Methodology for calculating the settlement of pile-raft foundations and foundations strengthened with piles

¹ Saint-Petersburg State University of Architecture and Civil Engineering, 190005 Saint Petersburg, Russia
² Emperor Alexander I St. Petersburg State Transport University, 190031 Saint Petersburg, Russia

^* Corresponding author: markes404205@gmail.com

Abstract

In the case of using pile technology in the construction and reconstruction of buildings and structures, the issue of assessing the settlement of foundations arises quite sharp-ly. Modern regulatory documents do not reflect reliable methods for calculating the settlement of pile-raft foundations, especially if short piles are used (with a pile length of 3-10 m). The ar-ticle provides a calculation methodology that makes it possible to assess the settlement of foundations, taking into account the distribution of loads between the piles and the raft (strengthened foundation), not only for cases of pile-raft foundations with a low raft, but also for cases of strengthening existing foundations with piles. The proposed technique allows the use of standard (including those reflected in the normative documentation) methods for calcu-lating the settlement, resulting in deformations close to the real ones.