drilling

Bentonite in Piling

Bentonite usage in Piling: 1. Bentonite slurries are used to prevent soil collapse during both the construction of bored site cast price and pre -boring for driver piles. 2. Facilitates driving for pre cast piles used for driver site -cast piles Bentonite Caisson Sinking: Caisson sinking. Monoliths can sunk into place quickly and easily if the cavity between the cast concrete and the excavation if filled with a bentonite slurry. Bentonite Grouting: It is used to seal soils against water seepage to interest the capacity of...


Usage Of Bentonite In Bored Cast In-Situ Piles

During boring for pile, the side of the bore hole is subject to various types of force & pressure like: - Active earth pressure - Overburden Pressure - Hydrostatic pressure - Pore pressure Function To solve & stabilize, a supporting fluid called Bentonite is used. It is primarily due to thixotropic property of bentonite suspension. It permits the material to have the consistency of a fluid when introduction forms a jelly which when agitated becomes a fluid again. Bentonite Circulation System The preparation, stocking & the recovery of the...


Bentonite For Foundation Construction

The action of bentonite was first exploited by the oil industry for drilling and stabilizing wells after to use of casing. Delta 500 or Delta 700 bentonite can be used automatically to aid diaphragm well placing ,pile driving ,caisson sinking and soil grouting. In addition to advance construction, bentonite avoids the noise and vibration problems that influence conventional foundational operation urban areas. Bentonite is like Portland cement, it must be stored under reasonably dry conditions .It is a very colloidal clay. In foundational...