CN1804276B - Reinforced concrete hollow slab - Google Patents

Reinforced concrete hollow slab Download PDF

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Publication number
CN1804276B
CN1804276B CN 200510006935 CN200510006935A CN1804276B CN 1804276 B CN1804276 B CN 1804276B CN 200510006935 CN200510006935 CN 200510006935 CN 200510006935 A CN200510006935 A CN 200510006935A CN 1804276 B CN1804276 B CN 1804276B
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China
Prior art keywords
hollow board
concrete hollow
concrete
cavity structural
cast
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CN 200510006935
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CN1804276A (en
Inventor
邱则有
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Hunan Qiuzeyou Patent Strategy Planning Co Ltd
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邱则有
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Publication of CN1804276B publication Critical patent/CN1804276B/en
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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), and are arranged alternatively, a 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), the 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 arrangedbetween 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 peripheral side walls (5) of thehollow member is provided with a transverse groove (7), the cast-in-situ concrete forms a reinforcement structure (8) in the vertical groove (7). The invention can be applied to cast-in-situ reinforced-bar concrete hollow slabs, storied building covers, house roofings, foundation bedplates 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 reinforcing steel bar concrete hollow slab is to use wider floor structural form, and the lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent as the applicant in the patent No. of application on November 29th, 1999, it discloses a kind of thin-wall mould-shell member, comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity.And for example Shijiazhuang City, Hebei Province city beam army is that ZL00203695.9, name are called " combination concrete hidden rib concrete hollow board plate " utility model patent in the patent No. of application on February 23rd, 2000, a kind of shuttering member is disclosed in its manual, it can be solid, also can be hollow, its profile can be made shapes such as rectangle, circle, polygon according to designing requirement.And for example the Yu Shaohua of Tianjin is that ZL93206310.1, name are called " shuttering member " utility model patent in the patent No. of application on March 20th, 1993, it also discloses a kind of thin-wall mould-shell member, it makes totally-enclosed empty stomach polyhedral structure with the sidewall and the upper and lower end, establish ribs in the die housing, and adopt GRC or magnesium chloride GRC or do not have the manufacturing of sand ﹠ ceramsite cement.The applicant is 01140106.0 in the application number of application on November 23 calendar year 2001 for another example, publication number is CN1356442, name is called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention, its disclosed mould with cavity structure, comprise " upper plate; sidewall on every side; go to the bottom; upper plate; sidewall on every side; going to the bottom surrounds the polyhedron Cavity 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 steel reinforcement concrete hollow plate, 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 the hollow steel bar concrete hollow board, formed Cast-in-place concrete rib is the Cast-in-place concrete rib of rectangle between the Cavity structural member, 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 concrete hollow board, 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 characteristics such as mechanical property is good, sectional dimension, minimizing reinforcing bar and the concrete consumption of minimizing Cast-in-place concrete rib, reduction 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 around 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 in end costal fovea groove location, the cast-in-situ reinforced concrete rib of corresponding site with add competent structure and formed the inverted T shape rib jointly, sidewall is provided with at least one vertical groove around at least one of Cavity structural member, and Cast-in-place concrete has formed in vertical groove and added competent structure.Like this, since around sidewall and go to the bottom between be provided with groove, 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, easy construction; Simultaneously, because sidewall is provided with at least one vertical groove around the Cavity structural member, concrete can form the Cast-in-place concrete pier between the Cavity structural member in groove, the reinforcing rib of post or Cast-in-place concrete rib, particularly when Cavity structural member is close to arrangement in concrete hollow board, in vertical groove, vertical pier or post have then been formed, in end costal fovea groove, then formed the Cast-in-place concrete rib, the consumption of reinforcing bar and concrete further reduces, the corresponding shearing pier formula hollowcore slab that formed of concrete hollow board, thereby the mechanical property of concrete hollow board further improves, thereby reached purpose of the present invention, be applicable to the hollowcore slab of cast-in-situ reinforced concrete or prestressed reinforced concrete, superstructure, roof system, body of wall, sole plate and hollow bridges are used, and are particularly useful for hollow arch without beam and use.
Feature of the present invention also is to have on the sidewall around at least one of described Cavity structural member at least one vertical groove that runs through upper surface and end costal fovea groove.Like this, Cast-in-place concrete pours in the vertical groove that runs through upper surface and end costal fovea groove, has formed the vertical reinforcement of Cast-in-place concrete on cast-in-place dark rib, has improved the strength and stiffness of cast-in-situ reinforced concrete rib, has improved the combination property of concrete hollow board greatly.
Feature of the present invention also be described Cavity structural member around at least one vertical groove that runs through upper and lower surface is arranged on the sidewall.Like this, Cast-in-place concrete pours in the vertical groove, has formed the vertical reinforcement of Cast-in-place concrete on cast-in-place dark rib, has improved the strength and stiffness of cast-in-situ reinforced concrete rib, has improved the combination property of concrete hollow board 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 is that also described sidewall on every side is provided with oblique groove.Like this, Cast-in-place concrete pours in the above-mentioned oblique groove, correspondingly on the cast-in-situ reinforced concrete rib has formed oblique Cast-in-place concrete reinforcement, has increased substantially the intensity of cast-in-situ reinforced concrete rib, strengthened the supporting capacity of concrete hollow board, made the force structure of concrete hollow board more reasonable.
