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A platform for research: civil engineering, architecture and urbanism
Failure mechanisms of weld-beaded grouted pile/sleeve connections
AbstractThis paper describes in detail the observations from a series of push-out tests on grouted pile/sleeve connections with weld-beads. As opposed to previous tests aimed at quantifying overall connection strength, the current series was aimed at identifying the load-transfer and failure mechanisms involved. Another aim was to obtain local stress-slip relationships for use in nonlinear modelling of the connections. The results indicate that certain failure modes used to derive strength expressions in some codes are post-failure phenomena and are not the primary failure mechanism. It is also observed that failure of the connection is associated with hoop yielding of the pile, leading to a sudden drop in confining stress. The experimental results indicate that an increase in weld-bead height does not lead to an increase in capacity commensurate with code predictions.
Failure mechanisms of weld-beaded grouted pile/sleeve connections
AbstractThis paper describes in detail the observations from a series of push-out tests on grouted pile/sleeve connections with weld-beads. As opposed to previous tests aimed at quantifying overall connection strength, the current series was aimed at identifying the load-transfer and failure mechanisms involved. Another aim was to obtain local stress-slip relationships for use in nonlinear modelling of the connections. The results indicate that certain failure modes used to derive strength expressions in some codes are post-failure phenomena and are not the primary failure mechanism. It is also observed that failure of the connection is associated with hoop yielding of the pile, leading to a sudden drop in confining stress. The experimental results indicate that an increase in weld-bead height does not lead to an increase in capacity commensurate with code predictions.
Failure mechanisms of weld-beaded grouted pile/sleeve connections
Aritenang, W. (author) / Elnashai, A.S. (author) / Dowling, P.J. (author) / Carroll, B.C. (author)
Marine Structures ; 3 ; 391-417
1990-03-14
27 pages
Article (Journal)
Electronic Resource
English
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