In this study, literature review on the method of reinforcing the special shear wall boundary element was carried out. As a reviewing results of two studies, it was evaluated that it is possible to reinforce the boundary element using rectangular steel pipe, H-shaped section steel and lattice material.

An experimental study was conducted to examine for the structural behavior of coupled steel plate shear wall (Coupled SPSW) system what is formed by connection the two steel plate shear walls (SPSW) with a coupling beam. The variable of this study was the length of coupling beam. The testing results were showed that the strength and stiffness of specimen with shorter coupling beam were improved than those of other specimen. However there is no difference of the yielding mechanism.

국내 공동주택 전단벽 구조시스템에 적용되는 감쇠장치는 대부분 인방형 형상으로 적용되고 있다. 인방형 감쇠장치는 좌우 전단벽을 연결하여 커플링 효과 및 추가 감쇠효과를 발휘하여 구조물 내진성능을 증대시킨다. 본 연구에서는 인방형 감쇠장치를 소개하고 감쇠장치가 적용된 구조물의 거동특성을 파악하였다. 제안된 감쇠장치는 힌지 및 변단면 형상으로 감쇠효과를 극대화시킨 구조로 유한요소 해석결과와 실험결과가 잘 일치하여 우수한 내진성능을 발휘하는 것으로 나타났으며, 해당 감쇠장치가 적용된 2차원 및 실제 공동주택 구조물을 대상으로 감쇠효과를 검토한 결과, 감쇠장치 커플링 효과로 기존구조물 대비 모든 구조물에서 내진성능 향상을 도모할 수 있었다. 본 연구에서 검토한 실제 구조물에 대해서는 비선형 정적해석 결과, 강도 및 연성능력이 향상되는 것으로 나타났고, 비선형 동적해석 결과, 층간변형각이 15%~18%, 층가속도가 20%~28%, 밑면전단력이 15%~20% 감소하는 결과를 나타냈다.

The purpose of this study was to improve the buckling strength of steel plate shear wall system. The variable of this study was arrangement and aspect ratio of steel plate. The arrangement of continuity and both sides were compared. And the aspect ratio 1.3 and 0.8 were compared. As a result, there was no significant difference between the arrangement of continuity and both sides, and it was observed that there was no significant difference of behavior when the aspect ratio was decreased.

This research, concrete materials used SHCC(Strain harding Cementitious Composite) in RC(Reinforced Concrete) shear walls. We tried to identify the performance of developed shear wall. Specimens were only considered gravity load and designed and detailed in compliance to KCI-2012. Based on the loading experiment results, this study was found that the developed shear walls showed improved strength than RC shear wall in controlling bending and shear crack. The developed　shear wall with minimum shear reinforcement increased the more strength than RC wall with nominal shear reinforcement

This study examined the effectiveness of the slip-resistance bars on the shear strength and slip displacement components of squat heavyweight concrete (HWC) shear walls with construction joints at the base interface. For the slip-resistance bars, X-, W-, and Ω-shaped bars were arranged at the base interface. W-shaped bars were more effective than the other bars in reducing the slip displacement at the base interface, in particular at the high inelastic level of the drift ratio of 2.0%.

본 연구는 MIDAS-Gen을 사용하여 골조-전단벽 구조에서 상부 전단벽의 미배치에 대한 구조적인 효과를 검토하였다. 본 연구에서 는 해석 변수로 상부 전단벽의 미배치 층수, 상하 기둥 단면 치수의 변화, 상하 전단벽 두께 치수의 변화를 설정하였다. 골조-전단벽 구조에서 상부 전단벽의 미배치에 대한 구조적인 효과를 검토하기 위하여 전단벽의 미배치에 따른 전단력/전도모멘트 분포, 전단벽의 변곡점, 수평강성 에 대하여 비교분석하였다. 본 연구의 결과는 골조-전단벽 구조에서 상부 전단벽의 미배치가 수평강성과 같은 구조성능에 미치는 영향을 정량 적으로 제시하였다. 더욱이 본 연구의 결과는 합리적인 골조-전단벽 구조를 위한 구조설계 자료를 제공하는데 도움이 된다고 확인하였다.

In this study aims at exploring the use of steel frame as an innovative method of improving the seismic performance of link beams. Also, the effect of diagonal reinforcement in link beam is evaluated in comparison to conventional reinforcement.

Shear wall system has been widely used in order to secure the ductility of the shear walls for lateral loads. The purpose of this study was to examine the effect on the shear strength of the coupling beams through the Push Over analysis of shear walls in MIDAS program.

