| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an earthquake strengthening method capable of easily achieving both shortening of a construction period and an increase in working efficiency.SOLUTION: In an earthquake strengthening method, an existing frame 3 is strengthened by a concrete additionally-placed beam for an existing beam 3b, and a reinforcing frame 7 integrally and continuously provided below the additionally-placed beam. The reinforcing frame 7 is installed in a predetermined position before formation of the additionally-placed beam, and the additionally-placed beam is formed by using the precedently-installed reinforcing frame 7 as timbering.</p> |
