CN1896429A - Concrete cavity construction member - Google Patents

Abstract

A cavity structural member for concrete consists of cavity mold shell (1). At least two cavity mold shells are arranged spaced, whose opposite sides form in-situ pouring concrete internal-rib mold cavity (2), which contains at least one spaced supporter (3) to connect opposite or adjacent cavity mold shells (1), positioning supporting foot (4) is set in cavity mold shell and at least cavity structural members are connected by bottom (17) or/and spaced supporter longitudinally and transversely. It can be used for in-situ pouring reinforced concrete hollow structure, dense-ribbed hollow building cover, roof, wall, base plate and hollow bridge.

Description

A kind of hollow component used for concrete

The application for the applying date be that July 11, application number in 2003 are 200510129821.6, name is called the dividing an application of application for a patent for invention of " a kind of hollow component used for concrete ".

(1) technical field

The present invention relates to a kind of hollow component used for concrete.

(2) background technology

At present, steel bar reinforced hollow concrete roof cast-in-situs is to use wider floor structural form, has that speed of application is fast, structure height is little, advantages such as ceiling decoration can be cut apart and need not to room area flexibly.The lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99232921.3, name are called " cast-in-place reinforced concrete filling thin wall cylinder " utility model patent as the applicant in the patent No. of application on March 10th, 1999, it is made up of horniness thin-walled tube and two plugs, is applied to use as the lightening permanent loose tool in the hollow building cover.And for example the applicant in the application number of on November 29th, 1999 application be 99115666.8, name is called " fiber-reinforced thin-wall box for filling cast-in-place reinforced concrete and manufacture method thereof ", its thin-walled box is applied in the steel bar reinforced hollow concrete roof cast-in-situs, can satisfy the needs of latticed, the cellular concrete of finding time, form hollow-ribbed floor.Thin-walled is box filled in concrete, has both made filling member, again as the hollow die shell member, plays the effect of permanent mold shell.But, when this thin-walled box is constructed as hollow die shell, need single laying construction, inconsistent phenomenon easily takes place in mutually positioning inconvenience, influences the construction quality of hollow building cover, simultaneously also influence efficiency of construction, therefore, develop a kind of novel hollow component used for concrete for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of hollow component used for concrete, have characteristics such as the intensity of easy construction, efficient height, the construction quality that is easy to guarantee hollow building cover, superstructure and rigidity is big, simultaneously, also have characteristics such as simple in structure, that intensity is high, making is easy, cost is low.

Solution of the present invention is on the basis of existing technology, comprise hollow die shell, it is characterized in that at least two hollow die shells alternately, constitute Cast-in-place concrete internal-rib die cavity between the opposite face of hollow die shell, at least one spacer draw piece of the alternate binding all-in-one-piece of hollow die shell with relative or adjacent surface is arranged in the internal-rib die cavity, the cross sectional shape of internal-rib die cavity is an inverted T-shaped, and the lateral separation is connected as a single entity at least two cavity members or/and a spacer draw piece is vertical by the bottom surface.Like this, because cavity member by at least two hollow die shells alternately, hollow die shell connects to one by a spacer draw piece, form the hollow die shell assembly, thereby when being applied to cast-in-situ hollow building roof, hollow die shell is become in groups by single laying to be laid, mutually positioning very convenient, the construction quality that is difficult for inconsistent phenomenon takes place and influences hollow building cover, efficiency of construction also improves greatly simultaneously, and, because the cross sectional shape of internal-rib die cavity is an inverted T-shaped, Cast-in-place concrete has formed the Cast-in-place concrete rib of inverted T-shaped in the internal-rib die cavity, thereby the intensity of superstructure and rigidity are bigger, and the lateral separation is connected as a single entity at least two cavity members or/and a spacer draw piece is vertical by the bottom surface, when it is applied in the Cast-in-place Concrete Building Floor, handling, install more convenient, thereby reached purpose of the present invention, in addition, cavity member also has simple in structure, the intensity height, make easily, characteristics such as cost is low, be applicable to various cast-in-situ reinforced concretes or prestressed hollow reinforced concrete roof, roof system, sole plate, body of wall, hollow bridges is used, and is specially adapted to hollow arch without beam and uses.

Feature of the present invention is that also there is bridging piece described vertical termination.Like this, when cavity member was applied in the Cast-in-place Concrete Building Floor, the alternative engineering template of bridging piece had reduced the spillage of material of template, simultaneously, because of having saved the template installation procedure, had increased substantially speed of application, had reduced the comprehensive cost of Cast-in-place Concrete Building Floor.

Feature of the present invention is that also there is bridging piece described both sides longitudinally.Like this, when cavity member was applied in the Cast-in-place Concrete Building Floor, the alternative engineering template of bridging piece had reduced the spillage of material of template, simultaneously, because of having saved the template installation procedure, had increased substantially speed of application, had reduced the comprehensive cost of Cast-in-place Concrete Building Floor.

