(3) summary of the invention
The object of the present invention is to provide a kind of hollowcore slab, have that mechanical property is good, easy construction, simple in structure, save characteristics such as material, cost are low.
Solution of the present invention is on the basis of existing technology, comprise cast-in-situ reinforced concrete, cavity structural member for filling, cavity structural member for filling each other alternately, and wrap up in and be contained in the cast-in-situ reinforced concrete, cavity structural member for filling is the Cast-in-place concrete rib each other, cavity structural member for filling comprises the rectangular base plate of steel bar concrete, at least one rectangular longitudinal vertical plate of steel bar concrete, longitudinal vertical plate is arranged on the strip base plate, it is characterized in that having on the described base plate at least two built on stilts boxes of the peviform under shed, at least one sidewall of at least one built on stilts box and the plate face of longitudinal vertical plate are combined into one, built on stilts box is spaced and forms the cross rib die cavity, the concrete cross rib connecting plate die cavity that is communicated with the cross rib die cavity is arranged on the longitudinal vertical plate, base plate stretches out the rectangular longitudinal vertical plate outside and/or stretches out the built on stilts box of the peviform outside, constitute the limit of encorbelmenting, have cast-in-situ reinforced concrete to form the Cast-in-place concrete internal-rib in the cross rib die cavity, the Cast-in-place concrete internal-rib passes the connecting plate die cavity, and links to each other with the Cast-in-place concrete rib.Like this, because at least two built on stilts boxes of the peviform under shed are arranged on the base plate, at least one sidewall of at least one built on stilts box and the plate face of longitudinal vertical plate are combined into one, thereby the built on stilts box of peviform can reduce the Cast-in-place concrete consumption, alleviate hollowcore slab weight, reduce construction cost, improve the supporting capacity of floor; Simultaneously, built on stilts box is spaced and forms the cross rib die cavity, the concrete cross rib connecting plate die cavity that is communicated with the cross rib die cavity is arranged on the longitudinal vertical plate, there is cast-in-situ reinforced concrete to form the Cast-in-place concrete internal-rib in the cross rib die cavity, the Cast-in-place concrete internal-rib passes the connecting plate die cavity, and link to each other with the Cast-in-place concrete rib, thereby the concrete cross rib connecting plate die cavity position that is being communicated with the cross rib die cavity, smooth and easy the passing through of Cast-in-place concrete energy, the Cast-in-place concrete internal-rib that intersects with the rectangular longitudinal vertical plate of steel bar concrete that form to be communicated with, with the cast-in-place and prefabricated two-way rib structure that combines of the common formation of longitudinal vertical plate, and, in the direction vertical with longitudinal vertical plate, can lay various pipelines very swimmingly by concrete cross rib connecting plate die cavity, and can arbitrarily adjust, the various reinforcing bars of being laid are because of there being the parcel of Cast-in-place concrete, can not produce corrosion phenomena, and no longer need the scene to burrow; And, constitute the limit of encorbelmenting because base plate stretches out the rectangular longitudinal vertical plate outside and/or stretches out the built on stilts box of the peviform outside, thereby encorbelment the limit each other after the amalgamation, can replace construction formwork, it is more convenient to construct, and can further reduce construction cost; Therefore, this hollowcore slab has that mechanical property is good, easy construction, simple in structure, save characteristics such as material, cost are low, thereby reached purpose of the present invention, the hollow building cover, roof system, sole plate, body of wall and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention is that also the opening edge of the built on stilts box of described peviform stretches out reinforce and is anchored in base plate and/or longitudinal vertical plate and/or the limit of encorbelmenting.Like this,, make built on stilts box of peviform and above-mentioned structure be connected to become integral body, can improve the overall performance of Cavity structural member greatly, make it be difficult for division, destroy by the connection anchoring of reinforce.
Feature of the present invention is that also the opening edge of the built on stilts box of described peviform stretches out in the base plate that reinforce is anchored at the cross rib die cavity.Like this, by the connection anchoring of reinforce, make the base plate at built on stilts box of peviform and cross rib die cavity position be connected to become integral body, can improve the overall performance of Cavity structural member greatly, make it be difficult for division, destroy, simultaneously, can improve the intensity and the rigidity of cross rib die cavity position base plate.
Feature of the present invention also is to have in the described cross rib die cavity load support member to connect the built on stilts box of peviform.Like this, when having load support member connection peviform to make somebody a mere figurehead box in the described cross rib die cavity, the globality of Cavity structural member is better, and intensity and rigidity are bigger; Simultaneously,, can effectively strengthen the load-carrying construction in the hollowcore slab, make the performance of hollowcore slab better when the power transmission of load support member energy participation structure.
