CN1804290A - Reinforced concrete hollow slab - Google Patents
Reinforced concrete hollow slab Download PDFInfo
- Publication number
- CN1804290A CN1804290A CN 200510006980 CN200510006980A CN1804290A CN 1804290 A CN1804290 A CN 1804290A CN 200510006980 CN200510006980 CN 200510006980 CN 200510006980 A CN200510006980 A CN 200510006980A CN 1804290 A CN1804290 A CN 1804290A
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- Prior art keywords
- former component
- cavity former
- cast
- concrete hollow
- sidewall
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- 239000011150 reinforced concrete Substances 0.000 title claims description 19
- 239000004567 concrete Substances 0.000 claims abstract description 123
- 238000011065 in-situ storage Methods 0.000 claims abstract description 50
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 29
- 238000009416 shuttering Methods 0.000 abstract description 24
- 230000002093 peripheral effect Effects 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- -1 nonwoven Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Disclosed is a reinforced-bar concrete hollow slab, which comprises a reinforced-bar concrete (1) and hollow shuttering members (2), the hollow shuttering member (2) are enclosed in the reinforced-bar concrete (1), the hollow shuttering members (2) are arranged alternatively, a cast-in-situ reinforced-bar concrete rib (3) is arranged between them, the hollow shuttering members (2) comprise an upper board (4), the peripheral side panels (5), and a lower bottom (6), the upper board (4), the peripheral side panels (5), and the lower bottom (6) enclose a polyhedral hollow shuttering member (2), the lower bottom (6) projects from at least one of the peripheral side panels (5) to form a cantilever slab (7), the floor of the lower bottom (6) is aligned with the floor of the cast-in-situ reinforced-bar hollow slab, the invention is characterized in that at least a prestressed rib (6) is provided on the lower bottom (6). As a result, the reinforced-bar concrete hollow slab has the advantages of good mechanic property, high intensity, and convenient construction. The invention can be applied to cast-in-situ reinforced-bar concrete hollow slabs, storied building covers, house roofings, walls, foundation bedplates and hollow bridges, especially for hollow flat slabs.
Description
(1) technical field
The present invention relates to a kind of concrete hollow board.
(2) background technology
At present, cast-in-situ reinforcing steel bar concrete hollow slab is to use wider floor structural form, and the lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent as the applicant in the patent No. of application on November 29th, 1999, it discloses a kind of thin-wall mould-shell member, comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity.And for example Shijiazhuang City, Hebei Province city beam army is that ZL00203695.9, name are called " combination concrete hidden rib floor structure " utility model patent in the patent No. of application on February 23rd, 2000, a kind of shuttering member is disclosed in its manual, it can be solid, also can be hollow, its profile can be made shapes such as rectangle, circle, polygon according to designing requirement.And for example the Yu Shaohua of Tianjin is that ZL93206310.1, name are called " shuttering member " utility model patent in the patent No. of application on March 20th, 1993, it also discloses a kind of thin-wall mould-shell member, it makes totally-enclosed empty stomach polyhedral structure with the sidewall and the upper and lower end, establish ribs in the die housing, and adopt GRC or magnesium chloride GRC or do not have the manufacturing of sand ﹠ ceramsite cement.The applicant is 01140106.0 in the application number of application on November 23 calendar year 2001 for another example, publication number is CN1356442, name is called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention, its disclosed mould with cavity structure, comprise " upper plate; sidewall on every side; go to the bottom; upper plate; sidewall on every side; going to the bottom surrounds the polyhedron cavity former component, this cavity former component has in light weight, the intensity height, simple in structure, characteristics such as convenient construction and transport, simultaneously, when reality is used, going to the bottom, it is stressed to participate in, and can hang the greater weight object and in-situ deposited prefabricated bonding surface does not ftracture, in addition, this kind polyhedron cavity former component, in order to save construction formwork, go to the bottom also and can stretch out the formation bridging piece from sidewall on every side, bridging piece can be used as the stay in place formwork of the Cast-in-place concrete rib between the cavity former component, helps improving speed of application, reduces construction cost.Simultaneously, this cavity former component also has simple in structure, characteristics such as intensity is high, resistance to deformation, the anti-vibration performance is good, easy to manufacture, cost is low.But this cavity former component is in carrying, construction and long-term use, its go to the bottom be prone to fracture, phenomenon such as cracking, thereby the breakage rate of cavity former component is big, carrying, construction inconvenience have increased construction cost, in addition, use the back if crack, then influence the presentation quality of concrete hollow board ceiling, therefore, develop a kind of novel concrete hollow board for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of concrete hollow board, have characteristics such as mechanical property is good, intensity is high, difficult generation crack, easy construction.