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  • DFI
    Driven Piles

    By S. Merjan

    Three papers were presented for discussion at the conference: 1) Instrumented driven steel tube piles at Canary Wharf; author: A. R. Gaba, United Kingdom. The author described the Canary Wharf

    Jan 1, 1991

  • DFI
    Soil Profiles Along The Alignment Of The I-880 Replacement Project

    By Mark A. Willian

    The purpose of this short paper is to present soil profiles and basic soils information for the portion of the I-880 Replacement Project alignment where highway structures are to be built. The informa

    Jan 1, 1996

  • DFI
    Lateral Vibration Response Of Full Scale Single Piles

    By A. Boominathan

    The behaviour of single piles under lateral dynamic loading is very critical and the study is still a current field of research since 1950's. Though many methods have been developed analytically

    Jan 1, 2002

  • DFI
    Full-Scale Field Investigations & Numerical Analyses of Innovative Seismic Composite Fiber Reinforced Polymer and Reinforced Grouted Helical Screw Instrumented Piles Under Axial & Lateral Monotonic & Cyclic Loadings

    By M. Hesham El Naggar, Yasser Abdelghany

    "ABSTRACT: The axial and lateral monotonic and cyclic behavior of helical pile foundations was investigated and new innovative helical screw systems suitable for seismic loadings were developed and pa

    Jan 1, 2014

  • DFI
    Deep Vibrocompactation By Stone Columns And Liquefaction Investigation

    By P. Ventura

    Reliability of the liquefaction analysis is based on data plotted as by piezocone, as by deep vibrocompactation monitored tests. The negative porewater pressure, re lated to hydrostatic value, recorde

    Jan 1, 1989

  • DFI
    New CIGMAT Downhole Penetrometer (DHP-CIGMAT) For Use During Drilled Shaft Construction

    By C. Vipulanandan

    It is critical to monitor the ground conditions during excavation and drilling of boreholes during construction to identify possible changes in the soil and rock formations. Drilled shafts are increas

  • DFI
    Quality Assessment Procedure And Classifications Of Cast-In-Place Shaft Using Low Strain Dynamic Test

    By Liqun Liang

    Various nondestructive testing (NDT) inspection methods are available to evaluate the structural integrity of cast-in-place shafts. The widely used methods include Cross Hole Sonic Logging Testing and

    Jan 1, 2011

  • DFI
    The Berkeley Art Museum: Repurposing a Historical Building

    By Timothy Nelson, Simon Burnworth

    "The Berkeley Art Museum and Pacific Film Archive (BAMPFA), which currently resides in a 1970s-era post-modern concrete structure just south of the University of California, Berkeley campus, was in ne

    Jan 1, 2016

  • DFI
    Bearing Capacity Of Footings And Piles - A Delusion? - DFI Annual Meting, October 14-16,1999, Dearborn, Michigan - Summary

    By Bengt H. Fellenius

    The bearing capacity equation?"the triple N formula"? is now about 50 years old. It was developed from theory of plastic resistance of metal to a cone being pressed into the surface of the metal, supe

    Jan 1, 1999

  • DFI
    Driving and Extraction of Steel Pipe Piles in Nearshore Environment

    By Jim Rix, Ken Been, Nihal Bohra, Anthony Rice, Juan Lopez

    "A temporary bridge, supported on steel pipe piles, was built to expedite the construction of a breakwater structure off the western coast of Peru. The bridge provided access for dump trucks to the br

    Jan 1, 2017

  • DFI
    Mini-Piling And Soil Anchors ? Introduction

    By Martin C. Jones

    This paper outlines the development of small diameter grouted piling, to deal with foundation problems in difficult soils conditions and in very restricted access areas. A number of applications are o

    Jan 1, 1987

  • DFI
    Use Of Large Diameter And Long Steel Pipe Piles In Japan ? Synopsis

    By K. Kawakami

    In Japan, pile foundations have been used extensively for buildings, bridges and port facilities. A large number of steel pipe piles were first used in the 1960's and the amount of steel used in

    Jan 1, 2010

  • DFI
    Dynamic Stability Of An Axially Loaded Pile

    By S. S. Gajin

    The paper deals with parametric vibrations of an axially loaded pile. The dynamic model is derived by means of Hamilton's principle and reduced to a partial differen­tial equation with variable c

    Jan 1, 1989

  • DFI
    The Use Of A Reverse Circulation Diaphragm Walling Technique To Form A Plastic Cut-Off Wall Around Sizewell B Power Station

    By H. F. Cowie

    Britain's first pressurised water reactor (PWR) Nuclear Power Station is now under construction at Sizewell on the Suffolk coast. A linear cut-off wall was proposed to ensure that the drawdown of

    Jan 1, 1989

  • DFI
    Case History: Use Of Rock-Socketed Augered Cast-In-Place Piles

    By Tracy Brettmann

    The use of rock-socketed Augered Cast-In-Place (ACIP) piles is new to the Austin and central Texas region. This case history describes the design methodology, load test results, quality control proced

    Jan 1, 1998

  • DFI
    Special Topic On Eurocode 7 And Standardization - Eurocode 7 - A European Geotechnical Design Code - The Eurocode System * The Objectives Of The Eurocodes

    By Niels Krebs Ovesen

    Close economic cooperation was established among the countries in western Europe during the seventies. As a consequence, among others, a need for harmonized technical specifications for civil engineer

    Jan 1, 1994

  • 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
    Reanalysis Of Piles Under Static And Dynamic Lateral Loads

    The process of pile driving disturbs the soil around the pile. The nature and magnitude of disturbance depends upon 1) the pile size, and 2) the nature of soil. Therefore, the prediction of a single p

    Jan 1, 1989

  • DFI
    List Of Exhibitors

    A technical exhibition was held in conjunction with the 4th DFI International Conference on Piling and Deep Foundations, Stresa. The exhibition was located in the ground floor of the Conference Hall.

    Jan 1, 1994

  • 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