CN1260443C - Cavity structural member for cast-in-place concrete formation - Google Patents
Cavity structural member for cast-in-place concrete formation Download PDFInfo
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- CN1260443C CN1260443C CN 03133290 CN03133290A CN1260443C CN 1260443 C CN1260443 C CN 1260443C CN 03133290 CN03133290 CN 03133290 CN 03133290 A CN03133290 A CN 03133290A CN 1260443 C CN1260443 C CN 1260443C
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Abstract
The present invention relates to a cavity member for shaping cast-in-place concrete, which comprises an upper slab (1), surrounding side walls (2) and a lower bottom (3), wherein the polyhedral cavity member is formed by the enclosure of the upper slab (1), the surrounding side walls (2) and the lower bottom (3). The present invention is characterized in that at least one groove (4) is arranged among the side walls (2) and the lower bottom (3); at least one prestressed rib (5) is clamped in the lower bottom (3). In this way, after the cavity member is used in a cast-in-place concrete hollow floor, a cast-in-place concrete rib between two cavity members forms a shape of an inverted T, and the mechanical property of the floor is greatly improved. Simultaneously, because at least one prestressed rib is clamped in the bottom slab, the cavity member has higher strength and rigidity and better shock resistance; correspondingly, the floor has better crack resistance, has little possibility of generating cracks and does not influence the appearance quality of a floor ceiling. The present invention is suitable for hollow floors, roofs, wall bodies, foundation bottom slabs and hollow bridges, which are made of cast-in-place reinforced concrete or prestressed reinforced concrete.
Description
(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.Is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent as the applicant in the patent No. of application on November 29th, 1999, it discloses a kind of thin-wall mould-shell member, comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity.And for example Shijiazhuang City, Hebei Province city beam army is that ZL00203695.9, name are called " combination concrete hidden rib floor structure " utility model patent in the patent No. of application on February 23rd, 2000, a kind of shuttering member is disclosed in its manual, it can be solid, also can be hollow, its profile can be made shapes such as rectangle, circle, polygon according to designing requirement.And for example the Yu Shaohua of Tianjin is that ZL93206310.1, name are called " shuttering member " utility model patent in the patent No. of application on March 20th, 1993, it also discloses a kind of thin-wall mould-shell member, it makes totally-enclosed empty stomach polyhedral structure with the sidewall and the upper and lower end, establish ribs in the die housing, and adopt GRC or magnesium chloride GRC or do not have the manufacturing of sand ﹠ ceramsite cement.The applicant is 01140106.0 in the application number of application on November 23 calendar year 2001 for another example, publication number is CN1356442, name is called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention, its disclosed mould with cavity structure, comprise " upper plate; sidewall on every side; go to the bottom; upper plate; sidewall on every side; going to the bottom surrounds the polyhedron Cavity structural member, this Cavity structural member has in light weight, the intensity height, simple in structure, characteristics such as convenient construction and transport, simultaneously, when reality is used, going to the bottom, it is stressed to participate in, and can hang the greater weight object and in-situ deposited prefabricated bonding surface does not ftracture, in addition, this kind polyhedron Cavity structural member, in order to prevent effectively and to disperse the stress between formwork and the Cast-in-place concrete to concentrate, eliminate straight slit, make go to the bottom and Cast-in-place concrete between bonding better, improve overall performance, its peripheral side of going to the bottom can be made interior puncture dihedral, back taper, waveform, serrated-surface.Above-mentioned disclosed these Cavity structural members are applied in the close rib building roof, be shuttering member be again prefabricated noggin piece, have simple in structure, characteristics such as intensity is high, resistance to deformation, the anti-vibration performance is good, easy to manufacture, cost is low.But after being applied to hollow building cover, formed Cast-in-place concrete rib is the Cast-in-place concrete rib of rectangle between the Cavity structural member, 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, this Cavity structural member in carrying, construction and long-term use, phenomenons such as its structure base plate is prone to and fractures, cracking, thereby the breakage rate of Cavity structural member is big, carrying, construction inconvenience have increased construction cost, in addition, use the back if crack, then influence the presentation quality of superstructure ceiling.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, have the mechanical property of improving superstructure, the sectional dimension that reduces the Cast-in-place concrete rib, minimizing reinforcing bar and concrete consumption, reduce characteristics such as superstructure cost, intensity height, non-frangibility cracking, easy construction.
