Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • DFI
    Recent Experiences With Bi-Directional Static Load Testing

    By M. England

    Keywords: Bi-directional tests, Osterberg cell, O-cell®, static load tests, Timeset® Static load testing, where loads are applied vertically to the top of the pile and often referred to as 'to

    Jan 1, 2006

  • 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
    Load Testing Of Steel Sheet Piling Driven With A Vibratory Hammer

    By Drew Floyd

    Five full-scale pile load tests were performed on pairs of PZ-22 sheet piles installed with a vibratory pile driving hammer. The sheet piling was installed in several locations in soil generally consi

    Jan 1, 1989

  • DFI
    Case History Of The Support Of Excavation System At The San Diego State University (SDSU) LRT Station

    By Allan Sylvester

    This paper will discuss the design, construction, and performance of the support of excavation on the San Diego State University LRT Station. The vertical elements of the system include drilled secant

    Jan 1, 2002

  • DFI
    Hollow Core Bar Micropiles - Design Parameters Interpreted From 404 Load Tests

    By Jesús E. Gómez

    This work is a continuation of a paper presented in the 32nd DFI Annual Conference, Colorado 2007, titled ?Hollow Core Bar Micropiles - Design parameters interpreted from 260 load tests.? The first pa

    Jan 1, 2008

  • DFI
    Behavior Of Mini-Piles Used In Foundation Underpinning In Beaumont Clay, Houston, Texas, USA

    By O&apos, M. W. Neill

    Mini-piles have been found to be a practical, technically correct remedial underpinning method. They can be constructed in limited access areas with very little disruption. Experience indicated that m

    Jan 1, 1989

  • DFI
    Tunnel Headwall Softeyes: Fiberglass Design Applications and Constructability Challenges

    By Shawna Munn, Jakub Hudler

    This paper outlines the use of tunneling headwall softeyes for transit construction projects in the Greater Toronto Area (GTA) over the past decade. Due to spatial constraints, tunnel boring machines

    Jan 1, 2018

  • DFI
    Large-Scale Earthquake-Induced Landslide Repair Following New Zealand’s Kaikoura Earthquakes

    By Mathew Avery, Colby Barrett

    In November 2016, a 7.8-magnitude earthquake caused more than 100,000 cubic meters of rock and debris to tumble down and bury the transportation infrastructure below Ohau Point in New Zealand. All rou

    Jan 1, 2018

  • DFI
    Bending Strength Of Threaded Micropile Connections

    By Steven R. Musselman

    The bending strength and flexural stiffness of a micropile at its threaded connection is less than its intact strength and may fail due to thread slippage or by fracture through the pin (reduced cross

    Jan 1, 2007

  • DFI
    Steel And Concrete Piles Used In The Great Plains Of USA

    By Marius B. Wechsler

    A mathematical analysis is developed for the determination of the cases when HP-piles might be replaced by precast concrete piles. The analysis focuses especially on the "integral abutment-bridges" wh

    Jan 1, 1992

  • DFI
    6000 Ton Osterberg Load Test Reduces Foundation Costs For Delaware River Tramway

    By Aly M. Mohammad

    The Delaware River Tramway will link civic and retail developments in Philadelphia, Pennsylvania and Camden, New Jersey. Twin 300-foot towers will anchor the cables at either side of the river. Four h

    Jan 1, 2002

  • DFI
    Excavation Bracing Technology ? Synopsis

    By G. F. Sowers

    Excavation bracing is a special structural system. It is built from the top down. The design is controlled by the economical construction of another structure as well as by the movement of the ground

    Jan 1, 2010

  • DFI
    The Historical Evolution Of Piling And Deep Foundations And Prospects For The Future. (6f8f1933-2bde-4a96-8f8f-131aa6e7971f)

    By W. G. K. Fleming

    The general history of piling is traced up to the present time with regard to the evolution of methods and materials. The processes have been strongly influenced by developments in basic equipment and

    Jan 1, 1999

  • DFI
    Reducing Construction Interference when Implementing Geotechnical Instrumentation and Monitoring in Urban Excavation Projects

    By Martin B. Hudson, Daniel Brescia, Zhangwei Ning

    Due to the complexity and sensitivity of surrounding environments, instrumentation and monitoring (I&M) is critical for many urban deep excavations. The objects to be monitored include shoring bulkhea

    Jan 1, 2018

  • DFI
    Grouting Methods Involved in Stabilization of TBM Tunnel near CP-06, UAA-04, Chennai Metro

    By Yeruva Ramanareddy, Sohail Wajid, Ahmed Shaz, K. Bhavani

    "CP-06 is an NATM cross passage which connects up-line and down-line metro tunnels near Kilpauk Medical College, Chennai. It lies completely in loose silty sand to dense sand with water table almost t

    Jan 1, 2017

  • DFI
    Resonant Driving of Sheet Piles: High Production Sheet Pile Driving With Zero Ground Vibration

    By Mathew Janes

    "Sheet piles remain an economic solution to many shoring problems. However, installation of sheet piling suffers high noise and vibration with conventional impact or vibratory methods or low productio

    Jan 1, 2014

  • DFI
    Anchored Diaphragm Wall and Dewatering System for Libya Hotel

    By Claudio Asioli

    "The project’s goal was to construct the Al Ghazala Intercontinental, a multi-use development in the bay area of Tripoli overlooking the Mediterranean Sea. The site of the project is located approxima

    Jan 1, 2017

  • DFI
    Anchored Diaphragm Wall and Dewatering System for Libya Hotel

    By Claudio Asioli

    "The project’s goal was to construct the Al Ghazala Intercontinental, a multi-use development in the bay area of Tripoli overlooking the Mediterranean Sea. The site of the project is located approxima

    Jan 1, 2017

  • DFI
    American Developments In The Use Of Small Diameter Inserts As Piles And Insitu Reinforcement

    By D. A. Bruce

    The use of small diameter cast-in-place bored piles is becoming increasingly popular in the United States. Such inserts are used as conventional load bearing piles, and are generally referred to as pi

    Jan 1, 1989

  • DFI
    Argosy Casino Expansion: Open Cell Sheet Pile® Harbor Project

    By Michael Lane

    With the success of their existing casino operation on the Ohio River in Lawrenceburg, Indiana, the Indiana Gaming Co., LP planned a major expansion of the current facilities. This expansion includes

    Jan 1, 2008