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  • DFI
    Ground Support And Its Toolbox

    By G. Sauer

    "More Skill is needed to avoid rather than to handle heavy ground loads." This finding, from a tunneling engineer of the nineteenth century, is still relevant today with all advanced sequential excava

    Jan 1, 2003

  • DFI
    Study Of Hammer Selection For Driven Steel Pipe Pile

    By Jiwei Duan

    The energy transferred from a hammer to the pile top is considered as the effective energy in this paper. The effective energy is related to the pile dimensions, soil and pile-soil interface propertie

    Jan 1, 2006

  • DFI
    Steel H-Section Piles Support 2,120-Foot Long Cable Stayed Bridge Verona Island And Prospect, Maine

    By James W. Weaver

    The 2,120-foot long cable stayed Penobscot Narrows Bridge that carries US Route 1 over the Penobscot River between Verona Island and Prospect, Maine is supported on four foundation units, one below ea

    Jan 1, 2011

  • DFI
    A Case History Studying On Displacement Controlling In Deep Excavation

    By Feng Yongxuan

    Anchored sheep pile is normally used in deep excavations, many of which only require stability in accordance with Terzaghi theory. In this paper, based on the experience, new lateral earth pressure me

    Jan 1, 1991

  • DFI
    A New Method of Quality Control for Construction Joints in Diaphragm Walls

    By Nikolaus Schneider

    "Abstract: The combination of failure in joints of diaphragm walls and their exposure to water pressure may have far reaching effects ranging from water leakage to the risk of catastrophic loss of sta

    Jan 1, 2014

  • DFI
    Historical Evolution Of Deep Foundations

    By Dean E. Matthews

    The concept of a pile for construction is credited to a Neolithic tribe called the "Swiss Lake Dwellers" who lived in what is now Switzerland about 6,000 years ago. They used piling, not for supportin

    Jan 1, 2003

  • DFI
    Field Trials for Deep Mixing in Land Remediation: Execution and Early Age Monitoring, QC and Lessons Learnt

    By Ziyad Abunada, David O’Connor, Abir Al-Tabbaa

    "Abstract Contaminated land remediation using soil mix technology (SMT) is a relatively recent development which has been shown to be a cost effective and versatile system with numerous environmental

    Jan 1, 2014

  • DFI
    Mitigating Settlement with Pile-Supported Approach Slabs

    By Reda M. Bakeer

    "An approach slab is the roadway segment that immediately follows a bridge intended to provide a smooth transition between the two elements. Some approach slabs have developed rough rideability with t

    Jan 1, 2017

  • DFI
    Design, Construction and Design Validation through High Strength Testing (PDA) of CFA and DD Foundations

    By Stefano Pirrello

    "Sydney’s booming real estate market has pushed property developers to invest in historically “no-go” areas, which were previously too expensive to develop. These areas are usually near rivers where t

    Jan 1, 1900

  • DFI
    Axial Pile Displacement Evaluations From Seismic Piezocone Data And Back-Analysis Of Load Tests

    By Fawad S. Niazi

    Ever since the use of the cone penetration test (CPT) in geotechnical practice, attempts have been made to correlate CPT parameters with pile capacity components of unit end bearing (qb) and unit shaf

    Jan 1, 2011

  • DFI
    Applicability of Wet Grab Sampling to Quality Assurance of Deep Mixing Method

    By Masaki Kitazume

    "Abstract The wet type and dry type of deep mixing methods have been developed and widely applied for on-land and marine constructions in Japan. The quality assurance (QA) of the methods has been usua

    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
    Vertical Earth Reinforcement Technique - Test Wall 1998 DFI Annual Conference And Meeting

    By Peter J. Nicholson

    A new method of constructing retaining walls, in-situ, prior to excavation has been developed. This "Vertical Earth Reinforcement Technique" VERT, has been demonstrated at a full scale test wall at th

    Jan 1, 1998

  • DFI
    Use Of Controlled Modulus Columns In Retail & Industrial Development Projects

    By Frederic Masse

    With widespread acceptance in the market place, many engineers are choosing ground improvement techniques to provide suitable foundation subgrade at sites that would have traditionally required deep f

    Jan 1, 2011

  • DFI
    Application Of Bu-Type Steel Sheet Pile On Construction Of Ports ? Preface

    By Zhou Lu-Jian

    The Port of Shekou is situated at Shenzhen Bay on the east bank of Lingding Ocean. Its coastline is about 6 km long and the water depth near the shore is Favourable. Across the bay is the ' New T

    Jan 1, 1991

  • DFI
    Connecting Railway Lines In Vienna With Underground Structures - Synopsis

    By Rüdiger Wunsch

    The new high speed Vienna - St.Pölten line and the Lainzer tunnel are to be connected to the existing Western railway line in Vienna. This involves building an underground cut and cover branching tunn

    Jan 1, 2000

  • DFI
    Geotechnical Exploration Phase Drilled Shaft Load Testing

    By Walter E. Vanderpool

    Full scale load tests are frequently performed immediately prior to deep foundation construction to verify the design assumptions. Occasionally, load tests are performed during design development and

    Jan 1, 2011

  • DFI
    Recent Advances In Large Diameter Diaphragm Wall Shafts

    By Benoit Virollet

    Over the last 10 years the diameter of unbraced, unlined and unanchored circular shafts has grown dramatically in many parts of the world. This progress has taken place through improvements in: constr

    Jan 1, 2006

  • DFI
    Deep Foundation Solutions And Implementation For Pittsburgh International Airport Midfield Terminal ? 1.0 Introduction

    By Peter Florian

    At 5:50 am on October 1, 1992, the new $800 million Pittsburgh International Airport Midfield Terminal opened its gates to the world after five years of construction and more than 24 years of planning

    Jan 1, 1993

  • DFI
    Characteristics And Application Of Soil Reinforcement By Jet Grouting ? Synopsis

    By J. W. Wang

    This article first explains the mechanism of forming strength in the Jet grouting reinforced foundation, and points out the function of cement hydrates and clay minerals in clayey soil, the reinforced

    Jan 1, 2010