CN215253401U

CN215253401U - Lattice formula steel sheet concrete L type structure

Info

Publication number: CN215253401U
Application number: CN202121049289.8U
Authority: CN
Inventors: 赵卫
Original assignee: Beijing Leyijian Technology Co ltd
Current assignee: Beijing Leyijian Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-12-21
Anticipated expiration: 2031-05-17

Abstract

The present disclosure provides a lattice formula steel sheet concrete L type structure, includes: the prefabricated concrete comprises a first prefabricated concrete layer, a first steel plate layer and a post-cast concrete layer. The first precast concrete layer is arranged on the outer side of the first steel plate layer, and the first steel plate layer is arranged on the outer side of the post-cast concrete layer. The post-cast concrete layer comprises a first lattice column and a first steel plate connecting structure, the first lattice column is composed of 6 angle steels, four angle steels are arranged at four ends of the post-cast concrete layer, and two angle steels are arranged at the corner of the post-cast concrete layer. First steel sheet connection structure is each other by 2U type steel sheets and is mortise-tenon joint and form the steel sheet cover, the first lattice column of perpendicular to connect first steel deck, first lattice column. The utility model discloses can realize that the wall body is prefabricated entirely, shaping can once be pour to first precast concrete layer during production, during the construction with prefabricated wall body closely piece the connection installation, simple process, exempt from outrigger, template quantity low to realize raising the efficiency in production and work progress, reduce cost.

Description

Lattice formula steel sheet concrete L type structure

Technical Field

The disclosure relates to the field of assembly type buildings, in particular to a prefabricated part node structure and a construction method thereof.

Background

The assembly type building has the characteristics of being in line with green construction, environment-friendly, efficient and the like, is greatly developed in recent years, comprehensively promotes the development of the assembly type building, and becomes a central importance of the construction industry of each province and even China. In the assembly type building, the method for prefabricating the wall is relatively complex, some edge components are cast in place, and some edge components are prefabricated locally, but reinforcing steel bars of the edge components need to be bound on a construction site.

In addition, for the cast-in-place outer wall of the edge member, an outer wall scaffold and an outer template are required during construction, so that the construction cost and the construction difficulty are increased. For the outer wall with the local edge member prefabricated together with the wall, the corner connection part of the wall (such as the external corner of the outer wall) is easy to have the problem of mold expansion when concrete is poured on site. In addition, in the existing assembly type wall construction, reinforcing steel bars at the edge component part are required to be bound and hoisted on site; the reinforcing steel bars of the edge members are the most complicated areas in the wall body, so that the workload of a construction site is further increased.

The invention discloses a Chinese invention patent with the publication number of CN112227555A and provides a single-side overlapped L-shaped prefabricated part node and a construction method, the invention adopts the single-side overlapped L-shaped prefabricated part, solves the problems of difficult field binding and formwork supporting of the L-shaped edge member reinforcing steel bar and the like, but still has the following problems: 1. the binding of the steel bars is difficult in factory processing; 2. the precast concrete needs to be poured twice during factory processing.

Disclosure of Invention

In order to solve at least one of the above technical problems, the present disclosure provides a lattice type steel plate concrete L-shaped structure.

According to one aspect of the present disclosure, a lattice concrete slab L-shaped structure, comprises: the system comprises an L-shaped first precast concrete layer, an L-shaped first steel plate layer and an L-shaped post-cast concrete layer;

according to at least one embodiment of this disclosure, first precast concrete layer locates the first steel deck outside, and the first steel deck is located the post-cast concrete layer outside.

According to at least one embodiment of the present disclosure, the L-shaped first precast concrete layer is connected to the L-shaped first steel plate layer through the first connecting member, the L-shaped first steel plate layer is connected to the L-shaped post-cast concrete layer through the first connecting member, one end of the first connecting member is embedded in the L-shaped first precast concrete layer, and the other end of the first connecting member is embedded in the L-shaped post-cast concrete layer.

Optionally, the L-shaped first steel plate layer is connected with the first steel plate connecting structure through a first connecting piece.

Optionally, the L-shaped first steel deck is connected to the first lattice column by a first connecting member.

According to at least one embodiment of the present disclosure, the L-shaped first precast concrete layer is cast at one time by using C30-C60 concrete with a thickness of 20mm-50 mm.

Optionally, the first L-shaped precast concrete layer is made of ceramsite concrete or EPS filler concrete.

Optionally, mesh reinforcements are arranged in the L-shaped first precast concrete layer, the diameter of the reinforcements is 6mm-12mm, and the distance between the reinforcements is 150mm-600 mm.

According to at least one embodiment of the disclosure, the L-shaped first steel plate layer is made of Q345B hot-rolled steel plate with the thickness of 4-8 mm;

optionally, the steel plate is provided with holes in advance, and the diameter of each hole is 6-18 mm.

