CN204983306U - Amalgamation prefabricated plate - Google Patents
Amalgamation prefabricated plate Download PDFInfo
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- CN204983306U CN204983306U CN201520721532.4U CN201520721532U CN204983306U CN 204983306 U CN204983306 U CN 204983306U CN 201520721532 U CN201520721532 U CN 201520721532U CN 204983306 U CN204983306 U CN 204983306U
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Abstract
The utility model provides an amalgamation prefabricated plate, include first prefabricated plate and the second prefabricated plate of being connected with first prefabricated plate the junction of first prefabricated plate and second prefabricated plate is provided with the connecting piece, the connecting piece includes the framework of steel reinforcement, first prefabricated plate, second prefabricated plate and connecting piece between the two pass through cast in situ concrete and annotate integratively. So, the connected node of above -mentioned structure is adopted in prefabricated plate amalgamation department, makes into the framework of steel reinforcement with the reinforcing bar, and to be small -size cast -in -place because of prefabricated plate amalgamation department, if adopt the field fabrication then to consume a large amount of costs of labor, and adopt prefabricated skeleton, then can be favorable to guaranteeing that the skeleton conforms with the design size in the mechanized preparation in batches in workshop, can reduce the cost of manufacture simultaneously by a wide margin, pour cast in situ concrete after, increase substantially the wholeness and the anti -seismic performance of prefabricated amalgamation floor, make it under earthquake disaster's effect, can not lead to middle part cracked condition appearance, improved the security performance of building.
Description
Technical field
The utility model relates to a kind of assembled architecture component, particularly a kind of split precast plate.
Background technology
In assembled architecture, its component such as floor and wallboard is typically employed in prefabrication, then at the construction field (site) the connected node between prefabricated units is formed overall structure by poured in place concrete.In order to strengthen the globality connected between floor, the mode generally adopted is laminated floor slab, although the globality of laminated floor slab is better, situ wet operation is more, and environment pollution is comparatively large, and needs a large amount of templates and support, and efficiency of construction is lower.At present, Ye You unit in charge of construction adopts full precast floor slab, general way is, cast-in-situ concrete between adjacent two precast plates, is linked to be entirety by concrete by precast plate, the floor of this structure, efficiency of construction is high, situ wet operation is considerably less, but globality is poor, and it is not firm to be connected between cast-in-situ concrete with precast plate.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of split precast plate, under the prerequisite of a large amount of minimizing situ wet operation, greatly can also improve globality and the efficiency of construction of building structure.
The solution of technical problem of the present utility model is achieved in that a kind of split precast plate, the second precast plate comprising the first precast plate and be connected with the first precast plate, the junction of described first precast plate and the second precast plate is provided with connector, described connector comprises cage of reinforcement, and described first precast plate, the second precast plate and connector between the two form one by cast-in-situ concrete.So, precast plate mosaic adopts the connected node of said structure, and add cage of reinforcement in precast plate mosaic, and precast plate mosaic is that small size is cast-in-place, therefore situ wet operation is considerably less; In addition, cage of reinforcement as adopted field fabrication then at substantial cost of labor, and adopts precast framework, then at room machine batch making, can be conducive to ensureing that skeleton conforms to design size, significantly can reduce cost of manufacture simultaneously, improve efficiency of construction; After cast-in-situ concrete, under the acting in conjunction of cage of reinforcement and cast-in-situ concrete, globality and the anti-seismic performance of prefabricated split floor can be increased substantially, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.Therefore, under the prerequisite of a large amount of minimizing situ wet operation, globality and the efficiency of construction of building structure greatly can also be improved.
Another technical scheme of the present utility model is on above-mentioned basis, and described connector also comprises exempts from hold mode, described in exempt from hold mode and comprise stencil body, at least one side of described stencil body is provided with flanging, and described cage of reinforcement is fixed on exempts from hold mode.So, precast plate mosaic adopts the connected node of said structure, wherein have employed integrated connector, after the side of its stencil body is provided with flanging, exempt from hold mode application process described, flanging can close with precast plate close contact, the plate face formed after flanging can contact with the surperficial forming surface of precast plate, effectively can prevent its spillage in casting process, if flanging to be converted into and stencil body is angle between 90 ° to 135 °, then can expand bonding tightness further, simultaneously, the plate face formed after its flanging can be shelved on the split face of precast plate, under the effect of working load, hold mode will be exempted from and precast plate compresses mortar leakage prevention.
Another technical scheme of the present utility model is on above-mentioned basis, and described stencil body is steel plate, and described flanging is elastic telescopic face.So, stencil body is steel plate, and when described flanging is elastic telescopic face, flanging has extendable room, described in exempt from hold mode and be applied in precast plate split process, can make up and between precast plate, range error is set, can prevent the split of precast plate from connecting spillage.
Another technical scheme of the present utility model is on above-mentioned basis, and described stencil body is bamboo slab rubber, wood glue plate or plastic plate.So, when stencil body is above-mentioned material, have cost low, wide material sources, when particularly adopting plastic plate, it has good plasticity and decay resistance, is conducive to applying.
Another technical scheme of the present utility model is on above-mentioned basis, and the both sides of described stencil body are provided with elastic telescopic face, and described elastic telescopic face is that steel plate edge is compressed into fold and forms.So, the both sides of template are provided with elastic telescopic face, described elastic telescopic face is that steel plate edge is compressed into fold when forming, template processing technology is simple, flanging has extendable room, described hold mode of exempting from is applied in precast plate split process, can make up and between precast plate, range error is set, can prevent the split of precast plate from connecting spillage, and after application, template bottom also has corresponding fold accordingly, and what increased substantially its underpart whitewashes coating bonding surface, can prevent rendering layer from coming off.
