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The purpose of this study is to secure an evacuation time and to ensure safety by using an Ubiquitous Sensor Network computing when a fire breaks out at a super high-rise apartment housing. A super high-rise apartment housing that is a type of building to solve the problem of separation of the urban function and the phenomenon of hollowing out downtown has been on the increase, high-rise apartment housings occupying 52.7% of whole housings in 2005. However, if a fire breaks out, there would be serious damage since it accommodates many people and facilities as existence of vertical gigantism in the city. The architectural law in force has no clause on it which is universally applicable to general building, it is difficult to be applicable to a densely super high-rise apartment housing and there would be in danger of a resident's evacuation in the fire. Therefore, as a previous study to introduce an USN-based fire-warning facility and evacuation equipment, this study shows the improvement way after analyzing factors that are barriers to evacuaee's behavior of a super high-rise apartment housing and also shows establishment of the grade of vertical evacuation rank by SimuleX, one of the best computer simulation program.
The For the last half a century, Korea has been experiencing rapid economic growth and industrialized development, however they cause serious problems that environmental pollution and energy shortage have appeared, and the biggest problem that Koreans are now confronted are required solutions throughout the world. At that time, Korea's energy consumption ranks 10th in the whole world. Among them, energy for buildings, about 25% of the total amount of energy consumed in Korea, is very serious. Especially, the energy consumption of school buildings, which have a heating & cooling system according to improvements of the educational environment, is rapidly increasing. These features are explicit in the University, Because it has lots of colleges and facilities for lecture, experiment, and research. In this paper, the energy consumption of Kyungpook National University which is at Daegu, Korea was investigated. This study attempts to appoint the place which is one of University and to investigate the characteristics of energy consumption like electricity, gas, oil. Using the investigation results, we can obtain the overall trend of energy consumption of the university and provide important data basis to guide rebuild and extend construction of school in the future.
A disaster, such as fire and collapse, occurs without warning, which causes loss of valuable life and property. Recording calamities mainly aims for the prevention of recurrence of these misfortunes and the establishment of the system to retrieve them. Records of disasters must include openness, reliability, comprehensiveness, and professionalism, but almost all the white books published in Korea don"t meet the qualifications. In case of the investigation report on the internationally representative collapse of WTC(World Trade Center), the investigating items were categorized into 7, and the disaster was examined and recorded led by experts of each area. A guideline about designing, construction and maintenance of buildings was developed through the investigation conducted for 4 years, which has enhanced resistibility against disasters. I also carried out lots of experiments for evacuation while recording a white book about the subway disaster in Daegu. At that time, there were few domestic researches on emergency evacuation in underground space, and regarding the simulation program to predict evacuation, there were only foreign ones and it was impracticable to apply them to Korean situation. Accordingly, the grounds for the revision of the regulations related to disasters were presented based on the results of the experiments conducted in my laboratory, and currently the target areas have been extended and the study on evacuation in many different fields is ongoing. Recording is necessary to overcome the limitation of human memory. Numerous disasters have already slipped from memory, and similar misfortunes are occurring again and again. Therefore, the organizations and individuals recording disasters should analyze them from an accurate and objective view point, the records must contribute to the improvement of laws and facilities rather than remain just as records, and safety education also needs to be emphasized.
Korea is a country with an exceptionally high energy consumption. For economic reasons, Korean households are forced to save more energy. Korea's household energy consumption has grown slowly compared to other sectors and household energy consumption per capita is lower than the OECD average. However, its per capita electricity consumption soared and is expected to remain climbing mainly due to the increasing number of one-person households. To establish an effective strategy against a possible electricity shortage, the actual condition survey of electricity energy consumption first needs to be clearly understood. This study adopted both a general survey and a detailed survey of people living in apartment housings and data was collected on electrical appliance use according to individual schedules. Based on these data, the results were used to attempt to analyze electricity consumption patterns resulting from energy using activities of residents and to determine electricity consumption propensity according to each household member's characteristics in apartment housings.
Ultra-precision machining technology is the essential core technology in today's micro-electronics and electro-optical industries. The needs for processing systems to manufacture products to nanometer(nm) accuracy and sub-nanometer resolutions are increased recently. By using ion beam, it is possible to fabricate ultra-precision and ultra-fine products with nm accuracy and sub-nm resolution. In this paper, the basic research trends of ultra precision machining technology in domestic are surveyed, and the ways to reach to the world-leading level of basic research capabilities in the field of ultra-precision machining technology in domestic is suggested.
Recently, there have been frequent occurrence of the damage to lives and properties due to the torrential rain caused by climate change. In consideration of the current situations in which the underlying data related to flooding are lacking, this study conducted to build up the basic data on the flooded areas and suggested methods to secure the evacuation routes that can be accessible to evacuation facilities in the residential buildings. Methods of the study are as follows. First, We calculated the flood risk grades of residential buildings based on elevations, considering the flooding characteristics of the flooded areas in Buk-gu, Daegu. Second, We constructed baseline data on the evacuation routes through site investigation and reviewed of drawing using Arc GIS to identify vulnerability to access to the evacuation facilities, targeting the residential buildings. Third, We carried out the proximity analysis through a near analysis of analysis functions in ARC GIS. Forth, We deduced 115 residential buildings in which access to evacuation facilities is considered to be difficult based on the analysis results. Finally, We proposed extension of a blind alley as a means for achieving connectivity to evacuation facilities. And to evaluate the alternatives presented, we reconstructed route data. As a result, about 53% improvement was identified through the proximity analysis.