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EXAMINING SEPARATION DISTANCE BETWEEN MOUND-TYPE TSUNAMI EVACUATION FACILITY (INOCHIYAMA) AND SURROUNDING HOUSES 检查土丘型海啸疏散设施与周围房屋之间的距离
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_443
Naoki Seo, K. Harada, Takeshi Kinpara, S. Kazama
{"title":"EXAMINING SEPARATION DISTANCE BETWEEN MOUND-TYPE TSUNAMI EVACUATION FACILITY (INOCHIYAMA) AND SURROUNDING HOUSES","authors":"Naoki Seo, K. Harada, Takeshi Kinpara, S. Kazama","doi":"10.2208/journalofjsce.10.1_443","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_443","url":null,"abstract":"","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68175917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NUMERICAL INVESTIGATION OF ELONGATED BUBBLE CHARACTERISTICS AND PRESSURE FLUCTUATIONS IN HORIZONTAL AIR–WATER TWO-PHASE SLUG FLOW 水平气-水两相段塞流中细长泡特性及压力波动的数值研究
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_479
Takahiro Sato, Kazuyuki Ota, H. Nakagawa
{"title":"NUMERICAL INVESTIGATION OF ELONGATED BUBBLE CHARACTERISTICS AND PRESSURE FLUCTUATIONS IN HORIZONTAL AIR–WATER TWO-PHASE SLUG FLOW","authors":"Takahiro Sato, Kazuyuki Ota, H. Nakagawa","doi":"10.2208/journalofjsce.10.1_479","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_479","url":null,"abstract":"","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68175597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A STUDY ON A RISK ASSESSMENT METHOD TO EVALUATE SMALL-SCALE SEDIMENT INFLOWS ON RAILROAD TRACKS 铁路轨道小尺度冲沙风险评价方法研究
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_348
T. Mori, Masataka Fujii, T. Sugiyama, Y. Satofuka
{"title":"A STUDY ON A RISK ASSESSMENT METHOD TO EVALUATE SMALL-SCALE SEDIMENT INFLOWS ON RAILROAD TRACKS","authors":"T. Mori, Masataka Fujii, T. Sugiyama, Y. Satofuka","doi":"10.2208/journalofjsce.10.1_348","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_348","url":null,"abstract":"","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68176044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INVESTIGATION OF THE CHARACTERISTICS OF FLOOD INUNDATION CAUSED BY THE HEAVY RAIN OF TYPHOON NO. 19 IN THE FIRST YEAR OF REIWA 台风1号强降雨引起的洪水淹没特征调查。立和元年十九岁
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_102
Mirei Shige-eda, J. Akiyama, A. C. Duran, Ryo Kanaya, Yuuki Katsura
{"title":"INVESTIGATION OF THE CHARACTERISTICS OF FLOOD INUNDATION CAUSED BY THE HEAVY RAIN OF TYPHOON NO. 19 IN THE FIRST YEAR OF REIWA","authors":"Mirei Shige-eda, J. Akiyama, A. C. Duran, Ryo Kanaya, Yuuki Katsura","doi":"10.2208/journalofjsce.10.1_102","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_102","url":null,"abstract":"","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68174827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NUMERICAL STUDY OF EARTH PRESSURE ACTING ON SEMI-UNDERGROUND STRUCTURES DURING AND AFTER EARTHQUAKES 地震时及震后作用于半地下结构的土压力数值研究
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_111
Toru Igarashi, S. Sawada, H. Goto
{"title":"NUMERICAL STUDY OF EARTH PRESSURE ACTING ON SEMI-UNDERGROUND STRUCTURES DURING AND AFTER EARTHQUAKES","authors":"Toru Igarashi, S. Sawada, H. Goto","doi":"10.2208/journalofjsce.10.1_111","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_111","url":null,"abstract":"Semi-underground structures are often constructed for storing water. Most parts of their bodies are placed underground and the roofs are covered with thin or no soil layers. The current earthquake design standard for semi-underground structures mainly considers the earth pressure, which is proportional to ground acceleration and displacement. Detailed mechanisms of active and passive earth pressures are not considered in the current design method. In this paper, we study the dynamic interaction mechanism between ground and side wall of semi-underground structures during earthquakes based on FEM analysis. Earth pressures during and after the earthquake, which result from shear-failures in the surrounding soil, are especially examined. The results show that effects of soil failure enlarge the earth pressure. Passive earth pressure only acts on the shallow part of the wall, whereas active earth pressure acts on the deeper part as well, during earthquake. The residual earth pressure acts after earthquake, which is intermediate between the maximum and minimum values during earthquake.","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68174837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NUMERICAL INVESTIGATION OF THREE-DIMENSIONAL FLOW STRUCTURES AND TURBULENCE ENERGY DISTRIBUTIONS IN BANK EROSION REACHES DURING LARGE FLOOD EVENTS 大洪水期间河岸侵蚀河段三维流动结构及湍流能量分布的数值研究
