Strength and Swelling Properties of Solidified Dredged Materials

Abstract:

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In the context of sustainable development, traditional approaches such as ocean dumping and inland deposit are unsatisfactory for managing such large quantity of dredged marine sediments. The solidified sediments with cement as a new material for road construction are preferred to resolve the present issue for minimizing the impact to environment. Based on the basal characterization of dredged sediments, a series of tests, such as compaction tests, compressive strength and tensile strength tests and swell tests, are performed to explore the engineering properties of treated materials. The compressive and tensile strengths increase with cement content and curing time, while the swell percents of sediments decrease after immersion in water for 4 days. And this treatment method could be considered adaptive and acceptable for the road construction from the point of view of swelling property. Finally, the I-CBR index of cement-treated sediments increases due to the flocculation and cementation compared to the I-CBR index before immersion.

Info:

Periodical:

Advanced Materials Research (Volumes 261-263)

Edited by:

Jingying Zhao

Pages:

812-815

DOI:

10.4028/www.scientific.net/AMR.261-263.812

Citation:

D. X. Wang et al., "Strength and Swelling Properties of Solidified Dredged Materials", Advanced Materials Research, Vols. 261-263, pp. 812-815, 2011

Online since:

May 2011

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Price:

$35.00

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