This spreadsheet, which I write using Excel VBA, generates Response Spectrum from the recorded EQ data using NEWMARK`S LINEAR ACCELERATION and INTRPOLATION EXITATION METHODS.
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Posted by: rcl1 - 02-11-2013, 07:06 AM - Forum: Archive
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Can anyone help with getting the following paper?:
Astaneh-Asl, A., Bergsma, G., and Shen, J. H. (1992). Behavior and Design of Base Plates for Gravity, Wind and Seismic Loads. Proceedings of the National Steel Construction Conference
I hate to say this, but I have gotten 2 warnings back to back few weeks ago.
It is without saying that the warnings I've received were due to violation of one rule.
At the first time I received, I thought I violated other rule than the one that I did, so I repeated my mistake.
Hence, my suggestion is, when you describe which rule a user violate, use the rule number instead of description. Then, refer to the rule page. Personally, I think it's more logical to direct to the rule page instead of describing what user did wrong.
Author: Several | Size: 3.63 MB | Format:PDF | Quality:Original Preprint | Publisher: Kansas Department of Transportation | Year: Nov, 2011 | pages: 70 | ISBN: none
Soil nail walls are a widely used technology for retaining vertical and nearly vertical cuts in soil. A significant portion of the cost of soil nail wall construction is related to the construction of a reinforced concrete face. The potential for use of a flexible facing design for soil nail walls to replace reinforced concrete facing was evaluated using three-dimensional finite difference modeling and physical testing of a 1.5 meter by 1.5 meter unit cell of a soil nail wall in clay. A steel mesh form of flexible facing was used as a substitute for concrete. The finite difference model predicted large vertical and horizontal deformations for surcharges of approximately 5 psi. In the physical testing, the flexible facing products performed well with regard to strength, but the facing experienced large vertical and horizontal deformations that were consistent with the numerical modeling. Based on these results, it is recommended that use of flexible facing as a substitute for reinforced concrete be limited to non-critical structures where large vertical and horizontal deformations are acceptable.
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Folder Guard® is a powerful computer security program that you can use to control access to files, folders, and other Windows resources, such as Control Panel, Start Menu, and so on. You can use Folder Guard to lock your personal files and folders with passwords, to stop other users from peeking into your records. You can even completely hide your private folders from virtually all applications, and such folders would remain invisible until you enter a valid password. You can also protect sensitive system files from modification or destruction, disable access to the removable drives, restrict access to Control Panel, and more.
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Equivalent Beam Method for Trusses,
Practice Periodical on Structural Design and Construction
Giltner, B. and Kassimali, A. (2000). ”Equivalent Beam Method for Trusses.” Pract. Period. Struct. Des. Constr., 5(2), 70–77.
Elasticity, plasticity, damage mechanics and cracking are all phenomena that determine the resistance of solids to deformation and fracture. The authors of this book discuss a modern method of mathematically modeling the behavior of macroscopic volume elements. The first three chapters review physical mechanisms at the microstructural level, thermodynamics of irreversible processes, mechanics of continuous media, and the classification of the behavior of solids. The rest of the book is devoted to the modeling of different types of material behavior. In each case the authors present characteristic data for numerous materials, and discuss the physics underlying the phenomena together with methods for the numerical analysis of the resulting equations
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This text is intended for the study of fluid mechanics at an intermediate level. The presentation starts with basic concepts, in order to form a sound conceptual structure that can support engineering applications and encourage further learning. The presentation is exact, incorporating both the mathematics involved and the physics needed to understand the various phenomena in fluid mechanics. Where a didactical choice must be made between the two, the physics prevails. Throughout the book the authors have tried to reach a balance between exact presentation, intuitive grasp of new ideas, and creative applications of concepts. This approach is reflected in the examples presented in the text and in the exercises given at the end of each chapter. Subjects treated are hydrostatics, viscous flow, similitude and order of magnitude, creeping flow, potential flow, boundary layer flow, turbulent flow, compressible flow, and non-Newtonian flows. This book is ideal for advanced undergraduate students in mechanical, chemical, aerospace, and civil engineering. Solutions manual available The Field of Fluid Mechanics -- The Continuum -- Local Properties in a Continuum -- Body and Surface Forces -- Stress at a Point -- Definition of a Fluid -- Units and Dimensions -- Dimensional Homogeneity -- Fluid Properties -- Stress in a Fluid -- The Momentum Equations -- Index Notation -- Moments on a Cube -- Forces at a Point on a Plane -- The Elementary Tetrahedron -- Stress in a Fluid at Rest -- Stress in a Moving Fluid -- A Case where the Stress Is Not Constant -- The Stress Tensor -- Transformation of Coordinates--Vectors -- Transformation of Coordinates--Tensors -- Principal Directions -- Identical Principal Stresses--Pascal's Law -- Fluid Statics -- The Equation of Hydrostatics -- Manometers -- Equation of Hydrostatics in Accelerating Frames of Reference -- Forces Acting on Submerged Surfaces -- Force on a Submerged Plane Surface -- Forces on Submerged Surfaces--The General Case -- Hydrostatic Stability -- Fluids in Motion--Integral Analysis -- Thermodynamic Systems and Control Volumes -- Reynolds Transport Theorem -- Control Volume Analysis of Conservation of Mass -- Conservation of Mass under Steady State Conditions -- The Momentum Theorem for a Control Volume -- Other Forces on the Control Volume -- Angular Momentum Theorem for a Control Volume -- Correction Factor for Average Velocity in Momentum Theorem -- Fluids in Motion--Differential Analysis -- Differential Representation -- Streamlines, Stream Sheets and Stream Tubes -- The Material Derivative -- Conservation of Mass--The Equation of Continuity
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This text provides a thorough treatment of the fundamental principles of fluid mechanics and convection heat transfer and shows how to apply the principles to a wide variety of fluid flow problems. The focus is on incompressible viscous flows with special applications to non-Newtonian fluid flows, turbulent flows, and free-forced convection flows. A special feature of the text is its coverage of generalized mass, momentum, and heat transfer equations, Cartesian tensor manipulations, scale analyses, mathematical modeling techniques, and practical solution methods. The final chapter is unique in its case-study approach, applying general modeling principles to analyze nonisothermal flow systems found in a wide range of engineering disciplines. The author provides numerous end-of-chapter problems, solutions, and mathematical aids to enhance the reader's understanding and problem-solving skills
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