CN100476102C - Cast-in-place steel reinforced concrete hollow slab - Google Patents
Cast-in-place steel reinforced concrete hollow slab Download PDFInfo
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- CN100476102C CN100476102C CNB2006100934219A CN200610093421A CN100476102C CN 100476102 C CN100476102 C CN 100476102C CN B2006100934219 A CNB2006100934219 A CN B2006100934219A CN 200610093421 A CN200610093421 A CN 200610093421A CN 100476102 C CN100476102 C CN 100476102C
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Abstract
The invention is a cast-in-site reinforced concrete hollow slab, comprising reinforced concrete and lightweight bodies, where the lightweight body are partially or all wrapped in the reinforced concrete, and characterized in that at least a concrete casting hole runs through the lightweight body, the concrete is cast in site into the hole to form a concrete pier stud, and there is reinforcing piece arranged in the lightweight body and the reinforcing piece is not arranged on a diagonal of the cavity. And it is applied to various cast-in-site reinforced concrete or pre-stressed reinforced concrete hollow floor systems, house covers, foundation slabs, walls and hollow bridges.
Description
The application for the applying date be that May 6, application number in 2003 are 200610004067.8, name is called the dividing an application of application for a patent for invention of " a kind of cast-in-situ reinforcing steel bar concrete hollow slab ".
(1) technical field
The present invention relates to a kind of cast-in-situ reinforcing steel bar concrete hollow slab.
(2) background technology
Arch without beam is that present Cast-in-place Concrete Building Floor is used wider floor structural form, have 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 arch without beam.The beam army in Shijiazhuang City, Hebei Province city and for example, the patent No. in application on February 23rd, 2000 is that ZL00203695.9, name are called the formwork that uses in " combination concrete hidden rib floor structure " utility model patent, Instructions Page 2 the 5th walk to the 7th line description " formwork can be solid; also can be hollow; light materials such as available plant straw, glass fiber reinforced plastic, sheet iron plate, glass fibre cement are made; its profile can be made shapes such as rectangle, circle, polygon according to designing requirement; ", being applied to equally make up in the concrete hidden rib superstructure also is to use as the lightening permanent loose tool.But no matter be hollow section or box, after being applied to superstructure as permanent light base-die, formed superstructure comprises that steel bar concrete, light carcass, some or all of the wrapping up in of light carcass are contained in the steel bar concrete, the stressed Force transmission parts of no superstructure in its light carcass, particularly when the light base-die size is big, show more obvious.Therefore, develop a kind of novel cast-in-situ reinforcing steel bar concrete hollow slab, improve the mechanical property of superstructure, for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of cast-in-situ reinforcing steel bar concrete hollow slab, its shearing resistance, torsional property improve greatly, have significantly improved the mechanical property of hollowcore slab, simultaneously, also have characteristics such as simple in structure, easy construction, cost be low.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, light carcass, some or all of the wrapping up in of light carcass is contained in the steel bar concrete, it is characterized in that having in the light carcass Cast-in-place concrete cast to run through two surfaces of light carcass with hole, the Cast-in-place concrete cast has only one with hole, be positioned at the middle part on two surfaces up and down, Cast-in-place concrete is cast in the hole, form superimposed concrete post or pier, light carcass is arranged in Cast-in-place concrete at interval, form cast-in-place concrete hidden rib each other, the orthogonal thereto layout of cast-in-place concrete hidden rib.Like this, have the dark close rib of many crisscross Cast-in-place concretes in the hollowcore slab, corresponding hollowcore slab is close rib hollowcore slab.Owing on light carcass, there is the hole of Cast-in-place concrete cast usefulness to run through light carcass, Cast-in-place concrete enters in the hole, after treating setting and harden, superimposed concrete post or pier have been formed, thereby in loose tool, formed the stressed and Force transmission parts of hollowcore slab, improved the mechanical property of hollowcore slab greatly, particularly improved the shearing resistance of hollowcore slab greatly, antitorque mechanical property, simultaneously, also have simple in structure, easy construction, characteristics such as cost is low, the intensity and the rigidity of light carcass are higher, the globality of hollowcore slab is better, be applicable to the hollow building cover of various cast-in-situ reinforced concretes or prestressed reinforced concrete, 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 also is between the described hole two ends it is the hole wall of sealing, and this sealing hole wall separates the hollow lumen of superimposed concrete post or pier and light carcass.
Feature of the present invention is that also the axis of described a plurality of holes in a plane, intersects each other, and superimposed concrete post that corresponding Cast-in-place concrete forms in hole or pier are to intersect each other to be arranged.Like this, can design,, reduce and produce and construction cost to satisfy the needs of different units in charge of construction according to actual conditions.
Feature of the present invention also is the axis of described a plurality of holes in Different Plane, and grade separation each other, superimposed concrete post that corresponding Cast-in-place concrete forms in hole or pier are grade separation each other and arrange.
Feature of the present invention also is the axis of described a plurality of holes in a plane or in Different Plane, and is parallel to each other, and superimposed concrete post that corresponding Cast-in-place concrete forms in hole or pier are each other and are arranged in parallel.
Feature of the present invention is that also at least one end of described hole is a gradual change enlarging shape hole, corresponding formation Cast-in-place concrete distortion cap.Like this, can improve the Cast-in-place concrete post of formation in the hole or the stress of pier greatly, form arc-shaped transition around the corner, reduce stress and concentrate.
Feature of the present invention is that also described hole is sudden change enlarging shape hole, corresponding formation Cast-in-place concrete sudden change shape cap.Like this, can form the cap or the pier cap of Cast-in-place concrete post or pier, improve the hollowcore slab mechanical property.
