CN1348041A - Hollow floor slab of in-situ deposited steel bar reinforced concrete - Google Patents
Hollow floor slab of in-situ deposited steel bar reinforced concrete Download PDFInfo
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- CN1348041A CN1348041A CN 01139994 CN01139994A CN1348041A CN 1348041 A CN1348041 A CN 1348041A CN 01139994 CN01139994 CN 01139994 CN 01139994 A CN01139994 A CN 01139994A CN 1348041 A CN1348041 A CN 1348041A
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- cast
- reinforced concrete
- base plate
- peviform
- template
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 60
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 238000009416 shuttering Methods 0.000 claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 56
- 239000004567 concrete Substances 0.000 claims description 33
- 239000004744 fabric Substances 0.000 claims description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 230000002787 reinforcement Effects 0.000 claims description 23
- 210000003205 muscle Anatomy 0.000 claims description 21
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 12
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- 239000011490 mineral wool Substances 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 235000019362 perlite Nutrition 0.000 claims description 5
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- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
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- 238000004026 adhesive bonding Methods 0.000 claims description 3
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- 230000035515 penetration Effects 0.000 claims description 3
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- 238000005728 strengthening Methods 0.000 claims description 3
- 239000010455 vermiculite Substances 0.000 claims description 3
- 229910052902 vermiculite Inorganic materials 0.000 claims description 3
- 235000019354 vermiculite Nutrition 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 239000002585 base Substances 0.000 description 103
- 239000004568 cement Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
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- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
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- 239000011083 cement mortar Substances 0.000 description 3
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
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- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
Hollow floor slab of in-situ deposited steel bar reinforced concrete inlcudes in-situ steel bar reinforced concrete ribs and shuttering members, which are polyhedral structures by connecting basin like form board comprising peripheral side walls and upper base plate with lower base plate. It features that it has also in-situ deposited upper steel bar reinforced concrete plate, that the lower base plate of shuttering member serving also as structural bottom plate is thicker than the wall of the basin-like form board and is steel bar or wire reinforced, and that the basin-like form board is reinforced by various fiber. The hollow floor slab of in-situ deposited steel bar reinforced concrete has no crack between its structure bottom plate and prefabricated parts and can transfer the force of dense-rib floor board. In addition, it has high strength, simple structure, low cost and other advantages.
Description
(1) technical field
The present invention relates to a kind of cast-in-situ reinforced concrete hollow slab.
(2) background technology
Advantages such as at present, the building of brick mix structure and frame construction 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 globality 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.The patent No. is " shuttering member " utility model patent of 93206310.1, a kind of a kind of prefabricated noggin piece that is used for industry and the close rib cavity of civilian construction floor is disclosed, it by upper base, go to the bottom and sidewall constitutes, sidewall all around and upper base, the totally-enclosed cavity polyhedral structure of the formation of going to the bottom are provided with the integrated support intensity of ribs with the enhancement mode mould component in the die housing.During construction, by designing requirement, shuttering member is placed on the supporter of floor gap, reserve the certain clearance space between shuttering member, arrange reinforcing bar, and pour into a mould with cement, form the cast-in-situ reinforced concrete rib, shuttering member promptly constitutes all very smooth whole floor slab structure of upper and lower surface with the cast-in-situ reinforced concrete rib, shuttering member in floor be internal mold be again to fill supporting member, construction saves trouble, easy.But this shuttering member is because there is ribs inside, weight is heavier relatively, carrying is difficulty, when being subjected to vibrating load or alternation load action, be prone to crackle between lower shoe and the cast-in-situ reinforced concrete rib, and the wall thickness of polyhedral structure not by actual loading and use need the design, promptly going to the bottom thickness of slab should be greater than other wall thickness, be beneficial to when reality is used, the object of going to the bottom and to bear bigger flooring stress and hanging constant weight, do not ftracture as light fixture, ceiling fan, equipment, pipeline etc., therefore, develop a kind of novel cast-in-situ reinforced concrete hollow slab for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of cast-in-situ reinforced concrete hollow slab, has in-situ deposited prefabricated bonding surface and the structure base plate does not ftracture, base plate can transmit the characteristics such as power of ribbed slab floor, simultaneously, also has in light weight, characteristics such as intensity is high, simple in structure, easy construction.
