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  • DFI
    Evolving Micropiles: Optimizing Foundations For Seismic Retrofit

    By Rob Jameson

    Micropiles are ideally suited to seismic retrofit applications. Their high tensile and compressive capacity can sustain the large concentrated loads induced during seismic events. Micropiles can be

    Jan 1, 2008

  • DFI
    New Outfall Bridge Structures At Bonneville Dam - 1. Introduction

    By Lance Helwirg

    New high and low double outfall bridge structures for a juvenile fish bypass system have been constructed on the Washington Shore approximately two miles downstream from the Bonneville Dam on the Colu

    Jan 1, 2001

  • DFI
    Broadway Viaduct Design Phase Load Test Program For Post Grouted Shafts

    By Mike Muchard

    A design phase load test program was performed at the Broadway Viaduct bridge site to evaluate load carrying capacity and constructability of post grouted drilled shafts. The program included construc

    Jan 1, 2009

  • DFI
    Comprehensive QA/QC Integrity Testing Using Thermal Integrity Profiler

    By Brad W. Taylor

    "During the past several months, I have introduced to civil and structural engineers an innovative solution for the integrity testing of concrete using the Thermal Integrity Profiler (TIP) Wire Cable

    Jan 1, 2017

  • DFI
    Performance Of Cast-In-Place Piles Installed With A Fixed Mast Drilling Platform In Claystone ? Glenrock WY

    By Brent Wilkins

    The project team was tasked with the design and installation of a deep foundation system to support an expansion to a power generating station in Glenrock WY. Cast-in-place piles installed by a fixed

    Jan 1, 2009

  • DFI
    Minipiles And Compaction Grouting For Seismic Retrofit Of Transportation Structures In The New Madrid Fault Zone

    By Steven D. Scherer

    The highest earthquake risk in the United States east of the Rockies is along the New Madrid Fault System, which extends for 193 km (120 miles) through the Central Mississippi Valley from northeastern

    Jan 1, 2001

  • DFI
    An Innovative Use Of Bored Tension Piles In Embedded Retaining Wall Design & Construction

    By Abid O. Adekunte

    The design, construction and monitoring of the deep excavation support for the basement of a large-scale commercial development in Cavan, Ireland is presented. Excavation area was adjacent to existing

    Jan 1, 2008

  • DFI
    Jobsite Safety Inspection Checklist

    By Sam Messina

    [Project: Job Number: Date: Superintendent: Person Making Inspection: Note: The following checklist shall be used on a regular basis as an overall assessment of the jobsite. The checklist

    Jan 1, 1998

  • DFI
    Retaining Wall Installation Beneath An Existing Structure

    By Kenton W. Braun

    Concourse B at the Anchorage, Alaska International Airport is currently being renovated while retaining the original building structure and foundations. Part of the renovation includes the installati

    Jan 1, 2008

  • DFI
    Current Practice For Augered Cast-In-Place (ACIP) And Drilled Displacement (DD) Pile Quality Control

    By Rudolph P. Frizzi

    Structures supported on ACIP and DD piles perform successfully when quality control is maintained from the initial site subsurface investigation through pile design, bidding, and construction. The fou

    Jan 1, 2005

  • DFI
    Excavation Construction for the Transbay Transit Center

    By Nick O’Riordan, Kaitlyn L. Fleming, Michael Riemer, Youssef M. A. Hashash, Stephen McLandrich, Mohamad Jammoul, Pierre Gouvin, Andrew Yeskoo

    "To accommodate urbanization, cities are developing more underground space as a means to house public transportation systems and other entities. Underground developments often require construction of

    Jan 1, 2015

  • DFI
    Toward A Unified Design Standard For Steel Sheet Piling

    By Michael J. Garlich

    Steel sheet piling has a long history of use in a variety of permanent and temporary structures. Current engineering practice uses numerous publications and standards for design guidance. U.S. desig

    Jan 1, 2008

  • DFI
    Development of Lattice-Shaped Cement Treatment Method for Liquefaction Countermeasure

    By Seiji Mizutani, Hirofumi Taguchi, Makoto Yoshida, Hidenori Takahashi, Naotoshi Shinkawa, Kazuo Konishi, Yoshiyuki Morikawa, Masaya Kawata

    "The lattice-shaped cement treatment method has been used to improve the seismic performance of liquefied sandy soil in Japan. The efficacy of the method has been confirmed by the huge earthquake in J

    Jan 1, 2015

  • DFI
    On Driven Piles In The Arabian Gulf: Imperfections, Potential Challenges, And Lessons Learned

    By Waddah Akili

    The demand on pile installation in the offshore of the Arabian Gulf has, over the last two decades, experienced unprecedented boom, triggered by the construction of platforms, to help facilitate the p

  • DFI
    Performance of Open-Ended Pipe Piles in Cretaceous Soils of Baltimore

    By Sanjeev Malhotra

    "This paper presents the results of a pile installation monitoring and performance assessment program for pile foundations supporting 14 piers and 2 abutments of the 1700-ft long bridge crossing over

    Jan 1, 2005

  • DFI
    Failure Modes for Embankments over Ground Improved with DCM Column Walls beneath the Slope

    By Manasi Wijerathna, D. S. Liyanapathirana

    "Deep cement mixing is a popular soft ground improving technology that improves the bearing capacity and settlement characteristics of natural soil. When Deep Cement Mixed (DCM) columns are installed

    Jan 1, 1900

  • DFI
    Piled-Raft Foundations in Belarus

    By V. A. Sernov

    "One of the ways to increase the bearing capacity of a piled foundation is to take into account soil resistance in the base of the raft. Piled raft is similar to shallow foundation and can transfer si

    Jan 1, 2016

  • DFI
    Keynotes: Axial Capacity Of Drilled Foundations In Soft Rocks And Intermediate Geomaterials - Presentation Notes

    By Michael W. Neill, O&apos

    This presentation addresses some of the problems encountered in estimating the capacity of drilled shafts and augered, cast-in-place piles in soft rock. Methods to quantify side and base resistance ar

    Jan 1, 2001

  • DFI
    Field Test of Electroosmosis with the Injection of Saline Solution of Taipei Silty Clay

    By Chang-Yu Ou, Shao-Chi Chien, Hsuan-Hsiang Chang

    "A field test was performed to investigate the applicability of electroosmosis with the injection of saline solution of Taipei silty clay. The calcium chloride solution and sodium silicate solution we

    Jan 1, 2005

  • DFI
    Stone Column Treatment and Elaborate Load Tests Verification for Improving Subsoil Conditions on a Large-Scale Residential Development Project

    By Vijaya Bhushan Rao, Jason Redgers

    A substantial lifestyle destination in the United Arab Emirates, in the Emirate of Abu Dhabi comprising of 1315 villas, town houses and non-residential leisure facilities is built over an area of 280

    Sep 8, 2021