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Sediment transport mechanics

Ballio F., Tait S.

Acta Geophysica

2012

Vol. 60, no. 6

1493-1499

The Editor of Acta Geophysica and the Guest Editors wish to dedicate this Topical Issue on Sediment Transport Mechanics to the memory of Stephen Coleman, who died recently. During his career, Stephen had made an outstanding scientific contribution to the topic of Sediment Transport. The level of his contribution is demonstrated in the paper by Aberle, Coleman, and Nikora included in this issue, on which he started working before becoming aware of the illness that led to his untimely death. For scholars and colleagues Stephen remains an example of intellectual honesty and scientific insight.

Gazociąg możliwy dzięki technologii HDD

Tait S.

Inżynieria Bezwykopowa

2010

nr 2

50-52

Budowa gazociągu łączącego północną i południową część zatoki Hampton Roads stała się możliwa dzięki technologii HDD, zastosowanej na lądzie i pod wodą. Inwestor tego projektu - spółka VNG (Virginia Natura Gas), dostawca gazu ziemnego dla stanu Wirginia - zdobył większe możliwości obsługiwania rosnącej bazy odbiorców, jednocześnie promując technologię HDD dla nowych, wymagających projektów.

A 10-mile pipeline that will connect the north and south sides of Hampton Roads Harbor - made possible through onshore and marine horizontal directional drilling - will allow Virginia Natural Gas (VNG) to expand capabilities to serve a growing customer base and will also open new doors for HDD projects, industry experts say. The project's onsite work began in May 2008 and is scheduled for completion in November 2009, with the final land-to-water shore approach completed and tie-ins of the 24-in. steel product pipe now under way. At the heart of the project were seven HDD crossings completed by Mears Group Inc. working closely with the prime contractor, Weeks Marine Inc.