| 摘要 |
This invention is a method for connecting new material to existing connections for purposes of strengthening, without removing the existing load, and generally applies to bridges and buildings made of steel with bolted or riveted connections. It uses special order high strength bolts with enough thread for two nuts a cheese plate and new material to be attached to the existing connection. The cheese plate is a thick fill plate with larger diameter holes than a washer and nut. The method removes as little as one rivet or bolt at a time, and replaces it with the special order high strength bolt and only one nut. After all the fasteners are replaced, the cheese plate and new material are installed and a second nut is added to complete the attachment of the new material. Previously, structures like this would have to be temporarily supported to disassemble and attach new material.
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