Side bottom structure of vehicle body for improving crashworthiness and anti-corrosion performance

摘要

A side bottom structure of a vehicle may include a side sill having a closed cross-section with a predetermined outline, forming a side bottom of the vehicle body, and elongated in a longitudinal direction of the vehicle, a front pillar having one end thereof connected to a front end of the side sill and elongated in a height direction of the vehicle toward a roof of the vehicle, and a side outer panel combined with the side sill and the front pillar and forming a side external appearance of the vehicle body, wherein the side sill is formed by combining an inner side sill and an outer side sill, and wherein the inner and outer side sills have constant transverse cross-sections respectively, and a front end of the inner side sill and a front end of the outer side sill protrude further than the front of the front pillar.