Detachable pile foundation and detachable pile foundation construction method

摘要

PROBLEM TO BE SOLVED: To make it possible to shorten the term of installation of a column on which a curve mirror or other is mounted, simplify the replacement of the column, recycle pile foundations, and reduce disposal cost. SOLUTION: A detachable pile foundation is fixed to a curve mirror column 3 inserted into a hollow pile 7 driven into the ground with hollow sets 6. And then a detachable cap 9 fixed in a detachable manner to the hollow pile 7 with a bolt 8, a detachable spacer 11 fixed in a detachable manner to the curve mirror column 3 with a hollow sets 10, and sand 13 filled into the hollow pile 7, are provided.