CN209799122U

CN209799122U - Cavity floor member

Info

Publication number: CN209799122U
Application number: CN201920233683.3U
Authority: CN
Inventors: 栾文彬
Original assignee: NANJING JIANYAN SCI&TECH CO Ltd; Jiangsu Xinzhu Tongchuang Civil Engineering Co Ltd
Current assignee: Nanjing Jianyan Sci&tech Co ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2019-12-17
Anticipated expiration: 2029-02-25

Abstract

The utility model provides a cavity floor member, which comprises a box body, an upper plate and a bottom plate which are arranged in parallel, wherein the upper plate and the bottom plate are reinforced concrete plates; the box body is placed on the bottom plate, the upper plate covers the box body, the upper end and the lower end of the box body are respectively close to the edges of the upper plate and the bottom plate, and the box body, the upper plate and the bottom plate enclose a cavity; the lower surface of the upper plate and the upper surface of the bottom plate are respectively provided with a limiting part, and the limiting parts are positioned in the cavity and close to the end part of the box body. The utility model discloses can pile together and transport, reduce the cost of transportation, reduce the loss simultaneously, curb plate, upper plate production displacement when having avoided concreting through setting up spacing part.

Description

Cavity floor member

Technical Field

The utility model belongs to the technical field of the building, a cavity superstructure component is related to.

Background

in order to better lighten the structure dead weight of a concrete floor slab, control the deflection deformation of the floor slab, save reinforcing steel bars and reduce the comprehensive cost so as to meet the requirements of low carbon, energy conservation and environmental protection, the floor slab design mostly adopts the cast-in-place concrete hollow floor slab technology, and adopted pore-forming components, or internal molds, are divided into two types, one type is a hollow cylindrical core box body, such as various thin-wall hollow pipes; one kind is light solid cylinder and block, such as the cast-in-place concrete hollow floor filling rod disclosed in Chinese patent ZL 200720030993.2.

However, when various hollow thin-wall pipe fittings are used for floor slab construction, concrete needs to be poured on the upper portions of the thin-wall pipe fittings, concrete needs to be poured on the bottoms of the thin-wall pipe fittings, otherwise, the formed floor slabs cannot hoist objects such as electric lamps, and the thin-wall pipe fittings are thin, are formed by adding cement slurry into fiber mesh cloth, are easy to smash, are easy to consider that work stealing and material reduction of a project and quality hidden dangers exist for residents, and when concrete is poured on the bottoms of the thin-wall pipe fittings, the thin-wall pipe fittings are difficult to tamp by using a vibrating rod due to blocking of the thin-wall pipe fittings, and the project quality problem caused by incompact concrete. The utility model discloses a utility model discloses an application number is 201521111136.6 cavity superstructure component, including bottom plate and hollow box, the box is installed on the bottom plate, the bottom plate is reinforced concrete slab, has laid the fibre screen cloth in this reinforced concrete slab, the box includes the lateral wall and installs the upper cover on the lateral wall, the lateral wall is fixed on the bottom plate. The utility model discloses an adopt reinforced concrete slab as the bottom plate, adopt hollow box as the upper portion component, in effective control self weight, provide the efficiency of construction greatly, reduction of erection time. The utility model discloses a cavity superstructure component that provides is overall structure, transports the job site after the mill is prefabricated, and in the transportation, the breakage rate of cavity superstructure component is higher, and simultaneously, cavity superstructure component area is big, and the quantity that every car can load is limited, and the conveying efficiency is low. The cavity floor member is also inconvenient to place in a construction site. The utility model with application number 201720620339.0 provides a cavity floor member, which comprises a top plate, a bottom plate, wall plates and a vertically arranged screw rod, wherein the top plate and the bottom plate are respectively arranged at two ends of the screw rod; the wall plate is arranged between the top plate and the bottom plate, and the top plate, the bottom plate and the wall plate enclose a cavity. The utility model discloses a be favorable to the transportation of component, only need produce roof, bottom plate and wallboard in the mill can, transport job site and reassemble with roof etc. and can pile up and put, practice thrift the space, improved the conveying efficiency greatly. The screw rod is adopted to connect the top plate and the bottom plate, and the wall plate does not bear weight, so that the wall plate can be made of fiber mesh cloth, reticular plates and other materials, and the cost is greatly saved. However, the utility model adopts the screw rod to connect the top plate and the bottom plate, so the cost is relatively high, and the utility model needs to be hoisted into the construction site after the components are assembled, so that the problem of inconvenient construction still exists.

