CN101059007B - Cavity component for cast-in-situ concrete formation - Google Patents
Cavity component for cast-in-situ concrete formation Download PDFInfo
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- CN101059007B CN101059007B CN 200610063695 CN200610063695A CN101059007B CN 101059007 B CN101059007 B CN 101059007B CN 200610063695 CN200610063695 CN 200610063695 CN 200610063695 A CN200610063695 A CN 200610063695A CN 101059007 B CN101059007 B CN 101059007B
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- cavity structural
- concrete
- sidewall
- filling
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Abstract
Description
The application for the applying date be that July 29, application number in 2003 are 03143731.1, name is called the dividing an application of application for a patent for invention of " a kind of cavity former component ".
(1) technical field
The present invention relates to a kind of molding hollow component in use for filling in concrete in site.
(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.The patent No. of applying on November 29th, 1999 as the applicant is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent, 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 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, 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, do not add competent structure owing to have in the Cavity structural member, thereby the bulk strength of Cavity structural member and rigidity are relatively poor, are prone to the phenomenon of Cavity structural member breakage, after being applied to cast-in-situ concrete hollow floor, can not participate in the stressed and power transmission of hollow building cover preferably, therefore, develop a kind of novel molding hollow component in use for filling in concrete in site for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of molding hollow component in use for filling in concrete in site, after being applied to cast-in-situ concrete hollow floor, have the mechanical property of improving superstructure, reduce the Cast-in-place concrete rib sectional dimension, reduce reinforcing bar and concrete consumption, reduce superstructure cost, easy construction, intensity and rigidity greatly, not cracky, can participate in the characteristics such as stressed and power transmission of superstructure.
Solution of the present invention is on the basis of existing technology, 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 structural member, it is characterized in that described sidewall and go to the bottom between be provided with at least one groove, in Cavity structural member, be provided with at least one bracing boom, bracing boom is hollow reinforced bar, hollow reinforced bar opening and communication groove.Like this, owing to be provided with groove at sidewall and between going to the bottom, after Cavity structural member is applied to cast-in-situ concrete hollow floor, close rib building roof particularly, the Cast-in-place concrete rib between its Cavity structural member has formed the inverted T-shaped rib, and its shape of cross section has become inverted T-shaped by rectangle, thereby the mechanical property of superstructure is improved greatly, can reduce the sectional dimension of Cast-in-place concrete rib, reduce reinforcing bar and concrete consumption, reduce the superstructure cost; Simultaneously, owing to be provided with bracing boom in the Cavity structural member, thereby the intensity of Cavity structural member and rigidity improves greatly, is not prone to the phenomenon of Cavity structural member breakage, and can participates in the stressed and power transmission of superstructure; In addition, characteristics such as that Cavity structural member also has is simple in structure, intensity is high, resistance to deformation, the anti-vibration performance is good, easy to manufacture, cost is low, easy construction, speed of application are fast, thereby reached purpose of the present invention, the hollow building cover, 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 described many bracing booms constitute rack or truss each other.Like this, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, rack in the Cavity structural member or truss member and Cast-in-place concrete combine, and have constituted three-dimensional net rack or the truss stress system of the cast-in-place and prefabricated superstructure inside that combines, and make the stressed and transmission force property of superstructure better.
Feature of the present invention is that also described bracing boom is compound rod or coupled pole.Like this, the overall performance that can give full play to the compound rod that arranges in the Cavity structural member and coupled pole is good, intensity is high, flexible good, cost low and make simply, characteristics efficiently, improved the combination property of Cavity structural member.
Feature of the present invention is that also described bracing boom stretches out outside the Cavity structural member.Like this, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, the bracing boom extension that its Cavity structural member is outer and Cast-in-place concrete engage and have formed one, realized that no separation layer directly engages, make the interior rod member of Cavity structural member and the bonding between the Cast-in-place concrete and build-in better, solve the low and bad problem of cooperative work performance of bond strength of the combination interface between prefabricated and the Cast-in-place concrete preferably, increased substantially stress performance and the overall performance of superstructure.
