Corporate News

The comb plate bridge expansion joint is a bridge expansion device with comb shaped steel plate structure, which is mainly used to adjust the bridge expansion deformation caused by temperature changes, load action and other factors, so as to ensure traffic smoothness and structural safety.? The structure is mainly composed of comb shaped steel plate, stainless steel sliding plate, neoprene plate and other parts. The comb shaped steel plate realizes expansion and contraction adjustment by engaging the teeth and slots, and the stainless steel sliding plate and the rubber plate cooperate to seal and prevent dust.? The installation method adopts bolt free anchoring installation technology, and the prefabricated reinforcement cage is welded with the embedded reinforcement of the bridge to simplify the construction process. During installation, it shall be hoisted to the reserved notch, and the anchor bolt and steel shall be used ..

2025/07/11 08:48:57

1、 The basic concept and structure of the steel edge waterstop is a waterproof sealing belt made of rubber or elastic materials, usually with steel edges on one or both sides of the belt. Its core function is to prevent groundwater seepage and prevent water pressure from eroding the structure. The addition of steel edges not only enhances the overall rigidity of the waterstop, but also improves its durability and construction convenience. Generally speaking, steel edge waterstop consists of the following parts: main elastic sealing materials, steel edge structure and necessary connecting devices. The main elastic materials are mostly high-performance rubber or polymer materials with good elasticity and aging resistance ..

2025/07/10 09:35:59

Putty type water swelling waterstop is a new type of waterproof material, which is made of polymer material and rubber. It can expand and fill the gap after encountering water, forming an impermeable gel, and is mainly used to solve the leakage problem of concrete construction joints.? Core features? Swell when encountering water? : After absorbing water, the volume expands 2-3 times, closely fills the gap and generates contact pressure, blocking the seepage channel.?? Self adhesive? : Some products can be directly bonded to the concrete surface without additional adhesive.?? Corrosion resistance? : Suitable for underground, tunnel and other humid environments, acid and alkali resistant, and anti-aging.?? Convenient construction? : Keep the base surface dry during installation ..

2025/07/09 08:30:37

The grouting pipe expansion waterstop is a kind of waterproof material used for concrete construction joints, expansion joints and other parts. It can form impermeable colloid through expansion when meeting water to achieve the water stop effect.? Core features? Material composition? : With special rubber, inorganic absorbent material and high viscosity resin as raw materials, the volume expansion rate can reach 220% - 300% after encountering water, forming a sealed structure.?? Grouting pipe design? : The built-in grouting pipe can inject grout to repair leakage, enhance waterproof reliability, and is suitable for dynamic deformation joints or leaky projects.?? Expansion characteristics? : Slow expansion design (expansion rate ≤ 50% after 186 hours immersion), long-term stability ..

2025/07/08 10:48:54

Back stick rubber waterstop (also known as external stick waterstop) is a waterproof material installed outside the deformation joint or construction joint of the concrete structure. It adapts to the structural expansion through the elastic deformation of the rubber material to prevent water infiltration.? The core performance is made of high elastic rubber, with aging resistance, acid and alkali resistance, tear resistance, and operating temperature range of - 45 ℃~60 ℃. Its tightness is achieved by closely fitting with the concrete, which can effectively block moisture penetration and adapt to the small deformation of the building structure.? Applicable scenarios are mainly used for: waterproof engineering water conservancy projects such as beams, walls and columns of underground garages, tunnels, pools and other buildings in humid environment ..

2025/07/08 08:31:07

Type 651 rubber waterstop is a kind of medium buried waterstop. There are three protruding ridges on both sides of the central hole. It is made of natural rubber or synthetic rubber. It has the characteristics of high elasticity, aging resistance, good sealing, etc. It is widely used in waterproofing of basements, tunnels, bridges and other projects.? The structure features high-quality natural rubber or synthetic rubber, corrosion resistance, aging relief and long service life.? There are 3 waterproof lines on both sides of the central hole, which can adapt to the concrete deformation and ensure the sealing effect.? During installation, it shall be fixed at the construction joint or deformation joint to bear the pressure together with the concrete structure.? Application scenarios? Underground works? : such as subway and underground parking ..

2025/07/07 11:56:17

The medium buried rubber waterstop is a waterproof material used in concrete structures, which can prevent water seepage or corrosive substances from eroding the structure through elastic deformation and sealing performance. The following is its core information: specification selection? Width? : usually 150-500mm, common specifications include 300mm × 6mm, 300mm × 8mm, 350mm × 6mm, etc.?? Thickness? : Generally 4-12mm, the specific adjustment shall be based on the water pressure and deformation (for example, the thickness shall be ≥ 5mm when the water pressure is ≤ 4m, and ≥ 6mm when the water pressure is 4-8m).? Applicable scenarios are mainly used for construction joints, post cast strips, settlement joints and expansion joints ..

2025/07/07 08:06:02

PVC plastic waterstop is a sheet anti-seepage material made of PVC resin as the main raw material through mixing, granulating and extrusion processes. It has corrosion resistance, strong durability and elastic deformation capacity, and is widely used in construction joints and deformation joints of concrete projects such as tunnels, culverts, dams, etc.? Core performance? Physical properties? : hardness ≥ 65 Shore A, tensile strength ≥ 12MPa, elongation at break ≥ 300%, tear strength ≥ 25kN/m, brittleness temperature ≤ - 30 ℃.?? Applicable scenarios? : suitable for medium and small tunnels (type 651), large and medium dams (type 652), and face rockfill dams (8

2025/07/04 08:32:13

BF product type water swelling waterstop is a kind of waterproof sealing material based on rubber. After encountering water, it fills the gap of the joint by absorbing water and swelling, forming contact pressure to achieve the water sealing effect. Its expansion rate can reach 150% - 600%, which is suitable for construction, tunnels, water conservancy projects and other scenarios.? Core features? Expandability? : The volume expands 1-5 times after encountering water, actively fills the irregular surface, cavity and gap of the joint, and generates contact pressure to prevent leakage.?? Weather resistance and aging resistance? : resistant to chemical corrosion, slow aging, with a service life of more than 10 years.?? Construction convenience? : Reserved slot can be installed or glued ..

2025/07/03 19:40:17

Polyethylene closed cell foam board, with its unique performance and a variety of application scenarios, has become a new favorite in the construction field. Its L-1100 model and specification are rich to meet different engineering needs. At the same time, the manufacturer strictly follows the specifications and standards to ensure product quality. Next, we will deeply understand some key features of polyethylene closed cell foam board L-1100. ▲ Low density, independent bubble structure Polyethylene closed cell foam board L-1100 has independent bubble structure, low density and high response rate. This special structure makes it excellent in application and can meet different building needs. ▲ Low water absorption ..

2025/07/02 17:30:34