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EFFC/DFI Tremie Concrete Guide

Concrete technology continues to advance rapidly and modern mixes with five components – cement, additions, aggregates, (chemical) admixtures and water – often have characteristics which differ significantly from the older three component mixes – cement, aggregates and water. Recent trends have favoured higher strength classes and lower water/cement ratios, resulting in greater dependence on admixtures to compensate for reduced workability and to meet the competing demands for workability in the fresh state and setting time. The application of testing methods which reflect the true rheological properties of the concrete has not developed at the same rate as the mixes themselves and it is still not uncommon for the slump or flow table test to be used as the only acceptance test for the fresh concrete.

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As engineer-to-be you will someday have to decide which field to specalise in. The civil engineer’s work in ground engineering not only offers exciting and challenging construction projects, but also excellent possibilities for a successful career. What’s best: We, the DFI, support you in achieving it.

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  International symposium “Design of piles in Europe - How did EC7 change daily practice".

The European Technical Committee 3 – Piles of ISSMGE organises under the auspices of the Belgian Member Society of ISSMGE (BGGG-GBMS) of the international symposium “Design of piles in Europe - How did EC7 change daily practice". This symposium will take place on 28-29 April 2016 in Leuven, Belgium.

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  Reconstruction, widening and maintenance of the A1 and A6 motorways (Part of the SAA A1/A6 program) – Diemen/Almere, the Netherlands

Rijkswaterstaat, the executive arm of the Dutch Ministry of Infrastructure and the Environment, contracted consortium SAAone for the reconstruction, widening and partly re-routing of the motorways between intersection Diemen (A1 motorway) and Almere Havendreef (A6 motorway). This is the first project of the 63 kilometer road expansion program Schiphol Airport-Amsterdam-Almere (project SAA A1/A6). In 2020, the construction will be finished and this has to result into fewer traffic jams and an enhancement of the area’s livability.

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  DFI Europe Board met in Rome

On the occasion of the entry into the European Board of Massimo Grisolia, professor at the Faculty of Geotechnical Engineering at the Roman University, the board met in Rome on the 1st of December.

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  Dieseko Group reinforces its international position with the acquisition of PVE Piling & Drilling Rigs

Dieseko Group, the Sliedrecht-based global market leader and manufacturer of hydraulic vibro equipment and power units is acquiring PVE Piling & Drilling Rigs (PDR) from PVE Cranes in Oosterhout. PDR (turnover of approx. €20m) is a supplier of pile cranes, drill cranes and hydraulic pile drivers. The company will continue to operate independently in Oosterhout, where assembly, repair & maintenance, service and sales activities are currently conducted. Dieseko, in turn, will offer additional production capacity, R&D and sales support from its base in Sliedrecht.

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  DFI-EFFC Int. Conference Stockholm 2014 on ‘Global Perspective on Sustainable Execution of Deep Foundation Works’

Every 4 years a European Conference is organized together with the European Federation of Foundation Contractors (EFFC). The last European Conference on Piling and Deep Foundations took place 21-23 May 2014 in Ålvsjö, close to Stockholm, Sweden at the Stockholmsmässan (Exhibition Fair).

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  DFI presence at Concrete and Foundations seminar held at RWS Utrecht Conference Centre

Around 85 persons attended the ‘Concrete and Foundations’ Seminar on September 19. All presentations were of a very good quality and not only theoretical, but showed lots of interesting practical case studies and projects in the Netherlands. DFI (Europe) presented themselves with a stand at the Exhibit.

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  Call for Abstracts for 21-23 May 2014 Conference Sweden

Parties interested in presenting and publishing a paper or presenting a video are invited to submit abstracts to the conference online submission site: www.dfi-effc2014submissions.org.

Technical paper abstracts should clearly state the purpose and the conclusions of the full paper.

Video presentation abstracts should describe the planning and execution of foundation work on the project site for techniques in the scope of the conference – piles, walls or deep mixing. Final videos are to be 10-15 minutes and in WMV (Windows Media Video) or MPEG-4 format.

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  Foundation industry launches standardised open source tool to compare the sustainability of different foundation techniques

The European Federation of Foundation Contractors (EFFC) and the Deep Foundations Institute (DFI) are urging the geotechnical sector to make immediate use of their jointly-developed, pioneering carbon calculator tool, the Geotechnical Carbon Calculator.

Developed using internationally recognised standards, the Geotechnical Carbon Calculator is believed to be one of the construction industry’s first standardised and collaboratively produced carbon calculator tools at the European and international level.

