METHOD FOR RIVER BED CLEANING OF SEDIMENTS Russian patent published in 2005 - IPC

FIELD: hydraulic engineering, particularly for cleaning river, channel beds and other structures of sediments.

SUBSTANCE: method for bed cleaning by sequential transversal bulldozers movement involves coarse planning river bed with the use of bulldozer with flat blade; cleaning river bed by moving bulldozers having comb-like blades with different gaps between knives thereof and forming afflux dams along river banks, wherein river bed cleaning is initially carried out by bulldozers having greater gaps between knives of comb-like blades and then by bulldozers having lesser ones. Dam bodies are formed by sequential moving bulldozers with comb-like blades so that upstream dam face comprises coarse fractions, dam top and downstream face thereof has fine fractions. After that silt free from coarse fractions are moved by bulldozers with flat blades to river bed axis to provide following carry-over thereof by high flood.

EFFECT: increased efficiency and economy.

6 dwg