Pdf characteristics and utilization of steel slag in road. Lewis, properties and uses of iron and steel slags. However, there is a lack of information on the flow of steel slag leachate through natural soils. Properties and uses of iron and steel slags national slag. Sep 26, 2011 steel slag is a kind of alkaline mixture and considered to be a potential co2 adsorbent. Recent construction and building materials articles elsevier. Today, iron and steel slag is used in many fields where its unique characteristics can be put to effective use.
Aisc weight the weight of structural steel as defined by the aisc. Builders, architects, and designers have always chosen steel over other materials and with the increase in popularity of steel buildings, its demand has inc. In the production of iron, the blast furnace is charged with iron ore, fluxing agents, usually limestone and dolomite, and coke as fuel and the reducing agent. Characteristics and applications of iron and steel slag. Experimental study of steel slag used as aggregate in asphalt. Characteristics and utilization of steel slag in road construction presently, the rate of utilization of steel slag in malaysia is rather too low compared to some advanced countries.
Steel structures books archives page 6 of 6 civil mdc. Strength development characteristics of concrete produced with blended cement using ground granulated blast furnace slag ggbs under various curing conditions shahab samad1,2, attaullah shah2 and mukesh c limbachiya1 1school of civil engineering and. Cleaning architectural stainless steel pdf erection and installation of stainless steel components pdf. Steel slag material description user guidelines for waste. The applications of steel slag powder and steel slag aggregate in ultrahigh performance concrete uhpc were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. Evaluation of strength characteristics of steel slag concrete. Use of steel slag in construction of flexible pavement. Any sandy component or quartz component of the original ore automatically carries through the smelting process as silicon dioxide. Uts and ces have completed the underground roughin utilities.
Electric arc furnace slag eaf or steel furnace slag produced when scrap metal and fluxes are oxidized by the use of an electric current. Request pdf characteristics and uses of steel slag in building construction characteristics and uses of steel slag in building construction focuses. Steel slag is a kind of alkaline mixture and considered to be a potential co 2 adsorbent. In this work, the co2trapping characteristics of two types of steel slag, basic oxygen furnace bof steel slag and electric arc furnace eaf steel slag, were experimentally investigated. In actual fact, these byproducts are valuable and extremely versatile construction materials. The feasibility of utilizing of steel slag and local soil in construction of flexible pavement with variation of percentage in soil. Bansode, characteristics and uses of steel slag in building construction woodhead publishing, elsevier.
The slag processor may also be required to satisfy moisture content criteria e. Annually, 21 million tons of steel slag ss is produced in the united states. Prior to its use as a construction aggregate material, steel slag must be crushed and screened to meet the specified gradation requirements for the particular application. Additional changes are made possible by heattreatingfor instance, by accelerating the rate of cooling through the austenitetoferrite transformation point, shown by the psk line in the figure. Use of steel slag aggregate in pavements report november 2015. As a result of growing environmental awareness, iron and steel slag is highly regarded as a recycled material that can reduce impacts on the environment due to its resourceconservation and energysaving effects. Characteristics and uses of steel slag in building construction. Physical and chemical characteristics of blast furnace. Evaluation of strength characteristics of steel slag.
Steel slag aggregate for hotmix asphalt, chip seals and stone mastic asphalt. Characteristics and uses of steel slag in building. Steel slag is a byproduct of molten iron processing, and different types of steel slag are formed depending on a specific type or grade of steel and the furnace used during steel production. In 2006, steel slag generation was estimated to be in 1015 million metric ton mt range in the u.
Steel slag has now gained much attention because of its new applications. Aggregate particles have certain physical and chemical properties which make the aggregate acceptable or unacceptable for specific uses and conditions. Steel slag material description user guidelines for. Recent construction and building materials articles recently published articles from construction and building materials. Characteristics and utilization of steel slag in road. Geotechnical and environmental impacts of steel slag use in. Experimental investigation on compressive strength of ld. Because the tensile strength of concrete is much lower than its compressive strength, it is typically reinforced with steel bars, in which case it is known as reinforced concrete.
