CN105064576A - Prefabricated reinforced concrete composite floor slab component and assembly type floor composed of same - Google Patents
Prefabricated reinforced concrete composite floor slab component and assembly type floor composed of same Download PDFInfo
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- CN105064576A CN105064576A CN201510531166.0A CN201510531166A CN105064576A CN 105064576 A CN105064576 A CN 105064576A CN 201510531166 A CN201510531166 A CN 201510531166A CN 105064576 A CN105064576 A CN 105064576A
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Abstract
The invention provides a prefabricated reinforced concrete composite floor slab component. The middle of a rear plate is provided with a protruding front plate. A gap is reserved between the outer periphery of the front plate and the outer periphery of the rear plate. Concrete is poured into the front plate and the rear plate. The front plate and the rear plate are each internally provided with a plurality of longitudinal steel ribs in the width direction of the front plate and the width direction of the rear plate, and the longitudinal steel ribs extend in the length direction of the component. The front plate and the rear plate are each internally provided with a plurality of transverse steel ribs in the length direction of the front plate and the length direction of the rear plate, and the transverse steel ribs extend in the width direction of the component. The longitudinal steel ribs and the transverse steel ribs in the front plate and in the rear plate penetrate through the concrete to form reinforced meshes. The reinforced mesh of the front plate and the reinforced mesh of the rear plate are connected through lap joint of the steel ribs. The two ends of the longitudinal steel ribs and the two ends of the transverse steel ribs in the front plate stretch out of the front plate. The thickness of the middle of the component is increased, the two layers of reinforced meshes mutually connected are prearranged in the component, and accordingly the overall structural strength of the component is good, the component is not prone to being broken in transport and construction, the damage rate is low, safety of an assembly type building is guaranteed easily, and economic loss is reduced. Meanwhile, the component does not need to be assembled on site, and on-site workloads are greatly reduced.
Description
Technical field
The present invention relates to the comparatively thin type component building house parts, particularly relate to a kind of prefabricated reinforced concrete laminated floor slab component of concrete for making and form assembling floor.
Background technology
House to industrialization, the development of integrated, assemblingization be current Chinese Housing innovation and development, constructional transfer in the urgent need to inevitable development direction, also be the development need that housing industry realizes environment protecting and power-saving, the assembling of housing construction is the basis realizing housing construction industrialized development.The assemblingization realizing housing construction entirety is built, just floor assembly problem in the urgent need to address.Traditional building floor many employings cast-in-place concrete structure, executes the mould material that man-hour requirement is a large amount of, but also will carry out reinforcing steel bar laying and concreting at the scene, and waste time and energy, building costs is high.Prior art also has a kind of laminated floor slab, floor fabricated construction is realized by splicing, but, this laminated floor slab thinner thickness, need to have spliced upper back monobloc cast one layer concrete more at the construction field (site), and lay one deck reinforcing bar at the scene, workload is large, and construction is complicated, and due to thinner thickness, this laminated floor slab easily ruptures in transport and work progress, spoilage is high, and economic loss is comparatively large, simultaneously, rigidity for superimposed sheet the floor compared with large span is also inadequate, is unfavorable for the safety ensureing that assemblingization is built.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of prefabricated reinforced concrete laminated floor slab component, this component interior thickness increases, and component inside presets interconnective double layer bar, such structure makes member integrated structural strength good, not easy fracture in transport and construction, greatly reduce spoilage, decrease economic loss, be conducive to the safety ensureing assemblingization building, simultaneously, this component does not need on-the-spot processing, greatly reduces Contraction in Site amount, ensure that construction is simple, convenient, fast.
Prefabricated reinforced concrete laminated floor slab component of the present invention, described component comprises rear plate and to be positioned in the middle part of rear plate and the header board of projection, described header board, interval is left between the neighboring of rear plate, described header board, all concrete has been built in rear plate, described header board, some are furnished with along header board along respective width in rear plate, the longitudinal reinforcement that rear plate length direction extends, described header board, some are furnished with along header board along respective length direction in rear plate, the transverse reinforcement that rear plate width extends, described header board, longitudinal reinforcement in rear plate, transverse reinforcement all intersects to form steel mesh reinforcement through described concrete, described header board, by overlap joint bar connecting between the steel mesh reinforcement of rear plate, longitudinal reinforcement in described header board, the two ends of transverse reinforcement are all stretched out outside described header board.
