CN1348042A - Hollow floor slab with hidden and dense ribs - Google Patents

Hollow floor slab with hidden and dense ribs Download PDF

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Publication number
CN1348042A
CN1348042A CN 01139995 CN01139995A CN1348042A CN 1348042 A CN1348042 A CN 1348042A CN 01139995 CN01139995 CN 01139995 CN 01139995 A CN01139995 A CN 01139995A CN 1348042 A CN1348042 A CN 1348042A
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China
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hidden
base plate
floor slab
cavity template
hollow floor
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CN 01139995
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Chinese (zh)
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CN1162595C (en
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邱则有
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邱则有
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Priority to CNB011399953A priority Critical patent/CN1162595C/en
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Publication of CN1162595C publication Critical patent/CN1162595C/en
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Abstract

The floor slab includes bottom plate, hollow form board, in-situ steel bar reinforced concrete hidden ribs and in-situ steel bar reinforced concrete upper plate; and features that the structure bottom plate and hollow form board are connected to form polyhedral structure and that there are reinforcing ribs in the hollow form board. Owing to the structural bottom plate and hollow form board connected into one integral and the hollow form board with reinforcing ribs, the hollow member for the floor slab with hidden and dense ribs has high strength and rigidity and not easy to break, and the floor slab has simple structure, high strength, light weight and easy construction.

Description

A kind of hollow floor slab with hidden and dense ribs

(1) technical field

The present invention relates to a kind of hollow 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, make troubles, therefore develop a kind of novel hollow floor slab with hidden and dense ribs for being badly in need of to construction.

(3) summary of the invention

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

Solution of the present invention is improved on the prior art basis, include structure base plate, cavity template, cast in place reinforced bar concrete hidden rib, cast-in-situ reinforced concrete upper plate, it is characterized in that structure base plate and cavity template are connected to form polyhedral structure, have reinforcing rib on the cavity template.Like this, because structure base plate and cavity template connect to integral body on the prior art basis, and on the cavity template reinforcing rib is arranged, thereby hollow floor slab with hidden and dense ribs of the present invention improves greatly with the strength and stiffness of Cavity structural member, in carrying and work progress, be difficult for breaking, simultaneously, have simple in structure, characteristics such as watertightness good, in light weight, easy construction, solve 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.Because the thickness of slab of structure base plate is greater than the wall thickness of cavity template, and strength bar is arranged in structure base plate or the cavity template or strengthen net, therefore, whole cavity component strength height, stressed power transmission are more reasonable, and simple in structure, when being applied to cast-in-situ reinforced concrete hollow slab, the structure base plate can participate in stressed, and can hang the greater weight object, and structure base plate itself and in-situ deposited prefabricated bonding surface do not ftracture, can transmit the power of ribbed slab floor.

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, and fall to hang the object of constant weight safely.

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, improve the overall performance of cassette ceiling, prevent structure base plate and cast-in-place and prefabricated bonding surface cracking effectively, transmit the power of close rib cassette ceiling.

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.The bridging piece that stretches out can be used as the template of cast in place reinforced bar concrete hidden rib, makes easy construction.Interior puncture angle can form bigger cast in place reinforced bar concrete hidden 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, makes Cavity structural member more be difficult for breaking in carrying and work progress.

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.Can improve the adhesion stress between Cavity structural member and the cassette ceiling Cast-in-place concrete so better, improve the overall performance of hollow floor slab with hidden and dense ribs.

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.

Feature of the present invention also is in cavity template, the structure base plate enhancing carcass is arranged, and strengthening carcass be silk, muscle slender member, strengthen carcass silk, muscle and be random 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 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.Can improve the thermal and insulating performance of cassette ceiling so better.

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.

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.

Feature of the present invention is that also the appearance and size at the prefabricated cavity member on beam, post or wall limit is ascending gradually changing, and the thickness of slab of its structure base plate is descending gradually changing.Can increase near the cast-in-situ reinforced concrete thickness in beam, post or wall limit so effectively, improve the mechanical property of floor.

Feature of the present invention also be cavity template and structure base plate ways of connecting for gluedly is connected, is welded to connect, screw connects, iron wire connects, cutting ferrule connection or other connection.When for be welded to connect, during mode such as screw connection, 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, specifically can determine 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, positioning strip, posting, locating slot, locating ring, reference column, location iron wire, fastening screw.

