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Open AccessArticle

Bi-Directional Static Load Tests of Pile Models

Faculty of Civil Engineering, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(16), 5492;
Received: 10 July 2020 / Revised: 25 July 2020 / Accepted: 6 August 2020 / Published: 8 August 2020
(This article belongs to the Special Issue Advances in Geotechnical Engineering)
This work examined a new method of bi-directional static load testing for piles, referencing the Osterberg test. Measurements were taken, on a laboratory scale, using six models of piles driven into a box filled with sand. This method allowed for separate measurements of pile base and pile shaft bearing capacities. Based on the results, the total pile bearing capacity and equivalent Q–s diagrams were estimated. The results obtained show that the structure of the equivalent curve according to Osterberg is a good approximation of the standard Q–s curve obtained from load tests, except for loads close to the limit of bearing capacity (those estimates are also complicated by the inapplicability and ambiguity of a definition of the notion of limit bearing capacity); the equivalent pile capacity in the Osterberg method represents, on average, about 80% of the capacity from standard tests. View Full-Text
Keywords: pile testing; axial capacity; laboratory tests pile testing; axial capacity; laboratory tests
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MDPI and ACS Style

Baca, M.; Brząkała, W.; Rybak, J. Bi-Directional Static Load Tests of Pile Models. Appl. Sci. 2020, 10, 5492.

AMA Style

Baca M, Brząkała W, Rybak J. Bi-Directional Static Load Tests of Pile Models. Applied Sciences. 2020; 10(16):5492.

Chicago/Turabian Style

Baca, Michał; Brząkała, Włodzimierz; Rybak, Jarosław. 2020. "Bi-Directional Static Load Tests of Pile Models" Appl. Sci. 10, no. 16: 5492.

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