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.

In the recent remodeling construction for old apartment, it is general to extend the parking space for the increased cars for residents. This paper reviews the extension methods of parking space and presents the problems that must be solved for the construction. In this paper, three extension cases of parking space in the remodeling projects were reviewed. As a result, the demand for the extension needs to be analyzed for the various cases and the technologies for the best-fitted construction should be suggested based on the demand.

Experimental program was conducted for hydration heat evaluation of concrete using strontium based phase change material (PCM). Adiabatic temperature rise test was investigated for four days. In results, concrete with strontium based PCM has about 20 percent lower hydration heat than ordinary one.

This paper describes the effect of norton tape and boundary sealant on structural performance of structural sealant glazing(SSG) system. A total 3 specimens were made and tested under four point loading condition. In this study, it was found that norton tape and boundary sealant considerably affects the structural performance of SSG system.

This study assesses the adequacy of a critical value of the FEMA 273 for beams utilized in the present performance-based design. From the comparison the critical values of FEMA 273 with those of previous experimental result about beams, it was shown that FEMA 273 underestimated the critical values. Therefore, it is necessary to perform a research to find the hysteresis model for the performance-based design considering the hysteretic behavior of domestic reinforced concrete members.

This paper describes the effect of steel frame on seismic performance of non-ductile reinforced concrete (RC) frame. To achieve the this objective, RC frames were made based on existing school building constructed in 1980s. Test results indicated that RC frame retrofitted with steel frame was improved the seismic performance than conventional RC frame.

This paper indicated the seismic performance evaluation of coupling beam designed by ACI 318 11 and SFRC(Steel fiber reinforced concrete). In this study, SFRC coupling beam added steel fiber of 1.5 %. Teste results indicated that coupling beam reinforced by SFRC shown outstanding absorb energy capacity and stiffness degradation than concrete coupling beam by bridge effect of steel fiber.

The purpose of this study was to investigate the strain characteristics of frame retrofitting grid-type seismic member. The experimental investigation consisted of a cyclic load tests of one story-one bay reinforced concrete frame retrofitting grid-type seismic member.

Recent earthquake of incidence is increasing. The purpose of this study was to investigate the strain characteristics of bare frame with non-seismic details. The experimental investigation consisted of a cyclic load tests on 1/3-scale models of one story-one bay bare reinforced concrete frame.

Earthquakes are very dangerous. They exemplify the true power of nature and cannot be avoid. Coupled shear walls are walls connected by moment- resisting members. The main subject investigated in this research project is the influence of steel fibers on the behaviour of coupling beams in shear.

This paper describes the analysis results of coupling beams using steel fiber reinforced concrete for comparison with measure behaviors. Analysis is performed by the finite element analysis program, Vector 2. The results show possibility that relieve complex detail of diagonally reinforced coupling beam.

This paper indicates seismic performance of wing walls using Engineered Cement Composite(ECC) for retrofit of non-ductile existing building. The specimens consist wing walls of different thickness. The specimens is tested cyclic lateral loads. The test results indicated that wing walls seismic performance of 100 mm thickness improved than 70 mm wing walls.

This paper describes the structure performance of glass fiber-reinforced polymer (GFRP) shear connectors for insulated concrete sandwich panels (CSP). In this study, experiments are conducted to investigate the physical features of insulated CSP with GFRP shear connectors with varying shape and specification of GFRP shear connectors, and types of insulations. Test results indicate that developed GFRP shear connector has a significant effect on structure performance of insulated CSP.

this study is experiment result of steel fiber reinforced concrete(SFRC) panel with flexural and impact resistance performance. The variables are the fiber volume fraction and aggregate size. The height and width of SFRC panels are 200 mm. The experimental results showed that flexural and impact resistant performance is improved by increased in steel fiber volume fraction.

This paper describes the evaluate adhesion area effects on structural performance of structural sealants. In this experimental, glass panel thickness and initial construction depth of sealant are 12 and 5mm. Principle variable is addition of sealants : 5, 10, 15mm. Prior to add sealant, adhesion part carried out cover with primer. Test method is based on the bending test. Loading method is to put sand on the center of the glass panel in order to the wind load applied to the actual condition. Test results indicated that addition of sealants is not improve the peak load.

The dissipation capacity of wall to foundation connection for tilt-up conrete wall is investigated in this study. To evaluate the effects of addition steel bar, specimen was made and tested under cycle loading. Test results showed that connection details had the energy dissipation capacity at the using vertical reinforcement steel bar.

The purpose of this study was to effects on flexural performance of SFRC prism with different fiber volume fraction. The test variables such as aggregate maximum size(8, 13, 20mm) and steel fiber volume faction(0, 1, 2%). Specimen size is 100×100×400mm and tested in for points loading. Test results indicated that increase the fiber volume fraction increase with flexural strength and smaller aggregate size more than higher performance with concrete.

This paper indicates seismic performance of wing walls using Engineered Cement Composite (ECC). The variable of specimens is 2 side connect and 3 side connect in RC frame. The specimens is tested cyclic lateral loads by actuator. The test results show that seismic performance of 2 side connected wing walls improved.

This paper described the correlation between compressive and flexural toughness of SFRC(Steel fiber reinforced concrete). Experiment was conducted to evaluate the correlation SFRC specimens with different aggregate sizes (8mm, 13mm, 20mm) and fiber volume fraction (0%, 0.5%, 1.0%, 1.5%, 2.0%). For the measurement of compressive and flexural toughness using ACI committee and ASTM C 1018 procedure. Test results indicated that the addition of steel fiber improves flexural and compressive performance of high-strength concrete. Also smaller aggregate size improve the mechanical properties of high fiber volume fraction SFRC.

This paper addresses the shear strength based on ACI 318-88 code and proposed equation by Park & Yun for steel fiber coupling beams containing steel fiber.