Results 1 to 10 of about 155,479 (231)

Borehole Seismic Observations From the Chicxulub Impact Drilling: Implications for Seismic Reflectivity and Impact Damage [PDF]

Geochemistry, Geophysics, Geosystems, 2022
We conducted a vertical seismic profile (VSP) in the borehole of International Ocean Discovery Program/International Continental Scientific Drilling Program Expedition 364 Site M0077 to better understand the nature of the seismic reflectivity and the in ...
C. G. Nixon, D. R. Schmitt, R. Kofman, J. Lofi, S. P. S. Gulick, S. Saustrup, G. L. Christeson, D. A. Kring   +7 more
doaj   +3 more sources

Studies of natural frequency degradation and the nature of destruction of reinforced concrete frames in case of an earthquake [PDF]

E3S Web of Conferences, 2023
The article presents the results of a numerical study of the impact of local damage to load-bearing structures on the degradation of natural frequencies and the integrity of the structure during an earthquake.
Mkrtychev Oleg, Zaitsev Roman
doaj   +1 more source

Radar monitoring of long surface waves in the pacific ocean [PDF]

Радиофизика и электроника, 2021
Subject and Purpose. The paper addresses interaction processes going in the ocean–atmosphere system and is concerned with their research by the method of radar remote sensing.
S.A. Velichko, А.Ya. Matveev, D.M. Bychkov, V.K. Ivanov, V.N. Tsymbal, O.S. Gavrilenko   +5 more
doaj   +1 more source

The Seismic Moment and Seismic Efficiency of Small Impacts on Mars [PDF]

Journal of Geophysical Research: Planets, 2020
AbstractSince landing in late 2018, the InSight lander has been recording seismic signals on the surface of Mars. Despite nominal prelanding estimates of one to three meteorite impacts detected per Earth year, none have yet been identified seismically.
N. Wójcicka, G. S. Collins, I. D. Bastow, N. A. Teanby, K. Miljković, A. Rajšić, I. Daubar, P. Lognonné   +7 more
openaire   +6 more sources

EVALUATION OF SEISMIC IMPACTS OF STRONG EARTHQUAKES IN VARIOUS PERMAFROST AND SEISMIC ZONES OF THE MONGOLIAN-SIBERIAN REGION

Геодинамика и тектонофизика, 2022
Based on the study of the features of seismicity within the limits of continuous permafrost and in transitional climatic zones, the influence of natural and climatic factors on the magnitude of seismic impacts is revealed.
V. I. Dzhurik, E. V. Bryzhak, S. P. Serebrennikov, A. Yu. Yeskin   +3 more
doaj   +1 more source

Study on the New Method of Constructing Shear Walls in Multi-Storey Buildings With Site Cast Reinforced Concrete Frame System

Journal of Architectural and Engineering Research, 2021
The article touches upon the comparative analysis of bearing system calculations of a multi-storey residential building with site cast reinforced concrete frame and shear wall constructed by two different methods.
Lusine Gurgen Karapetyan, Tigran Vardan Ter-Poghosyan   +1 more
doaj   +1 more source

Assessment of the Stress-Strain State of Strengthened Buildings in Seismic Regions Taking into Account Soil Dynamic Parameters

Journal of Architectural and Engineering Research, 2022
The main objective of the article is to assess the stress-strain state of building structures under seismic action taking into account the dynamic characteristics of the soils.
Tigran Dadayan, Elena Dumova-Jovanoska, Lusine Karapetyan   +2 more
doaj   +1 more source

Seismic impacts influence on the slope stability on the example of Abrau Peninsula (Russian sector of black sea coast) [PDF]

E3S Web of Conferences, 2020
Some aspects of seismic impact on the stability of massive seismogravitational solid masses are examined. An example of the slope stability calculation using separate accounting for seismic accelerations in blocks is shown. The influence of the relief on
Kropotkin Mihail
doaj   +1 more source

Swept impact seismic technique (SIST) [PDF]

GEOPHYSICS, 1996
A coded seismic technique is developed that can result in a higher signal‐to‐noise ratio than a conventional single‐pulse method does. The technique is cost‐effective and time‐efficient and therefore well suited for shallow‐reflection surveys where high resolution and cost‐effectiveness are critical.
Park, Choon Byong, Miller, Richard D., Steeples, Don W., Black, Ross A.   +3 more
openaire   +2 more sources

The use of the Dynamics+ module in LIRA-CAD 2022 in the calculation of large-span buildings or structures for seismic impacts

Архитектура, строительство, транспорт, 2023
The article discusses the main goals of dynamic calculation of buildings and structures. The authors present a method for calculating a large-span steel spatial structure for seismic impacts using the Dynamics+ module in LIRA-CAD 2022 software package ...
I. G. Ovchinnikov, N. S. Bystrov
doaj   +1 more source