〇Kota Kadoi¹, Ulziidelger Tuvshinjargal², Akihiro Toyoda², Koichiro Shitama², Masanori Tsuji³, Asako Kawano¹, Shigeru Yokoyama¹, Kenichi Nagano¹, Kazuyuki Murakami¹ (1.Taiheiyo Precast Concrete Industry, 2.Maebashi Institute of Technology, 3.Institute of Technologists)

〇Yusuke Ishii¹, Ryo Kishira¹, Masao Ishida¹, Takuya Jumonji¹, Shigeharu Amano² (1.Taiheiyo Cement Corporation, 2.Taiheiyo Cement Block Industries Association)

〇Masashige Aoki¹, Seijiro Yukawa¹, Yasushi Takeuchi² (1.Taisei Rotec Corporation, 2.Tokyo University of Agriculture)

〇Ryo Kishira¹, Katsuhito Kojima¹, Katsuya Kono¹, Satoshi Kajio¹, Susumu Shimizu² (1.Taiheiyo cement corporation, 2.Chichibu concrete industry co., Ltd.)

〇Katsuhito Kojima¹, Ryo Kishira¹, Katsuya Kono¹ (1.Taiheiyo Cement Corporation)

〇takasi watanabe¹, masashige aoki¹, kazunobu mutou¹ (1.Taisei Rotec Corporation)

〇Toru Yoshimoto¹, Shinmi Tatsuo², Iida Tatsuro³, Sato RYoichi⁴, Yamazaki Akira⁵ (1.Japan Cement Association, 2.Tokuyama, 3.Denka, 4.Hiroshima University, 5.MLIT)

〇Chigusa Ueno¹, Yukihiro Kohata², Kimio Maruyama¹ (1.Civil Engineering Research Institute for cold Region, 2.Muroran Institute of Tecnology)