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  • DFI
    Experiences and New Developments in Offshore Foundation (610f0063-3ba0-451b-bb8c-dc3962343edb)

    By Leonhard Weixler, Jean Wehbe, Gordian Ulrich, Franz-Werner Gerressen

    "As alternative energy industries pick up speed internationally, and as government regulation and restriction limit the use of impact hammers due to environmental limitation from construction induced

    Jan 1, 2017

  • DFI
    Tied-Down Boat Section Construction

    By Romano J. Micciche

    One of the largest scale uses of a multiple, high-strength steel bar tiedown system is described. Tiedowns were installed to resist hydrostatic uplift forces acting on a section of the Interstate High

    Jan 1, 1994

  • DFI
    Geographic Information Systems Technology Use in Tracking Quality Control in In Situ Barrier Wall Construction

    By Robert Bachus, Jamey B. Rosen

    "Abstract Large scale In Situ Barrier Wall Construction projects, specifically those related to earth dams, dikes, and levees, frequently require stringent quality control measures to ensure the succe

    Jan 1, 2014

  • DFI
    Izmit Bay Bridge Crossing: Integrated Multidisciplinary Approach Reduces Risk And Lowers Overall Project Cost For Bot Bridge Consortium

    By Jacob Chacko

    The Izmit Bay bridge, a 3-km-long suspension bridge crossing of Izmit Bay, Turkey is planned to be constructed in one of the most seismically active places in the world. The site, which has the poten

    Jan 1, 2011

  • DFI
    CSM Cutter Soil Mixing - A New Technique For The Construction Of Subterranean Walls Initial Experiences Gained On Completed Projects

    By E. Stoetzer

    In all known deep mixing processes the existing soil is mixed with self hardening slurry by mixing tools that rotate about a vertical axis (augers, mixing paddles). Wall panels are constructed using s

    Jan 1, 2006

  • DFI
    Deep Open Excavation In Chicago Downtown Area For Red Line And Blue Line Subway Connection At Block 37

    By Gordon Chen

    The Block 37 Chicago Transit Authority (CTA) Tunnel Construction Project was originally designed by STV to connect Blue Line subway in North Dearborn Street and Red Line subway in State Street in the

    Jan 1, 2009

  • DFI
    A Case Study Of Passive Piles Failure In Open Excavation

    By S. T. Kok

    This paper presents a case study in West Malaysia for passive piles failure in very soft marine clay in open excavation. In this particular case, the thickness of the very soft marine clay ranges from

    Jan 1, 2009

  • DFI
    Large Diameter Helical Piles for Refinery Expansion

    By Chris Normand, Paul Volpe, Eric Wey, Howard Perko, Burt Ogilvie, Patrick Murray

    "A refinery expansion project for Marathon Petroleum Company in Southern Louisiana required existing medium to large pipe racks to be expanded for additional capacity. Foundation modifications were ne

    Jan 1, 2017

  • DFI
    Modern Procedures For The Design Of Driven Pile Foundations

    By G. G. Goble

    Significant progress has been made in the past decade in determining the load bearing capacity of pile foundations. Developments in the means of prediction of pile capacity as limited by soil strength

    Jan 1, 1988

  • DFI
    Structural And Geotechnical Aspects Of Long Driven Piles For Urmiyeh Lake Causeway Bridge

    By Mohammad Eslami

    The Tabriz-Urmiyeh Highway shortens the distance of north-western cities of Iran by about 130 km, resulting in improved access and efficient transit between Iran and Europe through Turkey. The highway

    Jan 1, 2010

  • DFI
    Mitigating Settlement with Pile-Supported Approach Slabs

    By Reda M. Bakeer

    "An approach slab is the roadway segment that immediately follows a bridge intended to provide a smooth transition between the two elements. Some approach slabs have developed rough rideability with t

    Jan 1, 2017

  • DFI
    Once Again, Engineering And Contractor Tenacity Overcome Tough Geology

    By John E. Lens

    How much trouble can narrow vertical fissures in bedrock cause on a shallow bedrock site? Enough trouble so end-bearing H-piles range between 8 and 100 feet long in a single pile cap and tiebacks ran

    Jan 1, 2006

  • DFI
    Caisson Foundations For Mississippi River Bridges In The New Orleans Area (2e66a216-6dc8-4479-804e-25f5836f407e)

    By William B. Conway

    This paper will describe the large caisson pier foundations for four of the bridges crossing the Mississippi River in the New Orleans area; and will discuss some of the unusual problems encountered du

    May 11, 2007

  • DFI
    United States Capitol Visitor Center - Drilled Shafts, Utility Conflicts, And Communication

    By Giovanni A. Bonita

    The United States Capitol Visitor Center (USCVC) is one of the largest underground structures ever constructed in the Washington, DC, metropolitan area. The 600,000 ft2 (55,750 m2) structure is entir

    Jan 1, 2006

  • DFI
    New Piling System With Multi-Head Hammer Drill Capable Of Drilling Including 35,000 Psi Rock "Mach Drilling System" And Some Construction Examples - 1. Incentive Of Development

    By J. Nakayama

    For drilling large diameter holes for deep foundations, the common and distressing difficulty of long standing has been in coping with ground containing rocky formations and boulders. Where geological

    Jan 1, 1988

  • DFI
    San Diego Courthouse Commons Shaft Shoring And Tunnel Canopy Tubes

    By Ali Nasirian Ph. D., Gabriel Carvajal

    To facilitate the safer and more secure transportation of inmates from San Diego Central Jail to the new San Diego Courthouse, the County of San Diego committed to building a new transfer facility as

    Oct 1, 2022

  • DFI
    Lateral Performance Of Two-Section Helical Piles In Soft Soils

    By Mohammed Sakr

    A Two-Section Helical Pile (TSHP) is a steel pipe with two shaft sections of different diameters and with one or more helix plates near the bottom of each shaft section. TSHPs are used regularly in we

    Jan 1, 2009

  • DFI
    Pin Piles For Seismic Rehabilitation Of Bridges

    Since the 1989 Loma Prieta Earthquake in the San Francisco Bay Area, the California Department of Transportation (CALTRANS) has accelerated seismic upgrading of their bridges. Many structures can be i

    Jan 1, 1993

  • DFI
    Starsol Piles Foundation Of A Steel Structure At The San Martin De La Vega Resort Park (Madrid)

    By Claudio Olalla

    This paper relates to the foundation of a steel structure located at the San Martin de la Vega (Madrid) amusement park. The structure has more than 100 supports with various loading conditions, includ

    Jan 1, 2002

  • DFI
    A Review Of Typical Foundations Used In The City Of Cleveland, OH

    By David V. Lewin

    Heavy structures in central Cleveland, Ohio, are supported on raft foundations, driven piles, or caissons. Settlements can be predicted and structures are designed to accommodate such settlements. On

    Jan 1, 1985