Terra Et Aqua

Number 153 - December 2018

DOWNLOAD COMPLETE ISSUE

Download the complete issue.

Download

Articles

What happens when individuals step up safety during dredging activities?

By viewing routine processes and situations through a continuous lens of safety, individuals can help make operational processes on water or land safer. Eight solutions nominated for IADC’s Safety Award demonstrate the benefit of this approach.

Download

Are the days of the double-walled pump housing numbered?

EWOUT VAN DUURSEN

For several decades, the preferred solution for isolating dredging pumps within a vessel has been double-walled pump housing. To bypass this housing type’s intrinsic problems, Damen formulated an alternative.

Download

Can a preliminary model describe CSD spillage due to centrifugal advection?

JEROEN WERKHOVEN, BAS NIEUWBOER, ALDEN LOUIS, ROBERT RAMSDELL, SAPE MIEDEMA

Depending on its size and installed power, a Cutter Suction Dredger is capable of cutting a wide range of soil types. Although precise and relatively efficient, a CSD can spill significantly. The authors propose a preliminary model which describes spillage due to centrifugal advection.

Download
cover

Delve into this issue’s articles about sustainable dredging, grass-roots safety and a spillage estimator.

Archive