Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • DFI
    A Decade of Experience with Drilled Foundations in Honolulu

    By James W. Niehoff

    "Prior to 2003, most high rise structures in Honolulu, Hawaii were supported on driven pile foundations, extending through shallow coral strata and bearing in competent formations at depths of 100 ft

    Jan 1, 2016

  • DFI
    Pile Design Using Cpt Results: The “Lpc Method”

    By Frederic A. Verheyde

    The CPT pile design method of the ‘Laboratoire des Ponts et Chaussées’ (LPC) uses the cone resistance (qc) for the design of axially loaded piles. It was originally proposed in 1982 and was revised in

    Nov 1, 2022

  • DFI
    Innovative Integrated Jet Grout And Contiguous Cfa Piled Solution For Complex Deep Shoring Wall In Soft Soils – Retaining Structural Design And Analysis

    By W. L. Chong, Y. Zou

    There are many types of Earth Retention Systems (ERS) available in the market where more than one method can be a feasible solution for a project. This paper examines the design and construct process

    Nov 1, 2022

  • DFI
    Failure Modes for Embankments over Ground Improved with DCM Column Walls beneath the Slope

    By Manasi Wijerathna, D. S. Liyanapathirana

    "Deep cement mixing is a popular soft ground improving technology that improves the bearing capacity and settlement characteristics of natural soil. When Deep Cement Mixed (DCM) columns are installed

    Jan 1, 1900

  • DFI
    Experience-Based Value Engineering of Foundations & Deep Excavation Support Systems

    By Abdulazeez Rotimi, Barry Sheppard, Abid Adekunte

    Good engineering practice is a function of sound theoretical knowledge, first-hand experience on previous projects of similar scope and scale, good acquaintance with case histories of similar projects

    Sep 8, 2021

  • DFI
    A Review On Pedestal Piles

    By Venkatesh S. V J, Shubha M, Srilakshmi G

    Choosing for the best option of pile foundations to overcome large lateral and uplift loads for the foundations in transmission line towers/offshore environment is still being a concern to achieve the

    Sep 1, 2022

  • DFI
    Use Of The Impression Pile To Reduce Carbon Emissions

    By S. E. Stallibrass, A. M. McNamara, J. P. Panchal, Leonardo M. LaLicata

    Urban development in congested cities requires a better exploitation of the available surface, leading to taller structures. These buildings are usually founded on piles that have to be increased in d

    May 1, 2022

  • DFI
    Construction And Verification Of Large Bored Pile For Bridge Foundation Through Deep Weak Alluvial Soil Layers And Artesian Aquifer

    By C. Dai, S Raathiv

    The Waikato Expressway is one of the New Zealand Transport Agency’s (NZTA) seven roads of National Significance. Coffey is part of the City Edge Alliance engaged by NZTA for the Hamilton Section of th

    Nov 1, 2022

  • DFI
    Digitalization in Reverse Circulation Drill Rigs

    By N. Schmitz

    This paper explains how new digital solutions improve reverse circulation drilling operations. Upgrading field-proven reverse circulation drilling (RCD) rigs with new digital technologies enables sem

    Sep 8, 2021

  • DFI
    Full Waveform Inversion of Cross-Hole Stress Waves for Structural Integrity Testing of Drilled Shafts

    By Joseph T. Coe, Alireza Kordjazi, Michael Afanasiev

    Cross-hole sonic logging (CSL) is a common quality assurance measure for the evaluation of the structural integrity of drilled shafts. The results of CSL can be supplemented by a set of tomographic im

    Jan 1, 2019

  • DFI
    Optimization Of Drilled Shaft Design For A Highway Bridge In Arizona Using Load Test Results

    By John C. Niedzielski

    The existing US-70 Bridge over the Gila River at Bylas, Arizona is planned to be replaced due to its current poor condition. The replacement bridge is planned to be a 15-span, 1,904-foot (580 meter)

  • DFI
    Providing External Confinement to Precast Prestressed Pile Shafts to Improve Ductility - ·Experimental Observations

    By Andrew Budek

    "Analytical and experimental work has shown that achieving the full inelastic lateral capacity of a pile may require the formation of a plastic hinge below ground level, in the pile shaft. The confini

    Jan 1, 2005

  • DFI
    Effect of Grid-Form Deep Mixing Walls to Prevent Liquefaction Damage of Small Houses

    By Shoichi Tsukuni, Akihiko Uchida, Kazuo Konishi

    "In order to investigate the effect of grid-form deep mixing walls as a countermeasure for liquefaction damage to roads and private houses in Urayasu, Japan, three dynamic centrifuge model tests were

    Jan 1, 2015

  • DFI
    Non-Destructive Testing Of Pile Foundations In India: Current Practices And Challenges

    By Heman Manchanda, Jyoti Agarwal

    Several infrastructure projects are under construction in India; many of them involves construction of deep foundations like reinforced concrete and steel piles to support super structures. As most of

    Sep 1, 2022

  • DFI
    Innovative Driven Pile Solution for the Rhode Island Route 6/10 Interchange Project

    By Seth H. Hamblin, Leo J. Hart, John E. Regan

    The Route 6 /10 10 Interchange Design/Build project, located in Providence, Rhode Island, involves the design and construction of five (5) new elevated bridge structures to replace and reconfigure the

    Jan 1, 2019

  • DFI
    Mixed-in-Place Cut-Off Walls Create Artificial Polders in the Netherlands

    By R. Gerritsen, Erwin de Jong, E. van der Velde, C. te Boekhorst

    "In recent years the market for Mixed-In-Place soil mix techniques in the Netherlands has been growing rapidly. Initially the technique was used to create cut-off walls near river dikes and as a vibra

    Jan 1, 2015

  • DFI
    Commentary on the Selection, Design and Specifcation of Ground Improvement for Mitigation of Earthquake-Induced Liquefaction

    By Ground Improvement Committee

    The evaluation of earthquake-induced liquefaction has become a routine part of geotechnical engineering design. For a given project, if an analysis identifies a potential for liquefaction and the cons

    Aug 1, 2013

  • DFI
    Assessment of the Durability of Cementitious Barrier Materials

    By Stephan A. Jefferis, Adrian H. Bath

    "This paper draws together some themes on the durability of barrier systems, and particularly cementitious systems. For contaminated land and water retaining structures, durability can be poorly addre

    Jan 1, 2016

  • DFI
    Development of Lattice-Shaped Cement Treatment Method for Liquefaction Countermeasure

    By Seiji Mizutani, Hirofumi Taguchi, Makoto Yoshida, Hidenori Takahashi, Naotoshi Shinkawa, Kazuo Konishi, Yoshiyuki Morikawa, Masaya Kawata

    "The lattice-shaped cement treatment method has been used to improve the seismic performance of liquefied sandy soil in Japan. The efficacy of the method has been confirmed by the huge earthquake in J

    Jan 1, 2015

  • DFI
    Seismic Stability Analysis of Seepage Control Measures for Levees in Central Valley, California

    By Zia Zafir

    "Levees in the central valley of California are primarily for flood control purposes and thus are subjected to infrequent hydraulic loading. The primary concern for these levees is their instability d

    Jan 1, 2016