{"title":"Managing Information for Winter Road Maintenance (PartIII)","authors":"F. Hara","doi":"10.4106/JSSE.19.150","DOIUrl":"https://doi.org/10.4106/JSSE.19.150","url":null,"abstract":"","PeriodicalId":199097,"journal":{"name":"Journal of Snow Engineering of Japan","volume":"323 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131702806","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}
{"title":"Obstructions to Winter Fire Fighting in Hokkaido","authors":"Naoaki Ohgaki, Kazuhiko Hosokawa","doi":"10.4106/JSSE.19.111","DOIUrl":"https://doi.org/10.4106/JSSE.19.111","url":null,"abstract":"","PeriodicalId":199097,"journal":{"name":"Journal of Snow Engineering of Japan","volume":"531 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124510769","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}
Junichi Niiyama, H. Matsuda, S. Iikura, K. Kawashima, Toshishige Fujii
SYNOPSIS The authors discussed the existing method to evaluate the avalanche risk for Hokuriku Shinkansen, and specified its meanings from the engineering viewpoint. In the method, the avalanche risk was determined qualitatively as the product of starting risk and the risk to reach the site under consideration. However, the meaning of the calculated avalanche risk was not defined in qualitative terms. In order to take measures against the avalanche for Tohoku Shinkansen from Morioka to Hachinohe at the entrance of each mountain tunnel, the risk was first evaluated by using the same method as that for Hokuriku Shinkansen. Second, the resistance to the expected avalanche load was discussed with special attention paid to the existing structures, such as buffering works to minimize the effect of micro-pressure waves. Consequently, the avalanche resistance of the existing structures was found to be approximately 20kN/m2. Furthermore, avalanches with a load of not less than 20 kN/m2 may occur at slopes whose avalanche risk was greater than 70%.
{"title":"Engineering Evaluation for Avalanche Risk Along the Tohoku Shinkansen Between Morioka and Hachinohe","authors":"Junichi Niiyama, H. Matsuda, S. Iikura, K. Kawashima, Toshishige Fujii","doi":"10.4106/JSSE.19.91","DOIUrl":"https://doi.org/10.4106/JSSE.19.91","url":null,"abstract":"SYNOPSIS The authors discussed the existing method to evaluate the avalanche risk for Hokuriku Shinkansen, and specified its meanings from the engineering viewpoint. In the method, the avalanche risk was determined qualitatively as the product of starting risk and the risk to reach the site under consideration. However, the meaning of the calculated avalanche risk was not defined in qualitative terms. In order to take measures against the avalanche for Tohoku Shinkansen from Morioka to Hachinohe at the entrance of each mountain tunnel, the risk was first evaluated by using the same method as that for Hokuriku Shinkansen. Second, the resistance to the expected avalanche load was discussed with special attention paid to the existing structures, such as buffering works to minimize the effect of micro-pressure waves. Consequently, the avalanche resistance of the existing structures was found to be approximately 20kN/m2. Furthermore, avalanches with a load of not less than 20 kN/m2 may occur at slopes whose avalanche risk was greater than 70%.","PeriodicalId":199097,"journal":{"name":"Journal of Snow Engineering of Japan","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128182975","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}
{"title":"Aging of the Snowy Areas and Problem of Disaster Prevention","authors":"Natsuo Numano","doi":"10.4106/JSSE.19.112","DOIUrl":"https://doi.org/10.4106/JSSE.19.112","url":null,"abstract":"","PeriodicalId":199097,"journal":{"name":"Journal of Snow Engineering of Japan","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116127030","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}
{"title":"Study on Making Community for Earthquake Disaster Mitigation in Heavy Snowfall Region Having Rushed into Ultra-aging Society","authors":"M. Kitaura","doi":"10.4106/JSSE.19.107","DOIUrl":"https://doi.org/10.4106/JSSE.19.107","url":null,"abstract":"","PeriodicalId":199097,"journal":{"name":"Journal of Snow Engineering of Japan","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127246355","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}
Y. Hamada, Makoto Nakamura, Hisashi Saitoh, Kohsuke Oie, H. Kubota, S. Yokoyama, Kiyoshi Ochifuji
This paper describes field experiments and evaluation on a snow melting system by using underground thermal energy in order to verify its energy saving performance. Firstly, experiments on a snow melting tank with a vertical earth heat exchanger which is 30m in depth were made and it was found that the heat extraction rate from the underground reached approximately 1.4kW. Secondly, an evaluation program on the snow melting system was developed, and the program was verified to give good predictions on the system performance.As a result of system simulations on a snow melting area, a length of the vertical earth heat exchanger and the tank volume, it was clarified that the energy consumption and CO2 emissions were greatly reduced comparing with conventional snow melting systems.
{"title":"Field Experiments and Evaluation on a Snow Melting Tank by using Underground Thermal Energy in N-cho Hokkaido","authors":"Y. Hamada, Makoto Nakamura, Hisashi Saitoh, Kohsuke Oie, H. Kubota, S. Yokoyama, Kiyoshi Ochifuji","doi":"10.4106/JSSE.19.81","DOIUrl":"https://doi.org/10.4106/JSSE.19.81","url":null,"abstract":"This paper describes field experiments and evaluation on a snow melting system by using underground thermal energy in order to verify its energy saving performance. Firstly, experiments on a snow melting tank with a vertical earth heat exchanger which is 30m in depth were made and it was found that the heat extraction rate from the underground reached approximately 1.4kW. Secondly, an evaluation program on the snow melting system was developed, and the program was verified to give good predictions on the system performance.As a result of system simulations on a snow melting area, a length of the vertical earth heat exchanger and the tank volume, it was clarified that the energy consumption and CO2 emissions were greatly reduced comparing with conventional snow melting systems.","PeriodicalId":199097,"journal":{"name":"Journal of Snow Engineering of Japan","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121181018","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}
{"title":"Growth of Detached Houses in HOKKAIDO and Their Problems","authors":"Naoaki Ohgaki","doi":"10.4106/JSSE.18.4_317","DOIUrl":"https://doi.org/10.4106/JSSE.18.4_317","url":null,"abstract":"","PeriodicalId":199097,"journal":{"name":"Journal of Snow Engineering of Japan","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124631062","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：