A kind of Cavity structural member
The application for the applying date be that June 24, application number in 2003 are 03146750.4, name is called the dividing an application of application for a patent for invention of " a kind of Cavity structural member ".
(1) technical field
The present invention relates to a kind of Cavity structural member.
(2) background technology
Advantages such as at present, the building of brick mix structure and reinforced concrete structure major part adopts precast hollow slab as floor structure, and it is fast that this floor structure has speed of application, and cost is low.But, only use the cement mortar joint filling, thereby globality is poor, is unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur owing to firmly do not link between adjacent two precast hollow slabs.In order to address the above problem, a lot of building have adopted the method for Cast-in-place concrete floor (solid, hollow), though solved antidetonation and problems of crack, will use template in a large number during construction, have not only increased expense, and have slowed down speed of application, have prolonged the duration.Application number is " a kind of combination concrete rib floor structure " utility model patent of 00203695.9, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is placed at interval, on prefabricated plate, be fixed with formwork, be provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connects as one with dark rib.Though this floor structure can be saved a large amount of templates, accelerate construction progress, but because formwork is what to separate with prefabricated plate, its strength and stiffness are corresponding relatively poor, thereby the problem that exists formwork easily to break, simultaneously, formwork is fixed on and does not relate to concrete fixed form on the prefabricated plate, thereby fixed in place is difficult.And the patent No. is 93206310.1 shuttering member utility model patent, it constitutes hollow mould shell by sidewall and formwork upper plate and is connected to form totally-enclosed cavity polyhedral structure with lower shoe again, prefabricated ribs is arranged in it, during use member is placed on the supporter of floor gap, formation bonded to one another is whole between cast-in-place main rib, the shuttering member.When this kind member uses, be a kind of prefabricated noggin piece purely, the ribs in the die housing only is used to support formwork, can not participate in the whole stressed of superstructure.And when being applied in than the large spatial structure superstructure, its stress performance is also phase strain differential thereupon, do not have time rib between the cast-in-place main rib and connect, thereby make the size of main rib need the phase strain big, or the quantity of main rib increases, and causes material usage to increase, and cost increases.For this reason, the applicant has applied for that November 15 calendar year 2001 publication number is that CN1349028A, name are called " a kind of Comobined ribbed cavity member for spatial structure roof " patent of invention, its disclosed Cavity structural member includes formwork and structure base plate, hollow mould shell and structure base plate connect into integral body, it is characterized in that having 2 hollow mould shells on the structure base plate at least alternately, its side and structure base plate constitute at least one cast-in-place structural time rib die cavity, and other lateral surface of hollow mould shell constitutes the side template of cast-in-place structural main rib or beam or wall.Like this, because on the prior art basis, at least 2 hollow mould shells and at least 1 cast-in-place structural time rib die cavity are arranged on the structure base plate, when Cavity structural member is applied to building cover structure, on the structure base plate, just can form cast-in-situ concrete structure time rib, fellowship structure base plate, main rib, upper plate stressed, form two-way main rib time rib force structure, problems of the prior art have not only been solved, but also overall performance, the anti-seismic performance of superstructure have further been improved, reduce the thickness of superstructure, alleviated dead load, reduced cost.After but this Cavity structural member was applied to hollow building cover, because formed Cast-in-place concrete rib is the rib of rectangle, its stress performance was not quite reasonable, often need increase the sectional dimension of rib, increase reinforcing bar and concrete consumption, increase the cost of superstructure, therefore, develop a kind of novel Cavity structural member for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of Cavity structural member, after being applied to hollow building cover, have the mechanical property of improving superstructure, reduce the Cast-in-place concrete rib sectional dimension, reduce reinforcing bar and concrete consumption, reduce characteristics such as superstructure cost, Cavity structural member also has characteristics such as intensity height, cracky, easy construction, cost be not low simultaneously.
