METHOD OF BULKING COLUMN, METHOD OF BULKING COLUMN FOR NET IN GOLF DRIVING RANGE, METHOD OF IMPROVING GOLF DRIVING RANGE

摘要

PROBLEM TO BE SOLVED: To bulk an existing column for a net in a golf driving range without suspending a business of the golf driving range and, in a short period at a low construction cost with a high bulking degree. ;SOLUTION: A required number of auxiliary columns 17 are planted upright laterally of an existing column 11. These auxiliary columns 17 are fixed to the existing column 11 at several positions. Additional bulking structures 21 are fixed to the top ends of thus planted auxiliary columns 17.;COPYRIGHT: (C)1997,JPO