• 제목/요약/키워드: interior damage

검색결과 150건 처리시간 0.025초

해양환경손해 국제배상제도에 관한 비교연구 (A Comparative Study on International Compensation System for Marine Environment Damage)

  • 조동오
    • 해양환경안전학회지
    • /
    • 제8권2호
    • /
    • pp.29-37
    • /
    • 2002
  • Since the case of ″Ohio u. The United States, Department of the Interior″, claims for marine environment damage caused by oil pollution have been Increased in the United States. Also European countries have suggested in the Executive Committee of 10pc Fund that 10pc Fund should accept claims for marine environment and several claims for marine environment damage were made to 10pc Fund, but all of which were rejected. In this study, compensation system for marine environment damage caused by oil pollution in the United States and the 10pc Fund were comparatively analyzed and several policy recommendations were suggested.

  • PDF

기존 저층 필로티 건물의 스펙트럼 변위 기반 손상도 기준 개선 (Improvement of Spectral Displacement-Based Damage State Criteria of Existing Low-Rise, Piloti-Type Buildings)

  • 김태완
    • 한국지진공학회논문집
    • /
    • 제25권5호
    • /
    • pp.201-211
    • /
    • 2021
  • The Ministry of the Interior and Safety in Korea developed seismic fragility function for various building types in 2009. Damage states for most building types were determined by structural analyses of sample models and foreign references because actual cases damaged by earthquakes rarely exist in Korea. Low-rise, piloti-type buildings showed severe damage by brittle failure in columns due to insufficient stirrup details in the 2017 Pohang earthquake. Therefore, it is necessary to improve damage state criteria for piloti-type buildings by consulting actual outcomes from the earthquake. An analytical approach was conducted by developing analysis models of sample buildings reflecting insufficient stirrup details of columns to accomplish the purpose. The result showed that current spectral displacements of damage states for piloti-type buildings might be too large to estimate actual fragility. When the brittle behavior observed in the earthquake is reflected in the analysis model, one-fourth through one-sixth of current spectral displacements of damage states may be appropriate for existing low-rise, piloti-type buildings.

실내건축관련 소방(消防)규정과 방염(防炎)에 관한 연구 (A Study on Data Research for Fire Regulations and Fire Retardant in Interior Architecture)

  • 조성오;김용성
    • 한국실내디자인학회논문집
    • /
    • 제19권3호
    • /
    • pp.95-102
    • /
    • 2010
  • Recently, a grow in size and features of Interior construction work over the complex and The Fire-related regulations have been strengthened for the prevention of fire damage. This study is purpose to propose interior design, construction and supervision for the efficient and reasonable way throughout the fire-related laws are investigated in interior architecture. First, the interior of the building work will be based on actual use Fire-related Laws and Regulations have be investigated. Second, based on analysis of material and facilities by Application can be used in production by the data were applied to the present. Third, the international Fire and Flame Retardant Standards for investigating and reviewing the relevant laws, differences and characteristics of each country were analyzed. Fourth, the various fire-related issues of regulation and the application of relevant provisions in the field works, the law's standards, and improvements were identified by analysis. Fire-Related Laws and Building codes that Safety Administration of the Fire Services are divided into design, it comes to approval from the municipal authorities with concerns about the fire that will fit on the Fire Department's administrative procedures and operations is necessary to integrate operations. In conclusion, Fire-related business are divided into Minister of Land, Transport and Maritime Affairs and Ministry of Public Administration and Security. So, Both institutions is need to be the cooperative work. It is necessary to the field supervision. Because, Flame-resistant performance standards in the field works applied are too complex. Last, Establishment of fire-related regulations will enact by private organizations and the experts to participate.

H형 주탑 2면 사장교의 지진 안전성 평가지표 개발 (Development of Seismic Safety Evaluation Indices for Dual-Plane, Cable-stayed Bridges With H-type Pylons)

  • 치멧수렝 소롱고;안효준;신수봉
    • 한국지진공학회논문집
    • /
    • 제23권5호
    • /
    • pp.261-268
    • /
    • 2019
  • This paper proposes damage indices efficient on evaluating the seismic safety of cable-stayed bridges, especially dual-plane, cable-stayed bridges with H-type pylons. The research assumes that the location of accelerometers is already defined as given in the 2017 Ministry of the Interior and Safety (MOIS) guideline. In other words, the paper does not attempt to suggest optimal sensor location for the seismic safety evaluation of cable-stayed bridges. The proposed damage indices are based on those for building structures widely applied in the field already. Those include changes in natural frequencies and changes in relative lateral displacements. In addition, the study proposes other efficient damage indices as the rotation changes at the top of pylons and in the midspan of the girder system. Sensitivity analysis for various damage indices is performed through dynamic analysis using selected earthquake ground motions. The paper compares the effectiveness of the damage indices.