Feature of the present invention also is at least two faces of described bracing boom drawknot Cavity structural member.Like this, because the wall of bracing boom drawknot Cavity structural member makes the overall performance of Cavity structural member obtain strengthening significantly, make its cracky not in stacking, transportation, installation, work progress, greatly reduce the breakage rate of Cavity structural member.
Feature of the present invention also be described upper plate, on every side sidewall, go to the bottom, bracing boom at least one in contain reinforce, perhaps have reinforce to expose.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, 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 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 Cavity structural member is applied in the cast-in-situ concrete hollow floor, reinforce and Cast-in-place concrete that it exposes combine, can improve the bond stress between Cast-in-place concrete and the Cavity structural member greatly, optimize the performance of whole hollow building cover, 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 sidewall and go to the bottom between the cell wall of the groove that arranges 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 transition 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.
Feature of the present invention also be described sidewall and go to the bottom between around sidewall, all be set to groove.Like this, when Cavity structural member is applied in the Cast-in-place Concrete Building Floor, Cast-in-place concrete pours in the groove that arranges 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 superstructure greatly, simultaneously, Cavity structural member is firmly wrapped up in and is contained in the Cast-in-place concrete, significantly reduce the generation in crack between Cast-in-place concrete and the prefabricated cavity member, improved the combination property of superstructure.
Feature of the present invention also is the orthogonal groove that is square of described groove.Like this, the orthogonal setting that is square of transition groove, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, Cast-in-place concrete pours in the square 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 superstructure, when making the superstructure 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 polyhedron Cavity structural member is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, circle, multi sphere shape or corrugated.Like this, the variation of polyhedron Cavity structural member shape, make Cavity structural member be applied in the Cast-in-place Concrete Building Floor after, correspondingly formed various difform cast-in-situ concrete structures, thereby make that the structure of cast-in-situ concrete hollow floor is more reasonable, made things convenient for design and construction unit to select for use.
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 Cast-in-place Concrete Building Floor, 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 use needs, expand the range of application of Cavity structural member greatly, be convenient to applying of various occasions.
Feature of the present invention also is described groove one end on going to the bottom, and the other end upwards edges up or recess width increases.Like this, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, 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 superstructure, be specially adapted to make building cover structure 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 described groove is degree of broadening groove or degree of deepening groove.Like this, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, after Cast-in-place concrete pours in the groove of degree of broadening or degree of deepening, form the gradual change width consistent with groove shapes 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 superstructure and the requirement of power transmission compactly.
Feature of the present invention also be described go to the bottom stretch out Cavity structural member around outside the horizontal projection of sidewall.Like this, when Cavity structural member is applied in the Cast-in-place Concrete Building Floor, the part of stretching out Cavity structural member of going to the bottom can replace engineering template to use, reduced the loss of template, reduced the cost of manufacture of superstructure, simultaneously, because having omitted the installation procedure of engineering template, 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 groove, inner corner trim, chamfering, pit, hole, boss module, raised line, the external corner.Like this, after Cavity structural member was applied in the Cast-in-place Concrete Building Floor, Cast-in-place concrete poured 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 arranges on the Cavity structural member, raised line, external corner can be found time the concrete that does not stress in the superstructure, further alleviate the weight of superstructure self, save the consumption of concrete, reduce the cost of superstructure.
Feature of the present invention also is described groove, inner corner trim, chamfering, raised line self or is parallel, quadrature, oblique or grade separation setting mutually.Like this, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, 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 Cast-in-place Concrete Building Floor greatly.
Feature of the present invention is that also described bracing boom is hollow reinforced bar.Like this, when Cavity structural member was applied in the Cast-in-place concrete floor, Cast-in-place concrete poured in the hollow reinforced bar, and the put more energy into rod member superimposed with the common formation of hollow reinforced rib has intensity height, the firm good characteristics of performance.
Feature of the present invention also is described hollow reinforced bar opening and communication groove.Like this, when Cavity structural member is applied in the Cast-in-place concrete floor, the Cast-in-place concrete spare that Cast-in-place concrete pours in open hollow bracing boom and the coupled logical groove is integrally formed as the integral cast-in-situ stiffener, has improved the force structure of floor inside greatly, makes the load system of floor more reasonable.
