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Author : Mohab Sabry
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book Insitu Stresses and Capacity of Driven Piles in Sand written by Mohab Sabry and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Magued Iskander
Publisher : Springer
ISBN 13 : 9783642131073
Total Pages : 269 pages
Book Rating : 4.1/5 (31 download)
Download or read book Behavior of Pipe Piles in Sand written by Magued Iskander and published by Springer. This book was released on 2011-01-14 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the major difficulties in predicting the capacity of pipe piles in sand has resulted from a lack of understanding of the physical processes that control the behavior of piles during installation and loading. This monograph presents a detailed blue print for developing experimental facilities necessary to identify these processes. These facilities include a unique instrumented double-walled pipe-pile that is used to delineate the frictional stresses acting against the external and internal surfaces of the pile. The pile is fitted with miniature pore-pressure transducers to monitor the generation of pore water pressure during installation and loading. A fast automatic laboratory pile hammer capable of representing the phenomena that occur during pile driving was also developed and used.
Author : Reno Reine Castello
Publisher :
ISBN 13 :
Total Pages : 278 pages
Book Rating : 4.:/5 (167 download)
Download or read book Bearing Capacity of Driven Piles in Sand written by Reno Reine Castello and published by . This book was released on 1979 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Saif I. Alzabeebee
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659517808
Total Pages : 148 pages
Book Rating : 4.5/5 (178 download)
Download or read book Effect of Stress Level of Surrounding Soil on Pile Capacity in Sand written by Saif I. Alzabeebee and published by LAP Lambert Academic Publishing. This book was released on 2014-01-26 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reduction of angle of internal friction with increasing stress level of sandy soil is widely recognized and noticed by many researchers. There are limited studies on the effect of this reduction on bearing capacity of piles. This book presents a study of the effect of this reduction on axially loaded bored piles embedded in dense and medium sand by using finite element approach. The soil modeled using a hyperbolic soil model with an empirical equation to account for the reduction of angle of internal friction with increasing stress level while the concrete bored pile modeled as a linear elastic material. Investigating the effect of the stress level on behavior of piles, bearing capacity factor Nq, and distribution of shear stresses in soil-pile interface along the pile shaft were made during this work by pass through a wide range of stresses by using piles with dimensions starting from laboratory dimensions and goes towards field dimensions with an embedment ratio L/D range (15, 20, 25, 30, and 40). Also, two models to estimate pile capacity in medium and dense sand are developed in this work using statistical techniques based on finite element analysis results.
Author : Fabrizio Di Camillo
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (19 download)
Download or read book Effects of Stress History of Sand on the Shaft Resistance of Large Displacement Piles written by Fabrizio Di Camillo and published by . This book was released on 2014 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation on the coefficient of earth pressure of overconsolidated cohesionless soil developed around displacement piles was conducted. An instrumented prototype set-up and model pile was developed in the laboratory. The set-up was capable of measuring the total load, the shaft resistance acting on the pile and the overconsolidation ratio in the sand mass. Overconsolidated sand was prepared by placing the sand in the testing tank in layers, each subjected to a predetermined compaction effort. The stresses in the sand mass were measured by means of pressure transducer units placed in selected locations in the testing tank. The model piles were driven into the sand mass to a selected depth. Pile load tests were conducted at a constant rate of penetration at different depths. The pile capacity was determined from load-displacement curves. The shaft resistance and, hence, the coefficient of earth pressure around the pile were determined. The results showed that the coefficient of earth pressure is heavily dependent on the stress history of the sand mass. A theoretical model was developed to incorporate the effects of overconsolidation of the sand on the shaft resistance of driven piles in cohesionless soils.
Author : J. Beim
Publisher : CRC Press
ISBN 13 : 1482283751
Total Pages : 791 pages
Book Rating : 4.4/5 (822 download)
Download or read book Application of Stress-Wave Theory to Piles: Quality Assurance on Land and Offshore Piling written by J. Beim and published by CRC Press. This book was released on 2000-01-01 with total page 791 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Richard Jardine
Publisher : Thomas Telford Limited
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3/5 (91 download)
Download or read book ICP Design Methods for Driven Piles in Sands and Clays written by Richard Jardine and published by Thomas Telford Limited. This book was released on 2005 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Broadening the recommendations published by Jardine and Chow in 1996, this volume provides procedures that can be applied by geotechnical engineers, supported by worked examples for sands and clays. It also offers guidance on application to a range of pile types, geotechnical profiles and loading conditions.