Another technical scheme of the present utility model is, on above-mentioned basis, described stencil body to be provided with bleeding aperture.So, stencil body is provided with bleeding aperture, described hold mode of exempting from is applied in the split process of precast plate, after Cast-in-place concrete pours into, a small amount of slurry can be secreted from bleeding aperture, thus the soffit at split position forms matsurface, what increased substantially its underpart whitewashes coating binding force, can prevent rendering layer from coming off; In addition, the existence of bleeding aperture, can also prevent the hollowing that the cast-in-place position of Nodes is formed due to air, reduces potential safety hazard.
Another technical scheme of the present utility model is, on above-mentioned basis, described stencil body to be provided with reinforcing bar fixture.So; stencil body is provided with reinforcing bar fixture; described hold mode of exempting from is in the split process being applied to precast plate; the reinforcing bar at split position can by reinforcing bar fixture with exempt from hold mode and be connected; fully can ensure the cast-in-situ concrete protective layer thickness of reinforcing bar; meanwhile, also can by template firmly with bar connecting, prevent its template in the process of cast-in-situ concrete from falling because of the applying of working load.
Another technical scheme of the present utility model is on above-mentioned basis, described reinforcing bar fixture and stencil body one-body molded.So, when reinforcing bar fixture and stencil body one-body molded time, only need reinforcing bar fixture to be made by punching press, considerably reduce manufacture difficulty and the cost of reinforcing bar fixture.
Another technical scheme of the present utility model is on above-mentioned basis, and described reinforcing bar fixture is working of plastics.So, when adopting working of plastics as reinforcing bar fixture, reinforcing bar permanent position is adjustable, and reinforcing bar fixture reduces costs by batch making.
Another technical scheme of the present utility model is on above-mentioned basis, and described working of plastics one end is the embedding mouth of reinforcing bar, is sold back to a grain-producing area till the other end.So, when working of plastics one end is the embedding mouth of reinforcing bar, be sold back to a grain-producing area till the other end, during described reinforcing bar fixture application, reinforcing bar can be snapped in reinforcing bar embedding mouth internal fixtion reinforcing bar, non-return pin inserts non-return in the hole that template is offered and fixes, construction technology is simple, reduces difficulty of construction.
Another technical scheme of the present utility model is on above-mentioned basis, and described reinforcing bar fixture is reinforcing bar locating slot.So, stencil body is provided with reinforcing bar locating slot, described hold mode of exempting from is in the split process being applied to precast plate, the reinforcing bar at split position can by reinforcing bar locating slot with exempt from hold mode and be connected, reinforcing bar can be prevented to be shifted, convenient fixing to be installed, simultaneously, also can by template firmly with bar connecting, prevent its template in the process of cast-in-situ concrete from falling because of the applying of working load.
Another technical scheme of the present utility model is, on above-mentioned basis, described stencil body to be provided with fin.So; after stencil body is provided with fin; the rigidity of template itself is greatly improved; the thickness of template can be reduced, meanwhile, can also template deformation be prevented; in addition; if fin horizontally set, can also use as steel bar spacer, can fully ensure concrete cover to reinforcement thickness.
Another technical scheme of the present utility model is on above-mentioned basis, described fin and stencil body one-body molded, or described fin and stencil body divide body formed and described fin to be fixed on stencil body.So, when fin and stencil body one-body molded time, as adopt steel plate make template, then can be compressing by steel plate, manufacture craft is convenient and simple,
Another technical scheme of the present utility model is, on above-mentioned basis, described fin to be provided with reinforcing bar locating slot.So, after fin is provided with reinforcing bar locating slot, in application process, reinforcing bar is placed in reinforcing bar locating slot, reinforcing bar can be prevented to be shifted, if arrange restraint device at reinforcing bar detent notch, then reinforcing bar firmly can be fixed in reinforcing bar detent, prevent reinforcing bar from moving further, effectively can ensure that the interior mechanics performance of cast-in-place structural is coincide with design.
Another technical scheme of the present utility model is on above-mentioned basis, described cage of reinforcement comprises longitudinal reinforcement and transverse reinforcement, described longitudinal reinforcement is elongated reinforcing bar, transverse reinforcement is connecting reinforcement, described elongated reinforcing bar and connecting reinforcement are arranged in length and breadth and fixedly become cage of reinforcement, and described connecting reinforcement is provided with the turnover of at least two places.So, reinforcement fabrication is become cage of reinforcement, because precast plate mosaic is that small size is cast-in-place, as adopted field fabrication then at substantial cost of labor, and adopt precast framework, then can at room machine batch making, be conducive to ensureing that skeleton conforms to design size, significantly can reduce cost of manufacture simultaneously, and on connecting reinforcement, be provided with the turnover of at least two places, after building cast-in-situ concrete, by elongated reinforcing bar and connecting reinforcement, contiguous prefabricated plate is connected to form integral rigidity plate, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.
Another technical scheme of the present utility model is on above-mentioned basis, and described elongated reinforcing bar and connecting reinforcement are by being welded to connect into cage of reinforcement.So, when elongated reinforcing bar with connecting reinforcement by being welded to connect into cage of reinforcement time, the production efficiency of cage of reinforcement is high, can realize automatic production line and produce, significantly can reduce cost of labor, and secure and reliable connection, be conducive to large-scale promotion application.
