Generally speaking, when the column is reinforced with steel bars, the prestressed beam will not be directly affected. However, it should be noted that if the column reinforcement involves the connection with prestressed beams or adjacent parts, such as beam-column joints, special design and construction measures may be needed to ensure that the column reinforcement will not interfere with or destroy the normal function and performance of prestressed beams.
Therefore, before the column is reinforced with steel bars, it is suggested that you consult professional engineers or structural designers to evaluate the planned reinforcement scheme according to the specific situation, so as to ensure that the influence of prestressed beams is properly considered and prevented. This can ensure that the strengthening work can not only improve the bearing capacity of the column, but also not adversely affect the performance of the prestressed beam.