Feature of the present invention also is to have on the surface of the light carcass of at least one end of described hole at least one groove to link to each other with hole.Like this, Cast-in-place concrete enters in the groove can form Cast-in-place concrete rib or reinforcing rib, further improves the mechanical property of superstructure, improves the mutual wedge action between lightening permanent loose tool and the Cast-in-place concrete, improves the globality of hollowcore slab.
Feature of the present invention is that also the side of described groove or bottom surface or both are arc.Like this, the mutual wedge action between lightening permanent loose tool and the Cast-in-place concrete is better.
Feature of the present invention is that also described groove is above step sudden expansion connected in star or the wide connected in star of flaring of one-level.Like this, formed Cast-in-place concrete rib or reinforcing rib are step, the corresponding mechanical property of improving hollowcore slab.
Feature of the present invention is that also described groove is parallel to each other or is communicated with, and is parallel, quadrature or oblique each other and arranges.Like this, can design according to actual needs,, reduce the construction cost of hollowcore slab to satisfy the needs of various different occasions.
It is the intersection point of quadrature or oblique that feature of the present invention also is between the described groove with the hole.Like this, the Cast-in-place concrete rib of formation or reinforcing rib and Cast-in-place concrete post or pier are interconnected to integral body, have improved the globality and the mechanical property of hollowcore slab.
Feature of the present invention is that also described adjacent holes is communicated with by the upper surface or the groove on the soffit of light carcass.
Feature of the present invention also is the upper surface of described light carcass or/and the groove on the soffit is the groined type layout, and is communicated with four holes.
Feature of the present invention also is on the peripheral side of described light carcass at least one groove is arranged.Like this, in groove, can form Cast-in-place concrete rib or reinforcing rib.When groove when being vertical and big, then form Cast-in-place concrete post or pier, further improved the mechanical property of hollowcore slab.
Feature of the present invention is that also the axis of the axis of described at least one hole and at least one above carcass lateral grooves is in a plane.Like this, formed superimposed concrete post and ribs or muscle and Cast-in-place concrete panel can form force structure preferably.
Feature of the present invention is that also at least one end of described at least one hole has at least one local recessed zone to link to each other with hole.Like this, can make things convenient on the one hand the cast of Cast-in-place concrete, guarantee that concrete is closely knit in the hole, the Cast-in-place concrete in the recessed area can improve post or the pier stress concentration phenomenon in the corner on the other hand.
Feature of the present invention is that also described recessed zone is the above step recessed area of secondary.Like this, can form the cap structure of hollowcore slab, improve the stress performance of hollowcore slab.
Feature of the present invention is that also the size of at least one end of described hole greater than the center, is step or arc horn mouth.Like this, the concrete cast is more convenient, can effectively improve post or pier stress concentration phenomenon around the corner.
Feature of the present invention also is to have on the surface of at least one end light carcass of hole at least one in boss or raised line or the protruding nail.Like this, the mutual build-in between lightening permanent loose tool and the Cast-in-place concrete is better, and the globality of hollowcore slab is stronger.
Feature of the present invention is that also described hole is arranged in a row or two or more rows on light carcass, be parallel each other between two rows or the hole cross-section center line more than two rows or quadrature or oblique layout.Like this, can design,, reduce the construction cost of hollowcore slab to satisfy the needs of different situations according to actual.
Feature of the present invention is that also the cross section of described hole is the combination of circle or polygon or ellipse or similar round or class ellipse or cross or above-mentioned shape reducing cross section or above-mentioned shape.
Feature of the present invention is that also polygon is the arc angle polygon.
Like this, more convenient design is selected for use, helps reducing construction cost.
Feature of the present invention is that also described light carcass is a solid.Like this, the making of light carcass is simpler relatively, even light carcass has breakage in carrying and work progress, also needn't repair, and it is more convenient to construct, and construction cost is lower.
Feature of the present invention is that also described light carcass is the solid of folder light material in the hard thin-wall.Like this, the intensity of light carcass is better, simultaneously, the insulation of hollowcore slab, heat insulation, sound insulation value is better.
Feature of the present invention is that also described light carcass is a hollow matrix.Like this, the weight of light carcass is lighter, and it is more convenient to carry, construct.
Feature of the present invention is that also described light carcass is cavity thin-walled matrix or macropore hollow matrix or porous hollow carcass.Like this, can select according to actual needs, make things convenient for design and construction unit to select for use, help reducing the construction cost of hollowcore slab.
Feature of the present invention also is in the described light carcass reinforcement is arranged, and reinforcement is at least one in stiffening rib or bracing boom or the reinforcing rib.Like this, the intensity and the rigidity of light carcass are higher, and the globality of hollowcore slab is better.
Feature of the present invention is that also described reinforcement is the compound reinforcement of cement gel ramming material and reinforce.Like this, the intensity and the rigidity of reinforcement are better, and the mechanical property of hollowcore slab is better.
Feature of the present invention is that also described reinforce is at least a in steel wire, reinforcing bar, fiber, the fibrous mesh cloth.
Feature of the present invention is that also described reinforce is gauze wire cloth or steel mesh reinforcement.
Feature of the present invention is that also described reinforce is a fleece.
Feature of the present invention is that also described reinforce is a nonwoven.
Feature of the present invention is that also described reinforce is thin band.
Like this, reinforce wide in variety can be selected according to design and the needs of producing, and help reducing the construction cost of hollowcore slab.
Feature of the present invention is that also the surface of described light carcass exposes reinforce is arranged.Like this, the bonding between lightening permanent loose tool and the Cast-in-place concrete is more firm, and the globality of hollowcore slab is better.
Feature of the present invention also is hole quadrature or the oblique on the side around on the described light carcass.Like this, can satisfy the needs of different designs and construction.
Feature of the present invention is that also described hole is communicated with peripheral side and soffit.
Feature of the present invention is that also described light carcass shape of cross section is circular or oval or their combination of shape of cross or polygon.
