structural wall; foundation wall
Technical term used in architecture and civil engineering for a wall that bears loads or forms part of the building's structure.
The structural walls of this building are made of reinforced concrete.
When renovating, please be careful not to break any structural walls.
間仕切り壁 is a non-structural partition wall used to divide interior spaces, contrasting with 構造壁 which carries loads.
Compound of 構造 (structure) and 壁 (wall). The reading is the standard on'yomi for both kanji.