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  Seminar on Sustainability in Foundations – The Netherlands

On April 10th DFI Europe together with the Royal Institution of Engineers KIvI-NIRIA and the Dutch Association of Foundation Contractors NVAF organised a seminar on ‘Sustainability in Foundations’. The seminar was attended by 53 representatives of foundation contractors, engineering consultants, universities and public authorities.

At the seminar, the Carbon Calculator, as developed by DFI Europe and the European Federation of Foundation Contractors EFFC, was introduced and demonstrated.

The tool with the first 7 foundation techniques is already available at: www.geotechnicalcarboncalculator.com.

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  DFI – KIVI NIRIA – NVAF Seminar Sustainability in Foundations

DFI (Deep Foundations Institute), KIVI NIRIA (Royal Institute of Engineers) and NVAF (Dutch Federation of Foundation Contractors) are organizing a one day seminar on Sustainability in Foundations on Wednesday, 10th of April 2013. This subject has become very actual in the Netherlands due to the sustainability requirements that have been set by the National Road and Rail authorities.

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  Franz Werner Gerressen joined DFI Europe Board

Only short before the summer period Franz Werner Gerressen was welcomed as new member of the DFI Europe Board.

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  New President of DFI Europe

Officially on the 1st of January, 2012, Frank HAEHNIG from Züblin Spezialtiefbau, Germany, has taken over the Presidency of DFI Europe from Sikko DOORNBOS (Terracon International, the Netherlands).

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  Monitoring and Instrumentation Committee

On Thursday, 12th of January, the official installation and start of the work of the ‘Monitoring & Instrumentation Committee’ took place. The main objective of this new DFI Committee will be to develop a guideline for monitoring and instrumentation works for underground activities.

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  Tommi Lähteinen (Junttan) Member of DFI Board

In the last meeting, held in Darmstadt (Germany) on Monday 7 November 2011, Tommi Lähteinen was welcomed as new Member of the DFI Europe Board. He especially represents the Nordic countries.

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  Great attendance at the Sustainability in Foundations seminar held at BRE Garston Watford UK.

Around 100 persons, 90% of which were from the UK, attended the Sustainability Seminar on November 25. All presentations were of a very good quality and not only theoretical, but showed lots of interesting practical case studies.

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  BRE-DFI Sustainability Seminar POSTPONED until end of year

Due to a shortage of submissions the Sustainability seminar on 26th May 2011 at BRE, Garston Watford, UK has been POSTPONED until the end of the year. Advertisement of this new event will follow soon.

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  BRE-DFI Seminar on Sustainability in Foundations

The special seminar organised by Building Research Establishment (BRE) and Deep Foundation Institute (DFI) has been postponed until November this year. New advertisment on date and programme will follow as soon as possible.

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  Tony Suckling new DFI Board Member

Tony Suckling from Balfour Beatty has been DFI Sustainability Committee Chair for a few years.

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Deep Foundation Institute  - www.dfi.org
Deep Foundations - www.deepfoundations.com
DFI Europe Monitoring & Instrumentation Committee - www.dfi-mic.org

What is the Foundation CO2 Calculator?

The EFFC and DFI have created a tool that will calculate the CO2 emissions of foundation and geotechnical works. It is designed to allow contractors and commissioning organisations alike to assess the carbon footprint of their projects.

The Foundation CO2 Calculator has been developed using verifiable, standardized data to enable accurate benchmarking of competing project proposals. Prior to its development there existed no single standardized tool for calculating CO2 emissions for these types of ground works.

The tool also allows contractors to compare and contrast different technical approaches within the same project and see what the CO2 emissions will be. Furthermore it can be used throughout a project's development to compare how it performed against expectations.

Users of the Foundation CO2 Calculator

The tool is easy to use and enables:

Foundation designers and contractors:-

  • evaluate the carbon footprint of your designs

  • compare the carbon footprint of alternative designs

  • compare pre-project projections of carbon emissions with post-project measurements


  • compare pre-project projections of carbon emissions, with post project measurements

  • compare the carbon footprint of one proposal against another

  • compare pre-project projections with post-project measurements




October 12-15, 2016
41st DFI International Conference on Deep Foundations, Seepage Control and Remediation
New York, NY, USA

Our sponsors

DFI Europe Secretariat, P.O. Box 440, NL - 3840 AK Harderwijk, The Netherlands. Tel. +31(0)341-456 191 Fax +31(0)341-456 208 office@dfi-europe.org
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