Abstract
Under-sieve residue, a type of disaster waste generated by earthquakes and tsunamis, contain large amounts of wood chips. This residue cannot be used as ground material mainly because its bearing capacity is insufficient and the decay process of wood chips has not been well understood. In this study, unconfined compression (UC) tests were performed using two types of wood chips (fibrous cocopeat and granular hinoki), which closely resemble the under-sieve residue, with slag and Iwaki sands. The test results indicated that the UC strength of the slag mixed with cocopeat or hinoki at 10% by volume was higher than that of only slag. In addition, they indicated that the UC strength and deformation modulus of Iwaki sand mixed with cocopeat were higher than those of just Iwaki sand for cocopeat mixing ratios of less than 20% by volume.
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Acknowledgements
This research was supported by the Steel & Slag Association and the Obayashi Foundation. The authors express their appreciation for their support.
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Yoshikawa, T., Kikuchi, Y., Noda, S. (2020). Effects of Wood Chips Types and Mixing Ratio to the Compression Characteristics of Steelmaking Slag Mixed with Wood Chips. In: Duc Long, P., Dung, N. (eds) Geotechnics for Sustainable Infrastructure Development. Lecture Notes in Civil Engineering, vol 62. Springer, Singapore. https://doi.org/10.1007/978-981-15-2184-3_96
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DOI: https://doi.org/10.1007/978-981-15-2184-3_96
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