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, cavity former component, cavity former component is wrapped up in and is contained in the steel bar concrete, cavity former component alternately, be the cast-in-situ reinforced concrete rib each other, cavity former component comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity former component, go to the bottom and stretch out the formation bridging piece from least one sidewall on every side, the bottom surface of going to the bottom flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, it is characterized in that accompanying in going to the bottom at least one presstressed reinforcing steel.Like this, owing in going to the bottom, accompany at least one presstressed reinforcing steel, thereby the intensity of cavity former component and rigidity are big, shock resistance is good, its more not frangibility of going to the bottom, and carrying is more convenient with construction, respective steel reinforcement concrete hollow plate crack resistance is better, mechanical property is better, is difficult for cracking, and does not influence the presentation quality of the ceiling of concrete hollow board; And, also have characteristics such as easy construction, speed of application is fast, construction cost is low, thereby reached purpose of the present invention, the hollowcore slab, superstructure, roof system, body of wall, sole plate and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are particularly useful for hollow arch without beam and use.
Feature of the present invention also is described going to the bottom to being gone to the bottom by the template and constitute jointly superimposed of going to the bottom.Like this, earlier prefabricated one side is the hollow mould shell of opening, in its opening, be embedded template after, set the bed material slurry again on the template upper berth, maintenance removes the moulding form of going to the bottom after stipulate the length of time, promptly obtains going to the bottom being the superimposed cavity former component of template; Its template and common superimposed the going to the bottom that constitutes of going to the bottom have characteristics such as intensity is big, easy to make, can realize flowing water production, reduced the cost of cavity former component significantly, helped applying of cavity former component, the corresponding construction cost that reduces concrete hollow board.
Feature of the present invention also is described upper plate or sidewall or bridging piece are provided with the carrying part of convenient carrying on every side.The carrying part can be handle, suspension hook, suspension ring or other device.Like this, can very easily cavity former component be piled up, transport, lift and construct, reduce the work difficulty and the working strength of above-mentioned operation, help reducing construction cost.
Feature of the present invention is that also described going to the bottom stretch out bridging piece from the adjacent both sides of sidewall on every side and constitute L shaped bridging piece, perhaps goes to the bottom and all stretch out the annular bridging piece in bridging piece formation side around sidewall on every side.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab was constructed, its bridging piece that stretches out can replace construction formwork, has reduced the loss of template, simultaneously, had saved the installation procedure of template, had improved efficiency of construction greatly, had reduced the integrated cost of concrete hollow board.
Feature of the present invention is that also at least one side of described upper plate is extended with bridging piece, and the end face of upper plate flushes with the end face of cast-in-situ reinforcing steel bar concrete hollow slab.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab was constructed, the bridging piece that stretches out can form superimposed sheet with Cast-in-place concrete, had reduced the consumption of Cast-in-place concrete, had reduced the comprehensive cost of concrete hollow board; Simultaneously, upper plate and the bridging piece of going to the bottom and stretching out, the template that all can be used as the body of wall both sides is used, and can improve efficiency of construction greatly, reduces construction cost, the corresponding construction cost that reduces concrete hollow board.
