The medium buried rubber waterstop is used in buildings and is mainly used in the permanent deformation joints that must be set up when the concrete is poured in situ, such as canals, tunnel outlets, water retaining dams, water conveyance aqueducts, underground waterproof joints, aircraft runways, water and sewage storage, sewage pools, underground works, large water conservancy projects, etc.
The medium buried rubber waterstop is a new generation of waterproof material, which is molded by plasticizing, mixing and pressing neoprene rubber as the main raw material with various additives and fillers. The medium buried rubber waterstop is a new type of rubber waterstop, which is suitable for many large construction fields, especially when the water pressure is high and the structural deformation is large. For the use of ordinary rubber waterstop, when the structure deformation is large, the rubber waterstop will stretch and thin its transverse section with the settlement of the structure. When it exceeds its fatigue deformation limit, it is likely to form a new leakage gap. When the steel edge rubber waterstop is used, the steel edges on both sides are strongly bonded to the surrounding concrete structure, and the steel edges and rubber are firmly bonded to each other. When the structure is deformed, only the rubber part is stretched and thinned, and there will be no new leakage gap between the steel edge and the concrete, or between the steel edge and the rubber. Therefore, the use of steel edge rubber waterstop enhances the anti-seepage performance of the structure during deformation, and plays an important role in ensuring the anti-seepage and water stop of the entire project.

The medium buried rubber waterstop is a kind of waterstop product mainly used in concrete deformation joints, expansion joints and other concrete internal settings, which has the ability to adapt to concrete expansion and deformation with rubber material elasticity and structural form. This product uses the high elasticity and compression deformation of rubber to produce elastic deformation under various loads, thus playing a fastening and sealing role to effectively prevent water leakage and seepage of building components, and playing a role of shock absorption and buffering, which can ensure the service life of engineering buildings.
There are two methods for the joint of buried rubber waterstop: one is to use adhesive for cold joint, and the other is to use hot vulcanization mold for hot joint.
Cold bonding of adhesive is to use special cold bonding glue for rubber waterstop, use lapping method to smooth the section of waterstop requiring joint by 5~10cm with a polishing machine, and then apply glue for compaction. It has the advantages of high strength, fast solidification, convenient construction, time-saving and labor saving, and can meet the general engineering quality requirements.
The joint of on-site hot vulcanization method is to use the hot vulcanization mold matching with the waterstop and the raw rubber for on-site vulcanization and hot joint. The construction is difficult, but the joint effect is ideal, and it is suitable for projects with strict requirements on project quality.

Chongqing Yiqiao Rubber and Plastic Products Co., Ltd., located in Qingmuguan Town, Shapingba District, Chongqing, is a comprehensive enterprise specializing in the production and sales of waterproof, geotechnical and other engineering materials. It has tunnel corrugated pipes, waterstops, waterproof boards, geotextile, geomembrane, permeable pipes, plastic blind ditches, grouting pipes, caulking sealing materials and other products.
The company has always adhered to the tenet of "science and technology oriented, quality oriented, reputation oriented", kept pace with the times, developed and innovated. The company's products have reliable performance and complete varieties, and are widely used in many key projects such as railways, highways, tunnels, subways, airports, water conservancy, hydropower, sewage treatment, garbage landfill plants, etc. With reasonable price, first-class quality and considerate service, the company is well received by the majority of users and enjoys a good reputation in China.
Company tenet: With keen innovative thinking, simple and practical spirit and exquisite professional technology, we will provide high-quality products and satisfactory services to the society.
Vision: To build a healthy and dynamic enterprise with innovation as the driving force, management as the guarantee and talent as the foundation.

Li Dengshen

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