Use Of Steel Slag In Subgrade Applications

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Use Of Steel Slag In Subgrade Applications

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Author : Irem Zeynep Yildirim
language : en
Publisher: Purdue University Press
Release Date : 2009-10-01

Use Of Steel Slag In Subgrade Applications written by Irem Zeynep Yildirim and has been published by Purdue University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-10-01 with Transportation categories.

Steel slag is a by-product of steelmaking and refining processes. In 2006, 10-15 million metric ton of steel slag was generated in the U.S. Out of the total steel slag produced in the U.S. every year, about 50-70% is used as aggregate for road and pavement construction and approximately 15-40% is stockpiled in steel plants and eventually landfilled at slag disposal sites. Since current levels of steel slag stockpiling and landfilling are not sustainable, alternative geotechnical engineering applications for steel slag are being explored to alleviate the slag disposal problem and to help save dwindling natural resources. The main objectives of this research were to determine the geotechnical engineering properties of two types of steel slag generated from different steelmaking operations and to assess their potential use in subgrade stabilization and embankment construction. Samples of fresh and aged basic-oxygen-furnace (BOF) slag and of fresh electric-arc-furnace-ladle (EAF(L)) slag were characterized through a series of laboratory tests (specific gravity, grain-size analysis, X-ray diffraction, compaction, maximum and minimum density, large-scale direct shear, consolidated drained triaxial and swelling tests).

Use Of Soil Steel Slag Class C Fly Ash Mixtures In Subgrade Applications

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Author : Irem Zeynep Yildirim
language : en
Publisher: Joint Transportation Research Program
Release Date : 2013-10

Use Of Soil Steel Slag Class C Fly Ash Mixtures In Subgrade Applications written by Irem Zeynep Yildirim and has been published by Joint Transportation Research Program this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10 with Transportation categories.

In Indiana, the steelmaking industries and power plants generate large quantities of steel slag, blast furnace slag and fly ash every year. The excess of these underutilized industrial by-products are stockpiled and eventually landfilled at disposal sites. Use of steel slag, fly ash and blast furnace slag in road applications, such as in subgrade stabilization projects, can be a cost-effective alternative to lime stabilization in some cases. In addition, use of large quantities of these underutilized industrial by-products in these types of applications helps to reduce the need for new disposal sites and to conserve natural resources. The main objectives of this research were to evaluate the feasibility of using soil-steel slag-Class-C fly ash and soil-steel slag-blast furnace slag mixtures in subgrade applications and to implement the selected mixture as a subgrade material in a road construction project of INDOT. In order to achieve these goals, in situ clayey soils, collected from a prospective implementation site, were characterized through a series of laboratory tests which included specific gravity, grain size distribution, Atterberg limits, compaction and unconfined compressive strength. Two types of steel slag mixtures were evaluated for use in subgrade stabilization applications: i) steel slag-Class-C fly ash mixtures and ii) steel slag-blast furnace slag mixtures. The mechanical properties of soil-5% steel slag-5% Class-C fly ash, soil-7% steel slag-3% Class-C fly ash, soil-8% steel slag-2% Class-C fly ash, and soil-7% steel slag-3% blast furnace slag mixtures were determined through compaction and unconfined compression tests. CBR swelling tests were also performed to assess the swelling potential of the mixtures. The optimum moisture content and maximum dry unit weight of the in situ clayey soil samples were 13% and 18.56 kN/m3 (118.2 pcf), respectively. Based on the results of the long-term CBR swelling tests, the maximum swelling strain of the compacted soil samples was approximately 0.41 %. The average unconfined compressive strength of the in situ soil samples was 282.9 kPa (41 psi). Unconfined compressive strength tests performed on various mixtures at different times indicated the occurrence of stronger cementitious reactions in the soil-steel slag-Class-C fly ash mixtures than in the soil-steel slag-blast furnace slag mixtures. The two-day and seven-day unconfined compressive strength of the compacted soil-7% steel slag-3% Class-C fly ash mixture were 820 kPa (119 psi) and 886 kPa (128 psi), respectively. The maximum 1-D swelling strain of the soil-7% steel slag-3% Class-C fly ash mixture was 0.13 %. The soil-7% steel slag-3% Class-C fly ash mixture was selected as the most suitable and cost-effective subgrade material for the implementation project. The implementation project for the soil-steel slag-Class-C fly ash mixture was located at the intersection of 109th Avenue and I-65, near Crown Point, Indiana. The pre-mixed 7% steel slag-3% Class-C fly ash mixture was used to stabilize the in situ subgrade soils of some sections of the I-65 ramps located in the SW and NW quadrants of the intersection of 109th Avenue and I-65. Field compaction quality control was done by performing DCPTs and nuclear gauge tests. Cracks or signs of distress were not observed on the subgrade before base course and concrete placement. The soil-steel slag-Class-C fly ash stabilized subgrade performed satisfactorily.

Characteristics And Uses Of Steel Slag In Building Construction

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Author : Ivanka Netinger Grubeša
language : en
Publisher: Woodhead Publishing
Release Date : 2016-05-20

Characteristics And Uses Of Steel Slag In Building Construction written by Ivanka Netinger Grubeša and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-20 with Technology & Engineering categories.

