Effects of Wood Chips Types and Mixing Ratio to the Compression Characteristics of Steelmaking Slag Mixed with Wood Chips

Tomotaka Yoshikawa, Yoshiaki Kikuchi, Shohei Noda

Research output: Chapter in Book/Report/Conference proceedingChapter

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.

Original languageEnglish
Title of host publicationLecture Notes in Civil Engineering
PublisherSpringer
Pages737-744
Number of pages8
DOIs
Publication statusPublished - 1 Jan 2020

Publication series

NameLecture Notes in Civil Engineering
Volume62
ISSN (Print)2366-2557
ISSN (Electronic)2366-2565

Fingerprint

Steelmaking
Slags
Wood
Compaction
Sand
Sieves
Decay (organic)
Tsunamis
Bearing capacity
Disasters
Earthquakes

Keywords

  • Fibrous wood chips
  • Geo-materials
  • Steelmaking slag
  • Unconfined compression characteristics

Cite this

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 Lecture Notes in Civil Engineering (pp. 737-744). (Lecture Notes in Civil Engineering; Vol. 62). Springer. https://doi.org/10.1007/978-981-15-2184-3_96
Yoshikawa, Tomotaka ; Kikuchi, Yoshiaki ; Noda, Shohei. / Effects of Wood Chips Types and Mixing Ratio to the Compression Characteristics of Steelmaking Slag Mixed with Wood Chips. Lecture Notes in Civil Engineering. Springer, 2020. pp. 737-744 (Lecture Notes in Civil Engineering).
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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 Lecture Notes in Civil Engineering. Lecture Notes in Civil Engineering, vol. 62, Springer, pp. 737-744. https://doi.org/10.1007/978-981-15-2184-3_96

Effects of Wood Chips Types and Mixing Ratio to the Compression Characteristics of Steelmaking Slag Mixed with Wood Chips. / Yoshikawa, Tomotaka; Kikuchi, Yoshiaki; Noda, Shohei.

Lecture Notes in Civil Engineering. Springer, 2020. p. 737-744 (Lecture Notes in Civil Engineering; Vol. 62).

Research output: Chapter in Book/Report/Conference proceedingChapter

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T1 - Effects of Wood Chips Types and Mixing Ratio to the Compression Characteristics of Steelmaking Slag Mixed with Wood Chips

AU - Yoshikawa, Tomotaka

AU - Kikuchi, Yoshiaki

AU - Noda, Shohei

PY - 2020/1/1

Y1 - 2020/1/1

N2 - 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.

AB - 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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Yoshikawa T, Kikuchi Y, Noda S. Effects of Wood Chips Types and Mixing Ratio to the Compression Characteristics of Steelmaking Slag Mixed with Wood Chips. In Lecture Notes in Civil Engineering. Springer. 2020. p. 737-744. (Lecture Notes in Civil Engineering). https://doi.org/10.1007/978-981-15-2184-3_96