CN100420805C - Hollow component for concrete - Google Patents

Hollow component for concrete Download PDF

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Publication number
CN100420805C
CN100420805C CNB2006100065054A CN200610006505A CN100420805C CN 100420805 C CN100420805 C CN 100420805C CN B2006100065054 A CNB2006100065054 A CN B2006100065054A CN 200610006505 A CN200610006505 A CN 200610006505A CN 100420805 C CN100420805 C CN 100420805C
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CN
China
Prior art keywords
hollow
concrete
draw piece
die
spacer draw
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CNB2006100065054A
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Chinese (zh)
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CN1831265A (en
Inventor
邱则有
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邱则有
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Application filed by 邱则有 filed Critical 邱则有
Priority to CN 03118393 priority Critical patent/CN1242140C/en
Publication of CN1831265A publication Critical patent/CN1831265A/en
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Publication of CN100420805C publication Critical patent/CN100420805C/en

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Abstract

The present invention relates to a hollow member for concrete, which comprises hollow mould shells (1). The present invention is characterized in that at least two hollow mould shells (1) are arranged at intervals. A cast-in-place concrete inner rib mould cavity (2) is formed between the opposite faces of the two hollow mould shells (1). At least one spacing bracing and pulling piece (3) which connects the two hollow mould shells (1) into a whole is arranged in the inner rib mould cavity (2). No lower base plates for communication are arranged under the hollow mould shells (1). The ends of the spacing bracing and pulling piece (3) are embedded into the concave parts of the hollow mould shells (1). The present invention is suitable for a hollow floor, a roof, a foundation base plate, a wall and a hollow bridge, which are made from cast-in-place reinforced concrete or prestressing reinforced concrete to use.

Description

A kind of hollow component used for concrete
The application is that May 20, application number in 2003 are that 03118393.X, name are called the dividing an application of application for a patent for invention of " a kind of hollow component used for concrete " for the applying date.
(1) technical field
The present invention relates to a kind of hollow component used for concrete.
(2) background technology
At present, cast-in-situ reinforcing steel bar concrete hollow slab is to use wider floor structural form, has that speed of application is fast, structure height is little, advantages such as ceiling decoration can be cut apart and need not to room area flexibly.The lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99232921.3, name are called " cast-in-place reinforced concrete filling thin wall cylinder " utility model patent as the applicant in the patent No. of application on March 10th, 1999, it is made up of horniness thin-walled tube and two plugs, is applied to use as the lightening permanent loose tool in the hollowcore slab.And for example the applicant in the application number of on November 29th, 1999 application be 99115666.8, name is called " fiber-reinforced thin-wall box for filling cast-in-place reinforced concrete and manufacture method thereof ", its thin-walled box is applied in the cast-in-situ reinforcing steel bar concrete hollow slab, can satisfy the needs of latticed, the cellular concrete of finding time, form close rib hollowcore slab.Thin-walled is box filled in concrete, has both made filling member, again as the hollow die shell member, plays the effect of permanent mold shell.But, when this thin-walled box is constructed as hollow die shell, need single laying construction, inconsistent phenomenon easily takes place in mutually positioning inconvenience, influences the construction quality of hollowcore slab, simultaneously also influence efficiency of construction, therefore, develop a kind of novel hollow component used for concrete for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of hollow component used for concrete, have easy construction, efficient height, be easy to guarantee characteristics such as hollowcore slab construction quality, simultaneously, also have characteristics such as simple in structure, that intensity is high, making is easy, cost is low.
Solution of the present invention is on the basis of existing technology, comprise hollow die shell, it is characterized in that at least two hollow die shells alternately, constitute Cast-in-place concrete internal-rib die cavity between the opposite face of two hollow die shells, have in the internal-rib die cavity two at least one spacer draw pieces of the alternate binding all-in-one-piece of hollow die shell, between at least one bending of spacer draw piece stretch into anchoring in the die wall of hollow die shell, be firmly fixed or flexible connection between a spacer draw piece and the hollow die shell.Like this, because cavity member by at least two hollow die shells alternately, hollow die shell connects to one by a spacer draw piece, form the hollow die shell assembly, thereby when being applied to cast-in-place hollow slab, hollow die shell is become in groups by single laying to be laid, mutually positioning very convenient, the construction quality that is difficult for inconsistent phenomenon takes place and influences hollowcore slab, efficiency of construction also improves greatly simultaneously, thereby reach purpose of the present invention, in addition, cavity member also has simple in structure, the intensity height, make easily, characteristics such as cost is low are suitable for various cast-in-situ reinforced concretes or prestressed hollow reinforced concrete roof, roof system, sole plate, body of wall, hollow bridges is used, and is specially adapted to hollow arch without beam and uses.
Feature of the present invention also is between described spacer draw piece and the hollow die shell to firmly fixed.Like this, hollow die shell is connected firmly, and has good rigidity, is convenient to carrying and stacks.
Feature of the present invention also is between described spacer draw piece and the hollow die shell to flexibly connecting.Like this, can install, dismantle hollow die shell flexibly, conveniently adjust the width of internal-rib die cavity and lay reinforcing bar, satisfy instructions for use according to different situations and needs.
Feature of the present invention is that also described spacer draw piece is at least one in rod member, rope, plate, muscle, silk, thin band, the pier.Like this, the variation of support draw piece material and structure can be satisfied the different designs requirement of product, and can adopt rational best mode to connect as required.
Feature of the present invention also be spacer draw piece between described rod member, plate or pier formula be hollow or porous hollow between the spacer draw piece.Like this, the support draw piece of hollow or porous hollow has also improved the rupture strength and the rigidity of support draw piece when alleviating cavity member weight.
Feature of the present invention is that also described spacer draw piece is arranged in middle part or at least one position peripheral or four jiaos of internal-rib die cavity.Like this, can be free and the position of design support draw piece regularly, can improve the application function of cavity member in concrete convenient and simplely.
Feature of the present invention is that also described spacer draw piece is metalwork.Like this, the spacer draw piece has big, the advantages of high strength of rigidity between metal, and it is more solid and reliable to make that hollow die shell connects.
Feature of the present invention is that also described intermetallic spacer draw piece is docked by at least two metalworks.Like this, metalwork connects efficiently and easily by modes such as welding, screw or bolts, has improved operating efficiency greatly.
