CN1112490C - Cavity member for floor slab with hidden and dense ribs - Google Patents

Cavity member for floor slab with hidden and dense ribs Download PDF

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Publication number
CN1112490C
CN1112490C CN 01139992 CN01139992A CN1112490C CN 1112490 C CN1112490 C CN 1112490C CN 01139992 CN01139992 CN 01139992 CN 01139992 A CN01139992 A CN 01139992A CN 1112490 C CN1112490 C CN 1112490C
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cavity
base plate
hidden
structure base
template
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CN 01139992
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Chinese (zh)
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CN1348040A (en
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邱则有
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邱则有
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Abstract

The present invention relates to a cavity component for hidden and dense rib floor slabs, which comprises a cavity mould plate (1) and a structural bottom plate (2), wherein the structural bottom plate (2) and the cavity mould plate (1) are connected to form a polyhedral structure, and reinforcing bars (3) are arranged on the cavity mould plate (1). In this way, due to the fact that the structural bottom plate (2) is added on the basis of the prior art, the cavity mould plate (1) and the structural bottom plate (2) are connected into a whole, and the reinforcing bars (3) are arranged on the cavity mould plate (1), the strength and the rigidity of the cavity component for hidden and dense rib floor slabs are greatly improved. Simultaneously, the present invention also has the characteristics of simple structure, good water tightness, light weight, easy construction and transportation, etc. The present invention is suitable for various hollow floor slabs, especially the hidden and dense rib floor slabs.

Description

A kind of cavity member for floor slab with hidden and dense ribs

(1) technical field

The present invention relates to a kind of cavity member for floor slab with hidden and dense ribs.

(2) background technology

Advantages such as at present, the building of brick mix structure and reinforced concrete structure major part adopts precast hollow slab as floor structure, and it is fast that this floor structure has speed of application, and cost is low.But, only use the cement mortar joint filling, thereby the globality of superstructure is poor, is unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur owing to firmly do not link between adjacent two precast hollow slabs.In order to address the above problem, a lot of building have adopted the method for Cast-in-place concrete floor (solid, hollow), though solved antidetonation and problems of crack, will use template in a large number during construction, have not only increased expense, and have slowed down speed of application, have prolonged the duration.Application number is " a kind of combination concrete rib floor structure " utility model patent of 00203695.9, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is placed at interval, on prefabricated plate, be fixed with formwork, be provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connects as one with dark rib.Though this floor structure can be saved a large amount of templates, accelerate construction progress, but because formwork is what to separate with prefabricated plate, and no girth member in the formwork, thereby the bulk strength of formwork and rigidity are relatively poor, be prone to the phenomenon that formwork breaks, therefore develop a kind of novel cavity member for floor slab with hidden and dense ribs and replace existing formwork for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of cavity member for floor slab with hidden and dense ribs, have simple in structure, characteristics such as intensity is high, in light weight, convenient construction and transport.

Solution of the present invention is improved on the basis of existing formwork, includes the cavity template, it is characterized in that also including the structure base plate, and structure base plate and cavity template are connected to form polyhedral structure, on the cavity template reinforcing rib are arranged.Like this, owing to increased the structure base plate on the prior art basis, cavity template and structure base plate link in aggregates, and on the cavity template reinforcing rib are arranged, and its reinforcing rib can connect cavity template top board and side plate, also can only be arranged on top board or side plate.The height of reinforcing rib, thickness reach whether configuration reinforcement can change setting by Structural Design Requirement.Thereby the strength and stiffness of cavity member for floor slab with hidden and dense ribs of the present invention are compared formwork and are improved greatly, simultaneously, have simple in structure, characteristics such as watertightness good, in light weight, convenient construction and transport, solved problems of the prior art, reached purpose of the present invention.

Feature of the present invention also is the wall thickness of the thickness of slab of structure base plate greater than the cavity template, strength bar is arranged in cavity template or structure base plate or strengthen net or both combinations, strength bar is respectively reinforcing bar, prestressed reinforcement, steel wire, steel fibre, fibre, bundle or other strength bar, strengthens net and is respectively that steel mesh reinforcement, gauze wire cloth, fleece, nonwoven are gluing arranges net or other strengthens cloth, net.These muscle, silk, net are respectively applied for different occasions, and the structure of formation, shape, local structure, loading characteristic are also just different, bear main active force as reinforcing bar, and silk, host will bear by-local forces what and the anticracking structure is used.Prestressed reinforcement can be given structure base plate precharge pressure, makes the structure base plate strength higher, and resistance to deformation and crack ability are stronger.Because cavity template and structure base plate have strength bar or strengthen net, therefore, whole member intensity height, stressed power transmission is more reasonable, and hangs the greater weight object, and its structure base plate does not ftracture.