The purpose of this study is to analyze the trend of domestic and foreign steel plate shear wall (SPSW) systems. The investigated countries were three, such as Korea, Canada, and U.S. The full scale or scale down specimens were preponderantly investigated. The details and performances of all specimens were compared for each other.

This paper addresses the seismic performance of reinforced concrete coupling beams with various reinforcing details for a design alternative to simply the reinforcement details of coupling beam. The numerical analysis and test results showed that angle reinforced coupling beam exhibited a better stable behavior in comparison with non-diagonally coupling beams and sustained corresponding drift ratio, peak-to-peak stiffness and cumulative dissipated energy in comparison to diagonPally coupling beam.

The purpose of this study is to apply performance-based seismic design guideline to high-rise shear wall building. According to PEER TBI Guideline, the building is evaluated whether it satisfies the performance objectives which is to be capable of elastic response under Service Level shaking having a return period of 43years and to withstand Maximum Considered Earthquake shaking with prevention collapse.

It is possible for stress to concentrate due to interaction between shear wall and outer frame. In this study, proposed dual system installed the damper between shear wall and outer frame, and evaluated the seismic performance of the dual system through shaking table tests.

This study investigates the effectiveness of a wall fiber element in predicting the flexural nonlinear response of reinforced concrete shear walls. Model results are compared with experimental results for reinforced concrete shear walls with barbell-shaped cross sections. The analytical model is calibrated and the test measurements are processed to allow for a direct comparison of the predicted and measured lateral force and displacement responses. Response results are compared at top displacements on the walls. Results obtained in the analytical model for barbell-shaped wall cross sections compared favorably with experimentally responses for flexural capacity, stiffness, and deformability.

본 연구의 목적은 경계요소를 갖는 철근콘크리트 전단벽의 잠재소성힌지길이를 합리적으로 평가할 수 있는 단순모델의 제시이다. 전단벽의 높이에 따른 이상화된 곡률분포로부터, 기본방정식은 항복모멘트와 최대모멘트 그리고 사인장균열에 의한 부가모멘트의 함수로 일반화되었다. 전단벽의 항복모멘트와 최대모멘트는 변형률 적합조건과 힘의 평형조건을 기반하여 산정하였다. 사인장균열 발생의 여부는 ACI 318-11에서 제시된 콘크리트의 전단력으로부터 검토되었으며, 부가모멘트는 Park and Paulay에 의해 제시된 트러스기구를 이용하여 산정하였다. 이들 모멘트식들은 다양한 변수범위에서 변수연구를 수행하였다. 결과적으로 등가소성힌지길이는 주철근 및 수직철근지수와 축력지수의 함수로 제시될 수 있었다. 제시된 등가소성힌지길이의 모델은 실험결과의 비교에서 평균 및 표준편차가 각각 1.019와 0.102로 실험결과를 정확하게 예측하였다.

The current seismic design code prescribes structural wall should be designed as special shear wall when building height is more than 60m and seismic design category D. The design code for the irregular wall is not provided. Therefore, the special wall with flange is designed as linear section wall. The ultimate strain of concrete in non-rectangular section would be different form that in rectangular section, then the equation of discrimination for special wall would changed. In the study, nonlinear analysis for linear and irregular wall are performed, and concrete ultimate strain is compared.

This paper provides Shear Performance Evaluation of Squat Shear Wall on Aspect Ratio of Slit. The main variables of paper were vertical slit and slit length. Slit height analysis results by lengthening the slit height was reduced according to the strength and stiffness, the maximum displacement was increased.

In this study is experiment result of steel fiber reinforced concrete shear walls with deformation capacity and structural performance. To assess the deformation capacity and structural performance of shear walls, slits and steel fiber was used as a variables. The experimental results show that steel fiber reinforced concrete shear wall is superior compared to normal reinforced concrete shear wall. The experimental results of shear wall with slits is too.

In this study, to Assess the Structural performance of Reinforced Concrete Shear Wall with different Slit Length. Variable of analysis is slit length(0, 600, 1200, 1500, 2400mm), showed excellent accuracy. Maximum load is decreased when the slit length increased. But Side sway of maximum load is increased when the slit length increased.

The current seismic design code prescribes structural wall should be designed as special shear wall when building height is more than 60m and seismic design category D. The design code for the irregular wall is not provided. Therefore, the special wall with flange is designed as linear section wall. The ultimate strain of concrete in nonrectangular section would be different form that in rectangular section, then the equation of discrimination for special wall would changed. In the study, nonlinear analysis for linear and irregular wall are performed, and concrete ultimate strain is compared.