Feature of the present invention is that also described intermetallic spacer draw piece is metalwork and the welding of internal-rib die cavity die wall.Like this, metalwork connects efficiently and easily by modes such as welding, screw or bolts, has improved operating efficiency greatly.
Feature of the present invention also is the built-in fitting welding that described intermetallic spacer draw piece is metalwork and internal-rib die cavity wall.Like this, metalwork connects efficiently and easily by modes such as welding, screw or bolts, has improved operating efficiency greatly.
Feature of the present invention is that also described intermetallic spacer draw piece is that metalwork and built-in fitting or die cavity die wall screw or bolt form.Like this, metalwork connects efficiently and easily by modes such as welding, screw or bolts, has improved operating efficiency greatly.
Feature of the present invention is that also described spacer draw piece is that the cross sectional shape that steel plate is made is U, I, X, T, zero, ㄈ or shape support draw piece.Like this, the metal of the multiple cross sectional shape support draw piece different bonding strengths that can satisfy hollow die shell require and rigidity requirement.
Feature of the present invention is that also described spacer draw piece is reinforcing bar or metal tube stay draw piece.Like this, the metal of the multiple cross sectional shape support draw piece different bonding strengths that can satisfy hollow die shell require and rigidity requirement.
Feature of the present invention also is hole, grid, sour jujube head or the sour jujube limit that at least one head of described spacer draw piece has steel disc to dash, and is integral with the die wall build-in of hollow die shell.Like this, engage closely with the die wall build-in of hollow die shell, make its connection more firm towards the steel disc on porose, grid, sour jujube head or sour jujube limit.
Feature of the present invention is that also at least one head of described spacer draw piece has gauze wire cloth, thin band, expanded metal lath or fleece, and is integral with the die wall build-in of hollow die shell.Like this, be connected the variation of material in the support draw piece with the hollow die shell die wall, made things convenient for material selection when manufacturing, reduced cost of production.
Feature of the present invention is that also at least one head of described spacer draw piece is divided into flat of the above bending of two forks, and is integral with the die wall surface or the inner build-in of hollow die shell.Like this, one of draw piece of support is divided into flat of the above bending of two forks, makes to have good firm balance quality between the hollow die shell, reduces the proportion of goods damageds in transportation, the installation process.
Feature of the present invention is that also described at least one head of spacer draw piece is extended with steel wire, fiber or strip.Like this, but cavity member binding in steel wire, fiber or the strip convenient construction process that support is stretched out on the draw piece, install and end floating.
Feature of the present invention is that also at least one bending of described spacer draw piece stretch into anchoring in the die wall of hollow die shell.Like this, the support draw piece combines with die wall, makes the support draw piece have good resistance folding rigidity and intensity, guarantees the secure and reliable connection between the hollow die shell.
Feature of the present invention is also that described spacer draw piece is parallel to each other, quadrature, oblique or grade separation.Like this, the support draw piece arranges in above-mentioned various laying modes, can make the common stress system that constitutes a plurality of different cavity member inside of support draw piece and cavity member, satisfies the use needs.
Feature of the present invention is that also described spacer draw piece is hollow section, and at least one end of hollow section is to have opening to be bent into tube wall more than two, and the bending tube wall is fixed on the die wall surface of hollow die shell or is clipped in die wall inside.Like this, hollow support draw piece is open-ended to be bent into the barrel more than two and to be fixed on the die wall, has good rigidity and firm performance, can fully guarantee cavity member in carrying, installing and using in the process can be because of the fracture of support draw piece, come off and disintegrate.
Feature of the present invention is that also the spacer draw piece is filled spacer draw piece between closely knit one-tenth composite tube type between described hollow section.Like this, fill the closely knit composite tube type support draw piece that forms and have good bending resistance shear behavior, strengthened the intensity of support draw piece, improved the overall performance of cavity member.
Feature of the present invention is that also the cavity in described at least one hollow spacer draw piece is communicated with the hollow mould shell cavity more than at least two.Like this, the hollow mould shell of hollow spacer draw piece connection has good sound wave dispersibility, and it is applied to have good sound insulation, sound absorption behind the concrete, and simultaneously, also the construction of convenient various pipelines is laid.
Feature of the present invention is that also described spacer draw piece is flat, and an end bending of flat is clipped in the die wall of hollow die shell.Like this, flat die wall that supports draw piece and hollow die shell with good vertically bending rigidity combines, and makes cavity member have light firm characteristics.
Feature of the present invention is that also the collar extension of described internal-rib die cavity is horn mouth or bench port.Like this, the setting of the internal-rib die cavity of horn mouth or bench port, in the time of can making cavity member be applied in the concrete,, Cast-in-place concrete can closely knitly easily be built in the internal-rib die cavity.
Feature of the present invention also is to be provided with in the described internal-rib die cavity at least a in inner corner trim, chamfering, groove, pit, the hole.Like this, when cavity member was applied in the concrete, concrete poured in inner corner trim, chamfering, groove, pit, the hole and to form local Cast-in-place concrete and add competent structure, makes cast-in-situ concrete structure more reasonable.
Feature of the present invention also is to be provided with in the described internal-rib die cavity at least a in projection, raised line, the external corner.Like this, when cavity member is applied in the concrete, by projection found time in the position that do not stress in the Cast-in-place concrete, raised line and external corner carry out prefabricated component to weak force part and strengthen, and can make concrete hollow board have more rational stress form.
Feature of the present invention also is inner corner trim, chamfering, groove, the raised line in the described internal-rib die cavity or its combination is orthogonal thereto, oblique, parallel or grade separation.Like this, cast-in-place Cast-in-place concrete of going into form in inner corner trim, chamfering, the groove orthogonal thereto, oblique, parallel or grade separation makes the mechanical property of concrete hollow board more reasonable.
Feature of the present invention is that also described spacer draw piece and at least one internal-rib die cavity die wall global formation become distance member.Like this, the distance member of global formation has very good whole, has further improved the overall performance of cavity member.
Feature of the present invention also is described distance member and hollow die shell gluing, welding, riveted joint or pegs graft whole.Like this, distance member can be finished between the formwork quickly and easily with the multiple juncture of hollow die shell and be connected, and has improved the production efficiency of cavity member.
