CN101302822A - Cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab - Google Patents
Cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab Download PDFInfo
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- CN101302822A CN101302822A CNA2008103010866A CN200810301086A CN101302822A CN 101302822 A CN101302822 A CN 101302822A CN A2008103010866 A CNA2008103010866 A CN A2008103010866A CN 200810301086 A CN200810301086 A CN 200810301086A CN 101302822 A CN101302822 A CN 101302822A
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Abstract
The invention discloses a field casting reinforced concrete or prestressed reinforced concrete hollow slab which comprises reinforced concrete, a hollow matrix (1); the hollow matrix (1)is enwrapped and contained in the filed casting reinforced concrete; the hollow matrix (1) is formed by the enclosing of the external walls (2), the interior of which is a cavity (3). The field casting reinforced concrete or prestressed reinforced concrete hollow slab is characterized in that at least one external wall (2) of the hollow matrix (1) is obtained by that precast sidings (4) and slurry green bodies (5) are superposed, soft and hard, and then cemented and hardened; the precast sidings (4) and the slurry green bodies (5) are superposed, hard inside and soft outside, and then cemented and hardened; in the superposed layer of the slurry green body (5), a reinforcer (6) is provided and is protruded from the hollow matrix (1); a stiffener (18) is arranged in the cavity (3), thereby being applicable to the filed casting reinforced concrete or the prestressed reinforced concrete hollow slabs, floors, roofs, walls, foundation base plates and bridges and particularly being applicable to the hollow girderless floors.
Description
The application for the applying date be that August 11, application number in 2004 are 200410155218.0, name is called the dividing an application of application for a patent for invention of " a kind of hollow die for pouring concrete filling on site ".
(1) technical field
The present invention relates to a kind of cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab.
(2) background technology
At present, cast-in-situ concrete hollow floor 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 the patent No. is that ZL00203695.9, name are called " combination concrete hidden rib floor structure " utility model patent, a kind of shuttering member is disclosed in its manual, it can be solid, also can be hollow, and its profile can be made shapes such as rectangle, circle, polygon according to designing requirement.Make inconvenience when but this building unit is produced, production efficiency is low, is not easy to streamline production, corresponding cost height.Therefore, develop a kind of novel cast-in-situ reinforced concrete or prestressed 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 or prestressed reinforced concrete hollow slab, have the characteristics such as easy, that production efficiency is high, cost is low of making.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, hollow matrix, hollow matrix is wrapped up in and is contained in the cast-in-situ reinforced concrete, hollow matrix is surrounded by outer wall and forms, and is cavity in it, and at least one place outer wall that it is characterized in that hollow matrix is that prefabricated wooden partition and the superimposed gluing of slip idiosome soft or hard form firmly admittedly, hard outer soft superimposed gluing is solid firmly in prefabricated wooden partition and the slip idiosome, in the overlapping layers of slip idiosome reinforce is arranged, reinforce exposes hollow matrix, and reinforcement is arranged in the cavity.Like this, overlapping layers intensity and shock resistance damage capability in the hollow matrix are greatly improved, and be not fragile when making hollow matrix be applied in the cast-in-situ concrete hollow floor, can fully satisfy the construction load bearing requirements, convenient construction.Because at least one place outer wall of hollow matrix is that prefabricated wooden partition and the superimposed gluing of slip idiosome soft or hard form firmly admittedly, thereby can make the hollow matrix of an opening earlier, then, with opening surface up, prefabricated exterior panel is hung or is positioned on the opening surface, on prefabricated exterior panel, use the shutoff of slip idiosome, after treating the slip sclerosis, maintenance can obtain described hollow matrix to stipulating the length of time, it is made easily, production efficiency is high, and corresponding cost is low; Simultaneously, characteristics such as that hollow matrix also has is simple in structure, intensity is high, rigidity is big, resistance to deformation, anti-vibration performance are good, easy construction, speed of application are fast, thereby reached purpose of the present invention, the hollow plate, superstructure, roof system, body of wall, sole plate and the bridge that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete use, and are particularly useful for hollow arch without beam and use.
Feature of the present invention is that also described hollow matrix is a polyhedron.Like this, when hollow matrix is polyhedron, manufacture conveniently, be easy to realize the mechanization production in enormous quantities; If when hollow matrix is the polyhedron hollow matrix of rule, then can more fully satisfy the user demand of the floor of various Rule Design.Simultaneously, present technique field personnel also can be according to demand, and production use polyhedron hollow matrix irregular reducing or abnormity satisfies the user demand under the different situations, uses with convenient.
Feature of the present invention is that also described hollow matrix is a hexahedron.Like this, when hollow matrix is hexahedron, manufacture conveniently, be easy to realize the mechanization production in enormous quantities; If when hollow matrix is the hexahedron hollow matrix of rule, then can more fully satisfy the user demand of the floor of various Rule Design.Simultaneously, present technique field personnel also can be according to demand, and production use hexahedron hollow matrix irregular reducing or abnormity satisfies the user demand under the different situations, uses with convenient.
