Rapid Load Testing on Piles

Rapid Load Testing on Piles PDF Author: Paul Holscher
Publisher: CRC Press
ISBN: 0203145887
Category : Science
Languages : en
Pages : 118

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Book Description
A Rapid Load Test (RLT), developed to determine the initial stiffness and bearing capacity, is an economical and practical alternative to a Static Load Test (SLT). The broad application of RLT, however, was hampered by uncertainty about the interpretation of the test results. This book offers clear guidance on the available analysis techniques and

Rapid Load Testing on Piles

Rapid Load Testing on Piles PDF Author: Paul Holscher
Publisher: CRC Press
ISBN: 0203145887
Category : Science
Languages : en
Pages : 118

Get Book Here

Book Description
A Rapid Load Test (RLT), developed to determine the initial stiffness and bearing capacity, is an economical and practical alternative to a Static Load Test (SLT). The broad application of RLT, however, was hampered by uncertainty about the interpretation of the test results. This book offers clear guidance on the available analysis techniques and

Rapid Load Testing on Piles

Rapid Load Testing on Piles PDF Author: Paul Holscher
Publisher: CRC Press
ISBN: 0415695201
Category : Technology & Engineering
Languages : en
Pages : 120

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Book Description
A Rapid Load Test (RLT), developed to determine the initial stiffness and bearing capacity, is an economical and practical alternative to a Static Load Test (SLT). The broad application of RLT, however, was hampered by uncertainty about the interpretation of the test results. This book offers clear guidance on the available analysis techniques and their reliability. The guidelines were related to an international standard that is drawn up by CEN and can be used in two ways: Straightforward interpretation of test results, chapters 1-3 Interpretation with additional background information about the possibilities and limitations, chapters 4-8 The guidelines were drawn up by the Dutch CUR-committee on rapid load testing on piles. Chapters 1 and 2 deal with the practical execution of the test and the presentation of the results. Chapter 3 gives a general overview of existing interpretation methods and refers to step-by-step descriptions of the two advised interpretation methods. The aspects that are important for the interpretation are discussed in chapter 4, also showing that the inertia of the pile should be taken into account. In clay soil the rate effect (the dependency of strength and stiffness on loading rate) is also of importance, whereas in sand and silt the generation of pore water pressures during an RLT plays a role. The velocity of the RLT is such that the reaction of sand and silt might be considered as partially drained. These guidelines indicate how these effects can be compensated to obtain the static resistance in the final results. Chapter 5 presents two interpretation methods (a method for piles in sand, gravel, silt and piles on rock and a method for piles in clay). For practical use, the methods are described in a step-by-step scheme in an appendix.

Rapid Load Testing on Piles

Rapid Load Testing on Piles PDF Author: Paul Holscher
Publisher: CRC Press
ISBN: 9781134015238
Category : Technology & Engineering
Languages : en
Pages : 200

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Book Description
To obtain data about the stiffness and bearing capacity of a foundation pile, the Rapid Load Test could be an effective and economic alternative for a static load test. In order to judge this, the influence of rate effects in clay and pore water pressures in sand should first be understood. This book presents the latest developments in the research that is carried out to unravel these effects. It contains current contributions by world wide leading academics. Moreover the editors summarize the empirical field data and discuss advanced centrifuge modeling. This indispensable information source on the progress in Rapid Load Testing is intended for researchers and professionals working on the load testing of foundation piles.

ICE Specification for Piling and Embedded Retaining Walls

ICE Specification for Piling and Embedded Retaining Walls PDF Author:
Publisher:
ISBN: 9781523124695
Category : Piling (Civil engineering)
Languages : en
Pages :

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Book Description
This edition retains the three-part approach of the second edition. Part A is an introduction to the essential concepts necessary to procure a piling or retaining wall contract. Part B is the specification and is still the only part of this document intended for incorporation in contracts. Part C provides guidance for use of the specification and essential background information for specifiers and contractors alike. Unlike the second edition, Part 3 guidance notes immediately follow the relevant Part 2 specification requirements. The three sections provide the reader with a full compendium without being overly prescriptive.

Interpretation of Rapid Pile Load Testing

Interpretation of Rapid Pile Load Testing PDF Author: Lam Van Duc
Publisher:
ISBN:
Category : Piling (Civil engineering)
Languages : en
Pages : 288

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Book Description
Nowadays, the rapid pile load testing has been used frequently by geotechnical engineers in the world. Comparing to static load testing, the rapid method is quicker and more efficient. However suitable techniques shall be used for obtaining load-displacement curves from rapid load test results. Among methods in literatures, the Unloading Point method can be considered as the simplest and most common. It performs well in sandy soil, but over-predicts the capacity of piles in clayey soils. Therefore, a new technique which performs well in both of sandy and clayey grounds is proposed in this study. Moreover, the existing dynamic pile load test is modified to approximately meet the requirements of rapid test on driven piles. The modification and illustration of rapid tests on driven piles are carried out by GRLWEAP 2010.