Another technical scheme of the present utility model is on above-mentioned basis, and described elongated reinforcing bar and connecting reinforcement connect into cage of reinforcement by colligation.So, when elongated reinforcing bar and connecting reinforcement connect into cage of reinforcement by colligation, in application process, local reinforcement location can be adjusted flexibly, so that arrange other pipelines or lose pre-buried, facilitate construction operation.
Another technical scheme of the present utility model is on above-mentioned basis, and described connecting reinforcement end is provided with linkage.So, connecting reinforcement end is provided with linkage, when described cage of reinforcement is applied to precast plate mosaic, the linkage of connecting reinforcement end can be connected to each other with the reserved reinforcing bar exposed in precast plate, afterwards after concreting, contiguous prefabricated plate is connected to form integral rigidity plate by the cage of reinforcement of junction and cast-in-situ concrete, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.
Another technical scheme of the present utility model is on above-mentioned basis, and described linkage is the screw thread being arranged at connecting reinforcement end.So, when linkage is the screw thread being arranged at connecting reinforcement end, during described cage of reinforcement application, can be inserted in hole reserved on precast plate by arranging threaded end, after concreting, can connecting reinforcement be anchored in precast plate, and then, contiguous prefabricated plate is connected to form integral rigidity plate by the cage of reinforcement of junction and cast-in-situ concrete, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.
Another technical scheme of the present utility model is on above-mentioned basis, and described connecting reinforcement is or/and the end of elongated reinforcing bar is provided with pier nose.So, when connecting reinforcement or/and the end of elongated reinforcing bar is provided with pier nose, during described cage of reinforcement application, the end being provided with pier nose can be inserted in hole reserved on precast plate, or by pier nose by lockset by the bar connecting exposed pre-buried on precast plate, after concreting, can by elongated reinforcing bar or/and connecting reinforcement be anchored in precast plate, and then, contiguous prefabricated plate is connected to form integral rigidity plate by the cage of reinforcement of junction and cast-in-situ concrete, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.
Another technical scheme of the present utility model is on above-mentioned basis, and described connecting reinforcement two ends arrange bending section.So, connecting reinforcement two ends arrange bending section, and when described cage of reinforcement is applied to the split position of precast plate, after building cast-in-situ concrete, bending end can form good anchoring.
Another technical scheme of the present utility model is on above-mentioned basis, and described connecting reinforcement is intersect after bending to form.So, connecting reinforcement is intersect after bending to form, and described cage of reinforcement is applied to precast plate mosaic, after concreting, increase on the one hand its with concrete contact area and with concrete adhesion, reach the effect of bonding strength enhancing; On the other hand, adopt interconnection muscle, effectively can regulate the bending angle of dowel, the minimizing of turning angle effectively can ensure that dowel has enough anchorage lengths, and test shows, the turning angle of staggered form dowel is less, and the overall performance of plate is stronger.
Another technical scheme of the present utility model is on above-mentioned basis, and the bending angle scope of described connecting reinforcement is 20 °-60 °.So, connecting reinforcement is intersect after bending to form, and described cage of reinforcement is applied to precast plate mosaic, after concreting, increase on the one hand its with concrete contact area and with concrete adhesion, reach the effect of bonding strength enhancing; On the other hand, adopt interconnection muscle, effectively can regulate the bending angle of dowel, the minimizing of turning angle effectively can ensure that dowel has enough anchorage lengths, and test shows, the turning angle of staggered form dowel is less, and the overall performance of plate is stronger.
Another technical scheme of the present utility model is on above-mentioned basis, and described connecting reinforcement is or/and elongated reinforcing bar is indented bars is made.So, adopt indented bars to make skeleton, indented bars has good anchoring property, can improve the antidetonation of precast plate mosaic cast-in-place concrete structure, fracture resistance.
Another technical scheme of the present utility model is on above-mentioned basis, and described first precast plate and/or the second precast plate are hollow pre-fabricated panels or prestressing force precast plate.So, adopt hollow pre-fabricated panels can reduce the weight of floor, save material, meanwhile, the sound isolating and heat insulating performance of floor can be increased substantially, and adopt prestressing force precast plate, then can improve non-deformability and the weight bearing power of floor.
Another technical scheme of the present utility model is on above-mentioned basis, the link of described first precast plate and/or the second precast plate is provided with step platform, elongated steel-bar arrangement is had on step platform in cage of reinforcement, connecting reinforcement part stretches in step platform, and cast-in-situ concrete is built and formed the superimposed connecting overall of T-shaped between precast plate.So, by cast-in-place T-shaped structure, precast plate is connected into overall structure, and the reinforcing bar in precast plate is or/and steel strand are longitudinally arranged, and can jointly form overall force structure by the cast-in-situ concrete of choosing outside step platform lower in part.
Another technical scheme of the present utility model is on above-mentioned basis, and the vertical cross-section shape in step platform is vertical plane or inclined-plane, and choosing portion end surface outside described step platform lower is inclined-plane, has reinforcing bar or/and steel strand are longitudinally arranged in precast plate.So, the vertical cross-section shape in step platform is vertical plane or inclined-plane, and choosing portion end surface outside step platform lower is inclined-plane, cast-in-situ concrete can be allowed completely to water closely knit, not easily forms honeycomb hollowing, is conducive to the pouring quality improving cast-in-place T-shaped structure.
