간행물
한국구조물진단유지관리공학회 학술발표대회 논문집
- 발행기관 한국구조물진단유지관리공학회
- 자료유형 학술대회
- 간기 반년간
- 수록기간 2012 ~ 2019
- 주제분류 공학 > 안전공학 공학 분류의 다른 간행물
- 십진분류KDC 531DDC 624
권호리스트/논문검색
2012 한국구조물진단유지관리공학회 가을 학술발표 논문집 (2012년 11월) 174건
2분과 구조와 보수･보강
81.
2012.11
서비스 종료(열람 제한)
The objective of this research is to investigate the inelastic behaviour, failure mode and depth of neutral axis of square reinforced concrete bridge piers with hollow cross section under constant axial load. The nonlinear analysis computer program, named RCCOL, for the analysis of reinforced concrete column was used.
82.
2012.11
서비스 종료(열람 제한)
To check the serviceability of K-UHPC structures, we need the guideline for the allowed crack width in various environment. To setup the guideline, direct tensile test of reinforced K-UHPC tensile members was implemented. The test results show very small crack width, and the allowed values for the ordinary concrete can be used for K-UHPC structures.
83.
2012.11
서비스 종료(열람 제한)
In this study the progressive collapse behaviors of helical buildings were evaluated by nonlinear static and dynamic analysis. 36-story diagrid buildings with twist angles of 0, 90 and 180 degrees were designed as analysis model and progressive collapse analyses were carried out by removing first-story columns. The analysis results showed that helical buildings designed per current design codes generally had enough resistance to progressive collapse caused by the sudden loss of corner columns in the diagrid system.
84.
2012.11
서비스 종료(열람 제한)
The objective of this study is to assess the structural response and impact energy absorption characteristics of reinforced concrete (RC) and steel plate concrete (SC) barrier walls under missile impact loading considered in the design of NPP (nuclear power plant)'s facilities. The study considered the barrier wall response under external tornado-generated missiles (e.g., steel pipe and automobiles).
85.
2012.11
서비스 종료(열람 제한)
Structural Performance Test of FRP-Concrete Composite Deck according to Existence of Shear Connecting Plates by Long Term Exposure was performed to study the Performance Evaluation. As the result, it was verified that this deck has sufficient serviceability and structural performance as a bridge deck.
86.
2012.11
서비스 종료(열람 제한)
Recently, in the field of design and construction, the use of three-dimensional information modeling technology using BIM design has been increasing. But there is a limitation in its library for efficient design. In particular, the library totally lacks vibration control system for special elements. In this study, for the implementation of the vibration control system, it has been created a library of out-of-plan buckling resistance steel damper using custom component. Further more, the developed system and its properties were defined by the design module.
87.
2012.11
서비스 종료(열람 제한)
Utilization of the fiber reinforced polymer(FRP) material has been enlarged as a substitution material to the general construction materials having certain long-term problems such as corrosion, etc. However, it could be difficult to apply the FRP material, which has a linear shape generally, to an arch or circle-shaped structure. Therefore, an attempt has been made in this study to develop a device to form a designed cross section of FRP material by pulling out with a curvature. A member of the curved FRP product was successfully produced and then strengthened intake tower by curved FRP members.
88.
2012.11
서비스 종료(열람 제한)
The priority order about a rational repair and reinforcement is generally decided by subjective decision of engineer. An appearance investigation carried out to decide about a rational repair and reinforcement through systematic and objective analysis in tunnel. we could prevent expecting leakage through several improvements in the aspects of design, materials and site implementation.
89.
2012.11
서비스 종료(열람 제한)
This study conducted seismic performance evaluation of externally reinforced water tank using shaking table test. From the shaking table test result, externally reinforced system shows sufficient stiffness for water tanks and high natural frequency over 8Hz. The test result also showed safety result of induced maximum stress of water tank shown in the allowable stress.
90.
2012.11
서비스 종료(열람 제한)
There are many cracks in Section Change. We investigated surface and geological environment and so on. To figure out the cause of cracks, we are using FEM. This Study can help developing designation and maintenance about Tunnel.
91.