Disclosure of Invention

The utility model aims at providing a cavity superstructure component adopts split type structure, conveniently transports greatly and assembles, improves conveying efficiency.

The utility model provides a cavity floor member, which comprises a box body, an upper plate and a bottom plate which are arranged in parallel, wherein the upper plate and the bottom plate are reinforced concrete plates; the box body is placed on the bottom plate, the upper plate covers the box body, the upper end and the lower end of the box body are respectively close to the edges of the upper plate and the bottom plate, and the box body, the upper plate and the bottom plate enclose a cavity; the lower surface of the upper plate and the upper surface of the bottom plate are respectively provided with a limiting part, and the limiting parts are positioned in the cavity and close to the end part of the box body. Due to the split structure, the upper plate and the bottom plate can be stacked together for transportation and then transported to a construction site for assembly, so that the transportation efficiency is improved, and the loss in the transportation process is reduced. The upper plate and the bottom plate are provided with limiting parts, and after the cavity floor member is assembled, when concrete is poured, the box body and the upper plate are prevented from being displaced by impact force generated by construction.

For further convenient transportation, the box body comprises four side plates, and adjacent side plates are connected through a supporting part. During transportation, the box bodies are separated, and the side plates can be stacked together for transportation and then assembled after being transported to a construction site.

The utility model discloses a support component is the steel pipe, utilizes the steel pipe to assemble four blocks of curb plates, preferably adopts square steel pipe.

Spacing part can adopt the stuff, with the stuff nail on upper plate, bottom plate.

in order to enable better bonding of cast in place concrete to the cavity floor member during casting, the ends of the upper and/or base plate have exposed reinforcing steel.

The utility model discloses a cavity superstructure component adopts split type structure, can pile together and transport, and bicycle transportation volume greatly increased reduces the cost of transportation, has reduced the loss simultaneously. The integral structure occupies little floor area and is easy to be damaged. The utility model discloses a shaping is built at the job site to cavity superstructure component, need not use the screw rod to connect upper plate and bottom plate, greatly reduced cost. The utility model discloses greatly reduced construction cost improves the efficiency of construction, reduction of erection time. The utility model discloses the cavity superstructure that forms, the rib roof beam are cast-in-place structure, and consequently whole structure's frame node nuclear core area is cast-in-place structure, and the whole anti-seismic performance of structure is as far as the nothing with full cast-in-place structure basically. The upper plate and the bottom plate of the cavity floor member are provided with exposed reinforcing steel bars, and the exposed reinforcing steel bars are connected with the surrounding cast-in-situ rib beams in a bond wrapping manner, so that the connecting effectiveness of the members is ensured, and the difficulty of aligning the reinforcing steel bars among common prefabricated members is avoided.

Drawings

FIG. 1 is a schematic bottom plate of the component of the present invention;

FIG. 2 is a side plate schematic view of the component of the present invention;

FIG. 3 is a schematic view of an upper plate of the component of the present invention;

FIG. 4 is a schematic view of a base plate of a component of the present invention placed on a surface of a form;

FIG. 5 is a schematic view of the reinforcement bars being tied between the bottom plates of the structural members of the present invention;

FIG. 6 is a schematic view of the placement of a side panel on top of the bottom panel of the member;

FIG. 7 is a schematic view of an upper plate on which the components are placed;

FIG. 8 is a top view after concrete placement;

Figure 9 is a cross-sectional view of a cavity floor after concrete has been poured.

in the figure: 1. a cavity floor member; 1-1, a bottom plate; 1-2, bottom plate steel bars; 1-3, a limiting component; 1-4, side plates; 1-5, a support member; 1-6, upper plate; 1-7, upper plate steel bars; 1-8, a cavity; 2. rib beam reinforcing steel bars; 3. a rib beam; 4. a support beam; 5. and (5) template.