Feature of the present invention is that also polygon is rectangle or square.
Like this, can satisfy the needs of different designs and construction, help reducing the construction cost of hollowcore slab.
Feature of the present invention is that also described polygon is arc angle polygon or re-entrant angle polygon.
Feature of the present invention is that also described circle is a similar round.
Feature of the present invention is that also described ellipse is the class ellipse.
Feature of the present invention also is to be useful on the described light carcass link connected to one another between the light carcass.Like this, when construction, can make things convenient for the construction of lightening permanent loose tool, make loose tool connection each other more convenient, the speed of application of hollowcore slab is faster.Link can be tube connector, cutting ferrule, bolt, bar dowel, weldment etc.
Feature of the present invention also is to have on the peripheral side of described light carcass the boss mould or the pothole of evagination.Like this, can further improve the mutual wedge action between lightening permanent loose tool and the Cast-in-place concrete, improve the globality of hollowcore slab.
Feature of the present invention also is to be connected and fixed member on the described light carcass.Like this, make things convenient for the construction of lightening permanent loose tool, particularly itself and lower support or template is connected and fixed.Be connected and fixed member and can be drag hook, draw ring, iron wire etc.
Feature of the present invention is that also the thin-walled of described light carcass is a metal sheet.Like this, can adopt metallic stamping pieces as the lightening permanent loose tool.As adopt metal corrugated plate as thin-walled.
Feature of the present invention is that also the thin-walled of described light carcass is the composite construction of cement gel ramming material and reinforce.Like this, the intensity height of thin-walled, not cracky; Its composite construction can adopt one deck cementitious matter one deck reinforce layer structure of one deck cementitious matter again, and it is more convenient easy to make.Simultaneously, the surface of light carcass also can be exposed reinforce.
Feature of the present invention is that also the thin-walled of described hole or the thin-walled of groove are metallic walls or carbon fiber wall.
Feature of the present invention is that also metallic walls is the wire lath wall.
Feature of the present invention also is to be provided with prestressed reinforcement in the described steel bar concrete.Like this, hollowcore slab is applicable to the hollow-core construction of striding the footpath greatly, and its stress performance is better, and supporting capacity is higher, and crack resistance is better.
Feature of the present invention also is to be provided with reinforcing bar in the described steel bar concrete, and reinforcing bar is at least a in cold-rolled forming section, i iron, angle steel, channel-section steel or the band steel.Like this, the supporting capacity of hollowcore slab is higher, and is stressed better with transmission force property, is applicable to stressed bigger hollow-core construction occasion.
Feature of the present invention is that also the upper surface of described light carcass exposes.
Feature of the present invention is that also the thin-walled of described hole is the cavity of light carcass outward.
Feature of the present invention is that also described superimposed concrete post or pier are the superimposed concrete post or the pier of superimposed pertusate thin-walled.
Feature of the present invention also is described superimposed concrete post or the upper and lower subsurface steel bar concrete of pier drawknot light carcass upper surface.
Feature of the present invention also is on described superimposed concrete post or the pier drawknot light carcass upper surface or steel bar concrete under the soffit and cast-in-place concrete hidden rib.
Feature of the present invention is that also described same light carcass has a side and other light carcass and tight layout, and opposite side has cast-in-place concrete hidden rib.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 is steel bar concrete, and 2 is light carcass, and 3 are the cast hole, and 4 is superimposed concrete post, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, have a plurality of light carcass 2 to wrap up in the hollowcore slab and be contained in the steel bar concrete 1, the hole 3 of a perforation is arranged on the light carcass 2, cast-in-situ reinforced concrete 1 is poured into and forms superimposed concrete post 4 in the hole 3.
Fig. 2 is the structural representation of the embodiment of the invention 2, and its four light carcass 2 arrange, and wrap up in fully and be contained in the steel bar concrete 1 that the interval between the light carcass 2 has formed cast-in-place concrete hidden rib 5 at interval.
Fig. 3 is the structural representation of the embodiment of the invention 3, and its light carcass 2 has formed the two-way cast in place reinforced bar concrete hidden rib 5 of quadrature each other alternately, and lightweight member 2 also can be set to oblique or the wrong interval of arranging of handing over each other.
Fig. 4 is the structural representation of the embodiment of the invention 4, and it is wrapped up in the light carcass 2 that contains and is provided with four holes 3, and is parallel each other, corresponding Cast-in-place concrete superposed column 4 layouts parallel to each other.
Fig. 5 is the structural representation of the embodiment of the invention 5, and in its cast-in-situ reinforcing steel bar concrete hollow slab, wrapping up in the light carcass 2 that contains, to be provided with two ends be gradual change enlarging shape hole 3, and after concrete was poured in the hole 3, two ends had formed Cast-in-place concrete distortion cap.
Fig. 6 is the structural representation of the embodiment of the invention 6, during it is cast-in-place concrete cored, wraps up on the light carcass 2 that contains, the hole 3 that is provided with is sudden change enlarging shape hole, after concrete is poured in the hole 3, form the cast-in-situ reinforcing steel bar concrete hollow slab of band Cast-in-place concrete sudden change shape cap, be illustrated as the step cap.
Fig. 7 is the structural representation of the embodiment of the invention 7, during it is cast-in-place concrete cored, wraps up in and contains a plurality of light carcass 2, and light carcass 2 is provided with the groove 6 of quadrature in length and breadth, and groove 6 intersection location are provided with perforated holes 3 and are attached thereto logical.
Fig. 8 is the structural representation of the embodiment of the invention 8, during it is cast-in-place concrete cored, wraps up in and contains a plurality of light carcass 2, and the groove 5 on its light carcass 2 is the wide connected in star of flaring, behind the Cast-in-place concrete, forms band wide shape reinforcing rib of flaring or rib.
