Prefabricated aerated concrete wallboard broken bridge aluminum outer window mounting structure and method

The invention relates to the technical field of constructional engineering, in particular to a mounting structure and method for a bridge-cutoff aluminum outer window of a prefabricated aerated concrete wallboard. The mounting structure for the bridge-cutoff aluminum outer window of the prefabricated aerated concrete wallboard comprises a connecting and fixing piece, wherein the connecting and fixing piece is used for mounting a window frame on the wallboard; the whole connecting and fixing piece is U-shaped, and the connecting and fixing piece is arranged at the end part of the wallboard in a sleeving manner and is fixed with the wallboard; the end, away from the wallboard, of the connecting and fixing piece is fixed to the window frame. The connecting and fixing piece is arranged between the wallboard and the window frame, the connecting and fixing piece is arranged at the end of the wallboard in a sleeving mode, the other end of the connecting and fixing piece is fixed to the window frame, hole angle steel