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  • DFI
    Vertical Load Sharing of Piled Raft with Grid-Form Deep Mixing Walls

    By J. Hamada, K. Yamashita, Y. Shigeno, T. Tanikawa

    "This paper offers a case history of piled raft foundation in soft ground supporting a twelve-story building in Tokyo. To increase bearing capacity of the soft soil as well as a countermeasure of liqu

    Jan 1, 2015

  • DFI
    Comparison of 2D and 3D Anchor Analysis Methodologies

    By Ruth McKeown, Gilson de F. N. Gitirana, Murray Fredlund, HaiHua Lu

    The current design standards for the use of anchors in slopes is based on two-dimensional (2D) limit equilibrium analyses. Anchors are considered as discrete loads and the 2D anchor, factored based on

    Jan 1, 2019

  • DFI
    Deep Foundation Element Supported Mat Design And Construction In An Urban Setting

    By Satyajit A. Vaidya

    This paper presents a case-study in the design and construction of deep foundation element supported mats for two residential towers on an18,000-square-foot site in Brooklyn, New York. Based on site

    Jan 1, 2010

  • DFI
    Modelling The Behaviour Of Pile Groups With Favourable Group Efficiencies

    By A. V. Rose

    A redevelopment in the City of London has been constructed with a piled foundation system that is believed to be the first of its kind. The purpose of the research is to explore this novel foundation

    Jan 1, 2011

  • DFI
    A Case Study Of Deep Shaft Excavation In River Channel Soil Deposit In Kolkata

    By Kaustuv Bhattacharya, Manish Kumar, Nirbhay Singh, Prodyot Kr. Ray, Praveen Soin

    This paper highlights salient features of an excavation 38 m (Length) by 10 m (Width) by 24 m (Depth) carried out in Central Kolkata. Secant pile wall (SPW) formed using a combination of alternating 1

    Sep 1, 2022

  • DFI
    Comparing The Bench Test and Field Test Results for the Deep Mixing at the Rio Puerto Nuevo Project in San Juan, PR

    By Filippo Maria Leoni, Wesley Schmutzler

    "Deep Mixing Method (DMM) for the Rio Puerto Nuevo Project in San Juan was chosen by the Corps of Engineers to improve the soils adjacent to a 90 inch forced sewer main relocation and to improve the s

    Jan 1, 2015

  • DFI
    Slope Repairs in a Tight Footprint: Slope Stabilization Using Multiple Technologies

    By Dan Mahrt

    "In June of 2009, a slope failure occurred along River Road in Bismarck, North Dakota. The slope failure affected approximately 300 feet of River Road with vertical displacements up to 3 feet, resulti

    Jan 1, 2016

  • DFI
    Applications of Known Concepts for Management of Construction Vibrations

    By Mark R. Svinkin

    "Construction equipment and operations usually produce soil and structural vibrations which may harmfully affect various structures and also the content of buildings and houses. The level of structura

    Jan 1, 2016

  • DFI
    Seismic Behavior Of Full-Scale Piles In Improved Soft Clay

    By Bradley J. Fleming

    Although soil improvement and its application to deep foundations is gaining popularity in the engineering community, this technique is not widely used in high seismic regions due to lack of fundament

  • DFI
    Seismic Behavior of Full-Scale Piles in Improved Soft Clay (8135d170-323f-4789-8067-7d5f00fd5bb8)

    By Jin-Wei Huang, Bradley J. Fleming, Sri Sritharan

    "Although soil improvement and its application to deep foundations is gaining popularity in the engineering community, this technique is not widely used in high seismic regions due to lack of fundamen

    Jan 1, 2017

  • DFI
    Parametric Study for Narrow Mechanically Stabilized Earth Walls

    By Gihan E. Abdelraham, Youssef G. Youssef, Mohamed M. Kamel

    "Previous studies defined Narrow Mechanically Stabilized Earth, NMSE, walls as a retaining wall with aspect ratio (wall width to its height, L/H) less than 0.70 as in traditional walls. Some studies i

    Jan 1, 2017

  • DFI
    Atlantic Wharf: Redevelopment Of A Historic Site On Boston's Waterfront

    By Lee S. Vanzler

    Atlantic Wharf involved the construction of a six-level underground parking garage and a 32-story high rise tower along the historic Boston Harbor waterfront. The site, historically known as ?Russia W

    Jan 1, 2011

  • DFI
    Cumulative Settlement Of Pile Group Under Cyclic High-Speed Train Loading

    By Pratik Goel, Sumanta Haldar

    High-speed rail is an emerging area of interest in India. The Government of India is implementing prestigious bullet train projects in various parts of the country. High-speed rail (HSR) will be opera

    Sep 1, 2022

  • DFI
    Understanding The Vibratory Pile Driver/Extractor: A Field Man's Perspective - 1. What Is A Vibro Driver/Extractor And How Does It Work?

    By John L. White

    The vibro driver/extractor is a machine that grips to a pile and vibrates it up and down. When the vibrating pile is lowered into the ground, all soil around the pile begins to vibrate. A vibrating pi

    Jan 1, 1990

  • DFI
    Alternative Deep Foundation Solutions – DMM at LPV-111 in New Orleans

    By Peter Cali, Wesley Schmutzler

    "The Deep Mixing Method (DMM) was employed to raise and support the LPV (Lake Pontchartrain and Vicinity) -111 Levee in New Orleans. Even using innovative technologies, the tight schedule to achieve t

    Jan 1, 2017

  • DFI
    Investigating Reinforcing Effects of Soil-Cement Columns in Liquefiable Sand Using Dynamic Centrifuge Tests

    By C. Guney Olgun, Mohammad Khosravi, Daniel W. Wilson, Deepak Rayamajhi, Scott A. Ashford, Shuji Tamura, Ross W. Boulanger

    "Dynamic centrifuge tests were performed on unimproved and improved soil with soil-cement column models. The reinforcing effect of isolated soil-cement columns for reducing liquefaction potential and

    Jan 1, 2015

  • DFI
    Deep Excavation Support – Shangri-La – Toronto

    By Brian Isherwood, Tara Brown, Paul Kreycir, Jenny Earle

    "The Shangri-La hotel and luxury condominium tower, recently opened on University Avenue in downtown Toronto, required eight levels of underground structure, four extending into the shale bedrock.Ishe

    Jan 1, 2015

  • DFI
    As-Built Analysis - An Integral Part Of Pile Foundation Design

    By Dan Yang

    Pile foundation designs are performed routinely based on geotechnical information available at the time of design, often with due consideration of large uncertainties inherent to soils and site condit

    Jan 1, 2010

  • DFI
    Foundation Design And Construction Challenges For The Phoenix Sky Train Project

    By John C. Niedzielski

    The PHX Sky Train is a five mile long automated people mover system located at Phoenix Sky Harbor International Airport. Phase I of the PHX Sky Train includes the design and construction of 227 drill

    Jan 1, 2010

  • DFI
    Geophysical Applications For Highway Infrastructure, A Retrospective

    By William M. Dalrymple, William P. Owen, Benjamin S. Rivers

    For the California Department of Transportation (Caltrans), geophysical applications have played an important role as part of a successful multidisciplinary approach to subsurface characterization for