Search Results: 'seismic zones'

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7 results for "seismic zones"
Moon, Planets, Sun and seismic Phases By Giovanni Imbalzano
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Supernovas, planetary conjunctions and Earth seismicity (quantic seismology), Seismic perturbation, Bode law and WIMP interactions (gravitational quantization)... and now: Moon, Planets, Sun and... More > Seismic phases (waves quantum III) Prof. Giovannni Imbalzano © 2014 Moncalieri IT. INDEX Seism & planet history Zones of risk Critical days and Hours Pages in Internet World preview 9'2014 Italy preview 9'2014 Lunar Phases and Hours Resume from 5'2'2012... Resume from 1'3'2014... Moon and Hours Prevision & Alignments Shoulder / Front Stress Shoulder & Front Stress Future Seismogram Experiments confirm Curiosity Hours coincidences WIMP references ... Bode Law Mathematical details Quantum Syntesis Bibliography GI.< Less
Proceedings of the Getty Seismic Adobe Project 2006 Colloquium By Getty Conservation Institute
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During this three-day colloquium, presented by the Getty Conservation Institute (GCI), a group of professionals with expertise in earthen conservation, materials science, construction, building... More > standards, and earthquake engineering gathered to discuss the current state of knowledge and the challenges of preserving our earthen cultural heritage in active seismic zones. This publication contains a selection of papers presented at the colloquium, as well as several later submissions by participants. For more information on the Getty Conservation Institute's work with earthen architecture, visit the Earthen Architecture Initiative Web site at www.getty.edu/conservation/field_projects/earthen/.< Less
OTREC-RR-11-22 By Peter Dusicka, Selamawit T Mehary
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This project developed a seismic model for Oregon truck routes using Risk for Earthquake Damage to Roadway Systems (REDARS2) and HAZUS-MH. We refined data from the first model to more realistically... More > represent bridge inventory, address the seismicity of the Pacific Northwest (PNW), conduct sensitivity analyses of soil data and develop a seismic network model of Oregon bridges to assess roadway vulnerability. Assumptions were reviewed and Oregon data was incorporated to replace defaults for economic loss. The largest probable PNW earthquake is a subduction zone earthquake. A shortcoming of REDARS2 is its inability to incorporate subduction zone attenuation. USGS shakemaps for Cascadia subduction zone events are incorporated to add that capability. Analyses of the network incorporating bridges and post processing of the data with input from Oregon DOT engineers resulted in recommendations for bridge route priorities. More data and cost-benefit analyses are needed for final retrofit decisions.< Less
OTREC-RR-13-05 By Michael Scott, Scott Ashford, Deepak Rayamajhi
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Liquefaction and liquefaction induced damage in pile supported structures is seen in earthquakes around the world. The Pacific Northwest has seismic hazard conditions as a Cascadia Subduction Zone... More > (CSZ) with an expected earthquake magnitude of 9.0 (Mw) and a 300 year return period. Oregon Dept. of Transportation found thousands of Oregon bridges to be vulnerable to a CSZ earthquake, with repair and replacement costs estimated at over $1 billion. This research sought to evaluate the seismic performance of bridge foundations and liquefaction mitigation alternatives. The main objectives were to develop design charts for mitigation alternatives and to develop methodologies for assessing the performance of bridge pile foundations in laterally spreading ground. Research focuses are: 1) ground improvement methods, particularly using stone columns and deep soil mixing grids, and 2) assess the seismic performance of bridge foundations and seismic retrofitting alternatives for the bridge foundation.< Less
OTREC-RR-13-05 By Scott Ashford, Michael Scott, Deepak Rayamajhi
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Liquefaction and liquefaction induced damage in pile supported structures is seen in earthquakes around the world. The Pacific Northwest has seismic hazard conditions as a Cascadia Subduction Zone... More > (CSZ) with an expected earthquake magnitude of 9.0 (Mw) and a 300 year return period. Oregon Dept. of Transportation found thousands of Oregon bridges to be vulnerable to a CSZ earthquake, with repair and replacement costs estimated at over $1 billion. This research sought to evaluate the seismic performance of bridge foundations and liquefaction mitigation alternatives. The main objectives were to develop design charts for mitigation alternatives and to develop methodologies for assessing the performance of bridge pile foundations in laterally spreading ground. Research focuses are: 1) ground improvement methods, particularly using stone columns and deep soil mixing grids, and 2) assess the seismic performance of bridge foundations and seismic retrofitting alternatives for the bridge foundation.< Less
The Temblor of Diablo By James W. Cotton
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Arie Petrovich is a scientist and a writer for a popular nature journal. He is given an assignment to write an article about the new seismic monitoring system being installed in the San Francisco Bay... More > Area, but his project takes on a different angle when a major earthquake strikes the city of Walnut Creek, killing hundreds and leaving the two seismologists he was interviewing among the body count. Being a geologist, he notices that the damage and injuries were not exactly consistent with that caused by earthquakes. Local law enforcement is already overwhelmed with the task of maintaining order in the disaster stricken zone and doesn't feel the need to investigate further, but Arie calls upon his resources, connections, and vast knowledge of natural science to aid in an investigation and a manhunt that leads him all across the state of California.< Less
The Temblor of Diablo By James W. Cotton
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Arie Petrovich is a scientist and a writer for a popular nature journal. He is given an assignment to write an article about the new seismic monitoring system being installed in the San Francisco Bay... More > Area, but his project takes on a different angle when a major earthquake strikes the city of Walnut Creek, killing hundreds and leaving the two seismologists he was interviewing among the body count. Being a geologist, he notices that the damage and injuries were not exactly consistent with that caused by earthquakes. Local law enforcement is already overwhelmed with the task of maintaining order in the disaster stricken zone and doesn't feel the need to investigate further, but Arie calls upon his resources, connections, and vast knowledge of natural science to aid in an investigation and a manhunt that leads him all across the state of California.< Less