Aoyagi, Kazuhei, Kamemura, Katsumi, Sugawara, Kentaro, Hagihara, Takeshi. Estimation of in situ stress based on the measurement of convergence during gallery excavation. Dai-53-Kai Jiban Kogaku Kenkyu Happyokai Happyo Koenshu (DVD-ROM). 2018. 11-12
T. Tokiwa, K. Tsusaka, K. Aoyagi. Fracture Characterization and Rock Mass Damage Induced by Different Excavation Methods in the Horonobe URL of Japan. International Journal of Civil Engineering. 2018. 16. 4. 371-381
Aoyagi, Kazuhei, Miyara, Nobukatsu, Ishii, Eiichi, Matsuzaki, Yoshiteru. Temporal trend in excavation disturbed zone around a modeled disposal pit in Horonobe Underground Research Laboratory. Shigen, Sozai Koenshu (Internet). 2018. 5. 1. 7