CN1847544A - In-site cast hollow concrete slab - Google Patents

Abstract

The in-situ cast hollow concrete slab includes reinforced concrete and thin wall pipes wrapped with the reinforced concrete. There are longitudinal in-site cast reinforced concrete ribs between the thin wall pipes. Each of the thin wall pipes includes hollow pipe, reinforcing part inside the cavity of the hollow pipe, and end plugs to close the ends of the hollow pipe. At least one of the hollow pipe, the reinforcing part and the end plugs has reinforcement. The present invention features that at least one of the hollow pipe, the reinforcing part and the end plugs has superposed layer. The present invention is suitable for in-situ cast or pre-stressed reinforced concrete hollow floor slab, roof, wall, foundation slab and hollow bridge, especially hollow flat floor slab.

Description

A kind of cast-in-place concrete cored

(1) technical field

The present invention relates to a kind of cast-in-place concrete cored.

(2) background technology

At present, in the prior art, cast-in-place concrete cored one-tenth pole is permanent core, and as paper tube, plastic pipe, metal bellows, core light material etc., these tubular core molds or member mainly consider to find time concrete, reduce cast-in-place concrete cored weight.It as the patent No. 99249755.8 cast-in-place reinforced concrete filling fiber reinforcement type thin wall cylinder, it is made up of horniness thin-walled tube and two ends plug, two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends, and horniness thin-walled tube cross section and plug shape can be circle, square, trapezoidal or other is special-shaped.This pipe be applied to cast-in-place concrete cored after; because the tubulose concrete of cast-in-place concrete cored hard thin-wall tube hub is evacuated; along pipe the Cast-in-place concrete rib arranged vertically; and laterally found time by core or member owing to steel bar concrete; only depend on two plugs to seal, therefore, can't bear the effect of complicated pulling force, pressure, shearing, moment of torsion etc. as the power transmission rib; the bigger situation of cast-in-place concrete cored two direction rigidity great disparities occurs, can't form well word rib equivalent transverse and longitudinal.As the plate that pours into this kind member, compare with two-way multi-ribbed plate, then exist the steel bar concrete consumption big, from great, core can not play the member in shear memory effect, and hollowcore slab thickness is big, and deflection deformation is big, the shearing resistance torsional property is poor, the easy crack of weakness, last bottom flange, bidirectional stress power transmission difference is big, poor mechanical property, shock resistance is poor, the big deficiency that waits of two-way stiffness difference.The applicant has applied for that to China Intellectual Property Office the patent No. is " ZL01136050.X " September 30 calendar year 2001 for this reason, name is called the patent of invention of " a kind of hollow pipe member for in-situ deposited steel bar reinforced concrete combined structure ", it is by hollow section, stiffening rib, end socket, stiffening rib is arranged in the cavity of hollow body, plug is enclosed in the two ends of hollow body, hollow body, stiffening rib, contain reinforcing bar in the plug at least one, steel wire, gauze wire cloth, fiber, reinforces such as fibrous mesh cloth, hollow section, end socket, the shape of cross section of transverse stiffener is all circle, square, trapezoidal or other shape.Like this owing to be provided with transverse stiffener in the pipe, when using, eliminated behind the hollow section pore-forming defective that no primary structure member and cracking resistance are constructed in the pipe, can in plate, form the dark close rib of bidirectional stress, its mechanical property, anti-seismic performance are effectively improved; And member itself has the intensity height, and bidirectional stress power transmission difference is little, and shearing resistance is antitorque strong, and resistance to deformation is big, and anti-seismic performance is good, and advantages such as convenient construction and transport are applicable to the various cast-in-place concrete cored superstructures that wait.But, to make inconveniently when this hollow pipe component in cast-in-place concrete cored is produced, production efficiency is low, is not easy to streamline production, and therefore corresponding cast-in-place concrete cored construction cost height, is developed a kind of novel cast-in-place concrete cored 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-place concrete cored, characteristics such as have easy construction, construction cost is low, efficient is high, mechanical property is good.

Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, light-wall pipe; light-wall pipe is wrapped up in and is contained in the steel bar concrete; be vertically arranged with the cast-in-situ reinforced concrete rib; light-wall pipe comprises hollow body, stiffener, plug; stiffener is arranged in the cavity of hollow body; the two ends of plug closed hollow body; contain reinforce at least one in hollow body, stiffener, the plug, it is characterized in that being provided with overlapping layers at least one of described hollow body, stiffener or plug along pipe between the light-wall pipe.Reinforce in the light-wall pipe can be 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 the two above combination, can be at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, porose thin band, strap, the braid over braid etc. as reinforce.Like this, owing to be provided with at least one overlapping layers in the hollow body in cast-in-place concrete cored or at least one of stiffening rib or plug, thereby the making of light-wall pipe is easy, production efficiency is higher, corresponding cost is lower, simultaneously; the intensity and the rigidity of light-wall pipe improve greatly; corresponding cast-in-place concrete cored construction cost is lower; mechanical property is better; in addition; cast-in-place concrete cored also have simple in structure; resistance to deformation; the anti-vibration performance is good; easy construction; characteristics such as speed of application is fast; thus reached purpose of the present invention, be applicable to the hollow building cover of cast-in-situ reinforced concrete or prestressed reinforced concrete; roof system; body of wall; sole plate and hollow bridges are used, be particularly useful for hollow arch without beam and use.

Another solution of the present invention is on the basis of existing technology, comprise steel bar concrete; light-wall pipe; light-wall pipe is wrapped up in and is contained in the steel bar concrete; be vertically arranged with the cast-in-situ reinforced concrete rib; light-wall pipe comprises hollow body; stiffener; plug; stiffener is arranged in the cavity of hollow body; the two ends of plug closed hollow body; hollow body; stiffener; contain reinforce at least one in the plug; it is characterized in that described hollow body; be provided with overlapping layers at least one of stiffener or plug; light-wall pipe exposes outside along pipe between the light-wall pipe; respectively with cast-in-place concrete cored upper surface or/and bottom surface flushes, constitute the cast-in-place concrete cored table of going up jointly or/and the structure-bearing member of going to the bottom.Like this, owing to be provided with at least one overlapping layers in the hollow body in cast-in-place concrete cored or at least one of stiffening rib or plug, thereby the making of light-wall pipe is easy, production efficiency is higher, corresponding cost is lower, and simultaneously, the intensity and the rigidity of light-wall pipe improve greatly, corresponding cast-in-place concrete cored construction cost is lower, and mechanical property is better; In addition; light-wall pipe exposes outside; respectively with cast-in-place concrete cored upper surface or/and bottom surface flush; constitute the cast-in-place concrete cored table of going up jointly or/and the structure-bearing member of going to the bottom makes cast-in-place concrete cored construction easier, construction cost is lower; structure is simpler; thus reached purpose of the present invention, be applicable to that hollow building cover, roof system, body of wall, sole plate and the hollow bridges of cast-in-situ reinforced concrete or prestressed reinforced concrete used, be particularly useful for hollow arch without beam and use.

Feature of the present invention also is to be provided with rib between the cast-in-situ reinforced concrete end between the pipe end of described light-wall pipe, and links to each other with the cast-in-situ reinforced concrete rib.Like this, cast-in-place concrete cored vertical cross stiffness difference still less, mechanical property is better.

Rib has formed rib between the elongated end of Cast-in-place concrete between the end that feature of the present invention also is to be provided with between the described multiple row light-wall pipe pipe end.Like this, not only cast-in-place concrete cored vertical cross stiffness difference further reduces, and mechanical property improves greatly, and it is easier to construct, and speed of application is faster.

Feature of the present invention is that also the overlapping layers that is provided with on the described hollow body is preformed layer or the cast-in-place layer of now smearing.Like this, after on the hollow body overlapping layers being set, make the hollow section body form superimposed body, it is easier not only to manufacture, but also has increased substantially the intensity of hollow body itself, has improved the shock resistance of hollow section, make it more can satisfy transportation and construction demand, and after hollow body and Cast-in-place concrete combine, can participate in the common load of cast-in-situ concrete hollow plated construction, improve cast-in-place concrete cored supporting capacity.

Feature of the present invention is that also the overlapping layers that is provided with on the described stiffener is preformed layer or the cast-in-place layer of now smearing.Like this; overlapping layers is set on the stiffener; overlapping layers can play the mould effect; simultaneously, can protect stiffener under off working state or duty, to avoid stiffener being played the effect of protection because of being subjected to impact, colliding and destroy; simultaneously; superimposed fully because of overlapping layers and stiffener, can play the effect of the intensity of strengthening stiffener itself, make stiffener can participate in the stressed jointly of cast-in-situ concrete hollow plated construction.

Feature of the present invention is that also described plug is prefabricated plug, and the overlapping layers that is provided with on it is preformed layer or the cast-in-place layer of now smearing.Like this, overlapping layers is set on the prefabricated plug again, improve the intensity of plug greatly and be connected reliability, make plug in light-wall pipe, be difficult for getting loose, overlapping layers makes the strength and stiffness of prefabricated plug all obtain significantly improving simultaneously, make it can fully satisfy the power transmission requirement, participate in cast-in-place concrete cored structure power transmission.