Feature of the present invention is that also described hollow reinforced bar is communicated with the horizontal hole in the Cavity structural member.Like this, when Cavity structural member was applied in the Cast-in-place concrete floor, Cast-in-place concrete poured into hollow reinforced bar and reaches in the horizontal hole that is connected with hollow stem, has formed the iterative structure stiffener in Cavity structural member, reduce the difficulty of construction of floor significantly, improved efficiency of construction.
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, the reinforcing rib, perhaps has stiffening rib to expose outside the Cavity structural member, and perhaps also exposing on the stiffening rib has reinforce.Like this, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, stiffening rib, bracing boom, the reinforcing rib that arranges 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 the inner stress system of Cast-in-place Concrete Building Floor.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 superstructure 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, also make Cavity structural member have better sound insulation, heat insulation, heat-insulating property; Light material can be foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or haydite concrete etc., 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 is that also in described upper plate or the sidewall at least one is for dismountable movable part.Like this, can make things convenient for the situation that checks Cavity structural member inside at any time, also can perhaps at inner other parts of installing of Cavity structural member, drench shower nozzle etc. as junction box, hydroelectric line, fire-fighting at any time at interior section or whole filling with light material of Cavity structural member simultaneously.
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, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, can accurately locate Cavity structural member, prevent that phenomenons such as Cavity structural member floats, displacement from producing, and can effectively guarantee the pouring quality of superstructure when building concrete.
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, after Cavity structural member was applied in the Cast-in-place Concrete Building Floor, the connector that arranges on the Cavity structural member can be controlled the distance between the Cavity structural member effectively, reliably, width and the height of control Cast-in-place concrete rib, the pouring quality of assurance superstructure internal construction; Simultaneously, also be conducive to Cavity structural member connection location each other, accelerate speed of application.
Feature of the present invention is that also basin-shaped component that described upper plate and sidewall on every side constitute is arranged at intervals with a plurality ofly going to the bottom, and basin-shaped component constitutes the internal-rib die cavity each other.Like this, after Cavity structural member was applied in the Cast-in-place Concrete Building Floor, Cast-in-place concrete entered 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 superstructure; Simultaneously, going to the bottom is provided with a plurality of basin-shaped components, becomes the basin-shaped molds shell component, thereby, improved efficiency of construction and the speed of application of superstructure 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, after Cavity structural member was applied in the Cast-in-place Concrete Building Floor, installation speed was fast, and high efficiency can improve the speed of application of superstructure 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 superstructure, is conducive to accelerate the speed of application of superstructure, 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 presstressed reinforcing steel or the thin band of prestressing force, obtained increasing substantially, make it in each process of using, be difficult for breaking, significantly reduced the breakage rate of Cavity structural member, reduced the cost of Cavity structural member.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is upper plate, and 2 is sidewall, and 3 for going to the bottom, and 4 is groove, and 5 is bracing boom, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, its sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member.
Fig. 2 is the structural representation of the embodiment of the invention 2, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and its bracing boom 5 constitutes rack each other.
Fig. 3 is the structural representation of the embodiment of the invention 3, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and its bracing boom 5 is coupled pole.
Fig. 4 is the structural representation of the embodiment of the invention 4, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its bracing boom 5 has part to stretch out outside the Cavity structural member.
Fig. 5 is the structural representation of the embodiment of the invention 5, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its bracing boom 5 drawknots a plurality of of Cavity structural member.
Fig. 6 is the structural representation of the embodiment of the invention 6, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its upper plate 1, sidewall 2 and go to the bottom and be provided with reinforce 6 simultaneously in 3 on every side, and upper plate 1 and go to the bottom and have reinforce 6 to expose on 3, diagram reinforce 6 is the metal foil band.
Fig. 7 is the structural representation of the embodiment of the invention 7, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its upper plate 1, sidewall 2 and go to the bottom and be provided with reinforce 6 simultaneously in 3 on every side, have reinforce 6 to stretch into and be anchored in the die wall of its groove 4 to go to the bottom in 3, diagram reinforce 6 is fleece and thin band.
