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Broader Use of Steel Slag Aggregates in Concrete

Patel, Jigar P.
http://rave.ohiolink.edu/etdc/view?acc_num=csu1229627352

Abstract Details

2008, Master of Science in Civil Engineering, Cleveland State University, Fenn College of Engineering.
Steel slag is an industrial byproduct obtained from the steel manufacturing industry. It is produced in large quantities during the steel-making operations which utilize Electric Arc Furnaces (EAF). Steel slag can also be produced by smelting iron ore in the Basic Oxygen Furnace (BOF). Steel slag can be used in the construction industry as aggregates in concrete by replacing natural aggregates. Natural aggregates are becoming increasingly scarce and their production and shipment is becoming more difficult. Steel slag is currently used as aggregate in hot mix asphalt surface applications, but there is a need for some additional work to determine the feasibility of utilizing this industrial by-product more wisely as a replacement for both fine and coarse aggregates in a conventional concrete mixture. Most of the volume of concrete is aggregates. Replacing all or some portion of natural aggregates with steel slag would lead to considerable environmental benefits. Most of the natural aggregates in the state of Ohio are shipped in from out of the state, whereas large steel slag deposits are locally available. The primary aim of this research was to evaluate the durability of concrete made with steel slag aggregates. This research has shown that replacing some percentage of natural aggregates by steel slag aggregates causes negligible degradation in strength. It is shown that as the amount of steel slag is increased beyond 75%; the workability of the concrete mixture became an important issue which eventually requires larger amounts of water reducing admixtures to achieve a minimum slump. The results showed that replacing about 50 to 75% of steel slag aggregates by volume for natural aggregates will not do any harm to concrete and also it will not have any adverse effects on the strength and durability.
Norbert Delatte, PhD (Committee Chair)
Paul Bosela, PhD (Committee Member)
Lutful Khan, PhD (Other)
95 p.
Civil Engineering
Steel slag aggregates in concrete

Recommended Citations

Citations

  • Patel, J. P. (2008). Broader Use of Steel Slag Aggregates in Concrete [Master's thesis, Cleveland State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=csu1229627352

    APA Style (7th edition)

  • Patel, Jigar. Broader Use of Steel Slag Aggregates in Concrete. 2008. Cleveland State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=csu1229627352.

    MLA Style (8th edition)

  • Patel, Jigar. "Broader Use of Steel Slag Aggregates in Concrete." Master's thesis, Cleveland State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=csu1229627352

    Chicago Manual of Style (17th edition)

csu1229627352
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© 2008, all rights reserved.
This open access ETD is published by Cleveland State University and OhioLINK.