underpinning foundation in hindi || underpinning building construction

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Underpinning is a technique used in construction to strengthen and stabilize the foundation of an existing building or structure. It involves excavating soil or rock below the existing foundation and then constructing a new foundation beneath it.

Underpinning is typically used in situations where the existing foundation is unable to support the weight of the building, or when the foundation has become unstable due to soil movement or settlement.

The underpinning process involves several steps, including:

Excavation: The soil or rock beneath the existing foundation is excavated in sections to allow access for construction of the new foundation.

Shoring: Temporary shoring is installed to support the building during the excavation and construction process.

Installation of new foundation: A new foundation is constructed beneath the existing foundation using materials such as reinforced concrete, steel, or micropiles.

Backfilling: Once the new foundation is in place, the excavation is backfilled with soil or rock.

Underpinning can be a complex and expensive process, but it is often necessary to ensure the stability and safety of a building or structure. It is important to consult with a qualified structural engineer before undertaking any underpinning work to ensure that the appropriate techniques are used and that the work is carried out safely and effectively.
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