iadc-dredging.com/en/343/webinars/dredging-equipment/ - IADC Webinar on Dredging Equipment: Its evolution, capabilities and importance for maritime infrastructural works.
Presented by: Frans Uelman.
Over the last 50 years the size of dredging equipment has grown tremendously. The current generation of hoppers, cutters and backhoes has enabled the construction of large maritime infrastructural works within a short execution time.
The investments in dredging vessels demonstrate the understanding that dredging contractors have for the ever increasing need for bigger ports and larger deep water land reclamations.
After the first jumbo trailer was built in 1994, eight more of these huge trailing suction hopper dredgers were built over the next six years.
By the year 2000, 33,000 cubic metre so-called ‘mega’ dredgers were operational, i.e. their carrying capacity had doubled in almost ten years time.
Whereas the maximum cutter power installed on cutter suction dredgers was about 3,000 kW in the seventies of the last century, nowadays the largest cutter suction dredgers have cutters powered by 8,000 kW engines. Now, the construction of ports and approach channels in strong rock has become possible.
In addition, the much larger pump capacity installed on these vessels, in combination with their high cutter power, have also reduced the construction time in softer materials. Backhoes with buckets of 40 cubic metre are no exception. So, dredging consistent material at narrow places with a high accuracy has become feasible.
Follow this webinar to learn all about the capabilities and the importance of these 3 prime movers of the modern dredging industry.
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5 авг 2015