Fig. 9 is the structural representation of the embodiment of the invention 9, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, and sidewall is provided with the groove 6 of a plurality of up/down perforations around the light carcass 2, behind the cast-in-situ reinforced concrete 1, forms dark rib 5.
Figure 10 is the structural representation of the embodiment of the invention 10, in its cast-in-situ reinforcing steel bar concrete hollow slab, wrap up in and contain a plurality of light carcass 2, light carcass 2 is provided with the hole 3 of a plurality of up/down perforations, is provided with the local recessed zone 7 that links to each other with hole 3 in the upper end of hole 3.
Figure 11 is the structural representation of the embodiment of the invention 11, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of carcasses 2, light carcass 2 is provided with a plurality of cast holes 3, the cross sectional shape of hole 3 is circular, and hole 3 both ends sizes are greater than the center size, curved horn mouth.
Figure 12 is the structural representation of the embodiment of the invention 12, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, and light carcass 2 is provided with boss 8, raised line 9 and protruding nail 10.
Figure 13 is the structural representation of the embodiment of the invention 13, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, and light carcass 2 is a solid.
Figure 14 is the structural representation of the embodiment of the invention 14, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, is filled with light material 12 in the light carcass 2, is illustrated as foamed plastics.
Figure 15 is the structural representation of the embodiment of the invention 15, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of carcasses 2, is provided with reinforcement 13 in the light carcass 2, and reinforcement 13 is stiffening rib, bracing boom or reinforcing rib.
Figure 16 is the structural representation of the embodiment of the invention 16, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, is useful on the cylindric link 15 that light carcass 2 is connected on the light carcass 2.
Figure 17 is the structural representation of the embodiment of the invention 17, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, and outer wall is provided with and exposes or the boss mould 16 and the pothole 17 of indent around the light carcass 2.
Figure 18 is the structural representation of the embodiment of the invention 18, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, is spaced between the light carcass 2, forms cast-in-place concrete hidden rib 5, is provided with prestressed reinforcement 19 in cast-in-place concrete hidden rib 5.
Figure 19 is the structural representation of the embodiment of the invention 19, in its cast-in-situ reinforcing steel bar concrete hollow slab, wrap up in and contain a plurality of light carcass 2, be spaced between the light carcass 2, form cast-in-place rib 5, simultaneously, in cold-rolled forming section, i iron, angle steel, channel-section steel, the wall steel one or more can be set in cast-in-place rib 5, be illustrated as i iron.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise steel bar concrete 1, light carcass 2, light carcass 2 some or all of wrapping up in are contained in the steel bar concrete 1, it is characterized in that having in the light carcass 2 the Cast-in-place concrete cast to run through two surfaces of light carcass 2 with hole 3, the Cast-in-place concrete cast has only one with hole 3, be positioned at the middle part on two surfaces up and down, Cast-in-place concrete is cast in the hole 3, form superimposed concrete post or pier 4, light carcass 2 is arranged in Cast-in-place concrete at interval, form cast-in-place concrete hidden rib 5 each other, cast-in-place concrete hidden rib 5 orthogonal thereto layouts.Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 is steel bar concrete, and 2 is light carcass, and 3 are the cast hole, and 4 is superimposed concrete post or pier, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, have a plurality of light carcass 2 to wrap up in the hollowcore slab and be contained in the steel bar concrete 1, the hole 3 of a perforation is arranged on the light carcass 2, cast-in-situ reinforced concrete 1 is poured into and forms superimposed concrete post or pier 4 in the hole 3.As shown in figure 15, be provided with reinforcement 13 in the light carcass 2, reinforcement 13 is arranged on the off-diagonal of cavity.
Fig. 2 is the structural representation of the embodiment of the invention 2, and its four light carcass 2 arrange, and wrap up in fully and be contained in the steel bar concrete 1 that the interval between the light carcass 2 has formed cast-in-place concrete hidden rib 5 at interval.
Fig. 3 is the structural representation of the embodiment of the invention 3, and its light carcass 2 has formed the two-way cast in place reinforced bar concrete hidden rib 5 of quadrature each other alternately, and lightweight member 2 also can be set to oblique or the wrong interval of arranging of handing over each other.
The present invention also is between described hole 3 two ends it is the hole wall of sealing, and this sealing hole wall separates the hollow lumen of superimposed concrete post or pier 4 and light carcass 2.As shown in Figure 1, 2.
The present invention is that also the axis of described a plurality of hole 3 in a plane, intersects each other, and superimposed concrete post that corresponding Cast-in-place concrete forms in hole 3 or pier 4 are to intersect each other to be arranged.As shown in Figure 3.
The present invention also is the axis of described a plurality of hole 3 in Different Plane, and grade separation each other, superimposed concrete post that corresponding Cast-in-place concrete forms in hole 3 or pier 4 are grade separation each other and arrange.
The present invention also is the axis of described a plurality of hole 3 in a plane or in Different Plane, and is parallel to each other, and superimposed concrete post that corresponding Cast-in-place concrete forms in hole 3 or pier 4 are each other and are arranged in parallel.Fig. 4 is the structural representation of the embodiment of the invention 4, and it is wrapped up in the light carcass 2 that contains and is provided with four holes 3, and is parallel each other, corresponding Cast-in-place concrete superposed column 4 layouts parallel to each other.
The present invention is that also at least one end of described hole 3 is a gradual change enlarging shape hole, corresponding formation Cast-in-place concrete distortion cap.Fig. 5 is the structural representation of the embodiment of the invention 5, and in its cast-in-situ reinforcing steel bar concrete hollow slab, wrapping up in the light carcass 2 that contains, to be provided with two ends be gradual change enlarging shape hole 3, and after concrete was poured in the hole 3, two ends had formed Cast-in-place concrete distortion cap.