Solution of the present invention is on the basis of existing technology, include hollow mould shell, base plate, hollow mould shell and base plate connect into integral body, have 2 hollow mould shells on the base plate at least alternately, its side and base plate constitute at least one cast-in-place structural time rib die cavity, other lateral surface of hollow mould shell constitutes the side template of cast-in-place structural main rib or beam or wall, it is characterized in that structure time rib die cavity cavity formwork and base plate contact site all are interior puncture groove, and groove is an arc groove.Like this, because puncture groove in hollow mould shell and base plate contact site are set to, after Cavity structural member is applied to hollow building cover, the Cast-in-place concrete rib has formed the inverted T-shaped rib, its shape of cross section has become inverted T-shaped by rectangle, thereby the mechanical property of superstructure is improved greatly, can reduce the sectional dimension of Cast-in-place concrete rib, reduce reinforcing bar and concrete consumption, reduce the superstructure cost, simultaneously, concrete is with the complete build-in of hollow mould shell, significantly reduce the probability of cast-in-situ concrete structure cracking, solved problems of the prior art preferably, in addition, when Cavity structural member is applied in the Cast-in-place Concrete Building Floor, Cast-in-place concrete can successfully pour into along arc groove, has solved cast-in-situ concrete structure inside and has built leakiness, easily form hollowing, phenomenons such as bubble have also been eliminated the stress concentration phenomenon simultaneously.Thereby reached purpose of the present invention, simultaneously Cavity structural member is also had characteristics such as intensity height, cracky, easy construction, cost be not low, the hollow building cover, roof system, sole plate, body of wall or the hollow bridges that are applicable to various cast-in-situ reinforced concretes or prestressed reinforced concrete are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention also is to be provided with in the inferior rib die cavity of described adjacent cavities formwork at least one support draw piece, and the adjacent cavities formwork is connected to each other.Like this, owing in the inferior rib die cavity of adjacent cavities formwork, be provided with the support draw piece, adjacent formwork is connected to each other, hollow mould shell in the Cavity structural member involves each other by the support draw piece, thereby the intensity of Cavity structural member and rigidity are bigger, shock resistance is better, and its base plate is frangibility more not, and carrying is more convenient with construction.
Feature of the present invention is that also described support draw piece is at least a in rod member, rope, pier, pipe, little tube sheet or the sheet spare.Like this, the variation of support draw piece material and structure can be satisfied the different designs requirement of product, and can be according to different needs, adopts reasonable manner to connect.
Feature of the present invention is that also described support draw piece is the broken piece easy to break of easily broken structure.Like this, after Cavity structural member installed, the support draw piece that can very conveniently fracture simply to make things convenient for the laying construction of reinforcing bar, was accelerated speed of application.
Feature of the present invention is that also described support draw piece is movable part or knockdown pieces.Like this, movable or dismountable support draw piece can be after Cavity structural member installs, and dismounting is reclaimed, and both can finish the function that prevents base plate fracture or cracking, and recyclable again secondary uses, and saves the cost of production of Cavity structural member.
Feature of the present invention is that also described support draw piece is the charges that can extract out.Like this, when Cavity structural member is applied in the cast-in-situ concrete structure, after the installation, can extract the support draw piece fast out, improve speed of application, and support the recyclable secondary of draw piece and use, greatly reduce the cost of manufacture of Cavity structural member.
Feature of the present invention also is to be provided with in the described base plate at least one prestressed reinforcement or steel strand.Like this, be provided with the Cavity structural member of prestressed reinforcement or steel strand in the base plate, the intensity height can produce bigger elastic deformation when being hit and unlikely destruction has the better overall performance, and its base plate is frangibility or cracking more not.
Feature of the present invention is that also other positions of described hollow mould shell are provided with at least one in groove, pit, chamfering, inner corner trim, hole, reinforcing rib, projection, the positive arc angle.Like this, when Cavity structural member is applied in the cast-in-situ concrete structure, pours into concrete in groove, pit, chamfering, inner corner trim, the hole and form local Cast-in-place concrete and add competent structure, thereby make structure more reasonable.By projection found time in the position that do not stress in the Cast-in-place concrete, raised line, positive arc angle are carried out prefabricated component to weak force part and are strengthened, and can make the concrete structure tension performance of using Cavity structural member better.
Feature of the present invention is that also described cast-in-place structural time rib die cavity has two when above, their parallel each other or quadrature or obliques or form grid.Like this, when Cavity structural member is applied in the cast-in-situ concrete structure, can form Cast-in-place concrete time rib parallel to each other or quadrature or oblique or formation grid style, thereby improve the mechanical property of cast-in-situ concrete structure.