Another technical scheme of the present utility model is on above-mentioned basis, chooses on portion end surface and be provided with the groove parallel with plate body outside described step platform lower.So, choose outside step platform lower on portion end surface and be provided with the groove parallel with plate body, after building cast-in-situ concrete, cast-in-situ concrete forms embedded structure in a groove, in earthquake disaster process, even if precast plate destroys fracture, because of the existence of embedded structure, effectively can prevent the precast plate ruptured from falling, improve the seismic seeurity of floor.
Another technical scheme of the present utility model is on above-mentioned basis, and the link of described first precast plate and/or the second precast plate is provided with V-type notch or double V-groove.So, the link of the first precast plate and/or the second precast plate is provided with V-type notch or double V-groove, after building cast-in-situ concrete, cast-in-situ concrete forms embedded structure in V-type notch or double V-groove, in earthquake disaster process, even if precast plate destroys fracture, because of the existence of embedded structure, effectively can prevent the precast plate ruptured from falling, improve the seismic seeurity of floor.
Another technical scheme of the present utility model is on above-mentioned basis, additionally provides a kind of construction method of split precast plate, and for the manufacture of the split precast plate described in above-mentioned any one, it comprises the following steps
(1) precast plate is laid;
(2) in the mosaic of precast plate, cage of reinforcement is laid;
(3) in the mosaic of precast plate, concreting;
(4) namely maintenance obtains split precast plate.
So, pass through above-mentioned steps, one can be obtained be put together by precast plate, there is the prefabricated match board of good two-way stiffness, and, construction technology is simple, its underpart does not need to adopt the high energy consumption such as bamboo wooden form or steel form, high cost mould material, reduce cost, and, the two-way floor of prefabricated split adopting said method to obtain is provided with cage of reinforcement and cast-in-situ concrete connection because of it in precast plate mosaic, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is for representing the drawing of the split precast plate involved by a kind of embodiment of this patent;
Fig. 2-Fig. 8 is for representing the drawing of the split precast plate involved by the another several embodiment of this patent;
Fig. 9 is for representing the structural representation of connector in the split precast plate involved by a kind of embodiment of this patent.
In figure:
1 stencil body 2 flanging 3 bleeding aperture 4 reinforcing bar fixture
21 elongated reinforcing bar 22 connecting reinforcements
110 first precast plate 120 second precast plates
Detailed description of the invention
Be described in detail the utility model below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection domain of the present utility model.In addition, those skilled in the art, according to the description of presents, can carry out respective combination to the feature in embodiment in presents and in different embodiment.
The utility model embodiment is as follows, refer to shown in Fig. 1 to Fig. 9, a kind of split precast plate, the second precast plate 120 comprising the first precast plate 110 and be connected with the first precast plate 110, the junction of described first precast plate 110 and the second precast plate 120 is provided with connector, described connector comprises cage of reinforcement, and described first precast plate 110, second precast plate 120 and connector between the two form one by cast-in-situ concrete.So, precast plate mosaic adopts the connected node of said structure, reinforcement fabrication is become cage of reinforcement, because precast plate mosaic is that small size is cast-in-place, as adopted field fabrication then at substantial cost of labor, and adopt precast framework, then can at room machine batch making, be conducive to ensureing that skeleton conforms to design size, significantly can reduce cost of manufacture simultaneously, after building cast-in-situ concrete, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.Therefore, described split precast plate, its efficiency of construction, and easy construction, cost are low.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figs. 5 and 9, described connector can also comprise exempts from hold mode, described hold mode of exempting from comprises stencil body 1, and at least one side of described stencil body 1 is provided with flanging 2, and described cage of reinforcement is fixed on exempts from hold mode.So, precast plate mosaic adopts the connected node of said structure, wherein have employed integrated connector, after the side of its stencil body 1 is provided with flanging 2, exempt from hold mode application process described, flanging 2 can close with precast plate close contact, the plate face formed after flanging 2 can contact with the surperficial forming surface of precast plate, effectively can prevent its spillage in casting process, if flanging 2 is converted into and stencil body 1 in the angle between 90 ° to 135 °, then can expand bonding tightness further, simultaneously, the plate face formed after its flanging 2 can be shelved on the split face of precast plate, under the effect of working load, hold mode will be exempted from and precast plate compresses mortar leakage prevention.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 9, described stencil body 1 can be steel plate, and described flanging 2 is elastic telescopic face.So, stencil body 1 is steel plate, and when described flanging 2 is elastic telescopic face, flanging 2 has extendable room, described in exempt from hold mode and be applied in precast plate split process, can make up and between precast plate, range error is set, can prevent the split of precast plate from connecting spillage.