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 going to the bottom, accompany at least one presstressed reinforcing steel, sidewall and go to the bottom between around sidewall, all be set to 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, Cast-in-place concrete rib between its 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 superstructure improves greatly, can reduce the sectional dimension of Cast-in-place concrete rib, reduce reinforcing bar and concrete consumption, reduce the superstructure cost, simultaneously, owing in base plate, accompany at least one presstressed reinforcing steel, sidewall and go to the bottom between around sidewall, all be set to groove, thereby the intensity of Cavity structural member and rigidity are bigger, and shock resistance is better, and its structure base plate is frangibility more not, carrying is more convenient with construction, corresponding superstructure crack resistance is better, is difficult for cracking, and does not influence the presentation quality of superstructure ceiling; Cast-in-place concrete pours in the end costal fovea groove that is provided with around the sidewall, Cast-in-place concrete rib between the Cavity structural member has all formed the inverted T-shaped rib, improved the mechanical property of 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; In addition, characteristics such as that Cavity structural member also has is simple in structure, 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 presstressed reinforcing steel is prestressed reinforcement or compressor wire or steel strand.Like this, presstressed reinforcing steel is prestressed reinforcement or compressor wire or steel strand, has the advantages that intensity is big, stretch-draw is convenient, simple, fast, and simultaneously, material source is extensive, draws materials nearby when being convenient to make, and can effectively reduce its cost of manufacture.
Feature of the present invention is that also described presstressed reinforcing steel is parallel, quadrature, oblique setting.Like this, the multiple set-up mode of presstressed reinforcing steel, Cavity structural member that can the various different structure performances of corresponding formation is used to satisfy the superstructure that various different designs require.
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.Reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, strap, the braid over braid.Like this, upper plate, on every side sidewall or go to the bottom in contain above-mentioned reinforce, upper plate, the sidewall and the strength and stiffness of going to the bottom have on every side been improved greatly, make Cavity structural member cracky not in stacking, transportation, installation, work progress, even the breakage of small size is arranged, because of the connection of reinforce is arranged, need not repair yet, can continue to come into operation.If also have reinforce to expose the Cavity structural member outside on the Cavity structural member, when 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 is provided with have reinforce to stretch into and be anchored at go to the bottom in.Like this, in having reinforce to stretch into and be anchored in the cell wall to go to the bottom, thereby, 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 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 is the orthogonal groove that is square of described groove.Like this, the orthogonal setting that is square of end costal fovea 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 or circle.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 that also described polygon is arc angle polygon or chamfering polygon.
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 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 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 end costal fovea groove, corresponding formed gradually to rise increase or the cast-in-situ concrete structure of broadening gradually, can satisfy local the reinforcement done in different force parts in the 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 end costal fovea groove of degree of broadening or degree of deepening, formed the gradual change width consistent or the Cast-in-place concrete ribs of degree of uprising, can very conveniently satisfy the Structure Conversion of various different force parts in the superstructure 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.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 of 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 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 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 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 has in stiffening rib, the bracing boom at least one to expose, and perhaps also has reinforce to expose on stiffening rib, the bracing boom.Like this, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, 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 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 of checking Cavity structural member inside at any time, also can perhaps, drench shower nozzle etc. simultaneously at any time at interior section or whole filling with light material of Cavity structural member 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, after Cavity structural member is applied in the Cast-in-place Concrete Building Floor, can accurately locate, prevent that phenomenons such as Cavity structural member floats, displacement from producing, and can effectively guarantee the pouring quality of superstructure 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, after Cavity structural member was applied in the Cast-in-place Concrete Building Floor, the connector that is provided with on the Cavity structural member can be controlled the distance between the Cavity structural member effectively, reliably, the width and the height of control Cast-in-place concrete rib, the pouring quality of assurance superstructure 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 on every side on going to the bottom a plurality of, 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 the 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.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, helps accelerating 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 the thin band of prestressing force.Like this, be provided with the intensity of the base plate of 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, 2 be around sidewall, 3 for going to the bottom, 4 is groove, 5 is presstressed reinforcing steel, 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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, it is gone to the bottom and is provided with many presstressed reinforcing steels 5 in 3.
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 and constitute the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its presstressed reinforcing steel 5 is steel strand.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, upper plate 1 and be provided with reinforce 6 in the sidewall 2 on every side on it, simultaneously, have reinforce 6 to expose on the Cavity structural member, diagram reinforce 6 is the metal foil band.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, upper plate 1 on it, be provided with fiber mesh cloth reinforce 6 in the sidewall 2 on every side, have metal foil band reinforce 6 to stretch into and be anchored in the cell wall of groove 4 to go to the bottom in 3.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, its sidewall 2 and go to the bottom and all be set to groove 4 between 3 around sidewall 2.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, its groove 4 quadrature squarely groove that communicates with each other.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and the horizontal profile of its Cavity structural member is shaped as the arc angle quadrangle.
