Assessment of the Contact between Piles and Soil via the Dynamic Attributes of Acoustic Signals

• Published in: Moscow University geology bulletin Vol. 75; no. 4; pp. 435 - 445
• Main Authors: Kapustin, V. V., Churkin, A. A.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-07-2020; Springer Nature B.V
• Subjects: Bearing capacity; Earth and Environmental Science; Earth Sciences; Geology; Geophysical exploration; Piles; Soil; transient response method; bearing capacity; defectoscopy; acoustic emission; pile testing; low-strain impact method; acoustic contact
• ISSN: 0145-8752; 1934-8436
• DOI: 10.3103/S0145875220040092

—The low-strain impact method is one of the most commonly used nondestructive geophysical methods in pile integrity testing. Data analysis of the low-strain method in the frequency domain allows a researcher to obtain additional information about a foundation. The authors of this article propose a methodology for assessing the contact of piles with soils based on an analysis of the dynamic attributes of the frequency response. Conclusions drawn from using the above-described method can be used by engineers to study the quality of piles and to plan direct static load tests to determine the bearing capacity of piles.