Investigation into Effects of Construction Moisture Content on Inerted Manganese Product Stiffness in Road Pavement Layers

WJvdM Steyn; Dr. J. Strydom

Investigation into Effects of Construction Moisture Content on Inerted Manganese Product Stiffness in Road Pavement Layers

WJvdM Steyn * §

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Dr. J. Strydom

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University of Pretoria

Investigation into Effects of Construction Moisture Content on Inerted Manganese Product Stiffness in Road Pavement Layers

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Abstract

The use of waste materials from various processes as pavement layers has long been an option for disposing of such materials. Huge volumes of material are typically required to construct pavement layers and this option provides the opportunity for disposing of large volumes of materials without requiring landfill areas. Electrolytic Manganese Dioxide (EMD) is produced in South Africa from manganese ore through the process of electrolysis. Belt filter residue from the EMD production residue is thixotropic, and is dried by adding lime. The dried product is known as Inerted Manganese Product (IMP). IMP has been used successfully in pavement layers in South Africa. Uncertainty regarding the optimal Construction Moisture Content (CMC) led to research where five sections with IMP base layers were constructed at different CMCs, followed by monitoring of both short-term and long-term stiffness development in the layer. Data analysis consisted of evaluation of changes in base layer stiffness, focusing on the effect of the differing CMC contents. The paper covers the experimental design, data collected and analyses, leading to conclusions regarding the optimal CMC required to obtain optimal short-term stiffness in the IMP-constructed base layer.

References

5 Cites in Article

Reference Format

(1977). Organisation for Economic Co-Operation and Development (OECD).
D Baldwin (2002). Classification of an IMP and its Utilisation in Covered/Closed Applications for Road Building, Foundations and Backfill.
Theron,D Treurnich,J (2010). Construction and performance of IMP test section.
(2007). Plowman, Sir Claude, (1895–5 Sept. 1954), Chairman: Rajciph Ltd, Manufacturing Enterprises Ltd, Sealanes Pty Ltd, Georgenia St Pty Ltd, etc.; Silverwater Rubber Co. Pty Ltd, etc.
W Steyn,E Sadzik (2007). Application of the Portable Seismic Pavement Analyser (PSPA) for pavement analysis.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

WJvdM Steyn, Dr. Strydom. 2013. "Investigation into Effects of Construction Moisture Content on Inerted Manganese Product Stiffness in Road Pavement Layers". Global Journal of Research in Engineering, Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 13 (GJRE Volume 13 Issue E2).

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GJRE Volume 13 Issue E2

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

behaviour inerted manganese product stabilization stiffness

Classification

GJRE-E Classification FOR Code: 880109

090502

Submission ReceivedDecember 10, 2012
Peer Review Double Blind
Handling Editor
Accepted January 3, 2013
Published January 15, 2013

Version of record

v1.2

Issue date

April 5, 2013

Language

English

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Article Matrices

Total Score: 107

Country: South Africa

Subject: Global Journal of Research in Engineering

Authors: Dr. J. Strydom, WJvdM Steyn (PhD/Dr. count: 1)

View Count (all-time): 328

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Publish Date: 2013 01, Tue

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Total Views: 1.9K

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