Vehicle body side structure

A vehicle body side structure comprising:

• a pair of side sill made of Fiber Reinforced Plastic (FRP), each of the side sills including a side sill body extending in a front and rear direction along a corresponding one side portion of a floor panel in a vehicle width direction, an upper curved portion disposed in at least one end of a front end and a rear end of the side sill body, and a pillar portion standing upward from an upper end of the upper curved portion;
• and
• a plurality of metallic bulkheads disposed and fixed inside the respective side sills at predetermined intervals, the respective bulkheads having an I-shaped cross-section, and including a partition wall portion partitioning an inner space of the respective side sills and a bonding flange portion configured to surround an outer periphery of the partition wall portion and bonded to an inner surface of the respective side sills,
• wherein the partition wall portion of the bulkhead fixed to the upper curved portion is disposed to be substantially parallel to a radial direction passing through a center of curvature of a curved shape of the upper curved portion.