It is required development on the work process of the legal system, quality and safety management for safety securement of small sized buildings. Therefore, this is suggested the improvement on the quality and safety management for safety securement of small sized buildings.

A seismic performance assessment based on risk assessment is proposed considering risk factors and scenario, and thus the technique provides more practical and reasonable seismic performance assessment and reinforcement for the existing buildings more than ever before.

With the increase in the frequency of the seismic activity in the territory of Korean Peninsula, the demand for seismic performance evaluation of existing buildings has appeared as well. In this research, a public building built in 1970s is evaluated by the Korea Infrastructure Safety Corporation guideline. As a result, this existing public building is evaluated to satisfy the life safety (LS) and the collapse prevention(CP) performance level that the KBC2009 demands for.

Railroad sites are exposed to noise and vibration problem due to train operation. This train-induced noise and vibration transferred from the ground to the near existing building. It is possible to cause a vibration in the building. Evermore, the tenant in the building enable to feel such train-induced noise and vibration. Based on that, a device, termed anti-vibration device, to reduce noise and vibration in the building was needed and was invented through this study.

The budget for public buildings is expected to increase to their maintenance, and the systematic maintenance and sufficient budget are recognized as the important factors for building maintenance. In Korea, buildings are not systematically maintained due to the lack of manpower, expertise and basis of maintenance budget estimates. Compared with Australia where the facility maintenance is optimized through asset management, Korea has only passive maintenance systems that focus on regulations. The introduction of the systematic asset management is required to ensure the advanced building maintenance in Korea. In this study, the asset management processes for social infrastructure facilities in and out of Korea were analyzed, and the asset management framework for public buildings were established. The asset management procedure consisted of ordinary asset management procedure, selective asset value assessment. The framework in this study was developed focusing on the asset management task for public buildings and presented the detailed contents of each step. The application of this framework to the actual work will enable the systematic management of building’s value and performance, and the efficient appropriation of the maintenance budget.

지진해일에 의해 건축물에 작용하는 하중은 물의 흐름 및 부유물에 따라 정수역학에 의한 하중, 부력에 의한 하중, 유체역학에 의한 하중, 충격에 의한 하중 등으로 구분된다. 정수역학에 의한 하중(정수압)은 유속이 느리고 정체되어있을 때의 침수단계에서의 건축물에 작용하는 삼각형 분포의 하중, 부력에 의한 하중은 건축물 내부에 공기층이 형성되어 수직으로 작용하는 하중, 유체역학에 의한 하중은 해일이 내습하는 초기단계에서의 유속에 의해 작용하는 하중(동수압)으로 유속에 따라 파력의 크기가 달라진다. 충격에 의한 하중은 해일 내습시 부유물이 건축물에 충돌할 때 발생하는 하중으로 부유물의 무게 및 크기에 따라 달라진다. 이상과 같이 건축물에 영향을 미치는 해일하중은 유속 및 침수심 깊이, 하중을 받는 건축물의 입면면적 및 형태에 따라 달라진다. 그러나 해일 내습시의 유속은 계측이 불가능하므로 일반적으로 건축물에 작용하는 해일하중 산정시에는 동수압을 침수심계수를 사용하여 정수압으로 환산하여 산정한다. 본 연구에서는 이상과 같이 건축물에 작용하는 해일하중 평가시 중요한 척도가 되는 침수심 계수의 산정방법 및 크기에 따라 건축물에 작용하는 하중의 변화량에 대해서 검토하고자 한다.

건축물들의 화재와 안전사고 등의 철저한 관리와 불특정 다수인들의 피해를 예방하기 위하여 주요 시설물에 대한 점검, 유지, 관리교육 등 기존 건축시설물의 관리현황들을 조사ㆍ분석하였다. 그 결과는 1. 조직적인 측면에서 시설관리자들의 자발적인 재난예방과 재난수습의 원활한 추진을 위해서는 높은 통솔력과 지휘감독권이 절실히 요구된다. 그것은 시설관리자에게 실질적인 예산의 편성 및 운용을 할 수 있는 권한을 주고 또한 실무자에게도 맡은 부분에 관하여 책임과 권한을 주는 제도적 장치도 필요하다. 2. 인력적 측면에서 시설물의 관리자 대부분은 30대와 40대가 대다수를 차지하고 있고, 실무자는 30대(48％)에서 40대(24％)로 가면서 절반으로 줄어들었다. 관리자 및 실무자의 경력에 있어서도 7～10년 미만과 15～20년 미만의 분포가 낮은 것은 건축물의 시설관리의 전문 인력이 부족한 현상으로 실무자들이 현장에 남아서 정년을 맞을 수 있는 대책이 필요하다. 3. 시설관리자 및 실무자들의 근무 조건에서 시설관리자나 실무자 대다수는 근무형태가 불규칙한 근로 조건(71%)에서 근무하고, 급여의 조건도 미비하며 근무환경 역시 열악하였다. 따라서 이의 개선이 필요하며 현실적인 급여 등의 개선도 중요할 것이다. 4. 시설관리의 측면에서 시설물 관리자의 74%가 두 가지 이상의 시설관리업무를 수행하고 있고, 또한 넓은 관리면적을 담당하고 있었다. 이렇듯 시설물의 안전이나 충실한 관리 점검을 위해서도 관리자나 실무자들의 잡무 등은 줄여야 할 것으로 사료된다. 5. 교육의 측면에서 시설관리자들은 법정교육에 대해 89%가 상당한 도움이 된다고 하였다. 그러나 교육의 내용을 살펴보면 이론위주의 교육이 83％로 대부분을 차지하며, 시설관리현장에 바로 적용할 수 있는 실무위주의 교육은 17％밖에 되지 않아 아쉽다고 하였다. 이렇듯 실무교육시간의 확대가 필요하다.