Detailed Description

As shown in fig. 1, 2, 3 and 9, the cavity floor member provided by the utility model comprises a bottom plate 1-1, an upper plate 1-6 and a side plate 1-4. In fig. 2, four side plates 1-4 are shared, adjacent side plates are connected through support parts 1-5, the support parts 1-5 can adopt hinges, steel pipes and the like, preferably square steel pipes, the four side plates are connected to form a box body, the box body is placed on a bottom plate 1-1, and an upper plate 1-6 covers the box body. The upper and lower ends of the box body are respectively close to the edges of the upper plate and the bottom plate. The box body, the bottom plate and the upper plate form a cavity 1-8. The upper surface of the bottom plate 1-1 is provided with a limiting part 1-3, each edge of the bottom plate is correspondingly provided with a limiting part, the lower surface of the upper plate 1-6 is also provided with a limiting part (not shown in the figure), after a cavity is formed, the limiting part is positioned in the cavity, and the limiting part is close to the end part of the box body. The limiting component can be made of battens, steel pipes and the like. The ends of the bottom plate 1-1 and the upper plate 1-6 are provided with exposed steel bars, namely, a bottom plate steel bar 1-2 and an upper plate steel bar 1-7.

as shown in fig. 4-8, the process of casting a cavity floor is as follows:

Line snapping: lines are bounced on the template 5 to draw the positions for placing the bottom plates 1-1, and gaps among the bottom plates 1-1 are used for binding steel bars.

Laying a bottom plate: the base plate 1-1 is placed on the template 5 at a designated position.

Binding steel bars: and binding the rib beam reinforcing steel bars 2 at the gaps between the adjacent bottom plates to form a rib beam reinforcing steel bar structure.

Installing a side plate and an upper plate of the cavity floor member: the side plates 1-4 are vertically placed on the bottom plate, the upper plates 1-6 are covered on the side plates, and the side plates, the upper plates and the bottom plate form a cavity in a surrounding mode. For the installation of the side plate, the side plate can be directly fixed on the bottom plate by screws and the like. The embodiment adopts the following mode: the adjacent side plates are connected by using supporting parts 1-5 (such as steel pipes) to form a box body, the box body is placed on the bottom plate, and the upper plate is covered at the upper end of the box body. When preventing to pour concrete, the impact force of concrete leads to curb plate, upper plate to produce the displacement, and this embodiment all is provided with spacing part at the lower surface of upper plate, the upper surface of bottom plate, encloses into the cavity after, spacing part is located the cavity, is close to the tip of curb plate, and spacing part plays limiting displacement to curb plate, upper plate.

pouring concrete: and pouring concrete at the gap bound with the steel bars to form the rib beam 3. And after the concrete is solidified to meet the requirement, removing the template.

The end parts of the upper plate and/or the bottom plate are provided with exposed steel bars, and the exposed steel bars and the rib beam steel bar structures are bound together before concrete pouring, so that the cavity floor member is more tightly connected with the rib beam.

Laying the installation of bottom plate and ligature reinforcing bar, ligature reinforcing bar and curb plate, upper plate, do not have special order requirement, can lay the bottom plate earlier and then ligature reinforcing bar, or ligature reinforcing bar earlier and then lay the bottom plate, can install curb plate, upper plate earlier and then ligature reinforcing bar, perhaps ligature reinforcing bar earlier and then install curb plate, upper plate. However, from the viewpoint of improving the construction efficiency, the present embodiment is performed in the sequence shown in fig. 4 to 7, that is, the bottom plate is laid first, the reinforcing bars are bound, then the side plates and the upper plate are installed, and finally the concrete is poured.

The structure of the cavity floor obtained by the construction method provided by the utility model is shown in figures 8 and 9, and comprises a cavity floor member 1, a rib beam 3 connected with the cavity floor member 1 and a supporting beam 4.

Claims

1. A cavity superstructure component which characterized in that: the box body is arranged on the upper plate, the bottom plate and the bottom plate in parallel, and the upper plate and the bottom plate are reinforced concrete plates; the box body is placed on the bottom plate, the upper plate covers the box body, the upper end and the lower end of the box body are respectively close to the edges of the upper plate and the bottom plate, and the box body, the upper plate and the bottom plate enclose a cavity; the lower surface of the upper plate and the upper surface of the bottom plate are respectively provided with a limiting part, and the limiting parts are positioned in the cavity and close to the end part of the box body.

2. a cavity floor member as claimed in claim 1, wherein: the box body comprises four side plates, and adjacent side plates are connected through a supporting component.

3. A cavity floor member as claimed in claim 2, wherein: the supporting component is a steel pipe.

4. A cavity floor member as claimed in claim 3, wherein: the steel pipe is a square steel pipe.

5. a cavity floor member as claimed in claim 1, 2, 3 or 4, wherein: the limiting component is a batten.

6. A cavity floor member as claimed in claim 1, 2, 3 or 4, wherein: the ends of the upper and/or bottom plates have exposed reinforcing bars.