A severe fire occurred during the construction of a public building after the structural safety assessment, the strength of the building was not significantly damaged, and can continue to be used after the structural repair, the company uses e-resin injection. Cracked pox, resin mortar filling, steel rust removal protection layer/iron rust inhibitor, reinforcing scoop, non-shrink cement back injection, etc. to smoothly repair damaged structures and meet safety requirements. of the building