1. A side vehicle-body structure of a vehicle, comprising:a center pillar including a reinforcement provided on an outward side, in a vehicle width direction, of a vehicle body and an inner panel provided on an inward side, in the vehicle width direction, of the vehicle body,
wherein the reinforcement of said center pillar comprises upper-and-lower hinge attachment sections for attaching hinges of a rear door and first-and-second fragile sections for promoting bending of the center pillar in a vehicle side collision, said upper-and-lower hinge attachment sections are provided to be spaced apart from each other in a vertical direction, said first fragile section is provided at a higher level than said lower hinge attachment section, and said second fragile section is provided at a lower level than said lower hinge attachment section and configured to be bent before said first fragile section in the vehicle side collision,
said first-and-second fragile sections are first-and-second recessed beads which respectively extend in a horizontal direction from a one-end side, in a vehicle longitudinal direction, of said reinforcement to the other-end side,
the side vehicle-body structure of the vehicle further comprises a seatbelt retractor which is provided inside said center pillar at a lower level than said lower hinge attachment section, wherein the inner panel of said center pillar includes an opening portion for assembling the seatbelt retractor at an area facing said second recessed bead, and
a bead depth of said second recessed bead is set such that respective bead depths of a one-end side, in the vehicle longitudinal direction, of the second recessed bead and the other-end side, in the vehicle longitudinal direction, of the second recessed bead are deeper than the bead depth of a central part, in the vehicle longitudinal direction, of the second recessed bead.