Feature of the present invention is that also described presstressed reinforcing steel is prestressed reinforcement or compressor wire or steel strand or the thin band of prestressing force.Like this, presstressed reinforcing steel is prestressed reinforcement or compressor wire or steel strand or the thin band of prestressing force, have the advantages that intensity is big, stretch-draw is convenient, simple, fast, simultaneously, material source is extensive, draw materials nearby when being convenient to make, can effectively reduce its cost of manufacture, the corresponding construction cost that reduces concrete hollow board.
Feature of the present invention is that also described presstressed reinforcing steel is parallel, quadrature, oblique setting.Like this, the multiple set-up mode of presstressed reinforcing steel, Cavity structural member that can the various different structure performances of corresponding formation is with the needs of the concrete hollow board that satisfies various different designs, the corresponding construction cost that reduces concrete hollow board.
Feature of the present invention also be described upper plate, on every side sidewall, go to the bottom, bridging piece at least one in contain reinforce, perhaps have reinforce to expose, and be bonded to integral body with Cast-in-place concrete.Reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, strap, the braid over braid.Like this, upper plate, on every side sidewall, go to the bottom or bridging piece in contain above-mentioned reinforce, their strength and stiffness have been improved greatly, make cavity former component cracky not in stacking, transportation, installation, work progress, even the breakage of small size is arranged, because of the connection of reinforce is arranged, need not repair yet, can continue to come into operation.If also have reinforce to expose the cavity former component outside on the cavity former component, when cast-in-situ reinforcing steel bar concrete hollow slab is constructed, reinforce and Cast-in-place concrete that it exposes combine, and can improve the bond stress between Cast-in-place concrete and the cavity former component greatly, optimize the performance of whole concrete hollow board; Simultaneously, expose reinforce and also make things convenient for cavity former component when carrying, make handle or suspension ring or suspension hook and use.
Feature of the present invention also be have reinforce to stretch in the described sidewall and be anchored at go to the bottom or bridging piece in, go to the bottom or bridging piece in have reinforce to stretch into and be anchored in the sidewall.Like this, have reinforce to stretch into and be anchored in the sidewall to go to the bottom interior or bridging piece in, go to the bottom or bridging piece in have reinforce to stretch into and be anchored in the sidewall, thereby, improved sidewall greatly and go to the bottom between bonding strength, can effectively guarantee cavity former component in transportation, installation, work progress, sidewall and go to the bottom or bridging piece between do not ftracture, loosening, do not come off, reduced the breakage rate of cavity former component significantly, the corresponding construction cost that reduces concrete hollow board.
Feature of the present invention is that also the horizontal profile of described cavity former component is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular.Like this, the variation of cavity former component shape, cast-in-situ reinforcing steel bar concrete hollow slab when construction, correspondingly formed various difform cast-in-situ concrete structures, thereby made that the structure of cast-in-situ reinforcing steel bar concrete hollow slab is more reasonable, made things convenient for design and construction unit to select for use.
Feature of the present invention is that also described cavity former component is provided with at least one in groove, inner corner trim, chamfering, pit, hole, boss module, raised line, the external corner.Like this, Cast-in-place concrete pours in groove, inner corner trim, chamfering, pit, the hole, and the corresponding Cast-in-place concrete that forms the part adds competent structure; The boss module that is provided with on the cavity former component, raised line, external corner can be found time the concrete that does not stress in the concrete hollow board, further alleviate the weight of concrete hollow board self, save the consumption of concrete, reduce the cost of concrete hollow board.
Feature of the present invention also is described groove, inner corner trim, chamfering, raised line self or is parallel, quadrature, oblique or grade separation setting mutually.Like this, groove on the cavity former component, inner corner trim, chamfering, raised line self or be parallel, quadrature, oblique or grade separation setting mutually, after building concrete, the corresponding Cast-in-place concrete that has formed parallel, quadrature, oblique or grade separation adds competent structure, has improved the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab greatly.
