Ground Motion (Seismicity): Difference between revisions
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“Although earthquake forces are considered in the design of structures, data obtained from instrumentation during earthquakes have indicated significantly different results when compared to those anticipated in design. Instrumentation should be installed in regions of significant [[seismic]] activity to measure ground motion, hydrodynamic water pressures, and response of concrete dams and intake towers 100 | “Although earthquake forces are considered in the design of structures, data obtained from instrumentation during earthquakes have indicated significantly different results when compared to those anticipated in design. Instrumentation should be installed in regions of significant [[seismic]] activity to measure ground motion, hydrodynamic water pressures, and response of concrete dams and intake towers 100 feet or more in height. Also, seismic instrumentation may be desired at other locations where the structure and seismic activity are unusual. Each project should be instrumented to suit the particular structure, geologic and seismic condition”.<ref name="EM 1110-2-4300">[[Instrumentation for Concrete Structures (EM 1110-2-4300)| Instrumentation for Concrete Structures (EM 1110-2-4300), USACE, 1987]]</ref> | ||
“Instruments used to obtain a seismic data are strong-motion accelerometers, peak recording accelerometers, hydrodynamic pressure gages, and seismoscopes”.<ref name="EM 1110-2-4300" /> | “Instruments used to obtain a seismic data are strong-motion accelerometers, peak recording accelerometers, hydrodynamic pressure gages, and seismoscopes”.<ref name="EM 1110-2-4300" /> | ||
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==Best Practices Resources== | ==Best Practices Resources== | ||
{{Document Icon}} [[Instrumentation for Concrete Structures (EM 1110-2-4300)|Instrumentation for Concrete Structures (EM 1110-2-4300) (U.S. Army Corps of Engineers)]] | {{Document Icon}} [[Instrumentation for Concrete Structures (EM 1110-2-4300)|Instrumentation for Concrete Structures (EM 1110-2-4300) (U.S. Army Corps of Engineers)]] | ||
{{Website Icon}} [https://earthquake.usgs.gov/data/shakealert/ USGS ShakeAlert® Earthquake Early Warning System] | |||
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Latest revision as of 19:03, 17 March 2023
“Although earthquake forces are considered in the design of structures, data obtained from instrumentation during earthquakes have indicated significantly different results when compared to those anticipated in design. Instrumentation should be installed in regions of significant seismic activity to measure ground motion, hydrodynamic water pressures, and response of concrete dams and intake towers 100 feet or more in height. Also, seismic instrumentation may be desired at other locations where the structure and seismic activity are unusual. Each project should be instrumented to suit the particular structure, geologic and seismic condition”.[1]
“Instruments used to obtain a seismic data are strong-motion accelerometers, peak recording accelerometers, hydrodynamic pressure gages, and seismoscopes”.[1]
Best Practices Resources
Instrumentation for Concrete Structures (EM 1110-2-4300) (U.S. Army Corps of Engineers)
USGS ShakeAlert® Earthquake Early Warning System
Citations:
Revision ID: 6700
Revision Date: 03/17/2023