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

Feature of the present invention also is in the cast in place reinforced bar concrete hidden rib reinforcing bar is arranged, and reinforcing bar is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member, and reinforcing bar is implied in the cast-in-place concrete hidden rib or with cast-in-place concrete hidden rib soffit and flushes.The stress performance of floor is better like this, is applicable to the large span floor structure.

Feature of the present invention also is in the cast in place reinforced bar concrete hidden rib prestressed reinforcement is arranged.The stress performance of floor is better like this, can prevent the generation of crackle effectively, is specially adapted to the large span floor structure.

Feature of the present invention also be the cold-rolled forming section reinforcing bar be C type, L type,  type, U type, Type, II type.

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.

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 0.1-0.59%, 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, and its structure base plate (1) is connected to form polyhedral structure with cavity template (2), and reinforcing rib (5) is arranged on cavity template (2).

Fig. 2 is the structural representation of embodiments of the invention 2, is the thickness of slab of structure base plate (1) wall thickness greater than cavity template (2), and reinforcing bar (6) and steel mesh reinforcement (7) are arranged in the structure base plate (1).

Fig. 3 is the structural representation of embodiments of the invention 3, is the thickness of slab of structure base plate (1) wall thickness greater than cavity template (2), and reinforcing bar (6) is arranged in the structure base plate (1).

Fig. 4 is the structural representation of embodiments of the invention 4, is the thickness of slab of structure base plate (1) wall thickness greater than cavity template (2), and gauze wire cloth (7) is arranged in the structure base plate (1).

Fig. 5 is the structural representation of embodiments of the invention 5, for structure base plate (1) has reinforcing rib (5).

Fig. 6 is the structural representation of embodiments of the invention 6, for structure base plate (1) has dew muscle (8) simultaneously and reveals net (9).

Fig. 7 is the structural representation of embodiments of the invention 7, and for structure base plate (1) is extended with bridging piece (10), its outer edge is a straight line.

Fig. 8 is the structural representation of embodiments of the invention 8, for contracting in the structure base plate (1) circular arc re-entrant angle (11) is arranged.

Fig. 9 is the structural representation of embodiments of the invention 9, for contracting in the structure base plate (1) back taper re-entrant angle (11) is arranged.

Figure 10 is the structural representation of embodiments of the invention 10, for the outer edge of structure base plate (1) is a curve.

Figure 11 is the structural representation of embodiments of the invention 11, for being superimposed with template (12) on the cavity template (2).

Figure 12 is the structural representation of embodiments of the invention 12, for the external surface of cavity template (2) is a plucking shape rough surface.

Figure 13 is the structural representation of embodiments of the invention 13, for the drag hook type locating structure (13) of anti-floating is arranged on the structure base plate (1).

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 (2).

Figure 15 is the structural representation of embodiments of the invention 15, for cavity template (2) is two layers of layer structure of arranging net and constituting.

Figure 16 is the structural representation of embodiments of the invention 16, and for the appearance and size of the prefabricated cavity member on beam limit from left to right becomes big gradually by little, its structure base plate (1) is by diminishing greatly gradually.

Figure 17 is the structural representation of embodiments of the invention 17, for the connected mode (14) between structure base plate (1) and the cavity template (2) for being welded to connect.

Figure 18 is the structural representation of embodiments of the invention 18, for structure base plate (1) is connected for screw with connected mode (14) between the cavity template (2).

Figure 19 is the structural representation of embodiments of the invention 19, for being useful on the bulk location thing (15) that is connected the location with cavity template (2) on the structure base plate (1).

Figure 20 is the structural representation of embodiments of the invention 20, for being useful on frame location, the location thing (15) that is connected the location with cavity template (2) on the structure base plate (1).

Figure 21 is the structural representation of embodiments of the invention 21, for cavity template (2) is to in-flanges evacuated mould plate, and is embedded with weldment (16) in structure base plate (1) and cavity template (2) relevant position.

Figure 22 is the structural representation of embodiments of the invention 22, is connected cutting ferrule (17) for being embedded with cavity template (2) relevant position at structure base plate (1).

Figure 23 is the structural representation of embodiments of the invention 23, for being embedded with I shape reinforcing bar (18) in the cast-in-place concrete hidden rib (3), and is implied in the cast-in-place concrete hidden rib (3).

Figure 24 is the structural representation of embodiments of the invention 24, for being embedded with prestressed reinforcement (19) in the cast-in-place concrete hidden rib (3).

Figure 25 is the structural representation of embodiments of the invention 25, for being embedded with U type cold-rolled forming section reinforcing bar (18) in the cast-in-place concrete hidden rib (3).

