Coupled deformation–seepage analysis of dynamic capacity tests on open-ended piles in saturated sand

Publikationstyp
Journal Article
Date Issued
2016-02-18
Sprache
English
Author(s)
Grabe, Jürgen  
Heins, Evelyn  
Institut
Geotechnik und Baubetrieb B-5  
TORE-URI
http://hdl.handle.net/11420/3337
Journal
Acta geotechnica  
Volume
12
Issue
1
Start Page
211
End Page
223
Citation
Acta Geotechnica 1 (12): 211-223 (2017-02-01)
Publisher DOI
10.1007/s11440-016-0442-z
Scopus ID
2-s2.0-84958746208
Publisher
Springer
Open-ended piles such as tubular piles or I-beams are used as foundations for offshore and nearshore construction. After the pile installation a load test to estimate the bearing capacity of these open-ended piles is necessary. Due to the offshore conditions and the high bearing capacity of the installed piles a static load test is not normally feasible. Therefore, dynamic load tests are carried out where the wave propagation due to an dynamic impact at the pile head is measured. The methods to estimate the bearing capacity from the measured signal of the dynamic tests were derived for solid pile profiles. It is questionable whether these evaluation techniques are applicable for open-ended piles. Hence, the influence of various important system parameters as well as the differences between static and dynamic load tests on open-ended piles is investigated in this paper.
Subjects
Coupled Eulerian Lagrangian Method
Dynamic pile testing
Finite Element Method
Hypoplasticity
Inverse system identification
Large deformation
Plugging
Static pile load test
Wave propagation
DDC Class
550: Geowissenschaften
600: Technik
620: Ingenieurwissenschaften