Recycled aggregate concrete cavity floor system

Abstract

The utility model belongs to the technical field of assembly type building application, and particularly discloses a recycled aggregate concrete cavity floor system which comprises a middle box body, an upper cover plate, a lower cover plate, a square through cavity, an upper clamping groove, a lower clamping groove, an upper protrusion, a lower protrusion and the like. The recycled aggregate concrete cavity floor system has the advantages that recycling of recycled aggregate concrete is achieved, production and manufacturing cost of the cavity floor system is saved, and economic benefits are improved; and 2, the whole body is composed of three parts of assembly type structures, on one hand, batch production and manufacturing and transportation are facilitated, on-site construction and assembly are facilitated, the construction period is shortened, in addition, the performance of the recycled aggregate concrete is combined, and the compression resistance, durability and the like of the cavity floor system are also greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fabricated building application, specifically relates to recycled aggregate concrete cavity floor. BACKGROUND

[0002] Recycled aggregate concrete (RAC) is a kind of green low-carbon building material, which is of great significance to promote the low-carbon development of the concrete industry.

[0003] Recycled aggregate concrete is a kind of building material that reuses waste concrete or construction waste after treatment, which has the following characteristics: (1) environmentally sustainable, through recycling and reusing construction waste, it realizes efficient use of resources and reduces the degree of dependence on new aggregate; (2) mature technology, its research and application has been for a long time in the international, and the related technology and experience gradually mature.

[0004] Application of recycled aggregate concrete: as a sustainable development pouring material, it is used in an increasingly expanding range, mainly in the fields of construction engineering, pavement engineering and plastic products, etc. In construction engineering, it can be used for the structure and decoration of buildings, such as walls, beams and columns, floors, etc., which has good effect on improving the compression resistance, tensile resistance and durability of buildings.

[0005] In order to promote the transformation and upgrading of the construction industry, in recent years, new building industrialization has been actively promoted, starting from design standardization, production factoryization, construction mechanization and management scientization, and vigorously developing prefabricated building and prefabricated component industry. On this basis, domestic independent innovation and introduction of foreign advanced technology have developed many floor systems, common ones are ordinary truss rib composite slab system, composite beam and cast-in-place floor slab system, prestressed steel pipe truss rib composite slab system, etc. These floor systems meet the requirements of the current evaluation standards of prefabricated buildings in various places. But they fail to fully exert the advantages of prefabricated composite structure in design, production and construction, especially the advantages of prestressed technology, resulting in complex design, low production efficiency, low installation efficiency, poor forming quality and high cost compared with traditional cast-in-place floor, which is not conducive to the promotion of new building industrialization.

[0006] In view of the problems existing in the current common floor system, combined with the background of vigorously developing new building industrialization and prefabricated building, how to develop a low-cost prefabricated recycled aggregate concrete cavity floor is the current research and solution.

[0007] Therefore, based on the above problems, the utility model provides a recycled aggregate concrete cavity floor. Utility model content

[0008] The utility model aims at providing a recycled aggregate concrete cavity floor, which solves the problems existing in the cavity floor construction in the prior art, i.e., reduces the construction cost, shortens the construction time, and realizes the recycling of recycled resources.

[0009] Technical scheme: The recycled aggregate concrete cavity floor of the utility model, comprising an intermediate box, an upper cover plate and a lower cover plate, a square through cavity is arranged in the intermediate box, upper clamping grooves and lower clamping grooves are symmetrically arranged in the two side surfaces and the four corner end surfaces of the intermediate box, upper protrusions matched with the upper clamping grooves are arranged in the four corner end surfaces of the upper cover plate, and lower protrusions matched with the lower clamping grooves are arranged in the four corner end surfaces of the lower cover plate.

[0010] The recycled aggregate concrete cavity floor further comprises upper layer intermediate box reinforcing steel bars, lower layer intermediate box reinforcing steel bars, upper cover plate reinforcing steel bars and lower cover plate reinforcing steel bars which are respectively pre-paved in the intermediate box, the upper cover plate and the lower cover plate.