Feature of the present invention is that also the position, following turning of the hollow die shell of described inverted T-shaped internal-rib die cavity is at least a in inner corner trim or the chamfering.Like this, internal-rib die cavity cross section is the cavity member of inverted T-shaped, and is easy to make, quick, can realize producing in enormous quantities, and simultaneously, its position, turning is inner corner trim or chamfering, can satisfy the different designs and different force requests of cavity member in being applied to Cast-in-place Concrete Building Floor the time.

Feature of the present invention is that also at least one side in the described internal-rib die cavity has at least a in inner corner trim or the chamfering.Like this, when cavity member was applied in the Cast-in-place Concrete Building Floor, concrete poured in the inner corner trim or chamfering in the internal-rib die cavity, and the corresponding Cast-in-place concrete rib that has the Cast-in-place concrete reinforcing rib that formed has been strengthened the intensity of Cast-in-place concrete rib greatly, makes that the Cast-in-place Concrete Building Floor structure is more firm.

Feature of the present invention also is to be provided with in the described internal-rib die cavity at least a in groove, depressed part, hole, raised line, boss module or the external corner.Like this, when cavity member is applied in the Cast-in-place Concrete Building Floor, by boss module finding time to the position that do not stress in the cast-in-situ concrete structure, raised line and external corner carry out prefabricated component to weak force part and strengthen, and concrete pours in groove, depressed part and the hole, and corresponding formation Cast-in-place concrete member replenishes and reinforces superstructure inside force structure, thereby, improved the inside stress system of superstructure greatly.

Feature of the present invention also be described spacer draw piece for and hollow die shell between be spacer draw piece between firmly linking.Like this, the spacer draw piece connects as one two hollow die shells between firmly linking, when it is applied in the Cast-in-place Concrete Building Floor, handling, install more convenient.

Feature of the present invention also be described spacer draw piece for hollow die shell between for flexibly connect or telescopic be connected between the spacer draw piece.Like this, when cavity member is applied in the Cast-in-place Concrete Building Floor, after cavity member installs, active interval can be supportted the draw piece dismounting and reclaim the secondary use, reduced the cost of production of hollow die shell, simultaneously, behind the dismounting support draw piece, reinforcing bar can be laid in the internal-rib die cavity very easily, and concrete also can pour in the internal-rib die cavity swimmingly.If between the spacer draw piece be telescopic connection between the spacer draw piece, can suitably regulate the width of internal-rib die cavity between the hollow die shell when then constructing, to satisfy different designs and actual needs.

Feature of the present invention is that also described spacer draw piece is at least one in rod member, rope, plate, muscle, silk, thin band, piece, the pier.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.As adopt web strap material and wood particle as the support draw piece, be arranged in the internal-rib die cavity.

Feature of the present invention also be spacer draw piece between described rod member, plate, piece, pier formula be hollow porous hollow or compound between the spacer draw piece.Like this, can be according to the design needs, hollow or solid or porous of corresponding employing or compound support draw piece rationally solve the reinforcing problem of drawing that supports.

Feature of the present invention is that also described spacer draw piece is metalwork.Like this, spacer draw piece intensity height between metal, manufacture conveniently, can realize at an easy rate producing in enormous quantities, simultaneously, after cavity member was applied in the Cast-in-place Concrete Building Floor, spacer draw piece and Cast-in-place concrete combined between metal, but the fellowship building cover structure is stressed.

Feature of the present invention is that also described intermetallic spacer draw piece is docked by at least two metalworks, or the die wall of metalwork and internal-rib die cavity welding, or the welding of the built-in fitting of the die wall of metalwork and internal-rib die cavity, or the die wall screw or the bolt of metalwork and built-in fitting or internal-rib die cavity form.Like this, when making cavity member, can very conveniently by the support draw piece hollow die shell be connected as one quickly, simultaneously, adopt bolt or be welded to connect very firmly, significantly reduced the breakage rate of cavity member in stacking, transportation, installation process, reduced cost of manufacture.

Feature of the present invention is that also at least one bending of described spacer draw piece stretch into anchoring in the die wall of hollow die shell.Like this, the die wall of a spacer draw piece and hollow die shell is fixed to be one, connects firm.

Feature of the present invention is also that described spacer draw piece is parallel to each other, quadrature, oblique, grade separation.Like this, a spacer draw piece is provided with parallel, quadrature, oblique, grade separation or other mode, can satisfy the demand of different designs.