Fig. 8 is the structural representation of the embodiment of the invention 8, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, its sidewall 2 and go to the bottom and all be set to groove 4 between 3 around sidewall 2.
Fig. 9 is the structural representation of the embodiment of the invention 9, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5, its groove 4 orthogonal groove settings that are square in the Cavity structural member.
Figure 10 is the structural representation of the embodiment of the invention 10, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, the horizontal profile of its Cavity structural member is shaped as the chamfering polygon.
Figure 11 is the structural representation of the embodiment of the invention 11, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and the cross sectional shape of its groove 4 is U-shaped.
Figure 12 is the structural representation of the embodiment of the invention 12, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its groove 4 one ends are being gone to the bottom on 3, and the other end upwards edges up.
Figure 13 is the structural representation of the embodiment of the invention 13, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and its groove 4 is degree of deepening groove.
Figure 14 is the structural representation of the embodiment of the invention 14, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its go to the bottom 3 stretch out Cavity structural member around outside the horizontal projection of sidewall 2.
Figure 15 is the structural representation of the embodiment of the invention 15, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, also be provided with groove 4, chamfering 8, pit 9, hole 10, boss module 11 and external corner 13 on other position of its Cavity structural member simultaneously.
Figure 16 is the structural representation of the embodiment of the invention 16, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, also be provided with groove 4, inner corner trim 7, chamfering 8 and raised line 12 on other position of its Cavity structural member simultaneously.
Figure 17 is the structural representation of the embodiment of the invention 17, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its bracing boom 5 is hollow reinforced bar, and its hollow hole is communicated with groove 4 on the upper plate 1.
Figure 18 is the structural representation of the embodiment of the invention 18, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, also be provided with stiffening rib 14 and reinforcing rib 15 in the enclosed cavity of its Cavity structural member simultaneously, simultaneously, stiffening rib 14 and bracing boom 5 have part to expose the Cavity structural member outside, simultaneously, also protruding on the stiffening rib 14 that exposes have a reinforce 6, and diagram reinforce 6 is the metal foil band.
Figure 19 is the structural representation of the embodiment of the invention 19, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, all be filled with light material 16 in the enclosed cavity of its Cavity structural member, diagram light material 16 is expanded perlite.
Figure 20 is the structural representation of the embodiment of the invention 20, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and its upper plate 1 is movable dismountable upper plate.
Figure 21 is the structural representation of the embodiment of the invention 21, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its Cavity structural member is provided with a plurality of align members 17, and illustrated position member 17 is for supporting locating piece.
Figure 22 is the structural representation of the embodiment of the invention 22, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its Cavity structural member is provided with a plurality of for the connector 18 that connects the location between the Cavity structural member, and diagram connector 18 is rod member and hole.。
Figure 23 is the structural representation of the embodiment of the invention 23, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its go to the bottom be provided with simultaneously on 3 a plurality of by upper plate 1 and on every side sidewall 2 surround the basin-shaped component 19 that constitutes, a plurality of basin-shaped components 19 have constituted a plurality of internal-rib die cavitys 20 on 3 alternately going to the bottom.
Figure 24 is the structural representation of the embodiment of the invention 24, go to the bottom be provided with simultaneously on 3 a plurality of by upper plate 1 and on every side sidewall 2 surround the basin-shaped component 19 that constitutes, a plurality of basin-shaped components 19 have constituted a plurality of internal-rib die cavitys 20 on 3 alternately going to the bottom, and are provided with a spacer draw piece 21 in its internal-rib die cavity 20.
Figure 25 is the structural representation of the embodiment of the invention 25, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its a plurality of Cavity structural members connect and compose assembly in groups by a spacer draw piece 21.
