SHEAR WALL LOAD DISTRIBUTION to BS EN 1992-1: 2004

In structural engineering, a shear wall is a vertical element of a system that is designed to resist in-plane lateral forces, typically wind and seismic loads. … A shear wall resists loads parallel to the plane of the wall.

shear wall, In building construction, a rigid vertical diaphragm capable of transferring lateral forces from exterior walls, floors, and roofs to the ground foundation in a direction parallel to their planes.