Feature of the present invention is that also described at least two load support members on same straight line, connect a plurality of built on stilts boxes.Like this, when a plurality of load support members on same straight line, when connecting a plurality of built on stilts box, the power transmission of load support member participation structure can be strengthened the load-carrying construction in the hollowcore slab effectively, makes the performance of hollowcore slab better.
Feature of the present invention is that also described at least two load support members are parallel or crossing.Like this, the parallel or crossing setting of a plurality of load support members can corresponding formation force transferring structure corresponding with it, makes the force transferring structure of hollowcore slab inside more reasonable.
Feature of the present invention is that also described load support member is truss or plate or pier or arch-shaped member.Like this, various informativeization of load support member helps satisfying the different needs of various reality, can conveniently practice.
Feature of the present invention is that also described two longitudinal vertical plates are parallel.Like this, when two longitudinal vertical plates be arranged in parallel in the Cavity structural member, its mechanical property was better.
Feature of the present invention is that also the built on stilts box of described peviform is arranged between two longitudinal vertical plates.Like this, the built on stilts box of peviform plays the support positioning action to longitudinal vertical plate, simultaneously, when described Cavity structural member be applied to cast-in-place concrete cored in the time, the built on stilts box of peviform can reduce the Cast-in-place concrete consumption, alleviates the hollowcore slab deadweight, can reduce cost simultaneously, improves the supporting capacity of hollowcore slab.
Feature of the present invention is that also described Cavity structural member is provided with the carrying suspender member.The carrying suspender member can be handle, suspension hook, suspension ring or other device.Like this, can very easily member be piled up, transport, lift and construct, can reduce the work difficulty and the working strength of above-mentioned operation, help improving efficiency of construction, reduce construction cost.
Feature of the present invention is that also described at least two cross rib die cavitys draw a straight line at interval.Like this, behind the Cast-in-place concrete, in above-mentioned cross rib die cavity, formed the cast-in-place concrete hidden rib of straight line, improved the Cast-in-place concrete load-carrying construction of hollowcore slab inside effectively, made it can fully satisfy instructions for use.
Feature of the present invention is that also the cross rib die cavity on described at least two same straight lines is parallel.Like this, behind the Cast-in-place concrete, in hollowcore slab, formed the cast-in-place concrete hidden rib load-carrying construction of respective parallel, improved the load-carrying construction of hollowcore slab inside greatly, made it can bear the load bigger than equal solid slab.
Feature of the present invention is that also at least one end of described at least two cavity structural member for filling flushes.Like this, the end of Cavity structural member flushes setting, is very easy to building of hollowcore slab, has reduced the loss of template significantly.
Feature of the present invention is that also cavity structural member for filling that described termination flushes is at interval or near setting.Like this,, can adopt rational arrangement that Cavity structural member is installed, reduce difficulty of construction, also can accelerate speed of application simultaneously according to the different stressing conditions of hollowcore slab.
Feature of the present invention also is described Cast-in-place concrete rib and Cast-in-place concrete internal-rib quadrature or oblique.Like this, when the Cast-in-place concrete rib in the hollowcore slab and Cast-in-place concrete internal-rib quadrature or oblique are provided with, formed crisscross Cast-in-place concrete load-carrying construction in hollowcore slab, hollowcore slab has formed the hollowcore slab of bidirectional stress.
Feature of the present invention is that also cast-in-situ reinforced concrete iterative structure panel is arranged on described Cast-in-place concrete rib and Cast-in-place concrete internal-rib and the Cavity structural member.Like this, when cast-in-situ reinforced concrete iterative structure panel is arranged on Cast-in-place concrete rib and Cast-in-place concrete internal-rib and the Cavity structural member, Cast-in-place concrete rib, Cast-in-place concrete internal-rib and cast-in-situ reinforced concrete iterative structure panel combine and have formed T shape or I-shaped Cast-in-place concrete load-carrying construction, and the weight bearing power of hollowcore slab is greatly enhanced.
Feature of the present invention also is to show to flush on described Cast-in-place concrete rib and Cast-in-place concrete internal-rib end face and the Cavity structural member, and no cast-in-situ reinforced concrete iterative structure panel above the Cavity structural member constitutes folded rib hollowcore slab.Like this, can reduce the own wt of hollowcore slab significantly, reduce the concrete consumption, economical with materials reduces cost, and supporting capacity that can corresponding raising hollowcore slab.