Physical and chemical characteristics of blast furnace, basic. Mar 16, 2019 evaluation of strength characteristics of steel slag concrete written by hardeep singh, rajwinder singh bansal published on 20190316 download full article with reference data and citations. Use of steel slag aggregate in pavements report november. Two major uses of ggbs 2 are in the production of qualityimproved slag cement, namely portland blast furnace cement pbfc and highslag blastfurnace cement hsbfc, with ggbs content ranging typically from 30 to 70% and in the production of readymixed or sitebatched durable concrete. What are the characteristics of steel that make it a. When it comes to construction, steel undoubtedly is the most preferred building material. Study on characteristics of steel slag for co2 capture. Steel slag end uses steel slag hot mix asphalt aggregate provides a sustainable pavement designed for strength and durability. Nov 23, 2014 when it comes to construction, steel undoubtedly is the most preferred building material. Oct 22, 2017 there are many types of steel used in the construction of a building. Adjusting the carbon content is the simplest way to change the mechanical properties of steel.
Steel slag powder has hydraulic properties, and its hydration process is. Steel slag is a byproduct of iron and steel production by the metallurgical industries. Steel slag, a byproduct of steel making, is produced during the separation of the molten steel from impurities in steel making furnaces. Characteristics and uses of steel slag in building construction ivanka netinger grubesa, ivana barisic, aleksandra fucic, samitinjay sadashivrao bansode on. The book provide wide coverage of building materials such as stone, bricks, lime, mortars, concrete, asbestos, gray iron, cast iron, steel castings, aluminium, wood, architectural paints and so many others with their applications in building construction. The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling. Leaching of metals from steel slag has also been studied fallman et al. How many types of steel is used in building construction. Generally, the higher the temperature, the larger the ca use of slag.
This paper aims to study the compressive strength of concrete made using linzdonawitz ld slag as a replacement for natural fine and coarse aggregate with both getting replaced up to 100% at an interval of 20% respectively. Now days, iron and steel slag is used in many areas where its unique characteristics can be used effectively. Applications of steel slag powder and steel slag aggregate in ultra. Utilization of iron and steel slag in building construction. It is important that steel slag used in construction is obtained from a producer who has a quality control program in place and minimizes the amount of unsound particles by exercising necessary quality control procedures. These characteristics make steel the most widelyused metal on earth. It is a fundamental resource for the construction of practically all types of buildings, and necessary building parts, such as reinforcing bars for concrete, suspension cables, cladding and roofing. Approximately 21 million tons of steel industry slag are produced each year in the united states, and many productive commercial uses of slag have been developed e. Properties and uses of iron and steel slag mf 1826 national slag association 6 uses. Characteristics and utilization of steel slag in road construction article pdf available in jurnal teknologi 707 october 2014 with 12,844 reads how we measure reads.
The properties of the slag depend on the type of process used to produce the. Carbon steel is considered as highly safe because of its strengt. The high iron oxide content of the aggregate results in an aggregate that is very hard and very dense ssa is 2030% heavier than naturally occurring aggregates such as basalt and granite. Based on intensive laboratory testing program, the characteristic properties of ssa were assessed to determine its. Applications of steel slag powder and steel slag aggregate. Characteristics and uses of steel slag in building construction 1st. Most of ss is landfilled, which represents a significant economic loss and a waste of valuable land space. The history of slag use in road building dates back to the time of the roman empire, some 2000 years ago.
Geotechnical and environmental impacts of steel slag use. Purchase characteristics and uses of steel slag in building construction 1st edition. Many studies focused on the better way to increase the usage of industrial byproducts in order to ease disposal problems. In this work, the co 2trapping characteristics of two types of steel slag, basic oxygen furnace bof steel slag and electric arc furnace eaf steel slag, were experimentally investigated. Other uses include, skid resistant asphalt aggregate, rail ballast asphaltic concrete aggregate, soil conditioner, hard stand areas and unconfined construction fill. Steel slag concrete for pavement construction ioanna papayianni1, eleftherios anastasiou1, michael papachristoforou1, alexandros liapis1 1laboratory of building materials, department of civil engineering, aristotle university of thessaloniki, greece abstract steel slags are byproducts of steel industry using the electric arc furnace method for.