Feature of the present invention also is the upper plate of described Cavity structural member, sidewall or go to the bottom and be provided with transverse concave groove on every side.Like this, concrete enters upper plate, on every side in sidewall or the transverse concave groove that go up to be provided with of going to the bottom, and the corresponding Cast-in-place concrete stiffener that formed has been done comprehensive reinforcement to the force part of concrete hollow intralamellar part, has improved the combination property of concrete hollow board greatly.
Feature of the present invention also is vertical groove of many of described Cavity structural member and transverse concave groove UNICOM each other.Like this, Cast-in-place concrete pours in the groove of above-mentioned mutual UNICOM, has formed cast-in-place mutual interconnection on the weak part and be whole stiffener in concrete hollow board, has improved the overall performance of concrete hollow board greatly.
Feature of the present invention is that also the corner of described Cavity structural member is a groove.Like this, Cast-in-place concrete pours in the groove of the corner's setting on the Cavity structural member, has formed the reinforced pier rod structure of cast-in-situ reinforced concrete rib, has improved the load-carrying construction of concrete hollow board comprehensively, 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 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, the reinforce and the Cast-in-place concrete that expose combine, and can improve the bond stress between Cast-in-place concrete and the Cavity structural member greatly, optimize the performance of whole concrete hollow board; Simultaneously, expose reinforce and also make things convenient for Cavity structural member when carrying, make handle or suspension ring or suspension hook and use.
Feature of the present invention also be described around sidewall with go to the bottom between the cell wall of end costal fovea groove of setting 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, the cell wall of groove and the bonding strength of going to the bottom have been improved greatly, can guarantee effectively that Cavity structural member is in transportation, installation, work progress, the cell wall of transition groove and go to the bottom between do not ftracture, loosening, do not come off, reduced the breakage rate of Cavity structural member significantly, the construction cost of corresponding reduction concrete hollow board.
Feature of the present invention also be described around sidewall with go to the bottom between along around sidewall all be set to all around end costal fovea groove.Like this, Cast-in-place concrete pours in the groove that sidewall is provided with all around on every side, cast-in-situ reinforced 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, has significantly reduced the generation in crack between Cast-in-place concrete and the prefabricated cavity member, has improved 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, in the Cast-in-place concrete side of the pouring into annular groove, cast-in-situ reinforced 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, chamfering polygon or circle.Like this, the variation of Cavity structural member 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 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 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-situ reinforced 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 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 has reduced the loss of template, reduced the cost of manufacture of concrete hollow board, simultaneously, because of having omitted the installation procedure of construction formwork, increase substantially speed of application, reduced construction cost.
Feature of the present invention is that also other position of described Cavity structural member is provided with 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 structural member, 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 structural member 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-arrangement, stairstepping or semicircle.Like this, after Cavity structural member is applied in the concrete hollow board, 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, expand the range of application of Cavity structural member 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 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., and the diversity of its light material kind is drawn materials when being convenient to produce nearby, reduces production costs.
Feature of the present invention also be described upper plate or on every side at least one in the sidewall be 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-situ reinforced 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.
Feature of the present invention is that also described upper plate and the basin-shaped component that sidewall constituted are arranged at intervals with a plurality of 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, has improved 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, 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 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.
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, has made 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 be embodiment of the invention cavity member 2 structural representation 24.
Figure 29 be embodiment of the invention cavity member 2 structural representation 25.
Figure 30 be embodiment of the invention cavity member 2 structural representation 26.
Figure 31 be embodiment of the invention cavity member 2 structural representation 27.
Figure 32 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 on every side and go to the bottom being provided with at least one end costal fovea groove 7a between 6, what Cast-in-place concrete had formed concrete hollow board at costal fovea groove 7a position, the end 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, sidewall 5 is provided with at least one vertical groove 7b around at least one of Cavity structural member, and Cast-in-place concrete has formed in vertical groove 7b 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 groove, 8 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 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 7a between 6 on every side, what Cast-in-place concrete had formed concrete hollow board at costal fovea groove 7a position, the end 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, also be provided with vertical groove 7b simultaneously on the sidewall 5 around the Cavity structural member, Cast-in-place concrete has formed in vertical groove 7b 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 also is to have on the sidewall 5 around at least one of described Cavity structural member 2 at least one vertical groove 7b that runs through upper surface and end costal fovea groove 7a.As shown in Figure 6, its described Cavity structural member 2 has the vertical groove 7b that runs through upper surface and end costal fovea groove 7a on the sidewall 5 on every side.
