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New Wave Equation Technique For High Strain Impact Testing Of Driven Piles
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Book Synopsis New Wave Equation Technique for High Strain Impact Testing of Driven Piles by : RY. Liang
Download or read book New Wave Equation Technique for High Strain Impact Testing of Driven Piles written by RY. Liang and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The real time records of force and velocity measured at the pile head during each hammer impact constitute the so-called high strain test (HST) data in the modern wave equation technology in connection with pile-driving activities. Currently, the Case method and the CAPWAP match procedure represent the state-of-art in interpreting HST data to obtain useful information, such as bearing capacity of a pile, soil-pile interaction model parameters, and the hammer performance, etc. A new HST data interpretation procedure based on wave equation theories is developed in this paper. For the case where only toe resistance exists, the new method utilizes both force and velocity records to analytically compute the corresponding dynamic soil resistance at the toe of an impact-driven pile. An inverse optimization scheme is developed to use these analytically computed quantities to determine the pertinent soil-pile interaction model parameters. Examples are given to illustrate the use of the new method to determine the pertinent Smith model constants commonly used in modeling the dynamic soil-pile interactions. The developed algorithm is also successfully extended to the case in which both shaft and toe resistances are involved during pile driving.
Book Synopsis Discussion of "New Wave Equation Technique for High Strain Impact Testing of Driven Piles" By Robert Y. Liang by : F. Rausche
Download or read book Discussion of "New Wave Equation Technique for High Strain Impact Testing of Driven Piles" By Robert Y. Liang written by F. Rausche and published by . This book was released on 2005 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Developing Production Pile Driving Criteria from Test Pile Data by : Dan A. Brown
Download or read book Developing Production Pile Driving Criteria from Test Pile Data written by Dan A. Brown and published by Transportation Research Board. This book was released on 2011 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 418: Developing Production Pile Driving Criteria from Test Pile Data provides information on the current practices used by state transportation agencies to develop pile driving criteria, with special attention paid to the use of test pile data in the process.
Book Synopsis Dynamic Pile Testing Technology by : Robert Y. Liang
Download or read book Dynamic Pile Testing Technology written by Robert Y. Liang and published by . This book was released on 2007 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Driven piles are widely used as foundations to support buildings, bridges, and other structures. In 2007, AASHTO has adopted LRFD method for foundation design. The probability based LRFD approach affords the mathematical framework from which significant improvements on the design and quality control of driven piles can be achieved. In this research, reliability-based quality control criteria for driven piles are developed based on the framework of acceptance-sampling analysis for both static and dynamic test methods with the lognormal distribution characteristics. As a result, an optimum approach is suggested for the number of load tests and the required measured capacities for quality control of driven piles. Furthermore, this research has compiled a large database of pile set-up, from which the reliability-based approach of FORM is employed to develop separate resistance factors for the measured reference (initial) capacity and predicted set-up capacity. This report also provides a Bayesian theory based approach to allow for combining the information from the static pile capacity calculation and dynamic pile testing data to improve pile design process. Specifically, the results from dynamic pile tests can be utilized to reduce the uncertainties associated with static analysis methods of pile capacity by updating the corresponding resistance factors. This research has also developed one-dimensional wave equation based algorithm to interpret the High Strain Testing (HST) data for the estimation of the shaft and toe resistance of driven piles. The closed form solution is obtained for determining the Smith damping factor and the static soil resistance. Finally, a set of new wireless dynamic testing equipment (both hardware and software) is developed for more efficient dynamic pile testing.
Book Synopsis Wave Equation Analysis of Pile Driving: User's manual by : George G. Goble
Download or read book Wave Equation Analysis of Pile Driving: User's manual written by George G. Goble and published by . This book was released on 1981 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Measurement of Pile Driving Forces and Its Application to Wave Equation Analysis of Piles by : Francis X. Kaiser
Download or read book The Measurement of Pile Driving Forces and Its Application to Wave Equation Analysis of Piles written by Francis X. Kaiser and published by . This book was released on 1975 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Michael W. O'Neill Publisher :Transportation Research Board National Research ISBN 13 : Total Pages :68 pages Book Rating :4.3/5 (555 download)
Book Synopsis Laboratory Evaluation of Piles Installed with Vibratory Drivers by : Michael W. O'Neill
Download or read book Laboratory Evaluation of Piles Installed with Vibratory Drivers written by Michael W. O'Neill and published by Transportation Research Board National Research. This book was released on 1989 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Simplified Method for the Wave Equation Analysis of Pile Driving by : Siew Ann Tan
Download or read book A Simplified Method for the Wave Equation Analysis of Pile Driving written by Siew Ann Tan and published by . This book was released on 1985 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Application of Stress-wave Theory to Piles by : Jaime Alberto dos Santos
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.
