نتایج جستجو برای: near fault ground motions
تعداد نتایج: 480356 فیلتر نتایج به سال:
We study how the fault dip and slip rake angles affect near-source ground velocities and displacements as faulting transitions from strike-slip motion on a vertical fault to thrust motion on a shallow-dipping fault. Ground motions are computed for five fault geometries with different combinations of fault dip and rake angles and common values for the fault area and the average slip. The nature ...
Response spectral matching is a process in which a real recorded earthquake ground motion is modified such that its response spectrum matches a desired target spectrum across a range of periods. Spectral matching algorithms aim to minimise artificial adjustments introduced to the seed, such that original non-stationary characteristics, such as velocity pulses commonly observed in ground motions...
Introduction One-dimensional site response analysis is widely performed to account for local site effects during an earthquake. Most of these approaches assume that dynamic soil properties are frequency independent. Laboratory test results as well as in-situ testing show that shear modulus and damping ratio are dependent on the frequency of loading. Although the amplification factor at ground ...
To improve the seismic performance of bridges, this study develops a novel superelastic conical friction pendulum isolator (SCFPI) by incorporating an improved (CFPI) with shape memory alloy (SMA). The flat sliding function designed for is to enhance adaptability under service loadings. analytical model SCFPI derived and numerical developed within OpenSees platform investigate hysteretic behavi...
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