Mechanical properties of bio-mediated soils supported with deep-seabed microbes isolated from the methane hydrate-bearing layer around Japan islands

Toshiro Hata, Toyama Prefectural University, Imizu, Japan, Jun Yoneda, AIST - National Institute of Advanced Industrial Science and Technology, Sapporo, Japan and Koji Yamamoto, Japan Oil, Gas and Metals National Corporation (JOGMEC), Tokyo, Japan