4:20 PM - 4:30 PM
*Takayuki Hirano1, Syunji Kato2, Kiyomasa Dobashi3, Hiroyuki Sakamoto4, Tsuneo Hori5, Norihiko Togashi6 (1. Nishimatsu Construction, 2. Public Works Research Institute, 3. Public Works Research Center, 4. Fujita, 5. Itocyu TC Construction Machinery, 6. Telnite)