Feature of the present invention is that also the collar extension of described internal-rib die cavity is horn mouth or bench port.Like this, when cavity member is applied in the Cast-in-place Concrete Building Floor, the collar extension of internal-rib die cavity is horn mouth or bench port, concrete is poured in the internal-rib die cavity very easily, the concrete that has solved in the internal-rib die cavity is built leakiness, is easily formed phenomenons such as bubble, hollowing, has improved the pouring quality of Cast-in-place Concrete Building Floor greatly.

Feature of the present invention is that also other position of described hollow die shell is provided with at least a in inner corner trim, chamfering, groove, depressed part, hole, raised line, boss module or the external corner.Like this, when cavity member is applied in the Cast-in-place Concrete Building Floor, pours into concrete in inner corner trim, chamfering, groove, hole, raised line, boss, the external corner and form local Cast-in-place concrete and add competent structure, thereby make structure more reasonable.

Feature of the present invention also is described inner corner trim, chamfering, groove, raised line self or makes up orthogonal thereto, oblique, parallel or grade separation setting mutually.Like this, when cavity member is applied in the Cast-in-place Concrete Building Floor, because of the inner corner trim on the cavity member, chamfering, groove, raised line or its combination is orthogonal thereto, oblique, parallel or grade separation setting, concrete pours in inner corner trim, chamfering, the groove that the back has correspondingly formed orthogonal thereto, oblique, Cast-in-place concrete parallel or grade separation adds competent structure, has improved the mechanical property of Cast-in-place Concrete Building Floor greatly.

Feature of the present invention is that also the die wall global formation of the hollow die shell of described spacer draw piece and at least one internal-rib die cavity becomes distance member.Like this, the distance member of global formation helps reducing the difficulty of the work of manufacturing, and enhances productivity, and simultaneously, the overall performance of distance member is good, and is quick and easy for installation.

Feature of the present invention also is described distance member and hollow die shell gluing, welding, riveted joint or pegs graft whole.Like this, distance member can be connected with modes such as gluing, welding, riveted joint or grafting with hollow die shell, has the diversity of connected mode, can be according to the different requirements of using, adopt only connected mode that the two is connected as one, be beneficial to reduce production costs.

Feature of the present invention also is described internal-rib die cavity more than at least two, and they are straight-through, parallel each other, quadrature, oblique or grade separation.Like this, when cavity member is applied in the Cast-in-place Concrete Building Floor, can form the Cast-in-place concrete rib of parallel to each other or quadrature, thereby improve the mechanical property of cast-in-situ concrete structure.

Feature of the present invention is that also described spacer draw piece protrudes or stretch out the internal-rib die cavity.Like this, a spacer draw piece plays support and draws in the reinforcement by connection effect in formwork, also can serve as the handling part easily, when cavity member is applied in the Cast-in-place Concrete Building Floor, also can be used as the keeper of reinforcing bar, and an effect of spacer draw piece is fully used.

Feature of the present invention is that also described hollow die shell is provided with reinforce, perhaps has reinforce to expose, and perhaps reinforce passes the internal-rib die cavity and fuses.Reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band, braid over braid or the strap.Like this, the intensity that is provided with the hollow die shell of reinforce has obtained improving greatly, and simultaneously, the selecting for use of reinforce material when the diversity of reinforce material is convenient to produce helps reducing production costs.

Feature of the present invention also is the hollow die shell of described hollow die shell at least one face opening.Like this, in the manufacturing process of cavity member, can look its inner case very easily and carry out reasonable operation, help increasing work efficiency, simultaneously, when cavity member is applied in the Cast-in-place Concrete Building Floor, according to the different demands of design, other material can be filled at any time, in hollow die shell to satisfy the design and construction requirement, in addition, also be convenient to the laying of pipelines such as water, electricity.

Feature of the present invention is that also described at least one hollow die shell is provided with locating structure.Locating structure can be location hook, locating ring, location iron wire, feet, small lugs etc.Like this, when cavity member is applied in the Cast-in-place Concrete Building Floor,, effectively prevented the cavity member displacement, guaranteed that the internal structure of cast-in-situ concrete structure adheres to specification by the positioning action of locating structure.

Feature of the present invention is that also the bottom surface of described hollow die shell is extended with bridging piece.Like this, when cavity member was applied in the Cast-in-place Concrete Building Floor, the alternative engineering template of bridging piece had reduced the spillage of material of template, simultaneously, because of having saved the template installation procedure, had increased substantially speed of application, had reduced the comprehensive cost of Cast-in-place Concrete Building Floor.

Feature of the present invention is that also described bottom surface or bridging piece wall thickness are greater than other wall thickness of hollow die shell.Like this, bottom surface or bridging piece wall thickness are greater than the cavity member of other wall thickness of hollow die shell, and the intensity of its bottom surface and bridging piece is far longer than other die wall of hollow die shell, under equal stressing conditions, bottom surface or bridging piece can not destroy, and can satisfy the various different application requirements of cavity member fully.