인간이동 감지기술을 활용한 다중이용건축물에서의 최적피난경로 알고리즘의 연구 (A Study on the Optimum Refuge Path Algorithm in Multiplex Building using the Human Movement Detection System)

  • 김은성;김영석;김재준
    • 한국디지털건축인테리어학회논문집
    • /
    • 제8권2호
    • /
    • pp.13-20
    • /
    • 2008
  • As buildings have been constructed higher and more complicated recently, the activities of the residents occurred in those multiplex buildings have also become more various. As a result, possibility and the size of the damage from the disaster like a fire are getting larger. So, many studies for preventing the damage in refuge situation are being conducted. In this study, a new process for finding the optimum refuge path is presented, which is different from existing methods. This new method operates by using the human movement detection system in the building for real time. And the process also shows the new way which can shorten the number of calculation for deciding the optimum refuge path. That new way is to make variables such as the velocity of smoke and person movement into a constant. Finally it will be applied to a multiplex building.

  • PDF

Atypical viscous fracture of human femurs

  • Yosibash, Zohar;Mayo, Romina Plitman;Milgrom, Charles
    • Advances in biomechanics and applications
    • /
    • 제1권2호
    • /
    • pp.77-83
    • /
    • 2014
  • Creep phenomenon at the scale of bone tissue (small specimens) is known to be present and demonstrated for low strains. Here creep is demonstrated on a pair of fresh-frozen human femurs at the organ level at high strains. Under a constant displacement applied on femur's head, surface strains at the upper neck location increase with time until fracture, that occurs within 7-13 seconds. The monotonic increase in strains provides evidence on damage accumulation in the interior (probably damage to the trabeculae) prior to final fracture, a fact that hints on probable damage of the trabecular bone that occurs prior to the catastrophic fracture of the cortical surface layer.

지상형 탄약고 폭발 시 안전거리 위반율에 따른 위험노출대상의 피해 수준 분석 연구 (Expected Damage Analysis of Risk Exposure Object by Violation Rate of Safety Distance in Explosion of Ground Type Magazine)

  • 함태윤;이재준
    • 한국안전학회지
    • /
    • 제37권4호
    • /
    • pp.92-100
    • /
    • 2022
  • Of the Korean military's 3,959 ammunition depots, 1,007 - more than 25% - violate safety requirements for distance and equipment. There is a risk of explosion in old depots that are vulnerable to various interior and exterior accidents. This paper examines 10 scenarios, with varying values for ammunition amount and safety distance. The study calculated the overpressure that can be applied to risk-exposure objects, based on the safety distance; expected damage was predicted using constructed spatial information from 3D explosion simulations. The simulations confirmed that explosion overpressure increased the most when the safety distance violation rate increased from 80% to 90%. It also confirmed that secondary damage such as fire and explosion can cause casualties and property damage when the violation rate is 60% or higher. The results show that building collapse becomes a risk with a violation rate of 70% or higher. We conclude that taking ammunition depot safety distance violation into account when planning military facilities and their land utilization could better protect life and property.

상한문헌에 나타난 수면장애 치료법에 대한 연구 (A Study on Treatment of Sleep Disturbance in the Books on Cold Damage)