Prefabricated reinforced concrete laminated floor slab component of the present invention, in wherein said rear plate, one end of transverse reinforcement is stretched out outside described rear plate.
Prefabricated reinforced concrete laminated floor slab component of the present invention, in wherein said rear plate, the other end of transverse reinforcement also stretches out outside described rear plate.
Prefabricated reinforced concrete laminated floor slab component of the present invention, several cavitys are evenly equipped with in wherein said component, described cavity periphery is all wrapped up by described concrete, and the described steel mesh reinforcement in described header board, rear plate lays respectively at the both sides of described cavity along component thickness direction.
Prefabricated reinforced concrete laminated floor slab component of the present invention, is filled with light material in wherein said cavity.
Prefabricated reinforced concrete laminated floor slab component of the present invention, wherein said light material is the sheet material that polystyrene foam plate, foamed concrete plate or granular polystyrene plate are formed.
Prefabricated reinforced concrete laminated floor slab component of the present invention, wherein said cavity is rectangle.
Prefabricated reinforced concrete laminated floor slab component of the present invention, wherein said header board, rear plate are cuboid, and the thickness of described header board is 100 ~ 200mm.
Present invention also offers a kind of assembling floor utilizing prefabricated reinforced concrete laminated floor slab component to form, wherein said floor by component described in polylith along its width between two slitless connection form, the transverse reinforcement that the header board of adjacent two components stretches out overlaps mutually, the joint of adjacent two components forms a groove extended along component length direction, arranges reinforced mesh or reinforcing cage after-pouring has concrete in described groove.
Present invention also offers the assembling floor that another kind utilizes prefabricated reinforced concrete laminated floor slab component to form, wherein said floor comprises component described in polylith, component described in polylith is along the docking between two of its width, the transverse reinforcement that the header board of adjacent two components stretches out overlaps mutually, the joint of adjacent two components forms a depressed part extended along component length direction, the gap extended along component length direction is there is bottom described depressed part, the alter-pouring strips mould plate covering described gap is equipped with bottom described depressed part, reinforced mesh is set in described depressed part or reinforcing cage after-pouring has concrete.
The difference of prefabricated reinforced concrete laminated floor slab component of the present invention and laminated floor slab of the prior art is, thicken protruding in the middle part of component of the present invention, edge thins, after forming middle part, the special construction of thin edge, this just greatly strengthen the stress-bearing capability of component, simultaneously, component inside has built concrete, the part thickeied and thinner partial interior are provided with through concrete steel mesh reinforcement, the two-layer steel mesh reinforcement in front and back is interconnected, the reinforced concrete support structure of component inside is formed together with concrete, substantially increase the intensity of component, and, floor is formed for ease of mutually docking between component, reinforcing bar two ends in protruding header board are all stretched out outside header board.Based on this, component of the present invention and the Assembled Building slab integral structural strength be spliced by this component high, Resisting fractre ability is strong, not fragile in construction transport, greatly reduces the economic loss therefore caused.And component of the present invention is prefabricated in the factory and forms, inner reinforcing bar is also be embedded in component, need at construction site again in member exterior concreting, laying reinforcing bar reinforcement intensity, thus use component of the present invention, speed of application is fast, in-site installation is convenient, and workload is few.In addition, component inside of the present invention arranges cavity, is conducive to the heat preservation and soundproof of component in this cavity, also effectively alleviates the deadweight of component simultaneously, for construction provides further facility, can meet the design requirement of assembled architecture better.
Below in conjunction with accompanying drawing, prefabricated reinforced concrete laminated floor slab component of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the perspective view of prefabricated reinforced concrete laminated floor slab member embodiment one of the present invention;
Fig. 2 is the front view that Fig. 1 dispenses in header board after reinforcing bar;
Fig. 3 is embodiment one inner reinforcing bar distribution situation front view;
Fig. 4 be embodiment one look up partial sectional view;
Fig. 5 is the left view of embodiment one;
Fig. 6 be embodiment one set up cavity look up partial sectional view;
Fig. 7 be in embodiment one cavity filling with light material look up partial sectional view;
Fig. 8 is the front view of embodiment two;
Fig. 9 is the front view of embodiment three;
Figure 10 is embodiment two and embodiment one slitless connection using state figure;
Figure 11 be Figure 10 look up partial sectional view;
Figure 12 is the partial enlarged drawing at A place in Figure 11;
Figure 13 is that embodiment two docks using state figure with embodiment three gap;
Figure 14 be Figure 13 look up partial sectional view;
Figure 15 is the partial enlarged drawing at B place in Figure 14;
Figure 16 is that embodiment three internal cavity distribution master looks phantom drawing;
Figure 17 is the C-C sectional drawing of Figure 16.