Feature of the present invention also is to have in the described hollow body reinforce to stretch into respectively between plug and the overlapping layers from the two ends of pipe, and forms whole.Like this, manufacture convenient and simple, simultaneously, because of there being reinforce to imbed in plug and the overlapping layers, strengthened the intensity of plug greatly, make it firmly embed in the body, make plug in light-wall pipe, be difficult for getting loose, overlapping layers makes the strength and stiffness of prefabricated plug all obtain significantly improving simultaneously, makes it can fully satisfy the power transmission requirement, participates in cast-in-place concrete cored structure power transmission.

Feature of the present invention is that also described hollow body, stiffener or plug are prefabricated component, and overlapping part is overlapping layers each other each other, and the light-wall pipe that is formed by connecting is superimposed with each other.Like this, overlapping layers is strengthened the overlapping part of contiguous prefabricated member, makes that joint is more solid and reliable, and each fastener is difficult for getting loose, and has effectively guaranteed the quality of light-wall pipe, has reduced the loss of light-wall pipe, has reduced cast-in-place concrete cored construction cost.

Feature of the present invention is that also described overlapping layers is identical with the basic unit material.Like this, when overlapping layers is identical with the basic unit material, both binding affinities are better, the two can be combined together better, make hollow body have the better overall performance; the not easily separated damage of the overlapping layers of light-wall pipe and basic unit, reduced the loss of light-wall pipe, correspondingly reduced cast-in-place concrete cored construction cost.

Feature of the present invention is that also described overlapping layers is different with the basic unit material.Like this, when overlapping layers and basic unit's material not simultaneously, be convenient to select more economic material as overlapping layers, help reducing the cost of production of light-wall pipe, and then reduce cast-in-place concrete cored cost.

Feature of the present invention also be between described overlapping layers and the basic unit with glued, bonding, interlock, seam, pressing, wire drawing, plate close, the mode of screw, riveted is overlapped into integral body.Like this, superimposed mode variation between overlapping layers and the basic unit, make between overlapping layers and the basic unit be connected superimposed convenient, increased substantially the production efficiency of light-wall pipe, can satisfy the application need under the various different occasions, reduce cast-in-place concrete cored construction cost, simultaneously, but convenient construction helps the laying of cast-in-place concrete cored interior various preheating embedding lines.

Feature of the present invention is that also described overlapping layers is cement sand bed, cementitious material light aggregate concrete layer.Like this, the overlapping layers intensity height that adopts cement sand bed, light aggregate concrete to make, advantage such as rigidity is big, and is survivable, and also hollow section is in light weight, can further reduce cast-in-place concrete cored deadweight, improves its weight bearing power.

Feature of the present invention also is to have in described hollow body, stiffener, plug or the overlapping layers at least one reinforce to exposing outside, and is anchored in the steel bar concrete, and perhaps the reinforce in separately stretches in the body of each adjacent member drawknot mutually.Like this, in cast-in-place concrete cored, reinforce in hollow body, stiffener, plug or the overlapping layers exposes, and and Cast-in-place concrete combine, cast-in-place concrete cored intensity and globality have been improved greatly, reinforce stretches in the adjacent members and mutual drawknot, makes each adjacent component firmly be connected to integral body, has increased substantially the overall performance of light-wall pipe.

Feature of the present invention also is also to be provided with on the described hollow body at least one in inner corner trim, chamfering, groove, pit, hole, boss module, raised line, the external corner.Like this, in cast-in-place concrete cored, Cast-in-place concrete pours in chamfering, inner corner trim, groove, 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 light-wall pipe, raised line, external corner can be found time the concrete that does not stress in cast-in-place concrete cored, further alleviate cast-in-place concrete cored self weight, save the consumption of concrete, reduce cast-in-place concrete cored cost, also improve cast-in-place concrete cored performance simultaneously.

Feature of the present invention is that also described stiffener is at least one in stiffening rib, bracing boom or the reinforcing rib, perhaps to expose hollow section external at least one in stiffening rib, bracing boom, the reinforcing rib, and be anchored in the steel bar concrete, perhaps also have reinforce to expose on stiffening rib, bracing boom, the reinforcing rib, and be anchored in the steel bar concrete, perhaps muscle, netted reinforce are revealed in the superimposed or superimposed back of stiffening rib, bracing boom, reinforcing rib and basic unit, and are anchored in the steel bar concrete.Like this, in cast-in-place concrete cored; stiffening rib, bracing boom, reinforcing rib that is provided with in the light-wall pipe or the stiffening rib that exposes, bracing boom, reinforcing rib can form the cast-in-place and prefabricated composite construction that combines with Cast-in-place concrete, have optimized cast-in-situ concrete hollow intralamellar part stress system.If also have reinforce to expose on it, then light-wall pipe and Cast-in-place concrete bonding is more firm, and cast-in-place concrete cored globality is better.

