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  • DFI
    Anchored Diaphragm Wall and Dewatering System for Libya Hotel

    By Claudio Asioli

    "The project’s goal was to construct the Al Ghazala Intercontinental, a multi-use development in the bay area of Tripoli overlooking the Mediterranean Sea. The site of the project is located approxima

    Jan 1, 2017

  • DFI
    Anchored Diaphragm Wall and Dewatering System for Libya Hotel

    By Claudio Asioli

    "The project’s goal was to construct the Al Ghazala Intercontinental, a multi-use development in the bay area of Tripoli overlooking the Mediterranean Sea. The site of the project is located approxima

    Jan 1, 2017

  • DFI
    Deep Dry Soil Mixing Performance and Quality Control Acceptance Criteria

    By Patrick K. Wong, Richard Kelly

    "The variability in strength and compressibility of in situ deep soil mixing products can be greater than the variability of the natural soil. However, satisfactory performance can be achieved by care

    Jan 1, 2015

  • DFI
    Lateral Capacity of Drilled Shafts Considering Push-Pull Resistance

    By Ke Yang

    "Drilled shafts are typically used to support structures subjected to large moments at the shaft head. The large moment can produce push and pull forces on the two sides of a drilled shaft. Consequent

    Jan 1, 2005

  • DFI
    Design Solutions for Seepage End-Around-Effects at Cutoff Wall Depth Transitions

    By Michael Hughes, Selva Selvamohan, Ray Costa

    "Cutoff walls are commonly used to mitigate underseepage problems for levee remediation projects. At abrupt changes in seepage cutoff wall depths there is a potential for water to flow around the back

    Jan 1, 2015

  • 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
    Artificial Ground Freezing: A Smart Application Below The Airport Of Perth

    By Luca Pingue, Regine Jagow-Klaff, Franco Muratore, Carlandrea Albonico, Damiano Frontini, Rudolf Wernecké

    This paper describes an artificial ground freezing (AGF) application carried out to ensure both watertightness and structural support for the safe excavation of four cross passages of the Forrestfield

    May 1, 2022

  • DFI
    Quality Control of Production Pile Installations for US-90 Replacement Bridge Over St. Louis Bay

    By Kevin Kuhl

    With the destruction of the US-90 Bridge spanning St. Louis Bay by Hurricane Katrina, the State of Mississippi awarded its first major design-build contract in order to have a completed four-lane brid

    May 11, 2007

  • 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
    Behavior Of Piled Raft Foundation Systems Under A Combined Set Of Loadings

    By Renato P. Cunha

    The paper explores a parametric analysis of a four-pile group in contact (hence piled raft) and without contact (hence standard pile group) with the superficial soil layer, under a combined set of loa

    Jan 1, 2006

  • DFI
    Wolf Creek Dam Foundation Remediation – An Innovative Solution

    By Fabio Santillan, Lyndon Bedford

    "This paper presents the main features of the Wolf Creek Dam Foundation Remediation Project, highlighting the innovative construction approach and stressing on how the collaboration between the contra

    Jan 1, 2015

  • DFI
    Performance Requirements For Vibrocompaction On Crushable Calcareous Sands Of The Uae And Their Verification In Comparison To Silica/Quartz Sands

    By Vijaya Bhushan Rao, Jason Redgers

    The typical Vibrocompaction projects undertaken in the UAE are on reclaimed Sands. These Sands which are predominantly the crushable, calcareous, carbonate sands found locally as opposed to the more c

    Oct 1, 2022

  • DFI
    The Use of Vibratory Driving of Foundation Piles for Offshore Applications - State of the Practice

    By Nicolas Moscoso, Gerald Verbeek, Marcel Bielefeld, Rob van Dorp

    Upon recently, most offshore foundations were based on a number of driven piles that were installed with an impact hammer. With the increase in offshore windfarms two major developments have occurred:

    Jan 1, 2019

  • DFI
    Performance Based Excavation Support Design For Challenging Urban Site Geometry In Toronto, Canada

    By Shawna Munn, Carol Dounitch, Erika Acton

    The EQ Bank Tower, a 24-storey office tower with 4 levels of underground parking, is currently under construction at 25 Ontario Street in the downtown core of Toronto, Canada. The tower geometry requi

    Oct 1, 2022

  • DFI
    Quality Assessment of Seismic Data Sets and the Impact on Interval Velocity Estimates in DST

    By Gerald Verbeek, Erick Baziw

    "Downhole Seismic Testing (DST) is an important geotechnical testing technique for site characterization as it provides low strain (<10-5) in-situ interval compression (Vp) and shear (Vs) wave velocit

    Jan 1, 2017

  • DFI
    Material Properties for Analysis of Deep Mixing Support Systems

    By Alex Grenoble, Alex Reeb, George Filz, Farzad Abedzadeh

    "This paper summarizes available information on the characteristics and properties of deep-mixed soilcement produced by the wet method. The topics covered in this paper include: unit weight, unconfine

    Jan 1, 2015

  • DFI
    Caisson Foundations For Mississippi River Bridges In The New Orleans Area (2e66a216-6dc8-4479-804e-25f5836f407e)

    By William B. Conway

    This paper will describe the large caisson pier foundations for four of the bridges crossing the Mississippi River in the New Orleans area; and will discuss some of the unusual problems encountered du

    May 11, 2007

  • DFI
    Design, Construction, And Instrumentation Of An Atypical A-Frame Micropile Wall In Aspen, Colorado

    By Kyle Kershaw

    Micropiles are routinely used in the United States for foundation support and stabilization of slopes. In recent years, several retaining walls have been constructed using micropiles in an A-frame ty

    Jan 1, 2007

  • DFI
    Assessment of the Durability of Cementitious Barrier Materials

    By Stephan A. Jefferis, Adrian H. Bath

    "This paper draws together some themes on the durability of barrier systems, and particularly cementitious systems. For contaminated land and water retaining structures, durability can be poorly addre

    Jan 1, 2016

  • DFI
    Augercast Piles - History And Advancements

    By Larry Rayburn

    Augercast piles evolved in the late forties from the process of pressure grouting open holes backfilled with stone. In 1956, a patent was issued for a cast in situ pile by pumping high pressure grout

    Jan 1, 2005