METHOD OF CLEANING SILTED PONDS Russian patent published in 2012 - IPC E02B3/02 E02B15/00 

FIELD: transport.

SUBSTANCE: road 5 is cleaned for vehicles. Temporary weird 9 is arranged upstream of pond source to retain inflowing water. Then, water is drained from pond via flat gate of gatewell 3 or by siphon piping 10. As water level decreases and for uniform laying of ice 11 on silt 12 nearby bank, through saw cuts 13 are made on ice 11 by chainsaw depending on water depth. Note here that saw cut length equals 1 m and spacing between saw cuts varies from 5.0 to 10.0 m, distance ℓ from bank makes where H is water depth, δ is ice thickness, while α is bank slope. Water drained from pond, ice 11 is uniformly laid on slit 12. Then, slit 12 of sapropel is excavated. Cleaning is started from pond source top 8. Chainsaw is used to cut ice lumps. Mechanical shovel 14 loads slit on dump-truck to deliver on platform for it to be frozen-defrosted.

EFFECT: higher efficiency of cleaning.

2 cl, 4 dwg