Feature of the present invention is that also the outer wall of the face toward each other of one side at least of described hexahedron hollow matrix forms firmly admittedly by prefabricated wooden partition and the superimposed gluing of slip idiosome soft or hard.Like this, in the manufacturing process of hexahedron hollow matrix, adopt the glued hard solid mode of prefabricated wooden partition and slip idiosome soft or hard to make the wall of hollow matrix, formed the outer wall of iterative structure, the rigidity and the intensity of hollow matrix have been improved greatly, simultaneously, also reduce the required template of production hollow matrix, saved cost of manufacture.
Feature of the present invention is that also described hollow matrix is provided with spike, perhaps is provided with reinforce in the spike, and perhaps reinforce stretches into anchoring in the outer wall.Like this, when hollow matrix was applied in the Cast-in-place Concrete Building Floor, spike can support hollow matrix, exactly hollow matrix was arranged in the position, intermediate layer of superstructure, to guarantee the construction quality of superstructure.If reinforce is set in the spike, when perhaps its reinforce also stretches in the outer wall anchoring, can improve the intensity of spike and the bonding strength between spike and the hollow matrix, make spike not easy fracture drop, simultaneously, the ability of its carrying is improved.
Feature of the present invention is that also described spike is a fixing feet.Like this, the globality between spike and the hollow matrix is better, the construction of being more convenient for.
Feature of the present invention is that also described spike is movable pin.Like this, when hollow matrix is applied in the cast-in-situ concrete hollow floor, can improve the speed of application of hollow building cover greatly, simultaneously, convenient carrying, not fragile spike.
Feature of the present invention is that also described spike is the split pin.Like this, when spike is the split pin, in being set to cast-in-place hollow concrete superstructure before, spike is disassembled, made things convenient for hollow matrix production, pile up, transport and use, guaranteed the reliability of spike.
Feature of the present invention is that also described spike is mortar hard pin, concrete pin or plastic foot.Like this, can make things convenient for design and construction unit to select for use, help reducing the cost of hollow matrix.
Feature of the present invention also is described hollow matrix or/and spike is provided with the anti-floating part of fixing or split.Like this, the anti-floating part of fixing or split is set, when hollow matrix is applied in the cast-in-situ concrete hollow floor, by fixing of anti-floating part on hollow matrix or spike, the mobile dislocation and the come-up of hollow matrix can be prevented effectively, the pouring quality of cast-in-situ concrete hollow floor can be improved greatly.
Feature of the present invention is that also the side outer wall of described hollow matrix is provided with the rib spacing limit for width part of encorbelmenting.Like this, after the side outer wall of hollow matrix is provided with the rib spacing limit for width part of encorbelmenting, when hollow matrix is applied in the cast-in-situ concrete hollow floor, rib spacing limit for width part can guarantee effectively that the width of dark rib in the superstructure is consistent with the design width, play spacing in, rib spacing limit for width part also can play support intercostal action of steel bars, and the effect that reinforcing bar is positioned, make dark rib upper reinforcement can not drop to the bottom of dark rib, thereby guarantee the pouring quality of cast-in-situ concrete hollow floor effectively.
Feature of the present invention is that also the outer wall of described hollow matrix is provided with the filler strip or the cushion block of reinforcing bar.Like this, when hollow matrix is applied in the cast-in-situ concrete hollow floor, the filler strip of the reinforcing bar that is provided with on the outer wall of hollow matrix or cushion block, can make the reinforcing bar in the superstructure built on stilts, make to keep suitable spacing between reinforcing bar in the superstructure and the hollow matrix, behind the Cast-in-place concrete, can guarantee that reinforcing bar is bonded by Cast-in-place concrete fully, thereby guarantee that bond stress is evenly unified between reinforcing bar and the Cast-in-place concrete, guarantee the quality of Cast-in-place Concrete Building Floor; Simultaneously, also can prevent reinforcing bars rusting; And the setting of filler strip or cushion block makes the laying of reinforcing bar more convenient, can make things convenient for the construction application of hollow matrix greatly.
Feature of the present invention also is to be provided with reinforce in the described outer wall, and reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, metal foil band, organic thin band, fabric strip, fibre, fleece, fibrous mesh cloth, the short fiber.Like this, be provided with the outer wall of reinforce, its intensity is greatly improved, and the diversity of reinforce is convenient to selecting for use of material simultaneously, helps reducing the cost of hollow matrix.
Feature of the present invention is that also the reinforce in the described outer wall is connected with each other.Like this, after the reinforce in the outer wall is connected to each other, can improve the globality of hollow matrix greatly, make it not easy to crack, simultaneously, can reduce the proportion of goods damageds of hollow matrix significantly, reduce construction cost.
Feature of the present invention is that also described reinforce exposes outside the hollow matrix.Like this, after described hollow matrix is applied in the superstructure, expose the reinforce and the Cast-in-place concrete combination of hollow matrix, can improve the adhesion strength between hollow matrix and the Cast-in-place concrete greatly, remedy the cast-in-place and prefabricated joint interface loss of strength that engages, help construction application.