Feature of the present invention is that also the top board of described Cavity structural member is concrete plate or reinforced concrete slab.Like this, when the top board of Cavity structural member was concrete plate or reinforced concrete slab, building in the process of hollowcore slab, the top board of Cavity structural member can fully satisfy the requirement and the instructions for use of working load, and top board is survivable.
Feature of the present invention also is described Cavity structural member fissure of displacement butt joint.Like this, when the described Cavity structural member fissure of displacement docks, greatly facilitate building of hollowcore slab, can disperse the concentrated stress of docking site effectively, make seam areas be difficult for cracking destruction, can guarantee the quality of hollowcore slab effectively.
Feature of the present invention also is described Cavity structural member straight joint butt joint.Like this, when described Cavity structural member straight joint docks, in work progress, can make things convenient for the construction of Cavity structural member to lay greatly, reduce difficulty of construction, reduce construction cost.
Feature of the present invention is that also described longitudinal vertical plate is arranged on the same straight line, constitutes the longitudinal vertical plate rib.Like this, the formation of longitudinal vertical plate rib has improved the weight bearing power of hollowcore slab greatly, has formed in-situ deposited prefabricated dark rib in hollowcore slab, can improve the load-carrying construction system of hollowcore slab inside greatly.
Feature of the present invention is that also described at least two longitudinal vertical plate ribs are parallel.Like this, when described longitudinal vertical plate rib was parallel, side plate rib had formed the in-situ deposited prefabricated dark rib structure that combines that is parallel to each other in hollowcore slab, can promote the supporting capacity of hollowcore slab significantly.
Feature of the present invention is that also at least one end of described Cavity structural member is supported on the Cast-in-place concrete wall or/and on bright, the dark beam.Like this, can guarantee the support reliability of hollowcore slab cavity member effectively, convenient construction.
Feature of the present invention also be described Cavity structural member two end supports at the Cast-in-place concrete wall or/and on bright, the dark beam or on the concrete collar tie beam.Like this, can guarantee the support reliability of hollowcore slab cavity member effectively, convenient construction.
Feature of the present invention is that also described Cavity structural member base plate face flushes with the soffit.Like this, when Cavity structural member base plate face flushes with the soffit, the bottom surface of hollowcore slab on same horizontal plane, thereby make the hollowcore slab that the bottom surface of hollowcore slab has become no beam to expose, can greatly improve the function of use of hollowcore slab.
Feature of the present invention also is described Cast-in-place concrete rib or/and Cast-in-place concrete internal-rib and wall or beam intersect and connect to integral body.Like this, Cast-in-place concrete rib or Cast-in-place concrete internal-rib and wall or beam intersect and when connecting to integral body, and Cast-in-place concrete rib or Cast-in-place concrete internal-rib can make stress transmitted with load produced on the plate Stress Transfer on wall or beam.
Feature of the present invention is that also prestressed reinforcement or prestress wire or no-cohesive prestressed reinforcement are arranged in described Cast-in-place concrete rib and/or the Cast-in-place concrete internal-rib.Like this, when in Cast-in-place concrete rib or the Cast-in-place concrete internal-rib prestressed reinforcement or prestress wire or no-cohesive prestressed reinforcement being arranged, described hollowcore slab becomes prestressed cored slab, can improve the supporting capacity of hollowcore slab greatly.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise cast-in-situ reinforced concrete 10, cavity structural member for filling 11, cavity structural member for filling 11 each other alternately, and wrap up in and be contained in the cast-in-situ reinforced concrete 10, cavity structural member for filling 11 is Cast-in-place concrete rib 12 each other, cavity structural member for filling 11 comprises the rectangular base plate 1 of steel bar concrete, at least one rectangular longitudinal vertical plate 2 of steel bar concrete, longitudinal vertical plate 2 is arranged on the strip base plate 1, it is characterized in that having on the described base plate 1 at least two built on stilts boxes 3 of the peviform under shed, at least one sidewall of at least one built on stilts box 3 and the plate face of longitudinal vertical plate 2 are combined into one, built on stilts box 3 is spaced and forms cross rib die cavity 4, the concrete cross rib connecting plate die cavity 5 that is communicated with cross rib die cavity 4 is arranged on the