نتایج جستجو برای: shaking amplitude

تعداد نتایج: 99101  

2007
Shinya Takamuku

This paper introduces a synthetic study which investigates the role of shaking behavior in object category acquisition. By shaking objects with several holding positions and obtaining the amplitude spectrums of the auditory signal, a robot with poor control ability can acquire object categories such as rigid objects, paper materials, and PET bottles with water. The result indicates the possibli...

2009
Weiqun Liu Michael Manga

[1] Shaking-induced changes in permeability have been invoked to explain a wide range of hydrologic responses to earthquakes. We measure the evolution of permeability in fractured sandstone in response to repeated shaking under undrained conditions. The frequency and amplitude of the imposed shaking are similar to those from earthquakes at distances of a fault length from the ruptured fault. To...

2014
Nao Yasuda Ikuro Sumita

Flame structures found in sedimentary rocks may have formed from liquefaction and gravitational instability when the sediments were still unconsolidated and were subject to shaking caused by earthquakes. However, the details of the process that leads to the formation of the flame structure, and the conditions required for the instability to initiate and grow remain unclear. Here, we conduct a s...

2014
Marian Haescher Gerald Bieber John Trimpop Bodo Urban Thomas Kirste Ralf Salomon

Pathological shaking of the body or extremities is widely known and might occur at chronic diseases e.g. Parkinson. The rhythmical shaking, also known as tremor, can be such intense that extremities are flapping. Under certain circumstances, healthy people also show a shivering and shaking of their body. For example, humans start to shiver whenever it is too cold or if feelings such as stress o...

Journal: :Water 2023

The 3 April 2017 Mw 6.5 Moiyabana earthquake (Central Botswana) had a significant impact on groundwater levels; gradual co-seismic increase and stepwise decline in levels were observed response to the at boreholes MH2 Z12836, respectively. In this study, we investigated of Earth tides by computing amplitude phase shift M2 tidal constituent estimate temporal variations storativity, transmissivit...

2007
Richard M. Allen

Earthquake Alarms Systems, ElarmS, is a methodology for providing warning of forthcoming ground shaking during earthquakes. The approach uses a network of seismic instruments to detect the first-arriving energy at the surface, the P-waves, and translate the information contained in these low amplitude waves into a prediction of the peak ground shaking that follows. The instruments closest to th...

2009
Yu-Chang Chan Dimitri Komatitsch Jeroen Tromp

We combine light detection and ranging (LiDAR) digital terrain model (DTM) data and an improved mesh implementation to investigate the effects of highresolution surface topography on seismic ground motion based upon the spectralelement method. In general, topography increases the amplitude of shaking at mountain tops and ridges, whereas valleys usually have reduced ground motion, as has been ob...

This study based on free vibration analysis and study the behavior of framed structure under different frequency of vibration using ANSYS software and shaking table. A small scale uni-axial shaking table was prepared in laboratory, which can produce lower to moderate vibration, regarding frequency and velocity. Moment resisting framed structures constructed with connecting beam and column eleme...

Journal: :Soil Dynamics and Earthquake Engineering 2021

Liquefaction hazard induced by seismic events might affect the stability of buried pipelines, with permanent displacements embedded structure as a consequence. In this context, pipe uplift is main concern, already widely discussed in literature. paper, further insights to assess phenomenon and related effects on pipelines are provided based results shaking table tests pipes different apparent u...

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