CN203160489U - Cold-formed thin-wall lattice-type steel-concrete composite heat-insulation floor slab - Google Patents

Cold-formed thin-wall lattice-type steel-concrete composite heat-insulation floor slab Download PDF

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Publication number
CN203160489U
CN203160489U CN 201320075625 CN201320075625U CN203160489U CN 203160489 U CN203160489 U CN 203160489U CN 201320075625 CN201320075625 CN 201320075625 CN 201320075625 U CN201320075625 U CN 201320075625U CN 203160489 U CN203160489 U CN 203160489U
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concrete
wall lattice
steel
layer
thin wall
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CN 201320075625
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徐�明
尹万云
董尔翔
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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Abstract

The utility model discloses a cold-formed thin-wall lattice-type steel-concrete composite heat-insulation floor slab comprising a foamed cement layer, concrete layers and a steel frame. The cold-formed thin-wall lattice-type steel-concrete composite heat-insulation floor slab is characterized in that the top and bottom of the foamed cement layer are connected with the concrete layers; the lower concrete layer is a precast concrete layer, and the upper concrete layer is a cast-in-place concrete layer simultaneously integrally cast with a concrete face layer of a precast frame beam. The steel frame comprises cold-formed thin-wall lattice-type steels, steel bars and fasteners. The cross section of the cold-formed thin-wall lattice-type steel is in a Z shape, a U shape or a C shape. The cold-formed thin-wall lattice-type steel-concrete composite heat-insulation floor slab has the advantages of light weight, good heat-insulation performance, high strength, and good loading capacity, integration, stability and shock resistance; formwork and scaffolding supports are saved; and the cold-formed thin-wall lattice-type steel-concrete composite heat-insulation floor slab is labor saving, time saving, material saving, efficient and rapid.

