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  • 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
    Commentary on the Selection, Design and Specifcation of Ground Improvement for Mitigation of Earthquake-Induced Liquefaction

    By Ground Improvement Committee

    The evaluation of earthquake-induced liquefaction has become a routine part of geotechnical engineering design. For a given project, if an analysis identifies a potential for liquefaction and the cons

    Aug 1, 2013

  • DFI
    Improvements in Deep Compaction Using Vibratory Pile Hammers (a877ad8a-6d27-4e33-a419-f0edb9bac870)

    By Dennis Nottingham

    "Increased interest in seismic soil liquefaction and preventative soil stabilization sets the stage for improved deep compaction methods using pile driving techniques. In 1971, L.B. Foster Company per

    Jan 1, 2005

  • DFI
    Failure Analysis and Strengthening of Tailing Pond Embankment by Prefabricated Vertical Drains and Geogrid

    By Anup Kumar Mandal, Sanjoy Chowdhury, Biswajit Das

    "Tailing pond of an iron ore mine necessitated raising the height of its embankment to create additional storage capacity. The tailing pond is located in eastern India and raising the height of embank

    Jan 1, 2015

  • DFI
    Design And Field Comparison Of Ground Improvement And Bored Piles For Large Diameter Steel Water Tanks

    By Vijaya Bhushan Rao, Ali Semercioglu, Jason Redgers

    Large diameter steel water tanks with high storage capacities impart heavy loads deep into the ground, generally requiring deep foundations to adequately support them. The use of ground improvement as

    Oct 1, 2022

  • DFI
    Risk Assessment and Quality Control on Grouted Waterretaining Layers by Observational Engineering

    By Bartho J. Admiraal

    "As part of the Schiphol-Amsterdam-Almere project, the largest aqueduct in Europe is being built in order for the A1 motorway to cross the Vecht River. The A1 consists of 12 lanes and the total width

    Jan 1, 2016

  • DFI
    A Case Study Of A Vibratory Pile Installation Monitoring Of A Precast Prestressed Concrete Pile

    By K. Viking

    It's well known that conventional impact hammers, usually are the method to use in order to drive precast prestressed concrete piles. However sometimes the vibratory technique might be considered

    Jan 1, 2004

  • 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
    Use of a Reinforced Jet Grout Excavation Support System for a Major Sewer Line Repair

    By Richard Brink, Eric M. Klein, Kenneth B. Andromalos

    "A portion of the roof for a 129 x 144-inch, nearly 100-year-old sewer outfall in the City of Baltimore had deteriorated to the point that it resulted in the development of a large sinkhole in a resid

    Jan 1, 2005

  • DFI
    Deep Stabilisation in Sulphide Soil for Embankments in Sweden - Laboratory and Field Studies

    By Bo Westerberg, Mattias Andersson, Yvonne Rogbeck

    "Deep stabilisation has been used in Sweden for decades. The method has been improved to allow it to be used in different types of soils and with new binders. One challenging soil type in Sweden is so

    Jan 1, 2015

  • DFI
    Fogg Museum Expansion - Support of Excavation Design and Construction

    By James L. Christensen, Gregory Sanchez, Michael P. Walker

    The Fogg Museum expansion project required excavation and construction in a congested urban area in Cambridge, Massachusetts. A soldier pile tremie concrete (SPTC) wall provided the support of excavat

    Jan 1, 2015

  • DFI
    Impact Of Clay On Early Jet Grouting Strength

    By Debra F. Laefer

    Jet grouting is a ground improvement technique that has become widely adopted over the past three decades, yet relatively little data has been published about performance characteristics of mixes unde

    Jan 1, 2009

  • DFI
    Effects Of Self-Weight On Thermomechanical Response Of Energy Piles

    By Arash Saeidi Rashk Olia, Dunja Perić

    The increasing demand for renewable energy has attracted attention to energy geostructures as means of extracting clean geothermal energy from the ground. To further advance the understanding of soils

    Oct 1, 2022

  • DFI
    Complex Deep Foundation System for Tall Tower in New York City

    By Renzo D. Verastegui, Michael Law, Sitotaw Y. Fantaye, Alfredas Daugiala

    "When completed, 520 Park Avenue will amend the Manhattan skyline and be one of the most prestigious high-rise towers in New York City. The 52-story condominium building is located on a 60 ft by 100 f

    Jan 1, 2017

  • DFI
    Presentation #3 - Cross-Hole Sonic Logging And Single-Hole Sonic Logging - Outline

    By Les R. Chernauskas

    ? What is Integrity Testing? ? Cross-Hole Sonic Logging (CSL) ? Single-Hole Sonic Logging (SSL) ? Typical Specifications ? Case Histories ? Observations and Conclusions WHAT IS INTEGRITY T

    Jan 1, 2001

  • DFI
    The Bow, Encana: Design, Monitoring, And Results Of A Deep Excavation In Downtown Calgary

    By Matthew Janes

    The new Bow office complex will become the new headquarters of EnCana Corporation, a leading Canadian oil and gas company. The shoring system, encompassing nearly two city blocks and excavated to a d

    Jan 1, 2008

  • DFI
    Reliability Assessment of the Capacity of Single Pile Subjected to Vertical Loading

    By Rajarshi Pramanik, Nirjhar Dhang, Dilip K. Baidya

    "This paper performs the reliability evaluation of pile foundation under vertical loading condition using the concept of fuzzy set theory. The uncertain parameters are expressed as fuzzy numbers. Mont

    Jan 1, 2015

  • DFI
    Cut-and-Cover Excavation Challenges

    By Sitotaw Y. Fantaye

    "The first segment of the Second Avenue Subway extension is approaching construction completion. The new extension will operate along Second Avenue from 96th Street to 63rd Street, where it will diver

    Jan 1, 2016

  • DFI
    Friction Loss in Tieback Anchors used for Landslide Stabilization

    By John P. Turner, Benjamin J. Turner

    "Tieback anchors are now used routinely for landslide stabilization in the USA and abroad. It is generally understood by design engineers that friction loss over the unbonded length of a tieback ancho

    Jan 1, 2017

  • DFI
    Analysis Of Pile Behavior In Granular Soils Using DEM

    By Jeremy G. Kress

    We propose the discrete element method (DEM) as a complimentary alternative to analytical solutions and FEM models for the analysis of pile response. DEM is a novel approach to the engineering design

    Jan 1, 2010