| Issue |
MATEC Web Conf.
Volume 278, 2019
2018 2nd International Conference on Building Materials and Materials Engineering (ICBMM 2018)
|
|
|---|---|---|
| Article Number | 03007 | |
| Number of page(s) | 4 | |
| Section | Building Structures and Structural Mechanics | |
| DOI | https://doi.org/10.1051/matecconf/201927803007 | |
| Published online | 08 April 2019 | |
Behaviour of Single and Group Helical Piles in Sands from Model Experiments
Dept of Civil and Environmental Engineering, Incheon National University, Republic of Korea
Mainly used foundations of oil sand plants are drilled shafts or driven piles. As environmental regulations become increasingly strict, complete removal of the foundation is becoming more important during the step of plant dismantling. However, it is difficult to remove completely drilled shafts or driven piles which are deeply installed to obtain more bearing capacity. Helical piles can be easily removed and recycled after use. This study analyses the behaviour of single and group helical piles in sands. For single helical piles, pile load tests of helical piles were conducted varying helix spacing, rotation speed and weight of axial loading during pile installation. The single pile tests determined the optimal helix spacing, rotation speed, weight of axial loading during pile installation. And then, pile load test of group helical piles was performed varying pile spacing from the centre place of upper connector based on the optimal installation conditions.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (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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