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 and constitute the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and the cross sectional shape of its groove 4 is a stairstepping.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, one end of its groove 4 is being gone to the bottom on 3, and the other end upwards edges up.
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 and constitute the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its groove 4 is degree of deepening groove.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, its go to the bottom 3 stretch out Cavity structural member around outside the horizontal projection of sidewall 2.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, also is 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 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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, also is provided with groove 4, inner corner trim 7, chamfering 8 and raised line 12 on other position of its Cavity structural member simultaneously.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, also be provided with stiffening rib 14, bracing boom 15 and reinforcing rib 16 in the enclosed cavity of its Cavity structural member simultaneously, stiffening rib 14 and bracing boom 15 have part to be exposed to the Cavity structural member outside, and also protruding on the stiffening rib 14 that exposes have a metal foil band reinforce 6.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, all be filled with light material 17 in the enclosed cavity of its Cavity structural member, diagram light material 17 is an expanded perlite.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its upper plate 1 is movable dismountable movable cover plate that fastens.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, be provided with a plurality of align members 18 on its Cavity structural member simultaneously, illustrated position member 18 is for supporting location spike piece.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, its Cavity structural member is provided with a plurality of connectors 19 that Cavity structural member is connected to each other and locatees that are used for, and diagram connector 19 is rod member and hole.
Figure 19 is the structural representation of the embodiment of the invention 19, 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 20 that constitutes, basin-shaped component 20 is spaced on 3 going to the bottom, and constitutes a plurality of internal-rib die cavitys 21.
Figure 20 is the structural representation of the embodiment of the invention 20, 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 20 that constitutes, basin-shaped component 20 is spaced on 3 going to the bottom, and constitutes a plurality of internal-rib die cavitys 21, is provided with a spacer draw piece 22 in its internal-rib die cavity 21.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its a plurality of Cavity structural members have constituted assembly in groups under a connection of spacer draw piece 22.
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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and it is gone to the bottom and also is provided with 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, accompany at least one presstressed reinforcing steel 5 in 3 going to the bottom, sidewall 2 and go to the bottom and around sidewall 2, all be set to groove 4 between 3.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 presstressed reinforcing steel, 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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, it is gone to the bottom and is provided with many presstressed reinforcing steels 5 in 3.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, its sidewall 2 and go to the bottom and all be set to groove 4 between 3 around sidewall 2.
The present invention is that also described presstressed reinforcing steel 5 is prestressed reinforcement or compressor wire or steel strand.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 and constitute the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its presstressed reinforcing steel 5 is steel strand.
The present invention is that also described presstressed reinforcing steel 5 is parallel, quadrature, oblique setting.As shown in Figure 2, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its presstressed reinforcing steel 5 is set in parallel.
The present invention also be described upper plate 1, on every side sidewall 2, go to the bottom 3 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. 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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, upper plate 1 and be provided with reinforce 6 in the sidewall 2 on every side on it, simultaneously, have reinforce 6 to expose on the Cavity structural member, diagram reinforce 6 is the metal foil band.
The present invention also is described sidewall 1 and the cell wall of the groove 4 that is provided with of going to the bottom between 3 has reinforce 6 to stretch into and be anchored to go to the bottom in 3.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, upper plate 1 on it, be provided with fiber mesh cloth reinforce 6 in the sidewall 2 on every side, have metal foil band reinforce 6 to stretch into and be anchored in the cell wall of groove 4 to go to the bottom in 3.
The present invention also is the described groove 4 orthogonal grooves that are square.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, its groove 4 quadrature squarely groove that communicates with each other.
The present invention is that also the horizontal profile of described polyhedron Cavity structural member is shaped as rectangle, square, polygon or circle.
The present invention is that also described polygon is arc angle polygon or chamfering polygon.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and the horizontal profile of its Cavity structural member is shaped as the arc angle quadrangle.
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.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 and constitute the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and the cross sectional shape of its groove 4 is a stairstepping.
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.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, one end of its groove 4 is being gone to the bottom on 3, and the other end upwards edges up.
The present invention is that also described groove 4 is degree of broadening groove or degree of deepening groove.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 and constitute the polyhedron Cavity structural member on every side, and sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its groove 4 is degree of deepening groove.
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 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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, its go to the bottom 3 stretch out Cavity structural member around outside the horizontal projection of sidewall 2.
