A large factor of safety should be adopted in the design of __________ as it is difficult to assess the actual loads.
(a) Vertical shores
(b) Pit method
(c) Horizontal shore
(d) Pile method
I have been asked this question in quiz.
My enquiry is from Underpinning and its Types topic in chapter Scaffolding, Shoring and Underpinning of Construction & Building Materials