Question

The placing of new Foundation below and the existing foundation of the process of strengthening the existing Foundation is known as the ___________ of foundation.

(a) Shoring

(b) Underpinning

(c) Grouting

(d) Scaffolding

This question was posed to me in an interview.

I would like to ask this question from Underpinning and its Types topic in section Scaffolding, Shoring and Underpinning of Construction & Building Materials

Answer 1

Right choice is (b) Underpinning

The explanation: Following are the situations demanding underpinning: A building with deep Foundation is to be constructed at joint to an existing building; The settlement of existing Foundation has taken placed, resulting in serious cracks in the wall; The basement is to be provided to an existing building.