According to at least one embodiment of the present disclosure, the L-shaped post-cast concrete layer includes a first lattice column including 6 equal angle steels, 4 equal angle steels are disposed at four ends of the L-shaped post-cast concrete layer, and 2 equal angle steels are disposed at L-shaped corner positions; first steel sheet connection structure, it includes 2U type steel sheets, each other is tenon fourth of the twelve earthly branches connection and forms the steel sheet cover, the first lattice column of perpendicular to the first steel deck of L type, first lattice column.

According to at least one embodiment of the present disclosure, the first lattice column has an equal angle steel thickness of 3-8mm and a side length of 20-50 mm.

According to at least one embodiment of the present disclosure, the first steel plate connection structure includes 2U-shaped steel plates which are in mortise-tenon joint with each other to form a steel plate sleeve, is perpendicular to the first lattice column, and connects the first steel plate layer and the first lattice column, and the first steel plate connection structure is spaced by 200mm to 400mm along the first lattice column direction; the U-shaped steel plate is a Q345B hot-rolled steel plate with the thickness of 3-8mm and the width of 10-25 mm.

Optionally, the first connecting piece may adopt a pre-embedded rivet nut.

According to at least one embodiment of the present disclosure, concrete is cast in the L-shaped post-cast concrete layer.

The invention has the beneficial effects that:

1. the steel plate, the angle steel and other materials are adopted for processing and production, the industrial production is suitable, and the production efficiency is high.

2. Concrete is poured behind the cavity, the wall concrete is connected with the floor concrete, the waterproof performance is good, and steel is cut off by the concrete inside, and the sound insulation problem is avoided.

3. The precast concrete layer realizes one-time pouring molding, and reduces cracking caused by precast concrete through seams.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a schematic illustration of a lattice concrete slab L-shaped structure according to the present disclosure.

Fig. 2 is a schematic view of the lattice concrete L-form construction subassembly shown in fig. 1.

Fig. 3 is a three-dimensional structural schematic of a lattice concrete slab L-shaped structure according to the present disclosure.

Fig. 4 is a schematic structural view of a U-shaped steel plate according to the present disclosure.

Fig. 5 is a schematic illustration of a lattice concrete slab L-shaped structure according to an embodiment of the present disclosure.

Reference numerals: 1-a first precast concrete layer; 1 a-a first precast concrete layer which is not poured; 2-a first steel deck; 3-post-pouring a concrete layer; 4-a first steel plate connection structure; 5-a first lattice column; 6-a first connector; 7-equal angle steel (end); 8-equal angle steel (turning part); 9-U-shaped steel plate.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In one embodiment, the U-shaped steel plates 9 are mortise and tenon connected to each other to form the first steel plate connection structure 4; and vertically inserting the first latticed column 5 into the first steel plate connecting structure 4 and welding, and connecting the first steel plate connecting structure 4 with the L-shaped first steel plate layer 2 by using the first connecting piece 6.

In one embodiment, a mould platform is set up, a mould is installed on the mould platform, and then the steel plate concrete L-shaped structure is fixed by the mould; pouring a first precast concrete layer 1 between the mould and the L-shaped first steel plate layer 2;

in one embodiment, the steel plate concrete L-shaped structure is transported to a construction site, and two prefabricated wall bodies are respectively fixed at two ends of an L-shaped prefabricated component; and then, erecting a template on the inner side of the first precast concrete layer, and pouring concrete in the template to prepare a post-cast concrete layer.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims

1. A lattice formula steel sheet concrete L type structure which characterized in that includes: the steel plate concrete structure comprises an L-shaped first precast concrete layer (1), an L-shaped first steel plate layer (2) and an L-shaped post-cast concrete layer (3);

the L-shaped first precast concrete layer (1) is arranged on the outer side of the L-shaped first steel plate layer (2), and the L-shaped first steel plate layer (2) is arranged on the outer side of the L-shaped post-cast concrete layer (3);

the first precast concrete layer of L type (1) is connected with the first steel deck of L type (2) through first connecting piece (6), and the first steel deck of L type (2) is connected with the post-cast concrete layer of L type (3) through first connecting piece (6), and first connecting piece (6) one end is buried in the first precast concrete layer of L type (1), and first connecting piece (6) other end is buried in post-cast concrete layer of L type (3).

2. A lattice steel plate concrete L-shaped structure according to claim 1, characterized in that the L-shaped first precast concrete layer (1) is cast in one shot with C30-C60 concrete of 20mm-50mm thickness.

3. A lattice type steel plate concrete L-shaped structure as claimed in claim 1, characterized in that said L-shaped first steel plate layer (2) is a Q345B hot rolled steel plate with a thickness of 4-8 mm.

4. A lattice steel plate concrete L-shaped structure according to claim 1, characterized in that the L-shaped post cast concrete layer (3) comprises first lattice columns (5) and first steel plate connection structures (4); the first lattice column (5) comprising:

4 equal-edge angle steels (7) are arranged at four end parts of the L-shaped post-cast concrete layer (3), and 2 equal-edge angle steels (8) are arranged at L-shaped corner positions;

first steel sheet connection structure (4), including 2U shaped steel boards (9), each other are mortise-tenon joint and form the steel sheet cover, and the first lattice column of perpendicular to connects first steel deck of L type (2), first lattice column (5).