Fabricated steel structure floor slab for constructional engineering

Abstract

The utility model relates to the technical field of steel structure floor slabs, in particular to a constructional engineering assembly type steel structure floor slab which comprises a middle supporting steel plate layer, sound insulation layers are fixedly connected to the top and the bottom of the middle supporting steel plate layer, and a heat preservation layer is fixedly connected to the side, away from the middle supporting steel plate layer, of each sound insulation layer. A pouring layer is arranged on the side, away from the sound insulation layer, of the heat preservation layer, an anti-corrosion steel plate layer is fixedly connected to the side, away from the heat preservation layer, of the pouring layer, and connecting mechanisms are installed at the top and the bottom of the middle supporting steel plate layer correspondingly. The sound insulation layer and the heat preservation layer in the floor are reinforced and supported, connection is tighter and more stable, the anti-corrosion steel plate layer is stably connected through the threaded rods and the nuts, the interior of the pouring layer is reinforced and supported by arranging the transverse reinforcing ribs and the longitudinal reinforcing ribs, and the stable supporting performance of the floor is greatly improved; cracks cannot be generated under the condition of external force, and the service life of the floor slab is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure floors, in particular to an assembled steel structure floor for construction engineering. Background Art

[0002] As the main horizontal component in high-rise buildings, the integrity of the floor slab is very critical. Steel structure floor slabs are light in weight, high in strength and fast in construction. In construction projects, cast-in-place slabs, corrugated steel floor slabs and reinforced truss floor slabs are currently mainly used.

[0003] After searching, the announcement number CN214739117U is named as a prefabricated steel structure floor for construction engineering, including a structural floor I-shaped plate body. Through research and analysis, it is found that although it can effectively protect against corrosion during use and improve the use effect of the structural floor, it still has the following disadvantages to a certain extent;

[0004] For example, the floor slab lacks a reinforced support structure inside, and cracks are prone to occur when it is subjected to external collisions, which reduces the supporting performance and the poor thermal insulation performance, reducing the applicability of the floor slab. In order to solve the above technical problems, it is necessary for us to design a prefabricated steel structure floor slab for construction projects to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an assembled steel structure floor for construction projects, which has the advantage of adding a reinforced support structure inside the floor, greatly improving the overall stable support performance of the floor, and at the same time having the advantage of good thermal insulation performance, solving the problem that the floor lacks a reinforced support structure inside, is prone to cracks when subjected to external collisions, and has reduced support performance and poor thermal insulation performance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembled steel structure floor slab for a construction project, comprising an intermediate supporting steel plate layer, wherein the top and bottom of the intermediate supporting steel plate layer are fixedly connected with a sound insulation layer, a side of the sound insulation layer away from the intermediate supporting steel plate layer is fixedly connected with a thermal insulation layer, a casting layer is arranged on a side of the thermal insulation layer away from the sound insulation layer, a side of the casting layer away from the thermal insulation layer is fixedly connected with an anti-corrosion steel plate layer, and a connecting mechanism is installed on the top and bottom of the intermediate supporting steel plate layer.

[0007] Preferably, the thermal insulation layer comprises a polyurethane layer, one side of the polyurethane layer is fixedly connected to a rock wool board layer, the side of the polyurethane layer away from the rock wool board layer is fixedly connected to the casting layer, and the side of the rock wool board layer away from the polyurethane layer is in contact with the sound insulation layer.

[0008] Preferably, the material of the polyurethane layer is polyurethane, the material of the rock wool board layer is rock wool board, and the material of the casting layer is concrete.

[0009] Preferably, the connecting mechanism includes a connecting vertical plate, one side of the connecting vertical plate is fixedly connected to the middle supporting steel plate layer, and the side of the connecting vertical plate away from the middle supporting steel plate layer respectively penetrates the sound insulation layer and the thermal insulation layer and is fixedly connected to a connecting horizontal plate.

[0010] Preferably, a threaded rod is fixedly connected to a side of the connecting horizontal plate away from the connecting vertical plate, and the threaded rod passes through the casting layer and the anti-corrosion steel plate layer respectively on the side away from the connecting horizontal plate.

[0011] Preferably, a nut is provided on the surface thread sleeve of the threaded rod, and one side of the nut is in contact with the anti-corrosion steel plate layer.