Description

Cold bending thin wall lattice configuration steel-concrete folding insulation floor
Technical field
The utility model belongs to technical field of building construction, relates in particular to cold bending thin wall lattice configuration steel-concrete folding insulation floor, a kind ofly builds the all-in-one-piece floor simultaneously from heavy and light, good heat insulation, overlapping layers concrete and precast frame beam concrete pavement.
Background technology
Floor in the current architecture configuration adopts cast-in-place integral concrete floor, prefabricated assembled concrete floor, steel reinforced concrete composite floor, four kinds of floors of reinforced concrete slab mostly.In addition, cold bending thin wall lattice configuration steel and concrete composite floor plate also have been subjected to bigger concern and research.
Though cast-in-place integral concrete floor globality and shock resistance are good, sound insulation, heat insulation also waterproof must be built a large amount of templates and scaffold support in the construction stage, and reinforcing bar processing and layout overlap joint task are heavy.In the whole construction course, from building template, scaffold to arranging reinforcing bar, arrive concreting again, cost of labor is too high, and the duration is longer.
The prefabricated assembled concrete floor has easy construction, and component performance is stable, and is little to surrounding environment influence, plurality of advantages such as economical with materials.Compared with cast-in-place integral concrete floor, the precast concrete floor can be saved template, accelerates speed of application, and reduction of erection time, but floor span is little, load-carrying is light, and especially globality, shock resistance are relatively poor, and flexibility is also not as cast-in-place plate.
Cold bending thin wall lattice configuration steel and concrete composite floor plate are by the certain distance permutation and combination with cold bending thin wall lattice configuration steel, connect or be welded into the cold bending thin wall lattice configuration steel skeleton with transition piece, connector, at the cold bending thin wall lattice configuration steel external surface construction formwork is arranged fixedly, concreting makes curved thin wall lattice configuration steel skeleton, construction formwork and concrete form composite floor plate then.Though that composite floor plate has possessed is durable, energy-conservation, lightweight, advantage such as efficient, quick, because it belongs to prefabricated units, still exists the problem of globality, shock resistance shortcoming.
The steel reinforced concrete composite floor is made of jointly the concrete slab of profiled sheet and cast thereon.Then formed a working platform at once in the construction stage after profiled sheet is fixed, profiled sheet has then replaced traditional template when concreting.After hardening of concrete, then formed composite floor.Composite floor quick construction, convenience, short, saving reinforcing bar of duration, the double steel form of doing, cost is low, and the intensity height effectively reduces each floor plate thickness, reduces floor height.But shaped steel and concrete adhesive property are relatively poor, also need artificial treatment ability and concrete to realize reliable connection, complex process, cost height.
Reinforced concrete slab has prefabricated assembled and two-fold advantage cast-in-place concrete floor concurrently, and namely integral rigidity is good, anti-seismic performance is superior, save three materials, easy construction and can the reduction of erection time.The prestressed concrete overlapped slab that wherein day by day comes into one's own can also be controlled distortion and crack effectively.But the prestressed concrete laminated floor slab needs higher construction level, and domestic process matched therewith does not also reach this level.In addition, slippage easily takes place in the superposed surfaces between the concrete, makes that the levels concrete can not collaborative work, has had a strong impact on bearing capacity and the use of floor.
Summary of the invention
The purpose of this utility model is exactly the shortcoming and defect that exists at prior art, cold bending thin wall lattice configuration steel-concrete folding insulation floor is provided, on the basis with cast-in-place concrete floor good integrity, have double template and the advantages of high strength done of steel reinforced concrete composite floor again concurrently, overcome cold bending thin wall lattice configuration steel and concrete composite floor plate globality again, the problem of shock resistance shortcoming, also solve reinforced concrete slab has a strong impact on bearing capacity because of the superposed surfaces slippage problem, can save a large amount of templates and scaffold during construction and support, give full play to reinforcing bar, shaped steel, the characteristics of concrete and foam cement and the advantage of precasting process.
The purpose of this utility model is achieved like this: cold bending thin wall lattice configuration steel-concrete folding insulation floor, comprise foam cement layer, layer of concrete and steel frame, it is characterized in that: the upper and lower part of foam cement layer is connected with layer of concrete, the bottom layer of concrete is the precast concrete layer, and the top layer of concrete is for to build all-in-one-piece cast-in-situ concrete layer simultaneously with the concrete pavement of precast frame beam.Steel frame is made up of cold bending thin wall lattice configuration steel, reinforcing bar and fixture.
Described steel frame is that cold bending thin wall lattice configuration steel is put at a certain distance, puts reinforcing bar along cold bending thin wall lattice configuration steel lower vertical direction, with fixture reinforcing bar and cold bending thin wall lattice configuration steel is fixed; Put reinforcing bar on cold bending thin wall lattice configuration steel top, fix with fixture.
Described cold bending thin wall lattice configuration steel, its cross section or Z type or U-shaped or C type.
The making of cold bending thin wall lattice configuration steel-concrete folding insulation floor is carried out according to the following steps.
1, makes steel frame in precast yard.In precast yard, design size and structural requirement according to floor, cold bending thin wall lattice configuration steel is put at a certain distance, again reinforcing bar is put along cold bending thin wall lattice configuration steel lower vertical direction, with fixture cold bending thin wall lattice configuration steel and reinforcing bar are fixed the formation steel frame; After regulating bottom layer of concrete template by design size, steel frame is put into bottom layer of concrete template, wherein reinforcing bar should be in the bottom of bottom layer of concrete template.