Feature of the present invention is that also the end of plug at the two ends of described hollow body is a plug, and the other end is a stiffening rib formula stiffener, and perhaps two ends are stiffening rib formula stiffener.Like this, in cast-in-place concrete cored, when plug is stiffening rib formula plug or stiffening rib, common when stressed at the light-wall pipe participation structure, its stiffener can help reducing cast-in-place concrete cored thickness with Stress Transfer to beam column, reduce the consumption of material, reduce cost, improve the holistic resistant behavior of floor simultaneously.

Feature of the present invention also is to be provided with light material in the cavity of described hollow body.Cast-in-place concrete cored sound insulation, heat insulation, heat-insulating property have been improved like this, greatly; Simultaneously, light-wall pipe also has good shock resistance, has reduced the breakage rate of product in the construction application process.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.; the diversity of its light material kind; draw materials nearby when being convenient to produce; help reducing cost; correspondingly reduce cast-in-place concrete cored deadweight, improve its weight bearing power.

Feature of the present invention also be in described hollow body or the plug at least one for or dismountable movable part arranged.Like this, can make things convenient at any time and check cast-in-place concrete cored inner case, also can perhaps other parts be installed simultaneously at any time at interior section or whole filling with light material of light-wall pipe at the cast-in-situ concrete hollow intralamellar part, drench shower nozzle etc. as junction box, hydroelectric line, fire-fighting, greatly facilitate construction application.

Feature of the present invention is that also in the external surface of described hollow body, plug, overlapping layers at least one is corrugated, zigzag or exasperate external surface.Like this, that hollow body, plug, overlapping layers are provided with is corrugated, zigzag, plucking shape or exasperate external surface at least a, adhesion and shearing resistance between Cast-in-place concrete and hollow body, plug, the overlapping layers have been improved greatly, make light-wall pipe and Cast-in-place concrete in conjunction with more firm, improved cast-in-place concrete cored overall performance greatly.

Feature of the present invention is that also described hollow body is provided with align member.Align member can be draw ring, drag hook, iron wire, feet, small lugs, little protruding nail or other device.Like this, in cast-in-place concrete cored, align member can accurately be located light-wall pipe, prevents that phenomenons such as light-wall pipe floats when building concrete, displacement from producing, and simultaneously, also can carry out spacingly to reinforcing bar, guarantees cast-in-place concrete cored pouring quality effectively.

Feature of the present invention is that also described light-wall pipe is provided with connector connected to one another between the light-wall pipe.Like this, in cast-in-place concrete cored, can very easily light-wall pipe be connected as one, prevent that effectively light-wall pipe from producing the generation of come-up, displacement phenomenon when building concrete, be more convenient for controlling cast-in-place concrete cored pouring quality.

Feature of the present invention is that also described at least two above light-wall pipes are connected as one by connector, constitute body member in groups.Like this, in cast-in-place concrete cored construction, can improve cast-in-place concrete cored efficiency of construction and speed of application greatly, reduce cast-in-place concrete cored cost.

Feature of the present invention is that also described hollow body, stiffener, plug or overlapping layers are hollow body, stiffener, plug or the overlapping layers of cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, Cement fibre, Cement fibre net, cement mortar or concrete gauze wire cloth, cement mortar or concrete steel mesh reinforcement, wood glue plate, plastics, metal crimp template.Like this, the variation of hollow body, stiffener, plug or overlapping layers manufacturing materials can make light-wall pipe fully satisfy the needs of various different situations, helps reducing product cost, the construction cost that corresponding reduction is cast-in-place concrete cored.

Feature of the present invention is that also described light-wall pipe is provided with the carrying part.The carrying part can be handle, suspension hook, suspension ring or other device.Like this, can very easily light-wall pipe be piled up, transport, lift and construct, reduce the work difficulty and the working strength of above-mentioned operation, help improving efficiency of construction, reduce cast-in-place concrete cored construction cost.

Feature of the present invention also is describedly also to be provided with dark beam or/and bright beam in cast-in-place concrete cored.Like this, cast-in-place concrete cored mechanical property is better.When described cast-in-place concrete cored when being provided with bright beam, help that local pressure in cast-in-place concrete cored is increased the district and strengthen; When being provided with dark beam, also can strengthen cast-in-place concrete cored mechanical property, simultaneously, dark beam lies in the cast-in-situ concrete hollow intralamellar part, it is attractive in appearance not influence cast-in-place concrete cored external structure, does 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 the structural representation of the embodiment of the invention 4.

