Title: Practical Recommendations for Defect Avoidance in Deep Foundations (Pre-Published)

Author(s): Christopher Wilkes, Fragkoulis Kanavaris, Chris Barker, Duncan Nicholson

Publication: Materials Journal

Volume:

Issue:

Appears on pages(s):

Keywords: concrete testing; rheology; tremie concrete

DOI: 10.14359/51742262

Date: 9/13/2024

Abstract:
This paper presents a method for simply qualifying the practical risk of casting deep foundations based upon a combination of the behavior of the fresh concrete through testing and the confinement conditions of the foundation from a design perspective. A framework to qualify which aspects of the tremie process lead to defects is developed for the first time. Flow behavior, confinement conditions, and free-water availability are identified as key contributors to specific defects present within tremie concrete foundations. Finally, a novel risk map for tremie concrete is presented.