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  • DFI
    "Comparative Pile Load Tests In Alluvial Sands" - I. Introduction

    By Lawrence F. Johnsen

    In 1989, the Connecticut Department of Transportation authorized the evaluation and design for a reconstructed Route 1 bridge over the Quinnipiac River in the City of New Haven, Connecticut. The proje

    Jan 1, 1993

  • DFI
    New Method for Reduction of Settlement Drilling Casings for Steel Core Piles

    By Larsson Lars-Erik, Rani Isa, Martin Jönsson, Håkan Bredenberg, Mats Larsson

    "IntroductionSteel Core Piles are used extensively in Scandinavian countries, where hard rock is found within reasonable depths. A steel core is cast into a drilled steel tube casing and a rock hole i

    Jan 1, 2014

  • DFI
    Macropiles: Ultra-High-Capacity Micropiles For Foundation Support

    By John R. Wolosick

    MACROPILES are defined as ultra-high-capacity micropiles, with working loads in excess of 250 tons. The piles are typically 9-5/8 to 24 inch (244 to 610 mm) outside diameter. They are drilled and gr

    Jan 1, 2006

  • DFI
    Deep Foundations In The Challenging Geology Of Central Florida

    By Gary Kuhns

    Central Florida is among the fastest growing urban areas in the United States, and its rapid development has required the steady construction of various types of civil engineering works. The karst geo

    Jan 1, 2003

  • DFI
    Army Corps of Engineers Seepage Control Cutoffs for Dam and Levees Engineering Manual (EM)

    By David B. Paul

    "ABSTRACTThe US Army Corps of Engineers (USACE) has 704 dams in their inventory and over 100,000 miles of levees with a capital value of over $150 billion. Currently, there are 319 dams that are class

    Jan 1, 2014

  • DFI
    Support Of Excavation System - Columbia Heights Metro Station Project - Washington, D.C. - Summary:

    By Robert W. Bergwall

    The $58,000,000.00 Columbia Heights Metro Station project (Section E3-a) forms a part of the Washington Metropolitan Area Transit Authority's (WMATA) Greenbelt Route - Green Line subway system. T

    Jan 1, 1997

  • DFI
    Underpinning With Steel Pipe Piles

    By Pasi Korkeakoski

    There are about 400 multi-storey buildings founded on wooden piles in the city centre of Turku in Finland. Soil conditions are variable from hard rock to very soft clay. Due to the soil conditions and

    Jan 1, 2000

  • DFI
    Behavior Of Excavation With Sheet Piling In Soft Clay ? Synopsis

    By G. X. Zeng

    A calculation programme of finite element method has been developed in order to study the behavior of excavation with sheet piling in soft clay. Based on a series of isotropically consolidated-undrain

    Jan 1, 2010

  • DFI
    Nature And Functions Of A Geotechnical Consulting Firm ? Synopsis

    By D. V. Roberts

    Approximately 800 private consulting engineering firms in America specialize in geotechnical engineering. The gross income from these firms totals about $500 to $600 million per year. Sixty-five to se

    Jan 1, 2010

  • DFI
    Deep Foundation Solutions And Implementation For Pittsburgh International Airport Midfield Terminal ? 1.0 Introduction

    By Peter Florian

    At 5:50 am on October 1, 1992, the new $800 million Pittsburgh International Airport Midfield Terminal opened its gates to the world after five years of construction and more than 24 years of planning

    Jan 1, 1993

  • DFI
    Project Specifc Design Criteria I-880 Reconstruction Project, Oakland, California

    By Steve Thoman

    After the 1989 Loma Prieta Earthquake, the California Department of Transportation (Caltrans) initiated an overview of the Caltrans Bridge Design Specifications (BDS) and bridge seismic design practic

    Jan 1, 1996

  • DFI
    Session II - Industry Trends And Up And Coming Innovations - Reflections On Our Industry - Foundation Vs Geotechnical

    By Arturo Ressi di Cervia

    From the times when men in lacustrine environments drove wooden piles into the mud to elevate their dwellings, until the beginning of the twentieth century builders reacted to the conditions found in

    Jan 1, 2000

  • DFI
    Design & Construction Of Pile Foundations For A Building Complex - A Case History

    By S. K. V. Avasarala

    This paper presents a case history of design, prediction, probe and production pile driving monitoring, loading tests and installation of over 3,300 prestressed concrete piles for a building complex c

    Jan 1, 1995

  • DFI
    Response to Load for Four Different Types of Bored Piles

    By Mario Terceros H., Bengt H. Fellenius

    "ABSTRACTFour strain-gage instrumented bored piles were constructed in a sedimentary, dense to very dense, fine to medium sand in Santa Cruz, Bolivia. Two of the test piles were the normally used bore

    Jan 1, 2014

  • 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
    Seal Slab Prestressed Pile Interface Bond From Full-Scale Testing

    By Gray Mullins

    This paper presents experimental results from a study to assess the interface bond between a cast-in-place concrete seal slab and prestressed concrete piles in cofferdams. Three different seal slab p

    Jan 1, 2013

  • DFI
    Secant Pile Walls - Design, Construction And Case History

    By Ketan H. Trivedi

    This paper describes the method of analyses used for the design of temporary and permanent Secant Pile Walls, describes various aspects of construction including, guide walls, sequence of pile install

    Jan 1, 2006

  • DFI
    Seismic Hazards Evaluation and Lateral Pile Design in Diatomaceous Earth

    By Arash Khosravifar, Matt Steffan

    An expansion of the City of Klamath Falls Wastewater Treatment plant required geotechnical seismic hazard evaluations and deep foundation design. The site is located on the shore of Lake Ewauna and is

    Jan 1, 2018

  • DFI
    Tied-Down Boat Section Construction

    By Romano J. Micciche

    One of the largest scale uses of a multiple, high-strength steel bar tiedown system is described. Tiedowns were installed to resist hydrostatic uplift forces acting on a section of the Interstate High

    Jan 1, 1994

  • 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