DFI Publications Store

DFI offers a wide variety of publications available in different formats: books , PDFs , CD/DVD and flash drives.

Publications are available for purchase from DFI. The prices for different formats are indicated in USD$.
Many publications are also available from OneMine , a web-based document library where DFI members can access and download over 125,000 articles, technical papers and books from organizations all over the world - at no cost. Non-members can purchase and download documents from OneMine for $25 per download.

#ID description nonmember price USD$
#TM-WPSAFETY Recommended Industry Practices for Safe Working Platforms for Construction Equipment
DFI, ADSC, PDCAWorking Platforms Industry-Wide Working Group table of contents
36 pgs, illustrated, PDF

The purpose of the document is to present an administrative procedure to institutionalize a clear method for ensuring that safe Working Platforms are in place for foundation construction equipment. This document also serves as a suggested framework by which allocation of responsibility can be communicated and determined long before work is performed on the jobsite.

#AM-2020 Proceedings of the 45th Annual Conference on Deep Foundations, 2020 - ONLINE
DFI Conference Chair: Sebastian Lobo-Guerrero, Ph.D., P.E, American Geotechnical & Environmental Svcs; Conference Program Chairs: Jennifer Nicks, Ph.D., P.E., FHWA; Gregg Piazza, P.E., Geostructures, Inc. table of contents
747 pgs, illustrated, 8 1/2 x 11"

This publication contains peer reviewed technical papers presented during DFI's 45th Annual Conference on a variety of topics selected by the Organizing Committee including: Alternative Foundations, Complex Excavations, Improving Future Practice, Developments in Safe Geo Constructions, The Digital Future, Pile Foundations, Drilled Shafts, Earth Support, Exploration and Testing, Ground Improvement, Underpinning and Nailing, and other Deep Foundations-related topics.

#OA-DFJV14N1 Theoretical t-z Curves for Piles in Radially Inhomogeneous Soil
DFIEDITORS:: Anne Lemnitzer, Ph.D., P.E.; Timothy C. Siegel, P.E., G.E., D.GE AUTHORS: Abigail H. Bateman; Jamie J. Crispin
9 pgs, PDF

Accurate estimates of pile settlement are key for efficient design of axially loaded piles. Calculations of pile settlement can be simplified using one-dimensional t-z curves describing pile settlement at a certain depth as a function of side friction. In the realm of this simplified framework, theoretical t-z curves can be derived by substituting an attenuation function describing the variation of shear stress with distance from the pile, into a soil constitutive model relating shear strain to shear stress, then integrating with respect to distance to get the settlement at the pile circumference due to an applied shear stress. A handful of analytical t-z curves are available in the literature using the concentric cylinder model to define an attenuation function; these include solutions for linear-elastic, power-law and hyperbolic constitutive models. However, radially homogeneous soil has often been assumed, ignoring the effect of the pile installation resulting in unconservative calculations of pile settlement. This paper considers the installation of the pile, resulting in a radially variable shear modulus distribution in the surrounding soil. A radial inhomogeneity correction factor has been developed for selected constitutive models based on two simplified functions for the soil inhomogeneity, which can be applied to the previously derived t-z curves produced assuming radially homogeneous soil. The performance of this simplified method is investigated.

#IC-ISFOG21 International Symposium on Frontiers in Offshore Geotechnics
DFIZack Westgate, Norwegian Geotechnical Institute table of contents
2,258 pages, PDF, Illustrated, 205 articles, A4

The Fourth International Symposium on Frontiers in Offshore Geotechnics (ISFOG) follows the previous symposiums in Oslo, Norway (2015) and Perth, Australia (2010 and 2005). The symposium features the fifth McClelland Lecture and strives to continue providing a specialist forum for practitioners and academics to share solutions and new ideas that address the dynamic challenges of working in offshore design and installation. Presentations focus on: axial and lateral pile responses; foundation installation and extraction; geohazards and integrated studies; in situ and laboratory testing; pipelines, risers, and cables; risk and reliability; shallow foundations; site characterization; soil behavior and modeling, and spudcans. Click here to purchase this publication. If you register for the November 2021 event, the $150 proceedings fee will be automatically deducted from your conference registration.

#SP-2020 Virtual SuperPile 2020 Online Proceedings
Online Access to Presentation PDFs

SuperPile 2020 virtual conference proceedings includes presentations of the most contemporary foundation topics. Geotechnical and legal experts presented the meaning, benefits, challenges of using a Geotechnical Baseline Report (GBR) for foundation projects. There are also presentations on key construction and testing topics and a panel presentation titled Horses for Courses on foundation and integrity testing methods. Other titles include: The Incremental Rigidity Method - More-Direct Conversion of Strain to Internal Force in an Instrumented Static Loading Test; Pipe Piles in Plastic Soils: Effect of Installation Activities on Side Resistance; Impact of Heave on Permanently Cased Drilled Shaft Axial Capacity in Sand; Micropiles for Permanent Support Applications in Sedimentary Formations; Reducing Risk and Conservatism in Drilled Shaft Design: A Case Study; Using Thermal Integrity Profiling (TIP) to Monitor Shaft Cooling System for Large Diameter Drilled Shafts

#TM-PLATFORMS Guide to Working Platforms
EFFC and DFIEFFC/DFI Working Platforms Task Group table of contents
PDF; 175 pages; illustrated

On a typical construction site, the provision of a safe surface to work on involves and affects a number of the contracting parties (the client; principal designer; general contractor; specialty contractor; platform designer; platform installer or earthworks contractor; platform tester and platform maintainer), and as a consequence, the organisation of its design, installation and maintenance can be complex. As it concerns money and liability it is often a contentious issue, but nonetheless one that needs to be addressed. This document takes each step in turn and describes what good practice is, with reference to documents and resources that have been made available through the EFFC and DFI. In compiling this information responses have been collated from foundation contractors from; France, United Kingdom, the Czech Republic, Germany, Netherlands, Poland, Portugal, Romania, Sweden, Austria, Belgium, Denmark, Hungary, Italy and Sweden, USA and Canada.