| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a demolition method capable of reducing generated noise and vibration, and demolishing a slab safely and efficiently. <P>SOLUTION: The demolition method for demolishing a residual pig iron 10 includes: a dividing line setting step (step s1) for setting dividing lines L for dividing the residual pig iron 10; a drilling step (step s3) for drilling a plurality of dividing holes 20 arranged along the dividing lines L and separated at a predetermined interval S all over the dividing lines L by a hydraulic crawler drill 110 provided with a hydraulic drill device 130 drilling downward and capable of running on the residual pig iron 10; a drilling equipment leaving step (step s4) for leaving the hydraulic crawler drill 110 from the residual pig iron 10 after finishing the drilling step; and a divided block carrying out step (step s7) for carrying out divided blocks 40 made from the residual pig iron 10 divided by the plurality of dividing holes 20 separated at the predetermined interval S along the dividing lines L. <P>COPYRIGHT: (C)2012,JPO&INPIT |