Solution of the present invention is on the basis of existing technology, include the cast-in-situ reinforced concrete rib, shuttering member, the cavity polyhedral structure that peviform template that sidewall and upper plate constituted around shuttering member was served as reasons and lower shoe are formed by connecting, it is characterized in that also including the cast-in-situ reinforced concrete upper plate, the lower shoe of shuttering member is the structure base plate, the thickness of slab of structure base plate is greater than the wall thickness of peviform template, reinforcing bar or prestressed reinforcement are arranged in the structure base plate, steel mesh reinforcement or gauze wire cloth or two or more combinations have the aramid fiber glass fiber mesh in the peviform template, cloth, fibrous mesh cloth, gauze wire cloth, fibre nonwoven or fiber bundle or two or more combinations.Simultaneously, because the thickness of slab of structure base plate is greater than the wall thickness of peviform template, and reinforcing bar, steel mesh reinforcement etc. are arranged in the structure base plate, aramid fiber glass fiber mesh, cloth etc. are arranged in the peviform template, therefore, whole shuttering member intensity 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, and can transmit the power of ribbed slab floor, simultaneously, owing to there is not reinforcing rib, thereby the more existing shuttering member of weight is lighter, is convenient to carrying and construction, thereby has reached purpose of the present invention.
Feature of the present invention also is on the peviform template reinforcing rib is arranged, and reinforcing rib is solid, hollow or fluted body.The strength and stiffness of peviform template are better like this, are difficult for breaking in carrying and the work progress.
Feature of the present invention also is dew muscle or the dew net that the structure base plate has reinforcing bar or prestressed reinforcement, steel mesh reinforcement or gauze wire cloth to stretch out.Reveal muscle like this or reveal net and can form integral body with the Cast-in-place concrete bonding better, improve overall performance, prevent structure base plate and cast-in-place and prefabricated bonding surface cracking effectively, transmit the power of ribbed slab floor.
Feature of the present invention is that also the structure base plate stretches out the formation bridging piece from the sidewall of peviform template, and the outer edge of the bridging piece that stretches out is straight line or curve or broken line.Bridging piece can be used as the stay in place formwork of cast-in-place close rib, and can prevent that to a certain extent the interface is in conjunction with the crack.
Feature of the present invention is that also the peripheral side of structure base plate is interior puncture dihedral, back taper, waveform, zigzag side.Can make the bonding between structure base plate and the Cast-in-place concrete better like this, improve overall performance, prevent effectively and disperse between formwork and the Cast-in-place concrete stress to concentrate, eliminate straight slit.
Feature of the present invention is that also the external surface of peviform template is the rough surface of corrugated or dentation or plucking or other shape.Can improve the adhesion stress between shuttering member and the cassette ceiling Cast-in-place concrete so better, improve the overall performance of cast-in-situ reinforced concrete hollow slab.
Feature of the present invention also is the peviform template 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.
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 uniform hole is arranged on the structure base plate, constitutes porose reinforcing rib grid base plate.This formwork be applicable to top board have the grid requirement decorative applications, noise reduction and minimizing echo occasion or be convenient to pipeline and pass.
Feature of the present invention also is to have on the structure base plate tightening position that pulls down that connects the construction bottom die plate to construct, and locating structure is draw ring, drag hook, iron wire or other device.Locating structure can prevent effectively that shuttering member from floating when concrete is poured into a mould.
Feature of the present invention also is in the cavity of peviform template partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool.Can improve the thermal and insulating performance of floor so better.
Feature of the present invention is that also the profile horizontal profile after structure base plate and the peviform 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 basin-shaped molds plate level section shape are identical or different.The structure base plate can be square, rectangle, circle, hexagon or other shape, and the profile of peviform template can be the back taper bodily form, cuboid, the positive cone bodily form or other shape.
Feature of the present invention is that also the appearance and size at the shuttering member on beam, post or wall limit is ascending gradually changing, and the thickness of slab of structure base plate carries out the transition to the other end from large to small gradually.Can increase near the cast-in-situ reinforced concrete thickness in beam, post or wall limit so effectively, improve stress performance.