[0012] Preferably, the interior of the casting layer is fixedly connected with transverse reinforcing ribs, and the tops of the transverse reinforcing ribs are fixedly connected with longitudinal reinforcing ribs.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model reinforces and supports the sound insulation layer and the thermal insulation layer inside the floor slab through the middle supporting steel plate layer, the connecting vertical plate, the connecting horizontal plate, the threaded rods and the nuts, so that the connection is tighter and more stable, the anti-corrosion steel plate layer is firmly connected through the threaded rods and the nuts, and the inside of the casting layer is reinforced and supported by arranging the transverse reinforcement ribs and the longitudinal reinforcement ribs, which greatly improves the stable supporting performance of the floor slab, does not produce cracks when subjected to external forces, and prolongs the service life of the floor slab.

[0015] 2. The utility model improves the thermal insulation and flame retardancy of the floor slab through the polyurethane layer and the rock wool board layer. The floor slab will not burn under high temperature conditions, thereby suppressing the spread of fire. The floor slab is protected against corrosion through the anti-corrosion steel plate layer, making the floor slab suitable for various environments and having a wide range of uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the decomposition of the polyurethane layer and the rock wool board layer of the utility model;

[0018] Figure 3 It is a schematic diagram of the connection mechanism of the utility model.

[0019] In the figure: 1. middle supporting steel plate layer; 2. sound insulation layer; 3. thermal insulation layer; 30. polyurethane layer; 31. rock wool plate layer; 4. casting layer; 5. anti-corrosion steel plate layer; 6. connecting mechanism; 60. nut; 61. connecting vertical plate; 62. connecting horizontal plate; 63. threaded rod; 7. transverse reinforcement ribs; 8. longitudinal reinforcement ribs. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 2 A prefabricated steel structure floor of a construction project comprises an intermediate supporting steel plate layer 1, a sound insulation layer 2 is fixedly connected to the top and bottom of the intermediate supporting steel plate layer 1, a thermal insulation layer 3 is fixedly connected to the side of the sound insulation layer 2 away from the intermediate supporting steel plate layer 1, a casting layer 4 is arranged on the side of the thermal insulation layer 3 away from the sound insulation layer 2, an anti-corrosion steel plate layer 5 is fixedly connected to the side of the casting layer 4 away from the thermal insulation layer 3, and a connecting mechanism 6 is installed on the top and bottom of the intermediate supporting steel plate layer 1. By arranging the sound insulation layer 2, the material of which is a sound insulation board, the sound insulation performance of the floor is improved, and the propagation of external noise can be effectively isolated. By using the intermediate supporting steel plate layer 1, the interior of the floor is stably supported, and the supporting performance of the interior of the floor is improved. By arranging the anti-corrosion steel plate layer 5, the interior of the floor is protected from corrosion, and the service life of the floor is extended.

[0021] See also Figure 2 The thermal insulation layer 3 includes a polyurethane layer 30, one side of the polyurethane layer 30 is fixedly connected with a rock wool board layer 31, the side of the polyurethane layer 30 away from the rock wool board layer 31 is fixedly connected to the casting layer 4, and the side of the rock wool board layer 31 away from the polyurethane layer 30 is in contact with the sound insulation layer 2. By setting the polyurethane layer 30, it has excellent thermal insulation performance and high flame retardant performance. By setting the rock wool board layer 31, it has good thermal insulation performance and extremely high fire resistance. It can maintain structural stability under high temperature conditions, will not melt and produce harmful gases, and improves the thermal insulation and flame retardant properties of the floor slab.

[0022] See also Figure 2 The material of the polyurethane layer 30 is polyurethane, the material of the rock wool board layer 31 is rock wool board, and the material of the casting layer 4 is concrete.

[0023] See also Figure 3 The connecting mechanism 6 includes a connecting vertical plate 61, one side of the connecting vertical plate 61 is fixedly connected to the middle supporting steel plate layer 1, and the side of the connecting vertical plate 61 away from the middle supporting steel plate layer 1 respectively penetrates the sound insulation layer 2 and the thermal insulation layer 3 and is fixedly connected with a connecting horizontal plate 62. By arranging the connecting vertical plate 61 and the connecting horizontal plate 62, the interior of the floor slab is reinforced and supported, thereby improving the stability of the floor slab, making it less likely to produce cracks under external force impact and having a long service life.