Feature of the present invention also be described Cavity structural member 2 around at least one vertical groove 7b that runs through upper and lower surface is arranged on the sidewall 5.As shown in Figure 6, its described Cavity structural member 2 around at least one vertical groove 7b that runs through upper and lower surface is arranged on the sidewall 5.
Feature of the present invention is also that described vertical groove 7b is parallel to each other, oblique or extended line oblique.As shown in Figure 7, the mutual oblique of its described vertical groove 7b, as shown in figure 12, its described vertical groove 7b is parallel to each other.
Feature of the present invention is that also described sidewall 5 on every side is provided with oblique groove 7d.Shown in Fig. 8,9, sidewall 5 was provided with oblique groove 7d around it was described.
Feature of the present invention also is the upper plate 4 of described Cavity structural member 2, sidewall 5 or go to the bottom and 6 be provided with transverse concave groove 7c on every side.As shown in figure 10, the upper plate 4 of its described Cavity structural member 2, sidewall 5 and go to the bottom and 6 be provided with transverse concave groove 7c on every side.
Feature of the present invention also is vertical groove 7b of many of described Cavity structural member and transverse concave groove 7c UNICOM each other.As shown in figure 11, many of its described Cavity structural member vertical groove 7b and transverse concave groove 7c UNICOM each other.
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 9, perhaps have reinforce 9 to expose, and be bonded to integral body with Cast-in-place concrete.As shown in figure 13, its described upper plate 4, on every side sidewall 5, go to the bottom and contain reinforce 9 in 6, have reinforce 9 to expose simultaneously, and be bonded to integral body with Cast-in-place concrete.
Feature of the present invention also be described around the cell wall of sidewall 5 and the end costal fovea groove 7a of the setting of going to the bottom between 6 have reinforce 9 to stretch into and be anchored to go to the bottom in 6.As shown in figure 14, its described around the cell wall of sidewall 5 and the end costal fovea groove 7a of the setting of going to the bottom between 6 have reinforce 9 to stretch into and be anchored to go to the bottom in 6.
Feature of the present invention also be described around sidewall 5 with go to the bottom between 6 along around sidewall 5 all be set to end costal fovea groove 7a all around.As shown in figure 15, its described around sidewall 5 with go to the bottom between 6 along around sidewall 5 all be set to end costal fovea groove 7a all around.
Feature of the present invention also is the orthogonal end costal fovea groove that is square of described end costal fovea groove 7a.As shown in figure 16, the orthogonal end costal fovea groove that is square of its described end costal fovea groove 7a.
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, chamfering polygon or circle.As shown in figure 17, the horizontal profile of its described Cavity structural member 2 is shaped as the chamfering polygon.
The end that feature of the present invention also is described end costal fovea groove 7a is being gone to the bottom on 6, and the other end upwards edges up or costal fovea groove 7a width in the end increases.As shown in figure 18, the end of its described end costal fovea groove 7a is being gone to the bottom on 6, and the other end edges up upwards simultaneously that costal fovea groove 7a width in the end increases.
Feature of the present invention is that also described end costal fovea groove 7a is degree of broadening end costal fovea groove or degree of deepening end costal fovea groove.As shown in figure 19, its described end costal fovea groove 7a is degree of the broadening end costal fovea groove of degree of deepening simultaneously.
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 20, 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 inner corner trim 10, chamfering 11, pit 12, hole 13, boss module 14, raised line 15, the external corner 16.As shown in figure 21, other position of its described Cavity structural member 2 is provided with chamfering 11, pit 12, hole 13, boss module 14, external corner 16, and as shown in figure 22, other position of its described Cavity structural member 2 is provided with inner corner trim 10, chamfering 11, raised line 15.
Feature of the present invention also is on the Cavity structural member 2 inner corner trims 10 that are provided with, chamfering 11, raised line 15 self or is parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 22,2 inner corner trim 10, chamfering 11, the raised lines 15 that are provided with are parallel, quadrature setting mutually on its described Cavity structural member.
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-arrangement, stairstepping or semicircle.As shown in figure 23, the cross sectional shape of its described groove 7 is a stairstepping.
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 9 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 24, be provided with stiffening rib 17, bracing boom 18 and reinforcing rib 19 in the enclosed cavity of its described Cavity structural member 2, stiffening rib 17 and bracing boom 18 expose simultaneously, and also have reinforce 9 to expose on the stiffening rib 17, and are 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 25, be provided with light material 20 in the enclosed cavity of its described Cavity structural member 2.
Feature of the present invention also be described upper plate 4 or on every side at least one in the sidewall 5 be dismountable movable part.As shown in figure 26, its described around one sidewall 5 be 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 27, 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 28, 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 also be basin-shaped component 23 that described upper plate 4 and sidewall 5 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.Shown in Figure 29,33, 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 30, 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 31, 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.Shown in figure 32, 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 Cavity structural member 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 (33)