Fig. 5 is the structural representation of the embodiment of the invention 5.

Fig. 6 is the structural representation of the embodiment of the invention 6.

Fig. 7 is one of structural representation of light-wall pipe in the embodiment of the invention.

Fig. 8 be light-wall pipe in the embodiment of the invention structural representation two.

Fig. 9 be light-wall pipe in the embodiment of the invention structural representation three.

Figure 10 be light-wall pipe in the embodiment of the invention structural representation four.

Figure 11 be light-wall pipe in the embodiment of the invention structural representation five.

Figure 12 be light-wall pipe in the embodiment of the invention structural representation six.

Figure 13 be light-wall pipe in the embodiment of the invention structural representation seven.

Figure 14 be light-wall pipe in the embodiment of the invention structural representation eight.

Figure 15 be light-wall pipe in the embodiment of the invention structural representation nine.

Figure 16 be light-wall pipe in the embodiment of the invention structural representation ten.

Figure 17 be light-wall pipe in the embodiment of the invention structural representation 11.

Figure 18 be light-wall pipe in the embodiment of the invention structural representation 12.

Figure 19 be light-wall pipe in the embodiment of the invention structural representation 13.

Figure 20 be light-wall pipe in the embodiment of the invention structural representation 14.

Figure 21 be light-wall pipe in the embodiment of the invention structural representation 15.

Figure 22 be light-wall pipe in the embodiment of the invention structural representation 16.

Figure 23 be light-wall pipe in the embodiment of the invention structural representation 17.

Figure 24 be light-wall pipe in the embodiment of the invention structural representation 18.

Figure 25 be light-wall pipe in the embodiment of the invention structural representation 19.

Figure 26 be light-wall pipe in the embodiment of the invention structural representation 20.

Figure 27 be light-wall pipe in the embodiment of the invention structural representation 21.

Figure 28 be light-wall pipe in the embodiment of the invention structural representation 22.

Figure 29 be light-wall pipe in the embodiment of the invention structural representation 23.

(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, light-wall pipe 2; light-wall pipe 2 is wrapped up in and is contained in the steel bar concrete 1; be vertically arranged with cast-in-situ reinforced concrete rib 3; light-wall pipe 2 comprises hollow body 4, stiffener 5, plug 6; stiffener 5 is arranged in the cavity of hollow body 4; two ends of plug 6 closed hollow bodys 4; contain reinforce 7 at least one in hollow body 4, stiffener 5, the plug 6, it is characterized in that being provided with overlapping layers 8 at least one of described hollow body 4, stiffener 5 or plug 6 along pipe between the light-wall pipe 2.In each accompanying drawing, 1 is steel bar concrete, and 2 is light-wall pipe, and 3 is the cast-in-situ reinforced concrete rib, and 4 is hollow body, and 5 is stiffener, and 6 is plug, and 7 is reinforce, and 8 is overlapping layers, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, cast-in-place concrete cored steel bar concrete 1, the light-wall pipe 2 of comprising; light-wall pipe 2 is wrapped up in and is contained in the steel bar concrete 1; be vertically arranged with cast-in-situ reinforced concrete rib 3; light-wall pipe 2 comprises hollow body 4, stiffener 5, plug 6, and stiffener 5 is arranged in the cavity of hollow body 4, the two ends of plug 6 closed hollow bodys 4; contain reinforce 7 in the hollow body 4, is provided with overlapping layers 8 in its described plug 6 along pipe between the light-wall pipe 2.Shown in Fig. 1,2,3,4,5,6, the structural representation of in cast-in-place concrete cored, using for light-wall pipe 2 shown in Figure 7.

The present invention as shown in drawings, comprise steel bar concrete 1; light-wall pipe 2; light-wall pipe 2 is wrapped up in and is contained in the steel bar concrete 1; be vertically arranged with cast-in-situ reinforced concrete rib 3; light-wall pipe 2 comprises hollow body 4; stiffener 5; plug 6; stiffener 5 is arranged in the cavity of hollow body 4; two ends of plug 6 closed hollow bodys 4; hollow body 4; stiffener 5; contain reinforce 7 at least one in the plug 6; it is characterized in that described hollow body 4; be provided with overlapping layers 8 at least one of stiffener 5 or plug 6; light-wall pipe 2 exposes outside along pipe between the light-wall pipe 2; respectively with cast-in-place concrete cored upper surface or/and bottom surface flushes, constitute the cast-in-place concrete cored table of going up jointly or/and the structure-bearing member of going to the bottom.As shown in Figure 3, its described light-wall pipe 2 exposes outside, flush with cast-in-place concrete cored bottom surface, the cast-in-place concrete cored structure-bearing member of going to the bottom of common formation, as shown in Figure 4, its described light-wall pipe 2 exposes outside, and with cast-in-place concrete cored upper surface flush, constitutes the cast-in-place concrete cored structure-bearing member of going up table jointly.