Author : Ahmad Amr Darrag
Publisher :
ISBN 13 :
Total Pages : 397 pages
Book Rating : 4.:/5 (831 download)
Download or read book Capacity of Driven Piles in Cohesionless Soils Including Residual Stresses written by Ahmad Amr Darrag and published by . This book was released on 1987 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : AS. Alawneh
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (125 download)
Download or read book Estimation of Post-Driving Residual Stresses Along Driven Piles in Sand written by AS. Alawneh and published by . This book was released on 2000 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on both field data collected from engineering literature and measurements made using model piles, a correlation for the residual pressure at the pile tip point is presented. The resulting correlation suggested that pile flexibility is a key parameter controlling the magnitude of the residual point pressure, qres. The calculated residual point pressure values for the database piles using the developed correlation were compared with the measured values and with those calculated using Briaud and Tucker's (1984) method. The comparison indicated that predictions made using the proposed method were closer to the measurements than those obtained using Briaud and Tucker's (1984) method.
Author : Marie-Agnès Allard
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (24 download)
Download or read book Soil Stress Field Around Driven Piles written by Marie-Agnès Allard and published by . This book was released on 1990 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xiangtao Xu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (271 download)
Download or read book Investigation of the End Bearing Performance of Displacement Piles in Sand written by Xiangtao Xu and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: [Truncated abstract] The axial performance of piles in sand remains an area of great uncertainty in geotechnical engineering. Over the years, database studies have shown that the existing method for offshore piles (e.g. API 2000) is unreliable. There is therefore a clear need for an improved predictive method, which incorporates the state-ofthe- art understanding of the underlying controlling mechanisms. This Thesis is dedicated to address the factors influencing the end bearing performance of displacement piles in siliceous sand with a view to proposing and justifying an improved design formulation. Firstly, a database of displacement pile load tests in sand with CPT data was compiled in collaboration with James Schneider (Schneider 2007). It features the widest database with also the latest available pile load test data (e.g. Euripides, Ras Tanajib, Drammen etc) in electronic form. Evaluation of the three new CPTbased methods (Fugro-05, ICP-05 & NGI-05) against this database has revealed a broadly similar predictive performance despite their end bearing formulations being remarkably different. This anomaly promoted the author to extend the database to include additional tests with base capacity measurements to form new base capacity databases for driven and jacked piles, which resulted in the UWA- 05 method for end bearing of displacement piles in sand. This method accounts for the pile effective area ratio, differentiates between driven and jacked piles, and employs a rational qc averaging technique. ... Field tests were performed in Shenton Park, Perth to supplement the database study and, in particular, to examine the effect of the incremental filling ratio (IFR). 10 open-ended and 2 closed-ended piles were tested in compression followed by tension. The test results provide strong support for the UWA-05 method for base capacity evaluation employing the CPT qc values and the effective area ratio. A series of jacked pile tests was carried out on the UWA beam centrifuge, to further explore the factors affecting pile base response. In total, four uniform and four layered centrifuge samples were prepared and tested at various stress levels and relative densities using three separate pile diameters. The resistance ratio (qb0.1/qc,avg) is found to be independent of the absolute pile diameter, effective stress and soil relative density. The tests in layered soil enabled quantification of the reduction in penetration resistance when a pile/cone approaches a weak layer and revealed the significant influence on base stiffness of underlying soft clay layers. The stiffness decay curves (G/GIN vs. w/D, where GIN is initial operational shear stiffness) measured in static load tests were found to vary with ratios of GIN/qc, while there was a unique relationship between G/GIN and qb/qc. A detailed parametric study was carried out (using the FE code PLAXIS) by idealising pile penetration using a spherical cavity expansion analogue in layered soil. The numerical predictions compare well with the centrifuge results and their generalization enabled guidelines to be established for end bearing in layered soil.
Author : H. Brendenberg
Publisher :
ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (125 download)
Download or read book Evaluation of Bearing Capacity of Driven Piles from Stress Wave Measurements written by H. Brendenberg and published by . This book was released on 1986 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: The driving resistance of piles and the bearing capacity can be evaluated by measuring with strain gages and accelerometers attached to the top of the pile both the stress wave that is generated when the hammer strikes the pile and the stress wave that is reflected at the toe and along the sides of the pile. The bearing capacity is, however, affected by the loading rate. This effect is taken into account by a damping factor Jc. It is then assumed that the increase of the bearing capacity is proportional to the particle velocity at the pile point. For piles in clay and silt the stress wave measurements should be carried out during the redriving of the piles a few days or weeks after the initial pile was driven when the excess pore-water pressures have dissipated.
