Floor type scaffold channel steel hole blocking and leakage preventing structure

Abstract

The floor type scaffold channel steel hole plugging and anti-seepage structure comprises an outer wall with a channel steel hole, a filling layer is used for plugging the channel steel hole, a plugging layer is arranged at the joint of the filling layer and the channel steel hole, and an anti-cracking layer is laid on the plugging layer; the filling layer is filled with concrete containing an expanding agent; the plugging layer is used for plugging an open groove at the joint of the filling layer and the channel steel opening, is V-shaped and is filled with a quick-setting plugging agent; and the anti-crack layer contains a layer of anti-crack mortar of gridding cloth, covers the leaking stoppage layer and extends to the filling layer and the outer wall. According to the plugging anti-seepage structure, the filling layer and the original wall body are tightly filled by filling the channel steel opening with the filling material and selecting the filling material, and plugging and seepage prevention of the channel steel opening are achieved in combination with the waterproof structure.

Description

Technical Field

[0001] The present application relates to the technical field of building waterproofing, and particularly to a leakage prevention structure for plugging the channel steel holes of a floor-standing scaffold. Background Art

[0002] During the construction of the exterior facade, if a floor-standing scaffold is used, there will be a rigid isolation layer composed of stressed I-beams, protective plates, safety nets, and wall connection components every 5 - 6 floors. During the demolition of the exterior facade, especially during the demolition of the rigid protective layer, after the channel steel layer connected to the wall structure is removed, channel steel holes will be left. For such holes, the common on-site treatment method is to fill the holes with bricks and conceal the surface of the bricks with waterproof mortar. This treatment method will cause serious leakage problems in this area later, and the leakage rate reaches more than 90%. Patent CN213014735U discloses a bolt hole leakage prevention plugging structure, where the hole is plugged with a polyethylene foam rod, and the exterior wall is waterproofed with wedge-shaped pressing blocks and waterproof coiled materials, which is suitable for plugging and anti-seepage of holes with small hole areas.

[0003] Therefore, the purpose of the present application is to provide a leakage prevention structure for plugging the channel steel holes left over from the removal of the rigid isolation layer of the floor-standing scaffold, so as to realize the plugging and waterproof functions of the channel steel holes. Utility Model Content

[0004] The purpose of the present application is to provide a leakage prevention structure for plugging the channel steel holes of a floor-standing scaffold, which realizes the plugging and waterproof functions of the channel steel holes through the combination of filling with materials and a waterproof structure. The present application adopts the following technical solutions:

[0005] A leakage prevention structure for plugging the channel steel holes of a floor-standing scaffold, including an exterior wall with a channel steel hole, characterized in that a filling layer plugs the channel steel hole, a leak stoppage layer is arranged at the junction of the filling layer and the channel steel hole, and an anti-cracking layer is laid on the leak stoppage layer.

[0006] Further, the filling layer is filled with concrete containing an expansive agent.

[0007] Furthermore, the content of the expansive agent is 10 - 12%.

[0008] Further, the leak stoppage layer plugs the groove at the junction of the filling layer and the channel steel hole.

[0009] Furthermore, the leak stoppage layer is V-shaped.

[0010] Furthermore, the leak stoppage layer is a quick-setting leak stoppage king.

[0011] Further, the anti-cracking layer contains anti-cracking mortar with a layer of fiberglass mesh.

[0012] Furthermore, the crack-resistant layer covers the leakage-blocking layer and extends to the filling layer and the exterior wall.

[0013] Beneficial effects: In the plugging and anti-seepage structure of this application, the filling layer is tightly filled with the original wall through the filling of the channel steel opening with materials and the selection of the filling materials, and the plugging and anti-seepage of the channel steel opening are realized in combination with the waterproof structure. Description of the Drawings

[0014] Figure 1 It is a schematic cross-sectional view of the plugging and anti-seepage structure for the channel steel opening;

[0015] Figure 2 It is a schematic view of the plugging and anti-seepage structure for the channel steel opening. Specific Embodiments

[0016] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings of the present application. Obviously, the embodiments described in the present application are only partial embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application. The plugging and anti-seepage structure for the channel steel opening of the floor-standing scaffolding in the present application will be further described below in conjunction with the drawings.

[0017] As Figure 1 shown, a plugging and anti-seepage structure for the channel steel opening of a floor-standing scaffolding includes an exterior wall 1 with a channel steel opening 11, a filling layer 3 plugs the channel steel opening 11, a leakage-blocking layer 4 is provided at the junction of the filling layer 3 and the channel steel opening 11, and a crack-resistant layer 5 is laid on the leakage-blocking layer 4.

[0018] After the channel steel is removed, the side walls around the channel steel opening 11 are cleaned; formwork is supported on both the inner and outer sides of the opening, and a reserved hole 21 is provided at the upper end of the inner formwork 2. As Figure 2 shown, a grouting nozzle is inserted into the hole 21 for concrete pouring. In the embodiment, the filling layer 3 is filled with concrete containing an expansive agent. According to the amount of the expansive agent added and the grade of the concrete used for filling in the "Technical Specification for Application of Concrete Expansive Agent GBJ50119 - 2003", in order to make the joint between the newly poured concrete and the surrounding original wall tight, the content of the expansive agent is 10 - 12%. In the embodiment, concrete with a grade of C30 is used, and the content of the expansive agent is 10%. After the concrete reaches the strength, the formwork 2 is removed and cured.

[0019] The old and new concrete at the junction of the filling layer 3 and the channel steel opening 11 is chiseled and grooved. The leakage-blocking layer 4 plugs the groove at the junction of the filling layer 3 and the channel steel opening 11. When the groove is a V-shaped groove, the leakage-blocking layer 4 is V-shaped. As Figure 1As shown, clean the inside of the groove, sprinkle water to moisten it. In the embodiment, the leakage plugging layer 4 is a quick-setting leakage plugging king, and it is filled and compacted with the quick-setting leakage plugging king.

[0020] To prevent cracking between the leakage plugging layer 4 and the concrete in the later stage, a crack-resistant layer 5 is laid on the leakage plugging layer 4, such as Figure 2 As shown, the crack-resistant layer 5 contains a crack-resistant mortar with a grid cloth. The crack-resistant layer 5 covers the leakage plugging layer 4 and extends to the filling layer 3 and the exterior wall 1.

[0021] The above-mentioned structure for plugging and preventing leakage of the channel steel opening of the floor-standing scaffold realizes the plugging and prevention of leakage of the opening left after the removal of the channel steel of the hard isolation layer of the floor-standing scaffold.

Claims

1. A ground-type scaffolding channel steel hole plugging and anti-leakage structure, comprising an outer wall (1) having a channel steel hole (11), characterized in that: The filling layer (3) seals the channel steel opening (11), a leak-proof layer (4) is provided at the junction of the filling layer (3) and the channel steel opening (11), and an anti-cracking layer (5) is laid on the leak-proof layer (4); The filling layer (3) is filled with concrete containing an expansion agent; The plugging layer (4) plugs the groove at the junction of the filling layer (3) and the channel steel opening (11); The plugging layer (4) is V-shaped; The plugging layer (4) is a quick-setting plugging agent; The anti-cracking layer (5) contains a layer of anti-cracking mortar made of mesh cloth; The anti-cracking layer (5) covers the leak-proof layer (4) and extends to the filling layer (3) and the outer wall (1).

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