Results 101 to 110 of about 2,291 (297)
Global seismicity of 1981: centroid-moment tensor solutions for 542 earthquakes
Physics of the Earth and Planetary Interiors, 1988 Abstract Centroid-moment tensor solutions are presented for 542 earthquakes that occurred during 1981.
Dziewonski, A +3 more
openaire +2 more sources
Structural Concrete, EarlyView.Abstract The previous seismic events indicated the vulnerability of old reinforced concrete (RC) structures against earthquakes due to the absence of seismic detailing and capacity design specifications in such buildings. In this context, beam‐column joints (BCJ) of the existing RC structures built before the 1970s have exhibited poor structural ...
Peyman Sabbahfar +3 more
wiley +1 more source
Seismotectonic deformations and stress drop of earthquakes of Central Tien Shan [PDF]
Геосистемы переходных зонBased on the seismic moment tensor (SMT) data of 270 earthquakes in the Central Tien Shan, which occurred from 1978 to 2021 and include 63 events from the Global Centroid Moment Tensor catalog and 207 events from the works of Aleksander D.
Sycheva, Naylya A.
doaj +1 more source
Moment tensor inversion of perforation shots using distributed acoustic sensing
, 2023 Distributed acoustic sensing (DAS) fibers have enabled various geophysical applications in unconventional reservoirs. Combined with perforation shots, a DAS fiber can record valuable guided waves that propagate in the reservoir formation and carry ...
Bader, Milad +3 more
core +1 more source
Innovative development and structural behavior of hollow columns using inflatable molds
Structural Concrete, EarlyView.Abstract This study introduces a novel approach for constructing hollow columns using precast (PC) methods enhanced by inflatable air tubes as internal molds. The proposed method addresses practical challenges in conventional hollow column construction, such as limited constructability, high production cost, and interference between internal molds and ...
Soo Hyung Kim +3 more
wiley +1 more source
地球与行星物理论评Do large caves exist deep underground? Through seismological investigations, we speculate the existence of a large geological cave about 7 km beneath the surface.
Tingxiao Xue, Liang Wang
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Non double couple seismic sources, faults interaction and hypothesis of self-organized criticality [PDF]
Natural Hazards and Earth System Sciences, 2005 Non double couple (NDC) sources are considered in framework of the hypothesis that the process of seismic rupture can be viewed as a result of complicated fault geometry and its segmentation.
S. Yunga, A. Lutikov, O. Molchanov
doaj
Earthquake fault-plane solutions and patterns of seismicity within the Umbria Region, Italy
Annals of Geophysics, 2006 In this paper we present a review of the seismotectonic features (an analysis of earthquake focal mechanisms and the distribution of seismicity) of the Northern Apennines, Umbria Region (Italy) in the area between Sansepolcro and Norcia.
F. Frepoli, S. Pondrelli, M. G. Ciaccio
doaj +1 more source
Global seismicity of 1982: centroid-moment tensor solutions for 308 earthquakes
Physics of the Earth and Planetary Interiors, 1983 Abstract The centroid-moment tensor analysis is applied to digital recordings of 308 moderate and large earthquakes that occurred during 1982 and were recorded by the Global Digital Seismograph Network (GDSN) and International Deployment of Accelerometers (IDA) networks. The tables contain numerical results for all events.
Dziewonski, A +3 more
openaire +2 more sources
Experimental investigation of reinforced concrete members subjected to reversed cyclic axial loading
Structural Concrete, EarlyView.Abstract This paper presents an experimental campaign of five reinforced concrete members subjected to cyclic axial loading alternating between tension and compression. Fiber optical sensors and digital image correlation, in combination with automated crack detection and measurement, were used to investigate, among other aspects, the development of ...
Simon Karrer +2 more
wiley +1 more source