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  Embedded parts (prefabricated embedded parts) are components pre installed (buried) in concealed works It refers to the components and fittings placed during the structural pouring, which are used for the overlapping of the superstructure
To facilitate the installation and fixation of external engineering equipment foundation
Most of the embedded parts are made of metal, such as steel bar or cast iron, or non-metallic rigid materials such as wood and plastic
Embedded parts are components with steel plates and anchor bars reserved in the structure, which are used to connect structural components or non structural components for fixed purposes
For example, it is used to fix the connectors for the post process (such as doors, windows, curtain walls, water pipes, gas pipes, etc
)
There are many connections between concrete structure and steel structure
Technical measures for embedded parts: 1
Before the installation of embedded bolts and embedded parts, technicians shall make a detailed disclosure to the construction team, and check the specification, quantity and diameter of bolts and embedded parts
2
When pouring concrete, the vibrating rod shall not collide with the fixed frame, and it is not allowed to pour concrete against bolts and embedded parts
3
After the completion of concrete pouring, the actual value and deviation of bolts shall be re measured in time, and records shall be made
Measures shall be taken to adjust those exceeding the allowable deviation until the design requirements are met
4
To prevent pollution or corrosion, the nuts of foundation bolts shall be wrapped with oil or other materials before and after concrete pouring
5
Before concrete pouring, the bolts and embedded parts shall be inspected and accepted by the supervisor and quality personnel, and the concrete can be poured only after they are confirmed to be qualified and signed
Keep the measurement task list and measurement result records