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  • DFI
    Doyle Drive – Extreme Pile Installation

    By Peter Faust

    "The south access road to San Francisco’s Golden Gate Bridge, known as Doyle Drive or Presidio Parkway, needs to be replaced. Built in 1936, it is the primary highway and transit linkage through San F

    Jan 1, 2012

  • DFI
    Earth Pressure Acting On Single Driven Piles In Sand

    By Adel Hanna

    Earth pressure acting on piles driven in sand is playing a major role in estimating pile capacity. In literature, researchers entertained simplifying assumptions in estimating the earth pressure actin

    Jan 1, 2003

  • DFI
    San Francisco-Oakland Bay Bridge: OPA Winner

    By Gerry Houlahan

    "The 2015 Outstanding Project Award (OPA), which recognizes the superior work of DFI members, was awarded for the San Francisco- Oakland Bay Bridge New East Span. The award was presented to representa

    Jan 1, 2015

  • DFI
    Novel Methods Of Restraining Embedded Retaining Walls

    By Abid Adekunte

    Traditionally, designers and contractors provide additional external supports to retaining walls through the use of tie-back anchors or braces. Both approaches are known to have their shortcomings; br

    Jan 1, 2010

  • DFI
    Pindersfield Hospital ? An Innovative Piled Scheme

    By James N. Mure

    The paper describes the design development and construction of bored piles at Pindersfield Hospital, Wakefield, U.K. The piles were of monopile type. Monopile is the term used to describe piles which

    Jan 1, 2008

  • DFI
    Dynamic Centrifuge Model Tests on Pile-Type Deep Mixing Method Reducing Lateral Flow of Liquefied Ground

    By Tsuda Wakaki, Naoki Takahashi, Natsuki Okuno, Hidenori Takahashi, Ikuo Towhata, Yoshiyuki Morikawa

    "Deep mixing (DM) method has been increasingly employed as a countermeasure against subsoil liquefaction in recent years. Pile-type DM, however, is considered to have little effect as a liquefaction c

    Jan 1, 2015

  • DFI
    3D Analysis Of The Seismic Behavior Of Inclined Micropiles

    By Seyyed Mehdi Radeghi Mehrjou

    It is important to study structures and their retrofitting techniques in order to avoid earthquake-induced seismic damage within countries that are prone to earthquakes. Todays, micro piles are employ

    Sep 1, 2022

  • DFI
    Practice Of Large Diameter Stepped Section Bored Pile Foundation Of A Deep Water Bridge

    By Cen Guoji

    The foundation of bored pouring concrete pile have been adopted in the bridge engineering of China since early in the sixties. They demonstrated tremendous technical advantage and achieved notable eco

    Jan 1, 1991

  • DFI
    Implant Foundations – Press-in Piling Method for Urban Construction

    By Tsunenobu Nozaki

    "Basically, the “Press-in Piling Method” was invented to eliminate construction nuisances, such as noise and vibration which have been serious unsolved problems for advancing societies over a long tim

    Jan 1, 2015

  • DFI
    Geosetta: Unearthing Geotechnical Data for the Benefit of All

    By Ross Cutts

    As a public servant geotechnical engineer, I observed how costly and valuable geotechnical field explorations are to the success of every project. Often however, the field exploration is a long and co

    Nov 1, 2023

  • DFI
    Recycled Polymer Application During Pile Boring Operations: A Review

    By Hitendrabhai S. Dewangan, Dr. Aashish A. Mehta

    Pile foundation is widely used in construction of marine structures. In offshore & marine piling work, drilling/boring supporting fluid is used to stabilize the borehole (excavation) prior to tremie c

    Sep 1, 2022

  • DFI
    Deep Cfa Piles Application For Foundation In Queensland

    By Sameh M. Khella

    This paper discusses the application of deep CFA piles for the foundation of structures in different ground stratifications with a focus on the application in Queensland region. Design, construction t

    Nov 1, 2022

  • DFI
    Methodology for Drilling Offshore or Onshore in Hard Rock for Deep Foundations with Pile Top Drill Rigs (PBA)

    By Dinesh Hinduja, Pérez: Miguel

    "Large structures are generally exposed to dynamic and structural loading. They require usually either foundation connected to hard rock through sockets or driven foundations, which encounter boulders

    Jan 1, 2015

  • DFI
    Dcp Investigation Of Strength Increases In Polyurethane And Acrylate Treated Soils

    By Andreu J. Ferrero

    Polyurethane and acrylate resins are routinely injected into soils to gain strength and control water flow. However, most published data regarding strength gain is derived from laboratory samples crea

  • DFI
    Micropiled Foundations of Telecommunication Towers

    By Racquel Nottingham, Marc Mastrantuono, Freddy Lopez

    In the digital era that we live in, connectivity and mobility play a decisive role in our daily activities. In this context, insufficient telecommunication infrastructure gives origin to the so called

    Sep 8, 2021

  • DFI
    Dynamic Pile Testing for the Five Mates Bridge

    By Jonathan G. Cannon

    "This paper will describe dynamic pile testing conducted during installation of driven octagonal precast prestressed concrete piles used as the foundation for this bridge. The piles were long and henc

    Jan 1, 1900

  • DFI
    Seismic Stability Analysis of Seepage Control Measures for Levees in Central Valley, California

    By Zia Zafir

    "Levees in the central valley of California are primarily for flood control purposes and thus are subjected to infrequent hydraulic loading. The primary concern for these levees is their instability d

    Jan 1, 2016

  • DFI
    Installation And Testing Of 260 Hollow Core Bar Micropiles

    By Jesús E. Gómez

    A total of 260 micropiles were installed as part of a retrofit effort for two existing bridges. The micropiles consisted of hollow core bars installed under limited headroom conditions. Of the total n

    Jan 1, 2007

  • DFI
    Marine Clay Stabilisation Using An Encased Stone Column With Tyre Chips As Aggregates

    By Rangaswamy. K, Naga Sivaji

    A stone column is one of the most commonly employed methods of ground improvement techniques. This method used to increase the strength, decrease the compressibility of loose granular and finegrained

    Nov 1, 2022

  • DFI
    Real-Time Anchor Testing and Data Management

    By Bora Okumusoglu, Devon K. V. Mothersille

    "AnchorTest is an innovative software package, specifically developed for tablets, that permits ground anchor test data assessment and management in real time. The solution has two components: a front

    Jan 1, 2017