SEISMIC REINFORCEMENT STRUCTURE AND SEISMIC REINFORCEMENT METHOD

The present invention relates to a seismic reinforcement structure, and a seismic reinforcement method capable of improving a seismic performance of an existing building consisting of columns and beams. According to the present invention, the seismic reinforcement structure to seismic reinforce an existing building consisting of a pair of columns installed at a certain distance away from each other, and beams to connect a gap between the columns comprises: a column for reinforcement installed in a front of the column; a combination member equipped in the front of the beam, consisting of a lateral plate combined with the front of the beam and an upper plate and a lower plate vertically combined in an opposite direction of the beam respectively on the upper part and the lower part of the lateral plate; and a beam for reinforcement equipped between the columns for reinforcement, consisting of an upper flange, a lower flange, and a web to connect the upper flange and the lower flange wherein ...