Feature of the present invention also is to be provided with in the enclosed cavity of described cavity former component at least one in stiffening rib, bracing boom, the reinforcing rib, perhaps there be in stiffening rib, the bracing boom at least one to expose outside the cavity former component, perhaps also have reinforce to expose on stiffening rib, the bracing boom, and be bonded to integral body with Cast-in-place concrete.Like this, stiffening rib, bracing boom, reinforcing rib that is provided with in the cavity former component or the stiffening rib that exposes, bracing boom can form the cast-in-place and prefabricated composite construction that combines with Cast-in-place concrete, have optimized the inner stress system of cast-in-situ reinforcing steel bar concrete hollow slab.If also have reinforce to expose on it, then cavity former component and Cast-in-place concrete bonding is more firm, and the globality of concrete hollow board is better.
Feature of the present invention also is to be provided with light material in the enclosed cavity of described cavity former component.Like this, improve the shock resistance of cavity former component greatly, reduced the breakage rate of product in the construction application process.Simultaneously, also make cast-in-situ reinforcing steel bar concrete hollow slab have better sound insulation, heat insulation, heat-insulating property; Light material can be foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or haydite concrete etc., and the diversity of its light material kind is drawn materials when being convenient to produce nearby, helps reducing production costs.
Feature of the present invention is that also in described upper plate or the sidewall at least one is for dismountable movable part.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab is constructed, can make things convenient for the situation of checking cavity former component inside at any time, simultaneously also can be at any time at the interior section of cavity former component or whole filling with light material, perhaps, drench shower nozzle etc. as junction box, hydroelectric line, fire-fighting at inner other parts of installing of cavity former component.
Feature of the present invention also is described upper plate, at least one in the external surface of sidewall, bridging piece is corrugated, zigzag, plucking shape or exasperate external surface on every side.Like this, because of its surface is corrugated, zigzag, plucking shape or exasperate external surface, thereby prefabricated cavity former component and the adhesion stress between the Cast-in-place concrete are stronger, thereby can improve the overall performance of concrete hollow board greatly.
Feature of the present invention is that also described cavity former component is provided with align member.Align member can be draw ring, drag hook, iron wire, feet or other device.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab is constructed, can accurately locate cavity former component, prevent that phenomenons such as cavity former component floats, displacement from producing when building concrete, simultaneously, also can carry out spacingly, guarantee the pouring quality of concrete hollow board effectively reinforcing bar.
Feature of the present invention is that also described cavity former component is provided with connector connected to one another between the cavity former component.Connector can be reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, angle steel, channel-section steel, L shaped steel, T-steel, cutting ferrule, bolt, male and female groove, socket component, indention, tongue, groove, bayonet socket, cutting ferrule, hole, embedded iron parts etc.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab is constructed, the connector that is provided with on the cavity former component can be controlled the distance between the cavity former component effectively, reliably, the width and the height of control cast-in-situ reinforced concrete rib, the pouring quality of assurance concrete hollow board internal construction; Simultaneously, also help cavity former component connection location each other, accelerate speed of application.
Feature of the present invention is that also at least two above cavity former components are connected as one by bridging piece, constitutes the internal-rib die cavity between the cavity former component, and Cast-in-place concrete has formed the cast-in-situ reinforced concrete internal-rib in the internal-rib die cavity, and links to each other with the cast-in-situ reinforced concrete rib.Like this, when cast-in-situ reinforcing steel bar concrete hollow slab was constructed, Cast-in-place concrete entered in the internal-rib die cavity, had formed the Cast-in-place concrete internal-rib, had improved the mechanical property of concrete hollow board; Simultaneously, cavity former component is connected as one by bridging piece, has constituted the hollow mould shell assembly, thereby, improved the efficiency of construction and the speed of application of concrete hollow board greatly.
Feature of the present invention also is to be provided with in the described internal-rib die cavity fixed or movable support draw piece.The support draw piece can be rod member, rope, plate, muscle, silk, thin band, pier, piece etc.Like this, owing to be provided with the support draw piece, cavity former component in groups is when the carrying construction, because the support or the drawknot effect of support draw piece, significantly reduced the breakage rate of cavity former component in groups, when cast-in-situ reinforcing steel bar concrete hollow slab was constructed, installation speed was fast, high efficiency can improve the speed of application of concrete hollow board greatly.
