Taizhou Cast Iron Drain Pipe - Bridge Rectangular Drain Pipe Usage Method

Description :

　　Taizhou Cast Iron Drain Pipe - Bridge Rectangular Drain Pipe Usage Method Bridge Drainage Pipe Construction and Installation Technology: The reserved hole mold for the drainage pipe is installed on the template fixed by the prefabricated beam combination; Pouring concrete, removing formwork, dismantling drainage pipes, leaving hole formwork; Preparation of drainage pipe: Stretch the water swelling rubber waterstop into a strip shape, start from the upper opening of the drainage pipe, wrap the strip shaped water swelling rubber waterstop at a position equal to the thickness of the reserved hole, wrap the drainage pipe under the water swelling rubber waterstop, and apply anti-corrosion coating; Installation of fixed drainage pipe: Install the drainage pipe wrapped with water swelling rubber waterstop into the reserved hole of the drainage pipe, and ensure that the pipe mouth of the drainage pipe is level with the beam surface; Preparation and pouring of grouting materials: Add the measured water and grouting materials into the mixing ash bucket and stir evenly. The ratio of water to grouting materials is 0.18-0.22; Pour the prepared grouting material into the cavity formed by the drainage pipe and the reserved hole of the drainage pipe, with the grouting material lower than the upper opening of the drainage pipe; Application of polysulfide building sealant: The strength of the grouting material injected should be above 22 MPa.

　　The purpose of cast iron drain pipe

　　1. Vertical and horizontal drainage on the back of various retaining walls and side ditches on highways;

　　2. Drainage of tunnels and underground passages;

　　3. Water supply and drainage for municipal engineering, water treatment plants, sewage treatment plants, garbage dumps, etc;

　　4. Drainage of rest green spaces such as golf courses, sports fields, and parks;

　　5. Soil and water conservation for slope development in mountainous areas;

AfterSalesService :

• Taizhou cast iron drain pipe