Feature of the present invention also is described internal-rib die cavity more than at least two, their parallel to each other or quadratures.Like this, when cavity member is applied in the concrete, pour into the cast-in-place concrete hidden rib that concrete in the internal-rib die cavity forms parallel to each other or grade separation, optimized the internal construction and the stress performance of whole concrete structure.
Feature of the present invention is that also described spacer draw piece protrudes or stretch out the internal-rib die cavity.Like this, cavity member can be carried easily, construct by the support draw piece that stretches out or protrude the internal-rib die cavity.
Feature of the present invention is that also at least two above hollow die shells are provided with reinforce, and reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band, braid over braid or the strap.Like this, the intensity that is provided with the hollow die shell of reinforce has obtained improving greatly, and the selecting for use of material when the diversity of reinforce material is convenient to produce simultaneously reduced cost.
Feature of the present invention is that also at least two above hollow die shells have reinforce to expose.
Feature of the present invention is that also at least two above hollow die shells have reinforce to pass the internal-rib die cavity and fuse.
Feature of the present invention is that also described reinforce is thin band.Like this, the rigidity that good flexibility that the wide mask of thin band has and leptoprosopy have has all obtained fully playing in hollow die shell, but the wall thickness of attenuate hollow die shell simultaneously alleviates the weight of cavity member, saves material, reduces cost.
Feature of the present invention also is the hollow die shell of described hollow die shell at least one face opening or hole-opening.The hollow die shell that has a hole or an opening when like this, cavity member is applied in the concrete is convenient to the laying of various reserving holes or pipeline.
Feature of the present invention is that also the hollow die shell beyond the described internal-rib die cavity is provided with at least a in inner corner trim, chamfering, groove, pit, the hole.Like this, when cavity member was applied in the concrete, the concrete that pours in the positions such as inner corner trim had carried out rational reinforcement to the cast-in-place dark rib that forms between the cavity member.
Feature of the present invention is that also the hollow die shell beyond the described internal-rib die cavity is provided with at least a in projection, raised line, the external corner.Like this, when cavity member is applied in the concrete, combine with Cast-in-place concrete after building concrete, formed the cast-in-place dark rib that prefabricated component is strengthened.
Feature of the present invention also is described inner corner trim, chamfering, groove, raised line, external corner self or quadrature, oblique, parallel or grade separation each other.Like this, after cavity member was applied to concrete, Cast-in-place concrete and inner corner trim, chamfering, groove, raised line, external corner combined, and formed the reinforcement position of the Cast-in-place concrete of orthogonal, oblique, parallel or grade separation, had improved the stressed and transmission force property of hollow concrete structure.
Feature of the present invention is that also described hollow die shell is polyhedron, corrugated surface body, curved body or its combination.Like this, the hollow die shell of various ways can be full of the needs of the different occasions of foot when being applied to concrete.
Feature of the present invention is that also described hollow die shell is inner corner trim polyhedron, arc angle polyhedron, interlock corrugated surface body, many curved bodies or its combination.
Feature of the present invention is that also described hollow die shell is metal interlock bellows or plastic film capicitor.Metal interlock bellows, plastic film capicitor have from heavy and light like this, intensity height, production, transportation, advantage easy for installation.
Feature of the present invention is that also a described metal bellows or a spacer draw piece fix with welding, riveted joint or snapping.Like this, can easily metal bellows and support draw piece be connected and fixed.
Feature of the present invention also is at least one hollow die shell or its appurtenance angle is arranged.Like this, when cavity member was applied in the concrete, angle can be controlled the spacing and the thickness of each Cast-in-place concrete, meets design requirement.
Feature of the present invention also is to have under the described hollow die shell the outer base plate of choosing.Like this, cavity member can save installing of soffit formwork when being applied to Cast-in-place concrete, saved a large amount of manpower and materials, has improved efficiency of construction, has reduced construction cost.
Feature of the present invention is that also described hollow die shell and base plate connecting place are fluted.Like this, when cavity member was applied in the concrete, hollow die shell very contained securely and is fixed in the Cast-in-place concrete, forms I-shaped dark rib, has improved mechanical property.
Feature of the present invention also is to accompany reinforce in described hollow die shell, angle, base plate or the spacer draw piece.Like this, hollow die shell, angle, base plate, a spacer draw piece are carried out further reinforcement, effectively guaranteed its unlikely damage in transportation, installation process.
Feature of the present invention also is have reinforce to expose on wall, base plate or the spacer draw piece of the internal-rib die cavity of described hollow die shell.Like this, after cavity member was applied in the concrete, the wall of internal-rib die cavity, base plate, a spacer draw piece had the reinforce and the Cast-in-place concrete that expose firmly to bond, and have further improved the globality of concrete hollow board.
Feature of the present invention also is to be provided with in the described hollow die shell at least one in stiffener, bracing boom, the reinforcing rib.Like this, after cavity member was applied to Cast-in-place concrete, prefabricated component such as stiffener, bracing boom, reinforcing rib and Cast-in-place concrete combined, and have formed cast-in-place and prefabricated structure combining, thereby have made structure safer, reasonable.
Feature of the present invention also is describedly have in stiffener, bracing boom or the reinforcing rib at least one to expose hollow die shell.
Feature of the present invention also is describedly have reinforce to expose hollow die shell.
Feature of the present invention is that also at least one die side wall of described hollow die shell is the wavy metal face.Like this, the wavy metal mask has that intensity is big, non-deformability is strong, more can guarantee the systematicness and the unity of cavity member.
Feature of the present invention is that also the wall of the internal-rib die cavity of described hollow die shell is wavy metal wall or cement reinforce goods wall or other hush panel.Like this, the internal-rib die cavity wall that wavy metal wall or cement reinforce goods wall or other hush panel are made has characteristics such as intensity height, rigidity is big, non-deformability is strong, has fully ensured the systematicness of internal-rib die cavity on the cavity member.
Feature of the present invention is that also at least two hollow die shells are moulding simultaneously.Like this, the globality and the production efficiency of two hollow die shell moulding simultaneously raising cavity members.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is hollow die shell, and 2 is the internal-rib die cavity, 3 be between the spacer idler arm, in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, four hollow die shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2 between the opposite face of two hollow die shells, have a plurality ofly in the internal-rib die cavity 2, do not have the lower shoe that is communicated with between the hollow die shell 1 spacer draw piece 3 between four hollow die shells, 1 alternate binding all-in-one-piece.