Feature of the present invention is that also peviform template, structure base plate have the enhancing carcass, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, strengthen carcass silk, muscle and be disorderly to or directed dispersed placement, the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is variation or indeclinable.
Feature of the present invention also be peviform 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, peviform 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 peviform 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 peviform template is an outward flanging or to the peviform template of in-flanges.The peviform template has flanging or in-flanges, both has been convenient to the peviform Template Location, can protect the edge of peviform 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 peviform template, perhaps is reserved with to connect to use hole.
Feature of the present invention also is in the cast-in-situ reinforced concrete 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 rib or with Cast-in-place concrete 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-situ reinforced concrete rib prestressed reinforcement is arranged.The stress performance of superstructure 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 peviform 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 peviform 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 peviform template, structure base plate are made with same material or different materials.
When feature of the present invention is that also the structure base plate is steel bar concrete, each composition material weight of its concrete is 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 is that also the structure base plate is 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.
Four, description of drawings
Fig. 1 is the structural representation of embodiments of the invention 1, and the thickness of slab of its structure base plate (4) has reinforcing bar (6) and steel mesh reinforcement (7) simultaneously greater than the wall thickness of peviform template (3) in the structure base plate (4).
Fig. 2 is the structural representation of embodiments of the invention 2, for solid convex reinforcing rib (8) is arranged on the peviform template (3).
Fig. 3 is the structural representation of embodiments of the invention 3, goes up the convex reinforcing rib (8) of fluted type for peviform template (3).
Fig. 4 is the structural representation of embodiments of the invention 4, goes up the downward protruding reinforcing rib (8) of fluted type for peviform template (3).
Fig. 5 is the structural representation of embodiments of the invention 5, for solid downward protruding reinforcing rib (8) is arranged on the peviform template (3).
Fig. 6 is the structural representation of embodiments of the invention 6, for structure base plate (4) has dew muscle (9) and reveals net (10).
Fig. 7 is the structural representation of embodiments of the invention 7, and for structure base plate (4) is extended with bridging piece (11), the outer edge of bridging piece (11) is a straight line.
Fig. 8 is the structural representation of embodiments of the invention 8, for the peripheral side (12) of structure base plate (4) is interior puncture dihedral side.
Fig. 9 is the structural representation of embodiments of the invention 9, for the peripheral side (12) of structure base plate (4) is the back taper side.
Figure 10 is the structural representation of embodiments of the invention 10, for the peripheral side (12) of structure base plate (4) is the waveform side.
Figure 11 is the structural representation of embodiments of the invention 11, for the peripheral side (12) of structure base plate (4) is the zigzag side.
Figure 12 is the structural representation of embodiments of the invention 12, for the external surface of peviform template (3) is the waveform rough surface.
Figure 13 is the structural representation of embodiments of the invention 13, is two layers layer structure for peviform template (3).
Figure 14 is the structural representation of embodiments of the invention 14, for reinforcing rib (13) is arranged on the structure base plate (4).
Figure 15 is the structural representation of embodiments of the invention 15, for the reinforcing rib grid base plate of uniform circular hole (14) is arranged on the structure base plate (4).
Figure 16 is the structural representation of embodiments of the invention 16, for the reinforcing rib grid base plate of uniform square hole (14) is arranged on the structure base plate (4).
Figure 17 is the structural representation of embodiments of the invention 17, for drag hook type locating structure (15) is arranged on the structure base plate (4).
Figure 18 is the structural representation of embodiments of the invention 18, for all being filled with expanded perlite in the cavity of peviform template (3).
Figure 19 is the structural representation of embodiments of the invention 19, for the profile of the shuttering member (2) after the combination of structure base plate (4) and peviform template (3) is the back taper bodily form.
Figure 20 is the structural representation of embodiments of the invention 20, and for the appearance and size near the shuttering member (2) of beam is ascending gradually changing, the thickness of slab of structure base plate (4) carries out the transition to the other end from large to small gradually.
Figure 21 is the structural representation of embodiments of the invention 21, between peviform template (3) and the structure base plate (4) for being welded to connect, and be embedded with weldment (17) in the relevant position.
