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Analysis of the Settlement of New Construction Drill-Injection Pile with Broadening at the End in Silty-Clayed Soils
https://orcid.org/http://orcid.org/0000-0003-3214-7907
The article presents a new «soft-injection» technology of the foundation strengthening in silty-clayed soils. This technology is based on re-design drilling-injection pile producing with using a metal pipe and the rubber membrane cup at the end. When mortar is injected, the membrane increases in size (stretches) in the soil massif and widens to the predicted diameter on the lower end. This article contains the algorithm for determining the nonlinear settlement of drilling-injection pile in clay soils under static loading and the method of calculations settlement broadening at the end of pile. According results of the pilot study to present graphics showing susceptibility settlement of building from loading. Also given comparative analysis this data with calculated and regulatory values. On the basis of the analysis of the results of field tests and the existing methods for the prediction of interaction of the formed body of the pile with soil, we compute the principal design-basis parameters. We propose an algorithm for the evaluation of settlement of the drill-injection pile with controlled broadening taking into account both the variations of the characteristics of the compacted zone of soil near the pile and the influence of residual stresses.
Analysis of the Settlement of New Construction Drill-Injection Pile with Broadening at the End in Silty-Clayed Soils
https://orcid.org/http://orcid.org/0000-0003-3214-7907
The article presents a new «soft-injection» technology of the foundation strengthening in silty-clayed soils. This technology is based on re-design drilling-injection pile producing with using a metal pipe and the rubber membrane cup at the end. When mortar is injected, the membrane increases in size (stretches) in the soil massif and widens to the predicted diameter on the lower end. This article contains the algorithm for determining the nonlinear settlement of drilling-injection pile in clay soils under static loading and the method of calculations settlement broadening at the end of pile. According results of the pilot study to present graphics showing susceptibility settlement of building from loading. Also given comparative analysis this data with calculated and regulatory values. On the basis of the analysis of the results of field tests and the existing methods for the prediction of interaction of the formed body of the pile with soil, we compute the principal design-basis parameters. We propose an algorithm for the evaluation of settlement of the drill-injection pile with controlled broadening taking into account both the variations of the characteristics of the compacted zone of soil near the pile and the influence of residual stresses.
Analysis of the Settlement of New Construction Drill-Injection Pile with Broadening at the End in Silty-Clayed Soils
https://orcid.org/http://orcid.org/0000-0003-3214-7907
The article presents a new «soft-injection» technology of the foundation strengthening in silty-clayed soils. This technology is based on re-design drilling-injection pile producing with using a metal pipe and the rubber membrane cup at the end. When mortar is injected, the membrane increases in size (stretches) in the soil massif and widens to the predicted diameter on the lower end. This article contains the algorithm for determining the nonlinear settlement of drilling-injection pile in clay soils under static loading and the method of calculations settlement broadening at the end of pile. According results of the pilot study to present graphics showing susceptibility settlement of building from loading. Also given comparative analysis this data with calculated and regulatory values. On the basis of the analysis of the results of field tests and the existing methods for the prediction of interaction of the formed body of the pile with soil, we compute the principal design-basis parameters. We propose an algorithm for the evaluation of settlement of the drill-injection pile with controlled broadening taking into account both the variations of the characteristics of the compacted zone of soil near the pile and the influence of residual stresses.
Analysis of the Settlement of New Construction Drill-Injection Pile with Broadening at the End in Silty-Clayed Soils
Lecture Notes in Civil Engineering
Petriaev, Andrei (editor) / Konon, Anastasia (editor) / Samokhvalov, Mikhail (author) / Geidt, Andrei (author) / Paronko, Aleksandr (author)
2020-01-03
11 pages
Article/Chapter (Book)
Electronic Resource
English
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