Thursday, April 10, 2014

Slurry walls used in combination with diaphragm walls, to support excavations

Slurry walls are generally used to seal dams, landfills or industrial installations, but in combination with diaphragm walls they can also support the excavations for the construction of building foundations. Slurry walls provide a non- structural barrier against water access, also called cut- off wall and they are executed from a mixture of bentonite and cement.

OCTAGON CONTRACTING & ENGINEERING has built slurry walls within a residential complex, located in Bucharest, on Gheorghe Titeica Street.

Residential Complex- 206- 208 Titeica Street, Bucharest

The excavation within this residential complex with two underground levels, was supported by a combination of diaphragm walls and slurry walls. On one side of the excavation the wall was adjacent to a previously built retaining system made of secant piles. On that side, the diaphragm wall was replaced with a self- hardening slurry wall, made of cemento- bentonite.

Olympia Tower, one of the office buildings with the most modern design in Bucharest, is another projects for the construction of which slurry walls have been used.  

Olympia Tower- Bucharest

OCTAGON executed foundation works and built the concrete structure. The geotechnical construction works consisted in the execution of diaphragm walls D 600 mm, bored piles D 880 mm, top beam 60X150 cm, general excavation of 14.200 cubic meters, foundation raft 900 sqm and metal structure to support the diaphragm walls.

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