Is it illegal to dismantle beams with steel bars?

According to the relevant information, the query display is illegal. Beam is the main beam of the building, comparable to the load-bearing wall, and is an important structure to support the building. Its importance can be imagined. The demolition of the beam by the owner without authorization will definitely cause major hidden dangers and the building will be in danger of collapse. This kind of unauthorized demolition and alteration is illegal, and the property and relevant departments should order the owners to immediately rectify and restore to the original state, otherwise they will be investigated for legal responsibility. The above proves that it is illegal to dismantle beams with steel bars.