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Author: Rodrigo Salgado Publisher: ISBN: 9781622604791 Category : Languages : en Pages :
Book Description
Driven piles are commonly used in foundation engineering. The most accurate measurement of pile capacity is achieved from measurements made during static load tests. Static load tests, however, may be too expensive for certain projects. In these cases, indirect estimates of the pile capacity can be made through dynamic measurements. These estimates can be performed either through pile driving formulae or through analytical methods, such as the Case method.Pile driving formulae, which relate the pile set per blow to the capacity of the pile, are frequently used to determine whether the pile has achieved its design capacity. However, existing formulae have numerous shortcomings. These formulae are based on empirical observations and lack scientific validation. This report details the development of more accurate and reliable pile driving formulae developed from advanced one-dimensional FE simulations. These formulae are derived for piles installed in five typical soil profiles: a floating pile in sand, an end¿bearing pile in sand, a floating pile in clay, an end¿bearing pile in clay and a pile crossing a normally consolidated clay layer and resting on a dense sand layer. The proposed driving formulae are validated through well-documented case histories of full-scale instrumented driven piles. The proposed formulae are more accurate and reliable on average than other existing methods for the case histories considered in this study.This report also discusses the development of a pile driving control system, a fully integrated system developed by Purdue that can be used to collect, process, and analyze data to estimate the capacities of piles using the Case method and the pile driving formulae developed at Purdue.
Author: Rodrigo Salgado Publisher: ISBN: 9781622604791 Category : Languages : en Pages :
Book Description
Driven piles are commonly used in foundation engineering. The most accurate measurement of pile capacity is achieved from measurements made during static load tests. Static load tests, however, may be too expensive for certain projects. In these cases, indirect estimates of the pile capacity can be made through dynamic measurements. These estimates can be performed either through pile driving formulae or through analytical methods, such as the Case method.Pile driving formulae, which relate the pile set per blow to the capacity of the pile, are frequently used to determine whether the pile has achieved its design capacity. However, existing formulae have numerous shortcomings. These formulae are based on empirical observations and lack scientific validation. This report details the development of more accurate and reliable pile driving formulae developed from advanced one-dimensional FE simulations. These formulae are derived for piles installed in five typical soil profiles: a floating pile in sand, an end¿bearing pile in sand, a floating pile in clay, an end¿bearing pile in clay and a pile crossing a normally consolidated clay layer and resting on a dense sand layer. The proposed driving formulae are validated through well-documented case histories of full-scale instrumented driven piles. The proposed formulae are more accurate and reliable on average than other existing methods for the case histories considered in this study.This report also discusses the development of a pile driving control system, a fully integrated system developed by Purdue that can be used to collect, process, and analyze data to estimate the capacities of piles using the Case method and the pile driving formulae developed at Purdue.
Author: Mohamad H. Hussein Publisher: ISBN: 9780784412084 Category : Foundations Languages : en Pages : 0
Book Description
GSP 227 contains 51 papers on the use of full-scale testing to enhance the design of foundations presented in honor of Bengt H. Fellenius.
Author: Jaime Alberto dos Santos Publisher: IOS Press ISBN: 9781586039097 Category : Science Languages : en Pages : 772
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.
Author: Bengt Fellenius Publisher: Lulu.com ISBN: 1365824004 Category : Technology & Engineering Languages : en Pages : 488
Book Description
The "Red Book" presents a background to conventional foundation analysis and design. The text is not intended to replace the much more comprehensive 'standard' textbooks, but rather to support and augment these in a few important areas, supplying methods applicable to practical cases handled daily by practising engineers and providing the basic soil mechanics background to those methods. It concentrates on the static design for stationary foundation conditions. Although the topic is far from exhaustively treated, it does intend to present most of the basic material needed for a practising engineer involved in routine geotechnical design, as well as provide the tools for an engineering student to approach and solve common geotechnical design problems.
Author: Hassan Zaghloul Publisher: Universal-Publishers ISBN: 1599423979 Category : Languages : en Pages : 592
Book Description
The Arabian Gulf oil and gas production reserves have made it one of the world's strategic producers since the early 1960s, with many of the existing platforms stretched beyond their original design life. Advances in drilling technology and reservoir assessments have extended the requirement for the service life of those existing platforms even further. Extension of the life span of an existing platform requires satisfactory reassessment of its various structural components, including piled foundations. The American Petroleum Institute Recommended Practice 2A (API RP2A) is commonly used in the Arabian Gulf for reassessment of existing platforms. The API guidelines have been developed for conditions in the Gulf of Mexico, the waters off Alaska and the Pacific and Atlantic seaboards of the USA. However, the Arabian Gulf conditions are fundamentally different to those encountered in US waters. Hence, there is a need to develop guidelines for reassessment of existing offshore structures to account for the specific conditions of the Arabian Gulf. This thesis performs statistical analyses on databases collected during this research from existing platforms to calibrate relevant load and resistance factors for the required guidelines. The developed guidelines are based on established approaches used in developing international codes and standards such as API RP2A-LRFD. The outcome of this research revolves around the following three main issues: 1. Calibration of resistance factors for axial capacity of piles driven in the carbonate soils 2. Development of open area live loads (OALL) on offshore platforms 3. Effect of extreme storm conditions on the reliability of existing platforms in the Arabian Gulf The outcomes of this research are expected to have a profound influence onreassessment of existing platforms in the Arabian Gulf.
Author: J. Beim Publisher: CRC Press ISBN: 1482283751 Category : Technology & Engineering Languages : en Pages : 791
Book Description
This work collates the topics discussed in the sixth International Conference on land and offshore piling. It covers topics such as: wave mechanics and its application to pile mechanics; driving equipment and developments; and pile integrity and low strain dynamic testing.
Author: Ken Fleming Publisher: CRC Press ISBN: 0203937643 Category : Technology & Engineering Languages : en Pages : 407
Book Description
Piling is a fast moving field and recent years have seen major advances in theory, methods, testing procedures and equipment. Some of these changes have been driven by the need for economies and efficiency, reduced spoil production and new methods of pile bore support. Advances in theoretical analyses allow pile design to be refined so that piles and pile groups perform to better advantage. This third edition of the well established book has been comprehensively updated. It provides an accessible and well-illustrated account of design techniques, methods of testing and analysis of piles, with a marked emphasis on practice but with design methods that incorporate the most recent advances in piling theory. Piling Engineering is written for geotechnical engineers, consultants and foundation contractors. It is also a useful reference for academics and advanced students on courses in piling, practical site investigation and foundation design and construction.
Author: C. N. V. Satyanarayana Reddy Publisher: Springer Nature ISBN: 9811622604 Category : Science Languages : en Pages : 457
Book Description
This book comprises select proceedings of the Indian Geotechnical Conference 2020 (IGC2020) focusing on emerging opportunities and challenges in the field of transportation geotechnics, scour and erosion, offshore geotechnics, and environmental geotechnology. The contents will be useful to researchers, educators, practitioners and policy makers alike.
Author: Rodrigo Salgado
Author: Rodrigo Salgado
Author: Mohamad H. Hussein
Author: Jaime Alberto dos Santos
Author: Bengt Fellenius
Author: J. B. Burland
Author: Jerry A. DiMaggio
Author: Hassan Zaghloul
Author: J. Beim
Author: Ken Fleming
Author: C. N. V. Satyanarayana Reddy