Buckets are recommended for drilling in presence of water and when the drilling technology uses bentonite. As result of different job site reports, buckets are designed in two different ways:
Single opening: suitable for fine grained soils and bored pile up to diameter 1000 mm. They are particularly indicated in case of casings application and coarse gravel. Double opening: suitable for fine grained soils and bored pile up to diameter 1000 mm. They are particularly indicated for secant pile walls.
Designed with a rotating bottom to load drilled material; a vent pipe making the water or bentonite pass through reduces the pressure on the tool so that it can be lifted up easily. Provided with mechanical opening system to unlock bottom parts and release drilled material fastly; they can be supplied with different type of teeth and round shank chisel accordingly with soil and rock hardness.
Buckets diameters match perfectly SIP&T casings in both alternatives: screw and labyrinth types. Their dimensions can be changed on client needs and they are available on request.