Articles in this issue

Six Sigma Quality Improvement of Compaction at the new Doha International Airport Project
Six Sigma Quality Improvement of Compaction at the new Doha International Airport Project

The New Doha International Airport project in Qatar comprises amongst other things the construction of a 22-km2 reclamation area. The hydraulically reclaimed fill is compacted using a combination of compaction techniques, amongst which High Energy Impact Compaction (HEIC).

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Deepening, Cleaning and Processing Sediment from the Miami River
Deepening, Cleaning and Processing Sediment from the Miami River

The Miami River corridor was home to early Native American settlements, and in the early 1900s it was dredged in order to assist in draining the Everglades, the subtropical marshland in southern Florida. As the city of Miami developed, the river became a major outlet for storm water and untreated sewage. In 1990 the USACE recommended that maintenance dredging be done to remove sediments impacting navigation.

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An aerial photo of the land reclamation project at the New Doha International Airport site, where new methods of compaction and the Six Sigma quality management system expedited the work.
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Published June 2006