Feature of the present invention also is to be provided with rib 9 between the cast-in-situ reinforced concrete end between the pipe end of described light-wall pipe 2, and links to each other with cast-in-situ reinforced concrete rib 3.As shown in Figure 1, be provided with rib 9 between the cast-in-situ reinforced concrete end between the pipe end of its described light-wall pipe 2, and link to each other with cast-in-situ reinforced concrete rib 3.

Rib 9 has formed rib between the elongated end of Cast-in-place concrete between the end that feature of the present invention also is to be provided with between described multiple row light-wall pipe 2 pipe ends.As shown in Figure 1, rib 9 has formed rib between the elongated end of Cast-in-place concrete between the end that is provided with between its described multiple row light-wall pipe 2 pipe ends.

Feature of the present invention is that also the overlapping layers 8 that is provided with on the described hollow body 4 is preformed layer or the cast-in-place layer of now smearing.As shown in Figure 8, the overlapping layers 8 that is provided with on its described hollow body 4 is a preformed layer.

Feature of the present invention is that also the overlapping layers 8 that is provided with on the described stiffener 5 is preformed layer or the cast-in-place layer of now smearing.As shown in Figure 9, the overlapping layers 8 that is provided with on its described stiffener 5 is the cast-in-place layer of now smearing.

Feature of the present invention is that also described plug 6 is prefabricated plug, and the overlapping layers 8 that is provided with on it is preformed layer or the cast-in-place layer of now smearing.As shown in figure 10, its described plug 6 is prefabricated plug, and the overlapping layers 8 that is provided with on it is the cast-in-place layer of now smearing, and as shown in figure 11, its described plug 6 is prefabricated plug, and the overlapping layers 8 that is provided with on it is a preformed layer.

Feature of the present invention also is to have in the described hollow body 4 reinforce 7 to stretch into respectively between plug 6 and the overlapping layers 8 from the two ends of pipe, and forms whole.As shown in figure 12, there is reinforce 7 to stretch into respectively between plug 6 and the overlapping layers 8 in its described hollow body 4, and forms whole from the two ends of pipe.

Feature of the present invention is that also described hollow body 4, stiffener 5 or plug 6 are prefabricated component, and overlapping part is overlapping layers 8 each other each other, and the light-wall pipe that is formed by connecting is superimposed with each other.As shown in figure 13, its described hollow body 4, stiffener 5 and plug 6 are prefabricated component, and overlapping part is overlapping layers 8 each other each other, and the light-wall pipe that is formed by connecting is superimposed with each other.

Feature of the present invention is that also described overlapping layers 8 is identical with the basic unit material.As shown in figure 11, its described overlapping layers 8 is identical with the basic unit material.

Feature of the present invention is that also described overlapping layers 8 is different with the basic unit material.As shown in figure 14, its described overlapping layers 8 is different with the basic unit material.

Feature of the present invention also be between described overlapping layers 8 and the basic unit with glued, bonding, interlock, seam, pressing, wire drawing, plate close, the mode of screw, riveted is overlapped into integral body.As shown in figure 15, be overlapped into integral body with bonding mode between its described overlapping layers 8 and the basic unit.

Feature of the present invention is that also described overlapping layers 8 is cement sand bed, cementitious material light aggregate concrete layer.As shown in figure 16, its described overlapping layers 8 is a cement sand bed.

Feature of the present invention also is to have in described hollow body 4, stiffener 5, plug 6 or the overlapping layers 8 at least one reinforce 7 to exposing outside, and is anchored in the steel bar concrete 1, and perhaps the reinforce 7 in separately stretches in the body of each adjacent member drawknot mutually.As shown in figure 17, reinforce 7 is arranged to exposing outside in its described hollow body, and be anchored in the steel bar concrete 1, as shown in figure 18, the reinforce 7 in its described hollow body 4 stretches in the body of plug 6 drawknot mutually.

Feature of the present invention also is also to be provided with on the described hollow body 4 at least one in inner corner trim 9, chamfering 10, groove 11, pit 12, hole 13, boss module 14, raised line 15, the external corner 16.As shown in figure 19, also be provided with inner corner trim 9, chamfering 10, groove 11, pit 12, hole 13, boss module 14, raised line 15 and external corner 16 on its described hollow body 4.

