APPLIED TWO PIECE BOOM EXCAVATOR AND SELF ROTATED TRUCK SYSTEM FOR TUNNELLING METHOD

摘要

PURPOSE: A construction method of a tunnel in which a rotary transporter and a double shift boom excavator are applied is provided to maximize the efficiency and profitability in tunnel design and construction. CONSTITUTION: A construction method of a tunnel comprises a double shift boom excavator. The equipment is applied to make the arrangement of the boom to have minimum radius of rotation and the minimum height. A rotary transporter of debris is applied to rotate a driver's seat and a loading box.