spirituallkak.blogg.se

There are two methods of dredging: mechanical excavating and hydraulic excavating. Maintenance dredging is now only a basic task, while other fields are growing in demand much faster: creating new land for port and industrial development trenching, backfilling and protection work for offshore pipelines, coastal outfall pipelines and for cables laid on the sea bed environmental dredging and clean-up of contaminated sediments replenishment of beaches and coastlines, not only for coastal protection, but also for recreational uses. One of the applications meets the need to maintain minimum depths in canals and harbours by removing mud, sludge, gravel and rocks. Dredging is a displacement of soil, carried out under water.