[0011] The recycled aggregate concrete cavity floor further comprises an upper cover plate limiting protrusion arranged on one side of the upper cover plate and matched with the upper inner wall of the square through cavity.

[0012] The recycled aggregate concrete cavity floor further comprises a lower cover plate limiting protrusion arranged on one side of the lower cover plate and matched with the lower inner wall of the square through cavity.

[0013] The upper clamping grooves, the lower clamping grooves, the upper protrusions and the lower protrusions are arranged in a matched quadrilateral structure.

[0014] Compared with the prior art, the recycled aggregate concrete cavity floor has the following beneficial effects: 1. The recycling of recycled aggregate concrete is realized, the production and manufacturing cost of the cavity floor is saved, and the economic benefit is improved; 2. The cavity floor is composed of three parts in a fabricated structure, which is convenient for batch production and transportation, facilitates on-site construction and assembly, shortens the construction period, and greatly improves the compression resistance and durability of the cavity floor in combination with the performance of the recycled aggregate concrete. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without any creative effort.

[0016] Figure 1 is a front view structural schematic diagram of the recycled aggregate concrete cavity floor of the utility model before assembly.

[0017] Figure 2 is the overhead structure schematic view of the middle box, the square through cavity, the upper clamping groove and the upper layer middle box steel bar of the recycled aggregate concrete cavity floor of the utility model;

[0018] Figure 3 is the bottom structure schematic view of the upper cover plate, the upper cover plate steel bar, the upper cover plate limiting convex part and the upper convex of the recycled aggregate concrete cavity floor of the utility model;

[0019] Figure 4 is the overhead structure schematic view of the lower cover plate, the lower cover plate steel bar, the lower cover plate limiting convex part and the lower convex of the recycled aggregate concrete cavity floor of the utility model;

[0020] Figure 5 is Figure 1 the main view structure schematic view after assembly;

[0021] Wherein, the serial number in the figure is as follows: 10-middle box, 11-square through cavity, 12-upper clamping groove, 13-lower clamping groove, 14-upper layer middle box steel bar, 15-lower layer middle box steel bar, 20-upper cover plate, 21-upper cover plate steel bar, 22-upper cover plate limiting convex part, 23-upper convex, 30-lower cover plate, 31-lower cover plate steel bar, 32-lower cover plate limiting convex part, 33-lower convex. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, apparently, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor are within the protection scope of the utility model.

[0023] In the description of the utility model, it is necessary to explain that the terms "top", "bottom", "one side", "the other side", "front", "back", "intermediate position", "interior", "top end", "bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0025] Embodiment one

[0026] As Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 The recycled aggregate concrete cavity floor slab shown in the description of the utility model, including intermediate box 10, upper cover plate 20 and lower cover plate 30,

[0027] Square through cavity 11 is arranged in intermediate box 10,

[0028] Upper clamping groove 12 and lower clamping groove 13 are respectively arranged in the two faces four corners end faces of intermediate box 10,

[0029] Upper convex 23 matched with upper clamping groove 12 is arranged in the four corners end faces of upper cover plate 20,

[0030] Lower convex 33 matched with lower clamping groove 13 is arranged in the four corners end faces of lower cover plate 30.

[0031] Among them, intermediate box 10, square through cavity 11, upper clamping groove 12 and lower clamping groove 13 are recycled aggregate concrete castings, upper cover plate 20, upper convex 23 are recycled aggregate concrete castings, lower cover plate 30, lower convex 33 are recycled aggregate concrete castings.

[0032] Embodiment two

[0033] On the basis of embodiment one, the recycled aggregate concrete cavity floor further comprises upper layer middle box steel bars 14, lower layer middle box steel bars 15, upper cover plate steel bars 21 and lower cover plate steel bars 31 respectively pre-paved in the middle box 10, the upper cover plate 20 and the lower cover plate 30, and used for bundling and fixing the middle box 10, the upper cover plate 20 and the lower cover plate 30.

[0034] Embodiment three

[0035] On the basis of embodiment two, the recycled aggregate concrete cavity floor further comprises an upper cover plate limiting protrusion 22 arranged on one side of the upper cover plate 20 and matched with the upper inner wall of the square through cavity 11.

