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  • DFI
    Numerical and Theoretical Analysis of Consolidation of Soft Clay Installed With PVD at Nagapattinam - A Case Study

    By KeerthiRaaj Subrmanian, Muthukkumaran Kasinathan

    "A railway embankment is under construction between Nagapattinam to Thiruthuraipoondi covering 36.5 km. The sub-soil strata comprises of soft clay extending up to 10 m below existing ground level, whi

    Jan 1, 2015

  • DFI
    Underpinning System Based On Preloaded Micropiling For Construction Of Additional Underground Floors

    By Wolfram Groh

    New underground floors comprising the complete footprint area of the building structure, were constructed under an existing building in sand, located in the Verdun district of Beirut / Lebanon. The wo

    Jan 1, 2002

  • DFI
    Time-Dependent Increase In Load Capacity Of Tapered Piles

    By Jeongbok Seo

    This paper describes successful application of driven tapered-steel-pipe piles for two large-scale projects in the New York metropolitan area: Rego Park Mall, Rego Park, N.Y. and 164 Kent Avenue, Broo

    Jan 1, 2008

  • DFI
    Underwater Sound Attenuation In Construction Projects: Applying Science To Pile Driving Permits

    By Alan Christopherson

    Nearshore construction projects often require installation of steel piles and specific methodologies of installing piles may adversely affect nearby species of concern. Water is an uncompressible med

    Jan 1, 2013

  • DFI
    Port Said East Port Project - Deep Diaphragm Walls For The Quay Wall Construction

    By Mamdouh Hamza

    The construction of 1200 m length new quay wall located 1,300 m East of the existing Suez Canal bypass and about 1,000 m south of the Mediterranean shoreline is one of the main projects currently unde

    Jan 1, 2002

  • DFI
    The Test on Effect of Polyanionic Cellulose on Process of Filtrate Loss of Low Solid-Phase Drilling Fluid

    By Ping Yang, Tian-bin Li, Min-hui Wu

    "The process of filtrate loss of low solid-phase drilling fluid at different content of polyanionic cellulose is investigated by the standard filtration test. The test results showed that when time of

    Jan 1, 2017

  • DFI
    Detailing For Cast-In-Place Pile-Column Ductility ? Introduction

    By Andrew Budek

    Reinforced concrete piles are used to carry foundation loads through considerable depths of soil to provide superstructure stability under gravity loads and lateral forces. The creation of cast-in

    Jan 1, 2007

  • DFI
    Design Of Drilled Shaft Supported Mat Moscow Towers

    By Issa S. Oweis

    Two Towers are currently under construction in Central Moscow in the Russian Federation. Building A is a 96 story tower and Building B is a 65 story tower. The columns in both structures bear on a t

    Jan 1, 2007

  • DFI
    Diameter Effects On p-y Curves

    By Ignatius P. O. Lam

    This paper presents information on design analyses of large diameter piles using conventional p-y curves as recommended by the American Petroleum Institute (API RP2A, 1993). API RP2A adopted the soft

    Jan 1, 2013

  • DFI
    Presentation #7 - Bi-Directional Static Load Testing - Load Testing High Capacity Piles What Have We Learned?

    By Jorj Osterberg

    550 load tests of up to 150 MN have been completed on driven and bored piles using the Osterberg Load Cell. Because the test measures side shear and end bearing separately, much can be learned about t

    Jan 1, 2001

  • DFI
    Load Tests Of Bored Piles In Weathered Bedrock

    By James C. Scott

    Compression and tension load testing were performed on bored concrete piles installed to depths of 18 to 34 meters below excavation levels for a large mixed-use development in Kuala Lumpur, Malaysia.

    Jan 1, 2007

  • DFI
    Performance Of Drilled Displacement Piles In The Midwestern United States

    By W. Morgan NeSmith

    Drilled displacement (DD) piles often develop significantly larger unit shaft resistance values than other drilled or augered pile systems in coarse grained materials. Minimal vibration and limited sp

    Jan 1, 2009

  • DFI
    The Resonant Driver: Ultra High Frequency Pile And Casing Installation

    By Matthew Janes

    The installation of piles and casings is becoming increasingly difficult as restrictions on vibration become common in major urban areas. The use of high frequency, resonant excitation of a pile or c

    Jan 1, 2008

  • DFI
    The Construction And Performance Of Post-Grouted Micro-Piles For Vancouver International Airport Domestic Terminal Building - Introduction

    By Ernest Naesgaard

    Post-grouted micro-piles were used for the seismic upgrading of the Vancouver International Airport Domestic Terminal Building (DTB). The micro-piles provided vertical resistance to both uplift and c

    Jan 1, 2004

  • DFI
    Innovations in Mass Stabilization for Ground Improvement and Environmental Remediation

    By Charles M. Wilk

    "Mass stabilization (MS) is a ground improvement technique that can prepare areas of low bearing strength soil for subsequent infrastructure development. The technique involves mixing binding agents s

    Jan 1, 2015

  • DFI
    I-880 Replacement Project (Cypress Freeway) Large Diameter Driven Pipe Pile Foundations Test Program And Construction - Implementation Of Test Results - Implementation

    By Darrell L. Beddard

    The test program information provided for some immediate changes on the upcoming contracts and in contract administration for the I-880 Replacement Project. Plan sheet modifications included changes t

    Jan 1, 1996

  • DFI
    Using Large Pile Driving Hammers For The Foundation Of Bridges And Windparks

    By Bernhard Bruggaier

    Outside the oil and gas industry there is an increasing demand to install big piles for the foundation of ports, bridges, and wind-energy plants. This article introduces the design and techniques in u

    Jan 1, 2002

  • DFI
    Installation Checklist For Driving Mega Piles

    By Douglas L. Scaggs

    Over the past several years, pile foundations have grown to meet the demands of larger and heavier structures. As the foundations have grown, so has the need for larger and more robust piles to carry

    Jan 1, 2013

  • DFI
    Base Grouted Piles In Thanet Sands, London

    By D. E. Sherwood

    Twelve toe grouted, and eleven ungrouted piles, founded in very dense sands have been analysed to establish how toe grouting enhances pile performance. It is shown that pile stiffness is greatly incre

    Jan 1, 1989

  • DFI
    Design, Construction And Applications Of Auger Piling System For Earth Retention And Underpinning Of Structures

    By A. A. Gupte

    Auger piling system which was developed in the United States in the 1940's is gaining acceptance in many parts of the world. Although primarily used to support foundations, the system is very use

    Jan 1, 1989