Feature of the present invention also is on the structure base plate reinforcing rib is arranged.Can further improve the strength and stiffness of structure base plate like this, stressed preferably power transmission.The reinforcing rib shape, highly, thickness can be by the actual needs adjustment.

Feature of the present invention is that also reinforcing rib on the cavity template or structure base plate or both have the muscle of revealing simultaneously, reveal net or reveal bundle.Dew muscle or dew net can improve the adhesion stress between Cavity structural member and the Cast-in-place concrete better like this, prevent cast-in-place and prefabricated combination interface cracking effectively, help stressed power transmission of floor and cooperative bearing, dew muscle, dew net or the formed structure of dew bundle, shape are not finished identical with effect.

Feature of the present invention is that also the structure base plate flushes with the lateral surface of cavity template or stretches out the formation bridging piece, or interior puncture angle, stretch out or in contract partly for local or all, choose outward and in the back outer edge that contracts be straight line or curve or broken line.Like this, can prevent that stress is concentrated, eliminate the deficiency that straight line easily splits.The bridging piece that stretches out can be used as the template of cast-in-place close rib, makes easy construction.Interior puncture angle can form bigger cast-in-place close rib bottom, prevents cast-in-place and prefabricated bonding surface cracking, and prevents that Cavity structural member from coming off.

Feature of the present invention is that also reinforcing rib on reinforcing rib on the cavity template or structure base plate or both are superimposed with the template that is used for the reinforcing rib moulding simultaneously.Template can increase the strength and stiffness of Cavity structural member.

Feature of the present invention is that also the external surface of cavity template is the rough surface of corrugated or dentation or plucking or other shape.Like this, member can improve the adhesion stress between it and the concrete better when being applied to floor.

Feature of the present invention is that also the structure base plate has the tension locating structure that connects template, and locating structure is draw ring, drag hook, iron wire or other device.Locating structure can prevent effectively that Cavity structural member from floating when the floor concrete is poured into a mould.The characteristics of the shape of different positioners, structure, tension location are incomplete same.

Feature of the present invention also is in cavity template, the structure base plate enhancing carcass is arranged, and strengthening carcass is silk, muscle slender member.Strengthen carcass silk, muscle and be disorderly to or directed dispersed placement, rare close degree is variation or indeclinable.Strengthening carcass can further increase the intensity and the rigidity of Cavity structural member.

Feature of the present invention is that also reinforcing rib on the cavity template and the reinforcing bar in the structure base plate or steel mesh do not reveal muscle or do not reveal net, but is reserved with tie point.The contact of reserving can make things convenient for the connection of reinforcing bar or steel mesh, makes Cavity structural member and floor form integral body, is convenient to the carrying and the construction of Cavity structural member simultaneously.

Feature of the present invention also is to divide or all filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool at the cavity inside of cavity template.Cavity structural member has preferably insulation and heat insulation and sound insulation property like this, and the structure of different materials and effect, function are different, can select for use according to actual design.

Feature of the present invention is that also the cavity template is layer structure more than at least two layers, by one deck cementitious matter one deck cloth or net, again one deck cementitious matter one deck cloth or net again one deck cementitious matter etc. multilayer build-up is glued forms, cloth or net are at least more than one deck.Cementitious matter can be various types of cement, resin or organic or inorganic or mixture bonding adhesive, and also suitably admixture gathers materials or filler.

Feature of the present invention is that also the profile horizontal profile after structure base plate and the cavity form assembly is shaped as square, rectangle, circle, hexagon, inequilateral octagon or other shape, or the horizontal profile shape has the above local concave or convex in a place at least, the shape of same Cavity structural member varying level section, be of a size of identical or differently, structure base plate plane shape and evacuated mould plate level section shape are identical or different.Like this, can form structure, shape, stress performance Cavity structural member all inequality, select for use for various different engineerings.