Feature of the present invention is that also described bottom surface or bridging piece have reinforce to expose.Like this, after cavity member was applied in the Cast-in-place Concrete Building Floor, reinforce and Cast-in-place concrete that bottom surface or toss expose combined, and firmly wrapped up in and be contained in the concrete, had prevented that effectively Cast-in-place concrete and prefabricated cavity member from engaging the generation of facial cleft seam.

Feature of the present invention is that also described hollow die shell and bottom surface connecting place are fluted.Like this, after cavity member was applied in the Cast-in-place Concrete Building Floor, concrete poured in the groove of hollow die shell and bottom surface connecting place, hollow die shell was firmly wrapped up in contain, and had formed Cast-in-place concrete I-shaped rib structure, had improved the performance of Cast-in-place Concrete Building Floor greatly.

Feature of the present invention also is to be provided with in the described hollow die shell at least one in stiffener, bracing boom, the reinforcing rib, and perhaps at least one in stiffener, bracing boom or the reinforcing rib exposes, and has reinforce to expose in perhaps above-mentioned at least one.Like this, when cavity member was applied in the Cast-in-place Concrete Building Floor, the stiffener of hollow die shell, reinforcing rib or expose stiffener, bracing boom, reinforcing rib can form cast-in-place and prefabricated composite construction with Cast-in-place concrete, optimized the inner stress system of Cast-in-place Concrete Building Floor.

Feature of the present invention is that also at least one die side wall of described hollow die shell is corrugated surface, broken line face, curved surface, matsurface or plane.Like this, it is big that die side wall is that the cavity member of corrugated surface, broken line face, curved surface, exasperate, plane or shaped face has die wall rigidity, the advantage that the load ability is strong, after it was applied in the Cast-in-place Concrete Building Floor, concrete poured in the trough, had formed the Cast-in-place concrete reinforcing rib, simultaneously, increased the mating face with Cast-in-place concrete, build-in is more firm each other, has eliminated the generation in crack between Cast-in-place concrete and the prefabricated cavity member effectively.

Feature of the present invention also is to fill or be pasted with in the described hollow die shell 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, improve the shock resistance of cavity member greatly, reduced the breakage rate of product in the construction application process, simultaneously, make cavity member also have better sound insulation, heat insulation, heat-insulating property, in addition, draw materials nearby when the diversity of light material is convenient to produce, reduce production costs.

Feature of the present invention is that also the die wall of described hollow die shell is the die wall of Cement fibre, cement steel wire, metal or plastics.Like this, the variation of the die wall manufacturing materials of hollow die shell helps satisfying the needs that various different application require.

(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, 2 internal-rib die cavitys, 3 be between the spacer draw piece, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the cross sectional shape of its internal-rib die cavity 2 is an inverted T-shaped.

Fig. 2 is the structural representation of the embodiment of the invention 2, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its position, following turning that constitutes the hollow die shell 1 of internal-rib die cavity 2 is set to inner corner trim 4.

Fig. 3 is the structural representation of the embodiment of the invention 3, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its position, following turning that constitutes the hollow die shell 1 of internal-rib die cavity 2 is set to chamfering 5.

Fig. 4 is the structural representation of the embodiment of the invention 4, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its upper corners that constitutes the hollow die shell 1 of internal-rib die cavity 2 is set to chamfering 5, and lower comer is set to inner corner trim 4.

Fig. 5 is the structural representation of the embodiment of the invention 5, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, be provided with groove 6, depressed part 7 and raised line 9 in its internal-rib die cavity 2 simultaneously.

Fig. 6 is the structural representation of the embodiment of the invention 6, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, be provided with hole 8, boss module 10 and external corner 11 in its internal-rib die cavity 2 simultaneously.

Fig. 7 is the structural representation of the embodiment of the invention 7, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the connected mode between spacer draw piece 3 and the hollow die shell 1 is for fixedlying connected therebetween.

Fig. 8 is the structural representation of the embodiment of the invention 8, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 be a telescopic spacer draw piece of activity therebetween.

Fig. 9 is the structural representation of the embodiment of the invention 9, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 be tabular and rope spare therebetween.

Figure 10 is the structural representation of the embodiment of the invention 10, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 is a shaft-like hollow spacer draw piece therebetween.

Figure 11 is the structural representation of the embodiment of the invention 11, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 is a metalwork therebetween.

Figure 12 is the structural representation of the embodiment of the invention 12, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, anchoring in the die wall of hollow die shell 1 is stretched in two bending of spacer draw piece 3 therebetween.

Figure 13 is the structural representation of the embodiment of the invention 13, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 is parallel or oblique setting each other in internal-rib die cavity 2 therebetween.

