Behavior of piled rafts in sand under nonuniform and eccentric loads.
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| Title: | Behavior of piled rafts in sand under nonuniform and eccentric loads. |
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| Authors: | Bhartiya, Priyanka1 (AUTHOR), Basu, Dipanjan2 (AUTHOR) dipanjan.basu@uwaterloo.ca, Chakraborty, Tanusree3 (AUTHOR) |
| Source: | Acta Geotechnica. Aug2024, Vol. 19 Issue 8, p5315-5336. 22p. |
| Subjects: | Eccentric loads, Building foundations, Finite element method, Sand |
| Abstract: | Piled raft foundations (PRFs) below stepped high rise towers are often subjected to non-uniform loads with eccentricities. In this study, twenty five cases of rectangular rafts with different pile configurations and orientations embedded in sand are analyzed using nonlinear three-dimensional finite element analysis. These PRFs are subjected to different triangularly distributed loads and uniformly distributed loads with and without eccentricities. The piled raft responses investigated are the maximum and differential settlements, angular distortion, tilt, load sharing between the raft and the piles, the load carried by the individual piles, and the subgrade modulus (spring constant) at the raft-soil and pile-soil interfaces. The PRF responses are greatly influenced by the distribution of the applied loads and the magnitudes of the load eccentricities. The study provides insights into the PRF behavior under nonuniform and eccentric loads and may help practitioners in making informed design decisions. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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