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Article
Pseudo-dynamic rupture implementation and earthquake engineering consequences of simulated ground motion in NCT Delhi (India) caused by Mwmw8.2 Nahan Himalaya seismic gap earthquake
This paper presents the physics based ground motion synthetics and its earthquake engineering consequences in the National Capital Territory (NCT) Delhi, India due to the Mw8.2 scenario earthquake on the Nahan...
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Article
Numerical Simulations and Development of Relations for the Assessment of Ground Motion Amplifications Along the Flanks of 2D and 3D Hills
Earthquake engineers continually face challenges in how to implement ridge/hill amplification to transfer predicted peak horizontal acceleration (PHA) near the base using a ground motion prediction equation (G...
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Chapter and Conference Paper
Influence of Site-City Interaction on the Response of Buildings on Trapezoidal Basin
The paper presents the response of cluster of buildings located on soft sediment in double resonance situation. In order to comprehend the influence of Site-city interaction on the response of the buildings, t...
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Chapter and Conference Paper
Effect of Randomness of Slip and Source Time Function on Pseudo-Dynamically Simulated Ground Motion Characteristics
This paper presents the effects of randomization of slip and the parameters of source time function on the pseudo-dynamically simulated ground motion characteristics. In the case of numerical simulations, the ...
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Chapter and Conference Paper
Local Seismicity Around Tehri Dam, Garhwal Himalaya
Tehri dam with a height of 260.5 m is the highest earth and rock fill dam in India. It is situated on the confluence of the Bhagirathi and the Bhilangana rivers in the Garhwal Himalaya and located in the highl...
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Chapter and Conference Paper
Quantification of Ridge-Weathering Effects on the Simulated Ground Motion Characteristics Across 2D and 3D Topography Models
This paper quantifies the impact of ridge-weathering on the simulation of ground motion across 2D and 3D topographical models. The models are excited with plane wave-fronts of Gabor wavelet. The seismic respon...
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Chapter
Development of Relationships to Predict Amplification of SH-Wave Across Two-dimensional Deep-Basins at Fundamental Frequency
The prediction of amplification of SH-wave at fundamental frequency ‘ \({F}_{02D}\) F ...
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Article
Quantification of the Effects of an Urban Layer on Rayleigh Wave Characteristics and Development of a Meta-City
This paper presents the quantification of the role of structural parameters and impedance contrast in the insulation and meta-capacity of a city for Rayleigh waves at an earthquake engineering scale. The feasi...
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Chapter and Conference Paper
Effects of Complex Valley Topography on De-amplification Scenerio for SH-Waves
In this paper, seismic responses of 2D complex valley topography are computed to provide a reliable scenario of valley de-amplification. Most of the cities in hilly regions are located in the valleys surrounde...
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Article
Effects of shape and complexity of ridge topography on the comparative amplification scenario for the SH- and SV-waves
In this paper, the computation of seismic responses of complex ridge topography is documented that can provide a reliable scenario of ridge amplification. This research work is inspired by the topography of th...
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Article
Computation of Ground Motion Amplification Scenario in NCT Delhi for Earthquake Engineering Purposes and Seismic Microzonation
This paper presents a scenario for the spatial variation of the fundamental frequency of the sediment deposits above the basement and the corresponding amplification as well as the average spectral amplificati...
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Article
Effects of geometry and rheological parameters of large basin on the SH-wave response of sub-basin in the basin-sub-basin models
The effects of impedance and shape-ratio of large basin on the nature of occurrence of 2D resonance, spectral amplifications, sub-basin-induced Love (SBIL)-waves and sub-basin-transduced Love (SBTL)-waves and ...
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Article
Open AccessEffects of site–city interaction and polarization of the incident S-wave on the transfer function and fundamental frequency of structures
The variation of 2D fundamental frequency of stand-alone structure on rock \( ({F}_{{02{\text{D}}}}^{\text{S}} ) \)
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Article
Role of Shape and Numbers of Ridges and Valleys in the Insulating Effects of Topography on the Rayleigh Wave Characteristics
This research work is inspired by the recently accepted concept that high frequency Rayleigh waves are generated in the epicentral zone of shallow earthquakes. Such high frequency Rayleigh waves with large amp...
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Article
A scenario of ground shaking hazard in intracratonic circular basins developed by basin-generated surface waves: an earthquake engineering perspective
This paper presents the comparative scenario of ground motion amplifications in the 2D semi-cylindrical (SC) basin and 3D semi-spherical (SS) intracratonic basin caused by the basin-generated surface (BGS) wav...
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Article
Open AccessEffects of basin parameters on the spatial variation of characteristics of basin generated Rayleigh waves
This paper presents the effects of shape of interface between the sediment and basement rock (SISB), basin-shape-ratio, impedance contrast, sediment-dam** and angle of incidence of body waves on the characte...
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Article
Quantification of modification of ground motion due to urbanization in a 3D basin using viscoelastic finite-difference modelling
This paper presents the quantification of modification of ground motion due to urbanization in a 3D basin as compared to the free-field motion. The complex interaction effects of basin and city on the ground ...
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Article
Quantification of focusing effects of the semi-spherical and semi-cylindrical synclinal basement topography on ground motion characteristics
The anomalous damage patterns developed by the focusing of seismic waves due to deep and shallow seated synclinal basement topography were reported during the Northridge earthquake of 1994 and the Nisqually ea...
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Article
Effects of complex interaction of Rayleigh waves with tunnel on the free surface ground motion and the strain across the tunnel-lining
The effects of complex interaction of Rayleigh waves with lined and unlined tunnels on the free surface ground motion and longitudinal and shear strains across the tunnel-lining are documented in this paper. ...
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Article
3D basin-shape ratio effects on frequency content and spectral amplitudes of basin-generated surface waves and associated spatial ground motion amplification and differential ground motion
This paper presents the effects of basin-shape ratio (BSR) on the frequency content and spectral amplitudes of the basin-generated surface (BGS) waves and the associated spatial variation of ground motion ampl...