Figure 14 is the structural representation of the embodiment of the invention 14, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the collar extension of its internal-rib die cavity 2 is the step collar extension.

Figure 15 is the structural representation of the embodiment of the invention 15, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, other position of its hollow die shell 1 also is provided with inner corner trim 4, chamfering 5, depressed part 7 and raised line 9 simultaneously.

Figure 16 is the structural representation of the embodiment of the invention 16, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, other positions of its hollow die shell 1 also are provided with groove 6, hole 8, boss module 10 and external corner 11 simultaneously.

Figure 17 is the structural representation of the embodiment of the invention 17, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 becomes distance member 12 with the die wall global formation of the hollow die shell 1 of internal-rib die cavity 2 therebetween.

Figure 18 is the structural representation of the embodiment of the invention 18, a plurality of hollow mould shells 1 alternately, constitute a plurality of Cast-in-place concrete internal-rib die cavitys 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its internal-rib die cavity 2 is straight-through, parallel each other, the quadrature setting.

Figure 19 is the structural representation of the embodiment of the invention 19, a plurality of hollow mould shells 1 alternately, constitute a plurality of Cast-in-place concrete internal-rib die cavitys 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its internal-rib die cavity 2 is straight-through, parallel each other, the quadrature setting.

Figure 20 is the structural representation of the embodiment of the invention 20, a plurality of hollow mould shells 1 alternately, constitute a plurality of Cast-in-place concrete internal-rib die cavitys 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its internal-rib die cavity 2 is set parallel to each other.

Figure 21 is the structural representation of the embodiment of the invention 21, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 protrudes outside the internal-rib die cavitys 2 therebetween.

Figure 22 is the structural representation of the embodiment of the invention 22, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the bottom surface 15 of its hollow die shell 1 is extended with bridging piece 16.

Figure 23 is the structural representation of the embodiment of the invention 23, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, be provided with stiffener 17, bracing boom 18 and reinforcing rib 19 in its hollow die shell 1 simultaneously, simultaneously, stiffener 17 and bracing boom 18 parts are exposed outside the hollow die shell 1.

Figure 24 is the structural representation of the embodiment of the invention 24, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, a plurality of die side walls of its hollow die shell 1 are the broken line face.

(5) specific embodiment

The present invention is further illustrated below in conjunction with drawings and Examples.

The present invention as shown in drawings, comprise hollow die shell 1, it is characterized in that at least two hollow die shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2 between the opposite face of hollow die shell 1, hollow die shell 1 at least one spacer draw piece 3 of alternate binding all-in-one-piece with relative or adjacent surface is arranged in the internal-rib die cavity 2, the cross sectional shape of internal-rib die cavity 2 is an inverted T-shaped, at least two cavity members by bottom surface 15 or/and a spacer draw piece 3 vertically or/and the lateral separation be connected as a single entity.Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is hollow mould shell, 2 internal-rib die cavitys, 3 be between the spacer draw piece, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the cross sectional shape of its internal-rib die cavity 2 is an inverted T-shaped.As shown in figure 22, its a plurality of cavity members are connected as a single entity by a bottom surface 15 and spacer draw piece 3 longitudinal separation.

The present invention is that also there is bridging piece 16 described vertical termination.As shown in figure 22, there is bridging piece 16 its described vertical termination.

The present invention is that also there is bridging piece 16 described both sides longitudinally.As shown in figure 22, there is bridging piece 16 its described both sides longitudinally.

The present invention is that also the position, following turning of the hollow die shell 1 of described inverted T-shaped internal-rib die cavity 2 is at least a in inner corner trim 4 or the chamfering 5.Fig. 2 is the structural representation of the embodiment of the invention 2, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its position, following turning that constitutes the hollow die shell 1 of internal-rib die cavity 2 is set to inner corner trim 4.Fig. 3 is the structural representation of the embodiment of the invention 3, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its position, following turning that constitutes the hollow die shell 1 of internal-rib die cavity 2 is set to chamfering 5.

The present invention is that also at least one side in the described internal-rib die cavity 2 has at least a in inner corner trim 4 or the chamfering 5.Fig. 4 is the structural representation of the embodiment of the invention 4, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its upper corners that constitutes the hollow die shell 1 of internal-rib die cavity 2 is set to chamfering 5, and lower comer is set to inner corner trim 4.

The present invention also is to be provided with in the described internal-rib die cavity 2 at least a in groove 6, depressed part 7, hole 8, raised line 9, boss module 10 or the external corner 11.Fig. 5 is the structural representation of the embodiment of the invention 5, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, be provided with groove 6, depressed part 7 and raised line 9 in its internal-rib die cavity 2 simultaneously.Fig. 6 is the structural representation of the embodiment of the invention 6, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, be provided with hole 8, boss module 10 and external corner 11 in its internal-rib die cavity 2 simultaneously.