Feature of the present invention is that also described base plate is provided with reinforcing rib.Like this, the setting of reinforcing rib can improve its rupture strength and rigidity greatly on the base plate, reduces the proportion of goods damageds of Cavity structural member in transportation, stacking or work progress.
Feature of the present invention also is to accompany reinforce among described base plate or hollow mould shell or both, reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fleece or cloth, nonwoven, metal foil band, braid over braid, the strap, and perhaps the thickness of slab of base plate is greater than the wall thickness of hollow mould shell.Like this, being provided with the base plate of reinforce and the intensity of hollow mould shell has obtained improving greatly, simultaneously, the reinforce material selected for use when the diversity of reinforce material was convenient to produce, reduce production costs, the thickness of base plate can improve the rupture strength and the rigidity of base plate greatly greater than the wall thickness of hollow mould shell, makes it be not easy to fracture or destroys.
Feature of the present invention is that also described base plate or hollow mould shell or both are extended with reinforce simultaneously.Like this, when Cavity structural member was applied in the cast-in-situ concrete structure, the reinforce that stretches out had improved base plate or the bond stress of Cavity structural member in concrete greatly, can effectively prevent the phenomenon of mating face cracking.
Feature of the present invention is that also the surface of described hollow mould shell is waveform or zigzag or plucking or other special-shaped rough surface.Like this, when being applied in the cast-in-situ concrete structure, increased the contact area of hollow mould shell and Cast-in-place concrete, make its tool better bond performance, thoroughly solved the problem of prefabricated and cast-in-place mating face cracking.
Feature of the present invention is that also described hollow mould shell is an inversed taper platform shape hollow mould shell.Like this, when hollow mould shell is applied in the cast-in-situ concrete structure, can forms the Cast-in-place concrete structure of positive taper type, thereby satisfy force request.
Feature of the present invention is that also base plate flushes with the lateral surface of hollow mould shell or stretches out the formation bridging piece, stretches out partly for local or all.Like this, when hollow mould shell was applied in the cast-in-situ concrete structure, its bridging piece that stretches out can replace engineering template, save construction cost, accelerated speed of application, the outer edge of toss is arranged to various not syntenies can effectively disperse concentrated stress, prevents that prefabricated and cast-in-place mating face from producing the crack.
Feature of the present invention is that also described base plate is pertusate base plate.Like this, alleviate the weight of Cavity structural member base plate greatly, reduced the consumption of material, reduced cost of production, can make things convenient for the laying of various pipelines simultaneously.
Feature of the present invention is that also described base plate is provided with the locating structure of the downward tension that connects construction formwork.Locating structure can be draw ring, drag hook, iron wire or other device.Like this, when hollow mould shell is applied in the cast-in-situ concrete structure,, effectively prevented the hollow mould shell come-up, guaranteed that the internal structure of cast-in-situ concrete structure adheres to specification by the fixation of locating structure.
Feature of the present invention also is the cavity inside branch of described hollow mould shell or all fills or be pasted with light material.Light material is at least a in foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or the haydite concrete.Like this, improved the shock resistance of hollow mould shell greatly, reduced breakage rate, had better sound insulation, heat insulation, fireproof performance simultaneously, the diversity of light material can conveniently be drawn materials, and reduces production costs.
Feature of the present invention is that also the peripheral contour shape after the combination of described base plate and hollow mould shell is the square bodily form, cuboid, cylindrical, the hexagon bodily form, arc angle polygon or other shape.Like this, the diversity of the peripheral contour shape after the hollow mould shell combination can satisfy the different designs requirement, is convenient to construction application.
Feature of the present invention is that also the monnolithic case size of Cavity structural member is ascending gradually changing; The wide end in chamber of the thickness of slab of the base plate of respective cavities member or cast-in-place structural time rib die cavity is relatively large, from large to small, carries out the transition to the other end gradually.Like this, when hollow mould shell is applied in the cast-in-situ concrete structure, can be according to the designing requirement difference of cast-in-situ concrete structure, and adopt above-mentioned hollow mould shell that cast-in-situ concrete structure is done to strengthen in local, to satisfy the design needs.
