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  • DFI
    Advanced Continuous Surface Wave Testing (Acsw): Geologic And Geotechnical Site Characterization For The 21St Century

    By David Wilshaw

    Continuous Surface Wave (CSW) testing has been the “next big thing” in ground characterization for the last 25 years. The technique uses surface geophones to measure the speed at which Rayleigh waves

    Oct 1, 2022

  • DFI
    Proceedings Of Earth Retention Systems 2003: A Joint Conference - Earth Retention Systems In The Urban Environment - Special Considerations

    By George J. Tamara

    The urban environment presents special challenges for the design and construction of earth retention systems. Complications arising from difficult subsurface conditions are compounded by the presence

    Jan 1, 2003

  • DFI
    Large Diameter Helical Piles for Refinery Expansion

    By Chris Normand, Paul Volpe, Eric Wey, Howard Perko, Burt Ogilvie, Patrick Murray

    "A refinery expansion project for Marathon Petroleum Company in Southern Louisiana required existing medium to large pipe racks to be expanded for additional capacity. Foundation modifications were ne

    Jan 1, 2017

  • 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
    Construction of Cooling Water Intake Shafts for the Oak Creek Expansion Project, Oak Creek, Wisconsin

    By Edward Jacobsen

    The Oak Creek Power Plant in Oak Creek, Wisconsin is currently undertaking an expansion project. In order to supply cooling water to this facility, a 27' (8.2m) diameter tunnel will be bored, in

    May 11, 2007

  • DFI
    Laboratory Validation Of In-Situ Tests - 1. Introduction

    This paper summarizes seven years of Italian ex­perience with the use of large calibration chambers for the calibration, under closely controlled stress and strain conditions, of some in situ testing

    Jan 1, 1987

  • DFI
    Overview of Construction and Design of Auger Cast-in-Place and Drilled Displacement Piles

    By Monica Prezzi

    "Auger cast-in-place (ACIP} piles and drilled displacement piles are being increasingly used as foundation elements for structures, particularly in projects requiring accelerated construction or invol

    Jan 1, 2005

  • DFI
    Collaborative Value Engineering Redesign - DFI 2020

    By Martin Mcdermott, Kevin Tehansky, Robert Ross, Jeffrey Goodwin

    A foundation value engineering redesign is a collaboration between the project owner, original design team, general contractor, foundation contractor and redesign team. Without the acceptance and coll

  • DFI
    Diaphragm Wall Technique Used In A Different Way Cutting Trenches Up To 823 Ft. (251 M) For An Exploration And Bulk Sampling Program

    By Stefan Schwank, Alexander Blatt, Franz-Werner Gerressen

    Diaphragm wall technique is usually used to install diaphragm walls, which are known as underground structural elements commonly used for retention systems and permanent foundation elements as well as

  • 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

  • DFI
    The Galataport Project In Istanbul, Turkey. A Unique Case History In Geotechnical Engineering

    By Carlandrea Albonico, Salvatore Miranda

    After a brief introduction of the whole Project, the paper describes two special geotechnical engineering solutions provided within the scope of the Galataport Project, in Istanbul, Turkey. The first

    Nov 1, 2022

  • 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
    Using Settlement-Control Piles To Enhance Mat Foundation Of A High-Rise Building In Orlando

    By Amr M. Sallam

    A case history of utilizing a mat foundation enhanced with ?settlement-control? piles to support a high-rise building in Downtown Orlando is presented. Original geotechnical engineering studies, perf

    Jan 1, 2009

  • DFI
    Building The Devil’s Playground: How a Ground Improvement Program Eliminated the Need for Pile Foundations

    By Christian B. Woods, Joe C. Drumheller

    "Kenneth A. Huber, P.E., Langan Engineering & Environmental Services, New York, New York, USAThe dream to bring New Jersey Devils hockey to the largest city in New Jersey became a reality in the summe

    Jan 1, 2015

  • DFI
    Observing Friction Fatigue using High Strain Dynamic Pile Testing

    By Ronald Damen, Dion Denes

    "Friction fatigue is the loss of soil-pile friction around the shaft area of the pile. It has been observed during impact driving of piles, and has been modelled to a limited degree using physical sca

    Jan 1, 1900

  • 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
    Investigations on the Distress to the Pavements/PQC Slab around Monorail Piers, Wadala, Mumbai

    By Unnikrishnan Nair, Sandeep S. Nikam, Sanjay D. Patil, Prabir C. Basu

    "Mumbai Metropolitan Region Development Authority (MMRDA) entrusted to implement Monorail Systems in various parts of Mumbai Metropolitan Region (MMR) with the objective to supplement the present tran

    Jan 1, 2015

  • DFI
    Prescriptive Specification Design: The Impact on Cost and Constructability – Case History

    By Shawna Munn, Nadir Ansari, Allison Bennett

    "This paper outlines how specification driven design has made Toronto Area transit infrastructure projects more expensive than similar private projects, and provides a case study of the results of an

    Jan 1, 2017

  • DFI
    Laboratory Modeling of Internal Erosion in Dam Foundations

    By Kenneth E. Henn, David B. Paul, John D. Rice, Brian H. Greene

    "Several laboratory modeling programs have been conducted to investigate the mechanisms associated with internal erosion of dam embankments and foundations. The investigation consists of developing l

    Jan 1, 2016

  • DFI
    Very Deep Foundations in Rock: The New Challenge in the Foundation Industry.

    By Paolo Cavalcoli, Federico Pagliacci

    "As opposed to the static functional recovery of existing structures, the construction of infrastructures in an urban environment, when combined with complex geological situations, often involves buil

    Jan 1, 2015