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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Evaluation for Effective Use of Dredged Soil as Containment Dikes of Disposal Pond
verfasst von : Katsuhide Nishizono, Yasuhiro Sega, Masaaki Katagiri, Yoichi Watabe
Erschienen in: Advances in Sustainable Construction and Resource Management
Verlag: Springer Singapore
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Abstract
An extra fill on revetment was constructed by using mechanically dewatered clay (MDC) lumps made from dredged material in the third area of the Shinmoji-Oki disposal pond (S-3) 9 years ago. Since this sample is an artificial material, its long-term stability has not been confirmed. In order to understand the evolution of the properties of the constructed revetment over time, mechanical tests, such as direct shear tests, have been conducted on block samples taken from two designated areas of the extra fill on revetment over the nine years since its construction. As a result, it was confirmed that the shear strength under certain overburden effective stress was sufficiently satisfied with the value assumed in the original design and the strength properties did not change much after 9 years, although the strength constants varied.