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  • DFI
    Plastoelastic Analysis Of Bearing Capacity For Soil Anchor

    By Hui Yongning

    This paper presents a simulating test of constitutive relation of soil anchor in laboratory and puts forward a new plastoelastic mechanical model, on which a new calculating formula of elastic and pla

    Jan 1, 1991

  • DFI
    Seal Slab / Steel Pile Interface Bond From Full-Scale Testing

    By Gray Mullins

    This paper presents results from model and full-scale tests to assess the interface bond between a cast-in-place concrete seal slab and steel H-piles in cofferdams. Three different seal slab placemen

    Jan 1, 2013

  • DFI
    A Tale of Two Dams: Performance of Deep Cutoff Walls

    By Donald Bruce, Mark Harris, Wesley Schmutzler, James Sanders

    "This paper evaluates the history, construction and most importantly the performance of two remedial seepage cutoff walls installed in two major dams in the United States. Beaver Dam, on the White Riv

    Jan 1, 2017

  • DFI
    Spin-Fin Pile Technology

    By Dennis Nottingham

    Spin-fin pipe piles can develop large loads in tension, thus have evolved as a foundation product of great potential. Currently, over 500 spin-fin piles have been used successfully in dolphins, docks,

    Jan 1, 1990

  • DFI
    The Merits Of Polymeric Fluids As Support Slurries

    By J. J. Beresford

    The primary function of a support slurry is to provide stability during excavation. Today foundation structures can be designed around the additional friction afforded by the absence of the filter cak

    Jan 1, 1989

  • DFI
    Sonic Drilling Offers Quality Control And Non-Destructive Advantages To Geotechnical And Construction Drilling On Sensitive Infrastructure Sites

    By John P. Davis

    The use of conventional, circulatory air rotary and fluid rotary, cased and uncased drilling methods in the vicinity of sensitive infrastructure can have deleterious effects on the ground conditions s

    Jan 1, 2006

  • DFI
    Accessing History

    By Richard Pizzi

    Built in 1806, Boston's African Meeting House is the oldest surviving Black church building in the country. A $7 million dollar renovation was begun in 2006 to restore this historic building to

    Jan 1, 2011

  • DFI
    Stub Pier Stabilization Performance

    By Swaminathan Srinivasan, Jess A. Schroeder

    "Landslide activity along U.S. 50 in Cincinnati, Ohio (USA) has caused roadway damage for decades. After a necessary closure of three lanes due to slope movements, emergency stabilization measures wer

    Jan 1, 2017

  • DFI
    Pore Water Pressure Response and Effect on Installation Torque of Large Diameter Helical Piles in Soft Soils

    By Howard A. Perko, M. Mae Benvenga, Heather H. Trantham

    Displacement of soil and groundwater during helical pile installation can produce excess pore water pressures (PWP) in fine-grained soils. Pore water pressure reduces effective stress in the soil imme

    Jan 1, 2018

  • DFI
    Overcoming the Challenges Endured by the Quality Assurance and Quality Control Teams during the Construction of a Deep Cutoff Wall in East Alton, Illinois

    By Raffaella Granata, Wesley Schmutzler, Matteo Bertoni

    "The Lower Wood River Levee system, at the confluence of the Wood River Creek and the Mississippi River, in East Alton, Illinois, has been plagued with underground seepage and, in 2010, remediation wa

    Jan 1, 2017

  • DFI
    The State Of The Art Of Jet Grouting In The United States

    By George K. Burke

    Jet grouting was first introduced into North America in the late 1970's, soon after the conception of the system in Japan. However, it was not until the mid-1980's that the technique began t

    Jan 1, 2002

  • 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
    The Application Of The Caisson In China

    By Chen Xizhe

    The caisson is adapted to the foundation of concentrated heavy building. As there are the flowing sand, boulder or cobble and other serious obstruction, the open caisson can't sink, the caisson c

    Jan 1, 1991

  • DFI
    High Capacity Rock Anchors At The Bear Mountain Bridge

    By Frederick C. Rhyner

    This paper describes the design and construction of two high-capacity rock anchors to restrain a supplementary backstay for the Bear Mountain Bridge, which is a suspension bridge spanning the Hudson R

    Jan 1, 2010

  • DFI
    Suction Piles And Suction Anchors For Offshore Structures

    By S. Bang

    In recent years, suction piles and suction anchors have been used as underwater foundations for various offshore structures. They have been proven very versatile, effective, and environmentally frien

    Jan 1, 2009

  • DFI
    Unbraced Circular Cofferdam For Vent Building No. 6 At The South Bulkhead - Introduction

    By Philip Bonanno

    The first major project in Boston's new access to Logan Airport was an Immersed Tube Tunnel which extended 3,600 ft. from South Boston to East Boston across Boston Harbor. Twelve tube sections, 3

    Jan 1, 1994

  • DFI
    Underground Parking Facilities In Rotterdam

    By Henk E. Brassinga

    In Rotterdam a number of underground parking facilities have been built and are under development in the inner city, and in the suburbs. These parking facilities are located at already densely built a

    Jan 1, 2006

  • DFI
    Application of Multiple Excavation Support Systems in Brown Field Project

    By Shuvranshu K. Rout, Anup K. Mandal, Biswajit Das, Manos De

    "To adopt new technology advancement in Steel Plant, there is a requirement of shifting of operation process from Coke Wet Quenching (CWQ) to Coke Dry Quenching (CDQ). New CDQ chamber foundation with

    Jan 1, 2017

  • DFI
    United States Capitol Visitor Center - Drilled Shafts, Utility Conflicts, And Communication

    By Giovanni A. Bonita

    The United States Capitol Visitor Center (USCVC) is one of the largest underground structures ever constructed in the Washington, DC, metropolitan area. The 600,000 ft2 (55,750 m2) structure is entir

    Jan 1, 2006

  • DFI
    Deep Diaphragm Wall Activities At Randstadrail Project In Rotterdam, The Netherlands

    By Klaus Pöllath

    The Netherlands RandstadRail project makes use of a large range of sophisticated geotechnical techniques to allow a shield driven tunnel to approach the central station of Rotterdam. This paper descri

    Jan 1, 2006