維持･補修 (2)

11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[III-205] Countermeasures against fragile rocks in embankments in the Kushihiki area of Yamagata Expressway

*Ryuji Ozawa¹ (1. East Nippon Expressway Company Limited)

Keywords:

Expressway,Embankment,Measures against fragile rocks

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