Figure 26 is the structural representation of embodiments of the invention 26, for the horizontal profile of cavity template (2) is shaped as square and the situation of partial, right angle shape indent is everywhere arranged.

Figure 27 is the structural representation of embodiments of the invention 27, for the horizontal profile of cavity template (2) is shaped as square and the situation of partial circle arc indent is everywhere arranged.

Figure 28 is the structural representation of embodiments of the invention 28, and for the reinforcing rib (5) of solid downward protruding thin wall type is arranged on the cavity template (2), and the thickness of slab of structure base plate is greater than the wall thickness of cavity template (2).

Figure 29 is the structural representation of embodiments of the invention 29, for being embedded with the sleeve pipe (20) of threading on the cavity template (2).

(5) specific embodiment

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

The present invention as shown in drawings, include structure base plate (1), cavity template (2), cast in place reinforced bar concrete hidden rib (3), cast-in-situ reinforced concrete upper plate (4), it is characterized in that structure base plate (1) and cavity template (2) are connected to form polyhedral structure, have reinforcing rib (5) on cavity template (2).As shown in Figure 1.

Feature of the present invention also is the wall thickness of the thickness of slab of structure base plate (1) greater than cavity template (2), strength bar (6) is arranged in cavity template (2) or structure base plate (1) or strengthen net (7) or both combinations, strength bar (6) is respectively reinforcing bar, prestressed reinforcement, steel wire, steel fibre, fibre, bundle or other strength bar, strengthens net (7) and is respectively that steel mesh reinforcement, gauze wire cloth, fleece, nonwoven are gluing arranges net or other strengthens cloth, net.Fig. 2 is the wall thickness of the thickness of slab of structure base plate (1) greater than cavity template (2), and reinforcing bar (6) and steel mesh reinforcement (7) are arranged in the structure base plate (1).Fig. 3 is the wall thickness of the thickness of slab of structure base plate (1) greater than cavity template (2), and reinforcing bar (6) and steel mesh reinforcement (7) are arranged in the structure base plate (1).Fig. 4 is the wall thickness of the thickness of slab of structure base plate (1) greater than cavity template (2), and gauze wire cloth (7) is arranged in the structure base plate (1).Figure 28 is the reinforcing rib (5) that solid downward protruding thin wall type is arranged on the cavity template (2), and the thickness of slab of structure base plate is greater than the wall thickness of cavity template (2).

Feature of the present invention is that also reinforcing rib (5) is arranged on the structure base plate (1).Fig. 5 has reinforcing rib (5) for structure base plate (1).

Feature of the present invention is that also reinforcing rib (5) on the cavity template (2) or structure base plate (1) or both have dew muscle (8) simultaneously, reveal net (9) or reveal bundle.Fig. 6 has dew muscle (8) simultaneously and reveals net (9) for structure base plate (1).

Feature of the present invention is also that structure base plate (1) flushes with the lateral surface of cavity template (2) or stretches out and constitutes bridging piece (10), or interior puncture angle (11), 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. 7 stretches out bridging piece (10) for structure base plate (1), and its outer edge is a straight line.Fig. 8 is the circular arc re-entrant angle (11) that contracts in the structure base plate (1).Fig. 9 is the back taper re-entrant angle (11) that contracts in the structure base plate (1).Figure 10 is a curve for the outer edge of structure base plate (1).

Feature of the present invention also is to be superimposed with the template (12) that is used for reinforcing rib (5) moulding simultaneously at the reinforcing rib (5) on the cavity template (2) or the reinforcing rib (5) on the structure base plate (1) or both.Figure 11 is superimposed with template (12) on the cavity template (2).

Feature of the present invention is that also the external surface of cavity template (2) is the rough surface of corrugated or dentation or plucking or other shape.Figure 12 is a plucking shape rough surface for the external surface of cavity template (2).

Feature of the present invention is that also structure base plate (1) has the tension locating structure (13) that connects template, and locating structure (13) is draw ring, drag hook, iron wire or other device.Figure 13 is for there being the drag hook type locating structure (13) of anti-floating on the structure base plate (1).

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

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 (2).Figure 14 all is filled with expanded perlite in the cavity of cavity template (2).

Feature of the present invention is that also cavity template (2) 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.Figure 15 is two layers of layer structure of arranging net and constituting for cavity template (2).

