To limit the probability that columns will be unable to resist gravity expected loads transmitted through beams, which could lead to the structural failure of columns.
This is to limit the probability of:
For floors and elements supporting floors, this to limit the probability of excessive deflection or vibration of floors, which could lead to a loss of balance, tripping or falling, which could lead to harm to persons.
To modify the application of Sentence 9.17.3.1.(1).