Feature of the present invention also is also to be provided with on the described hollow matrix at least one in arc angle, chamfering, inner corner trim, groove, pit, the hole.Like this, when structure needed local the reinforcement, positions such as arc angle, chamfering, inner corner trim, groove, pit, hole combined with Cast-in-place concrete, can do local the reinforcement to structure, made structure more reasonable; Also be convenient to the layout of various pipelines simultaneously at positions such as arc angle, chamfering, inner corner trim, groove, pit, holes, help reducing construction cost.
Feature of the present invention is that also at least one face of the outer wall of described hollow matrix is provided with the groove of cross or groined type or M shape.Like this, when hollow matrix is applied to superstructure, after Cast-in-place concrete is poured in the groove, cast-in-place cross or well word or M shape concrete reinforcing rib have been formed, the cross reinforcing rib has been strengthened the Cast-in-place concrete thin plate on hollow matrix top, the groined type reinforcing rib can increase substantially the supporting capacity of hollow matrix top Cast-in-place concrete thin plate, and the M shape reinforcing rib then makes the Cast-in-place concrete thin plate on hollow matrix top form multidirectional structure from stress to eight directions that can transmit, and they all can improve the intensity and the rigidity of superstructure effectively.
Feature of the present invention also is to be provided with in the described cavity prefabricated reinforcement.Like this, owing to be provided with prefabricated reinforcement in the cavity, thereby the intensity of hollow matrix and rigidity improves greatly, carry and work progress in be not prone to phenomenon such as breakage, simultaneously, also can participate in the stressed and power transmission of superstructure.
Feature of the present invention is that also described prefabricated reinforcement is hollow rod member, and the two-port of hollow rod member is connected with the outer wall outside, forms the hole that is communicated with.Like this, owing to be formed with the hole of connection on the hollow matrix, in work progress, pour into concrete, cast-in-place and the prefabricated reinforcement that combines can be formed, the intensity and the rigidity of reinforcement can be strengthened greatly, simultaneously, can participate in the stressed and power transmission of superstructure, improve the mechanical property of superstructure; In addition, reinforcement is hollow reinforcement, can alleviate the weight of hollow matrix greatly, is convenient to transportation, construction.
Feature of the present invention is also that the groove that is provided with on the described hollow matrix is connected with the hole of the connection of hollow rod member and communicates.Like this, when pouring into concrete, the Cast-in-place concrete reinforcement in the Cast-in-place concrete reinforcing rib of formation and the hollow matrix combines, and can improve the mechanical property of superstructure greatly, makes building cover structure more firm, reasonable, and the overall performance of superstructure is better.
Feature of the present invention also is the tyre sidewall of described outer wall for flat board, arc plate, flap, corrugated sheet or its combination.Like this, when outer wall was flat board, hollow matrix was manufactured conveniently, and concrete is at its external surface good fluidity; If the arc plate then can make the floor of using its hollow matrix form continuous arch force structure, and when effectively improving superstructure boring rate, can increase the bonding area of outer wall and Cast-in-place concrete greatly, it is in aggregates that hollow matrix and Cast-in-place concrete are merged, and can improve the globality of superstructure effectively.
Feature of the present invention is that also the outer wall of described hollow matrix is provided with the detachable connection cover plate of at least one activity, perhaps has reinforce to expose on the cover plate.Like this, removably connect cover plate or reveal the cover plate of reinforce of setting, in construction, can conveniently check its internal construction situation, and make things convenient for the laying of pipeline or other prefabricated component such as switch enclosure, electric wire box, stiffening rib, bracing boom etc., on it expose reinforce and Cast-in-place concrete combines, can make it have better bond stress, after the construction, its globality is better.When reinforce after connect cover plate and expose, can improve the adhesion strength between itself and the Cast-in-place concrete greatly.
Feature of the present invention is also that described connection cover plate is provided with and is connected the connector that coincide with hollow matrix.Like this, be provided with and be connected the connector that coincide with hollow matrix and can engage or dismantle cover plate quickly and easily; During Cast-in-place concrete, can prevent effectively that concrete from flowing in the hollow matrix internal cavities.Connector can be cutting ferrule, bolt, male and female groove, socket component, indention etc.
Feature of the present invention is that also the spike on the bottom surface of described hollow matrix is arranged with base plate.Like this, the base plate under the spike can replace the template in the work progress, can save great amount of manpower and material resources, save template dress, tear operation open, improve speed of application, reduce difficulty of construction.
Feature of the present invention is that also described hollow matrix is provided with at least one in junction box, conduit, airduct or the water pipe.Like this, can lay junction box, hydroelectric line very easily, airduct is arranged at also can save the shared architectural space of peripheral hardware airduct in the hollow matrix, effective usage space of building is improved, the setting of water pipe can hiddenly very easily be leaked water, save pipeline and lay the space, make fire main lay safer convenience.
