Side vehicle-body structure of vehicle, a vehicle provided therewith and a method of providing it

A pillar reinforcement 13 of a center pillar 5 comprises an upper part 23 and a lower part 24 with a boundary line Q of these parts being positioned below the middle level of the pillar reinforcement 13. The upper and lower parts respectively include side wall portions 25, 29 which extend along a vehicle side face and pairs of vertical wall portions 26, 30 which extend inwardly from front and rear end portions of the side wall portions. The pair of vertical wall portions 30 of the lower part 24 is slant relative to the vehicle width direction so that the distance between the vertical wall portions 30 becomes wider toward the inward direction, and a slant angle of the pair of vertical wall portions 30 of the lower part 24 is greater than that of the vertical portions 30 of the upper part 23.