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  • DFI
    Caisson Design And Construction, Upstream Guide Wall, Locks And Dam No. 26

    By E. C. Demsky

    This paper describes the large diameter caisson foundation for the upstream guidewall at the Lock and Dam No. 26 (Replacement) Project. The guidewall is supported on two rows of 1.8-m diameter concret

    Jan 1, 1989

  • DFI
    Contractual Pitfalls To Avoid With ACIP Piles

    By William Babcock

    Augered, Cast-In-Place (ACIP) piles can be an economical, reliable, versatile foundation system. They have also been a part of projects that were behind schedule and the subject of lawsuits. The ACIP

    Jan 1, 1997

  • DFI
    Static Load Transfer Computation Of Piles

    By Pan Shisheng

    Amodified load transfer method computing the displacement, axial compression, skin resistance, toe resistance, and other static bearing behaviours of piles, is propoesd in this paper. Through deriving

    Jan 1, 1991

  • 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
    Design Of The Drilled Shaft Foundations For The Cooper River Bridge

    By Liang Shen

    The Cooper River Bridge, the longest cable-stayed bridge in North America, replaces two existing bridges along U.S. Highway 17 and connects the City of Charleston and the town of Mount Pleasant, South

    Jan 1, 2013

  • DFI
    Statnamic Loading Tests On Different Pile Types - 1.0 Introduction

    By Patrick Bermingham

    This report presents the results of six STATNAMIC loading tests that were carried out on four different pile types at the CALTRANS 280 Test Site (Bridge No. 34-46) in conjunction with the Tension Pile

    Jan 1, 1993

  • 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
    Site Solutions For The Pisa Tower Remediation - 1 - Introduction

    By Paolo Heiniger

    The aim of this paper is to present the operative solutions devised and then adopted to implement the underexcavation (soil extraction) of the Tower of Pisa, by means of soil extraction. The inter

    Jan 1, 2000

  • DFI
    Reduction Of Local Scour Around Cylindrical Bridge Piers Using Upstream Protective Piles

    By A. K. Bhattacharya

    Cylindrical bridge piers are widely used and equations exist that can predict the maximum depth of local scour around such piers. Scour around piers is an undesirable phenomenon, as it requires the fo

    Jan 1, 2009

  • DFI
    Case History - Augered Cast-In-Place Piling Installed Into Weathered Sandstone

    By Edwin W. Meyer

    The augered cast-in-place piling technique was used to install deep foundations 20 feet into weathered sandstone. The project involved the upgrading of the Air Quality Control System (AQCS) for a 560

    Jan 1, 2006

  • DFI
    New Piling System With Multi-Head Hammer Drill Capable Of Drilling Including 35,000 Psi Rock "Mach Drilling System" And Some Construction Examples - 1. Incentive Of Development

    By J. Nakayama

    For drilling large diameter holes for deep foundations, the common and distressing difficulty of long standing has been in coping with ground containing rocky formations and boulders. Where geological

    Jan 1, 1988

  • DFI
    Design And Construction Aspects Of A Deep Basement In Dublin - Synopsis

    By Philip J. Daynes

    As part of the regeneration of the centre of Dublin, a multi-functional development is being constructed on the site of the historic Smithfield Fruit Market. The site is being developed in three phase

    Jan 1, 2003

  • DFI
    Careful And Controlled Underpinning Methods In Restoration Of Damaged Houses In The Old Town Of Stockholm

    By T. Iwanowski

    Stress wave measurements and calculations are often used to make a safe determination of the bearing capacity and the integrity of driven piles. Some applications to the restoration of old buildings i

    Jan 1, 1991

  • DFI
    A Cut And Cover In Stiff Clay In Eurre-France - Synopsis

    By R. Stenne

    This paper deals with a complementary soil investigation which being part of the contract helped understand the behavior of a softened clay and adjusted the design of a retaining structure accordingly

    Jan 1, 2000

  • DFI
    Geotechnical Investigation For Deep Foundation Projects In Shanghai Area ? Synopsis

    By E. R. Wang

    This paper outlines the engineering properties of shallow soil in Shanghai area. The main points that should be paid attention to during deep foundation investigation, and general conditions of experi

    Jan 1, 2010

  • DFI
    Unusual Solutions To Difficult Earth Retention And Underpinning Projects ? Summary

    By Larry Rayburn

    Design of cost effective engineered solutions to complex problems requires the team efforts of the owner, the designer and the specialty construction contractor. The basic ingredients of success requi

    Jan 1, 1991

  • DFI
    Installation Of Augered Cast-In-Place Piles (3e8ab035-87ca-4b14-9759-c57d4f787aa0)

    By Tracy Brettmann

    Equipment ? Hollow Stem Auger ? Drill Bits ? Leads/Torque Arm ? Hydraulic Gearbox ? Hydraulic Power Unit ? Grout Pump ? Crawler Crane

    Jan 1, 2004

  • DFI
    Effect Of Surcharge Pressures On Excavation Support - Inconsistencies Between Design Calculations And Practice

    By Darrell Wilder

    When designing excavation support systems in urban environments, it is often necessary to consider the effect of vertical surcharge loads from adjacent structures. Several methods are used in practice

    Jan 1, 2006

  • DFI
    Environmental Considerations For Foundation Construction In The Boston Area - The New MCP

    By James V. Errico

    On October 1, 1993 the regulations for assessing and cleaning up contaminated soil and groundwater in the Commonwealth of Massachusetts were revised. These new regulations, known as the Massachusetts

    Jan 1, 1994

  • DFI
    Diaphragm Walls Seismic Design According to the Eurocodes

    By J. Matos e Silva

    "Abstract Although one can think that it is very low the probability of a seism occurrence during the execution of an excavation in an urban lot protected by a diaphragm wall curtain, reality shows th

    Jan 1, 2014