The grout, a mix of `mendip dust` (crushed stone) water and cement is poured in to fill the conical holes left around the anchor bolts to aid alignment of the columns.
The grout, a mix of `mendip dust` (crushed stone) water and cement is poured in to fill the conical holes left around the anchor bolts to aid alignment of the columns.
Credit: A.Milner, 25th July 2009