A protective structure for openings in post-cast strips of floor slabs

Abstract

This utility model provides a protective structure for post-cast strip openings in floor slabs, including the post-cast strip opening and a protective cover plate. The post-cast strip opening is horizontally arranged along the front-to-back direction. The protective cover plate includes cover plate units, which are horizontally arranged along the left-to-right direction. The cover plate units are precast concrete cover plates, with their left and right ends resting on the left and right sides of the floor slabs where the post-cast strip opening is located, respectively. Multiple cover plate units are arranged sequentially from front to back. This utility model's protective structure for post-cast strip openings in floor slabs is less prone to movement and damage during use, avoiding safety hazards and reducing operating costs.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to the field of protection technology for post-cast strip openings in floor slabs, specifically referring to a protection structure for post-cast strip openings in floor slabs. Background Technology

[0002] Building construction refers to the production activities during the implementation phase of an engineering project. It is the process of building various types of structures, or the process of turning the lines on design drawings into a physical object at a designated location. It includes foundation construction, main structure construction, roofing construction, and decoration construction.

[0003] In building construction, traditionally, the openings of the post-cast strips in floor slabs are covered and protected with wooden blocks and formwork fixed with nails. However, these are prone to displacement during use, causing safety hazards, and the formwork is easily damaged over time.

[0004] Therefore, it is desirable to provide a protective structure for the opening of the post-cast strip in the floor slab, which is not easily moved or damaged during use, thus avoiding safety hazards and reducing the cost of use. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, one objective of this utility model is to provide a protective structure for the opening of the post-cast strip in the floor slab, which is not easily moved or damaged during use, avoids safety hazards, reduces the cost of use, and is suitable for large-scale promotion and application.

[0006] Another objective of this utility model is to provide a protective structure for the opening of the post-cast strip in the floor slab, which is ingeniously designed, simple in structure, easy to construct, and has low construction cost, making it suitable for large-scale promotion and application.

[0007] To achieve the above objectives, this utility model provides a protective structure for a floor slab post-pouring strip opening, including a floor slab post-pouring strip opening, wherein the floor slab post-pouring strip opening is horizontally arranged and arranged along the front-to-back direction, characterized in that the floor slab post-pouring strip opening protective structure further includes a protective cover plate, wherein:

[0008] The protective cover plate includes a cover plate unit, which is horizontally arranged and arranged in the left-right direction. The cover plate unit is a precast concrete cover plate, and the left and right ends of the cover plate unit rest on the left and right floor slabs of the post-cast strip opening of the floor slab, respectively.

[0009] The number of cover plate units is multiple, and the multiple cover plate units are arranged sequentially from front to back.

[0010] Preferably, the cover plate unit is a square cover plate unit.

[0011] Preferably, at least one of the cover plate units has a through hole vertically provided in the middle.

[0012] Preferably, the multiple cover plate units are arranged at intervals between each other, and the protective cover plate also includes a connecting part. The connecting part is located between two adjacent cover plate units and connects the two adjacent cover plate units respectively. The front side of the foremost cover plate unit and the rear side of the last cover plate unit rest on the front and rear floor slabs of the post-pouring strip opening of the floor slab respectively.

[0013] More preferably, the connection is a concrete connection.

[0014] More preferably, the protective structure for the post-cast strip opening in the floor slab further includes a left concrete edge trim, a right concrete edge trim, a front concrete edge trim, and a rear concrete edge trim, wherein:

[0015] The left concrete edge trim strip is horizontally arranged along the front-back direction. The right side of the left concrete edge trim strip is located to the left of the left side of the protective cover plate and is connected to the left side of the protective cover plate. The bottom surface of the left concrete edge trim strip is flush with the bottom surface of the protective cover plate and is arranged on the left floor slab. The left side of the left concrete edge trim strip is a left arc-shaped side surface. The left arc-shaped side surface is arranged along the front-back direction and extends downward and to the left arc-shaped side from the top side of the right side of the left concrete edge trim strip and is connected to the left side of the bottom surface of the left concrete edge trim strip.

[0016] The right concrete edge trim strip is horizontally arranged and along the front-back direction. The left side of the right concrete edge trim strip is located to the right of the right side of the protective cover plate and is connected to the right side of the protective cover plate. The bottom surface of the right concrete edge trim strip is flush with the bottom surface of the protective cover plate and is arranged on the right side floor slab. The right side of the right concrete edge trim strip is a right arc-shaped side surface. The right arc-shaped side surface is arranged along the front-back direction and extends downward and to the right arc-shaped side surface from the top side of the left side of the right concrete edge trim strip and is connected to the right side of the bottom surface of the right concrete edge trim strip.