2, concreting layer and foam cement layer.Build the bottom layer of concrete to certain altitude, when treating that layer of concrete reaches certain intensity, insert foam cement again to certain altitude, become the foam cement layer; After treating that the foam cement layer is fixed, namely collapsible die dispatches from the factory, and is transported to the job site.
3, place upper reinforcement at the construction field (site).At the construction field (site), the cold bending thin wall lattice configuration steel that stretches out cold bending thin wall lattice configuration steel-concrete folding plate is supported on the precast frame beam forms; Place reinforcing bar on cold bending thin wall lattice configuration steel top, fix with fixture, to being supported between the adjacent superimposed sheet on the precast frame beam overlap joint reinforcing bar is set simultaneously.
4, build the top layer of concrete.The concrete pavement of the top layer of concrete of cold bending thin wall lattice configuration steel-concrete folding insulation floor overlapping layers and precast frame beam built simultaneously be integral; After treating that concrete curing finishes, light gauge cold-formed steel shape-concrete folding insulation floor namely completes.
Compared with prior art, the utility model has the advantages that: from heavy and light, good heat insulating is compared with unidimensional concrete floor, weight saving near half, thermal resistivity has improved 11 times.The intensity height, supporting capacity, globality, stability, shock resistance are good, saved template and scaffold and supported, the saving of labor, save time, material-saving, efficient, fast.The globality that had both had cast-in-place concrete floor, have the high strength of steel reinforced concrete composite floor again concurrently, overcome the problem of cold bending thin wall lattice configuration steel and concrete composite floor plate globality, shock resistance shortcoming again, the concrete pavement of the concrete of overlapping layers and precast frame beam is built simultaneously and is integral, and is more excellent than supporting capacity, the globality of reinforced concrete slab.
Description of drawings
Fig. 1: the cold bending thin wall lattice configuration steel in C type cross section-concrete folding insulation floor sectional view.
Fig. 2: the cold bending thin wall lattice configuration steel in C type cross section and bottom layer of concrete reinforcement placement figure.
Fig. 3: the bottom layer of concrete is built figure.
Fig. 4: foam cement layer blank map.
Fig. 5: top layer of concrete reinforcement placement figure.
Fig. 6: the top layer of concrete is built figure.
Fig. 7: overlap joint reinforcement placement figure.
Among the figure: 1, the cold bending thin wall lattice configuration steel 2 in C type cross section, reinforcing bar 3, cutting ferrule 4, layer of concrete 5, foam cement layer 6, bottom layer of concrete template 7, precast frame beam 8, overlap joint reinforcing bar.
The specific embodiment
For further describing the utility model, below in conjunction with cold bending thin wall lattice configuration steel-concrete folding insulation floor embodiment and the accompanying drawing in C type cross section the utility model is further described.
As shown in Figure 1, the utility model cold bending thin wall lattice configuration steel-concrete folding insulation floor, comprise foam cement layer 5, layer of concrete 4 and steel frame, it is characterized in that: the upper and lower part of foam cement layer 5 is connected with layer of concrete 4, bottom layer of concrete 4 is the precast concrete layer, and top layer of concrete 4 is for to build all-in-one-piece cast-in-situ concrete layer simultaneously with the concrete pavement of precast frame beam.Steel frame is made of cold bending thin wall lattice configuration steel 1, reinforcing bar 2 and the cutting ferrule 3 in C type cross section.
Described steel frame is that the cold bending thin wall lattice configuration steel 1 in C type cross section is put at a certain distance, puts reinforcing bar 2 along the cold bending thin wall lattice configuration steel 1 lower vertical direction in C type cross section, and is with cutting ferrule 3 that the cold bending thin wall lattice configuration steel 1 in reinforcing bar 2 and C type cross section is fixing; Reinforcing bar 2 is put on cold bending thin wall lattice configuration steel 1 top in C type cross section, and is fixing with cutting ferrule 3.
The making of the cold bending thin wall lattice configuration steel in C type cross section-concrete folding insulation floor is carried out according to the following steps.
The first step is made steel frame in precast yard.
As shown in Figure 2, in precast yard, design size and structural requirement according to floor, the cold bending thin wall lattice configuration steel 1 in C type cross section is put at a certain distance, again reinforcing bar 2 is put along the cold bending thin wall lattice configuration steel 1 lower vertical direction in C type cross section, with cold bending thin wall lattice configuration steel 1 and reinforcing bar 2 fixing the form steel frames of cutting ferrule 3 with C type cross section; After regulating bottom layer of concrete template 6 by design size, steel frame is put into bottom layer of concrete template 6, wherein reinforcing bar 2 should be in the bottom of bottom layer of concrete template 6.
Second step, concreting layer and foam cement layer.
Shown in Fig. 3,4, build bottom layer of concrete 4 to certain altitude, when treating that layer of concrete 4 reaches certain intensity, insert foam cement again to certain altitude, become foam cement layer 5; After treating that foam cement layer 5 is fixed, namely collapsible die dispatches from the factory, and is transported to the job site.
In the 3rd step, place upper reinforcement at the construction field (site).
Shown in Fig. 5,7, at the construction field (site), the cold bending thin wall lattice configuration steel 1 in C type cross section that stretches out the cold bending thin wall lattice configuration steel-reinforced concrete slab in C type cross section is supported on precast frame beam 7 templates; Reinforcing bar 2 is placed on cold bending thin wall lattice configuration steel 1 top in C type cross section, fixes with cutting ferrule 3, to being supported on overlap joint reinforcing bar 8 is set between the adjacent superimposed sheet on the precast frame beam 7 simultaneously.
In the 4th step, build the top layer of concrete.As shown in Figure 6, the cold bending thin wall lattice configuration steel-top layer of concrete 4 of concrete folding insulation floor overlapping layers in C type cross section is built simultaneously with the concrete pavement of precast frame beam 7 and is integral; After treating that concrete curing finishes, light gauge cold-formed steel shape-concrete folding insulation floor namely completes.

