The study was undertaken to determine the magnitude of ground vibrations produced by traffic and/or construction blasting. An engineering seismograph was used to collect vibration data at highway traffic model sites, at elevated structure sites, heavy construction traffic sites, and traffic complaint sites. The most pronounced earth borne vibrations were found to be from heavy vehicles traveling on rough pavements at highway speeds within ten feet of the vibration source. Vibration was lowest on smooth pavements regardless of the speed and distance from the vibration source. Only 1.6 percent of the traffic model vector sum means exceeded the 0.2 in./sec. limiting velocity recommended in AASHTO R8-81. None of the elevated structure sites or construction site haul traffic gave earth borne vibration levels above AASHTO recommended guidelines. At the complaint sites, only one close measurement distance (31 feet) gave levels above 0.2 in./sec.
Investigation of Earth Borne Vibrations Due to Highway Traffic and/or Construction Blasting
1986
108 pages
Report
Keine Angabe
Englisch
Highway-Traffic-Induced Vibrations
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