Detailed description of the invention
Embodiment one:
As shown in Figures 1 to 5, prefabricated reinforced concrete laminated floor slab component of the present invention, component 1 comprises rear plate 12 and to be positioned in the middle part of rear plate 12 and the header board 11 of projection, and leave interval between the neighboring of header board 11, rear plate 12, namely the edge of component 1 thins.Compare the uniform thin-plate element of existing thickness, component of the present invention 1, by increasing the thickness of middle part header board 11, adds the thickness of component 1, thus greatly strengthen the intensity of component 1, efficiently avoid its stressed larger time damage.All concrete has been built in header board 11, rear plate 12, be furnished with the some longitudinal reinforcements 13 extended along header board 11, rear plate 12 length direction from left to right along respective width in header board 11, rear plate 12, in header board 11, rear plate 12, be furnished with the some transverse reinforcements 14 extended along header board 11, rear plate 12 width from top to bottom along respective length direction.Longitudinal reinforcement 13 in header board 11, rear plate 12, transverse reinforcement 14 all intersect to form steel mesh reinforcement through concrete, like this, one deck steel mesh reinforcement is respectively had in header board 11, rear plate 12, two-layer steel mesh reinforcement has just been had in component 1, by overlap joint bar connecting between forward and backward two-layer steel mesh reinforcement, greatly strengthen the intensity of component 1, rigidity after two-layer steel mesh reinforcement couples together, and optimize its cracking resistance.For ease of with other component 1 or wall connecting, in header board 11, the two ends of longitudinal reinforcement 13, transverse reinforcement 14 are all stretched out outside header board 11.
As shown in Fig. 6, Fig. 7, Figure 16, Figure 17, conduct oneself with dignity for alleviating component 1, convenient construction, improve the heat preservation and soundproof performance of component 1 simultaneously, several cavitys 15 are evenly equipped with in component 1, the periphery of each cavity 15 is all wrapped up by described concrete, and namely cavity 15 is positioned at the concrete that component 1 inside is built.The exposed face of the side, upper and lower, left and right four of component 1 is concrete, outside cavity 15 is not revealed in, ensure that the intensity of component 1 upper and lower, left and right edge.Cavity 15 is along the front and rear sides of component 1 thickness direction; namely the steel mesh reinforcement of the above-mentioned longitudinal reinforcement 13 of one deck, transverse reinforcement 14 formation is laid with in header board 11, rear plate 12 respectively; such laying mode is convenient to steel mesh reinforcement and is formed an overfill protection to cavity; can first act on steel mesh reinforcement during External Force Acting, avoid external force and act directly on cavity 15 and cause cavity 15 damaged.Preferably, for subside when avoiding the cavity 15 stressed further damage or fracture that cause component 1, increase the bearing capacity of cavity 15 self, can in cavity 15 filling with light material, the sheet material that light material can select polystyrene foam plate, foamed concrete plate or granular polystyrene plate to form.
The present embodiment is only described for rectangle for cavity 15, rectangle constructability and be conducive to ensureing cavity 15 when being evenly distributed in component 1 bearing capacity is even everywhere, is thus conducive to the intensity ensureing component 1.But cavity 15 shape is not limited to this, can changes flexibly according to construction demand, not enumerate herein.
As shown in Figure 2, above-mentioned header board 11, rear plate 12 are cuboid, and the thickness of header board 11 is 100 ~ 200mm, adopts this thickness, can ensure that component 1 has enough intensity, turn avoid the blocked up increase causing component 1 to be conducted oneself with dignity of thickness.
Embodiment two:
As shown in Figure 8, the difference of the present embodiment and embodiment one is, in rear plate 12, one end of transverse reinforcement 14 ＇ is stretched out outside rear plate 12, like this, when needing the unidirectional connection of component 1 in building construction process or being connected with other building components are unidirectional, in header board 11 bar connecting basis on, bar connecting after increase one deck on plate 12, this just greatly strengthen the intensity of junction, meets the force request of building component after connecting further, avoids the parts forced breakage after connecting.
