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  • DFI
    Lateral Load Testing Micropiles To Evaluate The Impact Of Threaded Joints And Casing Embedment On Short Micropiles In Shallow Rock

    By J. Brian Anderson

    Jointed micropiles were investigated to support bridge foundations where shallow rock was present. In this application, micropiles would have some amount of unsupported length, and would be subject t

    Jan 1, 2011

  • DFI
    Ground Freezing: The Use of Liquid Nitrogen Systems Converted To Brine

    By Joseph A. Sopko

    There has been a trend in recent years in performing the initial formation freezing using liquid nitrogen (LIN) and then converting the system to circulating refrigerated brine. While proponents of th

    Jan 1, 2019

  • DFI
    When Real Estate Values Beckon - The Means And Methods Employed In The Underpinning Of 1501 Broadway

    By Edward J. McNamara

    People in the real estate industry are fond of saying that the three most important features of a piece of property are, in order, location, location, and location. This is perhaps the reason that the

    Jan 1, 2000

  • DFI
    Deep Foundation Solutions And Implementation For Pittsburgh International Airport Midfield Terminal ? 1.0 Introduction

    By Peter Florian

    At 5:50 am on October 1, 1992, the new $800 million Pittsburgh International Airport Midfield Terminal opened its gates to the world after five years of construction and more than 24 years of planning

    Jan 1, 1993

  • DFI
    Rapid Lateral Load Testing Of Deep Foundations

    By Dan A. Brown

    This paper describes a method of conducting rapid lateral loading tests of deep foundations in which the load is applied to the foundation with a time duration of less than one second. For purposes of

    Jan 1, 2007

  • DFI
    Micropile-Supported Wall To Resist Lateral Deflection Of Existing Railroad Bridge Abutment

    By Samer R. Rabab?ah

    As part of the PHX Sky TrainTM project at Phoenix Sky Harbor International Airport in Phoenix, Arizona, the existing traffic lanes at the 44th Street underpass below the Union Pacific Railroad (UPRR)

    Jan 1, 2011

  • DFI
    Reducing Construction Interference when Implementing Geotechnical Instrumentation and Monitoring in Urban Excavation Projects

    By Martin B. Hudson, Daniel Brescia, Zhangwei Ning

    Due to the complexity and sensitivity of surrounding environments, instrumentation and monitoring (I&M) is critical for many urban deep excavations. The objects to be monitored include shoring bulkhea

    Jan 1, 2018

  • DFI
    Jet Grouting Underpinning Of A Building In The US

    By Gustavo E. Armijo

    This job was done in Morristown, NJ, with mono fluid system jet grouting for the construction of a new bank building. After the demolition of the existing two story structures, an excavation in loose

    Jan 1, 2002

  • DFI
    Current Pile Foundation Practice In Taiwan ? Synopsis

    By Za-Chieh Moh

    This paper presents a summary of the current pile foundation practice in Taiwan. Constructions of driven piles, drilled shafts, and barrette foundations are reviewed. This paper also briefly summarize

    Jan 1, 1996

  • DFI
    Site Management Towards Pile Execution At Qurashiya Bridge

    By Emad W. Shublaq

    Contractual site plans are implemented for executing pile foundations (5 x 5) at segmental concrete bridge. Project schedule demands have forced the contractor to find out the most economical procedur

    Jan 1, 1992

  • DFI
    Marine Foundation Retrofit For The Richmond - San Rafael Bridge

    By Patrick E. Durnal

    A joint venture of Ben C. Gerwick Inc., Sverdrup (now Jacobs) and DMJM (now DMJM Harris) designed the $779 mill seismic upgrade of the Richmond - San Rafael Bridge over the San Pablo Bay in the San Fr

    Jan 1, 2013

  • DFI
    Design And Installation Of Pretensioned Spun Concrete Piles To Support A Large Diameter Sewer

    By Naresh Koirala

    The Greater Vancouver Regional District completed installation of a 2.5 Km long, 2400 mm diameter concrete sewer in Delta, British Columbia in 2000. The sewer traverses through area of peat and soft

    Jan 1, 2004

  • DFI
    Insight to Foundation Construction of Extradosed - 3rd Narmada Bridge over River Narmada, Bharuch, Gujarat

    By Ekhlaq A. Khan

    "The new third Bridge over Narmada River at Bharuch which was recently completed is characterized by some aesthetically appealing elevations of the pylon and large size of the deck. This paper gives a

    Jan 1, 2017

  • DFI
    Ground Support for Shafts and Underground Construction Using Artificial Ground Freezing – Sophia Spoortunnel Rotterdam (Nl) – Cern Geneva (CH) – Leipzig (DE) – Berlin (DE)

    By Helmut Hass, Marco Ziller

    "Abstract: 1 Sophia Spoortunnel Marco Ziller, Trevi S.p.A.:For the construction of 14 cross passages connecting the twin tunnels of the Sophiaspoortunnel the Artificial Ground Freezing technique was a

    Jan 1, 2014

  • DFI
    Challenge From Foundation Engineering To China ? Synopsis

    By R. L. Xu

    In this paper, the author would like to point out with figures that the building industry is one of the key industrial sectors of the national economy in China. And in the coming 15 years, the output

    Jan 1, 2010

  • DFI
    Deep, Large Diameter Bored Piles In Hong Kong, Two Selected Cases - Synopsis

    By Yvone Franco Crosato

    The dense population of Hong Kong requires the construction of tall buildings in reclaimed areas or perched on the slopes of the many hills. The large loads to be supported are carried by deep foundat

    Jan 1, 2000

  • DFI
    American Developments In The Use Of Small Diameter Inserts As Piles And Insitu Reinforcement

    By D. A. Bruce

    The use of small diameter cast-in-place bored piles is becoming increasingly popular in the United States. Such inserts are used as conventional load bearing piles, and are generally referred to as pi

    Jan 1, 1989

  • DFI
    Axial Cyclic Degradation of Marine Piles: A Strain-Based Fatigue Limit

    By Aaron S. Bradshaw, Ryan M. Coulson

    The offshore wind industry in the United States is slowly emerging with the recent construction of the first offshore wind farm located off the coast of Rhode Island. The turbines at the Block Island

    Jan 1, 2018

  • DFI
  • DFI
    An Explosive Waterproofing Of A Riverbank - A Difficult Waterproofing Problem Solved By The Unique And Controversial Combination Of A Mining Technique (Blasting) And A Soil Improvement Technique (Jet-Grouting) - The Problem

    By M. Zanotto

    [ ] A period of heavy rains caused the river Adda to flood parts of the Valtellina, one of the Alpine valleys of Northern Italy. The exceptionally high waters put under considerable strain the whole

    Jan 1, 1992