Feature of the present invention is that also the appearance and size of prefabricated cavity member is ascending gradually changing; The thickness of slab of its structure base plate is descending gradually changing.This member is applicable to beam, post or wall limit, can increase near the cast-in-situ reinforced concrete in beam, post or wall limit and reckon the actual amount after a discount thickness, to improve the stress performance of floor and hogging moment area, forms different force transferring structure and system.

Feature of the present invention is that also cavity template and structure base plate ways of connecting are connected or are welded to connect or screw connects or iron wire connects or cutting ferrule connection or other connection for glued.When for be welded to connect, during mode such as the connection of Luo silk, iron wire connection, cutting ferrule connection, cavity template and structure base plate both can connect in factory, can connect at the construction field (site) again, can determine that specifically structure construction, shape, performance and processing method, effect that different connected modes forms are all different according to actual conditions.

Feature of the present invention also is to be useful on the structure base plate location thing that is connected the location with the cavity template.Produce with construction more convenient like this.

Feature of the present invention is that also the location thing on the structure base plate is locating piece or positioning strip or posting or locating slot or locating ring or reference column or location iron wire or fastening screw.Corresponding convenient the production and construction with the cavity template of these location things, the structure of these location things, shape are all different.

Feature of the present invention is that also the cavity template is an outward flanging or to the cavity template of in-flanges.So both be convenient to the cavity Template Location, and can have protected the edge of cavity template to avoid destroying again.

Feature of the present invention also is to be embedded with weldment with the relevant position of structure base plate, to be connected cutting ferrule or iron wire in the cavity template, perhaps is reserved with to connect to use hole.

The sleeve pipe that feature of the present invention also is to be reserved with the hole of penetration pipe on the cavity template or is embedded with threading.The layout of more convenient like this netting twine and construction.

Feature of the present invention is that also reinforcing rib is groove reinforcing rib or tongue reinforcing rib.

Feature of the present invention is that also the structure base plate is steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, polymer steel bar concrete or wire mesh mortar etc., the cementitious materials of cavity template is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and perhaps cavity template, structure base plate are made with same material or different materials.

When feature of the present invention was that also the structure base plate is steel bar concrete, each composition material weight of its concrete was cement 15-25%, sand 20-30%, stone 40-55%, UEA expansion agent 3-5%, FDN high efficiency water reducing agent 0.1-0.5%, PP fiber 0.01-1%, CS early strength admixture 0.1-0.5%, water is an amount of.

When feature of the present invention was that also the structure base plate is the wire mesh mortar moulding, each composition material weight of mortar was cement 20-40%, sand 60-70%, UEA expansion agent 3-5%, the efficient composite water-reducing agent 0.1-0.6% of XN, FC polypropylene complex emulsions 0-3%, CS early strength admixture 0.2-0.5%, water is an amount of.

(4) description of drawings

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

Fig. 2 is the structural representation of embodiments of the invention 2, for cavity template (1) has reinforcing steel bar (4), reinforcing steel bar net (5) is arranged in the structure base plate (2).

Fig. 3 is the structural representation of embodiments of the invention 3, for reinforcing rib (3) is arranged on the structure base plate (2).

Fig. 4 is the structural representation of embodiments of the invention 4, for reinforcing rib (3) on the cavity template (1) and structure base plate (2) have dew muscle (6) simultaneously.

Fig. 5 is the structural representation of embodiments of the invention 5, and for the reinforcing rib (3) on the cavity template (1) has dew net (7), structure base plate (2) has dew muscle (6).

Fig. 6 is the structural representation of embodiments of the invention 6, and for structure base plate (2) is extended with bridging piece (8), the outer edge of bridging piece (8) is a straight line.

Fig. 7 is the structural representation of embodiments of the invention 7, and for structure base plate (2) is extended with bridging piece (8), the outer edge of bridging piece (8) is a curve.

Fig. 8 is the structural representation of embodiments of the invention 8, for structure base plate (2) has interior puncture angle (9).

Fig. 9 is the structural representation of embodiments of the invention 9, for being superimposed with the template (10) that is used for reinforcing rib (3) moulding on the cavity template (1).

Figure 10 is the structural representation of embodiments of the invention 10, for the external surface of cavity template (1) is the rough surface of plucking shape.