Embodiment three:
As shown in Figure 9, the difference of the present embodiment and embodiment one is, with embodiment two in like manner, for meeting force request when component 1 is bi-directionally connected, in rear plate 12, the other end of transverse reinforcement 14 ＇ ＇ also stretches out outside rear plate 12, and namely rear plate 12 is all stretched out at the two ends, left and right of transverse reinforcement 14 ＇ ＇.
Be described below in conjunction with the using method of accompanying drawing to component of the present invention.
As shown in Figure 10 to Figure 12, be above-described embodiment two and the using state figure of embodiment one slitless connection, the component 1 of polylith embodiment one, two along its width between two slitless connection form assembling floor.Particularly, when two components 1 dock, the transverse reinforcement 14 that the header board 11 of the component 1 of transverse reinforcement 14 ＇ that the header board 11 of the component 1 of embodiment two stretches out and the embodiment one be adjacent stretches out overlaps mutually, the joint of adjacent two components 1 forms a groove 16 extended along component 1 length direction, arranges reinforced mesh 17 or reinforcing cage after-pouring has concrete in groove 16.Because component 1 size in two embodiments is impartial, therefore groove 16 degree of depth on the spliced floor of polylith component 1 is identical, this just provides a great convenience for construction is levelling, and, reinforced mesh 17 or reinforcing cage are set in two component 1 junctions after transverse reinforcement overlaps mutually again and concreting, such structure greatly strengthen the bearing capacity at groove 16 place, the intensity of junction after ensure that two components 1 docking.
As shown in FIG. 13 to 15, for the using state figure that above-described embodiment three docks with embodiment two gap, the difference of this using state and above-mentioned using state is, polylith component 1 docks between two along its width, adjacent members 1 left and right sides is spaced, and polylith component 1 such as this gap docking forms another kind of assembling floor.Particularly, the transverse reinforcement 14 ＇ ＇ that the header board 11 of the component 1 of embodiment three stretches out and transverse reinforcement 14 ＇ that the header board 11 of the component 1 of the embodiment two be adjacent stretches out are with mutual overlap joint the same in above-mentioned slitless connection, the transverse reinforcement 14 ＇ ＇ that the rear plate 12 of the component 1 of embodiment three stretches out and transverse reinforcement 14 ＇ that the rear plate 12 of the component 1 of the embodiment two be adjacent stretches out are also with mutual overlap joint the same in above-mentioned slitless connection, the joint of adjacent two components 1 forms a depressed part 18 extended along component 1 length direction, the gap 19 extended along component 1 length direction is there is bottom depressed part 18, the alter-pouring strips mould plate 20 of coverage gap 19 is equipped with bottom depressed part 18, reinforced mesh 17 is set in depressed part 18 or reinforcing cage after-pouring has concrete.Floor span needed for construction building is larger, when force request is higher, the mode adopting above-mentioned gap to dock can the usage quantity of saving member 1, reduce construction cost, for ensureing the intensity of the floor docking rear formation simultaneously, prevent floor pressurized from rupturing, gap 19 place arranges alter-pouring strips mould plate 20, also the depressed part 18 of bottom lock is formed between two components 1 that gap is docked, namely the effect of this depressed part 18 is equal to above-mentioned groove 16, like this, reinforced mesh 17 or reinforcing cage just can be set as slitless connection in depressed part 18 and concreting.
According to the difference of embodiment two, three and embodiment one, employing embodiment two, embodiment three do separately above-mentioned docking, or embodiment one and embodiment two, three are mixed when being butted into assembling floor, transverse reinforcement in header board 11 overlaps, transverse reinforcement in rear plate 12 then does suitable change according to its situation of specifically stretching out with reference to above-mentioned using method, the transverse reinforcement stretched out in rear plate 12 can overlap mutually, also can insert in adjacent members 1, concrete performance is determined according to the arranged situation of component 1, does not enumerate herein.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (10)
1. a prefabricated reinforced concrete laminated floor slab component, it is characterized in that: described component (1) comprises rear plate (12) and is positioned at rear plate (12) middle part and the header board of projection (11), described header board (11), interval is left, described header board (11) between the neighboring of rear plate (12), rear plate has all built concrete in (12), described header board (11), some are furnished with along header board (11) along respective width in rear plate (12), the longitudinal reinforcement (13) that rear plate (12) length direction extends, described header board (11), some are furnished with along header board (11) along respective length direction in rear plate (12), the transverse reinforcement (14 that rear plate (12) width extends, 14 ＇, 14 ＇ ＇), described header board (11), longitudinal reinforcement (13) in rear plate (12), transverse reinforcement (14) all intersects to form steel mesh reinforcement through described concrete, described header board (11), by overlap joint bar connecting between the steel mesh reinforcement of rear plate (12), longitudinal reinforcement (13) in described header board (11), described header board (11) is all stretched out outward in the two ends of transverse reinforcement (14).