Fig. 2 is the structural representation of the embodiment of the invention 2, is flexible connection therebetween between spacer draw piece 3 and the hollow die shell 1.
Fig. 3 is the structural representation of the embodiment of the invention 3, and spacer draw piece 3 is a rod member therebetween, also can be at least a in rope, plate, muscle, silk, thin band, the pier.
Fig. 4 is the structural representation of the embodiment of the invention 4, and spacer draw piece 3 is positioned at the corner location of internal-rib die cavity 2 therebetween, also can be arranged on the middle part or the periphery of internal-rib die cavity 2.
Fig. 5 is the structural representation of the embodiment of the invention 5, and spacer draw piece 3 is a metalwork therebetween, is illustrated as reinforcing bar.
Fig. 6 is the structural representation of the embodiment of the invention 6, and spacer draw piece 3 is welded by metalwork and the metalwork that is embedded on the internal-rib die cavity wall in advance therebetween, also can be metalwork and the internal-rib die cavity wall is welded, and perhaps metalwork forms by screw or bolt.
Fig. 7 is the structural representation of the embodiment of the invention 7, and the cross sectional shape made for steel plate of spacer draw piece 3 is zero a shape support idler arm therebetween, and also can be the cross sectional shape that steel plate makes is U, I, X, T, ㄈ, shape support idler arm or reinforcing bar, metal tube stay draw piece.
Fig. 8 is the structural representation of the embodiment of the invention 8, and one of spacer draw piece 3 has towards the die wall build-in of porose steel disc and hollow die shell 1 and is integral therebetween, and its steel disc also can be and dashes the steel disc that grid, sour jujube head or sour jujube limit are arranged.
Fig. 9 is the structural representation of the embodiment of the invention 9, and one of spacer draw piece 3 has the die wall build-in of gauze wire cloth and hollow die shell 1 to be integral therebetween.
Figure 10 is the structural representation of the embodiment of the invention 10, and one of spacer draw piece 3 is divided into flat of two fork bendings therebetween, and is integral with the inner build-in of die wall.
Figure 11 is the structural representation of the embodiment of the invention 11, and one of spacer draw piece 3 is extended with steel wire therebetween, also stretches out fiber or strip.
Figure 12 is the structural representation of the embodiment of the invention 12, therebetween spacer draw piece 3 interior anchoring of die wall that hollow mould shell 1 is stretched in bending.
Figure 13 is the structural representation of the embodiment of the invention 13, and spacer draw piece 3 is a hollow section therebetween, and an end of hollow section has opening to be bent into two tube wall, and the bending tube wall is fixed on the die wall inside of hollow die shell 1.
Figure 14 is the structural representation of the embodiment of the invention 14, and spacer draw piece 3 is filled spacer draw piece between the closely knit composite tube type that forms for hollow section therebetween.
Figure 15 is the structural representation of the embodiment of the invention 15, and spacer draw piece 3 is flat therebetween, and an end bending of flat is clipped in the die wall of hollow die shell 1.
Figure 16 is the structural representation of the embodiment of the invention 16, and the collar extension of its internal-rib die cavity 2 is horn mouth or bench port.
Figure 17 is the structural representation of the embodiment of the invention 17, is provided with the combination of inner corner trim 4, chamfering 5, pit 7 and hole 8 in its internal-rib die cavity 2.
Figure 18 is the structural representation of the embodiment of the invention 18, is provided with inner corner trim 4, chamfering 5 and groove 6 in its internal-rib die cavity 2.
Figure 19 is the structural representation of the embodiment of the invention 19, is provided with the combination of projection 9 and raised line 10 in its internal-rib die cavity 2.
Figure 20 is the structural representation of the embodiment of the invention 20, and spacer draw piece 3 becomes distance member 11 with the die wall global formation of internal-rib die cavity 2 therebetween.
Figure 21 is the structural representation of the embodiment of the invention 21, its at interval assembly 11 and hollow die shell 1 rivet whole, also can by glued, weld or peg graft integral body.
Figure 22 is the structural representation of the embodiment of the invention 22, be provided with reinforce 12 in its hollow die shell 1, reinforce 12 exposes outside the top of hollow die shell 1 simultaneously, its reinforce 12 is thin band, and reinforce 12 also can be at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band or the strap.
Figure 23 is the structural representation of the embodiment of the invention 23, and its hollow die shell 1 is the hollow die shell of opening.
Figure 24 is the structural representation of the embodiment of the invention 24, and the hollow die shell 1 beyond its internal-rib die cavity 2 is provided with the combination of inner corner trim 4, chamfering 5, groove 6, pit 7, hole 8.
Figure 25 is the structural representation of the embodiment of the invention 25, and the hollow die shell 1 beyond its internal-rib die cavity 2 is provided with the combination of projection 9, raised line 10.
Figure 26 is the structural representation of the embodiment of the invention 26, and its hollow die shell 1 is provided with angle 13.
Figure 27 is the structural representation of the embodiment of the invention 27, and its hollow die shell has the outer base plate of choosing 14 for 1 time.
Figure 28 is the structural representation of the embodiment of the invention 28, is provided with the combination of stiffener 15, bracing boom 16, reinforcing rib 17 in its hollow die shell 1, has stiffener 15, bracing boom 16 to expose simultaneously, and also has reinforce 12 to expose on its exposed portions serve.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise hollow die shell 1, it is characterized in that at least two hollow die shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2 between the opposite face of two hollow die shells 1, have in the internal-rib die cavity 2 two hollow die shells, 1 at least one spacer draw piece 3 of alternate binding all-in-one-piece, between at least one bending of spacer draw piece 3 stretch into anchoring in the die wall of hollow die shell 1, be firm fixed or flexible connection between a spacer draw piece 3 and the hollow die shell 1.Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is hollow die shell, and 2 is the internal-rib die cavity, 3 be between the spacer idler arm, in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, four hollow die shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately between the opposite face of two hollow die shells, have a plurality of with spacer draw piece 3 between four hollow die shells, 1 alternate binding all-in-one-piece in the internal-rib die cavity 2.As shown in figure 12, anchoring in the die wall of hollow die shell 1 is stretched in spacer draw piece 3 bending, between a spacer draw piece 3 and the hollow die shell 1 for firmly fixed.