longitudinal vertical plate 2, base plate 1 stretches out rectangular longitudinal vertical plate 2 outsides and/or stretches out built on stilts box 3 outsides of peviform, constitute the limit 6 of encorbelmenting, have cast-in-situ reinforced concrete 10 to form Cast-in-place concrete internal-rib 13 in the cross rib die cavity 4, Cast-in-place concrete internal-rib 13 passes connecting plate die cavity 5, and links to each other with Cast-in-place concrete rib 12.In each accompanying drawing, 1 is the rectangular base plate of steel bar concrete, and 2 is longitudinal vertical plate, 3 are the built on stilts box of peviform, and 4 is the cross rib die cavity, and 5 is cross rib connecting plate die cavity, 6 are the limit of encorbelmenting, 10 is cast-in-situ reinforced concrete, and 11 is Cavity structural member, and 12 is the Cast-in-place concrete rib, 13 is the Cast-in-place concrete internal-rib, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, its described concrete hollow board comprises cast-in-situ reinforced concrete 10, cavity structural member for filling 11, cavity structural member for filling 11 each other alternately, and wrap up in and be contained in the cast-in-situ reinforced concrete 10, cavity structural member for filling 11 is Cast-in-place concrete rib 12 each other, cavity structural member for filling 11 comprises the rectangular base plate 1 of steel bar concrete, the rectangular longitudinal vertical plate 2 of steel bar concrete, longitudinal vertical plate 2 is arranged on the strip base plate 1, also be provided with the built on stilts box 3 of peviform that Open Side Down on the base plate 1, built on stilts box 3 has the plate face of sidewall and longitudinal vertical plate 2 to be combined into one, built on stilts box 3 is spaced and forms cross rib die cavity 4, the concrete cross rib connecting plate die cavity 5 that is communicated with cross rib die cavity 4 is arranged on the longitudinal vertical plate 2, base plate 1 stretches out rectangular longitudinal vertical plate 2 outsides and stretches out built on stilts box 3 outsides of peviform, constitute the limit 6 of encorbelmenting, have cast-in-situ reinforced concrete 10 to form Cast-in-place concrete internal-rib 13 in the cross rib die cavity 4, Cast-in-place concrete internal-rib 13 passes connecting plate die cavity 5, and links to each other with Cast-in-place concrete rib 12.As shown in Figure 4, be the structural representation of Cavity structural member 11.
Feature of the present invention is that also the opening edge of the built on stilts box 3 of described peviform stretches out reinforce 7 and is anchored in base plate 1 and/or longitudinal vertical plate 2 and/or the limit 6 of encorbelmenting.As shown in Figure 5, the opening edge of the built on stilts box 3 of its described peviform stretches out reinforce 7 and is anchored in the base plate 1.
Feature of the present invention is that also the opening edge of the built on stilts box 3 of described peviform stretches out in the base plate 1 that reinforce 7 is anchored at cross rib die cavity 4.As shown in Figure 6, the opening edge of the built on stilts box 3 of its described peviform stretches out in the base plate 1 that reinforce 7 is anchored at cross rib die cavity 4.
Feature of the present invention also is to have in the described cross rib die cavity 4 load support member 8 to connect the built on stilts box 3 of peviform.As shown in Figure 6, there is load support member 8 to connect the built on stilts box 3 of peviform in its described cross rib die cavity 4.
Feature of the present invention is that also described at least two load support members 8 on same straight line, connect a plurality of built on stilts boxes 3.As shown in Figure 6, its described four load support members 8 connect five built on stilts boxes 3 on same straight line.
Feature of the present invention is that also described at least two load support members 8 are parallel or crossing.As shown in Figure 7, its described load support member 8 is parallel.
Feature of the present invention is that also described load support member 8 is truss or plate or pier or arch-shaped member.As shown in Figure 7, its described load support member 8 is a pier shape member.
Feature of the present invention is that also described two longitudinal vertical plates 2 are parallel.As shown in Figure 8, its described two longitudinal vertical plates 2 are parallel.
Feature of the present invention is that also the built on stilts box 3 of described peviform is arranged between two longitudinal vertical plates 2.As shown in Figure 8, the built on stilts box 3 of its described peviform is arranged between two longitudinal vertical plates 2.
Feature of the present invention is that also described Cavity structural member is provided with carrying suspender member 9.As shown in Figure 8, its described Cavity structural member is provided with carrying suspender member 9.
Feature of the present invention is that also described at least two cross rib die cavitys draw a straight line at interval.As shown in Figure 1, its described many cross rib die cavitys draw a straight line at interval.