Figure 22 is the structural representation of embodiments of the invention 22, for being useful on the bulk location thing (16) that is connected the location with peviform template (1) on the structure base plate (4).
Figure 23 is the structural representation of embodiments of the invention 23, for being useful on the strip posting (16) that is connected the location with peviform template (1) on the structure base plate (4).
Figure 24 is the structural representation of embodiments of the invention 24, for being useful on the fastening screw (16) that is connected the location with peviform template (1) on the structure base plate (4).
Figure 25 is the structural representation of embodiments of the invention 25, is the peviform template of in-flanges formula for peviform template (3).
Figure 26 is the structural representation of embodiments of the invention 26, is connected cutting ferrule (18) for being embedded with the relevant position of structure base plate (4) in peviform template (3).
Figure 27 is the structural representation of embodiments of the invention 27, for I shape reinforcing bar (19) is arranged in cast-in-situ reinforced concrete rib (1), and is implied in the Cast-in-place concrete rib (1).
Figure 28 is the structural representation of embodiments of the invention 28, for prestressed reinforcement (20) is arranged in cast-in-situ reinforced concrete rib (1).
Figure 29 is the structural representation of embodiments of the invention 29, for U type cold-rolled forming section reinforcing bar (19) is arranged in cast-in-situ reinforced concrete rib (1).
Figure 30 is the structural representation of embodiments of the invention 30, for the horizontal profile of peviform template (3) is shaped as square, and the situation of partial, right angle shape indent is everywhere arranged.
Figure 31 is the structural representation of embodiments of the invention 31, for the reinforcing rib (8) of solid downward protruding thin type is arranged on the peviform template (3).
Figure 32 is the structural representation of embodiments of the invention 32, for being embedded with the sleeve pipe (21) of threading on the peviform template (3).
(5) embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, include cast-in-situ reinforced concrete rib (1), shuttering member (2), the cavity polyhedral structure that peviform template (3) that sidewall and upper plate constituted around shuttering member (2) was served as reasons and lower shoe (4) are formed by connecting, it is characterized in that also including cast-in-situ reinforced concrete upper plate (5), the lower shoe (4) of shuttering member (2) is structure base plate (4), the thickness of slab of structure base plate (4) is greater than the wall thickness of peviform template (3), reinforcing bar or prestressed reinforcement (6) are arranged in the structure base plate (4), steel mesh reinforcement or gauze wire cloth (7) or two or more combinations, the peviform template has the aramid fiber glass fiber mesh in (3), cloth, fibrous mesh cloth, gauze wire cloth, fibre nonwoven or fiber bundle or two or more combinations.Fig. 1 is the wall thickness of the thickness of slab of structure base plate (4) greater than peviform template (3), and reinforcing bar (6) and steel mesh reinforcement (7) are arranged in the structure base plate (4) simultaneously.
Feature of the present invention is that also reinforcing rib (8) is arranged on the peviform template (3), and reinforcing rib (8) is solid, hollow or fluted body.Fig. 2 has solid convex reinforcing rib (8) on the peviform template (3).Fig. 3 is the convex reinforcing rib (8) that peviform template (3) goes up fluted type.Fig. 4 is the downward protruding reinforcing rib (8) that peviform template (3) goes up fluted type.Fig. 5 has solid downward protruding reinforcing rib (8) on the peviform template (3).Figure 31 is for there being the reinforcing rib (8) of solid downward protruding thin type on the peviform template (3).
Feature of the present invention also is dew muscle (9) or the dew net (10) that structure base plate (4) has reinforcing bar or prestressed reinforcement (6), steel mesh reinforcement or gauze wire cloth (7) to stretch out.Fig. 6 has dew muscle (9) and reveals net (10) for structure base plate (4).
Feature of the present invention is that also structure base plate (4) stretches out formation bridging piece (11) from the sidewall of peviform template (3), and the outer edge of the bridging piece that stretches out (11) is straight line or curve or broken line.Fig. 7 is extended with bridging piece (11) for structure base plate (4), and the outer edge of bridging piece (11) is a straight line.
