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Stresses and displacements in the lithosphere due to terrain topography

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Резюме

Дaёmся nолнaя ¶rt;вумернaя mеорuя нanряженuŭ u смещенuŭ в нa

руженноŭ уnру

оŭ nлaвaющеŭ лumосфере. Выве¶rt;ены aнaлumuческuе вырaженuя, оnuсывaющuе эmu велuчuны кaк функцuu оm фuзuческuх u

еомеmрuческuх naрaмеmров мо¶rt;елu. Покa

aно, чmо

орuзонmaльные нanряженuя мо

уm знaчumельно nревысumь нanряженuя nоверхносmноŭ нa

рузкu u в оm¶rt;ельных случaях мо

уm быmь nоря¶rt;кa 200 МПa. Выnолнены чuсленные рaсчёmы ¶rt;ля

еофuзuческu ¶rt;оnусmuмых вхо¶rt;ных naрaмеmров.

Summary

The complete two-dimensional theory of stresses and displacements in the loaded elastic floating lithosphere is presented. Analytical expressions are derived describing these quantittes as functions of the physical and geometrical parameters of the model. It is shown that horizontal stresses σxx may considerably exceed the surface load and that values of σxx≈200 MPa can be generated under certain conditions. Numerical calculations are carried out for geophysically acceptable input parameters.

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Authors and Affiliations

  1. Geophysical Institute, Czechosl. Acad. Sci., Prague

    Jiří Trešl & Věra Marvanová

Authors
  1. Jiří Trešl
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  2. Věra Marvanová
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Trešl, J., Marvanová, V. Stresses and displacements in the lithosphere due to terrain topography. Stud Geophys Geod 32, 350–361 (1988). https://doi.org/10.1007/BF01635605

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  • DOI: https://doi.org/10.1007/BF01635605

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