1. 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) on every side and go to the bottom being provided with at least one end costal fovea groove (7a) between (6), what Cast-in-place concrete had formed concrete hollow board at costal fovea groove (7a) position, the end 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, sidewall (5) is provided with at least one vertical groove (7b) around at least one of Cavity structural member, and Cast-in-place concrete has formed in vertical groove (7b) and added competent structure (8).
2. concrete hollow board according to claim 1 is characterized in that having on the sidewall (5) around at least one of described Cavity structural member (2) at least one vertical groove (7b) that runs through upper surface and end costal fovea groove (7a).
3. concrete hollow board according to claim 1, it is characterized in that described Cavity structural member (2) around at least one vertical groove (7b) that runs through upper and lower surface is arranged on the sidewall (5).
4. concrete hollow board according to claim 1 is characterized in that described vertical groove (7b) is parallel to each other, oblique or extended line oblique.
5. concrete hollow board according to claim 1 is characterized in that described sidewall (5) on every side is provided with oblique groove (7d).
6. concrete hollow board according to claim 1 is characterized in that the upper plate (4) of described Cavity structural member (2), sidewall (5) or go to the bottom (6) are provided with transverse concave groove (7c) on every side.
7. concrete hollow board according to claim 6, many vertical grooves (7b) that it is characterized in that described Cavity structural member and transverse concave groove (7c) be UNICOM each other.
8. concrete hollow board according to claim 1 is characterized in that described upper plate (4), contains reinforce (9) at least one of sidewall (5), go to the bottom (6) on every side.
9. concrete hollow board according to claim 1 is characterized in that upper plate (4), at least one of sidewall (5), go to the bottom (6) has reinforce (9) to expose on every side, and the reinforce that exposes (9) is bonded to integral body with Cast-in-place concrete.
10. concrete hollow board according to claim 8, it is characterized in that described around the cell wall of sidewall (5) and the end costal fovea groove (7a) of the setting of going to the bottom between (6) have reinforce (9) to stretch into and be anchored to go to the bottom in (6).
11. concrete hollow board according to claim 1, it is characterized in that described around sidewall (5) with go to the bottom between (6) along around sidewall (5) all be set to end costal fovea groove (7a) all around.
12. concrete hollow board according to claim 11 is characterized in that the orthogonal end costal fovea groove that is square of described end costal fovea groove (7a).
13., it is characterized in that the horizontal profile of described Cavity structural member (2) is shaped as polygon or circle according to the described concrete hollow board of arbitrary claim in the claim 1 to 12.
14., it is characterized in that the horizontal profile of described Cavity structural member (2) is shaped as rectangle or square according to the described concrete hollow board of arbitrary claim in the claim 1 to 12.
15., it is characterized in that the horizontal profile of described Cavity structural member (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 12.
16. according to the described concrete hollow board of arbitrary claim in the claim 1 to 12, an end that it is characterized in that described end costal fovea groove (7a) is on go to the bottom (6), the other end upwards edges up or end costal fovea groove (7a) width increases.
17., it is characterized in that described end costal fovea groove (7a) is degree of broadening end costal fovea groove or degree of deepening end costal fovea groove according to the described concrete hollow board of arbitrary claim in the claim 1 to 12.
18. according to the described concrete hollow board of arbitrary claim in the claim 1 to 12, it is characterized in that described going 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.
