In-Situ Deep-Sea Monitoring of Cement Mortar Specimen at a Depth of 3515 m and Changes in Mechanical Properties after Exposure to Deep Sea Condition

• Published in: Journal of Advanced Concrete Technology Vol. 20; no. 3; pp. 254 - 266
• Main Authors: Nomura, Shun, Iwanami, Mitsuyasu, Kawabata, Yuichiro, Takahashi, Keisuke, Makita, Hiroko, Yamanaka, Toshiro, Kasaya, Takafumi, Kobayashi, Mari
• Format: Journal Article
• Language: English
• Published: Tokyo Japan Concrete Institute 29.03.2022; Japan Science and Technology Agency
• Subjects: Compressive strength; Damage; Deep sea environments; Exposure; Hydraulic pressure; Mechanical properties; Modulus of elasticity; Monitoring; Mortars (material); Ocean floor; Pressure gages; Strain gauges; Stress relaxation; Water infiltration; Waterproofing
• ISSN: 1346-8014; 1347-3913
• DOI: 10.3151/jact.20.254

The results of the first-ever in-situ monitoring of a large mortar specimen at a depth of 3515 m in the Nankai Trough are presented in this study targeted at creating a technology platform for in-situ monitoring and evaluation of cement-based materials at the seabed to realize deep-sea infrastructur...