Akihiko Oshima, Y. Hayashi, T. Hamada, Mari Kasugai
{"title":"大阪和歌山平原地下水降压液化预测及对策","authors":"Akihiko Oshima, Y. Hayashi, T. Hamada, Mari Kasugai","doi":"10.2472/JSMS.63.614","DOIUrl":null,"url":null,"abstract":"The influence of groundwater rising for the liquefaction potential in Osaka and Wakayama plains was examined using GIS in which a digital database of underground information provided by Kansai Geo-informatics Database was introduced. The detailed geotechnical properties were calculated and given to Holocene sandy and clayey deposits that are representative value in each digital mesh of 250m × 250m areas. Then, liquefaction safety assessments were carried out by estimating pumping possible quantity of Holocene sandy deposits and considering negative effect of them against consolidation settlement problem that will occur in Holocene clayey deposits underneath. The efficacy of groundwater lowering method against liquefaction of Holocene sandy deposits was verified.","PeriodicalId":17366,"journal":{"name":"journal of the Japan Society for Testing Materials","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Prediction of Liquefaction and Countermeasure due to Groundwater Lowering Method in Osaka and Wakayama Plains\",\"authors\":\"Akihiko Oshima, Y. Hayashi, T. Hamada, Mari Kasugai\",\"doi\":\"10.2472/JSMS.63.614\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The influence of groundwater rising for the liquefaction potential in Osaka and Wakayama plains was examined using GIS in which a digital database of underground information provided by Kansai Geo-informatics Database was introduced. The detailed geotechnical properties were calculated and given to Holocene sandy and clayey deposits that are representative value in each digital mesh of 250m × 250m areas. Then, liquefaction safety assessments were carried out by estimating pumping possible quantity of Holocene sandy deposits and considering negative effect of them against consolidation settlement problem that will occur in Holocene clayey deposits underneath. The efficacy of groundwater lowering method against liquefaction of Holocene sandy deposits was verified.\",\"PeriodicalId\":17366,\"journal\":{\"name\":\"journal of the Japan Society for Testing Materials\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"journal of the Japan Society for Testing Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2472/JSMS.63.614\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"journal of the Japan Society for Testing Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2472/JSMS.63.614","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Prediction of Liquefaction and Countermeasure due to Groundwater Lowering Method in Osaka and Wakayama Plains
The influence of groundwater rising for the liquefaction potential in Osaka and Wakayama plains was examined using GIS in which a digital database of underground information provided by Kansai Geo-informatics Database was introduced. The detailed geotechnical properties were calculated and given to Holocene sandy and clayey deposits that are representative value in each digital mesh of 250m × 250m areas. Then, liquefaction safety assessments were carried out by estimating pumping possible quantity of Holocene sandy deposits and considering negative effect of them against consolidation settlement problem that will occur in Holocene clayey deposits underneath. The efficacy of groundwater lowering method against liquefaction of Holocene sandy deposits was verified.
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