Feature of the present invention also is also to be provided with dark beam in the described concrete hollow board or/and bright beam.Like this, the mechanical property of hollowcore slab is better, helps that local pressure in the cast-in-situ reinforcing steel bar concrete hollow slab is increased the district and strengthens; When being provided with dark beam, also can strengthen the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab, simultaneously, dark beam lies in cast-in-situ reinforcing steel bar concrete hollow slab inside, the external structure that does not influence cast-in-situ reinforcing steel bar concrete hollow slab is attractive in appearance, do not take the usage space of building during use, can improve the usage space of building effectively.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is one of structural representation of embodiment of the invention cavity shuttering member 2.
Fig. 5 be embodiment of the invention cavity shuttering member 2 structural representation two.
Fig. 6 be embodiment of the invention cavity shuttering member 2 structural representation three.
Fig. 7 be embodiment of the invention cavity shuttering member 2 structural representation four.
Fig. 8 be embodiment of the invention cavity shuttering member 2 structural representation five.
Fig. 9 be embodiment of the invention cavity shuttering member 2 structural representation six.
Figure 10 be embodiment of the invention cavity shuttering member 2 structural representation seven.
Figure 11 be embodiment of the invention cavity shuttering member 2 structural representation eight.
Figure 12 be embodiment of the invention cavity shuttering member 2 structural representation nine.
Figure 13 be embodiment of the invention cavity shuttering member 2 structural representation ten.
Figure 14 be embodiment of the invention cavity shuttering member 2 structural representation 11.
Figure 15 be embodiment of the invention cavity shuttering member 2 structural representation 12.
Figure 16 be embodiment of the invention cavity shuttering member 2 structural representation 13.
Figure 17 be embodiment of the invention cavity shuttering member 2 structural representation 14.
Figure 18 be embodiment of the invention cavity shuttering member 2 structural representation 15.
Figure 19 be embodiment of the invention cavity shuttering member 2 structural representation 16.
Figure 20 be embodiment of the invention cavity shuttering member 2 structural representation 17.
Figure 21 is the structural representation of the embodiment of the invention 4.
Figure 22 is the structural representation of the embodiment of the invention 5.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise steel bar concrete 1, cavity former component 2, cavity former component 2 is wrapped up in and is contained in the steel bar concrete 1, cavity former component 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, cavity former component 2 comprise upper plate 4, on every side sidewall 5, go to the bottom 6, upper plate 4, on every side sidewall 5, going to the bottom 6 surrounds polyhedron cavity former component 2, go to the bottom 6 around at least one sidewall 5 stretch out and constitute bridging piece 7, go to the bottom 6 bottom surface flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, it is characterized in that accompanying at least one presstressed reinforcing steel 8 in 6 going to the bottom.In each accompanying drawing, 1 is steel bar concrete, and 2 is cavity former component, and 3 is the cast-in-situ reinforced concrete rib, and 4 is upper plate, 5 be around sidewall, 6 for going to the bottom, 7 is bridging piece, 8 is presstressed reinforcing steel, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, concrete hollow board comprises steel bar concrete 1, cavity former component 2, cavity former component 2 is wrapped up in and is contained in the steel bar concrete 1, cavity former component 2 alternately, be cast-in-situ reinforced concrete rib 3 each other, cavity former component 2 comprise upper plate 4, on every side sidewall 5, go to the bottom 6, upper plate 4, on every side sidewall 5, going to the bottom 6 surrounds the polyhedron Cavity structural member, go to the bottom 6 around at least one sidewall 5 stretch out and constitute bridging piece 7, go to the bottom 6 bottom surface flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, and it is described goes to the bottom and accompany many presstressed reinforcing steels 8 in 6.Fig. 1, Fig. 2, Figure 3 shows that the structural representation that cavity former component 2 is used in concrete hollow board.
Feature of the present invention also be described go to the bottom 6 for by template 9 with go to the bottom 6 superimposed the going to the bottom that constitute jointly.As shown in Figure 4, its described go to the bottom 6 for by template 9 with go to the bottom 6 superimposed the going to the bottom that constitute jointly.