Figure 11 is the structural representation of embodiments of the invention 11, and the draw-ring type locating structure (11) that connects template is arranged for structure base plate (2).

Figure 12 is the structural representation of embodiments of the invention 12, and the drag hook type locating structure (11) that connects template is arranged for structure base plate (2).

Figure 13 is the structural representation of embodiments of the invention 13, for reinforcing bar or steel mesh in reinforcing rib (3) on the cavity template (1) and the structure base plate (2) are reserved with tie point (12).

Figure 14 is the structural representation of embodiments of the invention 14, for all being filled with expanded perlite in the cavity of cavity template (1).

Figure 15 is the structural representation of embodiments of the invention 15, for cavity template (1) is two layers of layer structure of arranging net.

Figure 16 is the structural representation of embodiments of the invention 16, for the profile after structure base plate (2) and cavity template (1) combination is the hexagon bodily form.

Figure 17 is the structural representation of embodiments of the invention 17, for the profile after structure base plate (2) and cavity template (1) combination is the cylinder bodily form.

Figure 18 is the structural representation of embodiments of the invention 18, gradually changes for the appearance and size of Cavity structural member is from left to right ascending, and descending the gradually changing of thickness of slab of structure base plate (2).

Figure 19 is the structural representation of embodiments of the invention 19, for cavity template (1) is connected for the Luo silk with the connected mode (13) of structure base plate (2).

Figure 20 is the structural representation of embodiments of the invention 20, for the connected mode (13) of cavity template (1) and structure base plate (2) for being welded to connect.

Figure 21 is the structural representation of embodiments of the invention 21, for being useful on the bulk location thing (14) that cavity template (1) connects the location on the structure base plate (2).

Figure 22 is the structural representation of embodiments of the invention 22, for being useful on the positioning strip formula location thing (14) that cavity template (1) connects the location on the structure base plate (2).

Figure 23 is the structural representation of embodiments of the invention 23, is the cavity template of in-flanges for cavity template (1).

Figure 24 is the structural representation of embodiments of the invention 24, is connected cutting ferrule (16) for cavity template (1) is embedded with the relevant position of structure base plate (2).

Figure 25 is the structural representation of embodiments of the invention 25, for the relevant position of cavity template (1) and structure base plate (2) is embedded with weldment (15).

Figure 26 is the structural representation of embodiments of the invention 26, and for being embedded with the sleeve pipe (17) of threading on the cavity template (1), and its surperficial reinforcing rib is groove reinforcing rib (3).

Figure 27 is the structural representation of embodiments of the invention 27, and for being embedded with the sleeve pipe (17) of threading on the cavity template (1), and its surperficial reinforcing rib is tongue reinforcing rib (3).

(5) specific embodiment

The invention will be further described below in conjunction with drawings and Examples.

The present invention includes cavity template (1) as shown in drawings, it is characterized in that also including structure base plate (2), and structure base plate (2) is connected to form polyhedral structure with cavity template (1), and reinforcing rib (3) is arranged on cavity template (1).As shown in Figure 1, protruding solid reinforcing rib (3) is downwards arranged on its cavity template (1).

Feature of the present invention also is the wall thickness of the thickness of slab of structure base plate (2) greater than cavity template (1), strength bar (4) is arranged in cavity template (1) or structure base plate (2) or strengthen net (5) or both combinations, strength bar (4) is respectively reinforcing bar, prestressed reinforcement, steel wire, steel fibre, fibre, bundle or other strength bar, strengthens net (5) and is respectively that steel mesh reinforcement, gauze wire cloth, fleece, nonwoven are gluing arranges net or other strengthens cloth, net.Fig. 2 has reinforcing steel bar (4) for cavity template (1), and reinforcing steel bar net (5) is arranged in the structure base plate (2).

Feature of the present invention is that also reinforcing rib (3) is arranged on the structure base plate (2), as shown in Figure 3.Fig. 3 has reinforcing rib (3) on the structure base plate (2).

Feature of the present invention is that also reinforcing rib (3) on the cavity template (1) or structure base plate (2) or both have dew muscle (6) simultaneously, reveal net (7) or reveal bundle.Fig. 4 has dew muscle (6) simultaneously for reinforcing rib (3) on the cavity template (1) and structure base plate (2).Fig. 5 has dew net (7) for the reinforcing rib (3) on the cavity template (1), and structure base plate (2) has dew muscle (6).

