The EFFC and DFI have published their 3rd edition of the Guide to Tremie Concrete for Deep Foundations. It can be found here.
This edition has introduced new insights and research from the task group and our academic partners on subjects such as:
- options to reduce greenhouse gas emissions
- strengthening recommendations regarding acceptance criteria for testing
- interesting new findings from numerical modelling
The Guide continues to be an essential reference for everyone working with Tremies on deep foundation works. It provides definitive values and acceptance criteria for the workability of concrete when carrying out its recommended site tests. Its use should support contractors, clients and consultants to avoid quality issues that can result from the workability of the concrete varying from the correct specification.
Work has also commenced on the Fourth Edition which will require another two years of hard work by the CTG. The major additions to the Fourth Edition will include:
- harmonising the Tremie Guide with the new EN 206 Part 3 which will specifically include additional requirements for concrete in geotechnical works. This will replace the current Annex D in EN 206-1. This inclusion is very significant and most of the new requirements are based on the recommendations in the EFFC/DFI Tremie Guide.
- harmonising the Guide with ACI 336. This is a huge step forward in applying the most suitable test methods and acceptance criteria to modern tremie concrete.
- further detailed numerical modelling studies to understand concrete flow mechanisms, especially in the design of concrete for challenging geotechnical works.
- The CTG has been working closely with a number of academic groups who are doing this work. Further time is required for the results to be evaluated and checked and collated.
Numerical modelling is complex and costly. The CTG believes that the Simulation of Concrete Flow is critical to improve our understanding which will allow better detailing of both the element and the reinforcement cage. This is of significant interest for very large pours (>600 m3) or for deep elements (> 80 m).
The CTG is therefore requesting additional funding from Sponsors to finance these Numerical Modelling Simulations:
- 1,000 Euro/US$ from each of the current Sponsors
- 5,000 Euro/US$ from new Sponsors who wish to support our work
The new Sponsor Group will have their logos at the start of the Fourth edition and their logos will be shown in all presentations of the Guide made by CTG Members.
Please find the Agreement form here: Amended Agreement
Your support is vital to ensuring the continued development and impact of the Tremie Guide. Please contact us for further information, and we look forward to your positive response.