Characteristics and Uses of Steel Slag in Building Construction focuses predominantly on the utilization of ferrous slag (blast furnace and steel slag) in building construction. This extensive literature review discusses the worldwide utilization of ferrous slag and applications in all sectors of civil engineering, including structural engineering, road construction, and hydro-technical structures. It presents cutting-edge research on the characteristics and properties of ferrous slag, and its overall impact on the environment. Comprehensively reviews the literature on the use of blast furnace and steel slag in civil engineering Examines the environmental impact of slag production and its effect on human health Presents cutting-edge research from worldwide studies on the use of blast furnace and steel slag

Properties And Utilization Of Steel Slag In Engineering Applications

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Author : George Wang
language : en
Publisher:
Release Date : 1992

Properties And Utilization Of Steel Slag In Engineering Applications written by George Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Aggregates (Building materials) categories.

Problematic Soils And Geoenvironmental Concerns

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Author : Madhavi Latha Gali
language : en
Publisher: Springer Nature
Release Date : 2020-09-11

Problematic Soils And Geoenvironmental Concerns written by Madhavi Latha Gali and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-11 with Science categories.

This volume comprises select papers presented during the Indian Geotechnical Conference 2018. This volume focuses on discussing the many challenges encountered in geoenvironmental engineering. The book covers sustainability aspects related to geotechnical engineering, problematic soils and ground improvement, use of geosynthetics and concepts of soil dynamics. The contents of this book will be useful to researchers and professionals working in geo-environmental engineering and to policy makers interested in understanding geotechnical concerns related to sustainable development.

Advances In Sustainable Mine Tailings Management

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Author : Lijie Guo
language : en
Publisher: Frontiers Media SA
Release Date : 2023-10-03

Advances In Sustainable Mine Tailings Management written by Lijie Guo and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-03 with Science categories.

Sustainable Utilization Of Carbon Dioxide In Waste Management

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Author : Abdel-Mohsen O. Mohamed
language : en
Publisher: Elsevier
Release Date : 2022-11-25

Sustainable Utilization Of Carbon Dioxide In Waste Management written by Abdel-Mohsen O. Mohamed and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-25 with Science categories.

Sustainable Utilization of Carbon Dioxide in Waste Management addresses all aspects of sustainable use of carbon dioxide in waste management processes and provides best practices and process improvements for carbon sequestration in the management of a variety of waste types, including carbide lime waste, construction waste, and reject brine effluents, amongst others. The book also provides underlying research on the environmental impacts of these wastes and the need for carbon capture to emphasize the importance and need for improvements of these processes. Overall, this information will be key to determining lifecycle benefits of CO2 for each newly improved waste process. This is an important source of information for environmental and sustainability scientists and engineers, as well as academics and researchers in the field who should be trying to achieve increased carbon capture in any form of waste process to reduce environmental impact. Introduces the basic principles of carbon sequestration by alkaline solid waste (cement kiln dust, steel slag, fly ash, and carbide lime wastes), detailing the lack of current sustainability Provides a comprehensive resource on carbon sequestration in a variety of waste processes and practical guidance on applying them to these processes Details the need for carbon capture in these processes and the environmental impacts of not doing so Outlines the methods for determining lifecycle benefits of CO2 for each newly developed product

Controlling Differential Settlement Of Highway Soft Soil Subgrade

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Author : Hanhua Zhu
language : en
Publisher: Springer
Release Date : 2018-05-25

Controlling Differential Settlement Of Highway Soft Soil Subgrade written by Hanhua Zhu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-25 with Science categories.

Drawing on years of practical on-site experience, this book presents a new method for controlling "bridge-head bumping" in soft soil ground. Based on deformation compatibility and control theory of structure, it proposes strategies for improving the design method of soft soil ground and the effective "bridge-head bumping" control method. Soft soil ground is chiefly characterized by a large void ratio, high compressibility, high water content, low impermeability, low strength, strong structure and high sensitivity. As a result, it has pronounced rheological properties, and controlling "bridge-head bumping" in soft soil ground is essential to control the amount of soil rheology-induced unstable successive settlement. The book offers extensive information on this and related topics, making it a valuable guide for engineers in Civil Engineering and Geotechnical Engineering alike.

Blastfurnace And Steel Slag Production Properties And Uses

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Author : A. R. Lee
language : en
Publisher: John Wiley & Sons
Release Date : 1974

Blastfurnace And Steel Slag Production Properties And Uses written by A. R. Lee and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Technology & Engineering categories.

Rare Metal Technology 2023

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Author : Takanari Ouchi
language : en
Publisher: Springer Nature
Release Date : 2023-02-10

Rare Metal Technology 2023 written by Takanari Ouchi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-10 with Technology & Engineering categories.

This collection presents papers from a symposium on extraction of rare metals from primary and secondary materials and residues as well as rare metals extraction processing techniques used in metal production. The collection covers the extraction of less common or minor metals including elements such as antimony, bismuth, barium, beryllium, boron, calcium, chromium, gallium, germanium, hafnium, indium, manganese, molybdenum, platinum group metals, rare earth metals, rhenium, scandium, selenium, sodium, strontium, tantalum, tellurium, and tungsten. It also includes rare metals of low-tonnage sales compared to high-tonnage metals (iron, copper, nickel, lead, tin, zinc, or light metals such as aluminum, magnesium, or titanium and electronic metalloid silicon). Rare metal processing covers bio-metallurgy, hydro-metallurgy, and electro-metallurgy while novel high-temperature processes such as microwave heating, solar-thermal reaction synthesis, and cold crucible synthesis of rare metals are also addressed. Also included in this collection is the design of extraction equipment used in these processes from suppliers as well as laboratory and pilot plant studies.