oa Civil Engineering = Siviele Ingenieurswese - Richards Bay coal line improvements: formation design and upgrading
The increased axleloading and projected very heavy traffic intended for the upgraded Richards Bay Coal Line necessitated a complete re-evaluation of the Transport Services' standards for earthwork construction. The design approach, which was based on a combination of experience, empirical results and mechanistic analysis, is descriptionbed in the paper. An account is also given of the investigation which was undertaken to determine whether the existing formation was suitable for carrying the increased traffic.
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