Book Synopsis Foundation Engineering Handbook by : Hsai-Yang Fang
Download or read book Foundation Engineering Handbook written by Hsai-Yang Fang and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 935 pages. Available in PDF, EPUB and Kindle. Book excerpt: More than ten years have passed since the first edition was published. During that period there have been a substantial number of changes in geotechnical engineering, especially in the applications of foundation engineering. As the world population increases, more land is needed and many soil deposits previously deemed unsuitable for residential housing or other construction projects are now being used. Such areas include problematic soil regions, mining subsidence areas, and sanitary landfills. To overcome the problems associated with these natural or man-made soil deposits, new and improved methods of analysis, design, and implementation are needed in foundation construction. As society develops and living standards rise, tall buildings, transportation facilities, and industrial complexes are increasingly being built. Because of the heavy design loads and the complicated environments, the traditional design concepts, construction materials, methods, and equipment also need improvement. Further, recent energy and material shortages have caused additional burdens on the engineering profession and brought about the need to seek alternative or cost-saving methods for foundation design and construction.
Book Synopsis Application of Stress-wave Theory to Piles by : Frans B. J. Barends
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.
Book Synopsis Full-scale Testing and Foundation Design by : Mohamad H. Hussein
Download or read book Full-scale Testing and Foundation Design written by Mohamad H. Hussein and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Application of Stress-Wave Theory to Piles: Quality Assurance on Land and Offshore Piling by : J. Beim
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.
Book Synopsis Transport and Main Roads Specifications by :
Download or read book Transport and Main Roads Specifications written by and published by . This book was released on 2016 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Technical Specification applies to high strain dynamic testing of driven piles (driven using either MRTS65 or MRTS66) using wave equation analysis techniques. Dynamic testing of all test piles and at least one pile per pier and abutment and at least 10% of all driven piles is required in Transport and Main Roads Specifications MRTS65 Precast Prestressed Concrete Piles and MRTS66 Driven Steel Piles. Dynamic testing may also be used in the following situations: a) to determine the load capacity of a pile and determine its condition b) obtain the history of a pile's capacity in difficult conditions in order to determine the driving limit for subsequent piles, and c) to facilitate the advanced analysis of PM monitoring of pile driving.
Book Synopsis Foundation Engineering by : Ralph B. Peck
Download or read book Foundation Engineering written by Ralph B. Peck and published by John Wiley & Sons. This book was released on 1991-01-16 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers properties of subsurface materials, types of foundations and methods of construction, selection of foundation type and basis for design, and design of foundations and earth-retaining structures.
Book Synopsis Coal and rock dynamic disasters: Advances of physical and numerical simulation in monitoring, early warning, and prevention by : Xuelong Li
Download or read book Coal and rock dynamic disasters: Advances of physical and numerical simulation in monitoring, early warning, and prevention written by Xuelong Li and published by Frontiers Media SA. This book was released on 2024-06-03 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the soaring growth of global population and socioeconomy, energy consumption and demand has been rapidly rising, and coal would still remain a fundamental energy source for a long time into the future. Seeking deep coal resources becomes an inevitable trend due to the depletion of shallow coal resources. Deep mining of coal resources promotes socioeconomic development, whereas bringing a variety of security challenges. In deep underground, there is a significant risk increase in coal and rock dynamic disasters (CRDDs), owing to the changes in physical and mechanical properties of coal and rock. In this regard, it is of great importance and necessity to prevent and control CRDDs effectively and efficiently. As typical natural geological materials, coal and rock have evident inhomogeneity and anisotropy, and manifest differences in strength, deformation, permeability, and other mechanical characteristics due to their various mineral compositions, porosity, and weak structural plane. Considering the complexity of coal and rock, it is essential to carry out laboratory experiments on macroscopic mechanical responses and microscopic fracture characteristics to identify precursor information and reveal evolution mechanisms of dynamic disasters. Yet by far less is known about the combined physical and numerical simulation on multi-scale CRDDs, which hinders the development of corresponding prevention and control technologies. This Research Topic aims to initiate a global scientific and technological discussion on the cutting-edge advances of physical and numerical simulation in monitoring, early warning, and prevention of CRDDs. We welcome Original Research and Review articles addressing the following themes that include, but are not limited to: • Physical and numerical simulation on mechanisms of CRDDs • Numerical simulation on prediction of CRDDs • Numerical simulation on prevention and control of CRDDs collapse
Book Synopsis ICE Manual of Geotechnical Engineering Volume 2 by : Tim Chapman
Download or read book ICE Manual of Geotechnical Engineering Volume 2 written by Tim Chapman and published by Emerald Group Publishing. This book was released on 2023-11-17 with total page 953 pages. Available in PDF, EPUB and Kindle. Book excerpt: ICE Manual of Geotechnical Engineering, Second edition brings together an exceptional breadth of material to provide a definitive reference on geotechnical engineering solutions. Written and edited by leading specialists, each chapter provides contemporary guidance and best practice knowledge for civil and structural engineers in the field.
