So long as you are below MAUM and within the g-limits, the total certified strength of the mainplane can't be exceeded
One item that often gets lost in this debate is the effect of rolling "g", that is, rolling while pitching,
Genghis might give a view from the engineering perspective as to how designers address the issue in design of aircraft structure, the only aircraft I flew that had documented rolling "g" limits put the limit at two thirds of the symmetrical limit.