Particle-size effect of basic oxygen furnace steel slag in stabilization of dredged marine clay

被引：27

作者：

Cikmit, Arlyn Aristo ^{[1
]}

Tsuchida, Takashi ^{[1
]}

Kang, Gyeongo ^{[2
]}

Hashimoto, Ryota ^{[1
]}

Honda, Hideki ^{[3
]}

机构：

[1] Hiroshima Univ, Grad Sch Engn, Dept Civil & Environm Engn, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 7398527, Japan

[2] Chonnam Natl Univ, Honam Reg Infrastruct Technol Management Ctr, 50 Daehak Ro, Yeosu 550749, Jeollanam Do, South Korea

[3] JFE Steel Corp, Steel Res Lab, 1-1 Minami Watarida Cho, Kawasaki, Kanagawa 2100855, Japan

来源：

SOILS AND FOUNDATIONS | 2019年 / 59卷 / 05期

关键词：

Stabilization of marine clay; Basic oxygen furnace steel slag; Chemical stabilization; Grain size effect; Unconfined compressive strength; BLAST-FURNACE; AGGREGATE; CONCRETE; STRENGTH; SOILS; CONSTRUCTION; PRODUCTS;

D O I：

10.1016/j.sandf.2019.06.013

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

The aim of this study is to provide a comprehensive analysis of the strength development of dredged soil stabilization with different grain sizes of basic oxygen furnace (BOF) slag. Laboratory vane shear (LVS) tests, unconfined compressive (UC) strength tests, and flow value tests were conducted to understand the time-strength behavior of stabilized dredged clay. The results show that the strength was significantly affected by the different maximum particle sizes, despite the same free lime content. An equation to predict the strength development of a larger maximum grain size from a smaller maximum grain size was proposed using a modified BOF slag rate of addition and its calculated specific surface area. The results indicate that the equation is feasible for predicting the strength development of actual construction from laboratory test results. (C) 2019 Production and hosting by Elsevier B.V. on behalf of The Japanese Geotechnical Society.

引用

页码：1385 / 1398

页数：14

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