Real-Time Strong Motion Network With Structural Monitoring Function in Ulaanbaatar, Mongolia

Abstract eng:
( The! realEtime! strong! motion! network! is! under! construction! covering! different! soil! conditions! in! metropolitan! area! Ulaanbaatar!city,!Mongolia.!The!network!has!already!started!to!operate!with!its!first!7!sites!and!planned!to!be!completed! with!at!least!more!of!16!sites.!Additionally,!at!present!2!buildings!are!equipped!with!strong!motion!instruments!dedicated! to!the!onEline!structural!health!monitoring.!Both!efforts,!to!construct!strong!motion!network!for!metropolitan!area!and!to! build!structural!health!monitoring!system!are!pioneer!in!Mongolia.!In!fact,!the!Mongolia!known!as!seismic!prone!country!as! number!of!great!earthquakes!were!occurred!in!the!20th!century.!The!most!four!major!continental!earthquakes!of!magnitude! 8! and! above! (TsesterlegE1905! Mw=7.9,! BolnayE1905! Mw=8.3,! Fu! YunE1931! Mw! 8.0! and! GobiEAltayE1957! Mw=8.1)! strike! Mongolia!and!formed!180!to!400!km!long!spectacular!ruptures!on!earth!surface.!Today,!some!recent!weak!motion!seismic! network! observation! raises! strong! concerns! on! seismic! activity! around! Ulaanbaatar.! Newly! built! strong! motion! network! provides!realEtime!ground!motion!data!from!micro!tremor!to!strong!motion.!Effective!use!of!accurate!strong!motion!data!is! crucially! important! to! scientific! and! engineering! use! for! Mongolia.! In! the! meantime,! it! enables! ability! to! generate! information!to!public!such!as!shake!map.!Initiative!of!development!of!the!structural!health!monitoring!study!for!structural! response!assessment!and!real!time!detection!of!structural!damage!in!Mongolia,!as!well!as!its!integration!of!strong!motion! network!is!one!of!the!meaningful!task!within!the!project.!Based!on!reliable!operation!of!the!strong!motion!network!and! SHM! systems,! earthquake! disaster! mitigation! applications! in! taking! account! of! the! regional! distinctive! earthquake! environment!will!hopefully!be!developed.!! !

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