| Issue |
MATEC Web Conf.
Volume 251, 2018
VI International Scientific Conference “Integration, Partnership and Innovation in Construction Science and Education” (IPICSE-2018)
|
|
|---|---|---|
| Article Number | 04054 | |
| Number of page(s) | 8 | |
| Section | Modelling and Mechanics of Building Structures | |
| DOI | https://doi.org/10.1051/matecconf/201825104054 | |
| Published online | 14 December 2018 | |
Study on the settlement of raft foundations by different methods
Ho Chi Minh City University of Technology, VNU-HCM, Vietnam
* Corresponding author: lebavinh@hcmut.edu.vn
In order to study effects of the size, the stiffness of foundation, and the applied load on the thickness of compressed zone and the settlement of raft foundations, this paper analyze methods of settlement calculation such as the method of summation of partial settlements, the method of elastic layer of finite thickness, and the finite element method with the PLAXIS 3D software. Effects of the size of foundation are considered with many areas of foundation such as 150 m2, 338 m2, 600 m2, 938 m2, 1350 m2, 1838 m2, and 2400 m2; and effects of the applied load of the upper structure are considered with many values of 150 kN/m2, 200 kN/m2, and 250 kN/m2. There are remarkable differences between settlements calculated by the analytical methods and ones simulated by PLAXIS 3D. From the analysis and evaluation of calculated results, this paper proposes a suitable method to determine the thickness of compressed zone, as well as the method of calculation of settlement for raft foundations.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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