[0024] See also Figure 3 A threaded rod 63 is fixedly connected to the side of the connecting horizontal plate 62 away from the connecting vertical plate 61, and the side of the threaded rod 63 away from the connecting horizontal plate 62 respectively penetrates the casting layer 4 and the anti-corrosion steel plate layer 5.

[0025] See also Figure 3The surface thread sleeve of the threaded rod 63 is provided with a nut 60, and one side of the nut 60 is in contact with the anti-corrosion steel plate layer 5. By setting the threaded rod 63 and the nut 60, it is convenient to tightly connect the anti-corrosion steel plate layer 5 and the casting layer 4 together, and the connection is firm. At the same time, it is convenient to separate and disassemble the layers between them for easy recycling.

[0026] See also Figure 3 The interior of the casting layer 4 is fixedly connected with a transverse reinforcement rib 7, and the top of the transverse reinforcement rib 7 is fixedly connected with a longitudinal reinforcement rib 8. By arranging the transverse reinforcement rib 7 and the longitudinal reinforcement rib 8, the interior of the casting layer 4 is reinforced and supported, thereby improving the stability of the casting layer 4 and thereby improving the stability and support of the floor slab.

[0027] In summary: the prefabricated steel structure floor of the construction project, through the intermediate supporting steel plate layer 1, connecting vertical plates 61, connecting horizontal plates 62, threaded rods 63 and nuts 60, solves the problems of lack of reinforced support structure inside the floor, easy cracks in the event of external collision, reduced supporting performance, and poor thermal insulation performance.

Claims

1. A prefabricated steel structure floor for a construction project, comprising an intermediate supporting steel plate layer (1), characterized in that: The top and bottom of the intermediate supporting steel plate layer (1) are both fixedly connected to a sound insulation layer (2); the side of the sound insulation layer (2) away from the intermediate supporting steel plate layer (1) is fixedly connected to a thermal insulation layer (3); the side of the thermal insulation layer (3) away from the sound insulation layer (2) is provided with a casting layer (4); the side of the casting layer (4) away from the thermal insulation layer (3) is fixedly connected to an anti-corrosion steel plate layer (5); and the top and bottom of the intermediate supporting steel plate layer (1) are both installed with a connecting mechanism (6).

2. The assembled steel structure floor slab for construction engineering according to claim 1, characterized in that: The thermal insulation layer (3) comprises a polyurethane layer (30), one side of the polyurethane layer (30) is fixedly connected to a rock wool board layer (31), the side of the polyurethane layer (30) away from the rock wool board layer (31) is fixedly connected to a casting layer (4), and the side of the rock wool board layer (31) away from the polyurethane layer (30) is in contact with the sound insulation layer (2).

3. The assembled steel structure floor slab for construction engineering according to claim 2, characterized in that: The material of the polyurethane layer (30) is polyurethane, the material of the rock wool board layer (31) is rock wool board, and the material of the casting layer (4) is concrete.

4. The assembled steel structure floor slab for construction engineering according to claim 1, characterized in that: The connecting mechanism (6) comprises a connecting vertical plate (61), one side of the connecting vertical plate (61) is fixedly connected to the middle supporting steel plate layer (1), and the side of the connecting vertical plate (61) away from the middle supporting steel plate layer (1) respectively penetrates the sound insulation layer (2) and the thermal insulation layer (3) and is fixedly connected to a connecting horizontal plate (62).

5. The assembled steel structure floor slab for construction engineering according to claim 4, characterized in that: A threaded rod (63) is fixedly connected to the side of the connecting transverse plate (62) away from the connecting vertical plate (61), and the side of the threaded rod (63) away from the connecting transverse plate (62) respectively penetrates the casting layer (4) and the anti-corrosion steel plate layer (5).

6. The assembled steel structure floor slab for construction engineering according to claim 5, characterized in that: A nut (60) is threadedly sleeved on the surface of the threaded rod (63), and one side of the nut (60) is in contact with the anti-corrosion steel plate layer (5).

7. The assembled steel structure floor slab for construction engineering according to claim 1, characterized in that: The interior of the casting layer (4) is fixedly connected with a transverse reinforcing rib (7), and the top of the transverse reinforcing rib (7) is fixedly connected with a longitudinal reinforcing rib (8).

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