Is the building built of cement hollow board safe?
The service life of hollow slab buildings is generally 50-70 years. However, the concept of civil design is relatively conservative, as long as the materials used in strict accordance with national standards, even if 70 years, and not necessarily bad.
According to the use of building housing, before the use of cement hollow plate, it is necessary to predict the bearing capacity of housing, if more than the cement hollow plate bearing indicators, it is not available, it is unsafe;
If the use of material quality unqualified cement hollow board, the construction process of Jerry building, even with good material, there will be security risks;
The country stipulates that hollow slab buildings can be built at most 7 floors, and of course there are also eleven stories, but these are illegal constructions. More than 7 layers, in the existing architectural design, according to the cement hollow board bearing, there is a security risk;
