the Cavity structural member has formed the inverted T-shaped rib structure, increased substantially the mechanical property of concrete hollow board, when making the concrete hollow board bearing load, stress can be delivered on the post and beam structure uniformly and stably.

Feature of the present invention is that also the horizontal profile of described Cavity structural member is shaped as rectangle, square, polygon, arc angle polygon, horizontal inner corner trim polygon, multi sphere shape, corrugated or circular.Like this, the variation of Cavity structural member shape has correspondingly formed various difform cast-in-situ concrete structures, thereby makes the more reasonable structure of concrete hollow board, has made things convenient for design and construction unit to select for use.

Feature of the present invention also is an end of costal fovea groove of the described end on going to the bottom, and the other end upwards edges up or end costal fovea well width increases.Like this, Cast-in-place concrete pours in the end costal fovea groove, corresponding formed gradually to rise increase or the cast-in-situ concrete structure of broadening gradually, can satisfy local the reinforcement done in different force parts in the concrete hollow board, be specially adapted to make the concrete hollow plated construction improve rationally more to strengthening near dark beam or bright beam or the structural column.Simultaneously, be applicable to also when in the Cast-in-place concrete rib, presstressed reinforcing steel being set that the Cavity structural member of doing the end uses.

Feature of the present invention is that also costal fovea groove of the described end is degree of broadening end costal fovea groove or degree of deepening end costal fovea groove.Like this, after Cast-in-place concrete pours in the end costal fovea groove of degree of broadening or degree of deepening, formed the gradual change width consistent or the Cast-in-place concrete ribs of degree of uprising, can very conveniently satisfy the Structure Conversion of various different force parts in the concrete hollow board and the requirement of power transmission compactly with groove shapes.

Feature of the present invention also be described go to the bottom stretch out Cavity structural member around outside the horizontal projection of sidewall, the bottom surface of going to the bottom flushes with the bottom surface of concrete hollow board.Like this, the part of stretching out Cavity structural member of going to the bottom can replace construction formwork to use, and can reduce the loss of template, reduces the construction cost of concrete hollow board, simultaneously, because of having omitted the installation procedure of construction formwork, can increase substantially speed of application, reduces construction cost.

Feature of the present invention is that also other position of described Cavity structural member is provided with at least one in groove, inner corner trim, 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 structural member, raised line, external corner can be found time the concrete that does not stress in the concrete hollow board, can further alleviate the weight of concrete hollow board self, save the consumption of concrete, reduce the cost of concrete hollow board.

Feature of the present invention also is described groove, inner corner trim, raised line self or is parallel, quadrature, oblique or grade separation setting mutually.Like this, groove on the Cavity structural member, inner corner trim, chamfering, raised line self or be parallel, quadrature, oblique or grade separation setting mutually, after building concrete, the corresponding Cast-in-place concrete that has formed parallel, quadrature, oblique or grade separation adds competent structure, has improved the mechanical property of concrete hollow board greatly.

Feature of the present invention is also that the cross sectional shape of described groove is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-type, 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 with its cross sectional shape, can fully satisfy various different designs and application need, expanded the range of application of Cavity structural member greatly, be convenient to applying of various occasions, the corresponding cost that reduces concrete hollow board.

Feature of the present invention also is to be provided with in the enclosed cavity of described Cavity structural member 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, and be bonded to integral body with Cast-in-place concrete.Like this, stiffening rib, bracing boom, reinforcing rib that is provided with in the Cavity structural member or the stiffening rib that exposes, bracing boom can form the cast-in-place and prefabricated composite construction that combines with Cast-in-place concrete, have optimized concrete hollow intralamellar part stress system.If also have reinforce to expose on it, then Cavity structural member 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 structural member.Like this, improve the shock resistance of Cavity structural member 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.; the diversity of its light material kind; draw materials nearby when being convenient to produce; reduce production costs the corresponding cost that also reduces concrete hollow board.

Feature of the present invention is that also in described upper plate or the sidewall at least one is for dismountable movable part.Like this, when concrete hollow board is constructed, can make things convenient for the situation of checking Cavity structural member inside at any time, simultaneously also can be at any time at the interior section of Cavity structural member 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 structural member.

Feature of the present invention is that also described Cavity structural member is provided with align member.Align member can be draw ring, drag hook, iron wire, feet or other device.Like this, can accurately locate, prevent that phenomenons such as Cavity structural member floats, displacement from producing, and can effectively guarantee the pouring quality of concrete hollow board when building concrete Cavity structural member.

