| 摘要 |
The present invention relates to a steel brace that reinforces an opening portion corner of a rebar concrete structure. The present invention includes a pair of slot members (100) that are arranged in a row while maintaining a predetermined gap and are provided with multiple slot hole (110) in a longitudinal direction; a pair of linking members (200) that are arranged to overlap with both respective side surfaces of the slot members (100), are bolt-coupled through the slot holes (110) of the slot members (100), and connect the slot member (100) to each other; a pair of jack installation steps (300) that protrude from one side surfaces of the respective slot members (100) and are formed apart from each other to face each other; and a pair of jackup bases (400) that provisionally couple respective outer side end portions of the slot members (100) with the opening portion corner, are received by the jack installation steps (300) during prestressing using a jack (33) to support both respective end portions of the jack (33), and are removed with the jack (33) after final fixing of the respective outer side end portions of the slot members (100) to the opening portion corner in a prestressed state. |