Feature of the present invention is also that structure base plate (2) flushes with the lateral surface of cavity template (1) or stretches out and constitutes bridging piece (8), or interior puncture angle (9), stretch out or in contract partly for local or all, choose outward and in the back outer edge that contracts be straight line or curve or broken line.Fig. 6 is extended with bridging piece (8) for structure base plate (2), and the outer edge of bridging piece (8) is a straight line.Fig. 7 is extended with bridging piece (8) for structure base plate (2), and the outer edge of bridging piece (8) is a curve.Fig. 8 has interior puncture angle (9) for structure base plate (2).

Feature of the present invention also is to be superimposed with the template (10) that is used for reinforcing rib (3) moulding simultaneously at the reinforcing rib (3) on the cavity template (1) or the reinforcing rib (3) on the structure base plate (2) or both.Fig. 9 is superimposed with the template (10) that is used for reinforcing rib (3) moulding on the cavity template (1).

Feature of the present invention is that also the external surface of cavity template (1) is the rough surface of corrugated or dentation or plucking or other shape.Figure 10 is the rough surface of plucking shape for the external surface of cavity template (1).

Feature of the present invention is that also structure base plate (2) has the tension locating structure (11) that connects template, and locating structure (11) is draw ring, drag hook, iron wire or other device.Figure 11 has the draw-ring type locating structure (11) that connects template for structure base plate (2).Figure 12 has the drag hook type locating structure (11) that connects template for structure base plate (2).

Feature of the present invention is that also cavity template (1), structure base plate have the enhancing carcass in (2), and strengthening carcass is silk, muscle slender member.Strengthen carcass silk, muscle and be disorderly to or directed dispersed placement, rare close degree is variation or indeclinable.

Feature of the present invention is that also reinforcing rib (3) on the cavity template (1) and the reinforcing bar in the structure base plate (2) or steel mesh do not reveal muscle (6) or do not reveal net (7), but is reserved with tie point (12).Figure 13 is reserved with tie point (12) for reinforcing bar or steel mesh in reinforcing rib (3) on the cavity template (1) and the structure base plate (2).

Feature of the present invention also is to divide or all filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool at the cavity inside of cavity template (1).Figure 14 all is filled with expanded perlite in the cavity of cavity template (1).

Feature of the present invention also is cavity template (1) for the layer structure more than at least two layers, and by one deck cementitious matter one deck cloth or net, multilayer build-ups such as one deck cementitious matter one deck cloth or net are glued again forms.Figure 15 is two layers of layer structure of arranging net for cavity template (1).

Feature of the present invention is that also the profile horizontal profile after structure base plate (2) and cavity template (1) make up is shaped as square, rectangle, circle, hexagon, inequilateral octagon or other shape, or the horizontal profile shape has the above local concave or convex in a place at least, with the shape of Cavity structural member varying level section, be of a size of identical or differently, structure base plate (2) flat shape and cavity template (1) horizontal profile shape are identical or different.Fig. 1 to Figure 15 is that the profile after structure base plate (2) makes up with cavity template (1) is a cuboid.Figure 16 is that the profile after structure base plate (2) makes up with cavity template (1) is the hexagon bodily form.Figure 17 is that the profile after structure base plate (2) makes up with cavity template (1) is the cylinder bodily form.

Feature of the present invention is that also the appearance and size of prefabricated cavity member is ascending gradually changing; The thickness of slab of its structure base plate (2) is descending gradually changing.Figure 18 is from left to right ascending the gradually changing of appearance and size of Cavity structural member, and descending the gradually changing of thickness of slab of structure base plate (2).

Feature of the present invention is that also cavity template (1) and structure base plate (2) ways of connecting (13) are connected or are welded to connect or screw connects or iron wire connects or cutting ferrule connection or other connection for glued.Figure 19 is that cavity template (1) is connected for the Luo silk with the connected mode (13) of structure base plate (2).Figure 20 for the connected mode (13) of cavity template (1) and structure base plate (2) for being welded to connect.

Feature of the present invention also is to be useful on the structure base plate (2) the location thing (14) that is connected the location with cavity template (1).Figure 21 is for being useful on the bulk location thing (14) that cavity template (1) connects the location on the structure base plate (2).

