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Newmark's sliding block : ウィキペディア英語版 | Newmark's sliding block The Newmark's sliding block analysis method is an engineering method used to calculate the permanent displacements of soil slopes (also embankments and dams) during seismic loading. It is also simply called Newmark's analysis or Sliding block method of slope stability analysis. ==History== The method is an extension of the Newmark's direct integration method originally proposed by Nathan M. Newmark in 1943. It was applied to the sliding block problem in a lecture delivered by him in 1965 in the British Geotechnical Association's 5th Rankine Lecture in London and published later in the Association's scientific journal ''Geotechnique''.〔Newmark, N. M. (1965) Effects of earthquakes on dams and embankments. Geotechnique, 15 (2) 139–160.〕 The extension owe a great deal to Nicolas Ambraseys whose doctoral thesis〔Ambraseys, N. N. (1958) The seismic stability of earth dams. PhD Thesis, Imperial College of Science and Technology, University of London.〕 on the seismic stability of earth dams at Imperial College London in 1958 formed the basis of the method. At his Rankine Lecture, Newmark himself acknowledged Ambraseys' contribution to this method through various discussions between the two researchers while the latter was a Visiting Professor at the University of Illinois.
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