Feature of the present invention also is described upper plate 4 or sidewall 5 or bridging piece 7 are provided with the carrying part 10 of convenient carrying on every side.As shown in Figure 5, its described sidewall 5 on every side is provided with the carrying part 10 of convenient carrying.
Feature of the present invention is that also described going to the bottom 6 stretch out bridging piece 7 from the adjacent both sides of sidewall 5 on every side and constitute L shaped bridging piece, perhaps goes to the bottom 6 all to stretch out the annular bridging piece in bridging piece 7 formation sides around sidewall 5 on every side.As shown in Figure 6, its described going to the bottom 6 is stretched out bridging piece 7 from the adjacent both sides of sidewall 5 on every side and is constituted L shaped bridging piece.
Feature of the present invention is that also at least one side of described upper plate 4 is extended with bridging piece 7, and the end face of upper plate 4 flushes with the end face of cast-in-situ reinforcing steel bar concrete hollow slab.As shown in Figure 7, its described upper plate 4 all is extended with bridging piece 7, and in cast-in-situ reinforcing steel bar concrete hollow slab, the end face of upper plate 4 flushes with the end face of cast-in-situ reinforcing steel bar concrete hollow slab.
Feature of the present invention is that also described presstressed reinforcing steel 8 is prestressed reinforcement or compressor wire or steel strand or the thin band of prestressing force.As shown in Figure 8, its described presstressed reinforcing steel 8 is a compressor wire.
Feature of the present invention is that also described presstressed reinforcing steel 8 is parallel, quadrature, oblique setting.As shown in Figure 9, its described presstressed reinforcing steel 8 is parallel, quadrature setting.
Feature of the present invention also be described upper plate 4, on every side sidewall 5, go to the bottom 6, bridging piece 7 at least one in contain reinforce 11, perhaps have reinforce 11 to expose, and be bonded to integral body with Cast-in-place concrete.As shown in figure 10, its described upper plate 4, on every side sidewall 5, go to the bottom 6, all contain reinforce 11 in the bridging piece 7, simultaneously, in cast-in-situ reinforcing steel bar concrete hollow slab, going to the bottom 6 has reinforce 11 to expose, and is bonded to integral body with Cast-in-place concrete.
Feature of the present invention also is have reinforce 11 to stretch into and be anchored in the described sidewall 5 go to the bottom 6 or bridging piece 7 in, go to the bottom 6 or bridging piece 7 in have reinforce 11 to stretch into and be anchored in the sidewall 5.As shown in figure 11, there is reinforce 11 to stretch into and be anchored in the bridging piece 7 in its described sidewall 5.
Feature of the present invention is that also the horizontal profile of described cavity former component 2 is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular.As shown in figure 12, the horizontal profile of its described cavity former component 2 is shaped as circle.
Feature of the present invention is that also described cavity former component 2 is provided with at least one in groove 12, inner corner trim 13, chamfering 14, pit 15, hole 16, boss module 17, raised line 18, the external corner 19.As shown in figure 13, its described cavity former component 2 is provided with groove 12 and hole 16.As shown in figure 14, its described cavity former component 2 is provided with inner corner trim 13, chamfering 14, pit 15, boss module 17, raised line 18, external corner 19.
Feature of the present invention also is described groove 12, inner corner trim 13, chamfering 14, raised line 18 self or is parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 14, its described inner corner trim 13, chamfering 14, raised line 18 are parallel, quadrature, oblique and grade separation setting mutually.