Feature of the present invention also be described hollow mould shell and base plate ways of connecting for gluedly is connected, is welded to connect, screw connects, cutting ferrule connection or Integratively formed connection.Like this, can in several ways hollow mould shell and base plate be linked into an integrated entity, reduce the production difficulty, improve production efficiency.
Feature of the present invention also is to be useful on the described base plate location thing that is connected the location with hollow mould shell.Like this, the setting of location thing can make hollow mould shell and base plate accurately locate butt joint, improves the product quality of Cavity structural member, is convenient to hollow mould shell and fast docks binding.
Feature of the present invention also is locating piece, positioning strip, posting, locating slot, locating ring or the reference column of described location thing for protruding.Like this, location thing variation can be satisfied the positioning requirements of different hollow mould shells.
Feature of the present invention is that also hollow mould shell is an outward flanging or to the hollow mould shell of in-flanges.Like this, the different requirements that can use in cast-in-situ concrete structure according to hollow mould shell are provided with flanging or in-flanges, make use more convenient simple.
Feature of the present invention is that also described base plate is steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, the base plate made from stress steel bar concrete, polymer steel bar concrete or wire mesh mortar, the cementitious materials of hollow mould shell is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and hollow mould shell, base plate are made with same material or different materials.Like this, the diversity of hollow mould shell and base plate manufacturing materials can make things convenient for its making to draw materials nearby, reduces production costs.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is hollow mould shell, and 2 is base plate, and 3 is cast-in-place structural time rib die cavity, and 4 is lateral surface, and 5 is interior puncture groove, in each accompanying drawing, numbers identically, and its explanation is identical.As shown in Figure 1, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and there is interior puncture groove 5 at its hollow mould shell 1 and base plate 2 contacted positions.
Fig. 2 is the structural representation of the embodiment of the invention 2, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its hollow mould shell 1 all is interior puncture groove 5 with the contact site of base plate 2.
Fig. 3 is the structural representation of the embodiment of the invention 3, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, secondly is provided with a plurality of support draw pieces 6 in rib die cavity 3, and hollow mould shell 1 is connected to each other to one.
Fig. 4 is the structural representation of the embodiment of the invention 4, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, secondly is provided with the support draw piece 6 of a plurality of broken pieces easy to break in rib die cavity 3 on base plate 2 for two hollow mould shells 1.
Fig. 5 is the structural representation of the embodiment of the invention 5, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, be provided with a plurality of support draw pieces 6 in the inferior rib die cavity 3, its support draw piece 6 is the charges that can extract out, as wood particle, haydite concrete piece etc.
Fig. 6 is the structural representation of the embodiment of the invention 6, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with many prestressed reinforcements 7 in its base plate 2 on base plate 2 for two hollow mould shells 1.
Fig. 7 is the structural representation of the embodiment of the invention 7, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with groove 5, pit 8, chamfering 9 and inner corner trim 10 on its hollow mould shell 1 simultaneously on base plate 2 for two hollow mould shells 1.
Fig. 8 is the structural representation of the embodiment of the invention 8, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with inner corner trim 10, hole 11 on its hollow mould shell 1 simultaneously on base plate 2 for two hollow mould shells 1.
Fig. 9 is the structural representation of the embodiment of the invention 9, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with reinforcing rib 12, projection 13, positive arc angle 14 on its hollow mould shell 1 simultaneously on base plate 2 for two hollow mould shells 1.
Figure 10 is the structural representation of the embodiment of the invention 10, and a plurality of hollow mould shells 1 alternately, form the internal-rib die cavity 3 of two mutually orthogonals on base plate 2.
Figure 11 is the structural representation of the embodiment of the invention 11, and a plurality of hollow mould shells 1 alternately, form many internal-rib die cavitys 3 parallel to each other on base plate 2.
Figure 12 is the structural representation of the embodiment of the invention 12, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its base plate 2 is provided with reinforcing rib 12.
Figure 13 is the structural representation of the embodiment of the invention 13, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys, all accompany reinforce 15 in the wall body of its base plate 2 and hollow mould shell 1, diagram reinforce 15 is metal foil band and reinforcing bar, and the thickness of base plate 2 is greater than the wall thickness of hollow mould shell 1.