Feature of the present invention is that also described stiffener 5 is at least one in stiffening rib, bracing boom or the reinforcing rib, perhaps at least one in stiffening rib, bracing boom, the reinforcing rib exposed outside the hollow body 4, and be anchored in the steel bar concrete 1, perhaps also have reinforce 7 to expose on stiffening rib, bracing boom, the reinforcing rib, and be anchored in the steel bar concrete 1, perhaps muscle, netted reinforce 7 are revealed in the superimposed or superimposed back of stiffening rib, bracing boom, reinforcing rib and basic unit, and are anchored in the steel bar concrete 1.As shown in figure 20, its described stiffener 5 is stiffening rib, bracing boom and reinforcing rib.

Feature of the present invention is that also the end of plug 6 at the two ends of described hollow body 4 is a plug, and the other end is a stiffening rib formula stiffener 5, and perhaps two ends are stiffening rib formula stiffener 5.As shown in figure 21, the plug 6 at the two ends of its described hollow body 4 is stiffening rib formula stiffener 5, and as shown in figure 22, an end of the plug 6 at the two ends of its described hollow body 4 is a plug, and the other end is a stiffening rib formula stiffener 5.

Feature of the present invention also is to be provided with light material 17 in the cavity of described hollow body 4.As shown in figure 23, be provided with light material 17 in the cavity of its described hollow body 4, diagram light material 17 is an expanded perlite.

Feature of the present invention also be in described hollow body 4 or the plug 6 at least one for or dismountable movable part 18 arranged.As shown in figure 24, its described plug 6 is set to dismountable movable part 18.

Feature of the present invention is that also in the external surface of described hollow body 4, plug 6, overlapping layers 8 at least one is corrugated, zigzag or exasperate external surface.As shown in figure 25, the external surface of its described hollow body 4, plug 6 is the exasperate external surface.

Feature of the present invention is that also described hollow body 4 is provided with align member 19.As shown in figure 26, its described hollow body 4 is provided with align member 19.

Feature of the present invention is that also described light-wall pipe 2 is provided with connector 20 connected to one another between the light-wall pipe.As shown in figure 27, its described light-wall pipe 2 is provided with connector 20 connected to one another between the light-wall pipe.

Feature of the present invention is that also described at least two above light-wall pipes 2 are connected as one by connector 20, constitute body member in groups.As shown in figure 28, its described two light-wall pipes 2 are connected as one by connector 20, constitute body member in groups.

Feature of the present invention also is described hollow body 4, stiffener 5, plug 6 or overlapping layers 8 hollow body, stiffener, plug or the overlapping layers for cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, Cement fibre, Cement fibre net, cement mortar or concrete gauze wire cloth, cement mortar or concrete steel mesh reinforcement, wood glue plate, plastics, metal crimp template.As shown in figure 29, its described hollow body 4, stiffener 5, plug 6 and overlapping layers 8 are hollow body, stiffener, plug and the overlapping layers of cement mortar.

Feature of the present invention is that also described light-wall pipe 2 is provided with carrying part 21.As shown in figure 28, its described light-wall pipe 2 is provided with carrying part 21.

Feature of the present invention also is describedly also to be provided with dark beam 22 or/and bright beam 23 in cast-in-place concrete cored.As shown in Figure 5, it is described also to be provided with dark beam 22 in cast-in-place concrete cored, and as shown in Figure 6, it is described also to be provided with bright beam 23 in cast-in-place concrete cored.

During the invention process, press earlier construction requirement mounting bracket or template, lay hollow section 2, re-lay the reinforcing bar of reinforcing bar or dark beam 22 or bright beam 23, and various steel pipe buried in advance spare, pour concrete after the acceptance(check), after treating the concrete setting and harden, 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 cast-in-place concrete cored, comprise steel bar concrete (1); light-wall pipe (2); light-wall pipe (2) is wrapped up in and is contained in the steel bar concrete (1); be vertically arranged with cast-in-situ reinforced concrete rib (3); light-wall pipe (2) comprises hollow body (4); stiffener (5); plug (6); stiffener (5) is arranged in the cavity of hollow body (4); the two ends of plug (6) closed hollow body (4); hollow body (4); stiffener (5); contain reinforce (7) at least one in the plug (6), it is characterized in that described hollow body (4); be provided with overlapping layers (8) at least one of stiffener (5) or plug (6) along pipe between the light-wall pipe (2).

