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  • DFI
    The Secret to Dewatering

    By Gregory M. Landry

    "There is an old joke at Moretrench that defines dewatering as “that element of an underground construction project, which, when disregarded, will generate the low bidder.” Sigmund Freud wrote that al

    Jan 1, 2017

  • DFI
    Foundations Settlement Estimation by Non-Linear Stress-Strain Approach Using CPT Records

    By Abolfazl Eslami, Fatemeh Valikhah

    "Complexity in soil-foundation interaction and subsoil nonlinear behavior cause difficulties and uncertainties in evaluating the actual values of foundation design factors such as settlement. The acqu

    Jan 1, 2017

  • DFI
    Completely Automatized Recognition of the Installation Process in Special Foundation Construction

    By Christian Hoyme, Jochen Maurer, Hans Regler

    Up to today, it has been very difficult to obtain qualitative and quantitative information about the status and production process of a construction site. It is becoming more and more important to be

    Sep 8, 2021

  • DFI
    Diaphragm Wall Construction, Instrumentation, and Testing for a Hydroelectric Power Facility

    By David Gatto, Nicolas A. Willig-Friedrich, Jeff A. Segar

    "With the increasing demand for electricity, and requirements to generate this power cleanly, more producers are turning towards hydroelectric power. A project in Iowa currently under construction wil

    Jan 1, 2016

  • DFI
    Gordie Howe International Bridge Foundations - Drilled Shaft Construction in Challenging Detroit Limestone

    By Jim Glider, Noah Miner

    The Gordie Howe International Bridge is a project to build a cable-stayed bridge and border crossing across the Detroit River. With a span length of 2,800-ft (853.4 meters), the Gordie Howe Internatio

    Sep 8, 2021

  • DFI
    Estimation Of Maximum Unit Side Resistance In Drilled Shaft Foundations From Partially Mobilized Load-displacement Data

    By Ramin Motamed, Anna Panorska``, Joseph A. W. Toth

    In this study, a dataset of 145 bi-directional and static load tests was used to evaluate the load-displacement response with respect to unit side resistance for drilled shafts comprising fully and pa

  • DFI
    Foundation Challenges And Innovative Solutions: The Wharf Phase 2, Washington, Dc

    By Aaron L. Sacks, David R. Good, Srinivas Yennamanda, Joseph K. Carey

    Construction of Parcels 6 and 7, the second phase of The Wharf, began in 2019 and geotechnical construction was completed by December 2020. The overall project consisted of horizontal site, parks, and

    Oct 1, 2022

  • DFI
    Urban Challenges In Design, Co-Ordination And Construction Of Deep Foundations And Retaining Walls

    By Pawan L. Sethi

    Design and construction of deep foundations and basements is increasingly becoming more complex, as the density and frequency of urban development increases. This growth brings various associated chal

    Nov 1, 2022

  • DFI
    Bio-Grout Based Soil Improvement

    By Terzis D. PhD, Katterbach M.

    While awareness around the environmental impact of existing grout materials and chemical binders is increasing rapidly, biotechnologies are growing traction as sustainable alternatives in groundwork o

    May 1, 2022

  • DFI
    Economic Design Of Piling Platforms On Coarse Grained Subgrade

    By Patrick Wong

    The design of piling platforms is addressed in BRE (2004) for both fine grained and coarse grained subgrades. However, for coarse grained subgrades, piling platform designs can often be overly conserv

    Nov 1, 2022

  • DFI
    Long-Term Performance of a Deep Mixed Column-Wall at Arabianranta Area (Helsinki, Finland)

    By Leena Korkiala-Tanttu, Ilkka Vähäaho, Juha Forsman, Paavo Lahdenperä, Kalle Rantala, Osmo Korhonen

    "District of Arabianranta (Helsinki, Finland) has been founded on an old seabed, which was filled with miscellaneous soil materials. The subsoil consists of very low shear strength clays and organic c

    Jan 1, 2015

  • DFI
    Reflections on Tremie Concreting in Deep Foundations

    By Gilbert R. Tallard

    "Pouring deep foundations by the tremie pipe method is nowadays such a common process that it has becomes an unspecified practice. Means and methods are almost entirely at the contactor’s discretion.

    Jan 1, 2017

  • DFI
    The Road to Innovation in Geotechnical Construction (f2290583-6329-4b39-a4c9-b746aba3a1f4)

    By Peter J. Nicholson

    "IntroductionDuring my more than 40 years in the practice of underground construction and engineering, the industry has seen progress from the dig down to rock or hardpan or alternatively drive concre

    Jan 1, 2017

  • DFI
    Collaborative Development of Sustainable & Economical Solutions for Underground Structures

    By Abid Adekunte

    "Whilst safety is considered to be of high priority in every aspect of engineering projects, it is equally important for designers and contractors to be continually aware of their obligations to the i

    Jan 1, 2017

  • DFI
    Grid Type Deep Mixing Applications to Liquefaction Mitigation

    By Masaki Kitazume

    "Many earthquakes take place every year in Japan, in which the 1995 Hyogoken-Nambu earthquake and the 2011 Tohoku earthquake induced both a humanitarian crisis and massive economic impacts. As liquefa

    Jan 1, 2015

  • DFI
    The Road To Innovation In Geotechnical Construction

    By Peter J. Nicholson

    During my more than 40 years in the practice of underground construction and engineering, the industry has seen progress from the dig down to rock or hardpan or alternatively drive concrete or steel i

  • DFI
    The Use of DSM Columns to Control Heavy Haul Railway Embankment Stability

    By Kim Chan, Bryn Thomas, Ben Dening

    "Increased rail capacity is required into Kooragang Coal Terminal near Newcastle, NSW, Australia to relieve rail traffic congestion and improve management of train arrivals. An additional arrivals tra

    Jan 1, 2015

  • DFI
    Bored Pile Construction Challenges in Highly Variable Limestone for a Supertall Building

    By Seth K. Martin, Tony Nichlany, Alan R. Poeppel, Konstantinos Syngros

    "This paper presents a case study on bored pile construction in challenging karst conditions below a supertall building in Kuala Lumpur. Innovative design and construction techniques helped keep the p

    Jan 1, 2016

  • DFI
    Case History: Large Diameter Micropiles for the Highway 53 Relocation Project

    By Nathan W. Iverson, David S. Graham, Paul J. Axtell

    "The Highway 53 relocation project in Virginia, Minnesota, involves construction of a very tall bridge across a currently inactive iron ore mine pit. The inactive pit is partially flooded and serves a

    Jan 1, 2017

  • DFI
    Innovative Alternate Underpinning Solution for Historic Structure in Boston Suburb

    By Eric P. Bregman, Justin Zarrella, Ryan M. Coulson, Connor Johnson

    Within a prominent Boston, MA suburb are a pair of historic stone and mortar structures built in the late 1800’s. Both the Main House and Carriage House have been maintained and occupied throughout th

    Sep 8, 2021