Figure 14 is the structural representation of the embodiment of the invention 14, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and the surface of its hollow mould shell 1 is a waveform.
Figure 15 is the structural representation of the embodiment of the invention 15, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its hollow mould shell 1 is an inversed taper platform shape hollow mould shell.
Figure 16 is the structural representation of the embodiment of the invention 16, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, its base plate 2 flushes with a lateral surface 4 of hollow mould shell 1, and another side partly stretches out lateral surface 4 component part bridging pieces 16.
Figure 17 is the structural representation of the embodiment of the invention 17, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its base plate 2 is provided with a plurality of holes 11.
Figure 18 is the structural representation of the embodiment of the invention 18, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, its base plate 2 is provided with the locating structure 17 of the downward tension of a plurality of connection construction formworks, and illustrated position structure 17 is draw ring and drag hook.
Figure 19 is the structural representation of the embodiment of the invention 19, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, the appearance and size of the Cavity structural member that it constitutes is ascending gradually changing, the changing in the opposite direction of the change direction of base plate 2 and hollow mould shell 1.
Figure 20 is the structural representation of the embodiment of the invention 20, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, and its hollow mould shell 1 is connected Integratively formed with the connected mode of base plate 2 for gluing.
Figure 21 is the structural representation of the embodiment of the invention 21, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its hollow mould shell 1 and base plate 2 places of engaging are set to flanging 20.
Figure 22 is the structural representation of the embodiment of the invention 22, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its hollow mould shell 1 and base plate 2 places of engaging are set to in-flanges 21.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, include hollow mould shell 1, base plate 2, hollow mould shell 1 connects into integral body with base plate 2, have 2 hollow mould shells 1 on the base plate 2 at least alternately, its side and base plate 2 constitute at least one cast-in-place structural time rib die cavity 3, other lateral surface 4 of hollow mould shell 1 constitutes the side template of cast-in-place structural main rib or beam or wall, it is characterized in that structure time rib die cavity 3 cavity formworks 1 all are interior puncture groove 5 with base plate 2 contacts site, and groove 5 is an arc groove.Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is hollow mould shell, and 2 is base plate, and 3 is cast-in-place structural time rib die cavity, and 4 is lateral surface, and 5 is interior puncture groove, in each accompanying drawing, numbers identically, and its explanation is identical.As shown in Figure 1, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and there is interior puncture groove 5 at its hollow mould shell 1 and base plate 2 contacted positions.Shown in Fig. 2,3,4,11, it includes hollow mould shell 1, base plate 2, hollow mould shell 1 connects into integral body with base plate 2, base plate 2 is provided with 2 hollow mould shells 1 alternately, its side and base plate 2 constitute cast-in-place structural time rib die cavity 3, other lateral surface 4 of hollow mould shell 1 constitutes the side template of cast-in-place structural main rib or beam or wall, its structure time rib die cavity 3 cavity formworks 1 and the promising interior puncture groove 5 in base plate 2 contacts site.
As shown in Figure 2, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its hollow mould shell 1 all is interior puncture groove 5 with the contact site of base plate 2, and its groove 5 is an arc groove.
Feature of the present invention also is to be provided with in the inferior rib die cavity 3 of described adjacent cavities formwork 1 at least one support draw piece 6, and adjacent hollow die shell 1 is connected to each other.Fig. 3 is the structural representation of the embodiment of the invention 3, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, secondly is provided with a plurality of support draw pieces 6 in rib die cavity 3, and hollow mould shell 1 is connected to each other to one.
Feature of the present invention also is at least a in rod member, rope, pier, pipe, little tube sheet or the sheet spare of described support draw piece 6.As shown in Figure 3, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its support draw piece 6 is hollow rod member.
Feature of the present invention is that also described support draw piece 6 is the broken piece easy to break of easily broken structure.Fig. 4 is the structural representation of the embodiment of the invention 4, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, secondly is provided with the support draw piece 6 of a plurality of broken pieces easy to break in rib die cavity 3 on base plate 2 for two hollow mould shells 1.