Feature of the present invention also is to be provided with in the enclosed cavity of described cavity former component 2 at least one in stiffening rib 20, bracing boom 21, the reinforcing rib 22, perhaps there be in stiffening rib 20, the bracing boom 21 at least one to expose outside the cavity former component 2, perhaps also have reinforce 11 to expose on stiffening rib 20, the bracing boom 21, and be bonded to integral body with Cast-in-place concrete.As shown in figure 15, be provided with stiffening rib 20, bracing boom 21 and reinforcing rib 22 in the enclosed cavity of its described cavity former component 2, simultaneously, stiffening rib 20 and bracing boom 21 expose outside the cavity former component 2, in cast-in-situ reinforcing steel bar concrete hollow slab, the stiffening rib 20 that exposes, bracing boom 21 are bonded to integral body with Cast-in-place concrete.
Feature of the present invention also is to be provided with light material 23 in the enclosed cavity of described cavity former component 2.As shown in figure 16, be provided with light material 23 in the enclosed cavity of its described cavity former component 2.
Feature of the present invention is that also in described upper plate 4 or the sidewall 5 at least one is for dismountable movable part.As shown in figure 17, its described upper plate 4 is dismountable movable part.
Feature of the present invention also is described upper plate 4, at least one in the external surface of sidewall 5, bridging piece 7 is corrugated, zigzag, plucking shape or exasperate external surface on every side.As shown in figure 18, its described upper plate 4, promising corrugated external surface in the external surface of sidewall 5 on every side.
Feature of the present invention is that also described cavity former component 2 is provided with align member 24.As shown in figure 19, its described cavity former component 2 is provided with align member 24.
Feature of the present invention is that also described cavity former component 2 is provided with connector 25 connected to one another between the cavity former component 2.As shown in figure 20, its described cavity former component 2 is provided with connector 25 connected to one another between the cavity former component 2.
Feature of the present invention is that also at least two above cavity former components 2 are connected as one by bridging piece 7, constitute internal-rib die cavity 26 between the cavity former component 2, Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib 27 in internal-rib die cavity 26, and links to each other with cast-in-situ reinforced concrete rib 3.As shown in figure 21, its described a plurality of cavity former components 2 are connected as one by bridging piece 7, constitute internal-rib die cavity 26 between the cavity former component 2, and Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib 27 in internal-rib die cavity 26, and links to each other with cast-in-situ reinforced concrete rib 3.
Feature of the present invention also is to be provided with in the described internal-rib die cavity 26 fixed or movable support draw piece 28.As shown in figure 22, be provided with fixing support draw piece 28 in its described internal-rib die cavity 26.
Feature of the present invention also is also to be provided with dark beam 29 in the described concrete hollow board or/and bright beam 30.As shown in Figure 2, also be provided with dark beam 29 in its described concrete hollow board, as shown in Figure 3, also be provided with bright beam 30 in its described concrete hollow board.
During the invention process, press earlier construction requirement mounting bracket or template, lay cavity former component 2, re-lay the reinforcing bar of reinforcing bar or dark beam 28 or bright beam 29, and various steel pipe buried in advance spares, pour concrete after the acceptance(check), treat the concrete setting and harden after, maintenance is to stipulating the length of time that form removal promptly gets cast-in-situ reinforcing steel bar concrete hollow slab.
Claims (10)
1, a kind of concrete hollow board, comprise steel bar concrete (1), cavity former component (2), cavity former component (2) is wrapped up in and is contained in the steel bar concrete (1), cavity former component (2) alternately, be cast-in-situ reinforced concrete rib (3) each other, cavity former component (2) comprises upper plate (4), sidewall (5) on every side, go to the bottom (6), upper plate (4), sidewall (5) on every side, go to the bottom (6) surround polyhedron cavity former component (2), (6) sidewall (5) around at least one of going to the bottom stretches out and constitutes bridging piece (7), the go to the bottom bottom surface of (6) flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, it is characterized in that accompanying in go to the bottom (6) at least one presstressed reinforcing steel (8).
2, concrete hollow board according to claim 1 is characterized in that superimposed go to the bottom of described going to the bottom (6) for being made of jointly template (9) and go to the bottom (6).
3, concrete hollow board according to claim 1 is characterized in that described upper plate (4) or sidewall (5) or bridging piece (7) are provided with the carrying part (10) of convenient carrying on every side.