2. prefabricated reinforced concrete laminated floor slab component according to claim 1, is characterized in that: in described rear plate (12), described rear plate (12) is stretched out outward in one end of transverse reinforcement (14 ＇).
3. prefabricated reinforced concrete laminated floor slab component according to claim 2, is characterized in that: in described rear plate (12), the other end of transverse reinforcement (14 ＇ ＇) also stretches out described rear plate (12) outward.
4. the prefabricated reinforced concrete laminated floor slab component according to claims 1 to 3, it is characterized in that: in described component (1), be evenly equipped with several cavitys (15), described cavity (15) periphery is all wrapped up by described concrete, and the described steel mesh reinforcement in described header board (11), rear plate (12) lays respectively at the both sides of described cavity (15) along component (1) thickness direction.
5. prefabricated reinforced concrete laminated floor slab component according to claim 4, is characterized in that: described cavity is filled with light material in (15).
6. prefabricated reinforced concrete laminated floor slab component according to claim 5, is characterized in that: described light material is the sheet material that polystyrene foam plate, foamed concrete plate or granular polystyrene plate are formed.
7. prefabricated reinforced concrete laminated floor slab component according to claim 6, is characterized in that: described cavity (15) is rectangle.
8. prefabricated reinforced concrete laminated floor slab component according to claim 7, is characterized in that: described header board (11), rear plate (12) are cuboid, and the thickness of described header board (11) is 100 ~ 200mm.
9. utilize the assembling floor that the prefabricated reinforced concrete laminated floor slab component according to any one of claim 1 to 8 is formed, it is characterized in that: described floor by component described in polylith (1) along its width between two slitless connection form, the transverse reinforcement (14) that the header board (11) of adjacent two components (1) stretches out overlaps mutually, the joint of adjacent two components (1) forms a groove (16) extended along component (1) length direction, reinforced mesh (17) is set in described groove (16) or reinforcing cage after-pouring has concrete.
10. the assembling floor of prefabricated reinforced concrete laminated floor slab component formation according to any one of claim 1 to 8, it is characterized in that: described floor comprises component described in polylith (1), component described in polylith (1) is along the docking between two of its width, the transverse reinforcement (14) that the header board (11) of adjacent two components (1) stretches out overlaps mutually, the joint of adjacent two components (1) forms a depressed part (18) extended along component (1) length direction, there is the gap (19) extended along component (1) length direction in described depressed part (18) bottom, described depressed part (18) bottom is equipped with the alter-pouring strips mould plate (20) covering described gap (19), reinforced mesh (17) is set in described depressed part (18) or reinforcing cage after-pouring has concrete.
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| CN201510531166.0A CN105064576A (en) | 2015-08-26 | 2015-08-26 | Prefabricated reinforced concrete composite floor slab component and assembly type floor composed of same |
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| CN106368361A (en) * | 2016-10-21 | 2017-02-01 | 王海崴 | Assembly type hidden beam floor system |
| CN106522436A (en) * | 2016-12-22 | 2017-03-22 | 中冶京诚工程技术有限公司 | Prefabricated light floor slab |
| CN106522552A (en) * | 2016-12-16 | 2017-03-22 | 刘祥锦 | Assembled board-column structure floor slab, dividing method thereof, and floor slab unit components |
| CN107035046A (en) * | 2017-05-04 | 2017-08-11 | 胡德 | A kind of floor quick structure for assembling and its assemble method |
| CN108086482A (en) * | 2016-11-23 | 2018-05-29 | 北京清华同衡规划设计研究院有限公司 | Precast wall body with active connection and with its building system |
| JP2018150754A (en) * | 2017-03-14 | 2018-09-27 | 株式会社竹中工務店 | Joining structure of precast concrete plate and joining method of precast concrete plate |
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Application publication date: 20151118 |