| 摘要 |
PROBLEM TO BE SOLVED: To improve a reinforcement effect without changing a skeleton member or reinforcement member inside thereof. SOLUTION: By setting the number of peaks of buckling mode waveforms of an outer member 71 of a hollow section to constitute a side member extension 70 different from that of a reinforcement 72 inside thereof, the interference of deformation mode occurs entirely in the longitudinal direction between the two numbers of the peaks to distribute deformation thereof. COPYRIGHT: (C)2004,JPO
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