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  • DFI
    Proof of Bearing Capacity of Anchors on the Example of Innovative Anchor Monitoring System

    By Stephan Großwig, Karolina Nycz, Arne Kindler

    "Commonly used anchor monitoring systems are mainly based on the use of anchor force meters. However, experience shows that the reliability of the display of force meters lowers over time. Other measu

    Jan 1, 2017

  • DFI
    Structural Seismic Design Of Fashion Island Boulevard Bridge Earthquake Repair State Bridge No. 35C-160 San Mateo, California - 1 Assessment Of The Existing Bridge

    By Roy M. Schnabel

    The Fashion Island Boulevard Bridge over the Marina Lagoon in San Mateo, California is an eight span precast, prestressed concrete girder bridge. It is approximately 495 feet in length and 61 feet in

    Jan 1, 1993

  • DFI
    Evaluating Axial Elastic Pile Response From Cone Penetration Tests (The 2009 Michael W. O?Neill Lecture)

    By Paul W. Mayne

    Axial pile performance can be rationally evaluated within an elastic continuum framework using field results from seismic piezocone tests (SCPTu). Adopting a versatile Randolph-type elastic pile model

    Jan 1, 2009

  • DFI
    Case History: Augered Cast-In-Place Piles For The Pittsburgh International Airport Midfield Terminal

    By Randy R. Huberty

    Although originally designed with deep foundations consisting of all driven steel H piles and drilled caissons, a unique application of Augered Cast-in-Place (ACIP) piles as an alternate design result

    Jan 1, 2001

  • 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
  • DFI
    Support Of Excavation System - Columbia Heights Metro Station Project - Washington, D.C. - Summary:

    By Robert W. Bergwall

    The $58,000,000.00 Columbia Heights Metro Station project (Section E3-a) forms a part of the Washington Metropolitan Area Transit Authority's (WMATA) Greenbelt Route - Green Line subway system. T

    Jan 1, 1997

  • DFI
    High-Capacity Rock Anchors Provide Uplift Resistance For Concrete-Filled Steel Pipe Piles - A Case Study

    By James Weaver

    During the past 16 years, the authors have successfully used high-capacity rock anchors installed inside open-ended pipe piles, driven to bedrock, to provide uplift and overturning resistance for vari

    Jan 1, 2011

  • DFI
    Regulations Of Construction Vibrations

    By Mark R. Svinkin

    Regulations are needed to keep construction vibrations in tolerable limits. The existing regulations were developed for low-rise residential structures, but they are incorrectly used for different sup

    Jan 1, 2006

  • DFI
    The Use of Seismic Trace Characterization to Guide the Analysis of DST Results to Obtain More Accurate Soil Parameters

    By Gerald Verbeek, Erick Baziw

    Downhole Seismic Testing (DST) is a very popular applied seismology site characterizing tool within geotechnical engineering. A challenging aspect of DST is to characterize the acquired seismic data s

    Jan 1, 2018

  • DFI
    Press-In Piling: The Influence Of Plugging On Driveability - 1 Introduction - 1.1 Urban Construction Of Deep Foundations

    By David J. White

    The decreasing availability of land in urban areas, and the increasing demand for urban development is leading to the construction of taller and heavier buildings at increasingly marginal sites. Such

    Jan 1, 2000

  • DFI
    Gallery Towers, Melbourne: Successful Approach To Difficult Piling Contract Management

    By Mario Aiezza

    This paper outlines the results of a relationship developed during the design and construction of the foundations for the Gallery Towers project in Melbourne. Both the builder and the piling contracto

    Jan 1, 2002

  • DFI
    Test Pile Program Carrier Pier And South Wharf Naval Station Puget Sound Everett, Washington

    By David G. Winter

    The first test pile for the carrier pier and south wharf at NAVSTA Puget Sound was driven on December 27, 1989, and the final pile was tested on February 26, 1990. Implementation and modification of t

    Jan 1, 1990

  • DFI
    Ground Improvement By Cement Grouting Combines With Pipe Piles In Bridge Construction - Summary

    By Peter White

    A bridge reconstruction project involved driving pipe piles for the new foundations. Disturbances within soil layers at depth caused sinkholes to open up within the construction site. After a near fat

    Jan 1, 1997

  • DFI
    Modulus of Elasticity in Deep Bored Piles

    By Carlos Lam, Joram M. Amir, Erez I. Amir

    "Abstract The modulus of elasticity of pile material (E) is an important parameter for the interpretation of both static and dynamic loading tests on piles. This value is commonly assumed to be consta

    Jan 1, 2014

  • DFI
    Full-Scale Field-Test Studies On Driveability And Induced Ground Vibrations Of Vibratory Driven Sheet Piles

    By K. Viking

    The vibratory characteristics of full-scale sheet piles, vibratory driven into the ground, have so far not been described systematically in detail. This paper concerns the preliminary results of a ser

    Jan 1, 2000

  • DFI
    Winter Marine Construction In Northern Alberta - Construction Of Baffle Walls Sundance Cooling Pond Expansion Sundance Generating Plant Wabamun, Alberta, Canada ? Introduction

    By Robert R. Morrison

    Alberta Piling Contractors very rarely are required to perform major marine construction in the prairies, so it became as a big surprise to AGRA Foundations Limited to be invited by Transalta Utilitie

    Jan 1, 1997

  • DFI
    Interpreted Residual Load In An Augered Cast-In-Place Pile

    By Timothy C. Siegel

    Accurate representation of the geotechnical resistance distribution is critical in evaluating the performance of piles and pile groups for design. A current practice is to infer the geotechnical resi

    Jan 1, 2009

  • DFI
    Evaluation of Crane Pad Performance on Partially Improved Ground Adjacent to a Seawall

    By Paul J. Sabatini, Yazen A. Khasawneh

    "A Demag CC1800 crawler crane was partially erected on crane mats adjacent to a seawall when settlements near a corner of the crane mat area were observed to be slightly larger than previously assesse

    Jan 1, 2017

  • DFI
    The Utilization Of Static-Load Piledriving Near Structures That Are Sensitive To Vibration - Static-Load Piledriving: - Concept;

    By Robert A. Field

    Static-Load Piledriving utilizes a hydraulic push to facilitate the installation of a pile. The pile is not rotated, impacted or vibrated. A smooth pushing force advances the pile incrementally into t

    Jan 1, 1997