Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 2123 for “"Seismic"”.
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Seismic borehole tomography
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric and Planetary Sciences, 1988.
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Seismic behaviour of cable-stayed bridges : design, analysis and seismic devices
… and requiring an outstanding knowledge of their seismic response. The objective of the study is three-fold; (i) to discern how project decisions affect the seismic behaviour of cable-stayed bridges;(ii) to shed light on appropriate analysis strategies in order to address their linear and …
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Seismic analysis and an improved seismic design procedure for gravity retaining walls
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1982.
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Ocean bottom seismic scattering
Seismic studies of the oceanic crust, both experimental and theoretical, often assume a flat seafloor and laterally homogeneous crust. This is done regardless of the appearance in seismic data of obvious effects due to scattering from lateral heterogeneities both on and in the seafloor. Detailed …
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Deep sea seismic stratigraphy
Horizons responsible for the reflection of seismic waves within deep-sea sediments are shown to be less reliable for the purposes of correlation than their counter-parts in shallow margin sequences. Similar surfaces, such as abrupt lithological changes and unconformities, in the two different …
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Torsional seismic source, A
Includes bibliographical references (pages 66-68).
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Seismic Expressions of Paleokarst
… resources. This dissertation examines worldwide seismic expression of paleokarst; and specifically, the characterization of paleokarst reservoirs developed across the Cherokee Platform, and in the Arkoma Basin, Oklahoma. </p> <p>Worldwide subsurface paleokarst formations are of Precambrian to …
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Seismic isolation of bridges
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.
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Resolution of seismic reflections
Thesis. (M.S.) Massachusetts Institute of Technology. Dept. of Geology and Geophysics, 1956.
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Ocean bottom seismic scattering
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, and Woods Hole Oceanographic Institution, 1990.
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Seismic site response of deep soil and embankments in the New Madrid Seismic Zone
… This is to be accomplished by developing new seismic design and assessment methodologies, by improving seismic retrofitting measures, and by exchanging and transferring new technologies. Four major tasks were conducted in this study: characterization of typical sites in the NMSZ, free field …
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Seismic hazard analysis and seismic slope stability evaluation using discrete faults in northwestern Pakistan
… and mitigating structures based on proper seismic hazard and seismic slope stability analyses. This study presents the methodology and results of seismic hazard and slope stability analyses in northwestern Pakistan. The first part of the thesis describes the methodology used to perform …
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Seismic Wave Velocity Variations in Deep Hard Rock Underground Mines by Passive Seismic Tomography
… of the rock mass associated with mining-induced seismicity is poorly-understood. Passive seismic tomography is a tool with which the performance of a rock mass can be monitored in a timely manner. Using the tool of passive seismic tomography, the advance rate of operation and mining designs can …
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Attenuation of volcanic seismic signals
… particular emphasis on quantitatively linking seismic signals to magmatic processes and properties. The effect of the intrinsic attenuation of the fluid on the amplitude decay of low-frequency volcanic earthquakes is examined using a viscoelastic finite-difference model of seismic wave …
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SEISMIC SIGNATURES OF PORE CONNECTIVITY
… is analyzing medium parameters’ influence on seismic signatures, especially pore connectivity. Firstly, I use the Zoeppritz equation to analyze reflection coefficient's sensitivity to eight medium parameters; results show they all have significantly different sensitivity. Friability is an …
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Improving Seismic-to-well Ties
Seismic-to-well ties are important for seismic interpretation and impedance inversion. Reflectivity can be calculated directly from well logs while its estimation from seismic data requires the determination of the seismic wavelet and the removal of the same. In the presence of anelastic …
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Seismic studies of subducted lithosphere
… the base of the upper mantle is delineated by seismicity, probably in response to resistance encountered near the 670-km discontinuity.
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