[0017] The front concrete edge trim strip is horizontally arranged and along the left-right direction. The rear side of the front concrete edge trim strip is located in front of the front side of the protective cover plate and connected to the front side of the protective cover plate. The bottom surface of the front concrete edge trim strip is flush with the bottom surface of the protective cover plate and is arranged on the front floor slab. The front side of the front concrete edge trim strip is a front arc-shaped side. The front arc-shaped side is arranged along the left-right direction and extends downward and forward in an arc shape from the top side of the rear side of the front concrete edge trim strip and connects to the front side of the bottom surface of the front concrete edge trim strip.

[0018] The rear concrete edge trim strip is horizontally arranged along the left-right direction. The front side of the rear concrete edge trim strip is located behind and connected to the rear side of the protective cover plate. The bottom surface of the rear concrete edge trim strip is flush with the bottom surface of the protective cover plate and is arranged on the rear floor slab. The rear side of the rear concrete edge trim strip is a rear arc-shaped side. The rear arc-shaped side is arranged along the left-right direction and extends downward and backward in an arc from the top side of the front side of the rear concrete edge trim strip, connecting to the rear side of the bottom surface of the rear concrete edge trim strip.

[0019] Furthermore, the left concrete edge trim, the right concrete edge trim, the front concrete edge trim, and the rear concrete edge trim are all C20 fine aggregate concrete edge trims.

[0020] More preferably, the protective structure for the opening of the post-cast strip in the floor slab also includes a waterproof coating layer, which is horizontally applied to the top surface of the protective cover plate.

[0021] Furthermore, the waterproof coating layer is a polyurethane waterproof coating layer.

[0022] More preferably, the protective structure for the opening of the post-cast strip in the floor slab also includes a waterproof membrane layer, which is laid on the top surface of the protective cover plate.

[0023] The main beneficial effects of this utility model are as follows:

[0024] 1. The protective structure for the post-cast strip opening of the floor slab of this utility model includes the post-cast strip opening of the floor slab and a protective cover plate. The post-cast strip opening of the floor slab is set horizontally and along the front-to-back direction. The protective cover plate includes cover plate units, which are set horizontally and along the left-to-right direction. The cover plate units are precast concrete cover plates. The left and right ends of the cover plate units are respectively placed on the left and right floor slabs of the post-cast strip opening of the floor slab. There are multiple cover plate units, which are arranged sequentially from front to back. Therefore, they are not easy to move or be damaged during use, avoiding safety hazards, reducing usage costs, and are suitable for large-scale promotion and application.

[0025] 2. The protective structure for the post-cast strip opening of the floor slab of this utility model includes the post-cast strip opening of the floor slab and a protective cover plate. The post-cast strip opening of the floor slab is set horizontally and along the front-to-back direction. The protective cover plate includes cover plate units, which are set horizontally and along the left-to-right direction. The cover plate units are precast concrete cover plates. The left and right ends of the cover plate units are respectively placed on the left and right floor slabs of the post-cast strip opening of the floor slab. There are multiple cover plate units, which are arranged sequentially from front to back. Therefore, its design is ingenious, its structure is simple, its construction is convenient, its construction cost is low, and it is suitable for large-scale promotion and application.

[0026] These and other objects, features and advantages of this utility model will be fully apparent from the following detailed description and drawings, and can be achieved by the means, devices and combinations thereof specifically pointed out in the description of the utility model. Attached Figure Description

[0027] Figure 1 This is a partial front sectional view of a specific embodiment of the protective structure for the opening of the post-cast strip in the floor slab according to this utility model.

[0028] Figure 2 yes Figure 1 The schematic diagram shows a front sectional view of the components of the protective cover plate, the left concrete edge strip, the right concrete edge strip, and the waterproof coating layer in a specific embodiment.

[0029] Figure 3 yes Figure 1 A top view of the cover plate unit of the specific embodiment shown.

