*Clarissa Jasinda¹, Susumu Kono¹, Taku Obara², David Mukai³, Mami Yamaji⁴ (1. Tokyo Institute of Technology, 2. National Institute for Land and Infrastructure Management, 3. University of Wyoming and Tokyo Institute of Technology, 4. Concrete Pile and Pole Industrial Technology Association)

*Hiroya Esaki¹, Clarissa Jasinda¹, Taku Obara², Susumu Kono¹, David Mukai³ (1. Tokyo Institute of Technology, 2. National Institute for Land and Infrastructure Management, 3. Univ. of Wyoming)

*Natsuho Hamada¹, Himeka Kawano¹, Clarissa Jasinda¹, Taku Obara², Susumu Kono¹, David Mukai³ (1. Tokyo Institute of Technology, 2. National Institute for Land and Infrastructure Management, 3. University of Wyoming)

*Yuta Watanabe¹, Shristi Bhusal¹, Naresh Subedi¹, Shreya Thusoo¹, Taku Obara², Susumu Kono¹ (1. Tokyo Institute of Technology, 2. National Institute for Land and Infrastructure Management)

*Yasuo Naitou¹, Shogo Shimada², kyoichi Shinagawa³, Masaya Gonda⁴, Kazuya Mitsuji⁵, Noriaki Sako⁶ (1. Panasonic Homes, 2. Hokoku Engineering, 3. Ichijo, 4. Mitsui Home, 5. Yamagata University, 6. Nihon University)

*kaori abe¹, kazuya mitsuji¹ (1. Yamagata University)

*Toshiyuki Kamata¹, Atsushi Shimamura¹, Hiroyuki Tanaka¹, Saya Okabe², Akihiko Wakai² (1. Chemical Grouting Co.,Ltd., 2. Gunma University)