Feature of the present invention is that also described Cavity structural member is provided with the connector of the location that is connected to each other between the Cavity structural member.Connector can be reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, angle steel, channel-section steel, L shaped steel, T-steel, cutting ferrule, bolt, male and female groove, socket component, indention, tongue, groove, bayonet socket, cutting ferrule, hole, embedded iron parts etc.Like this, the connector that is provided with on the Cavity structural member can be controlled the distance between the Cavity structural member effectively, reliably, the width and the height of control Cast-in-place concrete rib, the pouring quality of assurance concrete hollow board internal construction; Simultaneously, also help Cavity structural member connection location each other, accelerate speed of application, the corresponding cost that also reduces concrete hollow board.

Feature of the present invention is that also described upper plate and the basin-shaped component that sidewall constituted are arranged at intervals with more than two on every side on going to the bottom, basin-shaped component constitutes the internal-rib die cavity each other, Cast-in-place concrete has formed the cast-in-situ reinforced concrete internal-rib in the internal-rib die cavity, and links to each other with the cast-in-situ reinforced concrete rib.Like this, Cast-in-place concrete enters in the internal-rib die cavity between the basin-shaped component, has formed the Cast-in-place concrete internal-rib, can improve the mechanical property of concrete hollow board; Simultaneously, going to the bottom is provided with a plurality of basin-shaped components, becomes the basin-shaped molds shell component, thereby, can improve 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 spacer draw piece.Between the spacer draw piece can be rod member, rope, plate, muscle, silk, thin band, pier, piece etc., they can be movable or dismountable spacer draw piece, spacer draw piece between also can fixing.Like this, installation speed is fast, and high efficiency can improve the speed of application of concrete hollow board greatly, and simultaneously, the breakage rate of Cavity structural member is low, helps reducing construction cost.

Feature of the present invention also is to connect and compose assembly in groups by a spacer draw piece between described a plurality of Cavity structural member.Like this, be provided with a spacer draw piece in the internal-rib die cavity, a spacer draw piece has played the effect of reinforcing, and in carrying, stacking, transportation, installation, work progress, Cavity structural member is not easy to crack, fracture or destroy; Simultaneously, Cavity structural member is assembly in groups, can make things convenient for the construction of concrete hollow board, helps accelerating the speed of application of concrete hollow board, improves efficiency of construction.

Feature of the present invention also is to contain in described the going to the bottom presstressed reinforcing steel or the thin band of prestressing force.Like this, be provided with the intensity of the base plate of the thin band of presstressed reinforcing steel or prestressing force, be greatly improved, make it in each process of using, be difficult for breaking, can significantly reduce the breakage rate of Cavity structural member, reduce the cost of Cavity structural member, the construction cost of corresponding reduction concrete hollow board.

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

(4) description of drawings

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Figure 15 be embodiment of the invention cavity member 2 structural representation 11.

Figure 16 be embodiment of the invention cavity member 2 structural representation 12.

Figure 17 be embodiment of the invention cavity member 2 structural representation 13.

Figure 18 be embodiment of the invention cavity member 2 structural representation 14.

Figure 19 be embodiment of the invention cavity member 2 structural representation 15.

Figure 20 be embodiment of the invention cavity member 2 structural representation 16.

Figure 21 be embodiment of the invention cavity member 2 structural representation 17.

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

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

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

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

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

Figure 27 be embodiment of the invention cavity member 2 structural representation 23.

