Manual For Non Destructive Testing And Evaluation Of Drilled Shafts PDF Download
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Author | : Deep Foundations Institute. Drilled Shaft Committee |
Publisher | : |
Total Pages | : 88 |
Release | : 2004 |
Genre | : Caissons |
ISBN | : |
Download Manual for Non Destructive Testing and Evaluation of Drilled Shafts Book in PDF, ePub and Kindle
Author | : Alireza Kordjazi |
Publisher | : |
Total Pages | : 301 |
Release | : 2019 |
Genre | : |
ISBN | : |
Download Novel Application of Nondestructive Testing to Evaluate Anomalous Conditions in Drilled Shafts and the Geologic Materials Underlying Their Excavations Book in PDF, ePub and Kindle
Drilled shafts are deep foundation elements created by excavating cylindrical shafts into the ground and filling them with concrete. Given the types of structures they support, failure to meet their performance criteria can jeopardize public safety and cause severe financial losses. Consequently, quality control measures are warranted to ensure these foundations meet design specifications, particularly with respect to their structural integrity and geotechnical capacity. Due to their inaccessibility, non-destructive testing (NDT) techniques have received much attention for drilled shaft quality control. However, there are limitations in the NDT tools currently used for structural integrity testing. Moreover, there is no current NDT tool to evaluate conditions underlying drilled shaft excavations and aid in verifying geotechnical capacity. The main objective of this research is to examine the development of new NDT methodologies to address some of the limitations in the inspection of drilled shaft structural integrity and geotechnical conditions underlying their excavations. The use of stress waves in large laboratory models is first examined to evaluate the performance of ray-based techniques for detecting anomalies. The study then continues to investigate the improvements offered by using a full waveform inversion (FWI) approach to analyze the stress wave data. A hybrid, multi-scale FWI workflow is recommended to increase the chance of the convergence of the inversion algorithms. Additionally, the benefits of a multi-parameter FWI are discussed. Since FWI is computationally expensive, a sequential optimal experimental design (SOED) analysis is proposed to determine the optimal hardware configurations for each application. The resulting benefit-cost curves from this analysis allow for designing an NDT survey that matches the available resources for the project.
Author | : Jaime Alberto dos Santos |
Publisher | : IOS Press |
Total Pages | : 772 |
Release | : 2008 |
Genre | : Science |
ISBN | : 9781586039097 |
Download The Application of Stress-wave Theory to Piles Book in PDF, ePub and Kindle
"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 | : Lymon C. Reese |
Publisher | : |
Total Pages | : 152 |
Release | : 1977 |
Genre | : Shafts (Excavations) |
ISBN | : |
Download Drilled Shaft Manual: Construction procedures and design for axial loading Book in PDF, ePub and Kindle
Drilled shafts have been used on a limited scale for many years as an alternative to driven piles in a variety of foundation problems. However, uncertainty about the behavior of the drilled shaft has forestalled widespread adoption. The subject package, by Dr. Lymon C. Reese of the University of Texas, is intended for use by bridge engineers, geotechnical engineers, and builders of pile foundations. The manual contains rational procedures and practical guidelines for the design and construction of drilled shaft foundations. Volume I presents a rational design procedure for drilled shafts under axial loading and includes guidelines on construction methods, inspection, load testing, specifications, and cost estimates. Volume II presents alternative methods for computing the response of the shaft to lateral loading and presents the structural design of the shaft for axial and/or lateral loading.
Author | : Lymon C. Reese |
Publisher | : |
Total Pages | : 152 |
Release | : 1977 |
Genre | : |
ISBN | : |
Download Drilled Shaft Design and Construction Guidelines Manual Book in PDF, ePub and Kindle
Author | : Michael W. O'Neill |
Publisher | : |
Total Pages | : |
Release | : 1999 |
Genre | : Foundations |
ISBN | : |
Download Drilled Shafts Book in PDF, ePub and Kindle
Author | : Robert P. Arias |
Publisher | : |
Total Pages | : 306 |
Release | : 1977 |
Genre | : Concrete piling |
ISBN | : |
Download Evaluation of drilled shaft integrity by non-destructive methods Book in PDF, ePub and Kindle
Author | : Lymon C. Reese |
Publisher | : |
Total Pages | : 244 |
Release | : 1977 |
Genre | : Shafts (Excavations) |
ISBN | : |
Download Drilled Shaft Manual: Structural analysis and design for lateral loading by Book in PDF, ePub and Kindle
Drilled shafts have been used on a limited scale for many years as an alternative to driven piles in a variety of foundation problems. However, uncertainty about the behavior of the drilled shaft has forestalled widespread adoption. The subject package, by Dr. Lymon C. Reese of the University of Texas, is intended for use by bridge engineers, geotechnical engineers, and builders of pile foundations. The manual contains rational procedures and practical guidelines for the design and construction of drilled shaft foundations. Volume I presents a rational design procedure for drilled shafts under axial loading and includes guidelines on construction methods, inspection, load testing, specifications, and cost estimates. Volume II presents alternative methods for computing the response of the shaft to lateral loading and presents the structural design of the shaft for axial and/or lateral loading.
Author | : Lymon C. Reese |
Publisher | : |
Total Pages | : 152 |
Release | : 1977 |
Genre | : Boring |
ISBN | : |
Download Drilled Shaft Design and Construction Guidelines Manual: Construction procedures and design for axial loading Book in PDF, ePub and Kindle
Author | : Lymon C. Reese |
Publisher | : |
Total Pages | : 246 |
Release | : 1977 |
Genre | : Bridges |
ISBN | : |
Download Drilled Shaft Design and Construction Guidelines Manual: Reese, L. C., and Allen, J. D., Structural analysis and design for lateral loading Book in PDF, ePub and Kindle