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신승목,김상규,장연수 동국대학교 대학원 1993 大學院硏究論集-東國大學校 大學院 Vol.23 No.-
본 논문에는 1991년 7월의 집중호우로 인해 많은 산사태가 발생한 용인·안성지역의 산사태 현장을 방문 조사를 실시한 결과를 토대로 우리나라의 산사태 발생요인과 파괴형상을 규명하였다. 표본지구의 지질암은 풍화된 편마암 및 편암이 주종을 이루고 주요 사면파괴형태는 평행활동파괴 및 토석류이었다. 평행활동파괴는 표토층이 1m내로 얕고 경사가 30˚이상인 사면의 산복부에서 발생한 반면 토석류는 대체로 길이가 길고 경사가 40˚~50˚로 급경사를 이루는 계곡부에서 발생하였는데 토석류발생이 시작된 산정상부에서는 소규모의 평행 또는 회전활동의 흔적이 발견되었다. 본 지역 식생의 뿌리 깊이는 표토의 두께와 거의 일치하고 파괴면도 표토와 기반암의 경계에서 발생하여 집중호우시 나무하중도 국내 지형 지질에서는 무시못할 요소이며 또한 큰 균열도 유수의 침투로를 제공하여 산사태 발생을 촉진시킨 것으로 판단되었다. This paper investigates the causes of the generation of domestic landslides and their representative failure shapes, based on the results of the reconnaissance of Youngin-Ansung region where enormous number of landslides occurred due to downpour in July, 1991. The geology of the site is mainly weathered schist and gneiss, and the representative failure patterns of the landslides are translational sliding and debris flow. The translational sliding failure is generated at the abdominal region of the mountain, of which the thickness of cover soil is less than 1m and its slope is greater than 30 degrees. On the other hand debris flow is generated in the valleys where their slopes are steep in between 40˚ and 55˚ and the travel distance of debris is quite long. At the summit area where debris flows were initiated, small sized translation or rotational failures were found. The thickness of the vegetation roots in the landslide area consists almost with that of the soil covers, and most failure planes are located at the boundary of cover soil and base rock. Hence, it can be recognized that the surcharge load due to vegetation accompanied with severe downpour can be a significant cause of domestic landslides. The macropores formed at these boundaries can also accelerate the initiation of landslides by accumulating the pore pressure in the pores.
신승목,장명희 한국해양대학교 세계해양발전연구소 2016 세계해양발전연구 Vol.25 No.-
Definition IoT(Internet of Things) is our around object connect to internet throughout sensor or network. Recently, like WiFi and LTE, all the network has been developed and downsizing of communication module installed mobile device is forecasting revolution of future industry. Potential of IoT and fast development of IT technology are facing to new phase and very useful at many different fields. There is a lot of effort to adopt IoT in many different fields through improving current technology. Especially, logistics industry adopt IoT very actively for example, DHL and Cisco have been published IoT Report together at DHL Global Technology Conference which was held at Dubai in April. The consulting service from DHL and Cisco perform an internet revolution project which progress warehousing work decision by realtime data analyzing based WiFi connected device. The purpose of this study is to analyze the “T” company’s RFID warehouse management system and to propose the warehouse management system based on the IoT. When Introduced IoT warehousing management system into “T” company, they could save time and experience improved efficiency with easy tracking. This research also described the required IT technology, related governor’s policies and IoT security policies to establish warehousing system which based IoT at ICT level for “T” company.