On the basis of above-described embodiment, in another embodiment of the utility model, described stencil body 1 is bamboo slab rubber, wood glue plate or plastic plate.So, when stencil body 1 is above-mentioned material, have cost low, wide material sources, when particularly adopting plastic plate, it has good plasticity and decay resistance, is conducive to applying.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 9, the both sides of described stencil body all can be provided with elastic telescopic face, and described elastic telescopic face is that steel plate edge is compressed into fold and forms.So, the both sides of template are provided with elastic telescopic face, described elastic telescopic face is that steel plate edge is compressed into fold when forming, template processing technology is simple, flanging 2 has extendable room, described hold mode of exempting from is applied in precast plate split process, can make up and between precast plate, range error is set, can prevent the split of precast plate from connecting spillage, and after application, template bottom also has corresponding fold accordingly, and what increased substantially its underpart whitewashes coating bonding surface, can prevent rendering layer from coming off.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 9, described stencil body 1 can be provided with bleeding aperture 3.So, stencil body 1 is provided with bleeding aperture 3, described hold mode of exempting from is applied in the split process of precast plate, after Cast-in-place concrete pours into, a small amount of slurry can be secreted from bleeding aperture 3, thus the soffit at split position forms matsurface, what increased substantially its underpart whitewashes coating binding force, can prevent rendering layer from coming off.In addition, described bleeding aperture 3 can arrange multiple, and is evenly distributed on described stencil body 1.Preferably, on described flanging 2, also can be provided with bleeding aperture 3, thus can form matsurface in the soffit entirety at split position, what increased substantially its underpart whitewashes coating binding force, can prevent rendering layer from coming off.In addition, described bleeding aperture 3 can be circular hole, semicircle orifice, square hole, star-shaped aperture or polygonal hole, can form bleeding aperture 3 by punching press direct on stencil body 1.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 9, described stencil body 1 can be provided with reinforcing bar fixture 4.So; stencil body 1 is provided with reinforcing bar fixture 4; described hold mode of exempting from is in the split process being applied to precast plate; the reinforcing bar at split position can by reinforcing bar fixture 4 with exempt from hold mode and be connected; fully can ensure the cast-in-situ concrete protective layer thickness of reinforcing bar; meanwhile, also can by template firmly with bar connecting, prevent its template in the process of cast-in-situ concrete from falling because of the applying of working load.
On the basis of above-described embodiment, in another embodiment of the utility model, described reinforcing bar fixture 4 can adopt one-body molded with stencil body 1.So, when reinforcing bar fixture 4 and stencil body 1 are one-body molded, only need reinforcing bar fixture 4 to be made by punching press, considerably reduce manufacture difficulty and the cost of reinforcing bar fixture 4.
On the basis of above-described embodiment, in another embodiment of the utility model, described reinforcing bar fixture 4 can be working of plastics.So, when adopting working of plastics as reinforcing bar fixture 4, reinforcing bar permanent position is adjustable, and reinforcing bar fixture 4 reduces costs by batch making.
On the basis of above-described embodiment, in another embodiment of the utility model, described working of plastics one end can be the embedding mouth of reinforcing bar, is sold back to a grain-producing area till the other end.So, when working of plastics one end is the embedding mouth of reinforcing bar, be sold back to a grain-producing area till the other end, when described reinforcing bar fixture 4 is applied, reinforcing bar can be snapped in reinforcing bar embedding mouth internal fixtion reinforcing bar, non-return pin inserts non-return in the hole that template is offered and fixes, construction technology is simple, reduces difficulty of construction.
On the basis of above-described embodiment, in another embodiment of the utility model, described reinforcing bar fixture 4 can be reinforcing bar locating slot.So, stencil body 1 is provided with reinforcing bar locating slot, described hold mode of exempting from is in the split process being applied to precast plate, the reinforcing bar at split position can by reinforcing bar locating slot with exempt from hold mode and be connected, reinforcing bar can be prevented to be shifted, convenient fixing to be installed, simultaneously, also can by template firmly with bar connecting, prevent its template in the process of cast-in-situ concrete from falling because of the applying of working load.
On the basis of above-described embodiment, in another embodiment of the utility model, described stencil body 1 can also be provided with fin.So; after stencil body 1 is provided with fin; the rigidity of template itself is greatly improved; the thickness of template can be reduced, meanwhile, can also template deformation be prevented; in addition; if fin horizontally set, can also use as steel bar spacer, can fully ensure concrete cover to reinforcement thickness.
On the basis of above-described embodiment, in another embodiment of the utility model, described fin and stencil body 1 one-body molded, or described fin and the body formed and described fin of stencil body 1 point are fixed on stencil body 1.So, when fin and stencil body 1 one-body molded time, as adopt steel plate make template, then can be compressing by steel plate, manufacture craft is convenient and simple,
On the basis of above-described embodiment, in another embodiment of the utility model, described fin can also be provided with reinforcing bar locating slot.So, after fin is provided with reinforcing bar locating slot, in application process, reinforcing bar is placed in reinforcing bar locating slot, reinforcing bar can be prevented to be shifted, if arrange restraint device at reinforcing bar detent notch, then reinforcing bar firmly can be fixed in reinforcing bar detent, prevent reinforcing bar from moving further, effectively can ensure that the interior mechanics performance of cast-in-place structural is coincide with design.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figures 1 to 9, described cage of reinforcement can comprise longitudinal reinforcement and transverse reinforcement, described longitudinal reinforcement is elongated reinforcing bar 21, transverse reinforcement is connecting reinforcement 22, and described elongated reinforcing bar 21 and connecting reinforcement 22 are arranged in length and breadth and fixedly become cage of reinforcement, and described connecting reinforcement 22 is provided with the turnover of at least two places.So, reinforcement fabrication is become cage of reinforcement, because precast plate mosaic is that small size is cast-in-place, as adopted field fabrication then at substantial cost of labor, and adopt precast framework, then can at room machine batch making, be conducive to ensureing that skeleton conforms to design size, significantly can reduce cost of manufacture simultaneously, and on connecting reinforcement 22, be provided with the turnover of at least two places, after building cast-in-situ concrete, by elongated reinforcing bar 21 and connecting reinforcement 22, contiguous prefabricated plate is connected to form integral rigidity plate, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.Preferably, described connecting reinforcement 22 can be many, and is uniformly distributed, and arranges in length and breadth with elongated reinforcing bar 21 and fixedly becomes cage of reinforcement.