4, concrete hollow board according to claim 1, it is characterized in that described going to the bottom (6) stretch out bridging piece (7) from the adjacent both sides of sidewall (5) on every side and constitute L shaped bridging piece, perhaps go to the bottom (6) all stretch out the annular bridging piece in bridging piece (7) formation side around sidewall (5) on every side.
5, concrete hollow board according to claim 1 is characterized in that at least one side of described upper plate (4) is extended with bridging piece (7), and the end face of upper plate (4) flushes with the end face of cast-in-situ reinforcing steel bar concrete hollow slab.
6, concrete hollow board according to claim 1 is characterized in that described presstressed reinforcing steel (8) is prestressed reinforcement or compressor wire or steel strand or the thin band of prestressing force.
7, concrete hollow board according to claim 1 is characterized in that described presstressed reinforcing steel (8) is parallel, quadrature, oblique setting; Perhaps upper plate (4), contain reinforce (11) at least one of sidewall (5), go to the bottom (6), bridging piece (7) on every side, perhaps have reinforce (11) to expose, and be bonded to integral body with Cast-in-place concrete; Perhaps have reinforce (11) to stretch into and be anchored in the sidewall (5) to go to the bottom (6) or bridging piece (7) in, go to the bottom (6) or bridging piece (7) in have reinforce (11) to stretch into and be anchored in the sidewall (5).
8,, it is characterized in that the horizontal profile of described cavity former component (2) is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular according to the described concrete hollow board of arbitrary claim in the claim 1 to 7; Perhaps cavity former component (2) is provided with at least one in groove (12), inner corner trim (13), chamfering (14), pit (15), hole (16), boss module (17), raised line (18), the external corner (19); Perhaps groove (12), inner corner trim (13), chamfering (14), raised line (18) self or be parallel, quadrature, oblique or grade separation setting mutually; Perhaps be provided with at least one in stiffening rib (20), bracing boom (21), the reinforcing rib (22) in the enclosed cavity of cavity former component (2), perhaps there be in stiffening rib (20), the bracing boom (21) at least one to expose outside the cavity former component (2), perhaps stiffening rib (20), bracing boom (21) are gone up and are also had reinforce (11) to expose, and are bonded to integral body with Cast-in-place concrete.
9,, it is characterized in that being provided with light material (23) in the enclosed cavity of described cavity former component (2) according to the described concrete hollow board of arbitrary claim in the claim 1 to 7; Perhaps at least one in upper plate (4) or the sidewall (5) is dismountable movable part; Perhaps upper plate (4), at least one in the external surface of sidewall (5), bridging piece (7) is corrugated, zigzag, plucking shape or exasperate external surface on every side; Perhaps cavity former component (2) is provided with align member (24).
10,, it is characterized in that described cavity former component (2) is provided with connector connected to one another (25) between the cavity former component (2) according to the described concrete hollow board of arbitrary claim in the claim 1 to 7; Perhaps at least two above cavity former components (2) are connected as one by bridging piece (7), constitute internal-rib die cavity (26) between the cavity former component (2), Cast-in-place concrete has formed cast-in-situ reinforced concrete internal-rib (27) in internal-rib die cavity (26), and links to each other with cast-in-situ reinforced concrete rib (3); Perhaps be provided with fixed or movable support draw piece (28) in the internal-rib die cavity (26); Perhaps also be provided with dark beam (29) in the concrete hollow board or/and bright beam (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100069807A CN100564744C (en) | 2005-01-14 | 2005-01-14 | A kind of concrete hollow board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100069807A CN100564744C (en) | 2005-01-14 | 2005-01-14 | A kind of concrete hollow board |
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| Publication Number | Publication Date |
|---|---|
| CN1804290A true CN1804290A (en) | 2006-07-19 |
| CN100564744C CN100564744C (en) | 2009-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100069807A Expired - Fee Related CN100564744C (en) | 2005-01-14 | 2005-01-14 | A kind of concrete hollow board |
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|---|---|
| CN (1) | CN100564744C (en) |
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| CN100564744C (en) | 2009-12-02 |
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