Influence of Underpinning Pile Drilling Construction on the Bearing Behavior of Existing Loaded Foundation Piles: Case Study

Figure 1

The sketch of the construction process for excavation beneath the existing building. (a) Retaining structure. (b) Underpinning pile. (c) Excavation. (d) Cast pillar. (e) Cutting pile.

(a)

(b)

(c)

(d)

(e)