On the basis of above-described embodiment, in another embodiment of the utility model, described elongated reinforcing bar 21 can by being welded to connect into cage of reinforcement with connecting reinforcement 22.So, when elongated reinforcing bar 21 with connecting reinforcement 22 by being welded to connect into cage of reinforcement time, the production efficiency of cage of reinforcement is high, automatic production line can be realized produce, significantly can reduce cost of labor, and secure and reliable connection, be conducive to large-scale promotion application.
On the basis of above-described embodiment, in another embodiment of the utility model, described elongated reinforcing bar 21 and connecting reinforcement 22 also can connect into cage of reinforcement by colligation.So, when elongated reinforcing bar 21 and connecting reinforcement 22 connect into cage of reinforcement by colligation, in application process, local reinforcement location can be adjusted flexibly, so that arrange other pipelines or lose pre-buried, facilitate construction operation.
On the basis of above-described embodiment, in another embodiment of the utility model, described connecting reinforcement 22 end can be provided with linkage.So, connecting reinforcement 22 end is provided with linkage, when described cage of reinforcement is applied to precast plate mosaic, the linkage of connecting reinforcement 22 end can be connected to each other with the reserved reinforcing bar exposed in precast plate, afterwards after concreting, contiguous prefabricated plate is connected to form integral rigidity plate by the cage of reinforcement of junction and cast-in-situ concrete, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.
On the basis of above-described embodiment, in another embodiment of the utility model, described linkage can for being arranged at the screw thread of connecting reinforcement 22 end.So, when linkage is the screw thread being arranged at connecting reinforcement 22 end, during described cage of reinforcement application, can be inserted in hole reserved on precast plate by arranging threaded end, after concreting, can connecting reinforcement 22 be anchored in precast plate, and then, contiguous prefabricated plate is connected to form integral rigidity plate by the cage of reinforcement of junction and cast-in-situ concrete, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.
On the basis of above-described embodiment, in another embodiment of the utility model, described connecting reinforcement 22 is or/and the end of elongated reinforcing bar 21 also can be provided with pier nose.So, when connecting reinforcement 22 or/and the end of elongated reinforcing bar 21 is provided with pier nose, during described cage of reinforcement application, the end being provided with pier nose can be inserted in hole reserved on precast plate, or by pier nose by lockset by the bar connecting exposed pre-buried on precast plate, after concreting, can by elongated reinforcing bar 21 or/and connecting reinforcement 22 be anchored in precast plate, and then, contiguous prefabricated plate is connected to form integral rigidity plate by the cage of reinforcement of junction and cast-in-situ concrete, increase substantially globality and the anti-seismic performance of prefabricated split floor, make it under the effect of earthquake disaster, the situation of middle part fracture can not be caused to occur, improve the security performance of building.
On the basis of above-described embodiment, in another embodiment of the utility model, described connecting reinforcement 22 two ends can also arrange bending section.So, connecting reinforcement 22 two ends arrange bending section, and when described cage of reinforcement is applied to the split position of precast plate, after building cast-in-situ concrete, bending end can form good anchoring.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, described connecting reinforcement 22 can form for intersecting after bending.So, connecting reinforcement 22 forms for intersecting after the place's bending of middle part two, and described cage of reinforcement is applied to precast plate mosaic, after concreting, increase on the one hand itself and concrete contact area and with concrete adhesion, reach the effect of bonding strength enhancing; On the other hand, adopt interconnection muscle, effectively can regulate the bending angle of dowel, the minimizing of turning angle effectively can ensure that dowel has enough anchorage lengths, and test shows, the turning angle of staggered form dowel is less, and the overall performance of plate is stronger.
On the basis of above-described embodiment, in another embodiment of the utility model, the bending angle scope of described connecting reinforcement 22 can be 20 °-60 °.So, connecting reinforcement 22 forms for intersecting after bending, and described cage of reinforcement is applied to precast plate mosaic, after concreting, increase on the one hand itself and concrete contact area and with concrete adhesion, reach the effect of bonding strength enhancing; On the other hand, adopt interconnection muscle, effectively can regulate the bending angle of dowel, the minimizing of turning angle effectively can ensure that dowel has enough anchorage lengths, and test shows, the turning angle of staggered form dowel is less, and the overall performance of plate is stronger.
On the basis of above-described embodiment, in another embodiment of the utility model, described connecting reinforcement 22 is or/and elongated reinforcing bar 21 can be made for indented bars.So, adopt indented bars to make skeleton, indented bars has good anchoring property, can improve the antidetonation of precast plate mosaic cast-in-place concrete structure, fracture resistance.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 8, described first precast plate 110 and/or the second precast plate 120 can be hollow pre-fabricated panels or prestressing force precast plate.So, adopt hollow pre-fabricated panels can reduce the weight of floor, save material, meanwhile, the sound isolating and heat insulating performance of floor can be increased substantially, and adopt prestressing force precast plate, then can improve non-deformability and the weight bearing power of floor.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, the link of described first precast plate 110 and/or the second precast plate 120 can be provided with step platform, elongated reinforcing bar 21 is had to be arranged on step platform in cage of reinforcement, connecting reinforcement 22 part stretches in step platform, and cast-in-situ concrete is built and formed the superimposed connecting overall of T-shaped between precast plate.So, by cast-in-place T-shaped structure, precast plate is connected into overall structure, and the reinforcing bar in precast plate is or/and steel strand are longitudinally arranged, and can jointly form overall force structure by the cast-in-situ concrete of choosing outside step platform lower in part.In addition, preferably, the surface of the step platform of the first precast plate 110 and/or the second precast plate 120 is matsurface, and particularly the upper surface of step platform can also arrange anchor slot, strengthen the anchoring strength of new-old concrete on direction, plate face, strengthen the globality of floor further.