Claims (3)

1. cold bending thin wall lattice configuration steel-concrete folding is incubated floor, comprise foam cement layer (5), layer of concrete (4) and steel frame, it is characterized in that: the upper and lower part of foam cement layer (5) is connected with layer of concrete (4), bottom layer of concrete (4) is the precast concrete layer, and top layer of concrete (4) is for to build all-in-one-piece cast-in-situ concrete layer simultaneously with the concrete pavement of precast frame beam; Steel frame is made up of cold bending thin wall lattice configuration steel (1), reinforcing bar (2) and fixture (3).
2. cold bending thin wall lattice configuration steel according to claim 1-concrete folding is incubated floor, it is characterized in that: described steel frame is that cold bending thin wall lattice configuration steel (1) is put at a certain distance, put reinforcing bar (2) along cold bending thin wall lattice configuration steel (1) lower vertical direction, with fixture (3) that reinforcing bar (2) and cold bending thin wall lattice configuration steel (1) is fixing; Put reinforcing bar (2) on cold bending thin wall lattice configuration steel (1) top, fixing with fixture (3).
3. cold bending thin wall lattice configuration steel according to claim 1-concrete folding insulation floor is characterized in that: described cold bending thin wall lattice configuration steel, its cross section or Z type or U-shaped or C type.
CN 201320075625 2013-02-18 2013-02-18 Cold-formed thin-wall lattice-type steel-concrete composite heat-insulation floor slab Withdrawn - After Issue CN203160489U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103088947A (en) * 2013-02-18 2013-05-08 中国十七冶集团有限公司 Composite thermal insulation floorslab of cold-formed thin-walled lattice sectional steel and concrete and manufacturing technology thereof
CN106522434A (en) * 2016-11-29 2017-03-22 哈尔滨鸿盛房屋节能体系研发中心 Assembly type concrete floorboard system
CN110528763A (en) * 2019-09-29 2019-12-03 福州大学 Thin-walled UHPC with perforated panel PBL key and NC superimposed sheet and its construction method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103088947A (en) * 2013-02-18 2013-05-08 中国十七冶集团有限公司 Composite thermal insulation floorslab of cold-formed thin-walled lattice sectional steel and concrete and manufacturing technology thereof
CN103088947B (en) * 2013-02-18 2016-03-23 中国十七冶集团有限公司 Cold bending thin wall lattice configuration steel-concrete folding heat preservation floor slab and production technology thereof
CN106522434A (en) * 2016-11-29 2017-03-22 哈尔滨鸿盛房屋节能体系研发中心 Assembly type concrete floorboard system
CN110528763A (en) * 2019-09-29 2019-12-03 福州大学 Thin-walled UHPC with perforated panel PBL key and NC superimposed sheet and its construction method

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Granted publication date: 20130828

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