Figure 28 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 structural member 2, Cavity structural member 2 is wrapped up in and is contained in the steel bar concrete 1, Cavity structural member 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, Cavity structural member 2 comprises upper plate 4, sidewall 5 on every side, go to the bottom 6, upper plate 4, sidewall 5 on every side, go to the bottom and 6 surround the polyhedron Cavity structural member, it is characterized in that described sidewall 5 and go to the bottom being provided with at least one end costal fovea groove 7 between 6, what Cast-in-place concrete had formed concrete hollow board at groove 7 positions adds competent structure 8, the cast-in-situ reinforced concrete rib 3 of corresponding site with add competent structure 8 and formed the inverted T shape rib jointly, at least one lateral corner place at Cavity structural member is set to horizontal chamfering 9, and cast-in-situ reinforced concrete has formed Cast-in-place concrete at horizontal chamfering 9 positions and added competent structure 8.In each accompanying drawing, 1 is steel bar concrete, and 2 is Cavity structural member, and 3 is the cast-in-situ reinforced concrete rib, and 4 is upper plate, 5 be around sidewall, 6 for going to the bottom, 7 is end costal fovea groove, 8 for adding competent structure, 9 is chamfering, 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 structural member 2, Cavity structural member 2 is wrapped up in and is contained in the steel bar concrete 1, Cavity structural member 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, Cavity structural member 2 comprises upper plate 4, sidewall 5 on every side, go to the bottom 6, upper plate 4, sidewall 5 on every side, go to the bottom and 6 surround the polyhedron Cavity structural member, sidewall 5 and go to the bottom and be provided with end costal fovea groove 7 between 6, what Cast-in-place concrete had formed concrete hollow board at groove 7 positions adds competent structure 8, the cast-in-situ reinforced concrete rib 3 of corresponding site with add competent structure 8 and formed the inverted T shape rib jointly, be set to horizontal chamfering 9 at the lateral corner place of Cavity structural member, cast-in-situ reinforced concrete has formed Cast-in-place concrete at horizontal chamfering 9 positions and has added competent structure 8.Fig. 1,2,3,4 structural representations of in concrete hollow board, using for Cavity structural member 2 shown in Figure 5.

Feature of the present invention is that also the turning at lateral corner place all around of described Cavity structural member is horizontal chamfering 9.As shown in Figure 6, the turning at lateral corner place all around of its described Cavity structural member is horizontal chamfering 9.

Feature of the present invention is also that described horizontal chamfering 9 and end costal fovea groove are 7 parallel, oblique or its prolong the back oblique.As shown in Figure 7, its described horizontal chamfering 9 is parallel with end costal fovea groove 7.

Feature of the present invention is that also described horizontal chamfering 9 is linked to be the ring of quadrature or oblique.As shown in Figure 8, its described horizontal chamfering 9 is linked to be the ring of quadrature.

Feature of the present invention is that also the vertical corner of Cavity structural member 2 is set to vertical chamfering 9.As shown in Figure 8, the vertical corner of its described Cavity structural member 2 is set to vertical chamfering 9.

Feature of the present invention also be described upper plate 4, on every side sidewall 5, go to the bottom 6 at least one in contain reinforce 10, perhaps have reinforce 10 to expose, and be bonded to integral body with Cast-in-place concrete.As shown in Figure 9, its described upper plate 4, on every side sidewall 5, go to the bottom and contain reinforce 10 in 6.

Feature of the present invention also is described sidewall 5 and the cell wall of the end costal fovea groove 7 that is provided with of going to the bottom between 6 has reinforce 10 to stretch into and be anchored to go to the bottom in 6.As shown in figure 10, the cell wall of the end costal fovea groove 7 that is provided with of its described sidewall 5 and go to the bottom between 6 has reinforce 10 to stretch into and be anchored to go to the bottom in 6.

Feature of the present invention also is described sidewall 5 and goes to the bottom all to be set to end costal fovea groove 7 between 6 around sidewall 5.As shown in figure 11, its described sidewall 5 and go to the bottom between 6 and around sidewall 5, all to be set to end costal fovea groove 7.

Feature of the present invention also is costal fovea groove of the described end 7 orthogonal end costal fovea grooves that are square.As shown in figure 10, its costal fovea groove of described end 7 orthogonal end costal fovea grooves that are square.

Feature of the present invention is that also the horizontal profile of described Cavity structural member 2 is shaped as rectangle, square, polygon, arc angle polygon, horizontal inner corner trim polygon, multi sphere shape, corrugated or circular.As shown in figure 12, the horizontal profile of its described Cavity structural member 2 is shaped as square.

The end that feature of the present invention also is costal fovea groove of the described end 7 is being gone to the bottom on 6, and the other end upwards edges up or end costal fovea groove 7 width increase.As shown in figure 12, an end of its costal fovea groove of described end 7 is being gone to the bottom on 6, and the other end upwards edges up.

Feature of the present invention is that also costal fovea groove of the described end 7 is degree of broadening end costal fovea groove or degree of deepening end costal fovea groove.Shown in Figure 13,14, its costal fovea groove of described end 7 is degree of broadening end costal fovea groove.

Feature of the present invention also be described go to the bottom 6 stretch out Cavity structural member 2 around outside the horizontal projection of

sidewall

5,6 the bottom surface of going to the bottom flushes with the bottom surface of concrete hollow board.As shown in figure 15, it is described go to the bottom 6 stretch out Cavity structural member 2 around outside the horizontal projection of

sidewall

5,6 the bottom surface of going to the bottom flushes with the bottom surface of concrete hollow board.