The present invention also be described spacer draw piece 3 for and hollow die shell 1 between be spacer draw piece between firmly linking.Fig. 7 is the structural representation of the embodiment of the invention 7, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the connected mode between spacer draw piece 3 and the hollow die shell 1 is for fixedlying connected therebetween.

The present invention also be described spacer draw piece 3 for hollow die shell 1 between for flexibly connect or telescopic be connected between the spacer draw piece.Fig. 8 is the structural representation of the embodiment of the invention 8, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 be a telescopic spacer draw piece of activity therebetween.

The present invention is that also described spacer draw piece 3 is at least one in rod member, rope, plate, muscle, silk, thin band, piece, the pier.Fig. 9 is the structural representation of the embodiment of the invention 9, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 be tabular and rope spare therebetween.

The present invention also be spacer draw piece between described rod member, plate, piece, pier formula 3 for hollow or porous hollow or compound between the spacer draw piece.Figure 10 is the structural representation of the embodiment of the invention 10, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 is a shaft-like hollow spacer draw piece therebetween.

The present invention is that also described spacer draw piece 3 is metalwork.Figure 11 is the structural representation of the embodiment of the invention 11, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 is a metalwork therebetween.

The present invention is that also described intermetallic spacer draw piece 3 is docked by at least two metalworks, or the die wall of metalwork and internal-rib die cavity 2 welding, or the welding of the built-in fitting of the die wall of metalwork and internal-rib die cavity 2, or the die wall screw or the bolt of metalwork and built-in fitting or internal-rib die cavity 2 form.As shown in figure 11, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its intermetallic spacer draw piece 3 is welded by the built-in fitting on the die wall of metalwork and internal-rib die cavity 2.

The present invention is that also at least one bending of described spacer draw piece 3 stretch into anchoring in the die wall of hollow die shell 1.Figure 12 is the structural representation of the embodiment of the invention 12, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, anchoring in the die wall of hollow die shell 1 is stretched in two bending of spacer draw piece 3 therebetween.

The present invention is also that described spacer draw piece is 3 parallel to each other, quadrature, oblique, grade separation.Figure 13 is the structural representation of the embodiment of the invention 13, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 is parallel or oblique setting each other in internal-rib die cavity 2 therebetween.

The present invention is that also the collar extension of described internal-rib die cavity 2 is horn mouth or bench port.Figure 14 is the structural representation of the embodiment of the invention 14, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the collar extension of its internal-rib die cavity 2 is the step collar extension.

The present invention is that also other position of described hollow die shell 1 is provided with at least a in inner corner trim 4, chamfering 5, groove 6, depressed part 7, hole 8, raised line 9, boss module 10 or the external corner 11.Figure 15 is the structural representation of the embodiment of the invention 15, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, other position of its hollow die shell 1 also is provided with inner corner trim 4, chamfering 5, depressed part 7 and raised line 9 simultaneously.Figure 16 is the structural representation of the embodiment of the invention 16, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, other positions of its hollow die shell 1 also are provided with groove 6, hole 8, boss module 10 and external corner 11 simultaneously.

The present invention also is described inner corner trim 4, chamfering 5, groove 6, raised line 9 self or makes up orthogonal thereto, oblique, parallel or grade separation setting mutually.As shown in figure 16, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the inner corner trim 4 on it, chamfering 5, groove 6 self or make up orthogonal thereto, parallel mutually or the grade separation setting.

The present invention is that also described the spacer draw piece 3 and the die wall global formation of the hollow die shell 1 of at least one internal-rib die cavity 2 become distance member 12.Figure 17 is the structural representation of the embodiment of the invention 17, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 becomes distance member 12 with the die wall global formation of the hollow die shell 1 of internal-rib die cavity 2 therebetween.

The present invention also is described distance member 12 and hollow die shell 1 gluing, welding, riveted joint or pegs graft whole.As shown in figure 17, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its at interval assembly 12 rivet integral body with hollow die shell 1.

The present invention also is described internal-rib die cavity more than 2 at least two, and they are straight-through, parallel each other, quadrature, oblique or grade separation.Figure 18 is the structural representation of the embodiment of the invention 18, a plurality of hollow mould shells 1 alternately, constitute a plurality of Cast-in-place concrete internal-rib die cavitys 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its internal-rib die cavity 2 is straight-through, parallel each other, the quadrature setting.Figure 19 is the structural representation of the embodiment of the invention 19, a plurality of hollow mould shells 1 alternately, constitute a plurality of Cast-in-place concrete internal-rib die cavitys 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its internal-rib die cavity 2 is straight-through, parallel each other, the quadrature setting.Figure 20 is the structural representation of the embodiment of the invention 20, a plurality of hollow mould shells 1 alternately, constitute a plurality of Cast-in-place concrete internal-rib die cavitys 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its internal-rib die cavity 2 is set parallel to each other.