Feature of the present invention also is between described spacer draw piece 3 and the hollow die shell 1 to firmly fixed.As shown in Figure 1, firmly fixed between a spacer draw piece 3 and the hollow die shell 1.
Feature of the present invention also is between described spacer draw piece 3 and the hollow die shell 1 to flexibly connecting.Fig. 2 is the structural representation of the embodiment of the invention 2, is flexible connection therebetween between spacer draw piece 3 and the hollow die shell 1.
Feature of the present invention is that also described spacer draw piece 3 is at least one in rod member, rope, plate, muscle, silk, thin band, the pier.Fig. 3 is the structural representation of the embodiment of the invention 3, and spacer draw piece 3 is a rod member therebetween, also can be at least a in rope, plate, muscle, silk, thin band, the pier.
Feature of the present invention is that also spacer draw piece 3 is spacer draw piece between hollow or porous hollow between described rod member, plate or pier formula.As shown in Figure 3, between the rod member formula spacer draw piece 3 be hollow between the spacer draw piece.
Feature of the present invention is that also described spacer draw piece 3 is arranged in middle part or at least one position peripheral or four jiaos of internal-rib die cavity 2.Fig. 4 is the structural representation of the embodiment of the invention 4, and spacer draw piece 3 is positioned at the corner location of internal-rib die cavity 2 therebetween, also can be arranged on the middle part or the periphery of internal-rib die cavity 2.
Feature of the present invention is that also described spacer draw piece 3 is metalwork.Fig. 5 is the structural representation of the embodiment of the invention 5, and spacer draw piece 3 is a metalwork therebetween, is illustrated as reinforcing bar.
Feature of the present invention is that also described intermetallic spacer draw piece 3 is docked by at least two metalworks.Fig. 6 is the structural representation of the embodiment of the invention 6, and spacer draw piece 3 is welded by metalwork and the metalwork that is embedded on the internal-rib die cavity wall in advance therebetween, also can be metalwork and the internal-rib die cavity wall is welded, and perhaps metalwork forms by screw or bolt.
Feature of the present invention is that also described intermetallic spacer draw piece 3 is metalwork and the welding of internal-rib die cavity die wall.
Feature of the present invention also is the built-in fitting welding of described intermetallic spacer draw piece 3 for metalwork and internal-rib die cavity wall.
Feature of the present invention is that also described intermetallic spacer draw piece 3 forms for metalwork and built-in fitting or die cavity die wall screw or bolt.
Feature of the present invention is that also the cross sectional shape that described spacer draw piece 3 made for steel plate is U, I, X, T, zero, ㄈ or shape support draw piece.Fig. 7 is the structural representation of the embodiment of the invention 7, and the cross sectional shape made for steel plate of spacer draw piece 3 is zero a shape support idler arm therebetween, and also can be the cross sectional shape that steel plate makes is U, I, X, T, ㄈ, shape support idler arm or reinforcing bar, metal tube stay draw piece.
Feature of the present invention is that also described spacer draw piece 3 is reinforcing bar, metal tube stay draw piece.
Feature of the present invention also is hole, grid, sour jujube head or the sour jujube limit that at least one head of described spacer draw piece 3 has steel disc to dash, and is integral with the die wall build-in of hollow die shell 1.Fig. 8 is the structural representation of the embodiment of the invention 8, and one of spacer draw piece 3 has towards the die wall build-in of porose steel disc and hollow die shell 1 and is integral therebetween, and its steel disc also can be and dashes the steel disc that grid, sour jujube head or sour jujube limit are arranged.
Feature of the present invention is that also at least one head of described spacer draw piece 3 has gauze wire cloth, thin band, expanded metal lath or fleece, and is integral with the die wall build-in of hollow die shell 1.Fig. 9 is the structural representation of the embodiment of the invention 9, and one of spacer draw piece 3 has the die wall build-in of gauze wire cloth and hollow die shell 1 to be integral therebetween.
Feature of the present invention is that also at least one head of described spacer draw piece 3 is divided into flat of the above bending of two forks, and is integral with the die wall surface or the inner build-in of hollow die shell 1.Figure 10 is the structural representation of the embodiment of the invention 10, and one of spacer draw piece 3 is divided into flat of two fork bendings therebetween, and is integral with the inner build-in of die wall.
Feature of the present invention is that also described spacer draw piece 3 at least one heads are extended with steel wire, fiber or strip.Figure 11 is the structural representation of the embodiment of the invention 11, and one of spacer draw piece 3 is extended with steel wire therebetween, also stretches out fiber or strip.
Feature of the present invention is that also at least one bending of described spacer draw piece 3 stretch into anchoring in the die wall of hollow die shell 1.Figure 12 is the structural representation of the embodiment of the invention 12, therebetween spacer draw piece 3 interior anchoring of die wall that hollow mould shell 1 is stretched in bending.
Feature of the present invention is also that described spacer draw piece is 3 parallel to each other, quadrature, oblique or grade separation.As shown in figure 11, a spacer draw piece 3 layouts parallel to each other.
Feature of the present invention is that also described spacer draw piece 3 is hollow section, and at least one end of hollow section is to have opening to be bent into tube wall more than two, and the bending tube wall is fixed on the die wall surface of hollow die shell 1 or is clipped in die wall inside.Figure 13 is the structural representation of the embodiment of the invention 13, and spacer draw piece 3 is a hollow section therebetween, and an end of hollow section has opening to be bent into two tube wall, and the bending tube wall is fixed on the die wall inside of hollow die shell 1.
Feature of the present invention is that also spacer draw piece 3 is filled spacer draw piece between closely knit one-tenth composite tube type between described hollow section.Figure 14 is the structural representation of the embodiment of the invention 14, and spacer draw piece 3 is filled spacer draw piece between the closely knit composite tube type that forms for hollow section therebetween.
Feature of the present invention is that also the cavity in described at least one hollow spacer draw piece 3 is communicated with the hollow mould shell cavity more than at least two.As shown in figure 13, hollow spacer draw piece 3 interior cavitys are communicated with the hollow mould shell cavity more than at least two.