Figure 26 is the structural representation of the embodiment of the invention 26, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, it is gone to the bottom and is provided with presstressed reinforcing steel 22 and the thin band 23 of prestressing force simultaneously in 3.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise upper plate 1, on every side sidewall 2, go to the bottom 3, upper plate 1, on every side sidewall 2, going to the bottom 3 surrounds the polyhedron Cavity structural member, it is characterized in that described sidewall 2 and go to the bottom being provided with at least one groove 4 between 3, in Cavity structural member, be provided with at least one bracing boom 5, bracing boom 5 is hollow reinforced bar, hollow reinforced bar 5 openings and communication groove 4.Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is upper plate, 2 be around sidewall, 3 for going to the bottom, 4 is groove, 5 is bracing boom, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, its sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member.As Figure 15, Figure 16, shown in Figure 17, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with bracing boom 5 in Cavity structural member, and bracing boom 5 intersects with groove 4.
Feature of the present invention is that also described many bracing booms 5 constitute rack or truss each other.Fig. 2 is the structural representation of the embodiment of the invention 2, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and its bracing boom 5 constitutes rack each other.
Feature of the present invention is that also described bracing boom 5 is compound rod or coupled pole.Fig. 3 is the structural representation of the embodiment of the invention 3, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and its bracing boom 5 is coupled pole.
Feature of the present invention is that also described bracing boom 5 stretches out outside the Cavity structural member.Fig. 4 is the structural representation of the embodiment of the invention 4, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its bracing boom 5 has part to stretch out outside the Cavity structural member.
Feature of the present invention also is at least two faces of described bracing boom 5 drawknot Cavity structural members.Fig. 5 is the structural representation of the embodiment of the invention 5, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its bracing boom 5 drawknots a plurality of of Cavity structural member.
Feature of the present invention also be described upper plate 1, on every side sidewall 2, go to the bottom 3, bracing boom 5 at least one in contain reinforce 6, perhaps have reinforce 6 to expose.Reinforce 6 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.Fig. 6 is the structural representation of the embodiment of the invention 6, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its upper plate 1, sidewall 2 and go to the bottom and be provided with reinforce 6 simultaneously in 3 on every side, and upper plate 1 and go to the bottom and have reinforce 6 to expose on 3, diagram reinforce 6 is the metal foil band.
Feature of the present invention also is described sidewall 2 and the cell wall of the groove 4 that arranges of going to the bottom between 3 has reinforce 6 to stretch into and be anchored to go to the bottom in 3.Fig. 7 is the structural representation of the embodiment of the invention 7, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its upper plate 1, sidewall 2 and go to the bottom and be provided with reinforce 6 simultaneously in 3 on every side, have reinforce 6 to stretch into and be anchored in the die wall of its groove 4 to go to the bottom in 3, diagram reinforce 6 is fleece and thin band.
Feature of the present invention also is described sidewall 2 and goes to the bottom all to be set to groove 4 between 3 around sidewall 2.Fig. 8 is the structural representation of the embodiment of the invention 8, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, its sidewall 2 and go to the bottom and all be set to groove 4 between 3 around sidewall 2.
Feature of the present invention also is the described groove 4 orthogonal grooves that are square.Fig. 9 is the structural representation of the embodiment of the invention 9, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5, its groove 4 orthogonal groove settings that are square in the Cavity structural member.
Feature of the present invention is that also the horizontal profile of described polyhedron Cavity structural member is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, circle, multi sphere shape or corrugated.Figure 10 is the structural representation of the embodiment of the invention 10, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, the horizontal profile of its Cavity structural member is shaped as the chamfering polygon.
Feature of the present invention is also that the cross sectional shape of described groove 4 is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle.Figure 11 is the structural representation of the embodiment of the invention 11, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and the cross sectional shape of its groove 4 is U-shaped.
Feature of the present invention is that also described groove 4 one ends are going to the bottom on 3, and the other end upwards edges up or groove 4 width increase.Figure 12 is the structural representation of the embodiment of the invention 12, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its groove 4 one ends are being gone to the bottom on 3, and the other end upwards edges up.
Feature of the present invention is that also described groove 4 is degree of broadening groove or degree of deepening groove.Figure 13 is the structural representation of the embodiment of the invention 13, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and its groove 4 is degree of deepening groove.
Feature of the present invention also be described go to the bottom 3 stretch out Cavity structural member around outside the horizontal projection of sidewall 2.Figure 14 is the structural representation of the embodiment of the invention 14, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its go to the bottom 3 stretch out Cavity structural member around outside the horizontal projection of sidewall 2.