Feature of the present invention also is the interior part of the cavity of described hollow matrix or all is filled with light material.Light material can be foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete etc.Like this, can improve the insulation of hollow matrix, heat insulation, sound insulation value greatly.
Feature of the present invention is that also described hollow matrix is provided with the boss module.Like this,, the concrete position that do not stress can be replaced with the boss module, can alleviate construction weight, reduce the superstructure cost according to design requirement.
Feature of the present invention is that also described boss module is that bonding, welding, riveted joint, socket joint, cutting ferrule, bolt are connected and fixed on the hollow matrix, perhaps the integral body that is formed in one of boss module and hollow matrix.Like this, the boss module can be connected on the carcass by various modes, and it is simple that it is made, and uses more convenient.
Feature of the present invention is that also the outer wall of described hollow matrix is provided with the overlapping layers of strip or tabular light material.Like this, after strip or tabular light material overlapping layers are set on the outer wall of hollow matrix, different situations and requirement according to practical application, can be on strip or tabular light material fluting or hole or hole and can not damage hollow matrix, greatly facilitate burying underground of pipeline, reinforcing bar and various built-in fittings in the construction application process.
But feature of the present invention also is plural hollow matrix disjunctor and forms unidirectional, two-way or multidirectional core assembly.Like this, disjunctor hollow matrix in groups can make construction more simple, and speed of application is faster, and structure is lighter, designs more easy.
Feature of the present invention is that also one group of relative two sides outer wall of described hollow matrix is parallel.Like this, when above-mentioned hollow matrix was applied in the cast-in-situ concrete hollow floor, the dark rib of the outer wall energy formation rule of opposing parallel helped superstructure inside force structure is carried out quality control.
Feature of the present invention is that also two groups of relative two sides outer walls of described hollow matrix are parallel separately.Like this, when above-mentioned hollow matrix was applied in the cast-in-situ concrete hollow floor, two groups of relative two sides outer walls were parallel separately, can make the stressed dark rib opposing parallel of superstructure inside, can optimize the force structure system greatly, improved the mechanical property of superstructure.
Feature of the present invention is that also three groups of relative two sides outer walls of described hollow matrix are parallel separately.Like this, when above-mentioned hollow matrix was applied in the cast-in-situ concrete hollow floor, three groups of relative two sides outer walls were parallel separately, can make the stressed dark rib opposing parallel of superstructure inside, can optimize the force structure system greatly, improved the mechanical property of superstructure.
Feature of the present invention is that also described hollow matrix is provided with connector and stretches out.Like this, after hollow matrix is provided with the connector that stretches out, can make things convenient between the hollow matrix and hollow matrix is connected with other member that need be attached thereto or reinforcing bar, particularly when hollow matrix is applied in the cast-in-situ concrete hollow floor, convenient construction fully satisfies the instructions for use of different user greatly.
(4) description of drawings
Fig. 1 is the hollow matrix structural representation in the embodiment of the invention 1, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Fig. 2 is the hollow matrix structural representation in the embodiment of the invention 2, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Fig. 3 is the hollow matrix structural representation in the embodiment of the invention 3, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Fig. 4 is the hollow matrix structural representation in the embodiment of the invention 4, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Fig. 5 is the hollow matrix structural representation in the embodiment of the invention 5, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Fig. 6 is the hollow matrix structural representation in the embodiment of the invention 6, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Fig. 7 is the hollow matrix structural representation in the embodiment of the invention 7, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Fig. 8 is the hollow matrix structural representation in the embodiment of the invention 8, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Fig. 9 is the hollow matrix structural representation in the embodiment of the invention 9, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 10 is the hollow matrix structural representation in the embodiment of the invention 10, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 11 is the hollow matrix structural representation in the embodiment of the invention 11, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 12 is the hollow matrix structural representation in the embodiment of the invention 12, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 13 is the hollow matrix structural representation in the embodiment of the invention 13, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 14 is the hollow matrix structural representation in the embodiment of the invention 14, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 15 is the hollow matrix structural representation in the embodiment of the invention 15, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 16 is the hollow matrix structural representation in the embodiment of the invention 16, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 17 is the hollow matrix structural representation in the embodiment of the invention 17, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 18 is the hollow matrix structural representation in the embodiment of the invention 18, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 19 is the hollow matrix structural representation in the embodiment of the invention 19, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 20 is the hollow matrix structural representation in the embodiment of the invention 20, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 21 is the hollow matrix structural representation in the embodiment of the invention 21, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 22 is the hollow matrix structural representation in the embodiment of the invention 22, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 23 is the hollow matrix structural representation in the embodiment of the invention 23, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 24 is the hollow matrix structural representation in the embodiment of the invention 24, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 25 is the hollow matrix structural representation in the embodiment of the invention 25, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 26 is the hollow matrix structural representation in the embodiment of the invention 26, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 27 is the hollow matrix structural representation in the embodiment of the invention 27, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 28 is the hollow matrix structural representation in the embodiment of the invention 28, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 29 is the hollow matrix structural representation in the embodiment of the invention 29, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 30 is the hollow matrix structural representation in the embodiment of the invention 30, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
Figure 31 is the hollow matrix structural representation in the embodiment of the invention 31, is the partial sectional view of hollow matrix simultaneously, can see the structure of hollow matrix cavity inside.
