Prior to the final concrete pouring, the rebar is assembled in-place with the rebar chairs, slab bolsters, or wagon wheels. These rebar supports are then left in-place while the concrete is poured.
The first concrete base slab of the Mumbai Bullet Train station has been cast, on November 30, 2024, at a depth of about 32 metres from the ground level, which is equivalent to a 10-storey building.
Although GPR cannot differentiate between different types of embedded items, such as rebar post-tension cables, it is highly effective in examining concrete slabs. This makes it a crucial tool for ...