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Web Sites
GRL/PDI Sample Specification for Dynamic Testing
Downloading Center of some documents.
Paper on Sheet Pile Wall
Measurement of lateral forces during seismic loading from NFS Tokyo office.
Pile Info
International forum on piling technology. The site is created by Swedish Commission on Pile Research.
PileClash!
Documents and downloadable Ms Excel worksheet to identify pile collisions.
Seismic Response of Piles Research Project
Download individual chapters from the Dissertation: "Shaking Table Scale Model Tests of Nonlinear Soil-Pile-Superstructure Interaction in Soft Clay" by Philip J. Meymand, 1998.
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Technical Articles
Accuracy Of Determining Pile Capacity By Dynamic Methods
This paper shows the advantages of the dynamic capacity methods and points out the necessity of considering the time effect for correct assessment of the accuracy of dynamic methods.
A New Method of Measuring Deformations in Diaphragm Wall and Piles
Full text paper In PDF format.
A Short History of the Wave Equation for Piles
It's easier to understand where we're going if we understand where we've been. This paper discusses just that for the wave equation as applied to piles.
Behaviour of continuous helical displacement piles
A steel hollow stem boring head with helical flights or "bullet" is screwed into the ground while displacing the soil laterally. When the founding depth is reached the direction of rotation is reversed and the auger is withdrawn.
Continuous Strain Monitoring of Large Diameter Steel Piles
In PDF format.
The Design of CFA Piles in Chalk
There are various design methods available for piles founding within chalks. The chalk strength is typically related either to the standard penetration test, the uniaxial compressive strength or the effective vertical stress and angle of friction. This diversity in design approach yields very different answers...
Development Of Displacement Auger Piling Systems
Without doubt the most exiting developments in the early years of the new millennium, as far as piling is concerned, will be in the field of displacement auger piling systems.
How Lasers Can Verify The Quality Of Piling
Foundation Contractor Expanded Piling has introduced a laser-based method of verifying the quality of underreamed piles which ensures consistent depth irrespective of whether single or multiple kelly bars are used to form the pile.
Introduction Of A New Cast-In Place Displacement Piling System
Kvaerner Cementation Foundations claims its new Millennium piling system is the first radically different piling technique in 25 years. While rivals may dispute this, it is nevertheless a significant development for the industry.
Modelling the transport of a pulse of two contaminants through a clay layer
Technical report from University of Cambridge Geotechnical Group.
Moving Piles Minimise Pressure on an Old River Wall
London's stunning Millennium footbridge across the Thames is being built with piles designed to move.
Pile Cap Construction
A short introduction to this new technique.
Pile Driving Equipment
Engineering Instruction (PDF format file) prepared by U.S. Army Corps of Engineers.
Pile Wave Equation
Information about one dimensional wave equation applied to foundation piling.
Piling Technique Which Can Sink Through Poisonous Waste
Over a year’s development of an innovative technique to pile through layers of dumped asbestos waste is proving its worth as its first commercial test nears completion. David Hayward reports from the Channel Tunnel Rail Link's’Medway Bridge.
Rapid Pile Test Methods
Although some engineers have seen or produced apparently persuasive evidence that dynamic testing of piles allows either settlement behaviour under load (other than elastic shortening) or even ultimate capacity to be deduced, it remains a challenge to devise or develop a technique that is generally applicable to any pile in any type of soil conditions.
Set-Up Effect Of Cohesive Soils In Pile Capacity
In this paper, assessment of pile capacity as a function of time has been performed for cohesive soils.
Specialist Procedure To Minimise Impact Of Piling On Archaeological Remains
DEVELOPMENT of Merrill Lynch's new regional headquarters in the City of London had to take account of Roman and medieval remains underlying the site.
Time-Dependent Capacity of Piles in Clayey Soils by Dynamic Methods
This paper shows the conditions for proper comparison of static load test and dynamic testing results, analyzes the causes of erroneous prediction of pile capacities computed by wave equation analysis, and demonstrates that application of a variable damping coefficient can improve the reliability of wave equation solutions.
UK's First Use of Self-compacting Concrete in Precast Pile Production
Thousands of linear metres of precast concrete piles are being produced in near silence, thanks to what is claimed to be the UK's first use of self-compacting concrete in precast pile production.
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