On the basis of above-described embodiment, in another embodiment of the utility model, vertical cross-section shape in described step platform can be vertical plane or inclined-plane, and choosing portion end surface outside described step platform lower is inclined-plane, has reinforcing bar or/and steel strand are longitudinally arranged in precast plate.So, vertical cross-section shape in described step platform can be vertical plane or inclined-plane, and choosing portion end surface outside step platform lower is inclined-plane, cast-in-situ concrete can be allowed completely to water closely knit, not easily form honeycomb hollowing, be conducive to the pouring quality improving cast-in-place T-shaped structure.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 4 and Figure 8, choose outside described step platform lower on portion end surface and can be provided with the groove parallel with plate body.So, choose outside step platform lower on portion end surface and be provided with the groove parallel with plate body, after building cast-in-situ concrete, cast-in-situ concrete forms embedded structure in a groove, in earthquake disaster process, even if precast plate destroys fracture, because of the existence of embedded structure, effectively can prevent the precast plate ruptured from falling, improve the seismic seeurity of floor.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in Figure 1 and Figure 5, the link of described first precast plate 110 and/or the second precast plate 120 can be provided with V-type notch or double V-groove.So, the link of the first precast plate 110 and/or the second precast plate 120 is provided with V-type notch or double V-groove, after building cast-in-situ concrete, cast-in-situ concrete forms embedded structure in V-type notch or double V-groove, in earthquake disaster process, even if precast plate destroys fracture, because of the existence of embedded structure, effectively can prevent the precast plate ruptured from falling, improve the seismic seeurity of floor.
On the basis of above-described embodiment, in another embodiment of the utility model, the link of the first precast plate 110 and/or the second precast plate 120 can set up sunk key, the direct bonding surface of new-old concrete can be increased like this, increase laterally and the vertical shearing propagated.In addition, the transverse structure reinforcing bar in superimposed for single load bearing in prior art precast plate can be changed into steel bar stress and stretch out prefabricated edges of boards, precast plate side piece and last layer concrete can be utilized like this to realize pass force crossly, thus increase full precast floor slab lateral stiffness.Intersect after connecting reinforcement 22 adopts bending described in split precast plate place and form, increase on the one hand its with concrete contact area and with concrete adhesion, reach the effect of bonding strength enhancing; On the other hand, adopt interconnection muscle, effectively can regulate the bending angle of dowel, the minimizing of turning angle effectively can ensure that dowel has enough anchorage lengths.After connecting reinforcement is stressed, produce oblique compression power to periphery concrete, its horizontal component makes concrete axial tension, cuts, and radial component makes concrete produce the tapered stress of hoop, makes stress laterally have effect spread.The minimizing of turning angle, the horizontal component of reinforcing bar increases, and under the requirement meeting vertical shear, enables from the transition reposefully of stress in biside plate.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a split precast plate, the second precast plate comprising the first precast plate and be connected with the first precast plate, it is characterized in that, the junction of described first precast plate and the second precast plate is provided with connector, described connector comprises cage of reinforcement, and described first precast plate, the second precast plate and connector between the two form one by cast-in-situ concrete.
2. split precast plate according to claim 1, is characterized in that, described connector also comprises exempts from hold mode, described in exempt from hold mode and comprise stencil body, at least one side of described stencil body is provided with flanging, and described cage of reinforcement is fixed on exempts from hold mode.
3. split precast plate according to claim 2, is characterized in that, described stencil body is steel plate, and described flanging is elastic telescopic face, or described stencil body is bamboo slab rubber, wood glue plate or plastic plate.
4. split precast plate according to claim 2, is characterized in that, the both sides of described stencil body are provided with elastic telescopic face, and described elastic telescopic face is that steel plate edge is compressed into fold and forms.
5. split precast plate according to claim 4, is characterized in that, described stencil body is provided with bleeding aperture.
6. the split precast plate according to any one of claim 2 to 5, is characterized in that, described stencil body is provided with reinforcing bar fixture.
7. split precast plate according to claim 6, is characterized in that, described reinforcing bar fixture and stencil body one-body molded.
8. split precast plate according to claim 6, is characterized in that, described reinforcing bar fixture is working of plastics; Or described working of plastics one end is the embedding mouth of reinforcing bar, is sold back to a grain-producing area till the other end; Or described reinforcing bar fixture is reinforcing bar locating slot.
9. the split precast plate according to any one of claim 2 to 5, is characterized in that, described stencil body is provided with fin; Or described fin and stencil body one-body molded, or described fin and stencil body divide body formed and described fin to be fixed on stencil body; Or institute's fin is provided with reinforcing bar locating slot.