2; A kind of cast-in-place concrete cored; Comprise reinforced concrete (1); Light-wall pipe (2); Light-wall pipe (2) is wrapped up in and is contained in the reinforced concrete (1); Be vertically arranged with cast-in-situ reinforced concrete rib (3) along pipe between the light-wall pipe (2); Light-wall pipe (2) comprises hollow body (4); Stiffener (5); Plug (6); Stiffener (5) is arranged in the cavity of hollow body (4); The two ends of plug (6) closed hollow body (4); Hollow body (4); Stiffener (5); Contain reinforce (7) in the plug (6) at least one; It is characterized in that described hollow body (4); Be provided with overlapping layers (8) at least one of stiffener (5) or plug (6); Light-wall pipe (2) exposes outside; Respectively with cast-in-place concrete cored upper surface or/and bottom surface flushes, jointly consist of cast-in-place concrete cored upper table or/and the structure-bearing member of going to the bottom.

3,, it is characterized in that being provided with rib between the cast-in-situ reinforced concrete end (9) between the pipe end of described light-wall pipe (2), and link to each other with cast-in-situ reinforced concrete rib (3) according to claim 1 or 2 described a kind of cast-in-place concrete cored; Perhaps rib (9) has formed rib between the elongated end of Cast-in-place concrete between the end that is provided with between multiple row light-wall pipe (2) pipe end; It is preformed layer or the cast-in-place layer of now smearing that perhaps hollow body (4) is gone up the overlapping layers (8) that is provided with.

4,, it is characterized in that it is preformed layer or the cast-in-place layer of now smearing that described stiffener (5) is gone up the overlapping layers (8) that is provided with according to claim 1 or 2 described a kind of cast-in-place concrete cored; Perhaps plug (6) is prefabricated plug, and the overlapping layers (8) that is provided with on it is preformed layer or the cast-in-place layer of now smearing; There is reinforce (7) to stretch into respectively between plug (6) and the overlapping layers (8) in the perhaps hollow body (4), and forms whole from the two ends of pipe.

5, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that described hollow body (4), stiffener (5) or plug (6) are prefabricated component, overlapping part is overlapping layers (8) each other each other, and the light-wall pipe that is formed by connecting is superimposed with each other; Perhaps overlapping layers (8) is identical with the basic unit material; Perhaps overlapping layers (8) is different with the basic unit material.

6, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that between described overlapping layers (8) and the basic unit with glued, bonding, interlock, seam, pressing, wire drawing, plate close, the mode of screw, riveted is overlapped into integral body; Perhaps overlapping layers (8) is cement sand bed, cementitious material light aggregate concrete layer; Reinforce (7) is arranged to exposing outside in perhaps hollow body (4), stiffener (5), plug (6) or the overlapping layers (8) at least one, and be anchored in the steel bar concrete (1), perhaps the reinforce (7) in separately stretches in the body of each adjacent member drawknot mutually.

7, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that also being provided with on the described hollow body (4) at least one in inner corner trim (9), chamfering (10), groove (11), pit (12), hole (13), boss module (14), raised line (15), the external corner (16); Perhaps stiffener (5) is at least one in stiffening rib, bracing boom or the reinforcing rib, perhaps at least one in stiffening rib, bracing boom, the reinforcing rib exposed outside the hollow body (4), and be anchored in the steel bar concrete (1), perhaps also have reinforce (7) to expose on stiffening rib, bracing boom, the reinforcing rib, and be anchored in the steel bar concrete (1), perhaps muscle, netted reinforce (7) are revealed in the superimposed or superimposed back of stiffening rib, bracing boom, reinforcing rib and basic unit, and are anchored in the steel bar concrete (1); One end of the plug (6) at the two ends of perhaps hollow body (4) is a plug, and the other end is a stiffening rib formula stiffener (5), and perhaps two ends are stiffening rib formula stiffener (5).

8,, it is characterized in that being provided with light material (17) in the cavity of described hollow body (4) according to claim 1 or 2 described a kind of cast-in-place concrete cored; In perhaps hollow body (4) or the plug (6) at least one for or dismountable movable part (18) arranged; In the external surface of perhaps hollow body (4), plug (6), overlapping layers (8) at least one is corrugated, zigzag or exasperate external surface.

9, according to claim 1 or 2 described a kind of cast-in-place concrete cored, it is characterized in that described hollow body (4) is provided with align member (19); Perhaps according to claim 22 a kind of cast-in-place concrete cored, it is characterized in that described at least two above light-wall pipes (2) are connected as one by connector (20), constitute body member in groups.

10,, it is characterized in that described hollow body (4), stiffener (5), plug (6) or overlapping layers (8) hollow body, stiffener, plug or overlapping layers for cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, Cement fibre, Cement fibre net, cement mortar or concrete gauze wire cloth, cement mortar or concrete steel mesh reinforcement, wood glue plate, plastics, metal crimp template according to claim 1 or 2 described a kind of cast-in-place concrete cored; Perhaps light-wall pipe (2) is provided with carrying part (21); Also be provided with dark beam (22) in perhaps cast-in-place concrete cored or/and bright beam (23).

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