| 摘要 |
Rocker portions (34) and a tunnel portion (40) that serve as frame portions extend along a vehicle longitudinal direction respectively at vehicle transverse direction both end portions of an upper floor (20) and a vehicle transverse direction central portion of an upper floor (20). On the other hand, a dash panel (16A) or a back panel (18A) is provided erect respectively at a front end portion of a lower floor (22) and a rear end portion of a lower floor (22). Here, abutment portions (42), (48) are provided at front end portions of the rocker portions (34) and the tunnel portion (40) respectively, and planarly contact an inner surface of the dash panel (16A). Further, abutment portions (44), (50) are provided at rear end portions of the rocker portions (34) and the tunnel portion (40) respectively, and planarly contact an inner surface of the back panel (18A). |
