Seiki Murakami, M. Kubo, Masashi Matsumoto, Y. Okochi
{"title":"STUDY ON THE EFFECT OF DEFORMATION CONTROL FOR EMBANKMENT DURING LIQUEFACTION BY USING GEOSYNTHETIC SANDWICHED BETWEEN GRAVEL","authors":"Seiki Murakami, M. Kubo, Masashi Matsumoto, Y. Okochi","doi":"10.5030/JCIGSJOURNAL.25.133","DOIUrl":null,"url":null,"abstract":"液状化時における盛土の変形抑制を目的とした,ジオシンセティックを砕石で挟み込んで盛土底部に敷設するタイプの対策工法について検討した.1)無対策,2)ジオシンセティックのみを敷設,3)砕石で挟み込んだジオシンセティックを敷設の3ケースについて,Dr=50%の硅砂7号で作製した地盤を液状化層とする動的遠心模型実験を実施した. その結果,無対策盛土で生じた最終沈下に対する変形抑制効果は2)で85%,3)では65%であった.法尻変位に関しては2),3)ともに変形抑制効果が高い.また,実験を行ったケースに関してUWLC(動的有効応力)解析でシミュレーションを実施し,沈下抑制効果に関しては比較的よく表現できることがわかった.","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5030/JCIGSJOURNAL.25.133","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}