(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, hollow matrix 1, hollow matrix 1 is wrapped up in and is contained in the cast-in-situ reinforced concrete, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, it is characterized in that at least one place outer wall 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, hard outer soft superimposed gluing is solid firmly in prefabricated wooden partition 4 and the slip idiosome 5, reinforce 6 is arranged in the overlapping layers of slip idiosome 5, and reinforce 6 exposes hollow matrix 1, and reinforcement 18 is arranged in the cavity 3.In each accompanying drawing, 1 is hollow matrix, and 2 is outer wall, and 3 is cavity, and 4 is prefabricated wooden partition, and 5 is the slip idiosome, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and the external wall of upper portion 2 of its described hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards.As shown in figure 16, the bottom outer wall 2 of hollow matrix 1 has reinforce 6 for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly in the overlapping layers of slip idiosome 5, and reinforce 6 exposes hollow matrix 1.As shown in figure 19, in the cavity 3 reinforcement 18 is arranged.
As shown in Figure 2, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and the external wall of upper portion 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, reinforce 6 is arranged in the overlapping layers of its described slip idiosome 5, and diagram reinforce 6 is a fibrous mesh cloth.
Feature of the present invention is that also described hollow matrix 1 is polyhedron.As shown in Figure 3, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and the external wall of upper portion 2 of hollow matrix 1 is for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, and its described hollow matrix 1 is the polyhedron of terrace with edge shape.
Feature of the present invention is that also described hollow matrix 1 is hexahedron.As shown in Figure 4, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and a side outer wall 2 of hollow matrix 1 is for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, and its described hollow matrix 1 is a hexahedron.
Feature of the present invention is that also the outer wall 2 of the face toward each other of one side at least of described hexahedron hollow matrix 1 forms firmly admittedly by prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards.As shown in Figure 5, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, hollow matrix 1 has side outer wall 2 for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, and the side outer wall 2 of the face toward each other of its described hexahedron hollow matrix 1 forms firmly admittedly by prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards.
Feature of the present invention is that also described hollow matrix 1 is provided with spike 7, perhaps is provided with reinforce 6 in the spike 7, and perhaps reinforce 6 stretches into anchoring in the outer wall 2.As shown in Figure 6, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, the external wall of upper portion 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, its described hollow matrix 1 is provided with spike 7, also be provided with reinforce 6 in the spike 7, and reinforce 6 stretches into anchoring in the outer wall 2.
Feature of the present invention is that also described spike 7 is fixing feet.As shown in Figure 7, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, the external wall of upper portion 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, the outer wall 2 of going to the bottom at hollow matrix is arranged with spike 7, and its described spike 7 is and outer wall 2 integrated fixing feet.
Feature of the present invention is that also described spike 7 is movable pin.As shown in Figure 8, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and the external wall of upper portion 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, the outer wall 2 of going to the bottom at hollow matrix is arranged with spike 7, and its described spike 7 is dismountable movable pin.
Feature of the present invention is that also described spike 7 is the split pin.As shown in Figure 9, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, the external wall of upper portion 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, the outer wall 3 of going to the bottom at hollow matrix is arranged with spike 7, and its described spike 7 is the split pin detachable with outer wall 3.
Feature of the present invention is that also described spike 7 is mortar hard pin, concrete pin or plastic foot.As shown in figure 10, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and the external wall of upper portion 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, the outer wall 3 of going to the bottom at hollow matrix is arranged with spike 7, and its described spike 7 is a plastic foot.
Feature of the present invention also is described hollow matrix 1 or/and spike 7 is provided with the anti-floating part 8 of fixing or split.As shown in figure 11, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, the external wall of upper portion 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, the outer wall 2 of going to the bottom at hollow matrix is arranged with spike 7, the side outer wall 2 of its described hollow matrix 1 is provided with fixing anti-floating part 8, and diagram anti-floating draw piece 8 is an iron wire.
Feature of the present invention is that also the side outer wall 2 of described hollow matrix 1 is provided with the rib spacing limit for width part 9 of encorbelmenting.As shown in figure 12, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, the external wall of upper portion 2 of hollow matrix 1 is for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, and the adjacent side outer wall 2 of its described hollow matrix 1 is provided with the rib spacing limit for width part 9 of encorbelmenting.
Feature of the present invention is that also the outer wall 2 of described hollow matrix 1 is provided with the filler strip 10 or the cushion block 11 of reinforcing bar.As shown in figure 13, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, it is that prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly that wall body is arranged in the side outer wall 2 of hollow matrix 1, and the external wall of upper portion 2 of its described hollow matrix 1 is provided with the filler strip 10 of reinforcing bar.
