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  • DFI
    TECHNICAL NOTE: Direct Solution of the Brinch-Hansen 90% Pile Ultimate Failure Load

    By Don W. Dotson

    In 1962, Kondner prepared several papers dealing with hyperbolic stress-strain response of cohesive soils. The following year, Brinch Hansen proposed 80% and 90% failure criteria for stress-strain be

    Aug 1, 2013

  • DFI
    Producing Sealing Walls And Sealing Slabs By Applying The Soilcrete Process

    By E. W. Raabe

    The paper discusses the increasing role of specialist grouting techniques to form water seals or cut-offs for deep basement construction. Raabe and Toth discuss the various grouting methods available

    Jan 1, 1989

  • DFI
    Use of Isolated Tie-Back Plates to Stabilize a Landslide in Steep Terrain

    By Scott D. Neely, Donald R. Clark

    "An existing landslide located at the southeast corner of the Telluride Regional Airport has been in an active state of failure for several years. The presence of the landslide has represented an on-g

    Jan 1, 2015

  • DFI
    Piles In Expansive Soil For Large Tension Forces ? Synopsis

    By G. W. Plant

    This paper describes the design philosophy and construction details of piles between 25m and 32m deep to support 160m high and 110m base diameter cooling rowers for a major power station. It is sited

    Jan 1, 2010

  • DFI
    Building Risk Assessment For Urban Rail Transit Systems In India - Current Practices And Challenges

    By Manchanda H, Agarwal J.

    The construction industry has one of the largest numbers of injuries compared to other industries. Thus, reducing accidents and determining construction risks are extremely important. One of the essen

    Sep 1, 2022

  • DFI
    Data Collected and Lessons Learned from Load Test Program for ACIP Piles Supporting Highway Bridges

    By Reinaldo J. Villa, Joshua C. Adams

    The I-395/SR-836/I-95 reconstruction project is an $818-million design-build construction effort that includes construction of viaduct, segmental and signature bridges in Miami leading into Miami Beac

    Sep 8, 2021

  • DFI
    Augered Cast-In-Place Pile Load Tests On The Cincinnati, Ohio/Northern Kentucky Riverfront

    By Theodore W. Vogelpohl

    Augered cast-in-place piles have proven to be effective, adaptable and economical for projects throughout the Ohio River Valley. Specifically, they have been used extensively for high-rise structures,

    Jan 1, 2005

  • DFI
    The Use of Thermal Integrity Profiling (TIP) to Verify the Integrity of Deep Foundations

    By Beim Jorge, Piscsalko George

    "Verifying the quality of cast-in-place foundation applications, particularly those cast under slurry, is of course important, due to its great dependency on the methodology employed and on the practi

    Jan 1, 2015

  • DFI
    Mediation Of Construction Disputes - An Advanced Preparation Guide For Mediation Of The Complex Construction Case - Introduction

    By Alan Alhadeff

    Why is mediation being hailed as the wave of the future? The high cost of putting on a trial, over-crowded court calendars and long trial delays have resulted in what prominent attorneys and leadi

    Jan 1, 1990

  • DFI
    Drilled Pier Foundation In Hard Carbonate Rock ? Synopsis

    By K. E. Darnell

    Drilled pier foundations have long been a favored foundation type for heavily loaded structures. Drilled piers derive their load-bearing capacity from end-bearing, and/or sidewall friction. This type

    Jan 1, 2010

  • DFI
    Ralston Dam Spillway Stability Over Pierre Shale

    By Gokhan Inci

    Stability problems with dam spillways on existing landslides and appropriate mitigation measures to remedy them are ongoing concerns for geotechnical engineers. The first successful application of dri

    Jan 1, 2007

  • DFI
    BRING YOUR A-GaME! THE BENEFITS OF ADVOCATING FOR ADVANCED GEOTECHNICAL EXPLORATION METHODS

    By Derrick Dasenbrock, Mary C. Nodine, Benjamin Rivers

    Up to 50 percent of major infrastructure projects suffer impacts to schedule or cost due to geotechnical issues, many of which correspond to risks related directly or indirectly to the scope and quali

  • DFI
    Using Seismic Tomography To Evaluate Foundation Structures

    By Ed Kase

    Cross-hole sonic logging (CSL) has become the universal standard, nondestructive testing (NDT) method used in evaluating the integrity of foundation structures to maintain quality assurance and qualit

    Jan 1, 2003

  • DFI
    Evaluation And Testing Of Distressed Pile Foundations Supporting Oil Storage Tanks

    By Michael W. Oakland

    Weidlinger Associates was retained to evaluate the foundations supporting ten oil storage tanks at a tank farm on the east coast. The tanks were constructed over the site of a landfill which was unde

    Jan 1, 2009

  • DFI
    Underwater Concrete In Drilled Shafts: The Key Issues And Case Histories

    By Sam X. Yao

    In construction of drilled shafts under water, placing concrete in the shafts is technically demanding and involves complex construction logistics. Past construction experience has demonstrated that h

    Jan 1, 2013

  • DFI
    Micropile Performance Variability: A Fundamental Case Study

    By Walter E. Vanderpool

    Type 1B micropiles (Bruce and Juran, 1997) can be installed rapidly and efficiently. During an 85-day period, 536 micropiles were installed to depths of 61 meters within a site 41 meters by 43 meters.

    Jan 1, 2002

  • DFI
    Dynamic Load Testing Of Augered Cast-In-Place Piles

    By Garland Likins

    High strain PDA testing has become common for verification of capacity of both driven and bored piles. It is equally applicable to Augered-Cast-in-Place (ACIP) Piles. It also evaluates other aspects o

    Jan 1, 2000

  • DFI
    Improvement Of Bearing Capacity Of Bored Piles By Grouting Method

    By Andrzej Tejchman

    A method of improvement of a subsoil under bored pile base by injection is presented. The method employs a special chamber attached to the reinforcement at the bottom of the drilled borehole. The cham

    Jan 1, 2002

  • DFI
    Time-Dependent Increase Of The Bearing Capacity Of Displacement Piles

    By Florian König

    It is well known that the bearing capacity and stiffness of displacement piles may increase significantly with time, a phenomenon usually referred to as set-up. In cohesive soils the set-up is commonl

    Jan 1, 2006

  • DFI
    ACIP Pile Performance and Installation in the Northeastern United States

    By Jr NeSmith

    "Augered-cast-in-place (ACIP) pile installation technology has matured extensively since the first auger, pressure grouted pile was patented in 1959. The current technology allows for successful pile

    Jan 1, 2016