Pile Design and Construction Practice

Pile Design and Construction Practice PDF Author: Willis H. Thomas
Publisher: CRC Press
ISBN: 0203964292
Category : Technology & Engineering
Languages : en
Pages : 566

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Book Description
This international handbook is essential for geotechnical engineers and engineering geologists responsible for designing and constructing piled foundations. It explains general principles and practice and details current types of pile, piling equipment and methods. It includes calculations of the resistance of piles to compressive loads, pile group

The Rapid Load Testing of Piles in Fine Grained Soils

The Rapid Load Testing of Piles in Fine Grained Soils PDF Author: Michael John Brown
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description


Helical Piles

Helical Piles PDF Author: Howard A. Perko
Publisher: John Wiley & Sons
ISBN: 0470404795
Category : Technology & Engineering
Languages : en
Pages : 529

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Book Description
An unbiased, comprehensive review of helical pile technology and applications Helical piles have risen from being merely an interesting alternative for special cases to a frequently requested, more widely accepted deep foundation adopted into the 2009 International Building Code. The first alternative to manufacturer-produced manuals, Howard Perko's Helical Piles: A Practical Guide to Design and Installation answers the industry's need for an unbiased and universally applicable text dedicated to the design and installation of helical piles, helical piers, screw piles, and torque anchors. Fully compliant with ICC-Evaluation Services, Inc., Acceptance Criteria for Helical Foundation Systems and Devices (AC358), this comprehensive reference guides construction professionals to manufactured helical pile systems and technology, providing objective insights into the benefits of helical pile foundations over driven or cast foundation systems, and recommending applications where appropriate. After introducing the reader to the basic features, terminology, history, and modern applications of helical pile technology, chapters discuss: Installation and basic geotechnics Bearing and pullout capacity Capacity verification through torque Axial load testing, reliability, and sizing Expansive soil and lateral load resistance Corrosion and life expectancy Foundation, earth retention, and underpinning systems Foundation economics Select proprietary systems IBC and NYC Building codes Covering such issues of concern as environmental sustainability, Helical Piles provides contractors and engineers as well as students in civil engineering with a practical, real-world guide to the design and installation of helical piles.

The Application of Stress-wave Theory to Piles

The Application of Stress-wave Theory to Piles PDF Author: Jaime Alberto dos Santos
Publisher: IOS Press
ISBN: 9781586039097
Category : Science
Languages : en
Pages : 772

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Book Description
"This volume contains 101 papers presented at the 8th International Conference on the Application of Stress Wave Theory to Piles, held in Lisbon, Portugal in 2008." "It is divided in 14 chapters according to the conference themes: Wave mechanics applied to pile engineering; Relationship between static resistance to driving and long-term static soil resistance; Case histories involving measurementand analysis of stress waves; Dynamic monitoring of driven piles; Dynamic soil-pile interaction models - numerical and physical modeling; High-strain dynamic test; Low-strain dynamic test; Rapid-load test; Monitoring and analysis of vibratory driven piles; Correlation of dynamic and static load tests; Quality assurance of deep foundations using dynamic methods; Incorporation of dynamic testing into design codes and testing standards; Ground vibrations induced by pile motions; Dynamic measurements in ground field testing." "This conference aims to contribute to a better and more efficient professional interaction between specialized contractors, designers and academicians. By joining the contribution of all of them it was possible to elucidate the today's state-of-the-art in science, technology and practice in the application of stress wave theory to piles."--BOOK JACKET.

Screw Piles - Installation and Design in Stiff Clay

Screw Piles - Installation and Design in Stiff Clay PDF Author: A.E. Holeyman
Publisher: CRC Press
ISBN: 100015114X
Category : Technology & Engineering
Languages : en
Pages : 348

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Book Description
This volume provides a snapshot of the current thinking and development perspectives on the installation and design of screw piles within the framework of Eurocode 7. The material included provides background on the various aspects of screw piles, with particular reference to stiff clays: 1. Exptensive description of a multi-million Euros research program on the loading behaviour of screw piles; 2. Geological and geotechnical characterization of Boom clay, and overview of screw pile testing over the last 30 years; 3. Results of the various load tests recently performed on 30 piles: static, dynamic, statnamic, and integrity and outcome of an international prediction event; 4. Tentative translation of the current body of knowledge in terms of potential application rules to be soon ascenrtained at the national level, as required by Eurocode 7. The remarkable aspects of the soil displacement piles covered in this book is an exceptionally low variability of geotechnical parameters,installation performance, and pile capacity calculations.