Feature of the present invention also is to be provided with reinforce 6 in the described outer wall 2, and reinforce 6 is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, metal foil band, organic thin band, fabric strip, fibre, fleece, fibrous mesh cloth, the short fiber.As shown in figure 14, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, it is that prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly that wall body is arranged in the side outer wall 2 of hollow matrix 1, the outer wall 2 of hollow matrix 1 is provided with the cushion block 11 of reinforcing bar, be provided with reinforce 6 in its described outer wall 2, diagram reinforce 6 is a gauze wire cloth, also can be fiberglass gridding cloth.
Feature of the present invention is that also the reinforce 6 in the described outer wall 2 is connected with each other.As shown in figure 15, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, it is that prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly that wall body is arranged in the side outer wall 2 of hollow matrix 1, the outer wall 2 of hollow matrix 1 is provided with the cushion block 11 of reinforcing bar, be provided with reinforce 6 in the outer wall 2, the reinforce 6 in its described outer wall 2 is connected with each other, and diagram reinforce 6 is the metal foil band.
Feature of the present invention is that also described reinforce 6 exposes outside the hollow matrix 1.As shown in figure 16, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, the outer wall 2 of going to the bottom of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, be provided with reinforce 6 in the upper plate outer wall 2, its described reinforce 6 exposes outside the hollow matrix 1, and diagram reinforce 6 is a gauze wire cloth.
Feature of the present invention also is also to be provided with on the described hollow matrix 1 at least one in arc angle 12, chamfering 13, inner corner trim 14, groove 15, pit 16, the hole 17.As shown in figure 17, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, hollow matrix 1 go to the bottom 2 for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, also be provided with arc angle 12, pit 16 and hole 17 simultaneously on its described hollow matrix 1.
Feature of the present invention is that also at least one face of the outer wall 2 of described hollow matrix 1 is provided with the groove 15 of cross or groined type or M shape.As shown in figure 18, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, going to the bottom of hollow matrix 12 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, also be provided with chamfering 13, inner corner trim 14 and groove 15 on the hollow matrix 1 simultaneously, the groove 15 that is provided with on the upper plate outer wall 2 of its described hollow matrix 1 is a cross groove.
Feature of the present invention also is to be provided with prefabricated reinforcement 18 in the described cavity 3.As shown in figure 19, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, going to the bottom of hollow matrix 12 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, also be provided with vertical groove 15 on the side outer wall 2 of hollow matrix 1, be provided with prefabricated reinforcement 18 in its described cavity 3.
Feature of the present invention is that also described prefabricated reinforcement 18 is hollow rod member, and the two-port of hollow rod member is connected with outer wall 2 outsides, forms the hole 17 that is communicated with.As shown in figure 19, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, the following outer wall 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, also be provided with vertical groove 15 on the side outer wall 2 of hollow matrix 1, be provided with prefabricated reinforcement 18 in the cavity 3, its described prefabricated reinforcement 18 is hollow rod member, the two-port of hollow rod member is connected with outer wall 2 outsides, forms the hole 17 that is communicated with.
Feature of the present invention is also on the described hollow matrix 1 that the groove 15 that is provided with is connected with the hole 17 of the connection of hollow rod member 18 and communicates.As shown in figure 20, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, the following outer wall 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, also be provided with vertical groove 15 on the top outer wall 2 of hollow matrix 1, its described groove 15 is connected with the hole 17 of the connection of hollow rod member 18 and communicates.
Feature of the present invention also is the tyre sidewall of described outer wall 2 for flat board, arc plate, flap, corrugated sheet or its combination.As shown in figure 21, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, hollow matrix 1 go to the bottom 2 for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, its described side outer wall 2 is an arc plate outer wall.
Feature of the present invention is that also the outer wall 2 of described hollow matrix 1 is provided with the detachable connection cover plate 19 of at least one activity, perhaps has reinforce 6 to expose on the cover plate 19.As shown in figure 22, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, hollow matrix 1 go to the bottom 2 for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, the top outer wall 2 of its described hollow matrix 1 is provided with the detachable connection cover plate 19 of an activity.
Feature of the present invention is also that described connection cover plate 19 is provided with and is connected the connector 20 that coincide with hollow matrix 1.As shown in figure 23, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, hollow matrix 1 go to the bottom 2 for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, its described connection cover plate 19 is provided with and is connected the connector 20 that coincide with hollow matrix 1.
Feature of the present invention is that also the spike 7 on the bottom surface of described hollow matrix 1 is arranged with base plate 21.As shown in figure 24, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, it is that prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly that wall body is arranged in the side outer wall 2 of hollow matrix 1, and the spike 7 on its described bottom surface is arranged with spike 7 and is linked as whole base plate 21.
Feature of the present invention is that also described hollow matrix 1 is provided with at least one in junction box 22, conduit 23, airduct 24 or the water pipe 25.As shown in figure 25, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, it is that prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly that wall body is arranged in the side outer wall 2 of hollow matrix 1, and its described outer wall 2 is provided with junction box 22 and conduit 23 for hollow matrix 1.As shown in figure 26, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, it is that prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly that wall body is arranged in the side outer wall 2 of hollow matrix 1, and its described outer wall 2 is provided with airduct 24 and water pipe 25 for hollow matrix 1.