Feature of the present invention is that also other position of described Cavity structural member is provided with at least one in groove 4, inner corner trim 7, chamfering 8, pit 9, hole 10, boss module 11, raised line 12, the external corner 13.Figure 15 is the structural representation of the embodiment of the invention 15, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, also be provided with groove 4, chamfering 8, pit 9, hole 10, boss module 11 and external corner 13 on other position of its Cavity structural member simultaneously.Figure 16 is the structural representation of the embodiment of the invention 16, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, also be provided with groove 4, inner corner trim 7, chamfering 8 and raised line 12 on other position of its Cavity structural member simultaneously.
Feature of the present invention also is described groove 4, inner corner trim 7, chamfering 8, raised line 12 self or is parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 16, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its groove 4, inner corner trim 7, chamfering 8, raised line 12 self or be parallel, quadrature, oblique or grade separation setting mutually.
Feature of the present invention is that also described bracing boom 5 is hollow reinforced bar.Figure 17 is the structural representation of the embodiment of the invention 17, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its bracing boom 5 is hollow reinforced bar, and its hollow hole is communicated with groove 4 on the upper plate 1.
Feature of the present invention also is described hollow reinforced bar 5 openings and communication groove 4.As shown in figure 17, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5, its hollow reinforced bar 5 openings and communication groove 4 in the Cavity structural member.
Feature of the present invention also is the horizontal hole 10 that described hollow reinforced bar 5 is communicated with in the Cavity structural member.As shown in figure 17, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5, the horizontal hole 10 that its hollow reinforced bar 5 is communicated with in Cavity structural members in the Cavity structural member.
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 14, the reinforcing rib 15, perhaps has stiffening rib 14 to expose outside the Cavity structural member, and perhaps also exposing on the stiffening rib 14 has reinforce 6.Figure 18 is the structural representation of the embodiment of the invention 18, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, also be provided with stiffening rib 14 and reinforcing rib 15 in the enclosed cavity of its Cavity structural member simultaneously, simultaneously, stiffening rib 14 and bracing boom 5 have part to expose the Cavity structural member outside, simultaneously, also protruding on the stiffening rib 14 that exposes have a reinforce 6, and diagram reinforce 6 is the metal foil band.
Feature of the present invention also is to be provided with light material 16 in the enclosed cavity of described Cavity structural member.Figure 19 is the structural representation of the embodiment of the invention 19, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, all be filled with light material 16 in the enclosed cavity of its Cavity structural member, diagram light material 16 is expanded perlite.
Feature of the present invention is that also in described upper plate 1 or the sidewall 2 at least one is for dismountable movable part.Figure 20 is the structural representation of the embodiment of the invention 20, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, and its upper plate 1 is movable dismountable upper plate.
Feature of the present invention is that also described Cavity structural member is provided with align member 17.Figure 21 is the structural representation of the embodiment of the invention 21, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its Cavity structural member is provided with a plurality of align members 17, and illustrated position member 17 is for supporting locating piece.
Feature of the present invention is that also described Cavity structural member is provided with the connector 18 of the location that is connected to each other between the Cavity structural member.Figure 22 is the structural representation of the embodiment of the invention 22, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its Cavity structural member is provided with a plurality of for the connector 18 that connects the location between the Cavity structural member, and diagram connector 18 is rod member and hole.
Feature of the present invention is that also basin-shaped component 19 that described upper plate 1 and sidewall 2 on every side constitute 3 is arranged at intervals with a plurality ofly going to the bottom, and basin-shaped component 19 constitutes internal-rib die cavity 20 each other.Figure 23 is the structural representation of the embodiment of the invention 23, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, be provided with many bracing booms 5 in the Cavity structural member, its go to the bottom be provided with simultaneously on 3 a plurality of by upper plate 1 and on every side sidewall 2 surround the basin-shaped component 19 that constitutes, a plurality of basin-shaped components 19 have constituted a plurality of internal-rib die cavitys 20 on 3 alternately going to the bottom.