Feature of the present invention is that also other position of described Cavity structural member 2 is provided with at least one in groove 7, inner corner trim 11, pit 12, hole 13, boss module 14, raised line 15, the external corner 16.As shown in figure 16, other position of its described Cavity structural member 2 is provided with pit 12, boss module 14, raised line 15, and as shown in figure 17, other position of its described Cavity structural member 2 is provided with groove 7, inner corner trim 11, hole 13, external corner 16.

Feature of the present invention also is described groove 7, inner corner trim 11, raised line 15 self or is parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 17, its described groove 7, inner corner trim 11 mutual orthogonal thereto settings.

Feature of the present invention is also that the cross sectional shape of described groove 7 is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-type, stairstepping or semicircle.As shown in figure 18, the cross sectional shape of its described groove 7 is a V-type.

Feature of the present invention also is to be provided with in the enclosed cavity of described Cavity structural member 2 at least one in stiffening rib 17, bracing boom 18, the reinforcing rib 19, perhaps there be in stiffening rib 17, the bracing boom 18 at least one to expose, perhaps also have reinforce 10 to expose on stiffening rib 17, the bracing boom 18, and be bonded to integral body with Cast-in-place concrete.As shown in figure 19, be provided with stiffening rib 17, bracing boom 18, reinforcing rib 19 in the enclosed cavity of its described Cavity structural member 2, stiffening rib 17, bracing boom 18 expose simultaneously, in concrete hollow board, can be bonded to integral body with Cast-in-place concrete.

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

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

Feature of the present invention is that also described Cavity structural member 2 is provided with align member 21.As shown in figure 22, its described Cavity structural member 2 is provided with align member 21.

Feature of the present invention is that also described Cavity structural member 2 is provided with the connector 22 of the location that is connected to each other between the Cavity structural member.As shown in figure 23, its described Cavity structural member 2 is provided with the connector 22 of the location that is connected to each other between the Cavity structural member.

Feature of the present invention is that also basin-shaped component 23 that described upper plate 4 and sidewall 5 on every side constituted is arranged at intervals with more than two on 6 going to the bottom, basin-shaped component 23 constitutes internal-rib die cavity 24 each other, Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib 25 in internal-rib die cavity 24, and links to each other with cast-in-situ reinforced concrete rib 3.As Figure 24, shown in Figure 28, the basin-shaped component 23 that its described upper plate 4 and sidewall 5 are on every side constituted go to the bottom be arranged at intervals with on 6 a plurality of, basin-shaped component 23 constitutes internal-rib die cavity 24 each other, Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib 25 in internal-rib die cavity 24, and links to each other with cast-in-situ reinforced concrete rib 3.

Feature of the present invention also is to be provided with in the described internal-rib die cavity 24 a spacer draw piece 26.As shown in figure 25, be provided with a spacer draw piece 26 in its described internal-rib die cavity 24.

Feature of the present invention also is to connect and compose assembly in groups by a spacer draw piece 26 between described a plurality of Cavity structural member 2.As shown in figure 26, connect and compose assembly in groups by a spacer draw piece 26 between its described a plurality of Cavity structural members 2.

Feature of the present invention is that also described going to the bottom contain presstressed reinforcing steel 27 or the thin band 28 of prestressing force in 6.As shown in figure 27, its described going to the bottom is contained presstressed reinforcing steel 27 and the thin band 28 of prestressing force in 6.

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 3, also be provided with dark beam 29 in its described concrete hollow board, as shown in Figure 4, also be provided with bright beam 30 in its described concrete hollow board.

During the invention process, press earlier construction requirement mounting bracket or template, lay hollow unit 2, re-lay the reinforcing bar of reinforcing bar or dark beam 29 or bright beam 30, 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-situ reinforcing steel bar concrete hollow slab.

Claims

1, a kind of concrete hollow board, comprise steel bar concrete (1), Cavity structural member (2), Cavity structural member (2) is wrapped up in and is contained in the steel bar concrete (1), Cavity structural member (2) alternately, be cast-in-situ reinforced concrete rib (3) each other, Cavity structural member (2) comprises upper plate (4), sidewall (5) on every side, go to the bottom (6), upper plate (4), sidewall (5) on every side, go to the bottom (6) surround the polyhedron Cavity structural member, it is characterized in that described sidewall (5) and go to the bottom being provided with at least one end costal fovea groove (7) between (6), what Cast-in-place concrete had formed concrete hollow board at groove (7) position adds competent structure (8), the cast-in-situ reinforced concrete rib (3) of corresponding site with add competent structure (8) and formed the inverted T shape rib jointly, at least one lateral corner place at Cavity structural member is set to horizontal chamfering (9), and cast-in-situ reinforced concrete has formed Cast-in-place concrete at horizontal chamfering (9) position and added competent structure (8).

