Title of article
Vibrationtestsonpile-groupfoundationsusinglarge-scaleblastexcitationOriginalResearchArticle
Author/Authors
HideoTanaka، نويسنده , , KatsuichirouHijikata، نويسنده , , TakayukiHashimoto، نويسنده , , KazushigeFujiwara، نويسنده , , OsamuKontani، نويسنده , , YujiMiyamoto، نويسنده , , AtsushiSuzuki، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
12
From page
2087
To page
2098
Abstract
Extensivevibrationtestshavebeenperformedonpile-supportedstructuresatalarge-scaleminingsite.Groundmotionsinducedbylarge-scaleblastingoperationswereusedasexcitationforcesforvibrationtests.Themainobjectiveofthisresearchistoinvestigatethedynamicbehaviorofpile-supportedstructures,inparticular,pile-groupeffects.
Twoteststructureswereconstructedinanexcavated4mdeeppit.Onestructurehad25steeltubularpilesandtheotherhad4piles.Thesuper-structureswereexactlythesame.Thetestpitwasbackfilledwithsandofappropriategrainsizedistributionsinordertoobtaingoodcompaction,especiallybetweenthe25piles.Accelerationsweremeasuredatthestructures,inthetestpitandintheadjacentfreefield,andpilestrainsweremeasured.
Thevibrationtestswereperformedsixtimeswithdifferentlevelsofinputmotions.Themaximumhorizontalaccelerationrecordedattheadjacentgroundsurfacevariedfrom57cm/s2to1683cm/s2accordingtothedistancesbetweenthetestsiteandtheblastareas.Maximumstrainswere13,400micro-strainswererecordedatthepiletopofthe4-pilestructure,whichmeansthatthesepilesweresubjectedtoyielding.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
895930
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