2012.11
서비스 종료(열람 제한)
To repair pothole failure in asphalt pavement, this study is developing high durability rehabilitation method using construction equipment and pre-cast material. The various filling material was examined to bond pre-cast repair material at asphalt pavement, performance was evaluated throuth tensile bond and shear bond test. As a result, Guss asphalt binder and two-component polyurethane material was shown a superior performance in terms of tensile bond strength, shear bond strength was two-component polyurethane material to be effective.
92.
2012.11
서비스 종료(열람 제한)
Seismic risk assessment of staggered wall system structures is presented using fragility curves which represent the probability of damage of structure. To obtain fragility curves, dynamic analysis were carried out using twenty two pairs of earthquake records. For the risk assessment, spectral accelerations are obtained for various return periods from the seismic hazard map of Korea, which enable to calculate the probability density function of spectral accelerations.
93.
2012.11
서비스 종료(열람 제한)
The purpose of this paper is to introduce the stability assessment method for treated wood retaining wall (Timbacrib Wall) which is made from the embalming processed timber. Timbacrib Wall is conducted a variety of investigation ; examination, boring examination, electrical specific resistance test. etc and stability analysis of stress and strength. According to the survey results, Timbacrib wall is suggested appropriate reinforcement with Micro-Pile and Anchors.
94.
2012.11
서비스 종료(열람 제한)
This study was performed to analyze destruction types and causes of timbacrib wall through detailed investigation on a large timbacrib wall construction site. As a result, the damage of member was 5.7%(2,315 locations) and 80.2% of damaged member was occurred in the member of header. The 65.7% of the damaged header was concentrated in the lower position of wall. From the results, it has been analyzed that the damage cause and type is different in the kinds of member and the installation position and the distortion of member can have a various effect on the timbacrib wall.
95.
2012.11
서비스 종료(열람 제한)
In this study response modification factors of rectangular reinforced concrete staggered wall system (SWS) structures were evaluated according to ATC-63. The adjusted collapse margin ratios of the model structures obtained from incremental dynamic analyses turned out to be larger than the specified limit states, which implies that the analysis model structures have enough safety margin for collapse against design level earthquakes. It also was concluded that the response modification factor, 6 used in the design of the model structures was valid.
96.
2012.11
서비스 종료(열람 제한)
In this study, structural analysis was performed for the trapezoidal steel box girders. The girder is assumed to be made not by welded but by folded. Because the girder has no welded connection, the material can show its full strength without residual stresses. In the nonlinear analysis, however, there should be difference between sharp-corner girder and rounded-corner girder. Therefore, the parametric study was performed due to the radius of fillet to estimate the shear buckling strength of the girders.
97.
2012.11
서비스 종료(열람 제한)
To evaluate the seismic performance of CFFT pier reinforced by FRP, quasi-static loading tests have been conducted using the real-scaled specimens in this study. The cast in placed CFFT specimen and the precast CFFT specimens were used in these tests. From the results of the tests, it is observed that the ultimate deformation and the ductility can be improved by FRP reinforcement though the hoop reinforcement is minimized.
98.
2012.11
서비스 종료(열람 제한)
In this paper, structural analysis and causual analysis of superstructure horizontal displacement by retaining wall displacement is realized, as a result, it is considered that retaining wall displacement by soft soil and lateral flow pressure occurred in the soft soil affect superstructure horizontal displacement.
Although resistance force is slightly larger than the action force when reviewing superstructure safety, it is considered that repair and reinforce are necessary when considering safety factor with respect to the difficulty of estimating accurate load, and the uncertainty of soil condition.
99.
2012.11
서비스 종료(열람 제한)
This paper presents an analytical approach to evaluate a possibility of progressive collapse of reinforced concrete frame structure. In order to simulate adequate behavior of the structure, we considered the bond failure of lap spliced bars due to concrete crack in a plastic hinge region. Bond characteristic was modeled in the analysis by using previous bond-slip relation and the effect of it was evaluated.
Analysis result gave that there was additional deflection due to the bond failure of bar in beams at the node where the increasing displacement load was applied.
100.
2012.11
서비스 종료(열람 제한)
In this study, a structural health monitoring methodology using acceleration responses is proposed for damage detection of a three-story prototype building structure during shaking table testing. A damage index is developed using the acceleration data and applied to outlier analysis, one of unsupervised learning based pattern recognition methods. A threshold value for the outlier analysis is determined based on confidence level of the probabilistic distribution of the acceleration data. The probabilistic distribution is selected according to the feature of the collected data.
