Effect of Desiccation on Geotechnical Properties of Dredged Materials and Trafficability Study

Shing,Tom (2002). Effect of Desiccation on Geotechnical Properties of Dredged Materials and Trafficability Study Honours Thesis, School of Engineering, The University of Queensland.

       
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Author Shing,Tom
Thesis Title Effect of Desiccation on Geotechnical Properties of Dredged Materials and Trafficability Study
School, Centre or Institute School of Engineering
Institution The University of Queensland
Publication date 2002
Thesis type Honours Thesis
Supervisor Not known
Total pages 65
Language eng
Subjects 0905 Civil Engineering
Formatted abstract
Dredged material disposal is an increasing problem facing today’s modern ports. Dredging is necessary to maintain channel depth for the safe passage of boats due to the natural process of sedimentation. Alternative disposal techniques are currently under investigation. This project examines the effect of desiccation on geotechnical properties of fine grained dredged material and the trafficability of the soil. A total of five samples from different locations around Brisbane are collected and tested.

Some of the physical and engineering properties, such as Atterberg limits, specific gravity, organic content, particle size distribution, void ratio and the effect of desiccation, are determined through laboratory testings.

Evaporation rate and the critical moisture content are calculated. The experimental desiccation rate is replicated using a mathematical model developed by Benson & Sill in 1991.

Soil strength profiles are obtained from a manual cone penetrometer for all 5 sites visited. Three cone penetrometer tests are performed under dry condition, and others are completed in wet weather. From the plot of cone loads versus depth, the thickness of the desiccated crust is determined, and the cone index calculated.
Keyword Dredged Materials

Document type: Thesis
Collection: UQ Theses (non-RHD) - UQ staff and students only
 
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Created: Thu, 27 Nov 2014, 13:14:11 EST by Asma Asrar Qureshi on behalf of Scholarly Communication and Digitisation Service