19. according to the described concrete hollow board of arbitrary claim in the claim 1 to 12, other position that it is characterized in that described Cavity structural member (2) is provided with at least one in inner corner trim (10), chamfering (11), pit (12), hole (13), boss module (14), raised line (15), the external corner (16).
20. concrete hollow board according to claim 19 is characterized in that inner corner trim (10), chamfering (11), the raised line (15) self that described Cavity structural member (2) upward is provided with or is parallel mutually or quadrature or oblique or grade separation setting.
21. according to the described concrete hollow board of arbitrary claim in the claim 1 to 12, 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-arrangement, stairstepping or semicircle.
22., it is characterized in that being 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) according to the described concrete hollow board of arbitrary claim in the claim 1 to 12.
23. at least one in the concrete hollow board according to claim 22, it is characterized in that stiffening rib is arranged (17), bracing boom (18) exposed Cavity structural member (2).
24. concrete hollow board according to claim 23, reinforce (9) exposes to it is characterized in that going up stiffening rib (17), bracing boom (18) in addition, and the reinforce that exposes (9) is bonded to integral body with Cast-in-place concrete.
25., it is characterized in that being provided with light material (20) in the enclosed cavity of described Cavity structural member (2) according to the described concrete hollow board of arbitrary claim in the claim 1 to 12.
26. according to the described concrete hollow board of arbitrary claim in the claim 1 to 12, it is characterized in that described upper plate (4) or on every side at least one in the sidewall (5) be dismountable movable part.
27., 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 12.
28., it is characterized in that 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 according to the described concrete hollow board of arbitrary claim in the claim 1 to 12.
29. according to the described concrete hollow board of arbitrary claim in the claim 1 to 12, it is characterized in that the basin-shaped component (23) that described upper plate (4) and sidewall (5) are on every side constituted is arranged at intervals with a plurality of on go to the bottom (6), 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).
30. concrete hollow board according to claim 29 is characterized in that being provided with in the described internal-rib die cavity (24) a spacer draw piece (26).
31., it is characterized in that connecting and composing assembly in groups by a spacer draw piece (26) between a plurality of Cavity structural members (2) according to the described concrete hollow board of arbitrary claim in the claim 1 to 12.
32., it is characterized in that containing in described the going to the bottom (6) the thin band (28) of presstressed reinforcing steel (27) or prestressing force according to the described concrete hollow board of arbitrary claim in the claim 1 to 12.
33., 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 12.
CN 200510006935 2005-01-12 2005-01-12 Reinforced concrete hollow slab Expired - Fee Related CN1804276B (en)

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CN 200510006935 CN1804276B (en) 2005-01-12 2005-01-12 Reinforced concrete hollow slab

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CN 200510006935 CN1804276B (en) 2005-01-12 2005-01-12 Reinforced concrete hollow slab

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CN1804276B true CN1804276B (en) 2010-04-28

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318431C2 (en) * 1983-05-20 1985-12-12 Bernhard 7613 Hausach De Kuenstle
CN2417223Y (en) * 2000-03-23 2001-01-31 梁军 Floor structure cast in situ with reinforcement inside
CN1529008A (en) * 2003-10-01 2004-09-15 邱则有 Shuttering member

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318431C2 (en) * 1983-05-20 1985-12-12 Bernhard 7613 Hausach De Kuenstle
CN2417223Y (en) * 2000-03-23 2001-01-31 梁军 Floor structure cast in situ with reinforcement inside
CN1529008A (en) * 2003-10-01 2004-09-15 邱则有 Shuttering member

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