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  • DFI
    Alternative Deep Basement Solutions for Built- Up Areas

    By Abid Adekunte

    "In recent years, developers have had to deal with complexities associated with numerous cases of deep basement construction in built-up areas. Design and construction of deep excavation support syste

    Jan 1, 2015

  • DFI
    Underpinning And Micropiling To A Four Storey Apartment Building In Hamilton, Scotland

    By Clifford J. Wren

    A geotechnical foundation solution was required to halt and prevent further structural distress suffered by a residential four storey apartment building in Hamilton, Scotland. Residents of the ten ye

    Jan 1, 2008

  • DFI
    Helical Piles Performance In Golestan Loess Deposits Via Fullscale And Physical Modeling Testings

    By Abolfazl Eslami, Fatemeh Rostami, Sara Heidarie Golafzani, Mohammad Arabameri

    Collapsible loess is classified as problematic soil found in most continents. The loess immediately collapses under stresses induced by axial compressive loading or the soil weight when exposed to moi

    Oct 1, 2022

  • DFI
    A Study on Bearing Capacity of Waveform Micropiles Using Centrifuge Test

    By Chengcan Wang, Jin-Tae Han, Young-Eun Jang

    "The waveform micropile is a newly developed foundation type for increasing the bearing capacity with the created shear keys on the pile’s shaft. Analyzing the increment of resistance at the shear key

    Jan 1, 2016

  • DFI
    Shear Walls Used For Liquefaction Stabilization Of Earthen Dam Embankments

    By Peter J. Nicholson

    Recognition of the liquefaction susceptibility of dam embankments has been heightened since the San Fernando Dam near failure incident in 1971. Both the downstream and upstream slopes of dams can be

    Jan 1, 2008

  • DFI
    Underwater Pile Hammers

    By Douglas L. Scaggs

    Driving piles in under water applications has become more common place over the past twenty years. Where only a water depth reachable with a follower or dewatered cofferdam was the rule in the past,

    Jan 1, 2013

  • DFI
    Field Testing of Energy Piles at Virginia Tech (eec8519c-b3f5-4281-8615-91be67ef6c77)

    By C. Guney Olgun, Charles Elks, Sherif L. Abdelaziz, James R. Martin, Christopher Fox, Pier Luigi Iovino, Fatih Catalbas, Pierre Gouvin

    "Energy piles are a new innovative renewable energy technology to access and exploit the relative constant temperature of the ground for efficient heating and cooling of buildings. Examples of energy

    Jan 1, 2017

  • DFI
    First Use In The USA Of The CSM Method For Use As Microtunnel Sending And Receiving Shafts

    By Brett K. Mainer

    In the summer and fall of 2007, Drill Tech Drilling and Shoring, Inc. designed and built three 24-foot inside diameter shafts in Northern California using soil mix panels for support. The soil mixing

    Jan 1, 2008

  • DFI
    Design Of Cost-Effective Retaining Wall At The Junction Of Approach Bridge Over A Ramp

    By Dr. Anup Kumar Mandal, Partha Roy, Shuvranshu Kumar Rout, Dipak Mandal, Biswajit Das

    Installation of a new scalping station with bunker, apron feeder, scalping screen, ramp -retaining wall and approach bridge was planned in an existing integrated complex of phosphate fertilizer at a r

    Sep 1, 2022

  • DFI
    Design And Construction Of The Rion Antirion Bridge Foundations

    By Alain Pecker

    The choice of a design concept for a bridge foundation is guided by various factors; several of these factors are indeed of technical origin, like the environmental conditions in a broad sense, but ot

    Jan 1, 2013

  • DFI
    Construction Of The Main Tower Pier Caissons For The Greenville Bridge In Mississippi

    By F. Keith Jacobson

    To be involved in the construction of a deep dredged caisson for a major bridge pier is one of the most rewarding and professionally challenging experiences one can have in the bridge construction bus

    Jan 1, 2013

  • DFI
    Oakland Turning Basin Bulkhead Spin Fin® Pile

    By Todd Nottingham

    Channel deepening of major ports is challenging designers to explore innovative solutions to ensure stability of bulkheads, such as for the Oakland Inner Harbor. This particular challenge was met with

    Jan 1, 2008

  • DFI
    Evolution Of Deep Foundation Systems Used At The Port Ivory Intermodal Facility Site; 1906 ? 2004

    By Aly M. Mohammad

    The Howland Hook Terminal Facility located in Staten Island, New York is one of the most active container terminals in the Northeast United States. Due to the high capacity of the facility, the Port A

    Jan 1, 2004

  • DFI
    Use of Post-Grouted Drilled Shafts in Coastal Mississippi

    By Jacob A. Jordan, Rachel M. Garrett, W. Robert Thompson III, James C. Pegues

    "Environmental control structures for an existing fossil-fuel power generating plant near Pascagoula, Mississippi faced several design and construction challenges due to space limitations. Conceptual

    Jan 1, 2015

  • DFI
    Evaluation Of Existing P-Y Models For Caliche Based On Numerical Analysis Of Raiders Stadium Lateral Load Tests

    By Ramin Motamed, Fahim M. Bhuiyan, Raj V. Siddharthan

    Numerical lateral load analysis based on the beam on Winkler foundation (BNWF) model (i.e., the p-y method) is a simple, and widely used tool to predict lateral responses of drilled shafts from field

    Oct 1, 2022

  • DFI
    Developments In Coatings To Combat Negative Skin Friction - Bitumen Coatings: Practical Design And Construction Aspects

    By George Machan

    Bitumen coatings have been successfully used to significantly reduce downdrag on piles. Thicker coatings of "soft" bitumens can accommodate downdrag so well that very little downdrag load is transferr

    Jan 1, 1989

  • DFI
    Calibration of the Gates Pile Driving Equation for LRFD in Louisiana

    By Glenn J. Rix, Eduardo Tavera, Raphael Siebenmann, Zhongjie Zhang, Robert C. Bachus, Jongwon Jung

    "The Louisiana Department of Transportation and Development (LADOTD) uses a variation of the FHWA-modified Gates equation to verify the nominal pile bearing resistance, typically on smaller projects w

    Jan 1, 2017

  • DFI
    Field Testing Of Energy Piles At Virginia Tech

    By Olgun

    Energy piles are a new innovative renewable energy technology to access and exploit the relative constant temperature of the ground for efficient heating and cooling of buildings. Examples of energy

  • DFI
    Finite Element Analyses And Cofferdam Excavations

    By Dimitrios C. Konstantakos

    Cofferdam excavations have traditionally been designed with classical design methods that involve direct computations of active or apparent earth pressures. However in contrast to finite element metho

    Jan 1, 2013

  • DFI
    An Investigation Of Pile Foundations Installed During The Late 19th And Early 20th Century For Re-Use In Building Support

    By Scott M. Doehla

    A proposed rehabilitation of a 200,000 sf, 75-foot high steel-frame building at the former U.S. Navy Yard in Brooklyn, New York required the review of existing foundation data and an investigation of

    Jan 1, 2008