The present invention is that also described hole 3 is sudden change enlarging shape hole, corresponding formation Cast-in-place concrete sudden change shape cap.Fig. 6 is the structural representation of the embodiment of the invention 6, during it is cast-in-place concrete cored, wraps up on the light carcass 2 that contains, the hole 3 that is provided with is sudden change enlarging shape hole, after concrete is poured in the hole 3, form the cast-in-situ reinforcing steel bar concrete hollow slab of band Cast-in-place concrete sudden change shape cap, be illustrated as the step cap.
The present invention also is to have on the surface of the light carcass 2 of at least one end of described hole 3 at least one groove 6 to link to each other with hole 3.Fig. 7 is the structural representation of the embodiment of the invention 7, during it is cast-in-place concrete cored, wraps up in and contains a plurality of light carcass 2, and light carcass 2 is provided with the groove 6 of quadrature in length and breadth, and groove 6 intersection location are provided with perforated holes 3 and are attached thereto logical.
The present invention is that also the side of described groove 6 or bottom surface or both are arc.As shown in Figure 7, the side of groove 6, bottom surface both be arc.
The present invention is that also described groove 6 is one-level above step sudden expansion connected in star or the wide connected in star of flaring.Fig. 8 is the structural representation of the embodiment of the invention 8, during it is cast-in-place concrete cored, wraps up in and contains a plurality of light carcass 2, and the groove 5 on its light carcass 2 is the wide connected in star of flaring, behind the Cast-in-place concrete, forms band wide shape reinforcing rib of flaring or rib.
The present invention is that also described groove 6 is parallel to each other or is communicated with, and is parallel, quadrature or oblique each other and arranges.As shown in Figure 8, groove 6 communicates with each other, and is to be parallel to each other and the quadrature setting.
It is the intersection point of quadrature or oblique that the present invention also is between the described groove 6 with hole 3.As shown in Figure 8, be the intersection point of quadrature with hole 3 between its groove 6.
The present invention is that also described adjacent holes 3 is communicated with by the upper surface or the groove on the soffit 6 of light carcass 2.Shown in Fig. 7,8.
The present invention also is the upper surface of described light carcass 2 or/and the groove 6 on the soffit is the groined type layout, and is communicated with four holes 3.Shown in Fig. 7,8.
The present invention also is on the peripheral side of described light carcass 2 at least one groove 6 is arranged.Fig. 9 is the structural representation of the embodiment of the invention 9, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, and sidewall is provided with the groove 6 of a plurality of up/down perforations around the light carcass 2, behind the cast-in-situ reinforced concrete 1, forms dark rib 5.
The present invention is that also the axis of the axis of described at least one hole 3 and at least one above carcass lateral grooves 6 is in a plane.As shown in Figure 9, the axis of the groove 6 of the axis of its hole 3 and carcass side is in a plane.
The present invention is that also at least one end of described at least one hole 3 has at least one local recessed zone 7 to link to each other with hole 3.Figure 10 is the structural representation of the embodiment of the invention 10, in its cast-in-situ reinforcing steel bar concrete hollow slab, wrap up in and contain a plurality of light carcass 2, light carcass 2 is provided with the hole 3 of a plurality of up/down perforations, is provided with the local recessed zone 7 that links to each other with hole 3 in the upper end of hole 3.
The present invention is that also described recessed zone 7 is the above step recessed area of secondary.As shown in figure 10, its recessed zone 7 is a two stage steps shape recessed area.
The present invention is that also the size of at least one end of described hole 3 greater than the center, is step or arc horn mouth.Figure 11 is the structural representation of the embodiment of the invention 11, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of carcasses 2, light carcass 2 is provided with a plurality of cast holes 3, the cross sectional shape of hole 3 is circular, and hole 3 both ends sizes are greater than the center size, curved horn mouth.
The present invention also is to have on the surface of at least one end light carcass 2 of hole 3 at least one in boss 8 or raised line 9 or the protruding nail 10.Figure 12 is the structural representation of the embodiment of the invention 12, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, and light carcass 2 is provided with boss 8, raised line 9 and protruding nail 10.
The present invention is that also described hole 3 is arranged in a row or two or more rows on light carcass 2, be parallel each other between two rows or the hole 3 cross-section center lines more than two rows or quadrature or oblique layout.As shown in figure 12, its hole 3 is arranged in two rows on light carcass 2, and the line of centres of its hole 3 is parallel and quadrature.
The present invention is that also the cross section of described hole 3 is the combination of circle or polygon or ellipse or similar round or class ellipse or cross or above-mentioned shape reducing cross section or above-mentioned shape.
The present invention is that also polygon is the arc angle polygon.
As shown in figure 12, the cross section of its hole 3 is a quadrangle.
The present invention is that also described light carcass 2 is solid.Figure 13 is the structural representation of the embodiment of the invention 13, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, and light carcass 2 is a solid.
The present invention also is the solid of light carcass 2 for folder light material 12 in the hard thin-wall 11.Figure 14 is the structural representation of the embodiment of the invention 14, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, is filled with light material 12 in the light carcass 2, is illustrated as foamed plastics.
The present invention is that also described light carcass 2 is hollow matrix.To shown in Figure 6, light carcass 2 is a hollow matrix as Fig. 1.
The present invention is that also described light carcass 2 is cavity thin-walled matrix or macropore hollow matrix or porous hollow carcass.To shown in Figure 6, light carcass 2 is the cavity thin-walled matrix as Fig. 1.
The present invention also is in the described light carcass 2 reinforcement 13 is arranged, and reinforcement 13 is at least one in stiffening rib or bracing boom or the reinforcing rib.Figure 15 is the structural representation of the embodiment of the invention 15, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of carcasses 2, is provided with reinforcement 13 in the light carcass 2, and reinforcement 13 is stiffening rib, bracing boom or reinforcing rib.