[0030] (Explanation of reference numerals in the attached image)

[0031] 1. Opening of the post-cast strip in the floor slab;

[0032] 2. Protective cover plate; 21. Cover plate unit; 211. Through hole;

[0033] 3. Left concrete edge trim; 4. Right concrete edge trim; 5. Waterproof coating layer;

[0034] 6. Left side floor slab; 7. Right side floor slab. Detailed Implementation

[0035] In order to better understand the technical content of this utility model, the following embodiments are provided for detailed description.

[0036] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] Please see Figures 1-3 As shown, in a specific embodiment of this utility model, the protective structure for the post-cast strip opening in the floor slab includes a post-cast strip opening 1 and a protective cover plate 2, wherein:

[0038] The post-cast strip opening 1 of the floor slab is set horizontally and along the front-to-back direction;

[0039] The protective cover plate 2 includes a cover plate unit 21, which is horizontally arranged and arranged in the left and right directions. The cover plate unit 21 is a precast concrete cover plate. The left end and the right end of the cover plate unit 21 are respectively placed on the left floor slab 6 and the right floor slab 7 of the post-cast strip opening 1 of the floor slab.

[0040] The number of cover plate units 21 is multiple, and the multiple cover plate units 21 are arranged sequentially from front to back.

[0041] The cover plate unit 21 can have any suitable shape, please refer to Figure 3 As shown, in a specific embodiment of this utility model, the cover plate unit 21 is a square cover plate unit.

[0042] The number of cover plate units 21 can be determined as needed. The term "multiple units" refers to two or more units. In a specific embodiment of this utility model, the number of cover plate units 21 is five units.

[0043] To facilitate the passage of pipes or other pipelines, preferably, at least one of the cover plate units 21 has a vertically oriented through hole 211 in its center. In a specific embodiment of this utility model, one of the cover plate units 21 has a vertically oriented through hole 211 in its center.

[0044] The through hole 211 can have any suitable shape, please refer to Figure 3 As shown, in a specific embodiment of this utility model, the through hole 211 is a circular through hole.

[0045] The multiple cover plate units 21 can be arranged to abut against each other or to be spaced apart. In a specific embodiment of this utility model, the multiple cover plate units 21 are arranged to be spaced apart. The protective cover plate 2 also includes a connecting part. The connecting part is located between two adjacent cover plate units 21 and connects the two adjacent cover plate units 21 respectively. The front side of the foremost cover plate unit and the rear side of the last cover plate unit rest on the front and rear floor slabs of the post-pouring strip opening 1 of the floor slab respectively.

[0046] The connecting part can be made of any suitable material. In a specific embodiment of this utility model, the connecting part is a concrete connecting part.

[0047] The protective structure for the opening of the post-cast strip in the floor slab may also include any other suitable components. Please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the protective structure for the post-cast strip opening in the floor slab further includes a left concrete edge trim 3, a right concrete edge trim 4, a front concrete edge trim (not shown in the figure), and a rear concrete edge trim (not shown in the figure), wherein:

[0048] The left concrete edge trim 3 is horizontally arranged and along the front-back direction. The right side of the left concrete edge trim 3 is located to the left of the left side of the protective cover plate 2 and is connected to the left side of the protective cover plate 2. The bottom surface of the left concrete edge trim 3 is flush with the bottom surface of the protective cover plate 2 and is arranged on the left floor slab 6. The left side of the left concrete edge trim 3 is a left arc-shaped side. The left arc-shaped side is arranged along the front-back direction and extends downward and to the left arc-shaped side from the top side of the right side of the left concrete edge trim 3 and is connected to the left side of the bottom surface of the left concrete edge trim 3.

[0049] The right concrete edge trim 4 is horizontally arranged and along the front-back direction. The left side of the right concrete edge trim 4 is located to the right of the right side of the protective cover plate 2 and is connected to the right side of the protective cover plate 2. The bottom surface of the right concrete edge trim 4 is flush with the bottom surface of the protective cover plate 2 and is arranged on the right side floor slab 7. The right side of the right concrete edge trim 4 is a right arc-shaped side. The right arc-shaped side is arranged along the front-back direction and extends downward and to the right arc-shaped side from the top side of the left side of the right concrete edge trim 4 and is connected to the right side of the bottom surface of the right concrete edge trim 4.

