IKT – Institute for Underground Infrastructure

Invitation to Webinar: Results of IKT-Compare Evaluation of Flowable Backfill

Posted 28. October 2020

test rig for load plate compression test on flowable backfill

Under pressure: the load plate compression test was used to determine the modulus of elasticity of the installed flowable backfills.

We would like to share the results of IKT’s comparative evaluation of flowable backfill for sewer pipes with you in a webinar on 12th November 2020. Also known as Controlled Low Strength Material (CLSM), flowable backfills were installed in realistic simulated pipe trenches and assessed for a range of performance attributes including: flowability, hardening, pipe support and ease of subsequent excavation.

Use of flowable backfill offers many benefits – narrower trenches as backfill compacting equipment is not needed, smaller quantities of material, relatively fast hardening, potentially better support for the pipe, and easy re-excavation. But, users need to understand the technology to ensure the desired performance is always achieved.
Read more about this IKT Compare

Twice is better

Because of the time differences around the world we are holding the webinar twice in the same day. So you have the choice of attending at:

  • 09.00 – 10.00 CET (08.00 – 09.00 GMT)
  • 16.30 – 17.30 CET (15.30 – 16.30 GMT)

Thursday 12th November 2020

photomontage of portraits of two men

Mark Klameth (left) and Iain Naismith will host the webinar.

The event will be hosted and presented by Dr Mark Klameth and Dr Iain Naismith of IKT and will comprise a 40 minute presentation followed by 20 minutes for questions.

To Register

Webinars to share the results of IKT’s comparative evaluation of flowable backfill for sewer pipes
Wednesday 12th November 2020, at 07.00 GMT and at 15.30 GMT
Participation is free of charge!

The webinar will be held in GoToMeeting – the link will be provided on registration.
To register to attend please e-mail Dr Iain Naismith indicating which of the two sessions you wish to attend.

Contact person

Dr Iain Naismith
IKT Project Manager UK and International
phone: +44 7983 605219
e-mail: naismith@ikt.institute



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IKT - Institute for Underground Infrastructure
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T: +49 (0) 209 17806-0
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