Feature of the present invention also is the cavity 3 interior parts of described hollow matrix 1 or all is filled with light material 26.As shown in figure 27, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, it is that prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly that wall body is arranged in the side outer wall 2 of hollow matrix 1, be filled with light material 26 along the wall body part in the cavity 3 of its described hollow matrix 1, diagram light material 26 is an expanded perlite.
Feature of the present invention is that also described hollow matrix 1 is provided with boss module 27.As shown in figure 28, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, hollow matrix 1 go to the bottom 2 for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, its described hollow matrix 1 is provided with boss module 27.
Feature of the present invention is that also described boss module 27 is connected and fixed on the hollow matrix 1 for bonding, welding, riveted joint, socket joint, cutting ferrule, bolt, perhaps the integral body that is formed in one of boss module 27 and hollow matrix 1.As shown in figure 28, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, hollow matrix 1 go to the bottom 2 for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, its described boss module 27 is connected and fixed on hollow module on the hollow matrix 1 for riveted joint.
Feature of the present invention is that also the outer wall 2 of described hollow matrix 1 is provided with the overlapping layers of strip or tabular light material 26.As shown in figure 29, hollow matrix 1 is surrounded by outer wall 2 and forms, it in it cavity 3, going to the bottom of hollow matrix 12 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, the external wall of upper portion 2 of its described hollow matrix 1 is provided with the overlapping layers of tabular light material 26, and diagram light material 26 is an expanded perlite.
But feature of the present invention also is plural hollow matrix 1 disjunctor and forms unidirectional, two-way or multidirectional core assembly.As shown in figure 30, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and the external wall of upper portion 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, its described two hollow matrix 1 disjunctors are formed unidirectional core assembly, and two carcasses are connected by connector 20.
Feature of the present invention is that also one group of relative two sides outer wall 3 of described hollow matrix 1 is parallel.As shown in Figure 3, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, it is that prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly that wall body is arranged in the top outer wall 2 of hollow matrix 1, the going up next to organize relative two sides outer wall 3 parallel of its described hollow matrix 1.
Feature of the present invention is that also two groups of relative two sides outer walls 3 of described hollow matrix 1 are parallel separately.As shown in Figure 4, hollow matrix 1 is surrounded by outer wall 2 and forms, be cavity 3 in it, a side outer wall 2 of hollow matrix 1 is for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, and two groups of relative two sides outer walls 3 of its described hollow matrix 1 are parallel separately.
Feature of the present invention is that also three groups of relative two sides outer walls 3 of described hollow matrix 1 are parallel separately.As shown in Figure 5, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and the side outer wall 2 of hollow matrix 1 is for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards form firmly admittedly, and three groups of relative two sides outer walls 3 of its described hollow matrix 1 are parallel separately.
Feature of the present invention is that also described hollow matrix 1 is provided with connector 20 and stretches out.As shown in figure 31, hollow matrix 1 is surrounded by outer wall 2 and forms, and is cavity 3 in it, and the top outer wall 2 of hollow matrix 1 forms firmly admittedly for prefabricated wooden partition 4 and the superimposed gluing of slip idiosome 5 soft or hards, its described hollow matrix 1 is provided with connector 20 and stretches out, and diagram connector 20 is for connecting cutting ferrule.
During the invention process, can make the hollow matrix 1 of an opening earlier, then, with opening surface up, prefabricated wooden partition 4 is hung or is positioned on the opening surface, on prefabricated wooden partition 4 with 5 shutoff of slip idiosome, treat the slip sclerosis after, maintenance can obtain described hollow die for pouring concrete filling on site to stipulating the length of time.
Claims (10)
1. cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab, comprise steel bar concrete, hollow matrix (1), hollow matrix (1) is wrapped up in and is contained in the cast-in-situ reinforced concrete, hollow matrix (1) is surrounded by outer wall (2) and forms, it in it cavity (3), at least one place outer wall (2) that it is characterized in that hollow matrix (1) forms firmly admittedly for prefabricated wooden partition (4) and the superimposed gluing of slip idiosome (5) soft or hard, hard outer soft superimposed gluing is solid firmly in prefabricated wooden partition (4) and the slip idiosome (5), reinforce (6) is arranged in the overlapping layers of slip idiosome (5), reinforce (6) exposes hollow matrix (1), and reinforcement (18) is arranged in the cavity (3).
2. a kind of cast-in-situ reinforced concrete according to claim 1 or prestressed reinforced concrete hollow slab is characterized in that described hollow matrix (1) is a polyhedron.
3. a kind of cast-in-situ reinforced concrete according to claim 1 or prestressed reinforced concrete hollow slab is characterized in that described hollow matrix (1) is a hexahedron; Perhaps the outer wall (2) of the face toward each other of one side at least of hexahedron hollow matrix (1) forms firmly admittedly by prefabricated wooden partition (4) and the superimposed gluing of slip idiosome (5) soft or hard.
