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  • DFI
    Prediction of Axial Geotechnical Resistance of Base Grouted Drilled Shafts

    By Emad Farouz, Ehab S. Shatnawi

    "The increasing demand for small deformations and high-capacity drilled shafts without enlarging drilledshaft diameters has motivated the development and increasing use of a base grouting (BG) techniq

    Jan 1, 2016

  • DFI
    Design and Construction Benefits of Performing a Bi-Directional Test on a Drilled Shaft in Sand, Gravel, and Cobble Deposits

    By Marco Fellin, Van E. Komurka

    Significant cost and construction benefits were obtained from performing a bi-directional static load test prior to construction on the Russell Street Bridge Replacement project in Missoula, Montana.

    Jan 1, 2019

  • DFI
    Anchored Double-Tier Retaining Walls on Sloping Embankment

    By Chu E. Ho, Paul Napoli

    A new waterfront park was developed on Long Island in close proximity to the East River and Newtown Creek. The existing ground consisted of fill over soft organic clay, medium dense silty sand, glacia

    Jan 1, 2019

  • DFI
    Three Mass Stabilization Phases in the West Harbor of Helsinki, Finland – Geotechnical and Environmental Properties of Mass Stabilized Dredged Sediments as Construction Material

    By Leena Korkiala-Tanttu, Noora Lindroos, Juha Forsman

    "Construction works at the Helsinki city sea shoreline requires dredging and handling of contaminated sediments. Most of these soft dredged sediments are regarded as too poor quality material for eart

    Jan 1, 2015

  • DFI
    Consideration on Liquefaction Resistance of Ground Improved by the Sand Compaction Pile Method

    By Kazunori Matsushita, Masaru Sakakibara, Kenji Harada, Naotoshi Shinkawa, Mitsuo Nozu

    The Sand Compaction Pile (SCP) method has been widely used as a typical countermeasure against liquefaction in Japan, and its effectiveness has been confirmed in many case histories of damages caused

    Jan 1, 2017

  • DFI
    Kosciuszko Bridge Main Pylon Deep Foundation Solution

    By A. Daugiala, D. Coleman

    In 2014 the New York State Department of Transportation (NYSDOT) awarded a Design-Build contract to the joint venture team consisting of Skanska which is the managing partner; Kiewit Corporation and E

    Jan 1, 2016

  • DFI
    Deep Mixing Core Data from LPV 111

    By Donald Bruce, Alex Reeb, George Filz, Wesley Schmutzler, Mitsuo Nozu

    "One million seven-hundred thousand cubic yards of deep mixing were installed to support an elevation raise of an earthen levee known as LPV 111, which is located in east New Orleans. The deep mixing

    Jan 1, 2015

  • DFI
    New CIGMAT Downhole Penetrometer (DHP-CIGMAT) for Use During Drilled Shaft Construction (7493fc91-7396-4eac-bed2-0406570252cc)

    By Omer F. Usluogullari, C. Vipulanandan

    "It is critical to monitor the ground conditions during excavation and drilling of boreholes during construction to identify possible changes in the soil and rock formations. Drilled shafts are increa

    Jan 1, 2017

  • DFI
    120 Years of Caisson Foundations in Chicago

    By Robert E. Schock, Eric J. Risberg

    "Less than 20,000 years ago, the last of the glaciers retreated from the Chicago region. They left behind sheets of glacial clay till underlain by dense, over-consolidated till (“hardpan”) below which

    Jan 1, 2016

  • 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
    A Digital Twin For Deep Vibro Ground Improvement

    By Negin Khalili-Motlagh-Kasmaei, Paul O'Leary, Christopher J. Rothsiedl, Dimitar Ninesvski, Alexander Zöhrer, Vincent Winter

    This paper presents the implementation of a digital twin for the vibro-replacement ground improvement process, as part of a digital construction site. The goal is to implement an evidence-based qualit

    May 1, 2022

  • DFI
  • DFI
    Behaviour Of Piled Raft- Importance Of Observational Study

    By Abhirami B., V. Balakumar

    Piled raft foundation system is an intelligent geotechnical concept, developed towards reducing the settlement of the raft and the footings by providing pile elements below the raft or footings, as th

    Nov 1, 2022

  • DFI
    Accuracy of Low-Strain Pile Integrity Test Results

    By Mahesh Hingorani

    Integrity issues for bored cast-in-situ piles have raised the need for the use of non-destructive tests to verify pile integrity and detect possible anomalies in installed pile sections that could adv

    Jan 1, 2019

  • DFI
    Load And Resistance Factor Design Of Pullout Of A Single Driven Pile In Sands And Clays

    By Dongwook Kim

    Recently, load and resistance factor design (LRFD) is gradually being adopted internationally in geotechnical design due to the advantages of LRFD over the existing allowable stress design (ASD). LRFD

    Jan 1, 2010

  • DFI
    Pile Driving Between the Amazonas and Xingu Rivers in the Tucuruí-Manaus Transmission Line – Lessons Learned and Solutions Found for a Challenging Project

    By José Carlos do Amaral, Marcelo Groszownik, Jorge Beim

    "Initiated in 2008, the project of this 1800 km long Electrical Transmission Line is a job of extreme technical complexity, crossing regions of major forests and rivers. When ready, it will allow the

    Jan 1, 2015

  • DFI
    Excessive Pile Breakage, Gaylord National Resort And Conference Center, A Look Back 15 Years Later

    By Karl A. Higgins

    In August 2004, the long-awaited National Harbor project in the DC metro area sprang to life with the design of Gaylord National Resort and Convention Center. When the project was in its final stages

  • DFI
    The Innovative CSM - Cutter Soil Mixing System for Constructing Retaining Walls and Cut-off Walls

    By Erwin Stötzer, Renato Fiorotto, Wolfgang G. Brunner, Manfred Schöpf

    "Deep mixing methods can be used economically for the construction of cut-off or excavation support walls where other systems such as traditional soldier beams and lagging walls would yie ld unsatisfa

    Jan 1, 2005

  • DFI
    Baum Station – A New Pile Driving and Drilling Navigation System

    By Dzianis Proshchanka, Yoshi Izumi, Koji Mitani, Ayuna Kitaura

    "A new pile driving and drilling navigation system has been developed. It utilizes the commonly used surveying total station, combined with an innovative reticle. Conventional crosshairs have been rep

    Jan 1, 2017

  • DFI
    Finned Piles Response Subjected To Lateral Loading In Clayey Soils

    By Viswanadham B. V. S., Babu K. V

    Wind energy is one of the most economical renewable energy sources. In order to support wind turbines onshore or offshore open-ended monopile foundations are widely used. Unlike conventional structure

    Sep 1, 2022