extension of support length in addition to restrainers may need to prevent the unseating failure more effectively ... longitudinal dynamic behaviors of a bridge system are examined for various peak ground accelerations, and the effects
The strengthening effect of CFRP sheet and AFRP sheet with buckling-restrained brace for Beam-Column ... significantly increased the strength and stiffness of the specimen and that it was the most adequate retrofitting
The experiment was carried out to investigate lateral retrofitting effects by FRP and BRB (Buckling-Restrained ... structures, by enabling engineers to estimate the improved capacity of retrofitted structural elements ... the proposed modeling technique for nonlinear analysis would be helpful for preliminary analyses for retrofitting
Three specimens were made using different retrofitting methods : non-retrofitted, retrofitted with CFRP ... From the results, the maximum lateral forces of the FRP sheet retrofitted and both the FRP and BRB retrofitted ... sheets only, and retrofitted with both CFRP sheet and BRB systems.
The retrofit effects were estimated by comparing energy demands between non-retrofitted and retrofitted ... effects. ... This paper aims to quantify the retrofit effect varying the confinement and stiffness-related parameters
When operated with a middle draft, performance for retrofit No. 3 showed a 6-11% improvement in effective ... Three retrofit hull forms with minimum resistance were selected given real operating conditions. ... The primary objective of the current work was to develop a standardized retrofit hull form capable of
The retrofitted specimens with RSBs exhibited enhanced resistance against shear cracking, effective torsional ... Through experimental testing, one non-retrofitted concrete column specimen and two retrofitted specimens ... This study aims to assess the seismic performance of retrofitted reinforced concrete columns using a
The joint strength and effective stiffness of the retrofitted specimen was increased and results in more ... deformation capacity compared to the non-retrofitted. ... To investigate the cyclic characteristics of the retrofitted exterior joints of RC frame with haunch
using MIDAS/Gen program, damages of the building in terms of top story and average story drift and effect ... While steel brace and open shear wall retrofit systems mainly focused on the strength retrofit, the VES ... damper retrofit system is mainly to enhance the energy dissipation capacity of the system and resultes
retrofit. ... steel plates and braces and their seismic performances are evaluated to verify the effect of seismic ... Especially the effect of column jacketing could be enhanced significantly when slabs were reinforced
affected by the damage levels induced from the mainshocks regardless of the retrofit scenarios. ... particular, since cumulative damage caused by successive earthquakes causes serious damage, repair/retrofit ... Based on this investigation, the repair effects of the damaged building structures were significantly
In this study, effectiveness of seismic retrofitting methods using passive damping devices was investigated ... to impulse load did not induce the responses of the structures with longer period than 0.4s, and the effects
Also, effective parameters which are affected by openings, adhesive material types, the number of reinforcement ... Especially, it has been recognized that seismic retrofit measures are necessary for non-reinforced masonry ... This study carried out an adhesive retrofit material upgrading low workability and excessive costs of
this work, we deal with the feasibility of structural topology optimization for beam designs using retrofits ... Finally, the effectiveness of stiffness-based topology optimization on stiffeners is verified with several ... H-beam and to satisfy a given safety design standard of H-beam and stiffeners in case arbitrary load effect
The seismic retrofits of existing structures have been focused on the control of structural responses ... Experimental results present the effective self-centering behavior and an analytical model is then suggested
The present study is to investigate the seismic retrofit of steel framed structures using a numerical ... In order to consider the temperature effects on the damper hysteretic behaviour, the model for VE damper
To demonstrate the cost effectiveness of LCC design of steel box girder bridges, the LCC optimum design ... minimization of the expected total LCC that consists of initial cost, maintenance cost and expected retrofit
for seismic retrofitting of reinforced concrete (RC) columns is experimentally evaluated. ... In the current study, the effectiveness of the shape memory alloy (SMA)-based active confinement technique ... Based on the results of quasi-static lateral cyclic loading tests, all confinement schemes could effectively
Effective peak ground accelerations are evaluated from the calculated response spectra and compared with ... Seismic design and retrofit implications of M5.8 Gyeongju earthquake are summarized for further research