Tunnel-assembled lining structure and tunnel across large-scale active fault zone in strong earthquake zone

The invention relates to a tunnel-assembled lining structure and a tunnel across a large-scale active fault zone in a strong earthquake zone, and relates to the field of transportation infrastructureconstruction. The structure comprises an initial support layer, a spray film waterproof layer, an assembly type concrete-filled steel tube lining layer and a flexible joint; the assembly type concrete-filled steel tube lining layer is provided with a plurality of concrete-filled steel tube lining sections, each section is provided with a first steel tube sheet, a second steel tube sheet and a third steel tube sheet which are arranged from outside to inside, a first lining layer is arranged between the first steel tube sheet and the second steel tube sheet, and a second lining layer is arrangedbetween the second steel tube sheet and the third steel tube sheet. The first lining layer includes a plurality of hollow steel tubes arranged at intervals and lightweight foam concrete for filling gaps, the second lining lay