Feature of the present invention is that also the profile horizontal profile after structure base plate (1) and cavity template (2) 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 (1) flat shape and cavity template (2) horizontal profile shape are identical or different.As Fig. 1, Fig. 2 is square.Figure 26 is shaped as square and the situation of partial, right angle shape indent is everywhere arranged for the horizontal profile of cavity template (2).Figure 27 is shaped as square and the situation of partial circle arc indent is everywhere arranged for the horizontal profile of cavity template (2).

Feature of the present invention is that also the appearance and size at the prefabricated cavity member on beam, post or wall limit is ascending gradually changing, and the thickness of slab of its structure base plate (1) is descending gradually changing.Figure 16 is that the appearance and size of the prefabricated cavity member on beam limit from left to right becomes big gradually by little, and its structure base plate (1) is by diminishing greatly gradually.

Feature of the present invention also be cavity template (2) and structure base plate (1) ways of connecting (14) for gluedly is connected, is welded to connect, screw connects, iron wire connects, cutting ferrule connection or other connection.Figure 17 for the connected mode (14) between structure base plate (1) and the cavity template (2) for being welded to connect.To be structure base plate (1) be connected for screw with connected mode (14) between the cavity template (2) Figure 18.

Feature of the present invention also is to be useful on the structure base plate (2) the location thing (15) that is connected the location with cavity template (1).Figure 19 is for being useful on the bulk location thing (15) that is connected the location with cavity template (2) on the structure base plate (1).

Feature of the present invention is that also the location thing (15) on the structure base plate (1) is locating piece, positioning strip, posting, locating slot, locating ring, reference column, location iron wire, fastening screw.Figure 20 is for being useful on frame location, the location thing (15) that is connected the location with cavity template (2) on the structure base plate (1).

Feature of the present invention is that also cavity template (2) is for outward flanging or to the cavity template of in-flanges.Figure 21 is that cavity template (2) is to in-flanges evacuated mould plate, and is embedded with weldment (16) in structure base plate (1) and cavity template (2) relevant position.

Feature of the present invention also is to be embedded with weldment (16), to be connected cutting ferrule (17) or iron wire with the relevant position of structure base plate (1) in cavity template (2), perhaps is reserved with to connect to use hole.Figure 21 is embedded with weldment (16) for structure base plate (1) and cavity template (2) relevant position.Figure 22 is connected cutting ferrule (17) for being embedded with cavity template (2) relevant position at structure base plate (1).

Feature of the present invention is that also reinforcing bar (18) is arranged in cast in place reinforced bar concrete hidden rib (3), reinforcing bar (18) is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member, and reinforcing bar (18) is implied in the cast-in-place concrete hidden rib (3) or with cast-in-place concrete hidden rib (3) soffit and flushes.Figure 23 is embedded with I shape reinforcing bar (18) in the cast-in-place concrete hidden rib (3), and is implied in the cast-in-place concrete hidden rib (3).

Feature of the present invention is that also prestressed reinforcement (19) is arranged in cast in place reinforced bar concrete hidden rib (3).Figure 24 is embedded with prestressed reinforcement (19) in the cast-in-place concrete hidden rib (3).

Feature of the present invention also be cold-rolled forming section reinforcing bar (18) for C type, L type,  type, U type, Type, II type.Figure 25 is embedded with U type cold-rolled forming section reinforcing bar (18) in the cast-in-place concrete hidden rib (3).

The sleeve pipe (20) that feature of the present invention also is to be reserved with the hole of penetration pipe on the cavity template (2) or is embedded with threading.Figure 29 is for being embedded with the sleeve pipe (20) of threading on the cavity template (2).

During the invention process, earlier that Cavity structural member is prefabricated, as being that the fibrous cement paste of cementitious materials is made the cavity template (2) as the accompanying drawing required form earlier with alkali slag cement or sulphate aluminium cement, do structure base plate (1) with steel bar concrete or steel mesh reinforcement concrete then, at structure base plate (1) not before the setting and harden, cavity template (2) is placed on it, treats to be Cavity structural member behind the setting and harden; Also can go up pre-buried weldment (15) or be connected cutting ferrule (16) etc. with cavity template (2) at structure base plate (1) respectively, can connect in factory earlier, also can arrive the job site and connect again.At the construction field (site), Cavity structural member is placed on the bracing frame, ties the reinforcing bar of cast in place reinforced bar concrete hidden rib (3) and cast-in-situ reinforced concrete upper plate (4), build concrete, treat behind the concrete setting and harden that maintenance to regulation length of time, removes bracing frame and get final product.