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_136
Fumiya Yagi, T. Uchida, Y. Kawahara
{"title":"NUMERICAL INVESTIGATION OF THREE-DIMENSIONAL FLOW STRUCTURES AND TURBULENCE ENERGY DISTRIBUTIONS IN BANK EROSION REACHES DURING LARGE FLOOD EVENTS","authors":"Fumiya Yagi, T. Uchida, Y. Kawahara","doi":"10.2208/journalofjsce.10.1_136","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_136","url":null,"abstract":"","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68174846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RESERVOIR OPERATION AGAINST LARGE-SCALE FLOODS DUE TO TYPHOON HAGIBIS AND APPLICABILITY OF ENSEMBLE FORECAST TO PRELIMINARY RELEASE 台风海贝大洪水水库调度及集合预报对初放的适用性
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_275
D. Nohara, T. Sumi
{"title":"RESERVOIR OPERATION AGAINST LARGE-SCALE FLOODS DUE TO TYPHOON HAGIBIS AND APPLICABILITY OF ENSEMBLE FORECAST TO PRELIMINARY RELEASE","authors":"D. Nohara, T. Sumi","doi":"10.2208/journalofjsce.10.1_275","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_275","url":null,"abstract":"","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68175967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
ALTERNATIVE FORMULATION OF PLASTIC FLOW RULE USING YIELD FUNCTION 塑性流动规律的屈服函数替代公式
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_381
M. Hori, H. Motoyama
{"title":"ALTERNATIVE FORMULATION OF PLASTIC FLOW RULE USING YIELD FUNCTION","authors":"M. Hori, H. Motoyama","doi":"10.2208/journalofjsce.10.1_381","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_381","url":null,"abstract":"","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68175542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
RIVER FLOW INVERSE ANALYSIS AND DATA ASSIMILATION 河流流量逆分析与资料同化
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_430
Ryota Nishiguchi, Shunsuke Tagata, Kentaro Kageyama, N. Izumi, M. Sekine
{"title":"RIVER FLOW INVERSE ANALYSIS AND DATA ASSIMILATION","authors":"Ryota Nishiguchi, Shunsuke Tagata, Kentaro Kageyama, N. Izumi, M. Sekine","doi":"10.2208/journalofjsce.10.1_430","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_430","url":null,"abstract":"","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68175908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DEVELOPMENT OF MUD-CRUSHING METHODS FOR FARMLAND-DERIVED CLAYEY SOIL AND THEIR APPLICATION TO PARTICLE-SIZE SEPARATION FOR DECONTAMINATION OF CESIUM-CONTAMINATED SOIL 农田粘土泥破碎方法的发展及其在铯污染土壤粒径分离中的应用
Journal of Japan Society of Civil Engineers Pub Date : 2022-01-01 DOI: 10.2208/journalofjsce.10.1_182
Kazuhiko Miura, Hiroshi Tsujimoto, E. Kusaka
{"title":"DEVELOPMENT OF MUD-CRUSHING METHODS FOR FARMLAND-DERIVED CLAYEY SOIL AND THEIR APPLICATION TO PARTICLE-SIZE SEPARATION FOR DECONTAMINATION OF CESIUM-CONTAMINATED SOIL","authors":"Kazuhiko Miura, Hiroshi Tsujimoto, E. Kusaka","doi":"10.2208/journalofjsce.10.1_182","DOIUrl":"https://doi.org/10.2208/journalofjsce.10.1_182","url":null,"abstract":"The volume of radioactive cesium-contaminated soil being removed during the cleanup process after the explosion of Fukushima nuclear power plant 1 is estimated to be 13 million m 3 . Soil contaminated with more than 20,000 Bq/kg of radioactivity is targeted for decontamination by the particle-size separation method to pass the criteria for reuse in Japan. Because more than 80% of the targeted soil is composed of fine silt and clay derived from farmland, a system was developed to increase the amount of recyclable soil by a combination of mud crushing and fine-particle separation with the classification point set lower than about 20  m. Mud crushing is one of the key technologies for effective decontamination because clay forms aggregates due to the presence of organics such as humus. Four types of mud-crushing equipment were examined on site, followed by pebble milling or ultrasonic dispersion, both of which showed promising results. Using the selected equipment, the proposed soil-size separation was carried out. Overall, the proposed system was proven effective by the results of radioactivity reduction ratio and volume of soil for recycling. Furthermore, lab-scale pebble mill tests using a pot-type wet mill were carried out to confirm the basic characteristics of mud crushing for organic","PeriodicalId":52233,"journal":{"name":"Journal of Japan Society of Civil Engineers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68174912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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