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  • DFI
    Self Hardening Slurry Wall Installation By Hydromill At The Herbert Hoover Dike ? An Innovative Solution

    By Mario Mauro

    In 2007 the US Army Corps of Engineers classified the Herbert Hoover Dike in Florida as a Dam Safety Action Classification (DSAC) 1 dam, and started the implementation of one of the largest dam rehabi

  • DFI
    Deep Compaction Using Vibratory Pile Hammers

    By Dennis Nottingham

    The need for deep compaction of submerged granular soils has led to improvements in this area. In 1971, L.B. Foster Company personnel patented a method of deep compaction using a vibratory pile hammer

    Jan 1, 2013

  • DFI
    Gowanus Pumping Station; Jet Grout Bottom Seal and Deep Support Columns

    By Paul C. Schmall, Kevin Clarke, Paul J. Lewis, John M. Stanbury

    "The $200M rehabilitation of the more than 100-year-old Gowanus Flushing Tunnel and pumping station located on the Gowanus Canal in Brooklyn, NY required deep excavations in an extremely congested urb

    Jan 1, 2016

  • DFI
    Field and Laboratory Mix Trials for a Deep Soil/Cement/Bentonite Cut-Off Wall Using CSM Equipment

    By Russell J. Denny

    "A 25m deep cut-off wall is required for environmental remediation of a Former Chlor-Alkali Plant. Extensive trials were conducted to verify the effectiveness of the mixes proposed, with the requireme

    Jan 1, 2015

  • DFI
    Vibro Stone Columns With Preloading – An Effective Foundation Solution For Large Storage Structures

    By Ramanathan C, Prasad P. V. S. R

    The most critical challenge for any large size storage structures to be constructed on soft compressible soils is bearing capacity and consolidation settlements. Consolidation is the time dependent ph

    Sep 1, 2022

  • DFI
    Innovations and Challenges during Urban Development – Shoring and Foundations of Canada’s Tallest Residential Building

    By Shawna Munn, Nadir Ansari, Toben Jerry

    With ever increasing demands on space in urban environments and smaller available footprints, buildings are being designed to increasing heights to meet the need. This case study discusses the increas

    Jan 1, 2019

  • DFI
    TTMJ – The New System for Slurry (Diaphragm) Wall Joints

    By Maurizio Siepi, Paul van Horn, John Coupland, Julian Crawley

    "TTMJ is the acronym for the Slurry (Diaphragm) Wall Tension Track Milled Joint currently in development as part of the European Union's innovative and far-reaching Horizon 2020 initiative (FTI Pilot-

    Jan 1, 2017

  • DFI
    Analysis of Structural Capacity and Stiffness of Drilled Shafts with Construction Defects and Repairs

    By John P. Turner, Benjamin J. Turner

    "Non-destructive testing and evaluation (NDT/NDE) methods have become standard tools as part of the post-construction quality assurance of drilled shaft foundations. In responding to anomalies, founda

    Jan 1, 2016

  • DFI
    The Berkeley Art Museum: Using Deep Foundations to Repurpose a Historical Building

    By Timothy Nelson, Simon Burnworth

    "The University of California’s new Berkeley Art Museum and Pacific Film Archive will showcase a collection of art and film in a facility that pairs an existing 1930s-era printing press facility with

    Jan 1, 2017

  • DFI
    Goethals Bridge Replacement Project - Performance-Based Design of the Drilled Shaft Foundations

    By Chunli Wei, Mark Jen, Xiaojun Wang

    "After more than 85 years of service, a critical link between New York and New Jersey, the Goethals Bridge over the Arthur Kill waterway, is being replaced with two new parallel bridges. Each bridge i

    Jan 1, 2016

  • DFI
    Design And Construction Of Underground Basin Using Composite Slurry Wall 500 Feet Away From The Pacific Ocean

    By Ihab Allam PE, Meeok Kim. PE. Ph. D

    The wet weather equalization basin (EB) planned for Pacifica, CA is a 45 feet deep rectangular shaped underground water tank containing over 2.1 million gallons of water, and located only 500 feet awa

  • DFI
    Installation and Efficiency of Common Helical Pile Couplings

    By Jason Herron, Joseph Brown

    The common couplings for joining sections of helical piles with an outside diameter of 6.625 inches and 8.625 inches are square on square, flange to flange, external pipe sleeve, internal pipe sleeve,

    Jan 1, 2019

  • DFI
    Design And Construction Of The Deepest Cfa Pile In Australia

    By W. L. Chong

    For a project located in Docklands Victoria, a high-rise development was proposed where the geology comprised soils of various compositions and consistencies to approximately 50m deep before being und

    Nov 1, 2022

  • DFI
    Numerical Evaluation of Top of Rock Profile, Rock Strength and Conductivity.

    By Zhang Wengang, L. John Endicott

    The properties of many geological materials are variable. This is especially true for variations in elevation of the top of rock profile, strength of weathered rock, and conductivity of rock masses. O

    Jan 1, 2019

  • DFI
    Dynamic Load Testing Of Non-Uniform Piles

    By Thai Nguyen Ph. D

    Dynamic Load Test (DLT) on driven piles has been performed routinely all over the world. In several recent projects, even 100% testing has become a norm where every single pile is dynamically load tes

    Oct 1, 2022

  • DFI
    Vertical Load Test on a Drilled Shaft Installed in Glacially Derived Sediments

    By Robert C. Simpson, Ghada S. Ellithy

    "There are several methods for estimating the axial capacity of drilled shafts installed in coarse-grained soils. Most methods estimate the ultimate capacity for side friction and tip resistance. Desi

    Jan 1, 2015

  • DFI
    Boston Waterfront Redevelopment: Re-use Of Existing Pier Piles To House Future Generations

    By John P. Briand III, Douglas J. Aghjayan, Robert E. Fosse

    This paper highlights the successful pile load testing program for the redevelopment of Pier One in East Boston, Massachusetts. Pier One is a 5.4-acre parcel on a dormant waterfront site used in the 1

  • 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
    Goethals Bridge Replacement Foundation Design Modifications Due to Field Conditions

    By John P. Turner, Mark Jen, Bobby Daita

    "The Port Authority of New York and New Jersey is replacing the existing Goethals Bridge built in 1928 which is deemed to be functionally obsolete. The replacement bridge will consist of a dual cable-

    Jan 1, 2016

  • DFI
    Impact Of Groundwater Flow On Design Of Open Underground Excavation

    By Heman Manchanda, Sandeep Sharma

    Several infrastructure projects are in various stages of construction and planning in India and almost all of them involves open ground excavation extending to varying depths. These structures are gen

    Sep 1, 2022