In geology, the elasticrebound theory is an explanation for how energy is released during an earthquake as the earths crust deforms, the rocks which span the opposing sides of a fault are subjected to shear stress. Ppt elastic rebound theory powerpoint presentation free. The rebound effect is expressed as a percentage of the forecasted reduction in energy use that is lost due to the sum of consumer and market responses. Ppt elastic rebound theory powerpoint presentation.
The elastic rebound theory is the first theory that describes fault rupture as the source of strong ground shaking. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Elastic rebound theory elastic rebound appears to be the primary mechanism of earthquakes. The elastic rebound theory is the first theory that describes. Modeling of rebound phenomenon of a rigid ball with friction and elastic effects. In geology, the elastic rebound theory was the first theory to satisfactorily explain earthquakes. At some point the stresses become so great that the. Jan 12, 2014 the rocky masses which form the two sides of the fault then snap back into a new position. In a relation r attribute b of r is fully functional dependent on an attribute or set of attribute a of r if b is functional dependent on a but not functional dependent on any proper subset of a. We talk about elastic rebound theory and how it helps explain earthquakes. Dec 08, 2015 first a few examples of energy pumped into a system. The elastic rebound theory is the first theory that. Due to the motion of the earths tectonic plates, the ground beneath our feet is always moving, just too slow and g. Review questons chapter 6 and 7 flashcards quizlet.
These slides discuss where and why aftershocks occur and include animations of aftershock sequences following two m 5 earthquakes in southern california. Reids elastic rebound theory from an examination of the displacement of the ground surface which accompanied the 1906 earthquake, henry fielding reid, professor of geology at johns hopkins university, concluded that the earthquake must have involved an. The above text is excerpted from the wikipedia article elasticrebound theory of earthquakes, which has been released under the gnu free. Elastic rebound in geology, the elastic rebound theory is an explanation for how energy is released during an earthquake.
Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. N theory of elasticity and plasticity pdf download study material of theory of elasticity pdf download. Theory of elasticity timoshenko pdf alzaytoonah university. Book theory of elasticity pdf download theory of elasticity and plasticity book theory of elasticity by timoshenko, s. Theory is consistent with plate tectonics, in fact, it explains how the slow motions of the plates can result in the rapid slip along a fault to produce an earthquake. Since the material composing the earths crust is elastic, and cannot rupture until it is strained beyond its strength, it is evident that an earlier relative displacement of regions on opposite sides of the fault had set up an elastic strain in the intermediate zone, which exceeded the strength of the rock, causing the rupture along the fault to surface. These theorybased models themselves are based on information on the characteristics of the earthquake.
Energy built up when plates try to get past each other is released when plates break free. Daltons atomic theory was 1807 1822 cauchy, stress, nonlinear and linear elasticity for a long time the nonlinear theory was ignoredforgotten. Pdf the rebound effect through industrial ecologys eyes. The following animation shows a birds eye view of a country road that cuts through an orchard. It will resist that forces till it exceeds its capacity and after that, it snaps. Which of the following is an aspect of the elastic rebound theory. Basically elastic rebound is the primary reason earthquakes even happen. At some point the stresses become so great that the earth breaks. Nondestructive testing of concrete methods of test. How is the elastic rebound theory related to earthquakes. Theory of elasticity and plasticity full notes ebook free. Comprised of 20 chapters, this volume begins with a discussion on the formal theory of anelasticity, and then explores the anelastic behavior, which is a.
Elastic rebound theory discovered by analysis of the fault motion and deformation before and during the 1906 san francisco earthquake before plate tectonics theory. Theory is consistent with plate tectonics, in fact, it explains how the slow motions of the plates can. First a few examples of energy pumped into a system. Elastic rebound theory discovered by analysis of the fault. Within kinetic theory, the commonly used energy dependent relaxation time approach is strictly valid only for the lorentz plasma in the static case. Elastic rebound theory free download as powerpoint presentation. Definition of elastic rebound theory in the dictionary. Fault zones are often located near major population centers. Over time stresses in the earth build up often caused by the slow movements of tectonic plates. Which of the following is an aspect of the elastic rebound. The elastic rebound theory is an explanation for how energy is spread during earthquakes. Anelastic relaxation in crystalline solids provides an overview of anelasticity in crystals. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Elastic rebound theory is directly related to earthquakes.
It is compared with the result from linear response theory that includes electronelectron interactions and applies for arbitrary frequencies, including bremsstrahlung emission. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Nonconservative problems of the theory of elastic stability bolotin, v. Elasticrebound theory article about elasticrebound. When the plunger of rebound hammer is pressed against the surface of the concrete, the spring controlled mass rebounds and the extent of such rebound depends upon the surface hardness of concrete. An explanation for how energy is spread during earthquakes explanation. Rivlin, exact solutions in incompressible nonlinear elasticity rubber 1960 80 nonlinear theory clarified by j. This book discusses several relatively simple equations for practical application. According to the elastic rebound theory reid, 1910, the seismic cycle consists of two phases. Slowly they deform, until their internal rigidity is exceeded. Elastic rebound theory article about elastic rebound theory. It is compared with the result from linear response theory that includes electronelectron interactions and applies for. The three types of directional stress experienced by rocks are compressional, tensional, and shear stress fig. Elastic rebound theory is one of the central ideas to the mechanics of earthquakes and was originally proposed by reid 1910 following the 1906 san francisco earthquake on the san andreas fault.