Feature of the present invention is that also described support draw piece 6 is movable part or knockdown pieces.As shown in Figure 4, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with a plurality of support draw pieces 6 in the inferior rib die cavity 3 on base plate 2 for two hollow mould shells 1, and its support draw piece 6 is the activity knockdown pieces.
Feature of the present invention is that also described support draw piece 6 is the charges that can extract out.Fig. 5 is the structural representation of the embodiment of the invention 5, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, be provided with a plurality of support draw pieces 6 in the inferior rib die cavity 3, its support draw piece 6 is the charges that can extract out, as wood particle, haydite concrete piece etc.
Feature of the present invention also is to be provided with in the described base plate 2 at least one prestressed reinforcement or steel strand 7.Fig. 6 is the structural representation of the embodiment of the invention 6, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with many prestressed reinforcements 7 in its base plate 2 on base plate 2 for two hollow mould shells 1.
Feature of the present invention is that also other position of described hollow mould shell 1 is provided with at least one in groove 5, pit 8, chamfering 9, inner corner trim 10, hole 11, reinforcing rib 12, projection 13, the positive arc angle 14.Fig. 7 is the structural representation of the embodiment of the invention 7, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with groove 5, pit 8, chamfering 9 and inner corner trim 10 on its hollow mould shell 1 simultaneously on base plate 2 for two hollow mould shells 1.Fig. 8 is the structural representation of the embodiment of the invention 8, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with inner corner trim 10, hole 11 on its hollow mould shell 1 simultaneously on base plate 2 for two hollow mould shells 1.Fig. 9 is the structural representation of the embodiment of the invention 9, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, is provided with reinforcing rib 12, projection 13, positive arc angle 14 on its hollow mould shell 1 simultaneously on base plate 2 for two hollow mould shells 1.
Feature of the present invention is that also described cast-in-place structural time rib die cavity 3 has two when above, their parallel each other or quadrature or obliques or form grid.Figure 10 is the structural representation of the embodiment of the invention 10, and a plurality of hollow mould shells 1 alternately, form the internal-rib die cavity 3 of two mutually orthogonals on base plate 2.Figure 11 is the structural representation of the embodiment of the invention 11, and a plurality of hollow mould shells 1 alternately, form many internal-rib die cavitys 3 parallel to each other on base plate 2.
Feature of the present invention also is described a kind of Cavity structural member, it is characterized in that described base plate 2 is provided with reinforcing rib 12.Figure 12 is the structural representation of the embodiment of the invention 12, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its base plate 2 is provided with reinforcing rib 12.
Feature of the present invention also is to accompany reinforce 15 among described base plate 2 or hollow mould shell 1 or both, reinforce 15 is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, fiber, fleece or cloth, nonwoven, metal foil band, braid over braid, the strap, and perhaps the thickness of slab of base plate 2 is greater than the wall thickness of hollow mould shell 1.Figure 13 is the structural representation of the embodiment of the invention 13, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys, all accompany reinforce 15 in the wall body of its base plate 2 and hollow mould shell 1, diagram reinforce 15 is metal foil band and reinforcing bar, and the thickness of base plate 2 is greater than the wall thickness of hollow mould shell 1.
Feature of the present invention is that also described base plate 2 or hollow mould shell 1 or both are extended with reinforce 15 simultaneously.As shown in figure 13, its base plate 2 and hollow mould shell 1 are extended with metal foil band reinforce 15 simultaneously.
Feature of the present invention is that also the surface of described hollow mould shell 1 is waveform or zigzag or plucking or other special-shaped rough surface.Figure 14 is the structural representation of the embodiment of the invention 14, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and the surface of its hollow mould shell 1 is a waveform.
Feature of the present invention is that also described hollow mould shell 1 is inversed taper platform shape hollow mould shell.Figure 15 is the structural representation of the embodiment of the invention 15, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its hollow mould shell 1 is an inversed taper platform shape hollow mould shell.
Feature of the present invention is also that base plate 2 flushes with the lateral surface 4 of hollow mould shell 1 or stretches out and constitutes bridging piece 16, stretches out partly for local or all.Figure 16 is the structural representation of the embodiment of the invention 16, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, its base plate 2 flushes with a lateral surface 4 of hollow mould shell 1, and another side partly stretches out lateral surface 4 component part bridging pieces 16.