The present invention is that also described spacer draw piece 3 protrudes or stretch out internal-rib die cavity 2.Figure 21 is the structural representation of the embodiment of the invention 21, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, spacer draw piece 3 protrudes outside the internal-rib die cavitys 2 therebetween.

The present invention is that also described hollow die shell 1 is provided with reinforce 13, perhaps has reinforce 13 to expose, and perhaps reinforce 13 passes internal-rib die cavity 2 and fuses.Reinforce 13 is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band, braid over braid or the strap.As shown in figure 21, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, be provided with reinforce 13 in its hollow die shell 1, there is reinforce 13 to expose simultaneously, and has the reinforce 13 that exposes to pass internal-rib die cavity 2 hollow die shell 1 is fused.Diagram reinforce 13 is metal foil band and fleece.

The present invention is that also described hollow die shell 1 is the hollow die shell of at least one face opening.As shown in figure 21, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, wherein each hollow die shell 1 is the hollow die shell of a face opening.

The present invention is that also described at least one hollow die shell 1 is provided with locating structure 14.As shown in figure 21, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its hollow die shell 1 is provided with locating structure 14, and illustrated position structure 14 is the spike locating piece.

The present invention is that also the bottom surface 15 of described hollow die shell 1 is extended with bridging piece 16.Figure 22 is the structural representation of the embodiment of the invention 22, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the bottom surface 15 of its hollow die shell 1 is extended with bridging piece 16.

The present invention is that also described bottom surface 15 or bridging piece 16 wall thickness are greater than hollow die shell 1 other wall thickness.As shown in figure 22, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the wall thickness of its bottom surface 15 and bridging piece 16 is greater than other wall thickness of hollow die shell 1.

The present invention is that also described bottom surface 15 or bridging piece 16 have reinforce 13 to expose.As shown in figure 22, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, have reinforce 13 to expose on its bridging piece 16, diagram reinforce 13 is the metal foil band.

The present invention also is described hollow die shell 1 and bottom surface 15 connecting places fluted 6.As shown in figure 22, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, its hollow die shell 1 is provided with groove 6 with bottom surface 15 connecting places.

The present invention also is to be provided with in the described hollow die shell 1 at least one in stiffener 17, bracing boom 18, the reinforcing rib 19, perhaps at least one in stiffener 17, bracing boom 18 or the reinforcing rib 19 exposes, and has reinforce 13 to expose in perhaps above-mentioned at least one.Figure 23 is the structural representation of the embodiment of the invention 23, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, be provided with stiffener 17, bracing boom 18 and reinforcing rib 19 in its hollow die shell 1 simultaneously, simultaneously, stiffener 17 and bracing boom 18 parts are exposed outside the hollow die shell 1.

The present invention is that also at least one die side wall of described hollow die shell 1 is corrugated surface, broken line face, curved surface, matsurface or plane.Figure 24 is the structural representation of the embodiment of the invention 24, two hollow mould shells 1 alternately, constitute Cast-in-place concrete internal-rib die cavity 2, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, a plurality of die side walls of its hollow die shell 1 are the broken line face.

The present invention also is to fill or be pasted with light material 20 in the described hollow die shell 1.Light material 20 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 24, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, paste List has light material 20 in its hollow die shell 1, and diagram light material 20 is an expanded perlite.

The present invention is that also the die wall of described hollow die shell 1 is the die wall of Cement fibre, cement steel wire, metal or plastics.As shown in figure 23, two hollow mould shells 1 constitute Cast-in-place concrete internal-rib die cavity 2 alternately, be provided with in the internal-rib die cavity 2 a plurality of with hollow die shell 1 connect and compose cavity member between spacer draw piece 3, the die wall of its hollow die shell 1 is the Cement fibre die wall.

During the invention process, the position, turning is the hollow die shell 1 of inner corner trim 4 or chamfering 5 can to adopt the cement glass fibrous mesh cloth to make down earlier, and at the pre-buried weldment in its side, use spacer draw piece 3 between the bar dowel conduct then, with the mode that is welded to connect, by spacer draw piece 3 between bar dowel a plurality of hollow die shells 1 are welded and fused, promptly form internal-rib die cavity 2 and be the hollow component used for concrete of inverted T-shaped.

Claims (10)

1, a kind of hollow component used for concrete, comprise hollow die shell (1), it is characterized in that at least two hollow die shells (1) alternately, constitute Cast-in-place concrete internal-rib die cavity (2) between the opposite face of hollow die shell (1), at least one spacer draw piece (3) of the alternate binding all-in-one-piece of hollow die shell (1) with relative or adjacent surface is arranged in the internal-rib die cavity (2), the cross sectional shape of internal-rib die cavity (2) is an inverted T-shaped, and the lateral separation is connected as a single entity at least two cavity members or/and a spacer draw piece (3) is vertical by bottom surface (15).