[0036] The upper cover plate 20, the upper cover plate limiting protrusion 22 and the upper protrusion 23 are formed by pouring recycled aggregate concrete, and have corresponding high strength, compression resistance, tensile resistance and durability.

[0037] Embodiment three

[0038] On the basis of embodiment two, the recycled aggregate concrete cavity floor further comprises a lower cover plate limiting protrusion 32 arranged on one side of the lower cover plate 30 and matched with the lower inner wall of the square through cavity 11.

[0039] The lower cover plate 30, the lower cover plate limiting protrusion 32 and the lower protrusion 33 are formed by pouring recycled aggregate concrete, and have corresponding high strength, compression resistance, tensile resistance and durability.

[0040] In addition, the upper clamping groove 12, the lower clamping groove 13, the upper protrusion 23 and the lower protrusion 33 are preferably arranged in a matching quadrilateral structure, and the upper protrusion 23 and the lower protrusion 33 are respectively embedded in the upper clamping groove 12 and the lower clamping groove 13 during construction and assembly.

[0041] The working principle or structural principle of the recycled aggregate concrete cavity floor of the structure is as follows:

[0042] Please refer to Figures 1 to 5 (1) After the lower cover plate 30 is laid to the corresponding position, the lower cover plate 30 is bundled and fixed by the lower cover plate steel bars 31.

[0043] (2) The middle box 10 is assembled to the lower cover plate 30, at this time the lower protrusion 33 is embedded in the lower clamping groove 13, the lower cover plate limiting protrusion 32 is clamped into the lower part of the square through cavity 11, and the middle box 10 is bundled and fixed by the upper layer middle box steel bars 14 and the lower layer middle box steel bars 15.

[0044] (3) The upper cover plate 20 is assembled to the upper part of the middle box 10, at this time the upper protrusion 23 is embedded in the upper clamping groove 12, the upper cover plate limiting protrusion 22 is clamped into the upper part of the square through cavity 11, and the upper cover plate 20 is bundled and fixed by the upper cover plate steel bars 21.

[0045] (4) Pouring concrete (pouring concrete in the gap where the steel bars are bound).

[0046] It has to be remarked that in this text, terms such as "comprise", "comprising", or any other variant thereof do not preclude the presence of elements other than those stated, or the presence of additional elements, that the process, method, article, or apparatus includes those elements explicitly listed, and that it does not exclude other elements of these processes, methods, articles, or apparatuses. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0047] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A recycled aggregate concrete cavity floor slab, characterized in that: Includes the middle box (10) and the top cover (20). and Lower cover plate (30), The intermediate box (10) is provided with a square through cavity (11). The two sides of the intermediate box (10) are symmetrically provided with upper slots (12) and lower slots (13) at the four corners. The four corner end faces of the upper cover plate (20) are provided with upper protrusions (23) that match the upper slots (12). The four corner end faces of the lower cover plate (30) are provided with lower protrusions (33) that match the lower slots (13).

2. The recycled aggregate concrete cavity floor slab according to claim 1, characterized in that: The recycled aggregate concrete cavity floor slab also includes upper intermediate box reinforcement (14), lower intermediate box reinforcement (15), upper cover plate reinforcement (21), and lower cover plate reinforcement (31) pre-laid and poured in the intermediate box (10), upper cover plate (20), and lower cover plate (30).

3. The recycled aggregate concrete cavity floor slab according to claim 1 or 2, characterized in that: The recycled aggregate concrete cavity floor slab also includes an upper cover plate limiting protrusion (22) disposed on one side of the upper cover plate (20) and matching the upper inner wall of the square cavity (11).

4. The recycled aggregate concrete cavity floor slab according to claim 1 or 2, characterized in that: The recycled aggregate concrete cavity floor slab also includes a lower cover plate limiting protrusion (32) disposed on one side of the lower cover plate (30) and matching the lower inner wall of the square cavity (11).

5. The recycled aggregate concrete cavity floor slab according to claim 1, characterized in that: The upper slot (12), lower slot (13), upper protrusion (23), and lower protrusion (33) are configured as matching quadrilateral structures.

Images