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  • DFI
    Session 32 "Grout Mixtures and Materials 3"

    By Lois G. Schwarz

    I did a project (Sungai Piah) as a consultant to your firm in Malaysia, where we were faced with a similar situation as sketched out in your question. The following is what we did for the grouting of

    Feb 10, 2003

  • DFI
    New Orleans Levee Improvement Project: An OPA Contender

    By Filippo Leoni, Wesley Schmutzler

    "The LPV-111 East Back Levee Improvement Project lies along the Gulf Intracoastal Waterway (GIWW) in Orleans Parish of New Orleans, La., and is an essential component of the New Orleans Hurricane Prot

    Jan 1, 2013

  • DFI
    Seepage Barrier at Bolivar Dam

    By Mohamed Elgouhary, Carol L. Tasillo, Daniel Koziol

    "The Bolivar Dam, located near the Village of Bolivar, Ohio is one of a system of dams designed to provide flood control and water conservation in the Muskingum Watershed. The Bolivar Dam is a “dry da

    Jan 1, 2016

  • DFI
    Non-destructive Testing Of Unknown Bridge Foundation Lengths Using Parallel Seismic Testing

    By Chetan D. Savani, Mike K. Muchard

    The necessity to evaluate undocumented foundation lengths is essential in assessing the useable life, need for scour protection, retrofitting, or full reuse of existing bridge foundations. For this pu

  • DFI
    Determination of Coefficient of Modulus of Sub-Grade Reaction for Free Head Short Pile

    By Sumit Kumar Biswas, Moyukh De, Sibapriya Mukherjee

    "The piles often are also subjected to lateral (horizontal) forces and moments. In fact, there are some structures where the primary function of piles is to transfer lateral loads to the ground. Prope

    Jan 1, 2015

  • DFI
    Instrumented Hybrid Shoring System for a Deep Temporary Excavation Incorporating Cutter Soil Mixing in Vancouver, BC, Canada

    By Nadir Ansari, Brian W. Wilson, Marina S. W. Li

    "A hybrid shoring system consisting of cast-in-place soldier piles with Cutter Soil Mixing (CSM) infill panels was constructed for temporary support of a 19.8 m (65 ft) deep excavation in Vancouver, B

    Jan 1, 2017

  • 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
    Deep Mixing Technology in Deep Excavation in Soft Soil Area of Shanghai

    By Jie-qun Zhai, Jian Jia, Ke Yang, Xiao-lin Xie, Yu Zhang

    "With cities’ development, underground space exploitation presents a need for bigger and deeper constructions now. Technical problems founded during the construction of deep foundation pit support bec

    Jan 1, 2015

  • DFI
    Automation Of Pile Foundation Design Post-Processing To Produce Pile Plans

    By Rajasekar Subbian, Jessica Oudhof

    In the Netherlands pile foundation design is done using CPTs in accordance with EC7 national annexure. The capacity per tip level is calculated for every CPT followed by zonation to find the tip level

    May 1, 2022

  • DFI
    120 Years of Caisson Foundations in Chicago

    By Robert E. Schock, Eric J. Risberg

    "Less than 20,000 years ago, the last of the glaciers retreated from the Chicago region. They left behind sheets of glacial clay till underlain by dense, over-consolidated till (“hardpan”) below which

    Jan 1, 2016

  • DFI
    Evaluation of Existing T-Z Models for Caliche Based on Numerical Analysis of Bi-Directional Load Tests Using NVShaft

    By Ramin Motamed, Fahim M. Bhuiyan, Raj V. Siddharthan, Joseph Toth

    The difficulty in material characterization and the erratic response of cemented soil layers, such as caliche in the Las Vegas valley, creates challenges for practicing engineers to reliably predict t

    Sep 8, 2021

  • DFI
    Three Mass Stabilization Phases in the West Harbor of Helsinki, Finland – Geotechnical and Environmental Properties of Mass Stabilized Dredged Sediments as Construction Material

    By Leena Korkiala-Tanttu, Noora Lindroos, Juha Forsman

    "Construction works at the Helsinki city sea shoreline requires dredging and handling of contaminated sediments. Most of these soft dredged sediments are regarded as too poor quality material for eart

    Jan 1, 2015

  • DFI
    Life Extension of 132 kV Lattice Tower Foundations

    By Allan Herse

    "The years following World War II were nation building years in Australia. Soldiers returned from the European and Asian theatres of war sparking a major infrastructure construction boom. Dams and hig

    Jan 1, 2017

  • DFI
    ISM MICROPILE WORLD CUP 2017 WINNER - Life Extension of 132 kV Lattice Tower Foundations

    By Allan Herse

    "The years following World War II were nation building years in Australia. Soldiers returned from the European and Asian theatres of war sparking a major infrastructure construction boom. Dams and hig

    Jan 1, 2017

  • DFI
    Study Of Ground Settlement And Volume Loss Associated With Tbm Tunnelling By Analytical And Numerical Methods

    By Suresh Chikati, Gangadharan Santhanam

    Twin tunnels were constructed to a length of 863m using TBM in one of the underground metro projects. The tunnels pass through complex geological conditions (soil, rock and mixed conditions). This pap

    Sep 1, 2022

  • DFI
    Case Studies Of Driven Tubular Steel Piles In Soils And Basalt On Woolgoolga To Ballina Pacific Highway Upgrade

    By Henry Zhang

    This paper presents two case studies of large diameter driven tubular steel piles for the ongoing Woolgoolga to Ballina Pacific Highway upgrade (W2B). This project forms part of Australia’s largest re

    Nov 1, 2022

  • DFI
    A Discussion Of Inconsistencies Between Lrfd And Asd Methods For Geostructural Design Applications Of The Aashto Bridge Design Specifications

    By Dimitrios Polantzas P. E., Collin E. Sweeney E. I. T., Franklin M. Grynkiewicz P. E., Leili Javidanian P. E.

    In the latest AASHTO design specifications, the Load and Resistance Factor Design (LRFD) method is prescribed for the design of retaining walls. However, inconsistencies arise when LRFD is used for re

    Oct 1, 2022

  • DFI
    Pile Driving Between the Amazonas and Xingu Rivers in the Tucuruí-Manaus Transmission Line – Lessons Learned and Solutions Found for a Challenging Project

    By José Carlos do Amaral, Marcelo Groszownik, Jorge Beim

    "Initiated in 2008, the project of this 1800 km long Electrical Transmission Line is a job of extreme technical complexity, crossing regions of major forests and rivers. When ready, it will allow the

    Jan 1, 2015

  • DFI
    Analytical Expression for Plastic Hinge Length in Extended Pile-shafts

    By M. Hesham El Naggar, Mehdi Heidari

    "Equivalent fixed-base cantilever model is a common approach for performance base seismic design of bridge structures supported by extended pile-shaft. In this method, global displacement ductility fa

    Jan 1, 2017

  • DFI
    Foundation Rehabilitation of the Henry Hudson Bridge

    By Dharmil S. Patel, Zoyav S. Benyaminov, Cassandra A. Wetzel

    Rehabilitation of the Henry Hudson Bridge is nearing completion, connecting Spuyten Duyvil in the Bronx to Inwood Hill in Manhattan, New York. Constructed in 1936, the Henry Hudson Bridge spans 840 fe

    Sep 8, 2021