Lap joint structure of waterproof roll and waterproof coating

Abstract

The utility model relates to a lap joint structure of a waterproof coiled material and a waterproof coating, which is characterized in that a coiled material lap joint length not less than 200mm is reserved at a brick moulding bed during construction of a bottom plate coiled material in waterproof treatment of a basement outer wall, the lap joint structure comprises a base layer (1), and the lap joint structure is characterized in that the base layer (1) is a waterproof concrete base layer, and a polyurethane waterproof coating (2) is arranged on the base layer; a rubber asphalt layer (3) is arranged on the polyurethane waterproof coating, and a waterproof coiled material (4) is arranged on the rubber asphalt layer; wherein the waterproof sealant (5) is arranged on the edge of the waterproof roll to play a sealing role. The lap joint structure of the waterproof coiled material and the waterproof coating has the advantages that the waterproof layer is moderate in thickness, good in fitting performance and good in ductility, a binary creep anti-cracking structure is formed after the lap joint structure is bonded with a base plane, the bonding effect is good, a skin type waterproof layer is formed, the bonding compatibility with various macromolecule coiled material molecules is high, and the waterproof coating is not prone to cracking. Water channeling can be effectively prevented; and the construction is convenient due to the lap joint structure layer of the waterproof coiled material and the waterproof coating.

Description

Technical Field

[0001] The utility model relates to a waterproof coiled material, in particular to a lap joint structure of a waterproof coiled material and a waterproof coating. Background Art

[0002] In building construction projects, various types of coils and coatings are often used as waterproof layers, and leakage prevention is a key control process. When coils are used for raft slabs and coatings are used for basement exterior walls, the overlap is difficult to handle due to the different forms of the two materials. In addition, since some polymer coils have a hard texture and a smooth surface, it is difficult to closely combine with the coating when overlapping. The overlap is prone to leakage, and the waterproof quality of the underground project cannot be guaranteed.

[0003] Therefore, the known overlapping mode of coiled material and coating has the above-mentioned inconveniences and problems. Utility Model Content

[0004] The purpose of the utility model is to provide a safe and reliable overlapping structure of waterproof coiled material and waterproof coating.

[0005] To achieve the above purpose, the technical solution of the utility model is:

[0006] A lap joint structure of waterproof coiled material and waterproof coating, in the waterproof treatment of the basement exterior wall, when the bottom plate coiled material is constructed, a coiled material lap length of not less than 200mm is reserved at the brick mold, including the base layer, characterized in that:

[0007] The base layer is a waterproof concrete base layer, a polyurethane waterproof coating is arranged on the base layer, a rubber asphalt layer is arranged on the polyurethane waterproof coating, and a waterproof roll material is arranged on the rubber asphalt layer;

[0008] Wherein: the waterproof sealant is arranged on the edge of the waterproof roll material to play a sealing role.

[0009] The overlapping structure of the waterproof coiled material and the waterproof coating of the utility model can also be further realized by adopting the following technical measures.

[0010] The aforementioned overlapping structure of waterproof coiled material and waterproof coating, wherein the thickness of the polyurethane waterproof coating is ≥1.5mm.

[0011] The aforementioned overlapping structure of waterproof coiled material and waterproof coating, wherein the rubber asphalt is non-cured rubber asphalt in a molten state.

[0012] After adopting the above technical solution, the overlapping structure of the waterproof coiled material and the waterproof coating of the utility model has the following advantages:

[0013] 1. The waterproof layer has moderate thickness, good conformability, and good ductility. After bonding with the base surface, it forms a binary creep crack resistance structure;

[0014] 2. The bonding effect is good, forming a skin-like waterproof layer, which has high molecular bonding compatibility with various polymer coils and can effectively prevent water leakage;

[0015] 3. The overlapping structural layer of waterproof membrane and waterproof coating is convenient for construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of a waterproof connection structure between a raft and a side wall according to an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of another waterproof connection structure between a raft and a side wall according to an embodiment of the utility model.

[0018] In the figure: 1 base layer, 2 polyurethane waterproof coating, 3 non-curing rubber asphalt coating, 4 waterproof membrane, 5 waterproof sealant. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the embodiments and the accompanying drawings. Example

[0020] Please refer to Figure 1-2 The utility model of the overlapping structure of the waterproofing coiled material and the waterproofing coating, in the waterproofing treatment of the basement exterior wall, when the bottom plate coiled material is constructed, a coiled material overlapping length of not less than 200mm is reserved at the brick formwork, including the base layer 1.

[0021] The base layer 1 is a waterproof concrete base layer, on which a 1.5 thick polyurethane waterproof coating 2 is arranged, on which a non-curing rubber asphalt coating 3 layers are arranged, and on which a polymer waterproofing membrane 4 is arranged;

[0022] Wherein: the waterproof sealing paste 5 is arranged on the edge of the waterproof coiled material to play a sealing role. Example

[0023] The construction method of the overlapping structure of the waterproof coiled material and the waterproof coating of the utility model:

[0024] In the waterproof treatment of the basement exterior wall, when the floor sheet is constructed, a sheet overlap length of not less than 200mm is reserved at the brick formwork (bricks or templates are required to protect the finished product). After the exterior wall base is treated, the debris on the reserved sheet is cleaned up, and the polyurethane coating can be applied after the hidden acceptance. The polyurethane is applied to the brick formwork. After the polyurethane reaches the designed thickness and is completely dry, the molten non-curing rubber asphalt is applied to the polymer sheet with a width of not less than 200mm, and then the sheet is pasted to the polyurethane surface layer. Use waterproof sealant to seal the edge of the sheet.

[0025] The utility model has substantial characteristics and significant technical progress. Compared with the traditional direct mechanical fixation, the overlapping structure of the waterproof coiled material and the waterproof coating of the utility model adds a layer of non-curing rubber asphalt waterproof coating, which can be used as an adhesive to stick the coiled material and also as a waterproof coating to form a composite waterproof layer; the waterproof layer is of moderate thickness, has good conformability, and has good ductility, and forms a binary creep crack resistance structure after bonding with the base surface. The coiled material does not need to be fixed by mechanical punching, reducing the risk of leakage. The bonding effect is good, forming a skin-type waterproof layer, which has a high degree of compatibility with various types of polymer coiled material molecules and can effectively prevent water leakage. Compared with other overlapping methods, it is more convenient for construction.

[0026] The above embodiments are only for the purpose of illustrating the present invention, but not for limiting the present invention. A person skilled in the relevant technical field may make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also belong to the scope of the present invention and should be defined by the claims.

Claims

1. A waterproofing coiled material and waterproofing coating overlap structure, in the waterproofing treatment of the basement exterior wall, when the bottom plate coiled material is constructed, a coiled material overlap length of not less than 200 mm is reserved at the brick formwork, including a base layer (1), characterized in that: The base layer (1) is a waterproof concrete base layer, a polyurethane waterproof coating (2) is provided on the base layer, a rubber asphalt (3) layer is provided on the polyurethane waterproof coating, and a waterproof roll material (4) is provided on the rubber asphalt layer; Wherein: the waterproof sealing paste (5) is arranged on the edge of the waterproof coiled material to play a sealing role.

2. The overlapping structure of waterproof coiled material and waterproof coating according to claim 1, characterized in that: The thickness of the polyurethane waterproof coating is ≥1.5 mm.

3. The overlapping structure of waterproof coiled material and waterproof coating according to claim 1, characterized in that: The rubber asphalt is a non-solidified rubber asphalt in a molten state.

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