[0050] The front concrete edge trim strip is horizontally arranged and along the left-right direction. The rear side of the front concrete edge trim strip is located in front of the front side of the protective cover plate 2 and connected to the front side of the protective cover plate 2. The bottom surface of the front concrete edge trim strip is flush with the bottom surface of the protective cover plate 2 and is arranged on the front floor slab. The front side of the front concrete edge trim strip is a front arc-shaped side. The front arc-shaped side is arranged along the left-right direction and extends downward and forward in an arc shape from the top side of the rear side of the front concrete edge trim strip and connects to the front side of the bottom surface of the front concrete edge trim strip.

[0051] The rear concrete edge trim strip is horizontally arranged along the left-right direction. The front side of the rear concrete edge trim strip is located behind and connected to the rear side of the protective cover plate 2. The bottom surface of the rear concrete edge trim strip is flush with the bottom surface of the protective cover plate 2 and is arranged on the rear floor slab. The rear side of the rear concrete edge trim strip is a rear arc-shaped side. The rear arc-shaped side is arranged along the left-right direction and extends downward and backward in an arc from the top side of the front side of the rear concrete edge trim strip, connecting to the rear side of the bottom surface of the rear concrete edge trim strip.

[0052] The left concrete edge trim 3, the right concrete edge trim 4, the front concrete edge trim, and the rear concrete edge trim can be concrete edge trims of any suitable material. In a specific embodiment of this utility model, the left concrete edge trim 3, the right concrete edge trim 4, the front concrete edge trim, and the rear concrete edge trim are all C20 fine aggregate concrete edge trims.

[0053] The protective structure for the opening of the post-cast strip in the floor slab may also include any other suitable components. Please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the protective structure for the post-cast strip opening of the floor slab further includes a waterproof coating layer 5, which is horizontally applied to the top surface of the protective cover plate 2.

[0054] The waterproof coating layer 5 can be any suitable material. In a specific embodiment of this utility model, the waterproof coating layer 5 is a polyurethane waterproof coating layer.

[0055] The protective structure for the opening of the post-cast strip in the floor slab may also include any other suitable components. In another specific embodiment of the present invention, the protective structure for the opening of the post-cast strip in the floor slab further includes a waterproof membrane layer, which is laid on the top surface of the protective cover plate 2.

[0056] During construction, the cover plate unit 21 of this utility model can be directly fabricated on-site using waste concrete and waste steel bars (the cover plate unit 21 contains steel bars). Its size can be adjusted according to the width of the post-cast strip opening 1 in the floor slab. After the concrete strength meets the requirements, it is directly placed on the left side floor slab 6 and right side floor slab 7 of the post-cast strip opening 1. By covering the post-cast strip opening 1 with multiple cover plate units 21, the post-cast strip opening 1 of the floor slab is protected.

[0057] If there are pipes or other pipelines that need to be placed in the basement, a cover plate unit 21 with a through hole 211 in the middle can be used to meet the needs of pipes or other pipelines going down to the basement.

[0058] Preferably, multiple cover plate units 21 are arranged at intervals between each other. The multiple cover plate units 21 can be connected by, for example, pouring concrete. The front side of the foremost cover plate unit 21 and the rear side of the last cover plate unit 21 can be placed on the front and rear floor slabs of the post-cast strip opening 1, respectively. Waterproof coating or waterproof membrane can be added to the top surface of the protective cover plate 2. The left and right sides and the front and rear sides of the protective cover plate 2 can be edged with concrete to further prevent rainwater from entering the basement.

[0059] Therefore, the protective cover plate of this utility model adopts a precast concrete cover plate, which can be directly placed on the left and right sides of the floor slab after the pouring strip opening. In the location where pipelines or other pipelines need to go down to the basement, a precast concrete cover plate with a through hole in the middle can be used. It is easy to install, flexible to use, and can be reused. It is suitable for floor slab after pouring strip openings of different widths and different floor slab thicknesses, thus improving both economy and safety.

[0060] In summary, the protective structure for the post-cast strip opening of the floor slab of this utility model is not easily moved or damaged during use, avoids safety hazards, reduces usage costs, has an ingenious design, simple structure, is easy to manufacture, has low manufacturing cost, and is suitable for large-scale promotion and application.

[0061] Therefore, it is evident that the objective of this utility model has been fully and effectively achieved. The function and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the stated principles, any modifications can be made to the implementation methods. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.