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 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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, also is 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 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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, also is provided with groove 4, inner corner trim 7, chamfering 8 and raised line 12 on other position of its Cavity structural member simultaneously.
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 13, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, its groove 4, inner corner trim 7, chamfering (8), raised line 12 self or be parallel, quadrature mutually or the grade separation setting.
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, bracing boom 15, the reinforcing rib 16, perhaps there be in stiffening rib 14, the bracing boom 15 at least one to expose, perhaps also have reinforce 6 to expose on stiffening rib 14, the bracing boom 15.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, also be provided with stiffening rib 14, bracing boom 15 and reinforcing rib 16 in the enclosed cavity of its Cavity structural member simultaneously, stiffening rib 14 and bracing boom 15 have part to be exposed to the Cavity structural member outside, and also protruding on the stiffening rib 14 that exposes have a metal foil band reinforce 6.
The present invention also is to be provided with light material 17 in the enclosed cavity of described Cavity structural member.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, all be filled with light material 17 in the enclosed cavity of its Cavity structural member, diagram light material 17 is an expanded perlite.
The present invention is that also in described upper plate 1 or the sidewall 2 at least one is for dismountable movable part.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its upper plate 1 is movable dismountable movable cover plate that fastens.
The present invention is that also described Cavity structural member is provided with align member 18.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, be provided with a plurality of align members 18 on its Cavity structural member simultaneously, illustrated position member 18 is for supporting location spike piece.
The present invention is that also described Cavity structural member is provided with the connector 19 of the location that is connected to each other between the Cavity structural member.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, go to the bottom and be provided with many presstressed reinforcing steels 5 in 3, its Cavity structural member is provided with a plurality of connectors 19 that Cavity structural member is connected to each other and locatees that are used for, and diagram connector 19 is rod member and hole.
The present invention is that also basin-shaped component 20 that described upper plate 1 and sidewall 2 on every side constituted is arranged at intervals with on 3 a plurality ofly going to the bottom, and basin-shaped component 20 constitutes internal-rib die cavity 21 each other.Figure 19 is the structural representation of the embodiment of the invention 19, 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 20 that constitutes, basin-shaped component 20 is spaced on 3 going to the bottom, and constitutes a plurality of internal-rib die cavitys 21.
The present invention also is to be provided with in the described internal-rib die cavity 21 a spacer draw piece 22.Figure 20 is the structural representation of the embodiment of the invention 20, 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 20 that constitutes, basin-shaped component 20 is spaced on 3 going to the bottom, and constitutes a plurality of internal-rib die cavitys 21, is provided with a spacer draw piece 22 in its internal-rib die cavity 21.
The present invention also is to connect and compose assembly in groups by a spacer draw piece 22 between described a plurality of Cavity structural member.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and its a plurality of Cavity structural members have constituted assembly in groups under a connection of spacer draw piece 22.
The present invention is that also described going to the bottom contain the thin band 23 of prestressing force in 3.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 and constitute the polyhedron Cavity structural member on every side, sidewall 2 and go to the bottom and be provided with groove 4 between 3, going to the bottom is provided with many presstressed reinforcing steels 5 in 3, and it is gone to the bottom and also is provided with 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 layer of glass grid cloth Cavity structural member of contracting to central indent of at least one opening edge of the multilayer build-up of one deck cementitious matter again with layer structure, demoulding maintenance is to stipulating the length of time, promptly obtain the open cavity member that the opening edge indent contracts, 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, and place presstressed reinforcing steel 5 in the stretch-draw of going to the bottom in 3, also can place reinforces 6 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 opening edge of the open cavity member that makes in advance 3 is bonded to integral body, the demoulding behind 3 setting and hardens of waiting to go to the bottom with going to the bottom, maintenance promptly obtains molding hollow component in use for filling in concrete in site after stipulate the length of time.
Claims (23)
1, a kind of molding hollow component in use for filling in concrete in site, comprise upper plate (1), sidewall (2), go to the bottom (3) on every side, upper plate (1), sidewall (2), go to the bottom (3) surround the polyhedron Cavity structural member on every side, it is characterized in that described sidewall (2) and go to the bottom being provided with at least one groove (4) between (3), in go to the bottom (3), accompany at least one presstressed reinforcing steel (5), sidewall (2) and go to the bottom between (3) and around sidewall (2), all to be set to groove (4).
2, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that described presstressed reinforcing steel (5) is prestressed reinforcement or compressor wire or steel strand.
3, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that described presstressed reinforcing steel (5) is parallel, quadrature, oblique setting.
4, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that described upper plate (1), contains reinforce (6) at least one of sidewall (2), go to the bottom (3) on every side, perhaps has reinforce (6) to expose.
5, a kind of molding hollow component in use for filling in concrete in site according to claim 4 is characterized in that described sidewall (2) and the cell wall of the groove (4) that is provided with of going to the bottom between (3) has reinforce (6) to stretch into and be anchored to go to the bottom in (3).
6, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that the orthogonal groove that is square of described groove (4).
7,, it is characterized in that the horizontal profile of described polyhedron Cavity structural member is shaped as rectangle, square, polygon or circle according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6.
8, a kind of molding hollow component in use for filling in concrete in site according to claim 7 is characterized in that described polygon is arc angle polygon or chamfering polygon.
9, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6, the cross sectional shape that it is characterized in that described groove (4) is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle.
10, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6, it is characterized in that described groove (4) one ends on go to the bottom (3), the other end upwards edges up or groove (4) width increases.
11,, it is characterized in that described groove (4) is degree of broadening groove or degree of deepening groove according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6.
12, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6, it is characterized in that described going to the bottom (3) stretch out Cavity structural member around outside the horizontal projection of sidewall (2).
13, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6, other position that it is characterized in that 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).
14, a kind of molding hollow component in use for filling in concrete in site according to claim 13 is characterized in that described groove (4), inner corner trim (7), chamfering (8), raised line (12) self or is parallel, quadrature, oblique or grade separation setting mutually.
15, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6, it is characterized in that being provided with in the enclosed cavity of described Cavity structural member at least one in stiffening rib (14), bracing boom (15), the reinforcing rib (16), perhaps have in stiffening rib (14), the bracing boom (15) at least one to expose, perhaps stiffening rib (14), bracing boom (15) are gone up and are also had reinforce (6) to expose.
16,, it is characterized in that being provided with light material (17) in the enclosed cavity of described Cavity structural member according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6.
17,, it is characterized in that in described upper plate (1) or the sidewall (2) at least one is for dismountable movable part according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6.
18,, it is characterized in that described Cavity structural member is provided with align member (18) according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6.
19,, it is characterized in that described Cavity structural member is provided with the connector (19) of the location that is connected to each other between the Cavity structural member according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6.
20, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6, it is a plurality of to it is characterized in that basin-shaped component (20) that described upper plate (1) and sidewall (2) are on every side constituted is arranged at intervals with on go to the bottom (3), and basin-shaped component (20) constitutes internal-rib die cavity (21) each other.
21, a kind of molding hollow component in use for filling in concrete in site according to claim 20 is characterized in that being provided with in the described internal-rib die cavity (21) a spacer draw piece (22).
22,, it is characterized in that connecting and composing assembly in groups by a spacer draw piece (22) between described a plurality of Cavity structural member according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6.
23,, it is characterized in that containing in described the going to the bottom (3) the thin band (23) of prestressing force according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610092200XA CN100467765C (en) | 2003-07-28 | 2003-07-28 | Cavity construction member for forming cast-in-situs concrete |
| CN 03133290 CN1260443C (en) | 2003-07-28 | 2003-07-28 | Cavity structural member for cast-in-place concrete formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03133290 CN1260443C (en) | 2003-07-28 | 2003-07-28 | Cavity structural member for cast-in-place concrete formation |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610092200XA Division CN100467765C (en) | 2003-07-28 | 2003-07-28 | Cavity construction member for forming cast-in-situs concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1576483A CN1576483A (en) | 2005-02-09 |
| CN1260443C true CN1260443C (en) | 2006-06-21 |
Family
ID=34579013
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03133290 Expired - Fee Related CN1260443C (en) | 2003-07-28 | 2003-07-28 | Cavity structural member for cast-in-place concrete formation |
| CNB200610092200XA Expired - Fee Related CN100467765C (en) | 2003-07-28 | 2003-07-28 | Cavity construction member for forming cast-in-situs concrete |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610092200XA Expired - Fee Related CN100467765C (en) | 2003-07-28 | 2003-07-28 | Cavity construction member for forming cast-in-situs concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN1260443C (en) |
-
2003
- 2003-07-28 CN CN 03133290 patent/CN1260443C/en not_active Expired - Fee Related
- 2003-07-28 CN CNB200610092200XA patent/CN100467765C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1896420A (en) | 2007-01-17 |
| CN1576483A (en) | 2005-02-09 |
| CN100467765C (en) | 2009-03-11 |
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