10. split precast plate according to any one of claim 1 to 5, it is characterized in that, described cage of reinforcement comprises longitudinal reinforcement and transverse reinforcement, described longitudinal reinforcement is elongated reinforcing bar, transverse reinforcement is connecting reinforcement, described elongated reinforcing bar and connecting reinforcement are arranged in length and breadth and fixedly become cage of reinforcement, and described connecting reinforcement is provided with the turnover of at least two places; Or described elongated reinforcing bar with connecting reinforcement by being welded to connect into cage of reinforcement; Or described elongated reinforcing bar and connecting reinforcement connect into cage of reinforcement by colligation; Or described connecting reinforcement end is provided with linkage; Or described linkage is the screw thread being arranged at connecting reinforcement end; Or described connecting reinforcement is or/and the end of elongated reinforcing bar is provided with pier nose; Or described connecting reinforcement two ends arrange bending section; Or described connecting reinforcement is intersect after bending to form; Or the bending angle scope of described connecting reinforcement is 20 °-60 °; Or described connecting reinforcement is or/and elongated reinforcing bar is indented bars is made; Or described first precast plate and/or the second precast plate are hollow pre-fabricated panels or prestressing force precast plate; Or the link of described first precast plate and/or the second precast plate is provided with step platform, elongated steel-bar arrangement is had on step platform in cage of reinforcement, connecting reinforcement part stretches in step platform, and cast-in-situ concrete is built and formed the superimposed connecting overall of T-shaped between precast plate; Or the vertical cross-section shape in step platform is vertical plane or inclined-plane, choosing portion end surface outside described step platform lower is inclined-plane, has reinforcing bar or/and steel strand are longitudinally arranged in precast plate; Or choose on portion end surface outside described step platform lower and be provided with the groove parallel with plate body; Or the link of described first precast plate and/or the second precast plate is provided with V-type notch or double V-groove.
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| CN201520721532.4U CN204983306U (en) | 2015-09-17 | 2015-09-17 | Amalgamation prefabricated plate |
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| CN201520721532.4U CN204983306U (en) | 2015-09-17 | 2015-09-17 | Amalgamation prefabricated plate |
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| CN204983306U true CN204983306U (en) | 2016-01-20 |
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| CN105155690A (en) * | 2015-09-17 | 2015-12-16 | 中民筑友有限公司 | Connection node of precast slabs and construction method for spliced precast slabs |
| CN105155689A (en) * | 2015-09-17 | 2015-12-16 | 中民筑友有限公司 | Connection node of precast slabs and construction method for laminated precast slabs |
| CN105839818A (en) * | 2016-05-18 | 2016-08-10 | 戴旭谦 | Integral concrete prefabricated wallboard free of lateral die assembly as well as assembling structure and assembling method thereof |
| CN108385883A (en) * | 2018-04-11 | 2018-08-10 | 佛山科学技术学院 | A kind of pre-stress floor combined type balanced structure |
| CN108867890A (en) * | 2018-07-27 | 2018-11-23 | 华南理工大学 | The integral prefabricated node of beam column of the junction with rigid template bracket and its construction method |
| CN111535455A (en) * | 2020-04-14 | 2020-08-14 | 中铁第四勘察设计院集团有限公司 | Assembly type plate connecting structure and construction method thereof |
| CN113175140A (en) * | 2021-05-12 | 2021-07-27 | 国家电网有限公司 | Precast concrete floor slab and mechanical slab joint connection node |
| CN113914523A (en) * | 2021-11-29 | 2022-01-11 | 中交一公局集团有限公司 | Prefabricated panel structure, panel-shaped assembly, house and panel-shaped assembly manufacturing method |
| CN114232996A (en) * | 2021-12-01 | 2022-03-25 | 上海龙泰节能工程有限公司 | Technology for assembling mortise and tenon joints of building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105155690A (en) * | 2015-09-17 | 2015-12-16 | 中民筑友有限公司 | Connection node of precast slabs and construction method for spliced precast slabs |
| CN105155689A (en) * | 2015-09-17 | 2015-12-16 | 中民筑友有限公司 | Connection node of precast slabs and construction method for laminated precast slabs |
| CN105839818A (en) * | 2016-05-18 | 2016-08-10 | 戴旭谦 | Integral concrete prefabricated wallboard free of lateral die assembly as well as assembling structure and assembling method thereof |
| CN108385883A (en) * | 2018-04-11 | 2018-08-10 | 佛山科学技术学院 | A kind of pre-stress floor combined type balanced structure |
| CN108385883B (en) * | 2018-04-11 | 2020-01-21 | 佛山科学技术学院 | Combined balance structure of prestressed floor slab |
| CN108867890A (en) * | 2018-07-27 | 2018-11-23 | 华南理工大学 | The integral prefabricated node of beam column of the junction with rigid template bracket and its construction method |
| CN111535455A (en) * | 2020-04-14 | 2020-08-14 | 中铁第四勘察设计院集团有限公司 | Assembly type plate connecting structure and construction method thereof |
| CN113175140A (en) * | 2021-05-12 | 2021-07-27 | 国家电网有限公司 | Precast concrete floor slab and mechanical slab joint connection node |
| CN113175140B (en) * | 2021-05-12 | 2022-08-09 | 国网河南省电力公司经济技术研究院 | Precast concrete floor slab and mechanical slab joint connection node |
| CN113914523A (en) * | 2021-11-29 | 2022-01-11 | 中交一公局集团有限公司 | Prefabricated panel structure, panel-shaped assembly, house and panel-shaped assembly manufacturing method |
| CN114232996A (en) * | 2021-12-01 | 2022-03-25 | 上海龙泰节能工程有限公司 | Technology for assembling mortise and tenon joints of building |
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Assignee: China Civil Architecture Friends Technology (Jiaozhou) Co., Ltd. Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: 2018430000023 Denomination of utility model: Amalgamation prefabricated plate Granted publication date: 20160120 License type: Common License Record date: 20190102 |
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