Claims

1. A protective structure for a post-cast strip opening in a floor slab, comprising a post-cast strip opening in the floor slab, wherein the post-cast strip opening is horizontally arranged and arranged along the front-to-back direction, characterized in that, The protective structure for the post-cast strip opening in the floor slab also includes a protective cover plate, wherein: The protective cover plate includes a cover plate unit, which is horizontally arranged and arranged in the left-right direction. The cover plate unit is a precast concrete cover plate, and the left and right ends of the cover plate unit rest on the left and right floor slabs of the post-cast strip opening of the floor slab, respectively. The number of cover plate units is multiple, and the multiple cover plate units are arranged sequentially from front to back.

2. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 1, characterized in that, The cover plate unit is a square cover plate unit.

3. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 1, characterized in that, At least one of the cover plate units has a through hole vertically provided in the middle.

4. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 1, characterized in that, The multiple cover plate units are arranged at intervals between each other. The protective cover plate also includes a connecting part, which is located between two adjacent cover plate units and connects the two adjacent cover plate units respectively. The front side of the foremost cover plate unit and the rear side of the last cover plate unit rest on the front and rear floor slabs of the post-pouring strip opening of the floor slab respectively.

5. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 4, characterized in that, The connection part is a concrete connection part.

6. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 4, characterized in that, The protective structure for the post-cast strip opening in the floor slab also includes a left concrete edge trim, a right concrete edge trim, a front concrete edge trim, and a rear concrete edge trim, wherein: The left concrete edge trim strip is horizontally arranged along the front-back direction. The right side of the left concrete edge trim strip is located to the left of the left side of the protective cover plate and is connected to the left side of the protective cover plate. The bottom surface of the left concrete edge trim strip is flush with the bottom surface of the protective cover plate and is arranged on the left floor slab. The left side of the left concrete edge trim strip is a left arc-shaped side surface. The left arc-shaped side surface is arranged along the front-back direction and extends downward and to the left arc-shaped side from the top side of the right side of the left concrete edge trim strip and is connected to the left side of the bottom surface of the left concrete edge trim strip. The right concrete edge trim strip is horizontally arranged and along the front-back direction. The left side of the right concrete edge trim strip is located to the right of the right side of the protective cover plate and is connected to the right side of the protective cover plate. The bottom surface of the right concrete edge trim strip is flush with the bottom surface of the protective cover plate and is arranged on the right side floor slab. The right side of the right concrete edge trim strip is a right arc-shaped side surface. The right arc-shaped side surface is arranged along the front-back direction and extends downward and to the right arc-shaped side surface from the top side of the left side of the right concrete edge trim strip and is connected to the right side of the bottom surface of the right concrete edge trim strip. The front concrete edge trim strip is horizontally arranged and along the left-right direction. The rear side of the front concrete edge trim strip is located in front of the front side of the protective cover plate and connected to the front side of the protective cover plate. The bottom surface of the front concrete edge trim strip is flush with the bottom surface of the protective cover plate and is arranged on the front floor slab. The front side of the front concrete edge trim strip is a front arc-shaped side. The front arc-shaped side is arranged along the left-right direction and extends downward and forward in an arc shape from the top side of the rear side of the front concrete edge trim strip and connects to the front side of the bottom surface of the front concrete edge trim strip. The rear concrete edge trim strip is horizontally arranged along the left-right direction. The front side of the rear concrete edge trim strip is located behind and connected to the rear side of the protective cover plate. The bottom surface of the rear concrete edge trim strip is flush with the bottom surface of the protective cover plate and is arranged on the rear floor slab. The rear side of the rear concrete edge trim strip is a rear arc-shaped side. The rear arc-shaped side is arranged along the left-right direction and extends downward and backward in an arc from the top side of the front side of the rear concrete edge trim strip, connecting to the rear side of the bottom surface of the rear concrete edge trim strip.

7. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 6, characterized in that, The left concrete edge trim, the right concrete edge trim, the front concrete edge trim, and the rear concrete edge trim are all C20 fine aggregate concrete edge trims.

8. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 4, characterized in that, The protective structure for the opening of the post-cast strip in the floor slab also includes a waterproof coating layer, which is horizontally applied to the top surface of the protective cover plate.

9. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 8, characterized in that, The waterproof coating layer is a polyurethane waterproof coating layer.

10. The protective structure for the opening of the post-cast strip in the floor slab as described in claim 4, characterized in that, The protective structure for the opening of the post-cast strip in the floor slab also includes a waterproof membrane layer, which is laid on the top surface of the protective cover plate.

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