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        Accounting for Torsional Response in Direct Displacement-based Design of Plan-asymmetric Reinforced Concrete Frame Buildings

        Beka Hailu Abebe,이종세 대한토목학회 2019 KSCE JOURNAL OF CIVIL ENGINEERING Vol.23 No.3

        The torsional response of Reinforced Concrete (RC) frame buildings within the Direct Displacement-Based Design (DDBD) framework is considered by using semi-empirical equations developed for wall-type asymmetric structures. These equations when applied to RC frame buildings result in the underestimation of engineering demand parameters such as drifts. To alleviate this problem, it is proposed that first-mode effective masses of the frames are connected with rigid bar, constraining the system so that the critical frames’ design displacements are not exceeded and displacement compatibility for all frames is maintained. The proposed method of seismic design is verified by a Nonlinear Time History Analysis (NTHA) of two six-story plan-asymmetric RC frame buildings, the only difference in the buildings being that one is applied with equal mass and the other variable mass along the height. Eleven ground motions are selected and scaled to match a design response spectrum of a given seismic hazard level at the building site. The proposed design procedure produces reasonable response outputs when verified by NTHA of the case studies. Thus, it is astep toward minimizing the use of NTHA for plan-asymmetric frame buildings, thereby saving computational resources and effort.

      • USING IMPRESSION DESIGN AS A BRAND EXPERIENCE PROVIDER

        Rudin Beka,Enila Cenko 글로벌지식마케팅경영학회 2015 Global Fashion Management Conference Vol.2015 No.06

        The purpose of this research is to develop an understanding on the effect that impression design has on brand experience. The authors analyze the relationship between design and brand experience by constructing a model using pleasant emotions as mediators. This paper focuses on theoretical and practical work in the field of design and marketing, approaching a design perspective within the brand experience process. Brand experience has received little attention within the design literature and this paper is the first that brings the two perspectives together.

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