Quonsets have been covered in bags. Barrel vaults with decent spans have been bagged with strong permanent formwork. With temporary formwork, can't really vault much over 6', 8' with double bag wall to butress lateral thrust.
Or bag vertical walls and frame or ferrocement a vaulted roof
permaculture is largely about replacing oil with people. And one tiny ad:
Looking for cold-climate growers to join a GOOF livestream panel (Missoula)
