It was solid concrete, as were the walls behind the two shelves and the service sink.

Planners have said only some segments will be solid concrete.

They hold well in mortar joints but are difficult to drive into solid concrete.

The walls were solid concrete, and there was no sound at all.

Installation, however, can be a lot of work because you have to cut a cavity into the solid concrete.

The new bridge cannot now be raised (it is solid concrete), but the race rules still remain the same in any event.

All cells are made of solid concrete and have bars on the windows.

What I feel under my feet is solid concrete.

The central pier has a base that is solid concrete.

The structure is solid concrete and steel with four floors.