Feature of the present invention is that also the cross rib die cavity on described at least two same straight lines is parallel.As shown in Figure 1, the cross rib die cavity on its described many same straight lines is parallel.
Feature of the present invention is that also at least one end of described at least two cavity structural member for filling flushes.As shown in Figure 1, an end of its described cavity structural member for filling flushes.
Feature of the present invention is that also cavity structural member for filling that described termination flushes is at interval or near setting.As shown in Figure 1, the cavity structural member for filling that flushes of its described termination is provided with at interval.
Feature of the present invention also is described Cast-in-place concrete rib 12 and Cast-in-place concrete internal-rib 13 quadratures or oblique.As shown in Figure 1, its described Cast-in-place concrete rib 12 and Cast-in-place concrete internal-rib 13 quadratures.
Feature of the present invention is that also cast-in-situ reinforced concrete iterative structure panel 14 is arranged on described Cast-in-place concrete rib 12 and Cast-in-place concrete internal-rib 13 and the Cavity structural member.As shown in Figure 1, on its described Cast-in-place concrete rib 12 and Cast-in-place concrete internal-rib 13 and the Cavity structural member cast-in-situ reinforced concrete iterative structure panel 14 is arranged.
Feature of the present invention also is to show to flush on described Cast-in-place concrete rib 12 and Cast-in-place concrete internal-rib 13 end faces and the Cavity structural member, and no cast-in-situ reinforced concrete iterative structure panel 14 above the Cavity structural member constitutes folded rib hollowcore slab.As shown in Figure 2, show to flush on its described Cast-in-place concrete rib 12 and Cast-in-place concrete internal-rib 13 end faces and the Cavity structural member, no cast-in-situ reinforced concrete iterative structure panel 14 above the Cavity structural member constitutes folded rib hollowcore slab.
Feature of the present invention is that also the top board of described Cavity structural member is concrete plate or reinforced concrete slab.As shown in Figure 2, the top board of its described Cavity structural member is a reinforced concrete slab.
Feature of the present invention also is described Cavity structural member fissure of displacement butt joint.As shown in Figure 3, its described Cavity structural member fissure of displacement butt joint.
Feature of the present invention also is described Cavity structural member straight joint butt joint.As shown in Figure 1, its described Cavity structural member straight joint butt joint.
Feature of the present invention is that also described longitudinal vertical plate is arranged on the same straight line, constitutes the longitudinal vertical plate rib.As shown in Figure 1, its described longitudinal vertical plate is arranged on the same straight line, constitutes the longitudinal vertical plate rib.
Feature of the present invention is that also described at least two longitudinal vertical plate ribs are parallel.As shown in Figure 1, its described longitudinal vertical plate rib is parallel.
Feature of the present invention is that also at least one end of described Cavity structural member is supported on the Cast-in-place concrete wall or/and on bright, the dark beam.As shown in Figure 1, its described Cavity structural member one end is supported on the dark beam of Cast-in-place concrete.
Feature of the present invention also be described Cavity structural member two end supports at the Cast-in-place concrete wall or/and on bright, the dark beam or on the concrete collar tie beam.As shown in Figure 2, its described Cavity structural member two end supports is on bright beam of Cast-in-place concrete and dark beam.
Feature of the present invention is that also described Cavity structural member base plate face flushes with the soffit.As shown in Figure 1, its described Cavity structural member base plate face flushes with the soffit.
Feature of the present invention also is described Cast-in-place concrete rib 12 or/and Cast-in-place concrete internal-rib 13 intersects with wall or beam and connects to integral body.As shown in Figure 1, its described Cast-in-place concrete rib 12 and Cast-in-place concrete internal-rib 13 intersects with beam and connects to integral body.
Feature of the present invention is that also prestressed reinforcement or prestress wire or no-cohesive prestressed reinforcement are arranged in described Cast-in-place concrete rib 12 and/or the Cast-in-place concrete internal-rib 13.As shown in Figure 1, be respectively arranged with prestressed reinforcement in its described Cast-in-place concrete rib 12 and the Cast-in-place concrete internal-rib 13.
During the invention process, press earlier construction requirement mounting bracket or template, lay cavity structural member for filling 11, re-lay the reinforcing bar of reinforcing bar or dark beam or bright beam, and various steel pipe buried in advance spare, pour concrete after the acceptance(check), after treating the concrete setting and harden, maintenance is to stipulating the length of time that form removal promptly gets hollowcore slab.