EXPERIMENTAL RESEARCH OF STABILIZATION OF POLLUTED MARINE DREDGED SEDIMENTS BY USING SILICA FUME

Silitonga, Ernesto Maringan (2017) EXPERIMENTAL RESEARCH OF STABILIZATION OF POLLUTED MARINE DREDGED SEDIMENTS BY USING SILICA FUME. MATEC Web of Conference 138. pp. 1-10.

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Abstract

In order to maintain the harbour activities, big amount of sediments are dredged every year. The traditional solution such as dumping the dredged sediments to the sea/river since its regulated in Europe, is not an option anymore. Therefore the beneficial reuse of polluted marine dredged sediments is urgently needed to realize. This study focused on reuse the dredged sediment in road construction. The main objective of this research is to enhance the physical, mechanical and chemical characteristics of the mix by incorporating binders sediments to fulfil the criteria in their use as material in road construction. The results show that the treatment by hydraulics binders and silica fume could satisfy the needed mechanical characteristics. The main reason of Silica Fume addition is its capability to trap the pollutants so that the pollutants could not escape from the matrix and pollute the environment. After the geotechnical study in laboratory results show as expected, then the study to identify the chemical characteristic realized. To evaluate the environmental impacts of the use material, leaching test are performed. The leaching test was performed to verify the predicted release of pollutants based on total dissolution. And for the final part, the test results show that the polluted marine dredged sediments could be safely used (in term of environmental impact) as a new material in road construction.

Item Type: Article
Keywords: Marine; Cylindrical
Subjects: T Technology > TD Environmental technology. Sanitary engineering > TD172 Environmental pollution
T Technology > TD Environmental technology. Sanitary engineering > TD172 Environmental pollution
Divisions: Fakultas Teknik
Depositing User: Mrs Gusti Lisa Utami
Date Deposited: 28 May 2018 06:38
Last Modified: 16 Oct 2018 09:40
URI: https://digilib.unimed.ac.id/id/eprint/30503

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