Claims (22)

1, a kind of hollow floor slab with hidden and dense ribs, include base plate (1), cavity template (2), cast in place reinforced bar concrete hidden rib (3), cast-in-situ reinforced concrete upper flat plate (4), it is characterized in that structure base plate (1) and cavity template (2) are connected to form polyhedral structure, have reinforcing rib (5) on cavity template (2).
2, a kind of hollow 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 (1) greater than cavity template (2), strength bar (6) is arranged in cavity template (2) or structure base plate (1) or strengthen net (7) or both combinations, strength bar (6) is respectively reinforcing bar, prestressed reinforcement, steel wire, steel fibre, fibre, bundle or other strength bar, strengthens net (7) 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 (5) is arranged on the structure base plate (1) according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs.
4, a kind of hollow floor slab with hidden and dense ribs according to claim 2 is characterized in that reinforcing rib (5) on the cavity template (2) or structure base plate (1) or both have dew muscle (8) simultaneously, reveal net (9) or reveal bundle.
5, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, it is characterized in that structure base plate (1) flushes with the lateral surface of cavity template (2) or stretches out constitutes bridging piece (10), or interior puncture angle (11), 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 (12) that is used for reinforcing rib (5) moulding simultaneously at the reinforcing rib (5) on the cavity template (2) or the reinforcing rib (5) on the structure base plate (1) or both according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs.
7, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, the external surface that it is characterized in that cavity template (2) is the rough surface of corrugated or dentation or plucking or other shape.
8, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, it is characterized in that structure base plate (1) has the tension locating structure (13) that connects template, locating structure (13) is draw ring, drag hook, iron wire or other device.
9, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, it is characterized in that cavity template (2), structure base plate have the enhancing carcass in (1), 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.
10,, 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 (2) according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs.
11, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, it is characterized in that cavity template (2) 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.
12, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, it is characterized in that the profile horizontal profile after structure base plate (1) and cavity template (2) 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 (1) flat shape and cavity template (2) horizontal profile shape are identical or different.
13, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, it is characterized in that the appearance and size at the prefabricated cavity member on beam, post or wall limit is ascending gradually changing, the thickness of slab of its structure base plate (1) is descending gradually changing.
14, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, it is characterized in that cavity template (2) and structure base plate (1) ways of connecting (14) for gluedly is connected, is welded to connect, screw connects, iron wire connects, cutting ferrule connection or other connection.
15, a kind of hollow floor slab with hidden and dense ribs according to claim 14 is characterized in that being useful on the structure base plate (2) the location thing (15) that is connected the location with cavity template (1).
16, a kind of hollow floor slab with hidden and dense ribs according to claim 15 is characterized in that the location thing (15) on the structure base plate (1) is locating piece, positioning strip, posting, locating slot, locating ring, reference column, location iron wire, fastening screw.
17, a kind of hollow floor slab with hidden and dense ribs according to claim 14 is characterized in that cavity template (2) is for outward flanging or to the cavity template of in-flanges.
18, a kind of hollow floor slab with hidden and dense ribs according to claim 14 is characterized in that being embedded with weldment (16), being connected cutting ferrule (17) or iron wire with the relevant position of structure base plate (1) in cavity template (2), perhaps is reserved with to connect to use hole.
19, according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs, it is characterized in that reinforcing bar (18) is arranged in cast in place reinforced bar concrete hidden rib (3), reinforcing bar (18) is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member, and reinforcing bar (18) is implied in the cast-in-place concrete hidden rib (3) or with cast-in-place concrete hidden rib (3) soffit and flushes.
20,, it is characterized in that prestressed reinforcement (19) is arranged in cast in place reinforced bar concrete hidden rib (3) according to claim 1 or 2 described a kind of hollow floor slab with hidden and dense ribs.
21, a kind of hollow floor slab with hidden and dense ribs according to claim 19, it is characterized in that cold-rolled forming section reinforcing bar (18) for C type, L type,  type, U type, Type, II type.
22, according to claim 1 or 2 described a kind of cavity member for floor slab with hidden and dense ribs, the sleeve pipe (20) that it is characterized in that being reserved with the hole of penetration pipe on the cavity template (2) or be embedded with threading.
CNB011399953A 2001-11-23 2001-11-23 Hollow floor slab with hidden and dense ribs CN1162595C (en)

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CN1162595C CN1162595C (en) 2004-08-18

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CN100458056C (en) * 2003-05-06 2009-02-04 邱则有 Cast-in-situ concrete filled hollow mould and application thereof
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CN106639097A (en) * 2016-10-09 2017-05-10 北京崇建工程有限公司 Construction method for cast-in-situ reinforced concrete floor and floor structure

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