Feature of the present invention also is to be provided with in the described internal-rib die cavity 20 a spacer draw piece 21.Figure 24 is the structural representation of the embodiment of the invention 24, go to the bottom be provided with simultaneously on 3 a plurality of by upper plate 1 and on every side sidewall 2 surround the basin-shaped component 19 that constitutes, a plurality of basin-shaped components 19 have constituted a plurality of internal-rib die cavitys 20 on 3 alternately going to the bottom, and are provided with a spacer draw piece 21 in its internal-rib die cavity 20.
Feature of the present invention also is to connect and compose assembly in groups by a spacer draw piece 21 between described a plurality of Cavity structural member.Figure 25 is the structural representation of the embodiment of the invention 25, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, its a plurality of Cavity structural members connect and compose assembly in groups by a spacer draw piece 21.
Feature of the present invention is that also described going to the bottom contain presstressed reinforcing steel 22 or the thin band 23 of prestressing force in 3.Figure 26 is the structural representation of the embodiment of the invention 26, upper plate 1, sidewall 2 and go to the bottom and 3 surround the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3 is provided with many bracing booms 5 in the Cavity structural member, it is gone to the bottom and is provided with presstressed reinforcing steel 22 and the thin band 23 of prestressing force simultaneously in 3.
During the invention process, can adopt cement gel ramming material and fiberglass gridding cloth or gauze wire cloth, in mould, make one deck cementitious matter one deck grid cloth again the wall with layer structure of the multilayer build-up of one deck cementitious matter have at least one opening edge of bracing boom 5 to the Cavity structural member of central indent, demoulding maintenance namely obtains the Cavity structural member of opening the length of time to regulation, then, in following bottom die, make and go to the bottom 3, its slurry of 3 of going to the bottom can adopt cement mortar or cement concrete, also can place reinforces 5 such as reinforcing bar or gauze wire cloth in 3 going to the bottom, before the 3 slurry setting and hardens of going to the bottom, the open cavity member that makes in advance 3 is bonded to integral body with going to the bottom, the demoulding behind 3 setting and hardens of waiting to go to the bottom, maintenance namely obtains molding hollow component in use for filling in concrete in site after stipulate the length of time.
Claims (30)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610063695 CN101059007B (en) | 2003-07-29 | 2003-07-29 | Cavity component for cast-in-situ concrete formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610063695 CN101059007B (en) | 2003-07-29 | 2003-07-29 | Cavity component for cast-in-situ concrete formation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date | |
|---|---|---|---|---|
| CNB031437311A Division CN1293267C (en) | 2003-07-29 | 2003-07-29 | Cavity structural member for cast-in-place concrete moulding |
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| Publication Number | Publication Date |
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| CN101059007A CN101059007A (en) | 2007-10-24 |
| CN101059007B true CN101059007B (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200610063695 CN101059007B (en) | 2003-07-29 | 2003-07-29 | Cavity component for cast-in-situ concrete formation |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0320941A1 (en) * | 1987-12-15 | 1989-06-21 | Politechnika Warszawska | Rib-and-slab floor |
| CN2216551Y (en) * | 1995-01-10 | 1996-01-03 | 凤麟 | Grillage-composite floor |
| CN2399468Y (en) * | 1999-06-25 | 2000-10-04 | 苗宗福 | Sound-proofing compound floorslab |
| CN2522493Y (en) * | 2002-01-28 | 2002-11-27 | 邱则有 | Board-rib combined steel reinforced concrete hollow floor |
-
2003
- 2003-07-29 CN CN 200610063695 patent/CN101059007B/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0320941A1 (en) * | 1987-12-15 | 1989-06-21 | Politechnika Warszawska | Rib-and-slab floor |
| CN2216551Y (en) * | 1995-01-10 | 1996-01-03 | 凤麟 | Grillage-composite floor |
| CN2399468Y (en) * | 1999-06-25 | 2000-10-04 | 苗宗福 | Sound-proofing compound floorslab |
| CN2522493Y (en) * | 2002-01-28 | 2002-11-27 | 邱则有 | Board-rib combined steel reinforced concrete hollow floor |
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| Publication number | Publication date |
|---|---|
| CN101059007A (en) | 2007-10-24 |
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