Flood protection dam, has bags that are filled with moisture expansion material, where material absorbs water and strongly swells water so that volume is increased to specified factor

摘要

The dam has bags that are filled with a moisture expansion material, where the material absorbs the water and strongly swells the water so that the volume is increased to a specified factor. The bags are used for desired purpose by a dry weight between 5 kilogram (kg) and 150 kg. Straps or loops are provided for connecting the bags with each other.