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小布施町を対象とした中規模区分断層における地震被害想定
No full textAlthough the national government and Nagano prefecture have estimated earthquake damage of M7 class or higher, no estimation of earthquake damage of M6 class has been made yet. Therefore, in this study, for the purpose of enlightening the regional disaster prevention of Obuse Town, it is assumed that a medium-scale earthquake equivalent to M6.5 will occur in the Shinanogawa fault and the most dangerous fault section will be identified. In addition to the seismic intensity distribution on the ground surface, he total number of full and half-destroyed wooden and non-wooden structures in the town, the number of casualties, and the damage to road structures are predicted.application/pdfdepartmental bulletin pape
オートクレーブ法によるAl₂O₃‐CFRP‐金属積層複合材料の作製と機械的特性評価
No full textIn order to improve toughness of Al₂O₃ ceramic, CFRP and metal were laminated on Al₂O₃ ceramic plate by the autoclave technique. The metal used in this study included Al, Ti, D2052 (damping alloy: Mn-Cu-Ni-Fe) and SUS304 plates, and perforated SUS304 plates with various hole diameters. The laminated composites were characterized by bulk density measurement, 3-point flexural and Charpy impact tests. As a result of flexural and impact tests, the specific flexural strength of Ti-CFRP-Al₂O₃-CFRP-Ti and the specific Charpy impact strength of Al-CFRP-Al₂O₃-CFRP-Al reached 0.133 MPa/(kg/m³) and 26.3(J/m²) /(kg/m³), which were 1.40 and 22.1 times higher than those of monolithic Al₂O₃, respectively.application/pdfdepartmental bulletin pape
自動車交通シミュレーションによる駐車場選択行動ならびに交通混雑度評価手法の検討
No full textIn Obuse Town, national route 403 is crowded on Saturdays, Sundays, and during the tourist season. According to the survey, the degree of congestion from the Murayama Obuse stop line was 1.05. The vehicle traffic is exceeding traffic capacity, especially at intersections in the center of town, with large bus operations and vehicles waiting for parking being a contributing factor. Therefore, this study uses the micro traffic imulation software Vissim to check congestion caused by ente ring and exiting parking lots, reproduce the movement of vehicles and pedestrians, and study traffic control ethods. In addition, we will assume the influx of large buses and other vehicles, and aim to present the impact and appropriate guidance methods.application/pdfdepartmental bulletin pape
居住人口分布に対する用途近接性を考慮した生活利便施設へのアクセス性の検証-長野市立地適正化計画を対象として-
No full textIn recent years, the urban area has been extensively developed in many regional cities, and the population density has declined. There is a concern that the decline of the region will progress since they can’t maintain living and economic activities. In this study, we focused on residence attraction area of Nagano city. To verify the accessibility to living convenience facilities for resident population distribution, we examined relationship between the accessibility to the urban function facility, distribution of residential areas in the city and activity level for each age group. We classified all subjects into three age groups and compared the results of each. In this study, based on a case of Nagano city, construct a trip linear regression model ncluding composition factor of population density and usage accessibility with facility locations, travel time.application/pdfdepartmental bulletin pape
呉の金陵府と南唐の西都江寧府
No full textThis paper is a study of Jiangning Fu, the capital of Southern Tang, the predecessor of present-day Nanjing City. I thought it was rebuilt as a military base for the Navy at the end of the Tang dynasty. The change in the Yangtze River was closely related to the construction of the city. I considered the process of transitioning from the Kingdom of Wu to the Southern Tang dynasty and the problems of building this city. Finally, we positioned this city in the history of the Chinese capital.application/pdfdepartmental bulletin pape
18世紀ドイツにおけるニュートンの運動法則Ⅱの受容
No full textIt is often said that Newton’s Law II was neglected in 18th century Germany. In fact, also Kant’s law of mechanics lacked Law II. Exactly, however, the theories of laws of motion were so various that we cannot conclude that Law II was nowhere formulated at that time. Especially, many natural philosophers who belong to Newtonian eclectics re-formulated Law II in their own ways. Their explanation of Law II was different from Newtonian mechanics today because they assumed the case where the motion is communicated by the force, which is proportional to “mv” (rather than “ma”), in the collision of two bodies. Given this, to investigate Kant’s theory of mechanics, it is inevitable to consider the textbooks by Newtonian eclectics.application/pdfdepartmental bulletin pape
ホットプレス法によるSiC/VGCF短繊維強化複合セラミックス焼結体の作製と特性 ‐VGCF均一分散溶液の選定と複合体特性評価‐
No full textA composite was hot-pressed by adding 3.23 mass% of short fiber VGCF (vapor phase carbon nano-fiber) having a diameter of about 0.15 μm to SiC ceramics. VGCF was present at the grain boundaries of SiC while maintaining the fiber shape in the composite. By dispersing VGCF with SiC using an aqueous agar solution, the mechanical and electrical characteristics could be improved. Compared with the case where VGCF was not added, the bending strength, the fracture toughness and the lectrical conductivity were improved by about 1.92 times, 1.46 times and 400 times, respectively.application/pdfdepartmental bulletin pape