What do rigid connection and flexible connection mean in architecture?

Rigid connection in construction refers to the pipe connection mode in which the hot melt adhesive on the inner surface of the heat shrinkable tube (belt) is bonded to the outer surface of the pipe by flame heating, and the heat shrinkable tube (belt) is cooled and solidified to form a constant wrapping force.

Flexible connection is also called flexible connection and flexible connection. A connection mode that allows the axial expansion, contraction and rotation of the connecting parts and a certain amount of vertical axial displacement. The connection mode adopts elastic joints such as rubber joints and corrugated pipes, pipes with special structures and flexible fillers. It can isolate vibration and reduce noise, prevent displacement from damaging pipelines and adjust installation errors.

Wall-connected parts generally refer to components that strengthen the stability of other structures through reliable fixed-end connections. In building engineering, they are used to connect scaffolding and the main structure of buildings, and can transmit tension and pressure. The wall-attached connection realized by wall-connected parts plays an important role in strengthening the overall stability of scaffolding, improving its stable bearing capacity and avoiding major accidents such as dumping or collapse.