Results 61 to 70 of about 1,216,082 (231)
Centrifuge modeling of rocking-isolated inelastic RC bridge piers [PDF]
, 2014 Experimental proof is provided of an unconventional seismic design concept, which is based on deliberately underdesigning shallow foundations to promote intense rocking oscillations and thereby to dramatically improve the seismic resilience of structures.
Gazetas, George +11 more
core +1 more source
Geochemistry, Geophysics, Geosystems, 2020 We combine numerical modeling of lithospheric extension with analysis of seismic moment release and earthquake b‐value in order to elucidate the mechanism for deep crustal seismicity and seismic swarms in the Main Ethiopian Rift (MER).
Ameha A. Muluneh +7 more
doaj +1 more source
Горные науки и технологии, 2020 In mining technical literature, the prevailing idea is still that rockbursts in open pits and underground mines are caused by gravitational forces produced by the overburden rock mass, put forward in the 20th century by S.G. Avershin and I.M.
A. V. Lovchikov
doaj +1 more source
Seismic and Aseismic Slip Compete to Regulate Permeability Evolution During Fault Reactivation
Geophysical Research LettersCrustal permeability can be created through microearthquakes as observed at field and laboratory scales. The respective roles of seismic and aseismic slip in governing permeability evolution remain ill‐constrained.
Junpeng Wang +6 more
doaj +1 more source
Moment tensor analysis of transversely isotropic shale based on the discrete element method
International Journal of Mining Science and Technology, 2017 In this study, the moment tensor of transversely isotropic shale was analyzed using a discrete element method-acoustic emission model (DEM-AE model). Firstly, the failure modes of the shale obtained from the acoustic emission (AE) events and physical ...
Zhaohui Chong +4 more
doaj +1 more source
Matched filtering for the seismic moment tensor
Geophysical Research Letters, 1976 By a process of matched filtering it is possible to deconvolve a small number of acceleration or strain records for the moment rate tensor of a seismic source. Theoretically, one horizontal accelerometer (or strain meter) or two vertical accelerometers is sufficient. Practically, five to ten records can be shown to suffice.
Ray Buland, Freeman Gilbert
openaire +1 more source
Seismic moment tensor event screening
Geophysical Journal International, 2020 SUMMARY Event screening is an explosion monitoring practice that aims to identify an event as an explosion (‘screened in’) or not (‘screened out’). Confidence in event screening can be increased if multiple independent approaches are used.
Sean R Ford +2 more
openaire +2 more sources
Advances in crosshole seismic reflection processing [PDF]
, 1993 In recent years there have been significant advances in the acquisition and processing of crosshole seismic reflection data, and the method has been shown to be a high resolution imaging technique.
Rowbotham, Peter S
core
Vers une tomographie haute résolution du manteau inférieur terrestre [PDF]
, 2012 La couche D" est une des zones les plus hétérogène de la Terre, abritant des structures mal comprises, probablement à l'origine de la dynamique globale du manteau. Les méthodes actuelles de tomographie sismique ne résolvent pas correctement cette région.
Schardong, Lewis
core
Performance-Based approach in seismic design of embedded retaining walls [PDF]
, 2008 The increasing use of the underground spaces and the last seismic events in the urban areas have driven many researchers of different countries to deepen the knowledge on the dynamic behaviour of the structure embedded in the subsoil.
Visone, Ciro
core +1 more source