The present invention also is the compound reinforcement of described reinforcement 13 for cement gel ramming material and reinforce 14.As shown in figure 15, reinforcement 13 is the compound reinforcement of cement gel ramming material and reinforce 14.
The present invention also is at least a in steel wire, reinforcing bar, fiber or the fibrous mesh cloth of described reinforce 14.As shown in figure 15, reinforce 14 is a reinforcing bar.
The present invention is that also described reinforce 14 is gauze wire cloth or steel mesh reinforcement.
The present invention is that also described reinforce 14 is fleece.
The present invention is that also described reinforce 14 is nonwoven.
The present invention is that also described reinforce 14 is thin band.
The present invention is that also the surface of described light carcass 2 exposes reinforce 14 is arranged.As shown in figure 15, the reinforce 14 that exposes is reinforcing bar and steel mesh reinforcement.
The present invention also is hole 3 quadrature or the oblique on the side around on the described light carcass 2.As shown in Figure 3, its hole 3 oblique on the side around.
The present invention is that also described hole 3 is communicated with peripheral side and soffit.As shown in Figure 3.
The present invention is that also described light carcass 2 shape of cross sections are circular or oval or their combination of shape of cross or polygon.As shown in figure 15, the shape of cross section of light carcass 2 is a square.
The present invention is that also described polygon is rectangle or square or arc angle polygon or re-entrant angle polygon.
The present invention is that also described circle is a similar round.
The present invention is that also described ellipse is the class ellipse.
The present invention also is to be useful on the described light carcass 2 link 15 connected to one another between the light carcass.Figure 16 is the structural representation of the embodiment of the invention 16, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, is useful on the cylindric link 15 that light carcass 2 is connected on the light carcass 2.
The present invention also is to have on the peripheral side of described light carcass 2 the boss mould 16 or the pothole 17 of evagination.Figure 17 is the structural representation of the embodiment of the invention 17, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, and outer wall is provided with and exposes or the boss mould 16 and the pothole 17 of indent around the light carcass 2.
The present invention also is to be connected and fixed member 18 on the described light carcass 2.As shown in figure 17, there is drag hook type to be connected and fixed member 18 on the light carcass 2.
The present invention is that also the thin-walled 11 of described light carcass 2 is metal sheet.
The present invention also is the composite construction of the thin-walled 11 of described light carcass 2 for cement gel ramming material and reinforce 14.
The present invention is that also the surface of described light carcass 2 exposes reinforce 14 is arranged.
The present invention is that also the thin-walled of hole 3 or the thin-walled 11 of groove 6 are metallic walls or carbon fiber wall.
The present invention is that also metallic walls is the wire lath wall.
The present invention also is to be provided with prestressed reinforcement 19 in the described steel bar concrete 1.Figure 18 is the structural representation of the embodiment of the invention 18, in its cast-in-situ reinforcing steel bar concrete hollow slab, wraps up in and contains a plurality of light carcass 2, is spaced between the light carcass 2, forms cast-in-place concrete hidden rib 5, is provided with prestressed reinforcement 19 in cast-in-place concrete hidden rib 5.
The present invention also is to be provided with reinforcing bar 20 in the described steel bar concrete 1, and reinforcing bar 20 is at least a in cold-rolled forming section, i iron, angle steel, channel-section steel or the band steel.Figure 19 is the structural representation of the embodiment of the invention 19, in its cast-in-situ reinforcing steel bar concrete hollow slab, wrap up in and contain a plurality of light carcass 2, be spaced between the light carcass 2, form cast-in-place rib 5, simultaneously, in cold-rolled forming section, i iron, angle steel, channel-section steel, the wall steel one or more can be set in cast-in-place rib 5, be illustrated as i iron.
The present invention is that also the upper surface of described light carcass 2 exposes.
The present invention also is described light carcass 2 and tight setting, no cast-in-place concrete hidden rib 5 between the light carcass 2.As shown in Figure 1.
The present invention is that also the thin-walled of described hole 3 is the cavity of light carcass 2 outward.As shown in Figure 1, 2.
The present invention is that also described superimposed concrete post or pier 4 are superimposed concrete post or the pier that is superimposed with the thin-walled of hole 3.As shown in Figure 1, 2.
The present invention also is described superimposed concrete post or the upper and lower subsurface steel bar concrete 1 of pier 4 drawknot light carcass 2 upper surfaces.As shown in Figure 1, 2.
The present invention also is on described superimposed concrete post or pier 4 drawknot light carcass 2 upper surfaces or steel bar concrete under the soffit 1 and cast-in-place concrete hidden rib 5.As shown in Figure 3.
The present invention is that also described same light carcass 2 has a side and other light carcass 2 and tight layout, and opposite side has cast-in-place concrete hidden rib 5.
During the invention process, press earlier the construction requirement mounting template, lay base plate reinforcing bar and dark beam, rib steel muscle secretly, light carcass 2 is installed then, re-lay upper reinforcement, pour concrete after the acceptance(check), treat the concrete setting and harden after, form removal promptly gets cast-in-situ reinforcing steel bar concrete hollow slab.
Claims (59)
1, a kind of cast-in-situ reinforcing steel bar concrete hollow slab, comprise steel bar concrete (1), light carcass (2), some or all of the wrapping up in of light carcass (2) is contained in the steel bar concrete (1), it is characterized in that having in the light carcass (2) the Cast-in-place concrete cast to run through two surfaces of light carcass (2) with hole (3), the Cast-in-place concrete cast has only one with hole (3), be positioned at the middle part on two surfaces up and down, Cast-in-place concrete is cast in the hole (3), form superimposed concrete post or pier (4), light carcass (2) is arranged in Cast-in-place concrete at interval, form cast-in-place concrete hidden rib (5) each other, the orthogonal thereto layout of cast-in-place concrete hidden rib (5).
2, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that between described hole (3) two ends it being the hole wall of sealing, and this sealing hole wall separates the hollow lumen of superimposed concrete post or pier (4) and light carcass (2).
3, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1, the axis that it is characterized in that a plurality of holes (3) intersects each other in a plane, and superimposed concrete post that corresponding Cast-in-place concrete forms in hole (3) or pier (4) are to intersect each other to be arranged.
4, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, the axis that it is characterized in that a plurality of holes (3) is in Different Plane, grade separation each other, superimposed concrete post that corresponding Cast-in-place concrete forms in hole (3) or pier (4) are grade separation each other and arrange.
5, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, the axis that it is characterized in that a plurality of holes (3) is in a plane or in Different Plane, parallel to each other, superimposed concrete post that corresponding Cast-in-place concrete forms in hole (3) or pier (4) are each other and are arranged in parallel.
6, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, at least one end that it is characterized in that described hole (3) is a gradual change enlarging shape hole, corresponding formation Cast-in-place concrete distortion cap.
7,, it is characterized in that described hole (3) is sudden change enlarging shape hole, corresponding formation Cast-in-place concrete sudden change shape cap according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
8,, it is characterized in that on the surface of the light carcass (2) of at least one end of described hole (3), having at least one groove (6) to link to each other with hole (3) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
9, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 8 is characterized in that the side of described groove (6) or bottom surface or both are arc.
10, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 8 is characterized in that described groove (6) is one-level above step sudden expansion connected in star or the wide connected in star of flaring.
11, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 8 is characterized in that described groove (6) is parallel to each other or is communicated with, and is parallel, quadrature or oblique each other and arranges.
12, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 11 is characterized in that between the described groove (6) with hole (3) being the intersection point of quadrature or oblique.
13, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 11 is characterized in that described adjacent holes (3) is communicated with by the upper surface or the groove on the soffit (6) of light carcass (2).
14, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 11 is characterized in that the upper surface of described light carcass (2) or/and the groove on the soffit (6) is the groined type layout, and is communicated with four holes (3).
15,, it is characterized in that on the peripheral side of described light carcass (2) at least one groove (6) being arranged according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
16, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 15, the axis that it is characterized in that the axis of described at least one hole (3) and at least one above carcass lateral grooves (6) is in a plane.
17,, it is characterized in that at least one end of described at least one hole (3) has at least one local recessed zone (7) to link to each other with hole (3) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
18, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 17 is characterized in that described recessed zone (7) is the above step recessed area of secondary.
19, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 17, the size of at least one end that it is characterized in that described hole (3) is step or arc horn mouth greater than the center.
20,, it is characterized in that having on the surface of at least one end light carcass (2) of hole (3) at least one in boss (8) or raised line (9) or the protruding nail (10) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
21, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that described hole (3) is arranged in a row or two or more rows on light carcass (2), be parallel each other between two rows or hole (3) the cross-section center line more than two rows or quadrature or oblique layout.
22, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, the cross section that it is characterized in that described hole (3) is the combination of circle or polygon or ellipse or similar round or class ellipse or cross or above-mentioned shape reducing cross section or above-mentioned shape.
23, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 22 is characterized in that polygon is the arc angle polygon.
24,, it is characterized in that described light carcass (2) is a solid according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
25, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 24 is characterized in that the solid of light carcass (2) for folder light material (12) in the hard thin-wall (11).
26,, it is characterized in that described light carcass (2) is a hollow matrix according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
27, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 26 is characterized in that described light carcass (2) is cavity thin-walled matrix or macropore hollow matrix or porous hollow carcass.
28, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that reinforcement (13) is arranged in the described light carcass (2), reinforcement (13) is at least one in stiffening rib or bracing boom or the reinforcing rib.
29, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 28 is characterized in that the compound reinforcement of described reinforcement (13) for cement gel ramming material and reinforce (14).
30, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 29 is characterized in that at least a in the steel wire, reinforcing bar, fiber, fibrous mesh cloth of described reinforce (14).
31, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 29 is characterized in that described reinforce (14) is gauze wire cloth or steel mesh reinforcement.
32, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 29 is characterized in that described reinforce (14) is a fleece.
33, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 29 is characterized in that described reinforce (14) is a nonwoven.
34, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 29 is characterized in that described reinforce (14) is thin band.
35, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 31, expose on the surface that it is characterized in that described light carcass (2) has reinforce (14).
36,, it is characterized in that hole (3) quadrature or oblique on the side around on the described light carcass (2) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
37, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 36 is characterized in that described hole (3) is communicated with peripheral side and soffit.
38,, it is characterized in that described light carcass (2) shape of cross section is circular or oval or their combination of shape of cross or polygon according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
39,, it is characterized in that polygon is rectangle or square according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of claim 38.
40,, it is characterized in that described polygon is arc angle polygon or re-entrant angle polygon according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of claim 38.
41,, it is characterized in that described circle is a similar round according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of claim 38.
42,, it is characterized in that described ellipse is the class ellipse according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of claim 38.
43,, it is characterized in that being useful on the described light carcass (2) link connected to one another (15) between the light carcass according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
44,, it is characterized in that having on the peripheral side of described light carcass (2) the boss mould (16) or the pothole (17) of evagination according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
45,, it is characterized in that being connected and fixed on the described light carcass (2) member (18) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
46, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, the thin-walled (11) that it is characterized in that light carcass (2) is a metal sheet.
47,, it is characterized in that the composite construction of the thin-walled (11) of light carcass (2) for cement gel ramming material and reinforce (14) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
48, according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of claim 47, expose on the surface that it is characterized in that described light carcass (2) has reinforce (14).