Feature of the present invention is that also the location thing (14) on the structure base plate (2) is locating piece or positioning strip or posting or locating slot or locating ring or reference column or location iron wire or fastening screw.Figure 22 is for being useful on the positioning strip formula location thing (14) that cavity template (1) connects the location on the structure base plate (2).

Feature of the present invention is that also cavity template (1) is for outward flanging or to the cavity template (1) of in-flanges.Figure 23 is that cavity template (1) is the cavity template of in-flanges.

Feature of the present invention also is to be embedded with weldment (15), to be connected cutting ferrule (16) or iron wire with the relevant position of structure base plate (2) in cavity template (1), perhaps is reserved with to connect to use hole.Figure 24 is connected cutting ferrule (16) for cavity template (1) is embedded with the relevant position of structure base plate (2).Figure 25 is embedded with weldment (15) for the relevant position of cavity template (1) and structure base plate (2).Weldment, connection cutting ferrule or iron wire perhaps are reserved with to connect and use hole.

Feature of the present invention also is to be reserved with on the cavity template (1) hole of Wire channel in building or is embedded with the sleeve pipe (17) of wearing electric wire.

Feature of the present invention is that also reinforcing rib (3) is groove reinforcing rib (3) or tongue reinforcing rib (3).

Feature of the present invention is that also structure base plate (2) is steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, polymer steel bar concrete or wire mesh mortar etc., the cementitious materials of cavity template (1) is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and perhaps cavity template (1), structure base plate (2) are made with same material or different materials.

The sleeve pipe (17) that feature of the present invention also is to be reserved with the hole of penetration pipe on the cavity template (1) or is embedded with threading.Figure 26 is the sleeve pipe (17) that is embedded with threading on the cavity template (1), and its surperficial reinforcing rib is groove reinforcing rib (3).Figure 27 is the sleeve pipe (17) that is embedded with threading on the cavity template (1), and its surperficial reinforcing rib is tongue reinforcing rib (3).

Feature of the present invention is that also reinforcing rib (3) is groove reinforcing rib (3) or tongue reinforcing rib (3).As Figure 26, groove reinforcing rib (3) and the tongue reinforcing rib (3) of being respectively shown in Figure 27.

When feature of the present invention also was structure base plate (2) for steel bar concrete, each composition material weight of its concrete was cement 15-25%, sand 20-30%, stone 40-55%, UEA expansion agent 3-5%, FDN high efficiency water reducing agent 0.1-0.5%, PP fiber 0.01-1%, CS early strength admixture 0.1-0.5%, water is an amount of.

When feature of the present invention also is structure base plate (2) for the wire mesh mortar moulding, each composition material weight of mortar is cement 20-40%, sand 60-70%, UEA expansion agent 3-5%, the efficient composite water-reducing agent 0.1-0.6% of XN, FC polypropylene complex emulsions 0-3%, CS early strength admixture 0.2-0.5%, water is an amount of.

During the invention process, can be earlier be that the fibrous cement paste of cementitious materials is made the cavity template (1) as the accompanying drawing required form with alkali slag cement or sulphate aluminium cement, do structure base plate (2) with steel bar concrete or steel mesh reinforcement concrete then, at structure base plate (2) not before the setting and harden, cavity template (1) is placed on it, treats to be cavity member for floor slab with hidden and dense ribs behind the setting and harden.Also can go up pre-buried weldment (15) or be connected cutting ferrule (16) etc. with cavity template (1) at structure base plate (2) respectively, like this, both can connect, also can arrive the job site to connect, form Cavity structural member again in factory.

Claims (21)