Feature of the present invention is that also described base plate 2 is for there being the base plate of hole 11.Figure 17 is the structural representation of the embodiment of the invention 17, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its base plate 2 is provided with a plurality of holes 11.
Feature of the present invention is that also described base plate 2 is provided with the locating structure 17 of the downward tension that connects construction formwork, and locating structure 17 can be draw ring, drag hook, iron wire or other device.Figure 18 is the structural representation of the embodiment of the invention 18, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, its base plate 2 is provided with the locating structure 17 of the downward tension of a plurality of connection construction formworks, and illustrated position structure 17 is draw ring and drag hook.
Feature of the present invention also is the cavity inside branch of described hollow mould shell 1 or all fills or be pasted with light material 18.Light material 18 is at least a in foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or the haydite concrete.As shown in figure 18, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, all is filled with light material 18 in the cavity of its hollow mould shell 1 on base plate 2 for two hollow mould shells 1, and diagram light material 18 is an expanded perlite.
Feature of the present invention is that also the peripheral contour shape after described base plate 2 and hollow mould shell 1 combination is the square bodily form, cuboid, cylindrical, the hexagon bodily form, arc angle polygon or other shape.As shown in figure 18, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and the peripheral contour shape after its base plate 2 and hollow mould shell 1 combination is a cuboid.
Feature of the present invention is that also the monnolithic case size of Cavity structural member is ascending gradually changing; The wide end in chamber of the thickness of slab of the base plate 2 of respective cavities member or cast-in-place structural time rib die cavity is relatively large, from large to small, carries out the transition to the other end gradually.Figure 19 is the structural representation of the embodiment of the invention 19, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, the appearance and size of the Cavity structural member that it constitutes is ascending gradually changing, the changing in the opposite direction of the change direction of base plate 2 and hollow mould shell 1.
Feature of the present invention also be described hollow mould shell 1 and base plate 2 ways of connecting for gluedly is connected, is welded to connect, screw connects, cutting ferrule connection or Integratively formed connection.Figure 20 is the structural representation of the embodiment of the invention 20, two hollow mould shells 1 on base plate 2 alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3, and its hollow mould shell 1 is connected Integratively formed with the connected mode of base plate 2 for gluing.
Feature of the present invention also is to be useful on the described base plate 2 the location thing 19 that is connected the location with hollow mould shell 1.As shown in figure 20, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, is useful on its base plate 2 to be connected the location thing 19 of locating with hollow mould shell 1.
Feature of the present invention also is locating piece, positioning strip, posting, locating slot, locating ring or the reference column of described location thing 19 for protruding.As shown in figure 20, alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, its location thing 19 locating pieces for protruding.
Feature of the present invention is that also hollow mould shell 1 is for outward flanging 20 or to the hollow mould shell 1 of in-flanges 21.Figure 21 is the structural representation of the embodiment of the invention 21, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its hollow mould shell 1 and base plate 2 places of engaging are set to flanging 20.Figure 22 is the structural representation of the embodiment of the invention 22, and alternately, two opposite flanks and base plate 2 be common to constitute cast-in-place structurals time rib die cavitys 3 on base plate 2 for two hollow mould shells 1, and its hollow mould shell 1 and base plate 2 places of engaging are set to in-flanges 21.
Feature of the present invention also is the base plate that described base plate 2 is made for steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, from stress steel bar concrete, polymer steel bar concrete or wire mesh mortar, the cementitious materials of hollow mould shell 1 is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and hollow mould shell 1, base plate 2 usefulness same materials or different materials are made.
During the invention process, can make the hollow mould shell 1 of peristome bit strip inner corner trim earlier of the cement glass fiber mesh, and an end of glass fiber mesh exposed outside the hollow mould shell 1, and then make base plate 2 with cement, gauze wire cloth, at it not during setting and harden, the band of making is in advance exposed fibroreticulate hollow mould shell 1 to fasten on it, and the fleece that exposes on the hollow mould shell 1 is pressed in the base plate 2, be bonded to integral body, after treating its setting and harden, maintenance is to stipulating the length of time that promptly getting hollow mould shell 1 is the Cavity structural member of interior puncture groove 5 with base plate 2 contacts site.