This committee of designers, contractors, researchers, equipment suppliers and owners are involved in the support, use, and understanding and application of soil mixing technology through education, practical guidance, and discussion.
48th Annual Conference on Deep Foundations
October 31 – November 3, 2023 – Seattle, Washington
DFI Midyear Committee Meetings 2023
April 17-21, 2023
Healthy Construction Headspace
February 16, 2023 – New York City
- S3: Slopes Slides and Stabilization 2021 – keynote lectures on deep mixing*
- Ross Boulanger (UC Davis)
- Rob Jameson (Malcolm Drilling)
- Deep Mixing 2021 – On Demand proceedings available
- Deep Mixing 2021 – keynote article series in Deep Foundations magazine
*Available to S3 2021 attendees through your profile.
Committee endorsed research projects that explore soil mixing topics.
- Influences of mixture proportions and test conditions on the strength and stiffness of wet-mixed soil and cement.
Beneficial Reuse of Spoils Task Force
Discussing practices and special provisions that encourage the appropriate use of deep mixed spoils on site.
DFI Soil Mixing Guidelines – overview of the state of practice of Deep Mixing Methods (DMM) in North America, including a guide specification for deep mixing work.
FHWA Design Manual: Deep Mixing for Embankment and Foundation Support – background on deep mixing for U.S. transportation projects and information on design and construction aspects.