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  • DFI
    Soil Nailing Guide Specification - Title ? Table Of Contents - Model Specification - 1. General - 1.1 Purpose Of Specification

    This specification, along with the drawings, encompasses all designs, materials, products, accessories, tools, equipment, services, transportation, labor and supervision, installation techniques, and

    Jan 1, 2010

  • DFI
    Non-destructive Testing Of Unknown Bridge Foundation Lengths Using Parallel Seismic Testing

    By Chetan D. Savani, Mike K. Muchard

    The necessity to evaluate undocumented foundation lengths is essential in assessing the useable life, need for scour protection, retrofitting, or full reuse of existing bridge foundations. For this pu

  • DFI
    The World's Longest Directional Impact Driven Pile

    By Robert F. Stevens, Robin Givet, Kenneth Viking

    "Summary This paper describes a case of a directional pile installation conducted from an existing oil platform in the Caspian Sea, offshore Baku. Results are presented for 660 mm outer diameter (660

    Jan 1, 2014

  • DFI
    Prediction of Axial Geotechnical Resistance of Base Grouted Drilled Shafts

    By Emad Farouz, Ehab S. Shatnawi

    "The increasing demand for small deformations and high-capacity drilled shafts without enlarging drilledshaft diameters has motivated the development and increasing use of a base grouting (BG) techniq

    Jan 1, 2016

  • DFI
    Systematic Evaluation of Foundation Reuse for a Metro Station

    By Haoran Zhang, Chu Ho

    A recent design-build project in New York involved various degrees of additions and improvements to four existing transit stations. Reuse of the existing foundations was considered a more sustainable

    Sep 8, 2021

  • DFI
    Determination of Coefficient of Modulus of Sub-Grade Reaction for Free Head Short Pile

    By Sumit Kumar Biswas, Moyukh De, Sibapriya Mukherjee

    "The piles often are also subjected to lateral (horizontal) forces and moments. In fact, there are some structures where the primary function of piles is to transfer lateral loads to the ground. Prope

    Jan 1, 2015

  • DFI
    Pressure-Grouting Improves Performance of Helical Piles: A Production Case History, Static Load Test Results, and Comparisons to Predicted Lateral Deflection and Axial Resistance

    By Karen J. Dawson, Francisco Johnson

    "Pressure-grouted high strength helical displacement piles are a recently developed pile type that can be useful in conditions where noise or vibrations must be low or where access or clearance is lim

    Jan 1, 2016

  • DFI
    Performance Of Stone Columns In Multi-Layered Soils Under The Action Of Seismic Loads

    By P. Kiruthika, A. Murali Krishna

    Soil liquefaction is a dangerous phenomenon that involves huge damages during strong earthquake ground motion event. Stone columns (SCs) are widely used as liquefaction mitigation element which is exp

    Sep 1, 2022

  • DFI
    Deep Mixing Core Data from LPV 111

    By Donald Bruce, Alex Reeb, George Filz, Wesley Schmutzler, Mitsuo Nozu

    "One million seven-hundred thousand cubic yards of deep mixing were installed to support an elevation raise of an earthen levee known as LPV 111, which is located in east New Orleans. The deep mixing

    Jan 1, 2015

  • DFI
    Design Build of the New NY Bridge Foundations

    By Leykam Chris J., Jacobs Scott. A.

    "Construction of the New NY Bridge over the Hudson River 25 miles north of New York City is one of the largest civil infrastructure projects presently underway in the United States (formerly Tappan Ze

    Jan 1, 2016

  • DFI
    Non-Destructive Testing Of Drilled Shafts - Title ? Table Of Contents - Introduction And Overview

    By Edmund J. Cardoza

    WELCOME TO THE DEEP FOUNDATIONS INSTITUTE 26TH ANNUAL CONFERENCE AND WELCOME ESPECIALLY TO THIS SEMINAR ON NON-DESTRUCTIVE TESTING OF DRILLED SHAFTS, PRESENTED BY MEMBERS OF THE DFI DRILLED SHAFT COMM

    Jan 1, 2001

  • DFI
    Sustainable Products For Geotechnical Works

    By Marcus Daubner, Karsten Beckhaus, Florian Bauer

    The construction industry can and needs to contribute to a more sustainable world. Accordingly, geotechnical works potentially have a significant share. In this context, Bauer understands “sustainable

    May 1, 2022

  • DFI
    Ground Improvement for New Jersey Turnpike Interchange 14A: A Case Study

    By Sarah Ramp, Daniel V. Cacciola, Justin Labrozzi, Shafiq I. Siddiqui, Faisal Ahmed

    "Construction of embankments up to 34 ft in height for twelve ramps and roadways needed for the New Jersey Turnpike Interchange 14A project required ground improvement. The subsurface conditions, cons

    Jan 1, 2017

  • DFI
    Pile Lateral Behaviour under Full Scale Lateral Load Tests in Thick Compacted Marine Carbonate Sand Fill of an Artifical Island

    By Challa Venkata Rami Reddy, Anindya Roy, G. R. Konni

    This paper presents the results of pile lateral capacities obtained from both conventional design and fullscale pile lateral load tests. Conventional design using P-Y curve analysis is very commonly b

    Sep 8, 2021

  • DFI
  • DFI
  • DFI
    A DC Electrical Resistivity Method for Jet Grouting Column Diameter Quality Control with Case Studies from Grand Paris Project

    By Sina Z. Yekta, Zhangwei Ning, Pierre Frappin

    This paper describes a DC (direct current) electrical resistivity method, which uses the contrasts in resistivity measurements to estimate the diameter of jet grouted columns as soon as they have been

    Sep 8, 2021

  • DFI
    A Full-Scale Test by Low-Improvement-Rate Soil in Combination with Crushed-Stone Mat on Peaty Ground

    By H. Hayashi, M. Yamaki, H. Hashimoto, T. Yamanashi

    "In an experiment on a trial embankment, the deformation mode of the improved ground at the toe of the embankment was compared with the deformation mode of the unimproved ground. This comparison showe

    Jan 1, 2015

  • DFI
    Dynamic and Static Load Testing: A Cost Savings Approach

    By Thomas Hyatt, Brandon Phetteplace, Camilo Alvarez

    A test pile program was undertaken at a project site in Ain Sukhna, Egypt for an import/export oil jetty. Two 1219 mm diameter open ended steel pipe piles were evaluated at two separate test locations

    Jan 1, 2019

  • DFI
    Guidelines For The Interpretation And Analysis Of The Static Loading Test ? 1. Introduction

    By Bengt H. Fellenius

    The design of pile foundations is much more commonly verified by means of a full-scale test, than is the design of other foundation units. The reason is not that our knowledge of pile behavior is more

    Jan 1, 1990