ENHANCING GEOTECHNICAL PROPERTIES OF CONTAMINATED SEDIMENT OF BY USING FLY ASH AND HYDRAULIC BINDERS

Silitonga, Ernesto Maringan (2018) ENHANCING GEOTECHNICAL PROPERTIES OF CONTAMINATED SEDIMENT OF BY USING FLY ASH AND HYDRAULIC BINDERS. International Journal of Science and Research (IJSR), 7 (4). pp. 1554-1560. ISSN 2319-7064

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Official URL: http://www.ijsr.net/

Abstract

The contaminated sediment in this study is a waste material from annual dredging work in industrial harbor. This waste due to its heavy metal content need a special treatment. The reuse of this contaminated sediment as a substitute material in roadwork is one of one of the solutions proposed. In order to meet the requisite in roadwork, a fly ash is used as a binder with an intention to enhance the geotechnical properties of contaminated sediment. Beside that, the main goal of this study is to maximize the utilization of waste by applying a waste stabilization with a waste material. To identify the physical properties of sediment, various engineering test is performed. TCLP (toxicity characteristic leaching procedure)test find out that the sediment categorized as non-hazardous waste. The geotechnical tests performed and concluded that without any binder, the performance of untreated sediment could not passed the requirement needed in roadwork. The effect of fly ash shows an important effect on increase of the strength (unconfined compressive and tensile strength), Due to its Pozzolanic reaction that takes more time to reacts, the addition strength performs at a long-term curing age. The wet and dry test confirmed that fly ash addition is needed in order to increase the sensitivity to water. The test result confirmed that, with the present of fly ash in the admixture, the reuse of the sediment is allowed as a substitute material in the sub base course in road pavement work.

Item Type: Article
Keywords: fly ash; contaminated sediment; geotechnical properties; and road pavement work
Subjects: T Technology > T Technology (General)
T Technology > TC Hydraulic engineering. Ocean engineering
Divisions: Fakultas Teknik
Depositing User: Mrs Gusti Lisa Utami
Date Deposited: 28 May 2018 03:54
URI: http://digilib.unimed.ac.id/id/eprint/30497

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