Feature of the present invention is that also described spacer draw piece 3 is flat, and an end bending of flat is clipped in the die wall of hollow die shell 1.Figure 15 is the structural representation of the embodiment of the invention 15, and spacer draw piece 3 is flat therebetween, and an end bending of flat is clipped in the die wall of hollow die shell 1.
Feature of the present invention is that also the collar extension of described internal-rib die cavity 2 is horn mouth or bench port.Figure 16 is the structural representation of the embodiment of the invention 16, and the collar extension of its internal-rib die cavity 2 is horn mouth or bench port.
Feature of the present invention also is to be provided with in the described internal-rib die cavity 2 at least a in inner corner trim 4, chamfering 5, groove 6, pit 7, the hole 8.Figure 17 is the structural representation of the embodiment of the invention 17, is provided with the combination of inner corner trim 4, chamfering 5, pit 7 and hole 8 in its internal-rib die cavity 2.Figure 18 is the structural representation of the embodiment of the invention 18, is provided with inner corner trim 4, chamfering 5 and groove 6 in its internal-rib die cavity 2.
Feature of the present invention also is to be provided with in the described internal-rib die cavity 2 at least a in projection 9, raised line 10, the external corner.Figure 19 is the structural representation of the embodiment of the invention 19, is provided with the combination of projection 9 and raised line 10 in its internal-rib die cavity 2.
Feature of the present invention also is inner corner trim 4, chamfering 5, groove 6, the raised line 10 in the described internal-rib die cavity 2 or its combination is orthogonal thereto, oblique, parallel or grade separation.As shown in figure 19, inner corner trim 4, chamfering 5, raised line 10 or its combination in the internal-rib die cavity 2 is parallel or the grade separation layout.
Feature of the present invention is that also described spacer draw piece 3 and at least one internal-rib die cavity 2 die wall global formation become distance member 11.Figure 20 is the structural representation of the embodiment of the invention 20, and spacer draw piece 3 becomes distance member 11 with the die wall global formation of internal-rib die cavity 2 therebetween.
Feature of the present invention also is described distance member 11 and hollow die shell 1 gluing, welding, riveted joint or pegs graft whole.Figure 21 is the structural representation of the embodiment of the invention 21, its at interval assembly 11 and hollow die shell 1 rivet whole, also can by glued, weld or peg graft integral body.
Feature of the present invention also is described internal-rib die cavity more than 2 at least two, their parallel to each other or quadratures.As shown in figure 21, internal-rib die cavity 2 is two, and they are orthogonal.
Feature of the present invention is that also described spacer draw piece 3 protrudes or stretch out internal-rib die cavity 2.As shown in figure 21, a spacer draw piece 3 protrudes internal-rib die cavity 2 outsides.
Feature of the present invention is that also at least two above hollow die shells 1 are provided with reinforce 12, and reinforce 12 is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band, braid over braid or the strap.Figure 22 is the structural representation of the embodiment of the invention 22, be provided with reinforce 12 in its hollow die shell 1, reinforce 12 exposes outside the top of hollow die shell 1 simultaneously, its reinforce 12 is thin band, and reinforce 12 also can be at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band or the strap.
Feature of the present invention is that also at least two above hollow die shells 1 have reinforce 12 to expose.
Feature of the present invention is that also at least two above hollow die shells 1 have reinforce 12 to pass internal-rib die cavity 2 and fuse.
Feature of the present invention is that also described reinforce 12 is thin band.As shown in figure 22, the reinforce 12 that is provided with in the hollow die shell 1 is the metal foil band.
Feature of the present invention also is the hollow die shell of described hollow die shell 1 at least one face opening or hole-opening.Figure 23 is the structural representation of the embodiment of the invention 23, and its hollow die shell 1 is the hollow die shell of opening.
Feature of the present invention is that also the hollow die shell 1 beyond the described internal-rib die cavity 2 is provided with at least a in inner corner trim 4, chamfering 5, groove 6, pit 7, the hole 8.Figure 24 is the structural representation of the embodiment of the invention 24, and the hollow die shell 1 beyond its internal-rib die cavity 2 is provided with the combination of inner corner trim 4, chamfering 5, groove 6, pit 7, hole 8.
Feature of the present invention is that also the hollow die shell 1 beyond the described internal-rib die cavity 2 is provided with at least a in projection 9, raised line 10, the external corner.Figure 25 is the structural representation of the embodiment of the invention 25, and the hollow die shell 1 beyond its internal-rib die cavity 2 is provided with the combination of projection 9, raised line 10.
Feature of the present invention also is described inner corner trim 4, chamfering 5, groove 6, raised line 10, external corner self or quadrature, oblique, parallel or grade separation each other.As shown in figure 25, the inner corner trim 4 on its cavity member, chamfering 5, groove 6, raised line 10, external corner self or quadrature, oblique, parallel or grade separation each other.
Feature of the present invention is that also described hollow die shell 1 is polyhedron, corrugated surface body, curved body or its combination.As Fig. 9, shown in Figure 10, hollow die shell 1 is the right angle hexahedron.
Feature of the present invention is that also described hollow die shell 1 is inner corner trim polyhedron, arc angle polyhedron, interlock corrugated surface body, many curved bodies or its combination.
Feature of the present invention is that also described hollow die shell 1 is metal interlock bellows or plastic film capicitor.
Feature of the present invention is that also a described metal bellows 1 or a spacer draw piece 3 fix with welding, riveted joint or snapping.
Feature of the present invention also is at least one hollow die shell 1 or its appurtenance angle 13 is arranged.Figure 26 is the structural representation of the embodiment of the invention 26, and its hollow die shell 1 is provided with angle 13.
Feature of the present invention is that also described hollow die shell has the outer base plate of choosing 14 for 1 time.Figure 27 is the structural representation of the embodiment of the invention 27, and its hollow die shell has the outer base plate of choosing 14 for 1 time.
Feature of the present invention also is described hollow die shell 1 and base plate 14 connecting places fluted 6.As shown in figure 27, hollow die shell 1 and base plate 14 connecting places fluted 6.
