Function and Principle of Embedded Parts
Embedded parts are metal components pre-embedded in concrete, primarily used to connect concrete with other structures or equipment. Their working principle involves forming a stable connection through adhesion and mechanical interlocking with the concrete. Common embedded parts include bolts, steel plates, and anchor bars. They are positioned before concrete pouring and become part of the overall structure after the concrete hardens.
Common Types of Embedded Parts
Bolt Embedded Parts: Used to fix equipment or steel structures, usually threaded for subsequent installation.
Steel Plate Embedded Parts: Provide a plane for welding or bolting connections, commonly used in beam-column joints.
Anchor Bar Embedded Parts: Transfer tensile force through the bond between the steel bar and concrete, often used for curtain wall fixing.
Sleeve Embedded Parts: Provide pre-drilled holes for later pipe insertion or bolt adjustment.
Key Construction Points
The construction quality of embedded parts directly affects structural safety. First, accurate positioning is crucial, with deviations not exceeding allowable limits; second, reliable fixing is essential to prevent displacement during pouring; finally, proper rust prevention treatment is necessary to ensure durability. Special attention should be paid to compacting the area around the embedded parts during concrete pouring to avoid voids or honeycombing.