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  • DFI
    Acceptance Of Timber Piles Based On Equivalent Driving Energy

    By Chu E. Ho

    This paper describes a case history involving the use of the Equivalent Driving Energy concept for evaluating timber piles that failed to achieve the termination criterion traditionally based on final

  • DFI
    Overview of Construction and Design of Auger Cast-in-Place and Drilled Displacement Piles

    By Monica Prezzi

    "Auger cast-in-place (ACIP} piles and drilled displacement piles are being increasingly used as foundation elements for structures, particularly in projects requiring accelerated construction or invol

    Jan 1, 2005

  • DFI
    Practical Reuse of Foundations in High Rise Construction

    By William H. Walton, Clyde N. Baker Jr., Darren S. Diehm

    "A 51-story concrete core and steel frame commercial office tower was recently constructed on the site of the former US Gypsum building in downtown Chicago, Illinois, USA The structure foundation reus

    Jan 1, 2005

  • 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
    Optimization Of Drilled Shaft Design For A Highway Bridge In Arizona Using Load Test Results

    By John C. Niedzielski

    The existing US-70 Bridge over the Gila River at Bylas, Arizona is planned to be replaced due to its current poor condition. The replacement bridge is planned to be a 15-span, 1,904-foot (580 meter)

  • DFI
    Geophysical Methods For Site Characterization For Marine Foundations

    By Richard E. Sylwester

    Evaluating surface and subsurface conditions for marine foundations (bridges, causeways, terminals, etc.) is often done with a limited amount of data. Subsurface information for these projects is pri

    Jan 1, 2013

  • DFI
    Using Settlement-Control Piles To Enhance Mat Foundation Of A High-Rise Building In Orlando

    By Amr M. Sallam

    A case history of utilizing a mat foundation enhanced with ?settlement-control? piles to support a high-rise building in Downtown Orlando is presented. Original geotechnical engineering studies, perf

    Jan 1, 2009

  • DFI
    Full-Scale O-Cell Load Test for a Rotator Drilled Rock Socket at the Main Span of the New Benicia-Martinez Bridge

    By Ronnie X. Gu, Xing Zheng, Gem-Yeu Ma

    Due to implementation of the rotator construction method from which a smooth shaft was anticipated, a full-scale pile load test (Osterberg Method) was performed at Pier 14 Pile 9 of the main span of t

    Jan 1, 2005

  • DFI
    Installing Deep Foundations for North America's Largest LNG Projects.

    By Richard Shea

    Morris-Shea, an Alabama-based deep foundation contractor, is installing foundation piles at the sites of North America's two largest liquefied natural gas (LNG) terminals currently under construction.

    Apr 1, 2023

  • 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
    Session I - How Geology Has Driven Foundation Practice Worldwide - Design And Construction Constraints Imposed By Unique Geologic Conditions In New York City ? Synopsis

    By George J. Tamaro

    The design and construction of foundations in the New York City area are usually dictated by the widely varying geologic conditions encountered in the five boroughs, particularly along the spine of Ma

    Jan 1, 2000

  • DFI
    Characteristics And Application Potentials Of Ground Improvement With Semi-Rigid Inclusions Based On An Innovative Composite Of Polymers And Gravel

    By Pratter P., Boley C.

    Polymers are well established in geotechnical applications, for example in ground improvement, where the polymers act as a binder that, when cured, holds the grains together by adhesive and cohesive f

    May 1, 2022

  • DFI
    Predicting Geotechnical Drilled Shaft Capacity: Are We Close?

    By James G. Ulinski, Sebastian Lobo-Guerrero, Vishal B. Patel

    "Recently modified design equations used in the transportation industry to calculate side friction and end bearing capacity for drilled shafts are now providing more realistic estimations of capacitie

    Jan 1, 2017

  • DFI
    The Effects of Cylindrical Pile Insertion on the Vertical Stiffness and Strength of the Surrounding Soil

    By Emre Biringen

    "Results from a small-scale laboratory experimental program show the changes in the vertical stiffness and strength of a soft clayey soil adjacent to the shaft of an inserted pile (i.e. expansion of a

    Jan 1, 2005

  • DFI
    Quality Control of Pile Installation Using Digital Pile Penetration and Rebound Monitoring System

    By Hee-suk Yun, Dae-jin Hwang, Jeong-woo Seok, Myoung-mo Kim

    "In this paper, the accuracy of the data measured by a newly developed displacement measuring system, DPRMs (Digital Pile Penetration and Rebound Monitoring system) and its applicability as a quality

    Jan 1, 2005

  • DFI
    Ultimate Lateral Resistance of Piles in Cohesive Soil

    By Lassaad Hazzar

    The ultimate lateral resistance of piles in cohesive soil is studied using the well-known finite difference code, FLAC2D. The Modified Cam Clay (MCC) constitutive relation is adopted in the analyses t

    Aug 1, 2013

  • DFI
    AUT-CPT & Pile Database for Piling Performance Using CPT and CPTU Records

    By Sara Moshfeghi, Seyyed Majdeddin Mir Mohammad Hosseini, Abolfazl Eslami

    "Due to variety of current pile bearing capacity methods based on the cone penetration test (CPT), for optimum design, it is necessary to evaluate the performance of such methods in different geotechn

    Jan 1, 2017

  • DFI
    Indicator Pile Program at Port of Oakland, California

    By Partha Sircar

    "For Berth 22 modifications at the Port of Oakland, nearly 600 octagonal 24-inch ‘diameter’ precast-prestressed concrete piles were driven, some piles over 160 feet long. Prior to production pile driv

    Jan 1, 2015

  • DFI
    Analysis and Case Study for Minimizing Differential Settlements in Piled Raft Foundations

    By Yu Chuang, Zai Jinmin, Liu Songyu

    "The piled raft foundation is a geotechnical composite construction method, consisting of three elements, piles, raft and soils, which is applied for the foundation in an increasing number. Differenti

    Jan 1, 2005

  • DFI
    The Progress Of Jet Grouting In The Last 10 Years In Japanese Market

    By H. Yoshida

    Jet grouting was first introduced in Japan in the second half of the 1960s, approaching 50 years ago. By the end of the first 40 years, jet grouting from single to triple fluid systems had become a g

    Jan 1, 2010