某高烈度设防地区粉矿仓的结构隔震设计

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中图分类号：TU223 文献标志码：B 文章编号：1004-4345（2025）04-0047-05

AbstractToaddressthechalenges indesigningfineorebinstructuresonslopingsitesinhigh-intensityseismicregions， seismicisolationtechnologywasstudiedtoimprovetheirseismicprformance.Takingafinorebinprojectonaslopeinan8-degree seismiczoneasanexample，aseismcisolationlayerwasimplementedusinglead-rubberbearings，andboth isolatedandnonisolated structuralmodelswereestablishedfortime-historyanalysis.Theresultsshowthatafterestablishingtheisolationsystem，the fundamentalperidofthestructurewas extendedfromO.169sto2.09s，significantlyexceedingthesitecharactersticperiod（0.25s）， greatly reducing seismic effects.The consumption of reinforced concrete was reduced by approximately 23% ，and the lower frame structurefacilitedmetingprocessequirementsforopeningsVerficationoftheisolationlayer（includingecentricity，wind resistance，andminimumseismicforce）aswellasstressaddisplacementof thebearingsallmetcoderequirements.Teonclusion indicatesthatseismicisolationdesignefectivelyenhancestheseismicperformanceoffineorebinsinhighintensityregins，saves materials，and optimizes structural layout.

Keywordsigtensityseismicfortificationregion;feorebin;seismicsolationdesign;leadrubberbarings;tructuralaalyis

粉矿仓是矿山选矿工艺中的关键设施，其通常采用圆筒仓型结构，具有筒体直径大、高度高、仓储容积大的特点。（剩余5272字）