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  • DFI
    Tentative Guidelines For Design Of Stone Columns- G. H. Approach - Synopsis

    By A. R. Katti

    The stone columns are widely used in the improving the bearing capacity of weak soils mostly for supporting flexible foundation systems. The load carrying capacity of a stone column is complex in natu

    Jan 1, 1996

  • DFI
    Statnamic Pile Testing Case Studies

    By Michael J. Brown

    It is often necessary to undertake some form of pile testing to verify design calculations. Historically this has been limited to static and dynamic tests. Newer rapid testing methods such as Statnami

    Jan 1, 2006

  • DFI
    Design Parameter For Jacked Pile

    By Sugie Prawono

    Jacked pile is the only piling system in which the load capacity of the pile, at any penetration depth, could be monitored directly during its installation process. Each installed pile could have a gr

    Jan 1, 1999

  • DFI
    Earth Retention Using Augered Cast-In-Place Piles - A. Introduction - 1. Applications

    By William S. Heckman

    a. When to use: high surcharges, vertical capacity required, limit noise and eliminate vibrations, low headroom, eliminate vibration induced settlements. b. Advantages: eliminates impact noise and

    Jan 1, 1997

  • DFI
    Effective Analysis Of Soil-Pile Interaction Under Dynamic Loads

    By Inn-Joon Park

    Major problems associated predicting soil-structure interaction behavior are based on the fact that soil is neither homogeneous nor elastic and soil properties are spatially variable. There also exist

    Jan 1, 2002

  • DFI
    Getting Paid In Hard Times - I. Formation Of The Contract

    By Dennis J. Riley

    A. This outline addresses what a sub-contractor, or a subsub-contractor should do to get paid in the event the general contractor or building owner files for bankruptcy. B. Negotiating payment ter

    Jan 1, 1991

  • DFI
    Ground Water Control In The Urban Environment - Introduction

    By Robert G. Lenz

    Control of ground water for construction purposes is an everyday occurrence in the U.S. Thousands of pumps are in service at any given time. Most of these applications simply consist of pumping water

    Jan 1, 1988

  • DFI
  • DFI
    Drilled Shaft Difficulties and a Micropile Solution

    By Jeff Jackson, Paul Axtell, David Graham

    The Montana Department of Transportation recently awarded a contract to construct a replacement bridge across the Clark Fork River in Heron, MT. Both abutments and both intermediate bridge bents were

    Jan 1, 2018

  • DFI
    Vertical And Lateral Load Tests On Driven And Cast-In-Place Piles ? Synopsis

    By G. Price

    The Building Research Establishment installed a base load cell in a driven cast-in-place pile prior to it being tested under vertical load. The monitored base loads were found to be significantly less

    Jan 1, 2010

  • 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
    Limitations Of Predicting Deformations During Excavation In Soft Clay ? Summary

    By Richard J. Finno

    Detailed measurements made at a test section adjacent to a deep braced cut and other published data are combined to illustrate the limitations of the common methods of predicting movements associated

    Jan 1, 1991

  • DFI
    Structural Movement And Ground Settlement Control For A Deep Excavation Within An Historic Building ? Synopsis

    By Martin J. Kenwright

    Within the famous Harrods department store, a new lift shaft has been constructed, servicing a depth of 22m below ground level as well as the existing 6 storeys of the store. The shaft will connect wi

    Jan 1, 2000

  • DFI
    SFMOMA Expansion – Multiple Uses of Ground Improvement – A Case Study

    By Scott A. Walker, Frank L. Rollo

    "The San Francisco Museum of Modern Art (SFMOMA) in downtown metropolitan San Francisco, California, is supported on a mat foundation. Although the mat foundation of the original museum was designed t

    Jan 1, 2014

  • DFI
    Biodegradable Hydraulic Fluid in the Deep Foundation Industry - Synopsis

    By S. H. Miller

    Biodegradable hydraulic fluids can save tens or hundreds of thousands of dollars in fines and clean up costs in the event of a hydraulic fluid leak or spill. When properly selected, applied, maintaine

    Jan 1, 2000

  • DFI
    Design And Construction Of A Cut-Off Wall In Warm Permafrost

    By Steven L. Anderson

    A cut-off wall has been designed and is currently under construction along the Back Dam of the existing tailings impoundment at Red Dog Mine, Alaska. The cut-off wall, which will be in the order of 5

    Jan 1, 2010

  • DFI
    Developing Effective Specifications For Tremie-Concrete Placement In Drilled Shafts

    By Giuliana A. Zelada-Tumialan

    Reduced workability and flowability of the concrete through the tremie tubes and drilled shaft reinforcement have been identified as the main causes of tremie-concrete drilled shaft concrete defects.

    Jan 1, 2009

  • DFI
    Plastic Piling

    By Magued G. Iskander

    The deterioration of concrete, steel, and timber is a serious hindrance to construction in marine and corrosive environments. Composite materials such as fiber-reinforced polymers (FRP) can offer perf

    Jan 1, 2002

  • DFI
    Interlocking H-Sections For Cofferdams Resist High Pressure

    By Marc Dondelinger

    Interlocking H sections with deep webs and high section modulus are being used for cofferdams and shore enclosures where pressures are excessive. The H sections can be as much as a meter deep; they ca

    Jan 1, 1985

  • DFI
    I-880 Replacement Project (Cypress Freeway) Large Diameter Driven Pipe Pile Foundations Test Program And Construction - Program Development - Background - Collapse

    By Darrell L. Beddard

    The Loma Prieta earthquake occurred on October 17, 1989 at 5:04 PM, Pacific Daylight Time. It measured 7.1 in magnitude and was felt from Los Angeles north to the Oregon state line and east to western

    Jan 1, 1996