Author : Cesar Ovalles
Publisher : CRC Press
ISBN 13 : 1138001481
Total Pages : 2054 pages
Book Rating : 4.1/5 (38 download)
Download or read book Analytical Methods in Petroleum Upstream Applications written by Cesar Ovalles and published by CRC Press. This book was released on 2015-04-02 with total page 2054 pages. Available in PDF, EPUB and Kindle. Book excerpt: Effective measurement of the composition and properties of petroleum is essential for its exploration, production, and refining; however, new technologies and methodologies are not adequately documented in much of the current literature. Analytical Methods in Petroleum Upstream Applications explores advances in the analytical methods and instrumentation that allow more accurate determination of the components, classes of compounds, properties, and features of petroleum and its fractions. Recognized experts explore a host of topics, including: A petroleum molecular composition continuity model as a context for other analytical measurements A modern modular sampling system for use in the lab or the process area to collect and control samples for subsequent analysis The importance of oil-in-water measurements and monitoring The chemical and physical properties of heavy oils, their fractions, and products from their upgrading Analytical measurements using gas chromatography and nuclear magnetic resonance (NMR) applications Asphaltene and heavy ends analysis Chemometrics and modeling approaches for understanding petroleum composition and properties to improve upstream, midstream, and downstream operations Due to the renaissance of gas and oil production in North America, interest has grown in analytical methods for a wide range of applications. The understanding provided in this text is designed to help chemists, geologists, and chemical and petroleum engineers make more accurate estimates of the crude value to specific refinery configurations, providing insight into optimum development and extraction schemes.
Author : Hai-Sui Yu
Publisher : Springer Science & Business Media
ISBN 13 : 9780412799907
Total Pages : 416 pages
Book Rating : 4.7/5 (999 download)
Download or read book Cavity Expansion Methods in Geomechanics written by Hai-Sui Yu and published by Springer Science & Business Media. This book was released on 2000-09-30 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cavity expansion theory is a simple theory that has found many applications in geotechnical engineering. In particular, it has been used widely to analyse problems relating to deep foundations, in-situ testing, underground excavation and tunnelling, and wellbore instability. Although much research has been carried out in this field, all the major findings are reported in the form of reports and articles published in technical journals and conference proceedings. To facilitate applications and further development of cavity expansion theory, there is a need for the geotechnical community to have a single volume presentation of cavity expansion theory and its applications in solid and rock mechanics. This book is the first attempt to summarize and present, in one volume, the major developments achieved to date in the field of cavity expansion theory and its applications in geomechanics. Audience: Although it is intended primarily as a reference book for civil, mining, and petroleum engineers who are interested in cavity expansion methods, the solutions presented in the book will also be of interest to students and researchers in the fields of applied mechanics and mechanical engineering.
Author : Frans B. J. Barends
Publisher : Taylor & Francis
ISBN 13 : 1351466283
Total Pages : 736 pages
Book Rating : 4.3/5 (514 download)
Download or read book Application of Stress-wave Theory to Piles written by Frans B. J. Barends and published by Taylor & Francis. This book was released on 2022-06-03 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprising 97 papers on Geotechnical & environmental aspects (Pile-soil modelling, vibrations); Dynamic testing (Equipment & data acquisition systems); Performance during installation (Driving equipment, hammer-pile-soil system); Reliability of predictions (Theory versus experiment and simulation). Each part starts with a lecture by invited keynote speakers; followed by a general report on the papers. New themes considered are environmental aspects related to vibration and noise & the reliability of predictions emphasizing the validation of theoretical methods & practical experience.
Author : Jaime Alberto dos Santos
Publisher : IOS Press
ISBN 13 : 9781586039097
Total Pages : 772 pages
Book Rating : 4.0/5 (39 download)
Download or read book The Application of Stress-wave Theory to Piles written by Jaime Alberto dos Santos and published by IOS Press. This book was released on 2008 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt: "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 : Mark Randolph
Publisher : CRC Press
ISBN 13 : 1351988913
Total Pages : 560 pages
Book Rating : 4.3/5 (519 download)
Download or read book Offshore Geotechnical Engineering written by Mark Randolph and published by CRC Press. This book was released on 2017-07-12 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design practice in offshore geotechnical engineering has grown out of onshore practice, but the two application areas have tended to diverge over the last thirty years, driven partly by the scale of the foundation and anchoring elements used offshore, and partly by fundamental differences in construction and installation techniques. As a consequence offshore geotechnical engineering has grown as a speciality. The structure of Offshore Geotechnical Engineering follows a pattern that mimics the flow of a typical offshore project. In the early chapters it provides a brief overview of the marine environment, offshore site investigation techniques and interpretation of soil behaviour. It proceeds to cover geotechnical design of piled foundations, shallow foundations and anchoring systems. Three topics are then covered which require a more multi-disciplinary approach: the design of mobile drilling rigs, pipelines and geohazards. This book serves as a framework for undergraduate and postgraduate courses, and will appeal to professional engineers specialising in the offshore industry.