Feature of the present invention is that also the peripheral side (12) of structure base plate (4) is interior puncture dihedral, back taper, waveform, zigzag side.Fig. 8 is that the peripheral side (12) of structure base plate (4) is interior puncture dihedral side.Fig. 9 is that the peripheral side (12) of structure base plate (4) is the back taper side.Figure 10 is that the peripheral side (12) of structure base plate (4) is the waveform side.Figure 11 is that the peripheral side (12) of structure base plate (4) is the zigzag side.
Feature of the present invention is that also the external surface of peviform template (3) is the rough surface of corrugated or dentation or plucking or other shape.Figure 12 is the waveform rough surface for the external surface of peviform template (3).
Feature of the present invention also is peviform template (3) 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 13 is two layers layer structure for peviform template (3).
Feature of the present invention is that also reinforcing rib (13) is arranged on the structure base plate (4).Figure 14 has reinforcing rib (13) on the structure base plate (4).
Feature of the present invention is that also uniform hole (14) is arranged on the structure base plate (4), constitutes porose reinforcing rib grid base plate.Figure 15 is for there being the reinforcing rib grid base plate of uniform circular hole (14) on the structure base plate (4).Figure 16 is for there being the reinforcing rib grid base plate of uniform square hole (14) on the structure base plate (4).
Feature of the present invention also is to have on the structure base plate (4) the tightening position that pulls down that connects the construction bottom die plate to construct (15), and locating structure (15) is draw ring, drag hook, iron wire or other device.Figure 17 has drag hook type locating structure (15) on the structure base plate (4).
Feature of the present invention also is in the cavity of peviform template (3) partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool.Figure 18 all is filled with expanded perlite in the cavity of peviform template (3).
Feature of the present invention is that also the profile horizontal profile after structure base plate (4) and peviform template (3) 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 (4) flat shape and peviform template (3) horizontal profile shape are identical or different.Figure 19 is that the profile of the shuttering member (2) after structure base plate (4) makes up with peviform template (3) is the back taper bodily form.Can effectively prevent the generation of crackle and coming off of shuttering member (2).Figure 30 is shaped as square for the horizontal profile of peviform template (3), and the situation of partial, right angle shape indent is everywhere arranged.
Feature of the present invention is that also the appearance and size at the shuttering member (2) on beam, post or wall limit is ascending gradually changing, and the thickness of slab of structure base plate (4) carries out the transition to the other end from large to small gradually.Figure 20 is ascending gradually changing for the appearance and size of the shuttering member (2) of close beam, and the thickness of slab of structure base plate (4) carries out the transition to the other end from large to small gradually.
Feature of the present invention is that also peviform template (3), structure base plate (4) have the enhancing carcass, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, strengthen carcass silk, muscle and be disorderly to or directed dispersed placement, the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is variation or indeclinable.
Feature of the present invention also be peviform template (3) and structure base plate (4) ways of connecting for gluedly is connected, is welded to connect, screw connects, iron wire connects, cutting ferrule connection or other connection.Fig. 1 to Figure 20 is glued connected mode.Figure 21 between peviform template (3) and the structure base plate (4) for being welded to connect, and be embedded with weldment (17) in the relevant position.
Feature of the present invention also is to be useful on the structure base plate (4) the location thing (16) that is connected the location with peviform template (1).Figure 22 is for being useful on the bulk location thing (16) that is connected the location with peviform template (1) on the structure base plate (4).
Feature of the present invention is that also the location thing (16) on the structure base plate (2) is locating piece, positioning strip, posting, locating slot, locating ring, reference column, location iron wire, fastening screw.Figure 23 is for being useful on the strip posting (16) that is connected the location with peviform template (1) on the structure base plate (4).Figure 24 is for being useful on the fastening screw (16) that is connected the location with peviform template (1) on the structure base plate (4).
Feature of the present invention is that also peviform template (3) is for outward flanging or to the peviform template (3) of in-flanges.Figure 25 is that peviform template (3) is the peviform template of in-flanges formula.
Feature of the present invention also is to be embedded with weldment (17), to be connected cutting ferrule (18) or iron wire with the relevant position of structure base plate (4) in peviform template (3), perhaps is reserved with to connect to use hole.Figure 21, Figure 22, Figure 23, Figure 25 are embedded with weldment (17) for the relevant position at peviform template (3) and structure base plate (4).Figure 26 is connected cutting ferrule (18) for being embedded with the relevant position of structure base plate (4) in peviform template (3).
