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Materials considered for pavement and embankment design

Shahjahan, Muhammad (2010)
M.Phil. thesis, University of Birmingham.

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Much of the land area of Bangladesh is in the flood plain and constructing durable roads has always proven challenging since the host soils are not generally suitable and there is lack of suitable aggregate. In addition to these challenging conditions, engineers invariable have limited methods of evaluating relevant soil properties for undertaking suitable design. In order to overcome some of the resulting difficulties an investigation was undertaken to evaluate properties of soils through various means, which in the main included locally available equipment and evaluating correlations for better estimating required properties. This work comprised of a ground investigations using very limited range of equipment (hand augers and SPT) and results were compared with measured values and with commonly used correlations. Findings pointed to the importance of ensuring that only correlations that were developed for local soils should be used. Survey of upper layers of the road showed that some of the surfacing materials had aged and no longer complied with the specifications. Poor underlying road subgrade and aged overlying layers of pavements is likely to result in increased maintenance issues. Better information at the design stage can help to address some of issues at least.

Type of Work:M.Phil. thesis.
Supervisor(s):Ghataora, G.S. (Gurmel S.) and Evdorides, Harry
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:Department of Civil Engineering
Subjects:TE Highway engineering. Roads and pavements
TA Engineering (General). Civil engineering (General)
Institution:University of Birmingham
ID Code:1011
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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