The chemical composition of steel slag varies as the mineral composition of raw material such as. Steel costructo commercal bulgs steel construction commercial. Evaluation of strength characteristics of steel slag concrete written by hardeep singh, rajwinder singh bansal published on 20190316 download full article with reference data and citations. Steel is an extremely versatile alloy, often wrongly but understandably referred to as a metal. Bansode, in characteristics and uses of steel slag in building construction, 2016. The characteristics of stainless steel, notably its corrosion resistance, aesthetic appearance and mechanical properties, make it ideally suited for many architectural applications. Strength development characteristics of concrete produced. The results show that the fluidity of the paste containing. Slag from steel mills in ferrous smelting, on the other hand, is designed to minimize iron loss and so mainly contains oxides of calcium, silicon, magnesium, and aluminium. Characteristics and uses of steel slag in building construction, 2016.
What are the characteristics of steel that make it a favorite. Electric arc furnace slag, construction and building materials. The twenty eight days compressive strength of concrete of steel slag concrete is found to be but. Find new, innovative uses for bof and eaf steel slag in geotechnical applications. Steel slag is a byproduct of the steel industry and can be used potentially as aggregate in asphalt mixture. Concrete is essentially made from aggregates, each fine and coarse, pasted by a cement paste that is formed of cement and water. The history of slag use in road building dates back to the time of the. Next, follow along with the development of a theoretical building frame from where you, the steelworker, would begin the structural phase after the following phases. Additional changes are made possible by heattreatingfor instance, by accelerating the rate of cooling through the austenitetoferrite transformation point, shown by the p. Experimental investigation on compressive strength of ld slag.
Mar 06, 2017 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. Review on the innovative uses of steel slag for waste. The properties of slag greatly influence its use and thus had got varied applications. Pdf characteristics and utilization of steel slag in. There are many types of steel used in the construction of a building. Steel slag has great potential for the construction of highway. A comprehensive investigation on application of microsilica and rice straw ash in. However, because slag contains heavy metals at concentrations that are higher than in most soil, questions have been raised regarding the need to evaluate the potential human health and environmental.
Here are the three most common steel types used in the construction of buildings. Cost, speed and ease of construction, offsite manufacture, sustainability, adaptability and flexibility are all highly valued by commercial developers. Piles of steel slag, a solid waste generated from the iron and steel industry, could be seen due to no utility found for the past century. Effects of prefatigue damage on mechanical properties of q690 highstrength steel. Yongjie xue, shaopeng wu, haobo hou, jin zha, experimental investigation of. Experimental study of steel slag used as aggregate in. Pdf presently, the rate of utilization of steel slag in malaysia is rather too low compared to some.
Cement stabilization is one of the methods used in building. Industrial architecture, reutilization, building diagnostics, refurbishment, reinforcement 1. The physical properties of iron and steel slags are detailed in table 2. 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 study evaluates the use of steel slag aggregates ssa as substitute for natural aggregates in the production of hot mix asphalt hma for road construction. Steel slag aggregate ssa is a byproduct of the production of steel in an electric arc furnace. Blast furnace slag an overview sciencedirect topics. Essentials of soil mechanics and foundations basic geotechnics seventh edition david f. Strength development characteristics of concrete produced with blended cement using ground granulated blast furnace slag ggbs under various curing conditions shahab samad1,2, attaullah shah2 and mukesh c limbachiya1 1school of civil engineering and construction, kingston university, london, uk.
Other metals added to carbon include chromium, nickel, vanadium, molybdenum and manganese. While some forecasters are taking a slightly more cautious view of the london market in the short term, there is a planning pipeline of well over 100. The compressive strength of mortar steel slag concrete was less throughout earlier stages of natural process, however its achieved nearly same strength as traditional cement mortar when fifty six days. Iron and steel slag statistics and information iron and steel slags are coproducts of iron and steel manufacturing.
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