Precast floor slab composed of a steel plate and concrete and joint structure thereof

摘要

A precast floor slab (1) comprises a steel plate (2) joined to a concrete layer (10) by friction-jointed high-strength bolts (3) used as shear connectors. Adjacent floor slabs (1) may be joined by a splice plate (4) attached to edge portions (2b) of the steel plates (2) of the floor slabs by high-strength bolts (3) which act as shear connectors and project into a concrete infill strip [not shown] between the concrete layers (10) of the floor slabs.