Sentences with phrase «rock during an earthquake»
The rods allow the wall to rock during an earthquake and snap back into its original upright position, minimizing the deformation and the resulting structural damage.
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============ Julius Africanus (c. 160 — c. 240) Chronography, XVIII refers to writings by Thallus and Phlegon concerning the darkness during the Crucifixion: On the whole world there pressed a most fearful darkness; and the rocks were rent by an earthquake, and many places in Judea and other districts were thrown down.
The lateral shaking may have been amplified by a phenomenon noted during the Mexico City earthquake in 1985, in which seismic waves bounce off firmer rock below, and intensify the shaking at ground level.
Researchers are particularly interested in a system that allows the building to rock in response to an earthquake and on how the walls and floors interact during shaking.
In the current tests of the two - story, 22 - foot - tall structure, the researchers are studying the behavior of full - scale seismic safety systems made from advanced wood materials — including rocking walls, which can rock during a temblor and then re-center back by itself, and a mass timber floor designed to withstand strong earthquakes.
Wastewater created during oil and gas production and disposed of by deep injection into underlying rock layers is the probable cause for a surge in earthquakes in southern Kansas since 2013, a new report in the Bulletin of the Seismological Society of America concludes.
Calcite precipitates out of pressurized fluids that travel through rock near faults during some earthquakes and gets deposited in layers, like rings of a tree.
20 February 2018 — Wastewater created during oil and gas production and disposed of by deep injection into underlying rock layers is the probable cause for a surge in earthquakes in southern Kansas since 2013, a new report in the Bulletin of the Seismological Society of America concludes.
The observatory is studying physical and mechanical properties of rocks before, during and after a quake; physical and chemical changes in the earth's crust that occur during an earthquake; and temperature change that impels melting of rocks.