Feature of the present invention is that also reinforcing bar (19) is arranged in cast-in-situ reinforced concrete rib (1), reinforcing bar (19) is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member, and reinforcing bar (19) is implied in the Cast-in-place concrete rib (1) or with Cast-in-place concrete rib (1) soffit and flushes.Figure 27 is for there to be I shape reinforcing bar (19) in cast-in-situ reinforced concrete rib (1), and is implied in the Cast-in-place concrete rib (1).
Feature of the present invention is that also prestressed reinforcement (20) is arranged in cast-in-situ reinforced concrete rib (1).Figure 28 is for there being prestressed reinforcement (20) in cast-in-situ reinforced concrete rib (1).
Feature of the present invention also be cold-rolled forming section reinforcing bar (19) for C type, L type, type, U type,
Type, II type.Figure 29 is for there being U type cold-rolled forming section reinforcing bar (19) in cast-in-situ reinforced concrete rib (1).
The sleeve pipe (21) that feature of the present invention also is to be reserved with the hole of penetration pipe on the peviform template (3) or is embedded with threading.Figure 32 is for being embedded with the sleeve pipe (21) of threading on the peviform template (3).
Feature of the present invention is that also structure base plate (4) 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 peviform template (3) 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 peviform template (3), structure base plate (4) are made with same material or different materials.
When feature of the present invention also is structure base plate (4) for steel bar concrete, each composition material weight of its concrete is 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 (4) 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, earlier that shuttering member (2) is prefabricated, as being that the fibrous cement paste of cementitious materials is made the peviform template (3) as the accompanying drawing required form earlier with alkali slag cement or sulphate aluminium cement, do structure base plate (4) with steel bar concrete or steel mesh reinforcement concrete then, at structure base plate (4) not before the setting and harden, peviform template (3) is placed on it, treats to be shuttering member (2) behind the setting and harden; Also can be respectively go up pre-buried weldment (17) or be connected cutting ferrule (18) etc., both can connect and also can arrive the job site and connect again in factory at structure base plate (4) and peviform formwork (3).To the job site shuttering member (2) is placed on the bracing frame, ties the reinforcing bar of cast-in-situ reinforced concrete rib (1) and cast-in-situ reinforced concrete upper plate (5), build concrete, treat behind the concrete setting and harden maintenance, remove to support and get final product to regulation length of time.
Claims (23)
1, a kind of cast-in-situ reinforced concrete hollow slab, include cast-in-situ reinforced concrete rib (1), shuttering member (2), the cavity polyhedral structure that peviform template (3) that sidewall and upper plate constituted around shuttering member (2) was served as reasons and lower shoe (4) are formed by connecting, it is characterized in that also including cast-in-situ reinforced concrete upper plate (5), the lower shoe (4) of shuttering member (2) is structure base plate (4), the thickness of slab of structure base plate (4) is greater than the wall thickness of peviform template (3), reinforcing bar or prestressed reinforcement (6) are arranged in the structure base plate (4), steel mesh reinforcement or gauze wire cloth (7) or two or more combinations, the peviform template has the aramid fiber glass fiber mesh in (3), cloth, fibrous mesh cloth, gauze wire cloth, fibre nonwoven or fiber bundle or two or more combinations.
2, a kind of cast-in-situ reinforced concrete hollow slab according to claim 1 is characterized in that reinforcing rib (8) is arranged on the peviform template (3), and reinforcing rib (8) is solid, hollow or fluted body.
3, a kind of cast-in-situ reinforced concrete hollow slab according to claim 1 is characterized in that dew muscle (9) or dew net (10) that structure base plate (4) has reinforcing bar or prestressed reinforcement (6), steel mesh reinforcement or gauze wire cloth (7) to stretch out.
4, according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, it is characterized in that structure base plate (4) stretches out formation bridging piece (11) from the sidewall of peviform template (3), the outer edge of the bridging piece that stretches out (11) is straight line or curve or broken line.
