What is the maintenance of property main structure?

Property maintenance refers to all kinds of maintenance activities to repair the damage caused by natural factors and human factors, maintain and improve the use function of the property and extend its service life during the whole use process from completion to scrapping. Property maintenance can be divided into broad sense and narrow sense. Property maintenance in a narrow sense only refers to the maintenance and repair of property; Property maintenance in a broad sense includes property maintenance, repair and reconstruction. According to the degree of damage, different degrees of maintenance can ensure the normal use and safety of the property and extend its service life. Property preservation is the continuation and appreciation of simple reproduction of property in circulation field. Maintenance is an important content for property service companies to serve residents, and it is also the basic way to protect urban real estate.

The main part of the project

There are two standards for major project repairs:

1. Roof truss, column, beam, purlin, floor, etc. Hidden dangers should be found when repairing, and those damaged or deformed seriously should be reinforced, reinforced or replaced. Unreasonable old structures and joints should be modified during overhaul if they affect safe use. When repairing, masonry or reinforced concrete members should be used as far as possible to replace the severely damaged wood structure. For reinforced concrete members, if they are slightly peeled off or damaged, they should be repaired in time. When the concrete is carbonized, cracked, peeled off and the steel bar is seriously corroded, it should be tested and calculated to identify the bearing capacity of the component and take reinforcement or replacement measures.

2. Uneven settlement of foundation affects the superstructure, arching, inclination, cracking and deformation of masonry, and the reasons should be found out and reinforced or removed in a targeted manner.