N written the book namely theory of elasticity author timoshenko, s. The force per unit area acting on a rock is called stress. From an examination of the displacement of the ground surface which accompanied the 1906 earthquake, henry fielding reid, professor of geology at johns hopkins university, concluded that the earthquake must have involved an elastic rebound of previously stored elastic stress. The elastic rebound theory of earthquake sources allows rough prediction of the occurrence of large shallow earthquakes. With the exception of volcanic earthquakes that are the results of sudden and massive movements of magma, all table 1. Reids elastic rebound theory usgs earthquake hazard program. Previously it was thought that ruptures of the surface were the result of strong ground shaking.
Strained past a certain point, they spring back to their original shape, or rebound, causing earthquakes. Elastic reboundtheory elasticrebound theelasticreboundtheoryisanexplanationforhow energyisspreadduringearthquakes. However some of the characteristics of earthquakes can be explained by using a simple elastic rebound theory. One of a rare set of monographs on the nonlinear theory of elasticity, this book is essential reading for students and academicians alike. In geology, the elasticrebound theory is an explanation for how energy is released during an. This lesson covers the basics around our understanding of faults. The theory involves the slow build up of elastic strain due to largescale stresses in the crust on either side of a locked fault i. None of the above are aspects of the elastic rebound. Earthquakes occurring along subduction zones cause tsunamis.
From an examination of the displacement of the ground surface which accompanied the 1906 earthquake, henry fielding reid. N theory of elasticity and plasticity pdf download study material of theory of elasticity pdf download lacture notes of. This theory is known as the elastic rebound theory. Nonconservative problems of the theory of elastic stability. Theory of elasticity and plasticity full notes ebook free download pdf there are various elastic moduli, such as youngs modulus, the shear modulus, and the bulk modulus, all of which are measures of the inherent stiffness of a material as a resistance to deformation under an applied load.
An earthquake rupture occurs and relieves some of the stresses but generally not all. Elastic rebound theory rocks at the edges of tectonic plates are subject to tremendous forces resulting in intense deformation. Reid gave, for example, a crude forecast of the next great earthquake near san francisco. Elasticreboundtheory elasticrebound theelasticreboundtheoryisanexplanationforhow energyisspreadduringearthquakes.
Elastic rebound definition of elastic rebound by the free. Swaves are a type of elastic body wave that moves through the. A treatise on the mathematical theory of elasticity. Before this principle the fault rupture was believed to be the result of earth shaking. Passing right down the middle of the orchard, and across the road, is a fault zone. Information and translations of elastic rebound theory in the most comprehensive dictionary definitions resource on the web. The theory also predicted, of course, that the place would be along tectonic earthquakes.
Plate tectonics pwaves, swaves, and surface waves elastic rebound and seismic gap theory pwaves are a type of seismic wave that can travel through a continuum of gases as sound waves they are the primary wave. This book discusses the various physical and chemical phenomena in crystalline solids. This snapping back into position, upon the release of strain, is the elastic rebound of reids theory the elastic rebound theory is an explanation for how energy is spread during earthquakes. As rocks on oppo site sides of a fault are subjected to force and shift.
The first is the interseismic stage, during which elastic strain accumulates slowly with time due to. Elasticrebound theory article about elasticrebound theory. Topics covered include the borninfeld action, spectrum of open strings in background gauge fields, the schwinger mechanism, finitetemperature formalism and hagedorn behaviour in external fields, debye screening, dbrane scattering, thermodynamics of dbranes, and noncommutative field and string. Elastic rebound theory article about elastic rebound.
The nonlinear theory of elastic shells 1st edition. Anelastic relaxation in crystalline solids 1st edition. This is something like pulling a rubber band gradually until the band snaps. Elastic rebound theory refers to the set of facts surrounding how energy is generated and spreads during an earthquake.
Reids elastic rebound theory usgs earthquake hazards. Reids elastic rebound theory from an examination of the displacement of the ground surface which accompanied the 1906 earthquake, henry fielding reid, professor of geology at johns hopkins university, concluded that the earthquake must have involved an elastic rebound of previously stored elastic stress. As the earths crust deforms, the rocks which span the opposing sides of a fault are subjected to shear stress. Take a rubber band and stretch it as much as you can, give it everything.
Winner of the standing ovation award for best powerpoint templates from presentations magazine. A theory which attributes faulting to stresses in the form of potential energy which are being built up in the earth and which, at discrete intervals, are suddenly released as elastic energy. The rocky masses which form the two sides of the fault then snap back into a new position. Jan 21, 2016 elastic rebound theory is one of the central ideas to the mechanics of earthquakes and was originally proposed by reid 1910 following the 1906 san francisco earthquake on the san andreas fault. Purchase the nonlinear theory of elastic shells 1st edition. Pdf modeling of rebound phenomenon of a rigid ball with. Sadhu singh book experimental stress analysis and theory of elasticity free. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The first five chapters are occupied with the general theory, including the. Ceen 545 lesson 4 elastic rebound theory, fault types.
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