Fling-step effect

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August undefined, 2024

http://db.nzsee.org.nz/2013/Paper_20.pdf WebJul 8, 2014 · A method to parameterize the fling‐step time history and to superimpose it onto traditionally processed time histories has been developed by Abrahamson (2002). ... Next, an improved approach for developing design ground motions with fling effects is presented, which deals with the problem of double‐counting intermediate period …

Performance of Moment Resisting RC Frames under Repeated …

WebAbstract. Compared with non-pulse-like ground motions, pulse-like ground motions are usually near-fault motions with forward directivity or fling-step effect. These pulse-like … WebNov 1, 2010 · Generically, fling step is the result of a permanent ground displacement that generates one-sided velocity pulses, whereas forward directivity is a dynamic phenomenon that produces no permanent ground displacement and hence two-sided (reversing) velocity pulses [12], [16], [17], [19], [27]. order internal in proc report

Seismic behavior of long-span concrete-filled steel tubular arch …

WebFeb 1, 2024 · A fling-step motion, which respectively occurs parallel to strike and dip directions for the strike-slip and dip-slip earthquakes, holds a one-sided pulse in its velocity time-history, and thus generating a permanent static displacement on ground. WebThe repeated earthquakes containing fling-step effect propagate the drift of 1.32 and 1.50 times larger than single earthquake with fling-effect. These motions cause the 10- and 15-story RC frames with R = 8 to have 100% of probability of collapse. Download Full-text. WebJun 29, 2024 · Theoretically, the fling step is the contribution of the static Green’s function in the representation theorem (Hisada and Bielak, 2003), and we show that this theory holds for any seismic velocity structure. We first demonstrate the validity of this theory using theoretical solutions of a circular fault model in a homogeneous full‐space. order insulated glass pane

Seismic evaluation of FRP strengthened RC buildings

What Is Fling Step? Its Theory, Simulation Method, and

WebSep 21, 2024 · Fling step earthquake occurred due to permeant displacement at the fault and it can be observed parallel to fault or slip direction. This effect gets reflected in the velocity and displacement time histories [14, 16,17,18]. Typical time histories of acceleration, velocity, and displacement are shown in Fig. 4. 2.2 Modeling WebJan 1, 2013 · And the important feature should be observed is formation of step like displacement records which named as fling effect which is induced by the permanent tectonic offset of the rupture fault... order interface error tables in oracle appsWebJun 29, 2024 · Theoretically, the fling step is the contribution of the static Green’s function in the representation theorem (Hisada and Bielak, 2003), and we show that this theory … order interim bank statement barclays

"WebThe first has pulse and fling-step signatures in its velocity and displacement motions, respectively. It is well recognized that the ground motion with pulse and fling-step effects amplified the building drift larger than the ground motion with … " - Fling-step effect

Fling-step effect

Fling-step ground motions simulation using theoretical …

WebMay 1, 2006 · Fling-step is one of the important characteristics of near-fault ground motions that is caused by a permanent static offset of the ground and appears as a one-sided velocity pulse and a large… Expand Near-Fault Effects on RC Buildings’ Demand in Linear and Nonlinear Analyses M. Mohammadi, A. Massumi, Afshin Dini Engineering 2024 WebApr 24, 2024 · Fling step is observable as the one-way pulse in velocity record and the non-zero displacement at the end of the displacement record. Initial time histories of …

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Websulting in forward directivity and fling-step effect is the main characteristic of such motions (Abra-hamson, 2001; Lili et al., 2005). Fling-step is concerned with permanent … WebMar 15, 2024 · The behavior of base-isolated building frame is investigated with the help of a numerical study for far-field and near-field earthquakes with directivity and fling-step effects. Both design-level and extreme-level earthquakes are considered.

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WebApr 24, 2024 · “In addition to the rupture directivity studied above, the ‘fling step’ effect has been proposed as another contributor of long-period ground motion pulses 29,30 and it was also identified in the... WebMay 3, 2024 · The characteristics of near-fault ground motion can be summarized as the following effects: the rupture directivity, fling step, hanging wall, and vertical effects. Among these, the rupture directivity and fling step effects will induce a long-period and large-amplitude velocity pulse.

WebFling is the engineering term for the effects of the permanent tectonic offset, caused by a rupturing fault in the recorded ground motions near the fault. It is expressed by a one‐sided pulse in ground velocity and a nonzero final displacement at the end of shaking. Standard processing of earthquake time histories removes some of the fling effects that may be …

WebApr 1, 2010 · The pernicious effect of far-fault and near-fault earthquake records on the seismic behavior of concrete structures has been studied widely. In addition, several research works have been carried out to investigate the influence of forward-directivity and fling‐step, as unique characteristics of the near-fault motions and not observed in the far … order integers from greatest to leastWebSubsequently, the effect of fling-step was removed from the primary waveforms and the same SDOF system was subjected to the new ground motion record (without fling-step). Figure 5. Comparison of response of SDOF (T 1 =2.0 sec and R=5) to HVSC earthquake record with & without fling-step (wf: with fing-step; wof: without fling-step effect) order internationalWebApr 11, 2024 · Brett Fling's research at CSU’s Sensorimotor Neuroimaging Laboratory includes having MS patients walk on a split-belt treadmill to get people’s “bad leg” to work harder to catch up to their “good leg.” Fling said preliminary data suggests that imperceptible stimuli via electrodes to the muscle up to the brain and back aids patients … order internal revenue service formsWebApr 1, 2024 · Fling-step effect Cross-fault Pile-supported embankment Through-facing-geosynthetics reinforce Wrapping-facing-geosynthetics-reinforce 1. Introduction As high-speed railways lines are extending largely to seismically active regions, it is inevitable for some railways reinforced embankments to pass through the fault zone. order international beerWebJul 1, 2024 · Indeed, the effect of fling-pulses on structures and infrastructures is a topic of current engineering research, as highlighted by several studies that demonstrate the detrimental effect of impulsive ground motions on the seismic performance of structures, particularly those governed by long-periods. order international postageWebDec 1, 2024 · The study focuses on the fling-step effect which is related to large co-seismic displacement. The structural behavior in the nonlinear phase was described by the … ireland aqiWebSimple input pulses were also synthesized to simulate artificial fling-step effects in ground motions originally having forward directivity. Findings from the study reveal that median … ireland army health clinic home page