1, a kind of cavity member for floor slab with hidden and dense ribs includes cavity template (1), it is characterized in that also including structure base plate (2), and structure base plate (2) is connected to form polyhedral structure with cavity template (1), and reinforcing rib (3) is arranged on cavity template (1).
2, a kind of cavity member for floor slab with hidden and dense ribs according to claim 1, it is characterized in that the wall thickness of the thickness of slab of structure base plate (2) greater than cavity template (1), strength bar (4) is arranged in cavity template (1) or structure base plate (2) or strengthen net (5) or both combinations, strength bar (4) is respectively reinforcing bar, prestressed reinforcement, steel wire, steel fibre, fibre, bundle or other strength bar, strengthens net (5) and is respectively that steel mesh reinforcement, gauze wire cloth, fleece, nonwoven are gluing arranges net or other strengthens cloth, net.
3,, it is characterized in that reinforcing rib (3) is arranged on the structure base plate (2) according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs.
4, a kind of cavity member for floor slab with hidden and dense ribs according to claim 2 is characterized in that reinforcing rib (3) on the cavity template (1) or structure base plate (2) or both have dew muscle (6) simultaneously, reveal net (7) or reveal bundle.
5, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, it is characterized in that structure base plate (2) flushes with the lateral surface of cavity template (1) or stretches out constitutes bridging piece (8), or interior puncture angle (9), stretch out or in contract partly for local or all, choose outward and in the back outer edge that contracts be straight line or curve or broken line.
6,, it is characterized in that being superimposed with the template (10) that is used for reinforcing rib (3) moulding simultaneously at the reinforcing rib (3) on the cavity template (1) or the reinforcing rib (3) on the structure base plate (2) or both according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs.
7, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, the external surface that it is characterized in that cavity template (1) is the rough surface of corrugated or dentation or plucking or other shape.
8, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, it is characterized in that structure base plate (2) has the tension locating structure (11) that connects template, locating structure (11) is draw ring, drag hook, iron wire or other device.
9, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, it is characterized in that cavity template (1), structure base plate have the enhancing carcass in (2), strengthening carcass is silk, muscle slender member.
10, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, it is characterized in that reinforcing rib (3) on the cavity template (1) and the reinforcing bar in the structure base plate (2) or steel mesh do not reveal muscle (6) or do not reveal net (7), but be reserved with tie point (12).
11,, it is characterized in that dividing or all filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool at the cavity inside of cavity template (1) according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs.
12, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, it is characterized in that cavity template (1) is the layer structure more than at least two layers, by one deck cementitious matter one deck cloth or net, one deck cementitious matter one deck cloth or net again, multilayer build-up such as one deck cementitious matter is glued again forms, and cloth or net are at least more than one deck.
13, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, it is characterized in that the profile horizontal profile after structure base plate (2) and cavity template (1) make up is shaped as square, rectangle, circle, hexagon, inequilateral octagon or other shape, or the horizontal profile shape has the above local concave or convex in a place at least, the shape of same Cavity structural member varying level section, be of a size of identical or differently, structure base plate (2) flat shape and cavity template (1) horizontal profile shape are identical or different.
14, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, the appearance and size that it is characterized in that prefabricated cavity member is ascending gradually changing; The thickness of slab of its structure base plate (2) is descending gradually changing.
15,, it is characterized in that cavity template (1) and structure base plate (2) ways of connecting (13) are connected or are welded to connect or screw connects or iron wire connects or cutting ferrule connection or other connection for glued according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs.
16, a kind of cavity member for floor slab with hidden and dense ribs according to claim 15 is characterized in that being useful on the structure base plate (2) the location thing (14) that is connected the location with cavity template (1).
17, a kind of cavity member for floor slab with hidden and dense ribs according to claim 16 is characterized in that the location thing (14) on the structure base plate (2) is locating piece or positioning strip or posting or locating slot or locating ring or reference column or location iron wire or fastening screw.
18, a kind of cavity member for floor slab with hidden and dense ribs according to claim 15 is characterized in that cavity template (1) is for outward flanging or to the cavity template (1) of in-flanges.
19, a kind of cavity member for floor slab with hidden and dense ribs according to claim 15 is characterized in that being embedded with weldment (15), being connected cutting ferrule (16) or iron wire with the relevant position of structure base plate (2) in cavity template (1), perhaps is reserved with to connect to use hole.
20, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, the sleeve pipe (17) that it is characterized in that being reserved with the hole of penetration pipe on the cavity template (1) or be embedded with threading.
21,, it is characterized in that reinforcing rib (3) is groove reinforcing rib (3) or tongue reinforcing rib (3) according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs.
CN 01139992 2001-11-23 2001-11-23 Cavity member for floor slab with hidden and dense ribs CN1112490C (en)

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CN 01139992 CN1112490C (en) 2001-11-23 2001-11-23 Cavity member for floor slab with hidden and dense ribs

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Application Number Priority Date Filing Date Title
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CN1112490C true CN1112490C (en) 2003-06-25

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