| Issue |
E3S Web Conf.
Volume 274, 2021
2nd International Scientific Conference on Socio-Technical Construction and Civil Engineering (STCCE – 2021)
|
|
|---|---|---|
| Article Number | 03016 | |
| Number of page(s) | 5 | |
| Section | Building Constructions, Buildings and Structures | |
| DOI | https://doi.org/10.1051/e3sconf/202127403016 | |
| Published online | 18 June 2021 | |
An approach to increasing the load-bearing capacity of drilled injection piles
1 Chuvash State University named after I.N. Ulyanov, 428015 Cheboksary, Russia
2 OOO «NPF Forst», 428000 Cheboksary, Russia
* Corresponding author: ns_sokolov@mail.ru
The problem of strengthening weak or overloaded bases is an important objective of underground space development. It is especially urgent if there are alternating weak layers in the base. The paper presents a practical geotechnical case of strengthening the overloaded base of a reinforced concrete foundation plate for a 25-storey residential building under construction. Combined soil piles that consist of Jet (type 1) soil concrete piles reinforced along the longitudinal axis with drilled injection piles made by electric discharge technology (EDT piles) are used as buried structures. This method of arrangement of a combined buried reinforced concrete structure is conditioned by the need to increase the load-bearing capacity of a pile in soil by two or more times.
Key words: Drilled injection EDT pile / Soil-cement pile / Jet grouting technology / Load-bearing capacity
© The Authors, published by EDP Sciences, 2021
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