49,, it is characterized in that the thin-walled of hole (3) or the thin-walled (11) of groove (6) are metallic walls or carbon fiber wall according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
50,, it is characterized in that metallic walls is the wire lath wall according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of claim 49.
51,, it is characterized in that being provided with in the described steel bar concrete (1) prestressed reinforcement (19) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
52, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that being provided with in the described steel bar concrete (1) reinforcing bar (20), reinforcing bar (20) is at least a in cold-rolled forming section, i iron, angle steel, channel-section steel or the band steel.
53, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that the upper surface of described light carcass (2) exposes.
54,, it is characterized in that the thin-walled of hole (3) is the cavity of light carcass (2) outward according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
55,, it is characterized in that described superimposed concrete post or pier (4) are superimposed concrete post or the pier that is superimposed with the thin-walled of hole (3) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
56, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that described superimposed concrete post or the upper and lower subsurface steel bar concrete of pier (4) drawknot light carcass (2) upper surface (1).
57,, it is characterized in that on described superimposed concrete post or pier (4) drawknot light carcass (2) upper surface or steel bar concrete under the soffit (1) and cast-in-place concrete hidden rib (5) according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
58, according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs, it is characterized in that described same light carcass (2) has a side and other light carcass (2) and tight layout, opposite side has cast-in-place concrete hidden rib (5).
59,, it is characterized in that superimposed concrete post or the pier (4) in the same light carcass (2) between described cast-in-place concrete hidden rib (5) is parallel according to claim 1,2,3 or 4 described a kind of cast-in-situ reinforcing steel bar concrete hollow slabs.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100040678A CN100535303C (en) | 2003-05-06 | 2003-05-06 | Cast-in-situs hollow board of reinforcing bar concrete |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100040678A Division CN100535303C (en) | 2003-05-06 | 2003-05-06 | Cast-in-situs hollow board of reinforcing bar concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1891919A CN1891919A (en) | 2007-01-10 |
| CN100476102C true CN100476102C (en) | 2009-04-08 |
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| CN 200610100832 Pending CN1990972A (en) | 2003-05-06 | 2003-05-06 | Lightweight tyre body for cast-in-situ reinforcing steel bar concrete hollow slab |
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| CN 200610094858 Pending CN101024991A (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ steel reinforced concrete hollow board |
| CN 200610100843 Pending CN101024993A (en) | 2003-05-06 | 2003-05-06 | Light base for cast-in-situ steel reinforced concrete hollow board |
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| CN 200610100844 Pending CN101024994A (en) | 2003-05-06 | 2003-05-06 | Light base for cast-in-situ steel reinforced concrete hollow board |
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| CN2006101008487A Expired - Fee Related CN101024995B (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ steel reinforced concrete hollow board |
| CNB2006101008364A Expired - Fee Related CN100516399C (en) | 2003-05-06 | 2003-05-06 | Hollow slab of cast-in-situ reinforcing steel bar concrete |
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| CN2006101008415A Expired - Fee Related CN101024992B (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ steel reinforced concrete hollow board |
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|---|---|---|---|
| CNB2006100949873A Expired - Fee Related CN100535277C (en) | 2003-05-06 | 2003-05-06 | Cast-in-place steel reinforced concrete hollow slab |
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| CN2006100948531A Expired - Fee Related CN101024990B (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ steel reinforced concrete hollow board |
| CNB2006101004927A Expired - Fee Related CN100501033C (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ reinforced concrete hollow slab |
| CNB200610100842XA Expired - Fee Related CN100564748C (en) | 2003-05-06 | 2003-05-06 | A kind of cast-in-situ reinforcing steel bar concrete hollow slab |
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| CNB2006101004931A Expired - Fee Related CN100489225C (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ reinforced concrete hollow slab |
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| CN2006101008415A Expired - Fee Related CN101024992B (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ steel reinforced concrete hollow board |
| CNB2006100948461A Expired - Fee Related CN100469989C (en) | 2003-05-06 | 2003-05-06 | Light base for cast-in-place steel reinforced concrete hollow slab |
| CNB200610100835XA Expired - Fee Related CN100535281C (en) | 2003-05-06 | 2003-05-06 | Hollow slab of cast-in-situ reinforcing steel bar concrete |
| CNB2006100944687A Expired - Fee Related CN100489219C (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ reinforced concrete hollow slab |
| CNB2006101008330A Expired - Fee Related CN100535280C (en) | 2003-05-06 | 2003-05-06 | Hollow slab of cast-in-situ reinforcing steel bar concrete |
| CNB2006100948372A Expired - Fee Related CN100535341C (en) | 2003-05-06 | 2003-05-06 | Light base for cast-in-place steel reinforced concrete hollow slab |
| CNB2006101004062A Expired - Fee Related CN100489222C (en) | 2003-05-06 | 2003-05-06 | Cast-in-situ reinforced concrete hollow slab |
| CNB2006100948349A Expired - Fee Related CN100501089C (en) | 2003-05-06 | 2003-05-06 | Light carcass for cast-in-place steel reinforced concrete hollow slab |
| CNB2006101004912A Expired - Fee Related CN100467749C (en) | 2003-05-06 | 2003-05-06 | Cast-in-place steel reinforced concrete hollow slab |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824865B (en) * | 2010-04-21 | 2012-11-28 | 中南大学 | Cast-in-place reinforced concrete hollow slab |
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| US4287695A (en) * | 1978-06-19 | 1981-09-08 | Lifehaus Corporation Of Texas | Prefabricated building |
| EP0066647B1 (en) * | 1981-05-18 | 1984-11-28 | Carl, Heinz, Ing.grad. | Building slab |
| CN2160693Y (en) * | 1993-03-20 | 1994-04-06 | 于少华 | Shuttering member |
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