A diaphragm wall is a reinforced concrete wall that is used to support the deep excavations in large infrastructure projects. The D walls are constructed in panels of length approximately 5m each. The excavation is carried out with the help of a hydraulic grab followed by the lowering of the cage. The stability of the excavated trench is maintained by polymer or bentonite.
Purpose / Necessity of Diaphragm Walls:
- Commonly used in congested urban areas for deep excavations
- Can be constructed in the close of the proximity of existing structures
- In Top-Down Constructions where Diaphragm walls can become part of the structure for underground parking facilities.
- In the cut – a cover method for tunnel construction.
- Designable to carry vertical loads
- Less noise and vibration during installation
INDIANA BUILD INFRASTRUCTURE has successfully constructed projects from 400 mm – 1000 mm thickness upto 30 m depth.