  • 김상운;정현종
    • 한국의사학회지
    • /
    • 제27권2호
    • /
    • pp.99-120
    • /
    • 2014
  • Purpose : There are two types of sleep disturbance: inability to sleep (不眠) and somnolence (多眠). This study is to examine treatments of the two types of sleep disturbance in the Books of Cold Damage and how those theories were established and formed. Methods : 1. Verses including the words related to inability to sleep and somnolence were extracted from "Treatise on Cold Damage Diseases" (傷寒論). 2. Among the Books on Cold Damages that are classified according to the symptoms, 17 books with contents related to inability to sleep and somnolence were selected to collect and classify data in three perspectives: mechanism of disease (病機), method of treatment (治法) and disease pattern (病證). 3. Data collected through the above methods were compared and diagramed. Results & Conclusions : 1. On Cold Damage, inability to sleep is mostly rooted when human body lacks yin energy while having excessive yang energy (陽盛陰虛) due to fire and heat (火熱). The reason could be misuse of perspiration inducing method (汗法) or purgation (下法) on the doctors' part. 2. On Cold Damage, somnolence is rooted when pathogen (邪氣) is spread to yin meridians (陰經) and the human body lacks yang while having excessive yin energy (陰盛陽虛) or when heat (熱邪) is invaded into interior parts (裏部). 3. Many scholars of Cold Damage in later periods had copied the "Treatise on Cold Damage Diseases" for treatments of sleep disturbance but many others have applied the verses from "Treatise on Cold Damage Diseases" or added new treatments. Do jeol-am (陶節庵) and Wang Geung-dang (王肯堂) particularly had deep understanding on "Treatise on Cold Damage Diseases" and utilized the content freely or suggested new remedies because they had thorough knowledge on relating formula as well.

기간별 한계강우량 산정을 통한 변화 특성 분석 (Analysis of change characteristics through estimating the limit rainfall by period)

  • 황정근;조재웅;강호선;이한승;문혜진
    • 한국수자원학회:학술대회논문집
    • /
    • 한국수자원학회 2020년도 학술발표회
    • /
    • pp.99-99
    • /
    • 2020
  • The frequency and scale of domestic flood damage continues to increase, but the criteria for responding to flood damage have not been established. To this end, research is underway to estimate the amount of rainfall in each region so that it can be used to respond to flood damage. The limit rainfall is defined as the cumulative maximum rainfall for each duration that causes flooding, and this research purpose to improve the threshold rainfall by estimating the damage based on the damage history in units of 5 years and analyzing changes over time. The limit rainfall based on the damage history was estimated by using the NDMS past damage history of the Ministry of the Interior and Safety and the rainfall minutes data of AWS and ASOS. The period for estimating the limit rainfall is 2013 ~ 2017, 2015 ~ 2019, and the limit rainfall is estimated by analyzing the relationship between the flood damage history and the rainfall event in each period. Considering changes in watershed characteristics and disaster prevention performance, the data were compared using 5-year data. As a result of the analysis, the limit rainfall based on the damage history could be estimated for less than about 10.0% of the administrative dongs nationwide. As a result of comparing the limit rainfall by period, it was confirmed that the area where the limit rainfall has increased or decreased This was analyzed as a change due to rainfall events or urbanization, and it is judged that it will be possible to improve the risk criteria of flooding.

  • PDF

농업용 소규모 저수지의 붕괴에 따른 하류부 피해예측 모델링 (Modeling Downstream Flood Damage Prediction Followed by Dam-Break of Small Agricultural Reservoir)

  • 박종윤;조형경;정인균;정관수;이주헌;강부식;윤창진;김성준
    • 한국농공학회논문집
    • /
    • 제52권6호
    • /
    • pp.63-73
    • /
    • 2010
  • This study is to develop a downstream flood damage prediction model for efficient confrontation in case of extreme and flash flood by future probable small agricultural dam break situation. For a Changri reservoir (0.419 million $m^3$) located in Yongin city of Gyeonggi province, a dam break scenario was prepared. With the probable maximum flood (PMF) condition calculated from the probable maximum precipitation (PMP), the flood condition by dam break was generated by using the HEC-HMS (Hydrologic Engineering Center - Hydrologic Modeling System) model. The flood propagation to the 1.12 km section of Hwagok downstream was simulated using HEC-RAS (Hydrologic Engineering Center - River Analysis System) model. The flood damaged areas were generated by overtopping from the levees and the boundaries were extracted for flood damage prediction, and the degree of flood damage was evaluated using IDEM (Inundation Damage Estimation Method) by modifying MD-FDA (Multi-Dimensional Flood Damage Analysis) and regression analysis simple method. The result of flood analysis by dam-break was predicted to occurred flood depth of 0.4m in interior floodplain by overtopping under PMF scenario, and maximum flood depth was predicted up to 1.1 m. Moreover, for the downstream of the Changri reservoir, the total amount of the maximum flood damage by dam-break was calculated nearly 1.2 billion won by IDEM.