The purpose of this study is the evaluation of the seismic performance for the reinforced concrete piloti building considering special earthquake load. For this, nonlinear static push-over and dynamic seismic response analysis for the two models designed with and without special earthquake load were carried out.

For the seismic performance assessment of a building, a lot of time and manpower are needed. In this paper, alternative procedure based on modeling transformation for the effective seismic performance assessment of the buildings is suggested. The suggested procedure is applied for the seismic performance assessment of an apartment building consisted of the ordinary reinforced concrete shear walls as the example model and its effectiveness is reviewed

This is preliminary study for development of specialized seismic performance evaluation and reinforce guidelines for piloti-type buildings. A residential Building with Pilotis was selected and the seismic performance evaluation was performed. The vulnerable parts of the piloti-type building for earthquake and the risks are verified. Finally, the necessity of evaluation and reinforce guidelines for the building with pilotis is presented.

In this study, based on the Building Register, status and existing structural criteria of small-scale steel-frame building is reviewed. As a result, the accumulated small-scale buildings account for about 85% of cumulative entire building. Furthermore, since 2000, the small-scale steel-frame buildings account for about 55% of the small-scale buildings. In other words, the proportion of small-scale steel-frame buildings has been increased. However, the structural criteria is not only insufficient but also structure for some small-scale steel-frame buildings does not have a reference.

Nonlinear seismic evaluation of RC building usually needs much time and man power, In this study, several computational modules were applied for evaluation of existing RC buildings. To investigate the effect of applied modules on time, seismic performance evaluation of example building was performed and the man power input was compared with conventional process.

Recently, a safety of the building has been issued. In this study, a statistical analysis of the licensing status of the building construction has been performed to check the trend of building construction. Finally, results of the statistical analysis would be helpful to improve of the building safety.

The natural period is generally used for monitoring the change in structural dynamic characteristics. It is legally obligated in Korea that seismic acceleration measurement system is installed in structures and measured data are transmitted. However there are some difficulties that the natural period is automatically analyzed by the structural acceleration analysis system. First, structural characteristics is changed by various factor such as plan shape, foundation type, structure type, size, and so on. Second, there are many factors ― machinery(basement), conditioning equipment(roof) ― causing noises near the measurement system installation point. Lastly, there are only sent some interval data by earthquake except ambient vibration to the analysis system. In this study to estimate the natural period, systemic approach is developed using simple evaluation formula from Korean Building Code-2009(KBC-2009).

The aim of this study is to evaluate the possibility of improvement quality of a city inhabitancy and comfort creation in a daily life in an environment of population in developing cities by reconstruction an existing engineering - architectural building and a construction and creations of new intellectual architectural projects.

This study is to introduce a structural analysis method that can apply a unit modular system to a remodeling extension. The structural analysis process, which can reflect the behaviors between the existing building and the modular system, is performed in a five-staged structural analysis. Therefore, the example of structural analysis of an existing building is introduced.

This study is to establish a structural analysis method that can apply a unit modular system to a remodeling extension. Structural design has to be performed after considering the behaviors between the existing structures and the modular system because the modular system is added after the transformation of existing structures has been processed. The structural analysis process, which can reflect the behaviors between the existing building and the modular system, is introduced in a five-staged structural analysis.

The purpose of this study is to identify the relation between predominant period of earthquake and acceleration characteristics of domestic high-rise buildings. First, we gathered and classified the real earthquake waves through response spectrum method. Second, we performed seismic response analysis and analyzed the result. The conclusion is as follows. In the case of predominant period range from 1.0 to 4.0 which has relatively less probability, the damage can be concentrated on buildings from 20 to 60 story.

Recently a lot of strong earthquakes are happened in China. By the report of the Earthquakes that can be seen the URM buildings are destroyed by the highest rate. Thus in this study, the performance and vulnerable of URM houseing buildings in China, and use them to describe the derivative and evaluate the seismic performance have been analyzed.