The International Existing Building Code maintains the nailed connection between the floor and the joists can resist 600 pounds per linear foot and this is probably true. If there is reason to suspect this is not true shear blocking can be installed on either side the joist. Structural adhesive has a tremendous amount of shear strength but at the same time is extremely brittle. This means, just as is the case with stucco, once failure starts it cannot be stopped. For this reason this connection should always be over-designed so that the glued connection is so rigid there is no question of any movement at the glued connection.