4. a kind of cast-in-situ reinforced concrete according to claim 1 or prestressed reinforced concrete hollow slab, it is characterized in that described hollow matrix (1) is provided with spike (7), perhaps be provided with reinforce (6) in the spike (7), perhaps reinforce (6) stretches into the interior anchoring of outer wall (2); Perhaps spike (7) is a fixing feet; Perhaps spike (7) is movable pin; Perhaps spike (7) is the split pin; Perhaps spike (7) is mortar hard pin, concrete pin or plastic foot; Perhaps hollow matrix (1) is or/and spike (7) is provided with the anti-floating part (8) of fixing or split; Perhaps the side outer wall (2) of hollow matrix (1) is provided with the rib spacing limit for width part (9) of encorbelmenting; Perhaps the outer wall (2) of hollow matrix (1) is provided with the filler strip (10) or the cushion block (11) of reinforcing bar.
5. according to described a kind of cast-in-situ reinforced concrete of arbitrary claim in the claim 1 to 4 or prestressed reinforced concrete hollow slab, it is characterized in that being provided with in the described outer wall (2) reinforce (6); Perhaps the reinforce (6) in the outer wall (2) is connected with each other.
6. according to described a kind of cast-in-situ reinforced concrete of arbitrary claim in the claim 1 to 4 or prestressed reinforced concrete hollow slab, it is characterized in that also being provided with on the described hollow matrix (1) at least one in arc angle (12), chamfering (13), inner corner trim (14), groove (15), pit (16), the hole (17); Perhaps at least one face of the outer wall (2) of hollow matrix (1) is provided with the groove (15) of cross or groined type or M shape; Perhaps be provided with prefabricated reinforcement (18) in the cavity (3); Perhaps prefabricated reinforcement (18) is hollow rod member, and the two-port of hollow rod member is connected with outer wall (2) outside, forms the hole (17) that is communicated with; Perhaps the groove (15) that go up to be provided with of hollow matrix (1) is connected with the hole (17) of the connection of hollow rod member (18) and communicates.
7. according to described a kind of cast-in-situ reinforced concrete of arbitrary claim in the claim 1 to 4 or prestressed reinforced concrete hollow slab, it is characterized in that the tyre sidewall of described outer wall (2) for flat board, arc plate, flap, corrugated sheet or its combination; Perhaps the outer wall (2) of hollow matrix (1) is provided with the detachable connection cover plate (19) of at least one activity, perhaps has reinforce (6) to expose on the cover plate (19); Perhaps connecting cover plate (19) is provided with and is connected the connector (20) that coincide with hollow matrix (1).
8. according to described a kind of cast-in-situ reinforced concrete of arbitrary claim in the claim 1 to 4 or prestressed reinforced concrete hollow slab, it is characterized in that the spike (7) on the bottom surface of described hollow matrix (1) is arranged with base plate (21); Perhaps hollow matrix (1) is provided with at least one in junction box (22), conduit (23), airduct (24) or the water pipe (25); Perhaps local or all be filled with light material (26) in the cavity (3) of hollow matrix (1); Perhaps hollow matrix (1) is provided with boss module (27); Perhaps boss module (27) is connected and fixed on the hollow matrix (1) for bonding, welding, riveted joint, socket joint, cutting ferrule, bolt, perhaps the integral body that is formed in one of boss module (27) and hollow matrix (1).
9. according to described a kind of cast-in-situ reinforced concrete of arbitrary claim in the claim 1 to 4 or prestressed reinforced concrete hollow slab, the outer wall (2) that it is characterized in that described hollow matrix (1) is provided with the overlapping layers of strip or tabular light material (26); Perhaps plural hollow matrix (1) but disjunctor is formed unidirectional, two-way or multidirectional core assembly; Perhaps one group of relative two sides outer wall (3) of hollow matrix (1) is parallel.
10. according to described a kind of cast-in-situ reinforced concrete of arbitrary claim in the claim 1 to 4 or prestressed reinforced concrete hollow slab, it is characterized in that two groups of relative two sides outer walls (3) of described hollow matrix (1) are parallel separately; Perhaps three groups of relative two sides outer walls (3) of hollow matrix (1) are parallel separately; Perhaps hollow matrix (1) is provided with connector (20) and stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008103010866A CN101302822A (en) | 2004-08-11 | 2004-08-11 | Cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008103010866A CN101302822A (en) | 2004-08-11 | 2004-08-11 | Cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101552180A Division CN100381668C (en) | 2004-08-11 | 2004-08-11 | Hollow mould for cast-in-situ concrete filling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101302822A true CN101302822A (en) | 2008-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008103010866A Pending CN101302822A (en) | 2004-08-11 | 2004-08-11 | Cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab |
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| Country | Link |
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| CN (1) | CN101302822A (en) |
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Open date: 20081112 |