The main performance of waterproofing baffle

　　Flood protection baffle is an important facility in flood prevention and flood prevention engineering, its main function is to set in front of the bank or sea wall, and use its wave prevention and wave protection to protect the embankment and the bank from being damaged by the current. Commonly used types are bamboo and wood baffles, concrete baffles, steel baffles and so on.

　　Main performance parameters:1. Erosion resistance. Excellent anti-flooding baffle has strong anti-flooding and anti-fluid erosion performance, can effectively resist the impact of flood and erosion, to ensure the safety of water conservancy projects.

　　2. Tightness. The connection between baffles should be fully sealed to prevent water leakage through the connection and weaken the flood prevention and flooding effect of baffles.

　　3. Fastness. The baffle should be firmly connected with the water conservancy facilities, and it is not easy to deformation, tilt or fall off, so as to produce a stable flood prevention and flooding effect.

　　4. Transparency. The baffle can not completely block the water flow, and the influence on the water flow can be minimized without affecting the flood control and flooding effect.

　　5. Be environmentally friendly. The baffle should be made of environmentally friendly materials, and will not pollute the surrounding environment during its service life.

　　6. Economy. Considering the engineering cost, the material selection and structure of the baffle should have a high cost performance.

　　Key points of construction of waterproofing baffle:1. Select the appropriate baffle height, material and structure according to the span, water depth and flow rate of water conservancy facilities such as river pumping stations.

　　2. The baffle foundation should be firm to prevent the baffle tilt and slide, generally using underwater foundation or pile foundation.

　　3. Solid connection and sealing measures are adopted between baffles, such as bolted connection, welding and underwater asphalt laying.

　　4. The baffle should be effectively connected and anchored with the bank slope or water conservancy facilities, such as the installation of baffle beams and other connectors.

　　5. During the construction of the baffle, temporary flood control revetment should be set up to prevent the safe operation of the flood control project from being affected.

　　6. After the completion of the construction of the baffle, tests should be carried out to test whether its flood prevention and flooding performance is up to standard.

　　7. The service life of the baffle is generally 30-50 years, and it should be maintained and updated regularly.

　　To sum up, the baffle is an important flood control and flood prevention facility for water conservancy and coastal engineering, and the appropriate baffle type should be selected according to the specific project design. In the construction process, it should be carried out in strict accordance with the design and the specifications of relevant departments, focusing on the foundation, connection, anchoring and other contents to ensure the erosion resistance and sealing of the baffle; After the completion of the project, performance testing should be carried out, and regular maintenance should be done to extend the service life and ensure the safety of flood prevention facilities.