Comparison Of Vibration Test Results For A Model And Prototype Gravity Dam
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| Author | : C. Dean Norman |
| Publisher | : |
| Total Pages | : 54 |
| Release | : 1981 |
| Genre | : Concrete dams |
| ISBN | : |
A 1:60-scale model of the Pine Flat concrete gravity dam was constructed and subjected to steady state forced vibration tests. Natural frequencies, mode shapes, damping, and hydrodynamic pressures were measured during these tests. These results were compared with similar results obtained in the prototype test program previously conducted. Also two-dimensional and three-dimensional finite element analyses were performed to obtain analytical values for natural frequencies and mode shapes. Model and prototype test results compared favorably with those from the three-dimensional finite element analyses. The reservoir was observed to have little effect on the natural frequencies and mode shapes of the model dam. Furthermore, it was concluded that the dynamic characteristics of the continuous three-dimensional model compared favorably with those of the prototype which was constructed in monoliths. (Author).
| Author | : |
| Publisher | : |
| Total Pages | : 914 |
| Release | : 1965 |
| Genre | : Science |
| ISBN | : |
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 154 |
| Release | : 1991-02-01 |
| Genre | : Technology & Engineering |
| ISBN | : 0309043360 |
The hazard posed by large dams has long been known. Although no concrete dam has failed as a result of earthquake activity, there have been instances of significant damage. Concerns about the seismic safety of concrete dams have been growing recently because the population at risk in locations downstream of major dams continues to expand and because the seismic design concepts in use at the time most existing dams were built were inadequate. In this book, the committee evaluates current knowledge about the earthquake performance of concrete dams, including procedures for investigating the seismic safety of such structures. Earthquake Engineering for Concrete Dams specifically informs researchers about state-of-the-art earthquake analysis of concrete dams and identifies subject areas where additional knowledge is needed.
| Author | : U.S. Army Engineer Waterways Experiment Station |
| Publisher | : |
| Total Pages | : 408 |
| Release | : 1993 |
| Genre | : Coastal engineering |
| ISBN | : |
| Author | : Gaohui Wang |
| Publisher | : Springer Nature |
| Total Pages | : 281 |
| Release | : 2020-07-10 |
| Genre | : Technology & Engineering |
| ISBN | : 981156194X |
This book evaluates the seismic performance of concrete gravity dams, considering the effects of strong motion duration, mainshock-aftershock seismic sequence, and near-fault ground motion. It employs both the extended finite element method (XFEM) and concrete damaged plasticity (CDP) models to characterize the mechanical behavior of concrete gravity dams under strong ground motions, including the dam-reservoir-foundation interaction. In addition, it discusses the effects of the initial crack, earthquake direction, and cross-stream seismic excitation on the nonlinear dynamic response to strong ground motions, and on the damage-cracking risk of concrete gravity dams. This book provides a theoretical basis for the seismic performance evaluation of high dams, and can also be used as a reference resource for researchers and graduate students engaged in the seismic design of high dams.
| Author | : |
| Publisher | : |
| Total Pages | : 748 |
| Release | : 1985 |
| Genre | : Shock (Mechanics) |
| ISBN | : |
| Author | : Jean-Jacques Fry |
| Publisher | : CRC Press |
| Total Pages | : 658 |
| Release | : 2018-06-27 |
| Genre | : Technology & Engineering |
| ISBN | : 0429957084 |
Validation of Dynamic Analyses of Dams and Their Equipment is the outcome of a three year cooperation program between CFBR (Comite Francais des Barrages et Reservoirs or French Committee on Large dams) and JCOLD (Japan Commission on Large Dams), and focusses on the dynamic behavior of concrete and embankment dams analyzed based on acceleration records of the JCOLD data base. The book covers a broad range of topics, including simplified and detailed methods of dynamic analysis for the seismic response of concrete and embankment dams compared with measured behavior. The response of embankment dams subjected to a 1.0 g foundation acceleration time history is computed by several analytical methods and compared. The modelling of stress-strain behavior of compacted soils for seismic stability analysis of earth-fill dams and its application for a failed earthfill dam is described. The cracking of the face slab of four faced rockfill dams during earthquakes is analyzed. The seismic behavior of concrete arch dams is discussed by the comparison of numerical and experimental results. Displacement-based seismic assessment of concrete dams is presented. Finally the book contains a comparison between the Japanese and French design criteria of gates and a comparison of the analysis of gates and field measurements. Validation of Dynamic Analyses of Dams and Their Equipment will be useful to professional and academics involved or interested in dam engineering.
| Author | : |
| Publisher | : |
| Total Pages | : 650 |
| Release | : 1994 |
| Genre | : Buildings |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 726 |
| Release | : 1985 |
| Genre | : Modal analysis |
| ISBN | : |
| Author | : Robert Barthorpe |
| Publisher | : Springer |
| Total Pages | : 303 |
| Release | : 2018-07-30 |
| Genre | : Technology & Engineering |
| ISBN | : 3319747932 |
Model Validation and Uncertainty Quantification, Volume 3: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics, 2018, the third volume of nine from the Conference brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Model Validation and Uncertainty Quantification, including papers on: Uncertainty Quantification in Material Models Uncertainty Propagation in Structural Dynamics Practical Applications of MVUQ Advances in Model Validation & Uncertainty Quantification: Model Updating Model Validation & Uncertainty Quantification: Industrial Applications Controlling Uncertainty Uncertainty in Early Stage Design Modeling of Musical Instruments Overview of Model Validation and Uncertainty
