| 摘要 |
PROBLEM TO BE SOLVED: To support construction of a continuous underground wall so as to be carried out according to a schedule, by determining whether or not edge cutting work is carried out as appropriate. SOLUTION: With respect to the edge cutting work by a cutter post 13 carried out before starting of excavation every day, a drawing load of the cutter post 13 and a mechanical load of a digger are measured, and the drawing load and the mechanical load as measured data are compared with respective preset values, to thereby determine whether or not the edge cutting work is carried out as appropriate. COPYRIGHT: (C)2005,JPO&NCIPI
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