Steel structure fabricated external wall ALC wallboard flexible connection method

The invention discloses a steel structure fabricated external wall ALC wallboard flexible connection method, and belongs to the technical field of external wallboard installation and reinforcement connection methods. The method comprises the steps that during external wall ALC wallboard processing and production, galvanized steel plate anchor plates with transverse sliding grooves are pre-embeddedin the center parts of the upper and lower ends of the external wall ALC wallboard; after the external wall ALC wallboard is installed at a specified position, the upper end of the external wall ALCwallboard is welded to a steel beam through angle steel connecting pieces with longitudinal sliding grooves; the upper and lower ends of the external wall ALC wallboard slide into the sliding groovesof the galvanized steel plate anchor plates provided with the transverse sliding grooves and pre-embedded in a wallboard through bolt caps, so that the galvanized steel plate anchor plates provided with the transverse sliding g