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  • DFI
    Observational and Numerical Evaluation of Defects in Deep Mixing Method Columns Used for LNG Process Train Structural Foundation Support (30cbb62b-9335-4a4e-8105-e672f3e82ba5)

    By Paul Summers, Kevin Richardson, Willem (Billy) Villet, Paul J. Sabatini, Edward C. Clukey

    "Between 2008 and 2009, more than 6,000, 23-m long deep mixing method (DMM) elements were constructed to support 124 concrete mats comprising the foundations for the process trains for an LNG facility

    Jan 1, 2017

  • DFI
    Ultimate Lateral Load of a Pile in Cohesive Soil under Static Loading

    By Dileej M. Dewaikar, Poonam A. Patil

    "In this paper, the ultimate lateral resistance of a long, flexible, unrestrained vertical pile in a cohesive soil is computed under static loading condition using py curves. A simple and improved met

    Jan 1, 2005

  • DFI
    Monotonic And Cyclic Lateral Full-Scale Testing Of Reinforced Helical Pulldown Micropiles

    By M. Meckkey El Sharnouby

    In this paper, the results of full-scale field testing of reinforced helical pulldown micropiles (RG-HSP) installed in clayey till soils and resting on sandy soils are presented. Piles were tested und

    Jan 1, 2011

  • DFI
    Stone Columns Through Construction Demolition Debris Fill

    By Lok M. Sharma

    Development of brownfields is of great interest in these days. Such fields are not easily adaptable for foundations of structures. The uncertainties in ground behavior present challenges of unpredic

    Jan 1, 2009

  • DFI
    Design And Load Test Of Micropiles In A Power Plant In Missouri

    By Bidjan Ghahreman

    A total of 120 micropiles were constructed for foundations of a new selective catalytic reduction (SCR) unit in a coal-fired power plant east of Kansas City, Missouri. Construction was performed unde

    Jan 1, 2009

  • DFI
    Augered Cast-In-Place And Continuous Flight Auger Pile Foundation Systems For US Highway Projects - Why ACIPICFA Pile Foundations?

    By Silas C. Nichols

    FHWA Interest is due to: ? An increase in successful projects in the U.S. private sector and in other countries ? Cost effective and more efficient in many circumstances ? Agency Prioritie

    Jan 1, 2005

  • DFI
    Downdrag Effects on the Pile Groups Supporting Bridge Abutments

    By M. Hesham El Naggar, Tony Sangiuliano, Alper Turan

    "Bridge abutments supported on pile foundations are often constructed over weak and compressible soils. The consolidation settlements induced by the embankment loads are known to result in downdrag an

    Jan 1, 2015

  • DFI
    Observational And Numerical Evaluation Of Defects In Deep Mixing Method Columns Used For Lng Process Train Structural Foundation Support

    By Paul J. Sabatini

    Between 2008 and 2009, more than 6,000, 23-m long deep mixing method (DMM) elements were constructed to support 124 concrete mats comprising the foundations for the process trains for an LNG facility.

  • DFI
    Drilled Shaft Foundations For The Float-In Dam On The Monongahela River At Braddock, Pa

    By Robert B. Bittner

    The new gated dam on the Monongahela River at Braddock, Pennsylvania, was built for the US Army Corps of Engineers using an innovative ?In-the-Wet? technology. A key feature of this technology involv

    Jan 1, 2013

  • DFI
    Up-Down Construction Utilizing Steel Sheet Piles And Drilled Shaft Foundations

    By Nathan A. Ingraffea

    The use of steel sheet pile walls and drilled shaft foundation elements to enable up-down construction methods has been used successfully on recent high-rise structures with multi-story below grade pa

    Jan 1, 2008

  • DFI
    Influence of EPS Geofoam on the Soft Foundation Improved By Deep Mixed Columns

    By Walid El Kamash, Sadik Oztoprak

    "Soft soil presents a challenge against multistory buildings in some cities of Egypt such as Port Said due to the consolidation settlement. Deep mixed (DM) columns are used to improve the soft foundat

    Jan 1, 2015

  • DFI
    Theoretical Ultimate Lateral Resistance near the Soil Surface in Unsaturated Cohesionless Soils

    By Oladayo O. Komolafe and Majid Ghayoomi

    p-y curves have been used over the years to determine the lateral resistance of piles. This method is popular among practicing engineers due to its simplicity and its ability to determine the slope,

    Sep 8, 2021

  • DFI
    New Double-Walled Pile Technology for Noise Attenuation

    By Julie Hampden, Tim Dardis, Per Reinhall

    "Noise from impact pile driving can harm fish, marine mammals and other sensitive wildlife over large areas. Marine pile driving is highly regulated, and regulators require sound levels to be below ce

    Jan 1, 2017

  • DFI
    Pile Foundations for the San Francisco 49ers NFL Stadium

    By Scott A. Walker, Gabriel J. Alcantar, Brian Zuckerman, Ramin Golesorkhi

    "The new San Francisco 49ers Levi’s Stadium is part of the next generation of sporting facilities. Constructed in Santa Clara, Calif., the new structure has 68,500 open-air bowl seats and includes a 7

    Jan 1, 2014

  • DFI
    Deep Foundations: Study on Effect of Drilling Fluids on Concrete Integrity

    By Alberto Carmona Rosell, Sri Ram Ramankutty

    "The installation of Bored Piles and Diaphragm Wall under slurry using tremie raises quality concerns on the integrity of concrete. It is vital to understand the effects on concrete integrity during c

    Jan 1, 2015

  • DFI
    Design Of Self-drilling Micropiles For Permanent Applications

    By Racquel Nottingham, Freddy Lopez, Ole Gadermann

    The ongoing urban development is a global phenomenon, placing has high demands on urban infrastructure (housing, public services, transportation, telecommunications, etc.). Micropiling is one of the m

  • DFI
    Design and Quality Control of Soil Mix Walls for Earth and Water Retaining Structures

    By Nicolas Denies, Jeroen de Leeuw, Bart Lameire, Jan Maertens, André Vervoort, Flip Hoefsloot, Noël Huybrechts, Flor De Cock

    "In recent years, the Deep Mixing Method has increasingly been applied for the construction of earth and water retaining structures. From practice, it has been experienced that there is a real need to

    Jan 1, 2015

  • DFI
    High Capacity Grouted Helical Piles

    By Mohamed A. Mansour, Ahmed M. Soliman, M. H. El-Naggar

    "Grouted helical piles allow significant increase in pile capacity with low additional cost over that of conventional helical piles. They can be particularly advantageous in sites where installation d

    Jan 1, 2016

  • DFI
    The Little Lake Harris Bridge Settlement Restoration Project: Lessons Learned

    By Amr Sallam, David Thompson, Moataz Hassan

    "The Little Lake Harris (LLH) Bridge was constructed in 1951 to replace the eastwest County Road 48 Bridge connecting the towns of Howey-in-the-Hills and Astatula in Lake County, Florida, United State

    Jan 1, 2015

  • DFI
    Back-Calculations Of Centrifuge Tests On Pile Groups Subjected To High-Cyclic Loading

    By Torsten Wichtmann, Jan Macheck, Frederik Broz, Patrick Staubach, Hauke Zachert

    The majority of heavy or strongly loaded structures, for instance high-rise buildings, large span bridges or gas storage tanks are founded on pile groups. However, current design codes and guidelines

    May 1, 2022