Feature of the present invention also is to accompany reinforce 12 in described hollow die shell 1, angle 13, base plate 14 or the spacer draw piece 3.As shown in figure 27, accompany reinforce 12 in hollow die shell 1 and the base plate 14.
Feature of the present invention also is have reinforce 12 to expose on wall, base plate 14 or the spacer draw piece 3 of the internal-rib die cavity 2 of described hollow die shell 1.As shown in figure 27, there is reinforce 12 to expose on the wall of the internal-rib die cavity 2 of hollow die shell 1 and the base plate 14.
Feature of the present invention also is to be provided with in the described hollow die shell 1 at least one in stiffener 15, bracing boom 16, the reinforcing rib 17.Figure 28 is the structural representation of the embodiment of the invention 28, is provided with the combination of stiffener 15, bracing boom 16, reinforcing rib 17 in its hollow die shell 1, has stiffener 15, bracing boom 16 to expose simultaneously, and also has reinforce 12 to expose on its exposed portions serve.
Feature of the present invention also is describedly have in stiffener 15, bracing boom 16 or the reinforcing rib 17 at least one to expose hollow die shell 1.
Feature of the present invention also is describedly have reinforce 12 to expose hollow die shell 1.
Feature of the present invention is that also at least one die side wall of described hollow die shell 1 is the wavy metal face.
Feature of the present invention is that also the wall of the internal-rib die cavity 2 of described hollow die shell 1 is wavy metal wall or cement reinforce goods wall or other hush panel.
Feature of the present invention is that also at least two hollow die shells 1 are moulding simultaneously.
During the invention process, can adopt the cement glass fibrous mesh cloth to make hollow die shell 1 earlier, and at the pre-buried weldment in its side, use spacer draw piece 3 between the bar dowel conduct then, with the mode that is welded to connect with a plurality of hollow die shells 1, pre-buried weldment with bar dowel and side is integrally welded, promptly becomes hollow component used for concrete.

Claims (51)

1. hollow component used for concrete, comprise hollow die shell (1), it is characterized in that at least two hollow die shells (1) alternately, constitute Cast-in-place concrete internal-rib die cavity (2) between the opposite face of two hollow die shells (1), have in the internal-rib die cavity (2) at least one spacer draw piece (3) of the alternate binding all-in-one-piece of two hollow die shells (1), between at least one bending of spacer draw piece (3) stretch into anchoring in the die wall of hollow die shell (1), be firm fixed or flexible connection between a spacer draw piece (3) and the hollow die shell (1).
2. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is at least one in rod member, rope, plate, muscle, silk, thin band, the pier.
3. a kind of hollow component used for concrete according to claim 2 is characterized in that spacer draw piece (3) is spacer draw piece between hollow or porous hollow between described rod member, plate or pier formula.
4. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is arranged in middle part or at least one position peripheral or four jiaos of internal-rib die cavity (2).
5. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is metalwork.
6. a kind of hollow component used for concrete according to claim 5 is characterized in that described intermetallic spacer draw piece (3) is docked by at least two metalworks.
7. a kind of hollow component used for concrete according to claim 5 is characterized in that described intermetallic spacer draw piece (3) is metalwork and the welding of internal-rib die cavity die wall.
8. a kind of hollow component used for concrete according to claim 5 is characterized in that the built-in fitting welding of described intermetallic spacer draw piece (3) for metalwork and internal-rib die cavity wall.
9. a kind of hollow component used for concrete according to claim 5 is characterized in that described intermetallic spacer draw piece (3) forms for metalwork and built-in fitting or die cavity die wall screw or bolt.
10. a kind of hollow component used for concrete according to claim 5 is characterized in that U, I, X, T, zero, ㄈ or shape support draw piece that described spacer draw piece (3) made for steel plate.
11. a kind of hollow component used for concrete according to claim 5 is characterized in that described spacer draw piece (3) is reinforcing bar or metal tube stay draw piece.
12. a kind of hollow component used for concrete according to claim 1 is characterized in that hole, grid, sour jujube head or sour jujube limit that at least one head of described spacer draw piece (3) has steel disc to dash, and is integral with the die wall build-in of hollow die shell (1).
13. a kind of hollow component used for concrete according to claim 1 is characterized in that at least one head of described spacer draw piece (3) has gauze wire cloth, thin band, expanded metal lath or fleece, and is integral with the die wall build-in of hollow die shell (1).
14. a kind of hollow component used for concrete according to claim 1 is characterized in that at least one head of described spacer draw piece (3) is divided into flat of the above bending of two forks, and is integral with the die wall surface or the inner build-in of hollow die shell (1).
15. a kind of hollow component used for concrete according to claim 1 is characterized in that at least one head of described spacer draw piece (3) is extended with steel wire, fiber or strip.
16. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is parallel to each other, quadrature, oblique or grade separation.
17. a kind of hollow component used for concrete according to claim 1, it is characterized in that described spacer draw piece (3) is hollow section, at least one end of hollow section is to have opening to be bent into tube wall more than two, and the bending tube wall is fixed on the die wall surface of hollow die shell (1) or is clipped in die wall inside.
18. a kind of hollow component used for concrete according to claim 17 is characterized in that spacer draw piece (3) is filled spacer draw piece between closely knit one-tenth composite tube type between described hollow section.
19. want 3 or 17 described a kind of hollow component used for concrete according to right, it is characterized in that the cavity in described at least one hollow spacer draw piece (3) is communicated with the hollow mould shell cavity more than at least two.
20. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is flat, an end bending of flat is clipped in the die wall of hollow die shell (1).
21. a kind of hollow component used for concrete according to claim 1, the collar extension that it is characterized in that described internal-rib die cavity (2) is horn mouth or bench port.
22. a kind of hollow component used for concrete according to claim 1 is characterized in that being provided with in the described internal-rib die cavity (2) at least a in inner corner trim (4), chamfering (5), groove (6), pit (7), the hole (8).
23. a kind of hollow component used for concrete according to claim 1 is characterized in that being provided with in the described internal-rib die cavity (2) at least a in projection (9), raised line (10), the external corner.
24., it is characterized in that inner corner trim (4), chamfering (5), groove (6), the raised line (10) in the described internal-rib die cavity (2) or its combination is orthogonal thereto, oblique, parallel or grade separation according to claim 22 or 23 described a kind of hollow component used for concrete.
25. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) and at least one internal-rib die cavity (2) die wall global formation become distance member (11).
26. a kind of hollow component used for concrete according to claim 25 is characterized in that described distance member (11) is glued with hollow die shell (1), it is whole to weld, rivet or peg graft.
27. a kind of hollow component used for concrete according to claim 1 is characterized in that described internal-rib die cavity more than (2) at least two, their parallel to each other or quadratures.
28. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) protrudes or stretch out internal-rib die cavity (2).
29. a kind of hollow component used for concrete according to claim 1, it is characterized in that at least two above hollow die shells (1) are provided with reinforce (12), reinforce (12) is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band, braid over braid or the strap.
30. a kind of hollow component used for concrete according to claim 29 is characterized in that at least two above hollow die shells (1) have reinforce (12) to expose.
31. a kind of hollow component used for concrete according to claim 29 is characterized in that at least two above hollow die shells (1) have reinforce (12) to pass internal-rib die cavity (2) and fuse.
32. a kind of hollow component used for concrete according to claim 29 is characterized in that described reinforce (12) is thin band.
33. a kind of hollow component used for concrete according to claim 1 is characterized in that the hollow die shell of described hollow die shell (1) at least one face opening or hole-opening.
34. a kind of hollow component used for concrete according to claim 1 is characterized in that described internal-rib die cavity (2) hollow die shell (1) in addition is provided with at least a in inner corner trim (4), chamfering (5), groove (6), pit (7), the hole (8).
35. a kind of hollow component used for concrete according to claim 1 is characterized in that described internal-rib die cavity (2) hollow die shell (1) in addition is provided with at least a in projection (9), raised line (10), the external corner.
36., it is characterized in that described inner corner trim (4), chamfering (5), groove (6), raised line (10), external corner self or quadrature, oblique, parallel or grade separation each other according to claim 34 or 35 described a kind of hollow component used for concrete.
37. a kind of hollow component used for concrete according to claim 1 is characterized in that described hollow die shell (1) is polyhedron, corrugated surface body, curved body or its combination.
38. a kind of hollow component used for concrete according to claim 1 is characterized in that described hollow die shell (1) is inner corner trim polyhedron, arc angle polyhedron, interlock corrugated surface body, many curved bodies or its combination.
39. a kind of hollow component used for concrete according to claim 1 is characterized in that described hollow die shell (1) is metal interlock bellows or plastic film capicitor.
40., it is characterized in that a described metal bellows (1) or a spacer draw piece (3) fix with welding, riveted joint or snapping according to the described a kind of hollow component used for concrete of claim 39.
41. a kind of hollow component used for concrete according to claim 1 is characterized in that angle (13) is arranged at least one hollow die shell (1) or its appurtenance.
42. a kind of hollow component used for concrete according to claim 1 is characterized in that having under the described hollow die shell (1) the outer base plate of choosing (14).
43., it is characterized in that described hollow die shell (1) and base plate (14) connecting place fluted (6) according to the described a kind of hollow component used for concrete of claim 42.
44., it is characterized in that accompanying reinforce (12) in described hollow die shell (1), angle (13), base plate (14) or the spacer draw piece (3) according to claim 41 or 42 described a kind of hollow component used for concrete.
45., it is characterized in that having reinforce (12) to expose on wall, base plate (14) or the spacer draw piece (3) of the internal-rib die cavity (2) of described hollow die shell (1) according to the described a kind of hollow component used for concrete of claim 44.
46. a kind of hollow component used for concrete according to claim 1 is characterized in that being provided with in the described hollow die shell (1) at least one in stiffener (15), bracing boom (16), the reinforcing rib (17).
47., it is characterized in that describedly having in stiffener (15), bracing boom (16) or the reinforcing rib (17) at least one to expose hollow die shell (1) according to the described a kind of hollow component used for concrete of claim 46.
48., it is characterized in that describedly having reinforce (12) to expose hollow die shell (1) according to the described a kind of hollow component used for concrete of claim 46.
49. a kind of hollow component used for concrete according to claim 1, at least one die side wall that it is characterized in that described hollow die shell (1) is the wavy metal face.
50. a kind of hollow component used for concrete according to claim 1, the wall that it is characterized in that the internal-rib die cavity (2) of described hollow die shell (1) are wavy metal wall or cement reinforce goods wall or other hush panel.
51. a kind of hollow component used for concrete according to claim 1 is characterized in that at least two hollow die shells (1) are moulding simultaneously.
CNB2006100065054A 2003-05-20 2003-05-20 Hollow component for concrete CN100420805C (en)

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CN1800542B (en) * 2004-12-31 2010-07-28 邱则有 Reinforced bar concrete hollow slab
CN101245632B (en) * 2007-02-16 2011-08-03 邱则有 Prefabricated slab for lamination
CN103899023A (en) * 2012-12-26 2014-07-02 湖南邱则有专利战略策划有限公司 Injection molded base plate

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CN1401869A (en) * 2002-10-05 2003-03-12 邱则有 Thin-wall form member for hollowing out concrete
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US4468911A (en) * 1982-02-12 1984-09-04 Andrew Daga System for forming structural concrete
SU1475792A1 (en) * 1985-03-18 1989-04-30 П.Н.Тимохин, Э.Д.Подлозный и В.И.Малихтарович Method of producing boards and panels of cedllular concrete
CN2160693Y (en) * 1993-03-20 1994-04-06 于少华 Shuttering member
JPH07269022A (en) * 1994-03-31 1995-10-17 Maeda Corp Beam construction
EP0884427A2 (en) * 1997-06-11 1998-12-16 Eduarda Fanha N. Ferreira Rebelo A better solution for the concrete boxes normally used in the fungiform pavements
CN2419292Y (en) * 2000-02-23 2001-02-14 梁军 Assembling building floor with low ribs
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CN1403667A (en) * 2002-10-25 2003-03-19 邱则有 Modular formwork members

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CN1242140C (en) 2006-02-15
CN1831265A (en) 2006-09-13
CN1831266A (en) 2006-09-13
CN100422457C (en) 2008-10-01
CN100420804C (en) 2008-09-24
CN1548685A (en) 2004-11-24

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