*Toshihiro Mori¹, Minoru Aramomi¹ (1. KUMAGAI GUMI Co.,LTD.)

*Makiko Hikita¹, Akira Miyata¹, Koichi Nishimura¹ (1. Kajima Corporation)

*Masamichi Aoki¹, Fumio Kuwabara², Isamu Sandambata³, Yasushi Furugaichi/⁴, Miyamoto Kazutetu⁵, Yoshinobu Kiya⁶ (1. Takenaka Corporation, 2. Pileforum Inc., 3. Hazama Ando Corporation, 4. Tokyu Construction Co.,Ltd., 5. Toyo Techno Corp., 6. Mitani Sekisan Co.,ltd.)

*Yoichi Shimada¹, Hitoshi Ito², Isamu Sandambata³, Toshihiro Mori⁴, Masaaki Nagasawa⁶, Minoru Kajino⁵, Keisuke Sugawara⁷, Hiroyuki Kobiyama⁸ (1. OBAYASHI Corporation, 2. TOA Corporation, 3. HAZAMA ANDO Corporation, 4. Kumagai Gumi Co.,LTD., 5. HASEKO Corporation, 6. SHIMIZU Corporation, 7. MARUKEN KOGYO, 8. NIIGATA SHOJI)

*Yasushi Furugaichi¹, Masateru Nishi², Toshihiro Mori³, Yuan Zhang¹, Takeshi Fukuda⁴, Yuji Takaoka⁵, Minoru Kajino⁶ (1. Tokyu Construction Co.,Ltd., 2. HAZAMA ANDO CORPORATION, 3. Kumagai Gumi Co.,Ltd., 4. TODA Corporation, 5. Sumitomo Mitsui Construction Co.,Ltd., 6. Haseko Corporation)

*Yoshinobu Kiya¹, Kazuaki Miyamoto², Masaaki Kakurai ³, Tomio Tsuchiya⁴, Tomonori Hara⁵, Masafumi Tanaka⁶, Terumi Hosoda⁷, Masaki Oohira⁸ (1. Mitani Sekisan Co.,ltd., 2. Toyo Techno Corp., 3. Pileforum Inc., 4. Takenaka　Corporation, 5. NISHIMATSU CONSTRUCTION Co.,Ltd. , 6. Taiyo　Kiso 　Corp., 7. Japan Pile　Corp., 8. Hassyu　Kenki　Corp.)