2, a kind of hollow component used for concrete according to claim 1 is characterized in that there is bridging piece (16) described vertical termination.

3, a kind of hollow component used for concrete according to claim 1 is characterized in that there is bridging piece (16) described both sides longitudinally.

4, a kind of hollow component used for concrete according to claim 1, the position, following turning that it is characterized in that the hollow die shell (1) of described inverted T-shaped internal-rib die cavity (2) are at least a in inner corner trim (4) or the chamfering (5).

5, a kind of hollow component used for concrete according to claim 2 is characterized in that at least one side in the described internal-rib die cavity (2) has at least a in inner corner trim (4) or the chamfering (5).

6, a kind of hollow component used for concrete according to claim 1 is characterized in that being provided with in the described internal-rib die cavity (2) at least a in groove (6), depressed part (7), hole (8), raised line (9), boss module (10) or the external corner (11); Perhaps spacer draw piece (3) be and hollow die shell (1) between be spacer draw piece between firmly linking; Perhaps spacer draw piece (3) be with hollow die shell (1) between for flexibly connect or telescopic be connected between the spacer draw piece.

7,, it is characterized in that described spacer draw piece (3) is at least one in rod member, rope, plate, muscle, silk, thin band, piece, the pier according to the described a kind of hollow component used for concrete of arbitrary claim in the claim 1 to 6; Perhaps between rod member, plate, piece, pier formula spacer draw piece (3) be hollow porous hollow or compound between the spacer draw piece; Spacer draw piece (3) is a metalwork perhaps; Perhaps intermetallic spacer draw piece (3) is docked by at least two metalworks, or the die wall of metalwork and internal-rib die cavity (2) welding, or the welding of the built-in fitting of the die wall of metalwork and internal-rib die cavity (2), or the die wall screw or the bolt of metalwork and built-in fitting or internal-rib die cavity (2) form.

8, according to the described a kind of hollow component used for concrete of arbitrary claim in the claim 1 to 6, anchoring in the die wall of hollow die shell (1) is stretched at least one the bending that it is characterized in that described spacer draw piece (3); Parallel to each other, the quadrature of spacer draw piece (3), oblique, grade separation perhaps; Perhaps the collar extension of internal-rib die cavity (2) is horn mouth or bench port; Perhaps other position of hollow die shell (1) is provided with at least a in inner corner trim (4), chamfering (5), groove (6), depressed part (7), hole (8), raised line (9), boss module (10) or the external corner (11); Perhaps inner corner trim (4), chamfering (5), groove (6), raised line (9) self or make up orthogonal thereto, oblique, parallel or grade separation setting mutually.

9,, it is characterized in that described the spacer draw piece (3) and the die wall global formation of the hollow die shell (1) of at least one internal-rib die cavity (2) become distance member (12) according to the described a kind of hollow component used for concrete of arbitrary claim in the claim 1 to 6; Perhaps distance member (12) and hollow die shell (1) glued, weld, rivet or peg graft whole; Perhaps the internal-rib die cavity is more than (2) at least two, and they are straight-through, parallel each other, quadrature, oblique or grade separation; Spacer draw piece (3) protrudes or stretches out internal-rib die cavity (2) perhaps; Perhaps hollow die shell (1) is provided with reinforce (13), perhaps has reinforce (13) to expose, and perhaps reinforce (13) passes internal-rib die cavity (2) and fuses; Perhaps hollow die shell (1) is the hollow die shell of at least one face opening; Perhaps at least one hollow die shell (1) is provided with locating structure (14); Perhaps the bottom surface (15) of hollow die shell (1) is extended with bridging piece (16); Perhaps bottom surface (15) or bridging piece (16) wall thickness are greater than other wall thickness of hollow die shell (1); Perhaps bottom surface (15) or bridging piece (16) have reinforce (13) to expose; Perhaps hollow die shell (1) and bottom surface (15) connecting place fluted (6).

10, according to the described a kind of hollow component used for concrete of arbitrary claim in the claim 1 to 6, it is characterized in that being provided with in the described hollow die shell (1) at least one in stiffener (17), bracing boom (18), the reinforcing rib (19), perhaps at least one in stiffener (17), bracing boom (18) or the reinforcing rib (19) exposes, and has reinforce (13) to expose in perhaps above-mentioned at least one; Perhaps at least one die side wall of hollow die shell (1) is corrugated surface, broken line face, curved surface, matsurface or plane; Perhaps fill or be pasted with light material (20) in the hollow die shell (1); Perhaps the die wall of hollow die shell (1) is the die wall of Cement fibre, cement steel wire, metal or plastics.

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