2, concrete hollow board according to claim 1 is characterized in that the turning at lateral corner place all around of described Cavity structural member (2) is horizontal chamfering (9).

3, concrete hollow board according to claim 1 is characterized in that described horizontal chamfering (9) is parallel with end costal fovea groove (7), oblique or its prolong the back oblique.

4, concrete hollow board according to claim 1 is characterized in that described horizontal chamfering (9) is linked to be the ring of quadrature or oblique.

5, concrete hollow board according to claim 1 is characterized in that the vertical corner of Cavity structural member is set to vertical chamfering (9).

6, concrete hollow board according to claim 1 is characterized in that described upper plate (4), contains reinforce (10) at least one of sidewall (5), go to the bottom (6) on every side, perhaps has reinforce (10) to expose, and is bonded to integral body with Cast-in-place concrete; Perhaps the cell wall of the end costal fovea groove (7) that is provided with of sidewall (5) and go to the bottom between (6) has reinforce (10) to stretch into and be anchored to go to the bottom in (6); Perhaps sidewall (5) and go to the bottom between (6) and around sidewall (5), all to be set to end costal fovea groove (7); The perhaps orthogonal end costal fovea groove that is square of end costal fovea groove (7).

7,, it is characterized in that the horizontal profile of described Cavity structural member (2) is shaped as rectangle, square, polygon, arc angle polygon, horizontal inner corner trim polygon, multi sphere shape, corrugated or circular according to the described concrete hollow board of arbitrary claim in the claim 1 to 6; Perhaps an end of end costal fovea groove (7) is on go to the bottom (6), and the other end upwards edges up or end costal fovea groove (7) width increases; Perhaps end costal fovea groove (7) is degree of broadening end costal fovea groove or degree of deepening end costal fovea groove; Perhaps go to the bottom (6) stretch out Cavity structural member (2) around outside the horizontal projection of sidewall (5), the bottom surface of go to the bottom (6) flushes with the bottom surface of concrete hollow board; Perhaps other position of Cavity structural member (2) is provided with at least one in groove (7), inner corner trim (11), pit (12), hole (13), boss module (14), raised line (15), the external corner (16); Perhaps groove (7), inner corner trim (11), raised line (15) self or be parallel, quadrature, oblique or grade separation setting mutually.

8, according to the described concrete hollow board of arbitrary claim in the claim 1 to 6, the cross sectional shape that it is characterized in that described groove (7) is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-type, stairstepping or semicircle; Perhaps be provided with at least one in stiffening rib (17), bracing boom (18), the reinforcing rib (19) in the enclosed cavity of Cavity structural member (2), perhaps there be in stiffening rib (17), the bracing boom (18) at least one to expose, perhaps stiffening rib (17), bracing boom (18) are gone up and are also had reinforce (10) to expose, and are bonded to integral body with Cast-in-place concrete; Perhaps be provided with light material (20) in the enclosed cavity of Cavity structural member (2); Perhaps at least one in upper plate (4) or the sidewall (5) is dismountable movable part.

9,, it is characterized in that described Cavity structural member (2) is provided with align member (21) according to the described concrete hollow board of arbitrary claim in the claim 1 to 6; Perhaps Cavity structural member (2) is provided with the connector (22) of the location that is connected to each other between the Cavity structural member; Perhaps upper plate (4) is arranged at intervals with more than two on go to the bottom (6) with the basin-shaped component (23) that sidewall (5) is on every side constituted, basin-shaped component (23) constitutes internal-rib die cavity (24) each other, Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib (25) in internal-rib die cavity (24), and links to each other with cast-in-situ reinforced concrete rib (3); Perhaps be provided with a spacer draw piece (26) in the internal-rib die cavity (24).

10,, it is characterized in that connecting and composing assembly in groups by a spacer draw piece (26) between described a plurality of Cavity structural member (2) according to the described concrete hollow board of arbitrary claim in the claim 1 to 6; Perhaps go to the bottom and contain presstressed reinforcing steel (27) or the thin band (28) of prestressing force in (6); Perhaps also be provided with dark beam (29) in the concrete hollow board or/and bright beam (30).