Search
Search Results
-
Differential shear wave attenuation property of the Kumaon and Garhwal Himalaya, India in terms of shallow shear wave velocity profiles
The Uttarakhand Himalaya which lies in the central seismic gap region of Himalaya is divided into the Garhwal and Kumaon Himalayas. Several studies...
-
Study on acoustic velocity dispersion of carbonate rock and extrapolation of the velocity
At present, a series of petrophysical experimental studies have been carried out on the velocity dispersion and attenuation caused by wave induced...
-
Seismic multiple attenuation based on improved U-Net
Effective attenuation of seismic multiples is a crucial step in the seismic data processing workflow. Despite the existence of various methods for...
-
Modeling wave attenuation by vegetation with accompanying currents in SWAN
Coastal wetlands such as salt marshes and mangroves provide important protection against stormy waves. Accurate assessments of wetlands’ capacity in...
-
Stress dependence of elastic wave dispersion and attenuation in fluid-saturated porous layered media
The fluid-saturated porous layered (FSPL) media widely exist in the Earth’s subsurface and their overall mechanical properties, microscopic pore...
-
A rapid assessment method for calculating the drag coefficient in wave attenuation by vegetation
Vegetation in wetlands is a large-scale nature-based resource that can provide multiple benefits to human beings and the environment, such as wave...
-
Attenuation analysis in coal based on a fractal viscoelastic model
Great attention has been focused on uncovering the physics of seismic wave attenuation in rocks in the past few decades. However, the contribution of...
-
A CAV Attenuation Model for Iran: Application to Liquefaction-Induced Lateral Spreading Assessment
A new attenuation model is proposed to estimate the cumulative absolute velocity (CAV) of strong ground motions based on an updated earthquake...
-
A Short-Bar Combined-Wave Method for Wave Propagation Coefficient Determination
A combined-wave method which can significantly reduce the length of the rock bar was proposed for investigating the stress wave propagation through...
-
Detections of ultralow velocity zones in high-velocity lowermost mantle linked to subducted slabs
Ultralow velocity zones revealed by seismological observations at the core–mantle boundary lend clues to the physico-chemical characteristics and...
-
Anisotropic Attenuation Compensated Reverse Time Migration of Pure qP-Wave in Transversely Isotropic Attenuating Media
The absorption (anelastic attenuation) and anisotropy properties of subsurface media jointly affect the seismic wave propagation and the quality of...
-
Research on the attenuation law of blasting vibration in tunnel engineering
To accurately predict the attenuation law of the blasting vibration velocity, the concept of equivalent radius ( rd ) is introduced based on Heelan...
-
Quantitative evaluation of velocity pulse-like ground motions using spatial rotation technique
Strong pulse-like ground motions excited by a causative fault with a rupture propagation close to the shear wave velocity can induce significant...
-
Lessons learned from applying varying coefficient model to controlled simulation datasets
The development of site- and path-specific (i.e., non-ergodic) ground-motion models (GMMs) can drastically improve the accuracy of probabilistic...
-
Numerical Simulation and Parametric Analysis of Ultrasonic Velocity Test in Fractured Rock Based on the Discrete Element Method
Ultrasonic pulse velocity (UPV) test is widely used to evaluate rock mass integrity. However, it is rather difficult to conduct a sampling of...
-
Vibration attenuation performance of wind turbine tower using a prestressed tuned mass damper under seismic excitation
With the rapid development of large megawatt wind turbines, the operation environment of wind turbine towers (WTTs) has become increasingly complex....
-
Water Effects on Elastic S-Wave Propagation and Attenuation Across Single Clay-Rich Rock Fractures: Insights from Ultrasonic Measurements
Though previous studies have shown that the presence of water strongly influences wave responses of rock fractures, water effects on wave behaviours...
-
A Study of Vibration Velocity Attenuation Induced by Pneumatic Rock Breaking with Carbon Dioxide Ice Powder for Safety Assessment
Rock breaking technique plays an important role in rock excavation engineering, such as mining, tunnel construction and hydropower engineering....
-
Depth and Spatial Variation of the Shear Wave Attenuation Parameters in the Shallow Crust and Lower Crust/Upper Mantle of Mt. Etna (Italy)
Seismic wave attenuation is a key feature of seismic wave propagation that provides constraints on the composition and physical state of the medium...
-
Macroseismic intensity attenuation models calibrated in Mw for Italy
This study aims at develo** new macroseismic intensity attenuation models valid for Italy by exploiting the most updated macroseismic dataset and...