5,, it is characterized in that the peripheral side (12) of structure base plate (4) is interior puncture dihedral, back taper, waveform, zigzag side according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs.
6, according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, the external surface that it is characterized in that peviform template (3) is the rough surface of corrugated or dentation or plucking or other shape.
7, according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, it is characterized in that peviform template (3) is the layer structure more than at least two layers, 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.
8,, it is characterized in that reinforcing rib (13) is arranged on the structure base plate (4) according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs.
9, a kind of cast-in-situ reinforced concrete hollow slab according to claim 8 is characterized in that uniform hole (14) is arranged on the structure base plate (4), constitutes porose reinforcing rib grid base plate.
10, according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, it is characterized in that having on the structure base plate (4) the tightening position that pulls down that connects the construction bottom die plate to construct (15), locating structure (15) is draw ring, drag hook, iron wire or other device.
11,, it is characterized in that in the cavity of peviform template (3) partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs.
12, according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, it is characterized in that the profile horizontal profile after structure base plate (4) and peviform template (3) 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 (4) flat shape and peviform template (3) horizontal profile shape are identical or different.
13, according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, it is characterized in that the appearance and size at the shuttering member (2) on beam, post or wall limit is ascending gradually changing, the thickness of slab of structure base plate (4) carries out the transition to the other end from large to small gradually.
14, according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, it is characterized in that peviform template (3), structure base plate (4) have the enhancing carcass, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, strengthen carcass silk, muscle and be disorderly to or directed dispersed placement, the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is variation or indeclinable.
15, according to claim l, 2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, it is characterized in that peviform template (3) and structure base plate (4) ways of connecting for gluedly is connected, is welded to connect, screw connects, iron wire connects, cutting ferrule connection or other connection.
16, a kind of cast-in-situ reinforced concrete hollow slab according to claim 15 is characterized in that being useful on the structure base plate (4) the location thing (16) that is connected the location with peviform template (3).
17, a kind of cast-in-situ reinforced concrete hollow slab according to claim 16 is characterized in that the location thing (16) on the structure base plate (2) is locating piece, positioning strip, posting, locating slot, locating ring, reference column, location iron wire, fastening screw.
18, a kind of cast-in-situ reinforced concrete hollow slab according to claim 17 is characterized in that peviform template (3) is for outward flanging or to the peviform template (3) of in-flanges.
19, a kind of cast-in-situ reinforced concrete hollow slab according to claim 15 is characterized in that being embedded with weldment (17), being connected cutting ferrule (18) or iron wire with the relevant position of structure base plate (4) in peviform template (3), perhaps is reserved with to connect to use hole.
20, according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs, it is characterized in that reinforcing bar (19) is arranged in cast-in-situ reinforced concrete rib (1), reinforcing bar (19) is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member, and reinforcing bar (19) is implied in the Cast-in-place concrete rib (1) or with Cast-in-place concrete rib (1) soffit and flushes.
21,, it is characterized in that prestressed reinforcement (20) is arranged in cast-in-situ reinforced concrete rib (1) according to claim 1,2 or 3 described a kind of cast-in-situ reinforced concrete hollow slabs.
22, a kind of cast-in-situ reinforced concrete hollow slab according to claim 20, it is characterized in that cold-rolled forming section reinforcing bar (19) for C type, L type, type, U type,
Type, II type.
23, according to claim 1 or 2 described a kind of cast-in-situ reinforced concrete hollow slabs, the sleeve pipe (21) that it is characterized in that being reserved with the hole of penetration pipe on the peviform template (3) or be embedded with threading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011399945A CN1141474C (en) | 2001-11-23 | 2001-11-23 | Hollow floor slab of in-situ deposited steel bar reinforced concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011399945A CN1141474C (en) | 2001-11-23 | 2001-11-23 | Hollow floor slab of in-situ deposited steel bar reinforced concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1348041A true CN1348041A (en) | 2002-05-08 |
| CN1141474C CN1141474C (en) | 2004-03-10 |
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ID=4675583
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011399945A Expired - Lifetime CN1141474C (en) | 2001-11-23 | 2001-11-23 | Hollow floor slab of in-situ deposited steel bar reinforced concrete |
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| CN (1) | CN1141474C (en) |
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